/*
      Human library
      homepage: <https://github.com/vladmandic/human>
      author: <https://github.com/vladmandic>'
    */
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r=++this.pendingBackendInitId,s=n.then(a=>r<this.pendingBackendInitId?!1:(this.registry[e]=a,this.pendingBackendInit=null,!0)).catch(a=>(r<this.pendingBackendInitId||(this.pendingBackendInit=null,console.warn(`Initialization of backend ${e} failed`),console.warn(a.stack||a.message)),!1));return this.pendingBackendInit=s,{success:s,asyncInit:!0}}else return this.registry[e]=n,{success:!0,asyncInit:!1}}catch(n){return console.warn(`Initialization of backend ${e} failed`),console.warn(n.stack||n.message),{success:!1,asyncInit:!1}}}removeBackend(e){if(!(e in this.registryFactory))throw new Error(`${e} backend not found in registry`);this.backendName===e&&this.pendingBackendInit!=null&&this.pendingBackendInitId++,e in this.registry&&(this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e]),delete this.registryFactory[e],this.backendName===e&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null)}getSortedBackends(){if(Object.keys(this.registryFactory).length===0)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort((e,t)=>this.registryFactory[t].priority-this.registryFactory[e].priority)}initializeBackendsAndReturnBest(){let e=this.getSortedBackends();for(let t=0;t<e.length;t++){let n=e[t],{success:r,asyncInit:s}=this.initializeBackend(n);if(s||r)return{name:n,asyncInit:s}}throw new Error("Could not initialize any backends, all backend initializations failed.")}moveData(e,t){let n=this.state.tensorInfo.get(t),r=n.backend,s=this.readSync(t),a=r.refCount(t);r.disposeData(t,!0),n.backend=e,e.move(t,s,n.shape,n.dtype,a),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++}tidy(e,t){let n=null;if(t==null){if(typeof e!="function")throw new Error("Please provide a function to tidy()");t=e}else{if(typeof e!="string"&&!(e instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if(typeof t!="function")throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");n=e}let r;return this.scopedRun(()=>this.startScope(n),()=>this.endScope(r),()=>(r=t(),r instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),r))}scopedRun(e,t,n){e();try{let r=n();return t(),r}catch(r){throw t(),r}}nextTensorId(){return w2.nextTensorId++}nextVariableId(){return w2.nextVariableId++}clone(e){let t=U.runKernel(a2,{x:e}),n={x:e},r=a=>({x:()=>{let o="float32",i={x:a},l={dtype:o};return U.runKernel(s2,i,l)}}),s=[];return this.addTapeNode(this.state.activeScope.name,n,[t],r,s,{}),t}runKernel(e,t,n){if(this.backendName==null&&this.backend,!(np(e,this.backendName)!=null))throw new Error(`Kernel '${e}' not registered for backend '${this.backendName}'`);return this.runKernelFunc({kernelName:e,inputs:t,attrs:n})}shouldCheckForMemLeaks(){return this.ENV.getBool("IS_TEST")}checkKernelForMemLeak(e,t,n){let r=this.backend.numDataIds(),s=0;n.forEach(i=>{s+=i.dtype==="complex64"?3:1});let a=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],o=r-t-s-a;if(o>0)throw new Error(`Backend '${this.backendName}' has an internal memory leak (${o} data ids) after running '${e}'`)}runKernelFunc(e){let t,n=[],r=this.isTapeOn(),s=this.state.numBytes,a=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);let o;this.backendName==null&&this.backend;let i,l=v2(e)?e.kernelName:this.state.activeScope!=null?this.state.activeScope.name:"";if(v2(e)){let{kernelName:p,inputs:f,attrs:m}=e;this.backendName==null&&this.backend;let g=np(p,this.backendName);L(g!=null,()=>`Cannot find registered kernel '${p}' for backend '${this.backendName}'`),o=()=>{let y=this.backend.numDataIds();i=g.kernelFunc({inputs:f,attrs:m,backend:this.backend});let A=Array.isArray(i)?i:[i];this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(p,y,A);let x=A.map(b=>{if(b.rank!=null)return b;let{dataId:v,shape:I,dtype:w}=b;return this.makeTensorFromDataId(v,I,w)});if(r){let b=this.getTensorsForGradient(p,f,x);n=this.saveTensorsForBackwardMode(b)}return x}}else{let{forwardFunc:p}=e,f=m=>{!r||(n=m.map(g=>this.keep(this.clone(g))))};o=()=>{let m=this.backend.numDataIds();i=this.tidy(()=>p(this.backend,f));let g=Array.isArray(i)?i:[i];return this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(l,m,g),g}}let{inputs:u,attrs:c}=e,d=v2(e)?null:e.backwardsFunc,h;return this.scopedRun(()=>this.state.kernelDepth++,()=>this.state.kernelDepth--,()=>{!this.ENV.getBool("DEBUG")&&!this.state.profiling?t=o():(h=this.profiler.profileKernel(l,u,()=>o()),this.ENV.getBool("DEBUG")&&this.profiler.logKernelProfile(h),t=h.outputs)}),r&&this.addTapeNode(l,u,t,d,n,c),this.state.profiling&&this.state.activeProfile.kernels.push({name:l,bytesAdded:this.state.numBytes-s,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-a,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(u).map(p=>u[p]!=null?u[p].shape:null),outputShapes:t.map(p=>p.shape),kernelTimeMs:h.timeMs,extraInfo:h.extraInfo}),Array.isArray(i)?t:t[0]}saveTensorsForBackwardMode(e){return e.map(n=>this.keep(this.clone(n)))}getTensorsForGradient(e,t,n){let r=d2(e);if(r!=null){let s=r.inputsToSave||[],a=r.outputsToSave||[],o;r.saveAllInputs?(L(Array.isArray(t),()=>"saveAllInputs is true, expected inputs to be an array."),o=Object.keys(t).map(l=>t[l])):o=s.map(l=>t[l]);let i=n.filter((l,u)=>a[u]);return o.concat(i)}return[]}makeTensor(e,t,n,r){if(e==null)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",r=r||this.backend;let s=e;n==="string"&&Sa(e[0])&&(s=e.map(i=>Ju(i)));let a=r.write(s,t,n),o=new It(t,n,a,this.nextTensorId());if(this.trackTensor(o,r),n==="string"){let i=this.state.tensorInfo.get(a),l=O3(s);this.state.numBytes+=l-i.bytes,i.bytes=l}return o}makeTensorFromDataId(e,t,n,r){n=n||"float32";let s=new It(t,n,e,this.nextTensorId());return this.trackTensor(s,r),s}makeVariable(e,t=!0,n,r){n=n||this.nextVariableId().toString(),r!=null&&r!==e.dtype&&(e=e.cast(r));let s=new nc(e,t,n,this.nextTensorId());if(this.state.registeredVariables[s.name]!=null)throw new Error(`Variable with name ${s.name} was already registered`);return this.state.registeredVariables[s.name]=s,this.incRef(s,this.backend),s}trackTensor(e,t){this.state.numTensors++,e.dtype==="string"&&this.state.numStringTensors++;let n=0;e.dtype!=="complex64"&&e.dtype!=="string"&&(n=e.size*Yg(e.dtype)),this.state.numBytes+=n,this.state.tensorInfo.has(e.dataId)||(this.state.numDataBuffers++,this.state.tensorInfo.set(e.dataId,{backend:t||this.backend,dtype:e.dtype,shape:e.shape,bytes:n})),e instanceof nc||this.track(e)}incRef(e,t){this.trackTensor(e,t),this.backend.incRef(e.dataId)}removeDataId(e,t){this.state.tensorInfo.has(e)&&this.state.tensorInfo.get(e).backend===t&&(this.state.tensorInfo.delete(e),this.state.numDataBuffers--)}disposeTensor(e){if(!this.state.tensorInfo.has(e.dataId))return;let t=this.state.tensorInfo.get(e.dataId);if(this.state.numTensors--,e.dtype==="string"&&(this.state.numStringTensors--,this.state.numBytes-=t.bytes),e.dtype!=="complex64"&&e.dtype!=="string"){let n=e.size*Yg(e.dtype);this.state.numBytes-=n}t.backend.disposeData(e.dataId)&&this.removeDataId(e.dataId,t.backend)}disposeVariables(){for(let e in this.state.registeredVariables){let t=this.state.registeredVariables[e];this.disposeVariable(t)}}disposeVariable(e){this.disposeTensor(e),this.state.registeredVariables[e.name]!=null&&delete this.state.registeredVariables[e.name]}memory(){let e=this.backend.memory();return e.numTensors=this.state.numTensors,e.numDataBuffers=this.state.numDataBuffers,e.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(e.unreliable=!0,e.reasons==null&&(e.reasons=[]),e.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),e}async profile(e){this.state.profiling=!0;let t=this.state.numBytes,n=this.state.numTensors;this.state.activeProfile.kernels=[],this.state.activeProfile.result=await e(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max(...this.state.activeProfile.kernels.map(r=>r.totalBytesSnapshot)),this.state.activeProfile.newBytes=this.state.numBytes-t,this.state.activeProfile.newTensors=this.state.numTensors-n;for(let r of this.state.activeProfile.kernels)r.kernelTimeMs=await r.kernelTimeMs,r.extraInfo=await r.extraInfo;return this.state.activeProfile}isTapeOn(){return this.state.gradientDepth>0&&this.state.kernelDepth===0}addTapeNode(e,t,n,r,s,a){let o={id:this.state.nextTapeNodeId++,kernelName:e,inputs:t,outputs:n,saved:s},i=d2(e);i!=null&&(r=i.gradFunc),r!=null&&(o.gradient=l=>(l=l.map((u,c)=>{if(u==null){let d=n[c],h=tp(d.size,d.dtype);return this.makeTensor(h,d.shape,d.dtype)}return u}),r(l.length>1?l:l[0],s,a))),this.state.activeTape.push(o)}keep(e){return e.kept=!0,e}startTape(){this.state.gradientDepth===0&&(this.state.activeTape=[]),this.state.gradientDepth++}endTape(){this.state.gradientDepth--}startScope(e){let t={track:[],name:"unnamed scope",id:this.state.nextScopeId++};e&&(t.name=e),this.state.scopeStack.push(t),this.state.activeScope=t}endScope(e){let t=b2(e),n=new Set(t.map(s=>s.id));for(let s=0;s<this.state.activeScope.track.length;s++){let a=this.state.activeScope.track[s];!a.kept&&!n.has(a.id)&&a.dispose()}let r=this.state.scopeStack.pop();this.state.activeScope=this.state.scopeStack.length===0?null:this.state.scopeStack[this.state.scopeStack.length-1],t.forEach(s=>{!s.kept&&s.scopeId===r.id&&this.track(s)})}gradients(e,t,n,r=!1){if(L(t.length>0,()=>"gradients() received an empty list of xs."),n!=null&&n.dtype!=="float32")throw new Error(`dy must have 'float32' dtype, but has '${n.dtype}'`);let s=this.scopedRun(()=>this.startTape(),()=>this.endTape(),()=>this.tidy("forward",e));L(s instanceof It,()=>"The result y returned by f() must be a tensor.");let a=TD(this.state.activeTape,t,s);if(!r&&a.length===0&&t.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",()=>{let o={};o[s.id]=n==null?LD(s.shape):n,ND(o,a,l=>this.tidy(l),BD);let i=t.map(l=>o[l.id]);return this.state.gradientDepth===0&&(this.state.activeTape.forEach(l=>{for(let u of l.saved)u.dispose()}),this.state.activeTape=null),{value:s,grads:i}})}customGrad(e){return L(Ta(e),()=>"The f passed in customGrad(f) must be a function."),(...t)=>{L(t.every(o=>o instanceof It),()=>"The args passed in customGrad(f)(x1, x2,...) must all be tensors");let n,r={};t.forEach((o,i)=>{r[i]=o});let s=(o,i)=>(n=e(...t,i),L(n.value instanceof It,()=>"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"),L(Ta(n.gradFunc),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."),n.value),a=(o,i)=>{let l=n.gradFunc(o,i),u=Array.isArray(l)?l:[l];L(u.length===t.length,()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...)."),L(u.every(d=>d instanceof It),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors.");let c={};return u.forEach((d,h)=>{c[h]=()=>d}),c};return this.runKernelFunc({forwardFunc:s,backwardsFunc:a,inputs:r})}}readSync(e){return this.state.tensorInfo.get(e).backend.readSync(e)}read(e){return this.state.tensorInfo.get(e).backend.read(e)}async time(e){let t=Yu(),n=await this.backend.time(e);return n.wallMs=Yu()-t,n}track(e){return this.state.activeScope!=null&&(e.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(e)),e}get registeredVariables(){return this.state.registeredVariables}reset(){this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new F7;for(let e in this.registry)this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e];this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null}},k2=w2;k2.nextTensorId=0;k2.nextVariableId=0;function LD(e){let t=Jg(Yt(e),"float32");return U.makeTensor(t,e,"float32")}function M7(){let e=V3();if(e._tfengine==null){let t=new W3(e);e._tfengine=new k2(t)}return K_(e._tfengine.ENV),RD(()=>e._tfengine),e._tfengine}var U=M7();function BD(e,t){let n={a:e,b:t};return U.runKernel(r2,n)}var O7={};_e(O7,{isBrowser:()=>P7,isMobile:()=>VD});function WD(){return typeof navigator!="undefined"&&navigator!=null}function VD(e){if(e||WD()){if(e||(e=navigator),e.product==="ReactNative")return!0;let t=e.userAgent||e.vendor||window.opera;return/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(t)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(t.substr(0,4))}return!1}function P7(){return typeof window!="undefined"&&window.document!=null||typeof WorkerGlobalScope!="undefined"}var ts=ct();ts.registerFlag("DEBUG",()=>!1,e=>{e&&console.warn("Debugging mode is ON. 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o=P(e,"x","batchNorm"),i=P(t,"mean","batchNorm"),l=P(n,"variance","batchNorm"),u;s!=null&&(u=P(s,"scale","batchNorm"));let c;return r!=null&&(c=P(r,"offset","batchNorm")),L(o.rank===4,()=>`Error in batchNorm4D: x must be rank 4 but got rank ${o.rank}.`),L(i.rank===4||i.rank===1,()=>`Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank ${i.rank}.`),L(l.rank===4||l.rank===1,()=>`Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank ${l.rank}.`),u!=null&&L(u.rank===4||u.rank===1,()=>`Error in batchNorm4D: scale must be rank 4 or rank 1 but got rank ${u.rank}.`),c!=null&&L(c.rank===4||c.rank===1,()=>`Error in batchNorm4D: offset must be rank 4 or rank 1 but got rank ${c.rank}.`),yp(o,i,l,c,u,a)}var vO=H({batchNorm4d_:bO});function wO(e,t,n){let r=P(e,"x","bincount"),s=P(t,"weights","bincount");L(r.dtype==="int32",()=>`Error in bincount: input dtype must be int32, but got ${r.dtype}`),L(n>=0,()=>`size must be non-negative, but got 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SO=H({ceil_:IO});function TO(e,t,n){let r=P(e,"x","clipByValue");L(t<=n,()=>`Error in clip: min (${t}) must be less than or equal to max (${n}).`);let s={x:r},a={clipValueMin:t,clipValueMax:n};return U.runKernel(lv,s,a)}var NO=H({clipByValue_:TO});function CO(e){return rn(e,0)}var EO=H({concat1d_:CO});function $O(e,t){return rn(e,t)}var ic=H({concat2d_:$O});function RO(e,t){return rn(e,t)}var _O=H({concat3d_:RO});function DO(e,t){return rn(e,t)}var FO=H({concat4d_:DO});function MO(e,t,n,r,s="NHWC",a=[1,1],o){let i=P(e,"x","conv2d"),l=P(t,"filter","conv2d"),u=i,c=!1;i.rank===3&&(c=!0,u=le(i,[1,i.shape[0],i.shape[1],i.shape[2]])),L(u.rank===4,()=>`Error in conv2d: input must be rank 4, but got rank ${u.rank}.`),L(l.rank===4,()=>`Error in conv2d: filter must be rank 4, but got rank ${l.rank}.`),o!=null&&L(Kn(r),()=>`Error in conv2d: pad must be an integer when using, dimRoundingMode ${o} but got pad ${r}.`);let d=s==="NHWC"?u.shape[3]:u.shape[1];L(d===l.shape[2],()=>`Error in conv2d: 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a=P(e,"multiClassLabels","sigmoidCrossEntropy"),o=P(t,"logits","sigmoidCrossEntropy"),i=null;if(n!=null&&(i=P(n,"weights","sigmoidCrossEntropy")),Mn(a.shape,o.shape,"Error in sigmoidCrossEntropy: "),r>0){let u=ut(r),c=ut(1),d=ut(.5);a=Me(pe(a,Ue(c,u)),pe(d,u))}let l=lV(a,o);return aa(l,i,s)}var cV=H({sigmoidCrossEntropy_:uV});function dV(e,t,n=-1){if(n===-1&&(n=t.rank-1),n!==t.rank-1)throw Error(`Softmax cross entropy along a non-last dimension is not yet supported. 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Da{constructor(e,t,n=null){super();this.learningRate=e,this.rho=t,this.epsilon=n,this.accumulatedGrads=[],this.accumulatedUpdates=[],n==null&&(this.epsilon=U.backend.epsilon())}applyGradients(e){(Array.isArray(e)?e.map(n=>n.name):Object.keys(e)).forEach((n,r)=>{let s=U.registeredVariables[n],a=!1;this.accumulatedGrads[r]==null&&(this.accumulatedGrads[r]={originalName:`${n}/accum_grad`,variable:Ve(()=>Tr(s).variable(a))}),this.accumulatedUpdates[r]==null&&(this.accumulatedUpdates[r]={originalName:`${n}/accum_var`,variable:Ve(()=>Tr(s).variable(a))});let o=Array.isArray(e)?e[r].tensor:e[n];if(o==null)return;let i=this.accumulatedGrads[r].variable,l=this.accumulatedUpdates[r].variable;Ve(()=>{let u=Me(pe(i,this.rho),pe(rs(o),1-this.rho)),c=pe(Je(ra(Me(l,this.epsilon)),ra(Me(i,this.epsilon))),o),d=Me(pe(l,this.rho),pe(rs(c),1-this.rho));i.assign(u),l.assign(d);let 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Error("getWeights() is not implemented for Adamax yet.")}async setWeights(e){throw new Error("setWeights() is not implemented for Adamax yet.")}getConfig(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon,decay:this.decay}}static fromConfig(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon,t.decay)}};Op.className="Adamax";$a(Op);var fc=class extends Da{constructor(e){super();this.learningRate=e,this.setLearningRate(e)}applyGradients(e){(Array.isArray(e)?e.map(n=>n.name):Object.keys(e)).forEach((n,r)=>{let s=Array.isArray(e)?e[r].tensor:e[n];if(s==null)return;let a=U.registeredVariables[n];Ve(()=>{let o=Me(pe(this.c,s),a);a.assign(o)})}),this.incrementIterations()}setLearningRate(e){this.learningRate=e,this.c!=null&&this.c.dispose(),this.c=Nk(ut(-e))}dispose(){this.c.dispose()}async getWeights(){return[await this.saveIterations()]}async setWeights(e){if(e=await this.extractIterations(e),e.length!==0)throw new Error("SGD optimizer does 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r=++this.pendingBackendInitId,s=n.then(a=>r<this.pendingBackendInitId?!1:(this.registry[e]=a,this.pendingBackendInit=null,!0)).catch(a=>(r<this.pendingBackendInitId||(this.pendingBackendInit=null,console.warn(`Initialization of backend ${e} failed`),console.warn(a.stack||a.message)),!1));return this.pendingBackendInit=s,{success:s,asyncInit:!0}}else return this.registry[e]=n,{success:!0,asyncInit:!1}}catch(n){return console.warn(`Initialization of backend ${e} failed`),console.warn(n.stack||n.message),{success:!1,asyncInit:!1}}}removeBackend(e){if(!(e in this.registryFactory))throw new Error(`${e} backend not found in registry`);this.backendName===e&&this.pendingBackendInit!=null&&this.pendingBackendInitId++,e in this.registry&&(this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e]),delete this.registryFactory[e],this.backendName===e&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null)}getSortedBackends(){if(Object.keys(this.registryFactory).length===0)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort((e,t)=>this.registryFactory[t].priority-this.registryFactory[e].priority)}initializeBackendsAndReturnBest(){let e=this.getSortedBackends();for(let t=0;t<e.length;t++){let n=e[t],{success:r,asyncInit:s}=this.initializeBackend(n);if(s||r)return{name:n,asyncInit:s}}throw new Error("Could not initialize any backends, all backend initializations failed.")}moveData(e,t){let n=this.state.tensorInfo.get(t),r=n.backend,s=this.readSync(t),a=r.refCount(t);r.disposeData(t,!0),n.backend=e,e.move(t,s,n.shape,n.dtype,a),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++}tidy(e,t){let n=null;if(t==null){if(typeof e!="function")throw new Error("Please provide a function 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this.runKernelFunc({kernelName:e,inputs:t,attrs:n})}shouldCheckForMemLeaks(){return this.ENV.getBool("IS_TEST")}checkKernelForMemLeak(e,t,n){let r=this.backend.numDataIds(),s=0;n.forEach(i=>{s+=i.dtype==="complex64"?3:1});let a=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],o=r-t-s-a;if(o>0)throw new Error(`Backend '${this.backendName}' has an internal memory leak (${o} data ids) after running '${e}'`)}runKernelFunc(e){let t,n=[],r=this.isTapeOn(),s=this.state.numBytes,a=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);let o;this.backendName==null&&this.backend;let i,l=hy(e)?e.kernelName:this.state.activeScope!=null?this.state.activeScope.name:"";if(hy(e)){let{kernelName:p,inputs:f,attrs:m}=e;this.backendName==null&&this.backend;let g=ny(p,this.backendName);z(g!=null,()=>`Cannot find registered kernel '${p}' for backend '${this.backendName}'`),o=()=>{let 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this.scopedRun(()=>this.state.kernelDepth++,()=>this.state.kernelDepth--,()=>{!this.ENV.getBool("DEBUG")&&!this.state.profiling?t=o():(h=this.profiler.profileKernel(l,u,()=>o()),this.ENV.getBool("DEBUG")&&this.profiler.logKernelProfile(h),t=h.outputs)}),r&&this.addTapeNode(l,u,t,d,n,c),this.state.profiling&&this.state.activeProfile.kernels.push({name:l,bytesAdded:this.state.numBytes-s,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-a,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(u).map(p=>u[p]!=null?u[p].shape:null),outputShapes:t.map(p=>p.shape),kernelTimeMs:h.timeMs,extraInfo:h.extraInfo}),Array.isArray(i)?t:t[0]}saveTensorsForBackwardMode(e){return e.map(n=>this.keep(this.clone(n)))}getTensorsForGradient(e,t,n){let r=z4(e);if(r!=null){let s=r.inputsToSave||[],a=r.outputsToSave||[],o;r.saveAllInputs?(z(Array.isArray(t),()=>"saveAllInputs is true, expected inputs to be an array."),o=Object.keys(t).map(l=>t[l])):o=s.map(l=>t[l]);let 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n=0;e.dtype!=="complex64"&&e.dtype!=="string"&&(n=e.size*h1(e.dtype)),this.state.numBytes+=n,this.state.tensorInfo.has(e.dataId)||(this.state.numDataBuffers++,this.state.tensorInfo.set(e.dataId,{backend:t||this.backend,dtype:e.dtype,shape:e.shape,bytes:n})),e instanceof ff||this.track(e)}incRef(e,t){this.trackTensor(e,t),this.backend.incRef(e.dataId)}removeDataId(e,t){this.state.tensorInfo.has(e)&&this.state.tensorInfo.get(e).backend===t&&(this.state.tensorInfo.delete(e),this.state.numDataBuffers--)}disposeTensor(e){if(!this.state.tensorInfo.has(e.dataId))return;let t=this.state.tensorInfo.get(e.dataId);if(this.state.numTensors--,e.dtype==="string"&&(this.state.numStringTensors--,this.state.numBytes-=t.bytes),e.dtype!=="complex64"&&e.dtype!=="string"){let n=e.size*h1(e.dtype);this.state.numBytes-=n}t.backend.disposeData(e.dataId)&&this.removeDataId(e.dataId,t.backend)}disposeVariables(){for(let e in this.state.registeredVariables){let t=this.state.registeredVariables[e];this.disposeVariable(t)}}disposeVariable(e){this.disposeTensor(e),this.state.registeredVariables[e.name]!=null&&delete this.state.registeredVariables[e.name]}memory(){let e=this.backend.memory();return e.numTensors=this.state.numTensors,e.numDataBuffers=this.state.numDataBuffers,e.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(e.unreliable=!0,e.reasons==null&&(e.reasons=[]),e.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),e}async profile(e){this.state.profiling=!0;let t=this.state.numBytes,n=this.state.numTensors;this.state.activeProfile.kernels=[],this.state.activeProfile.result=await e(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max(...this.state.activeProfile.kernels.map(r=>r.totalBytesSnapshot)),this.state.activeProfile.newBytes=this.state.numBytes-t,this.state.activeProfile.newTensors=this.state.numTensors-n;for(let r of 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a=this.state.activeScope.track[s];!a.kept&&!n.has(a.id)&&a.dispose()}let r=this.state.scopeStack.pop();this.state.activeScope=this.state.scopeStack.length===0?null:this.state.scopeStack[this.state.scopeStack.length-1],t.forEach(s=>{!s.kept&&s.scopeId===r.id&&this.track(s)})}gradients(e,t,n,r=!1){if(z(t.length>0,()=>"gradients() received an empty list of xs."),n!=null&&n.dtype!=="float32")throw new Error(`dy must have 'float32' dtype, but has '${n.dtype}'`);let s=this.scopedRun(()=>this.startTape(),()=>this.endTape(),()=>this.tidy("forward",e));z(s instanceof Ot,()=>"The result y returned by f() must be a tensor.");let a=iH(this.state.activeTape,t,s);if(!r&&a.length===0&&t.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. 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a={skipEmpty:n},o={input:r,delimiter:s},i=G.runKernel(Y1,o,a);return{indices:i[0],values:i[1],shape:i[2]}}var kY=V({stringSplit_:wY});function IY(e,t){let n=O(e,"input","stringToHashBucketFast","string"),r={numBuckets:t};if(t<=0)throw new Error("Number of buckets must be at least 1");let s={input:n};return G.runKernel(J1,s,r)}var SY=V({stringToHashBucketFast_:IY}),is={flipLeftRight:xZ,resizeNearestNeighbor:UZ,resizeBilinear:WZ,rotateWithOffset:vZ,cropAndResize:yZ,nonMaxSuppression:kZ,nonMaxSuppressionAsync:RZ,nonMaxSuppressionWithScore:DZ,nonMaxSuppressionWithScoreAsync:MZ,nonMaxSuppressionPadded:PZ,nonMaxSuppressionPaddedAsync:LZ,threshold:jZ,transform:KZ},TY={bandPart:ZZ,gramSchmidt:JZ,qr:eY},Mf={sparseFillEmptyRows:pY,sparseReshape:mY,sparseSegmentMean:yY,sparseSegmentSum:xY},nA={stringNGrams:vY,stringSplit:kY,stringToHashBucketFast:SY},Ha=class extends F6{minimize(e,t=!1,n){let{value:r,grads:s}=this.computeGradients(e,n);if(n!=null){let 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Error("getWeights() is not implemented for Adamax yet.")}async setWeights(e){throw new Error("setWeights() is not implemented for Adamax yet.")}getConfig(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon,decay:this.decay}}static fromConfig(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon,t.decay)}};oA.className="Adamax";La(oA);var Of=class extends Ha{constructor(e){super();this.learningRate=e,this.setLearningRate(e)}applyGradients(e){(Array.isArray(e)?e.map(n=>n.name):Object.keys(e)).forEach((n,r)=>{let s=Array.isArray(e)?e[r].tensor:e[n];if(s==null)return;let a=G.registeredVariables[n];Y(()=>{let o=de(j(this.c,s),a);a.assign(o)})}),this.incrementIterations()}setLearningRate(e){this.learningRate=e,this.c!=null&&this.c.dispose(),this.c=In(De(-e))}dispose(){this.c.dispose()}async getWeights(){return[await this.saveIterations()]}async setWeights(e){if(e=await this.extractIterations(e),e.length!==0)throw new Error("SGD optimizer does 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this.inboundLayers)t!=null?e.push(t.name):e.push(null);return{outboundLayer:this.outboundLayer?this.outboundLayer.name:null,inboundLayers:e,nodeIndices:this.nodeIndices,tensorIndices:this.tensorIndices}}},ste=0,tt=class extends ue.Serializable{constructor(e={}){super();this._callHook=null,this._addedWeightNames=[],this._stateful=!1,this.id=ste++,this.activityRegularizer=null,this.inputSpec=null,this.supportsMasking=!1,this._trainableWeights=[],this._nonTrainableWeights=[],this._losses=[],this._updates=[],this._built=!1,this.inboundNodes=[],this.outboundNodes=[];let t=e.name;if(!t){let n=this.getClassName();t=pa(n)+"_"+Xf(n)}if(this.name=t,this.trainable_=e.trainable==null?!0:e.trainable,e.inputShape!=null||e.batchInputShape!=null){let n;if(e.batchInputShape!=null)n=e.batchInputShape;else if(e.inputShape!=null){let s=null;e.batchSize!=null&&(s=e.batchSize),n=[s].concat(e.inputShape)}this.batchInputShape=n;let r=e.dtype;r==null&&(r=e.inputDType),r==null&&(r="float32"),this.dtype=r}e.weights!=null?this.initialWeights=e.weights:this.initialWeights=null,this._refCount=null,this.fastWeightInitDuringBuild=!1}static nodeKey(e,t){return e.name+"_ib-"+t.toString()}getNodeAtIndex(e,t){if(this.inboundNodes.length===0)throw new us(`The layer has never been called and thus has no defined ${t}.`);if(this.inboundNodes.length<=e)throw new K(`Asked to get ${t} at node ${e}, but the layer has only ${this.inboundNodes.length} inbound nodes.`);return this.inboundNodes[e]}getInputAt(e){return Jn(this.getNodeAtIndex(e,"input").inputTensors)}getOutputAt(e){return Jn(this.getNodeAtIndex(e,"output").outputTensors)}get input(){if(this.inboundNodes.length>1)throw new ha(`Layer ${this.name} has multiple inbound nodes, hence the notion of "layer input" is ill-defined. 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e={theta:this.theta},t=super.getConfig();return Object.assign(e,t),e}};rx.className="ThresholdedReLU";ue.registerClass(rx);var sx=class extends tt{constructor(e){super(e==null?{}:e);this.DEFAULT_AXIS=1,e==null&&(e={}),this.softmax=new ZA().apply,this.axis=e.axis==null?this.DEFAULT_AXIS:e.axis}call(e,t){let n=qe(e);return this.softmax(n,this.axis)}computeOutputShape(e){return e}getConfig(){let e={axis:this.axis},t=super.getConfig();return Object.assign(e,t),e}};sx.className="Softmax";ue.registerClass(sx);function su(e,t,n){if(typeof e=="number")return ni(e,t);if(e.length!==t)throw new K(`The ${n} argument must be an integer or tuple of ${t} integers. 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Received: ${JSON.stringify(e)} including a non-integer number ${s}`)}return e}function fs(e,t,n,r,s=1){if(e==null)return e;let a=t+(t-1)*(s-1),o;return n==="same"?o=e:o=e-a+1,Math.floor((o+r-1)/r)}function zs(e,t,n,r){if(e==null)return null;if(r==="valid")e=e*t+qa([n-t,0]);else if(r==="same")e=e*t;else throw new K(`Unsupport padding mode: ${r}.`);return e}function ax(e,t){return Y(()=>(Zt(t),t==="channelsFirst"?st(e,[0,2,3,1]):e))}function e8(e,t){return Y(()=>(Zt(t),t==="channelsFirst"?st(e,[0,2,3,4,1]):e))}function une(e,t,n,r=1,s="valid",a,o=1){return Y(()=>{if(a==null&&(a=ls()),Zt(a),e.shape.length!==3)throw new K(`The input of a conv1dWithBias operation should be 3, but is ${e.shape.length} instead.`);if(t.shape.length!==3)throw new K(`The kernel for a conv1dWithBias operation should be 3, but is ${t.shape.length} instead`);if(n!=null&&n.shape.length!==1)throw new K(`The bias for a conv1dWithBias operation should be 1, but is ${t.shape.length} instead`);if(a==="channelsFirst"&&(e=st(e,[0,2,1])),s==="causal")throw new He("The support for CAUSAL padding mode in conv1dWithBias is not implemented yet.");let i=U6(e,t,r,s==="same"?"same":"valid","NWC",o);return n!=null&&(i=ds(i,n)),i})}function t8(e,t,n,r=[1,1],s="valid",a,o,i=null){return Y(()=>{if(a==null&&(a=ls()),Zt(a),e.rank!==3&&e.rank!==4)throw new K(`conv2dWithBiasActivation expects input to be of rank 3 or 4, but received ${e.rank}.`);if(t.rank!==3&&t.rank!==4)throw new K(`conv2dWithBiasActivation expects kernel to be of rank 3 or 4, but received ${e.rank}.`);let l=ax(e,a);if(s==="causal")throw new He("The support for CAUSAL padding mode in conv1dWithBias is not implemented yet.");return l=ei.conv2d({x:l,filter:t,strides:r,pad:s==="same"?"same":"valid",dilations:o,dataFormat:"NHWC",bias:n,activation:i}),a==="channelsFirst"&&(l=st(l,[0,3,1,2])),l})}function cne(e,t,n,r=[1,1,1],s="valid",a,o){return Y(()=>{if(a==null&&(a=ls()),Zt(a),e.rank!==4&&e.rank!==5)throw new K(`conv3dWithBias expects input to be of rank 4 or 5, but received ${e.rank}.`);if(t.rank!==4&&t.rank!==5)throw new K(`conv3dWithBias expects kernel to be of rank 4 or 5, but received ${e.rank}.`);let i=e8(e,a);if(s==="causal")throw new He("The support for CAUSAL padding mode in conv3dWithBias is not implemented yet.");return i=G6(i,t,r,s==="same"?"same":"valid","NDHWC",o),n!=null&&(i=ds(i,n)),a==="channelsFirst"&&(i=st(i,[0,4,1,2,3])),i})}var ox=class extends tt{constructor(e,t){super(t);if(this.bias=null,this.DEFAULT_KERNEL_INITIALIZER="glorotNormal",this.DEFAULT_BIAS_INITIALIZER="zeros",ox.verifyArgs(t),this.rank=e,yn(this.rank,"rank"),this.rank!==1&&this.rank!==2&&this.rank!==3)throw new He(`Convolution layer for rank other than 1, 2, or 3 (${this.rank}) is not implemented yet.`);if(this.kernelSize=su(t.kernelSize,e,"kernelSize"),this.strides=su(t.strides==null?1:t.strides,e,"strides"),this.padding=t.padding==null?"valid":t.padding,_r(this.padding),this.dataFormat=t.dataFormat==null?"channelsLast":t.dataFormat,Zt(this.dataFormat),this.activation=Za(t.activation),this.useBias=t.useBias==null?!0:t.useBias,this.biasInitializer=Pt(t.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.biasConstraint=dn(t.biasConstraint),this.biasRegularizer=zt(t.biasRegularizer),this.activityRegularizer=zt(t.activityRegularizer),this.dilationRate=su(t.dilationRate==null?1:t.dilationRate,e,"dilationRate"),this.rank===1&&Array.isArray(this.dilationRate)&&this.dilationRate.length!==1)throw new K(`dilationRate must be a number or an array of a single number for 1D convolution, but received ${JSON.stringify(this.dilationRate)}`);if(this.rank===2){if(typeof this.dilationRate=="number")this.dilationRate=[this.dilationRate,this.dilationRate];else if(this.dilationRate.length!==2)throw new K(`dilationRate must be a number or array of two numbers for 2D convolution, but received ${JSON.stringify(this.dilationRate)}`)}else if(this.rank===3){if(typeof this.dilationRate=="number")this.dilationRate=[this.dilationRate,this.dilationRate,this.dilationRate];else if(this.dilationRate.length!==3)throw new K(`dilationRate must be a number or array of three numbers for 3D convolution, but received ${JSON.stringify(this.dilationRate)}`)}}static verifyArgs(e){if(Fs("kernelSize"in e,"required key 'kernelSize' not in config"),typeof e.kernelSize!="number"&&!mA(e.kernelSize,"number",1,3))throw new K(`BaseConv expects config.kernelSize to be number or number[] with length 1, 2, or 3, but received ${JSON.stringify(e.kernelSize)}.`)}getConfig(){let e={kernelSize:this.kernelSize,strides:this.strides,padding:this.padding,dataFormat:this.dataFormat,dilationRate:this.dilationRate,activation:Xa(this.activation),useBias:this.useBias,biasInitializer:Ut(this.biasInitializer),biasRegularizer:vt(this.biasRegularizer),activityRegularizer:vt(this.activityRegularizer),biasConstraint:cn(this.biasConstraint)},t=super.getConfig();return Object.assign(e,t),e}},Ud=class extends ox{constructor(e,t){super(e,t);this.kernel=null,Ud.verifyArgs(t),this.filters=t.filters,yn(this.filters,"filters"),this.kernelInitializer=Pt(t.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.kernelConstraint=dn(t.kernelConstraint),this.kernelRegularizer=zt(t.kernelRegularizer)}build(e){e=yt(e);let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null)throw new K(`The channel dimension of the input should be defined. Found ${e[t]}`);let n=e[t],r=this.kernelSize.concat([n,this.filters]);this.kernel=this.addWeight("kernel",r,null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[{ndim:this.rank+2,axes:{[t]:n}}],this.built=!0}call(e,t){return Y(()=>{e=qe(e);let n,r=this.bias==null?null:this.bias.read(),s=HI(this.activation.getClassName());if(s!=null&&this.rank===2)n=t8(e,this.kernel.read(),r,this.strides,this.padding,this.dataFormat,this.dilationRate,s);else{if(this.rank===1)n=une(e,this.kernel.read(),r,this.strides[0],this.padding,this.dataFormat,this.dilationRate[0]);else if(this.rank===2)n=t8(e,this.kernel.read(),r,this.strides,this.padding,this.dataFormat,this.dilationRate);else if(this.rank===3)n=cne(e,this.kernel.read(),r,this.strides,this.padding,this.dataFormat,this.dilationRate);else throw new He("convolutions greater than 3D are not implemented yet.");this.activation!=null&&(n=this.activation.apply(n))}return n})}computeOutputShape(e){e=yt(e);let t=[],n=this.dataFormat==="channelsLast"?e.slice(1,e.length-1):e.slice(2);for(let s=0;s<n.length;++s){let a=fs(n[s],this.kernelSize[s],this.padding,this.strides[s],typeof this.dilationRate=="number"?this.dilationRate:this.dilationRate[s]);t.push(a)}let r=[e[0]];return this.dataFormat==="channelsLast"?(r=r.concat(t),r.push(this.filters)):(r.push(this.filters),r=r.concat(t)),r}getConfig(){let e={filters:this.filters,kernelInitializer:Ut(this.kernelInitializer),kernelRegularizer:vt(this.kernelRegularizer),kernelConstraint:cn(this.kernelConstraint)},t=super.getConfig();return Object.assign(e,t),e}static verifyArgs(e){if(!("filters"in e)||typeof e.filters!="number"||e.filters<1)throw new K(`Convolution layer expected config.filters to be a 'number' > 0 but got ${JSON.stringify(e.filters)}`)}},n8=class extends Ud{constructor(e){super(2,e);n8.verifyArgs(e)}getConfig(){let e=super.getConfig();return delete e.rank,e}static verifyArgs(e){if(typeof e.kernelSize!="number"&&!mA(e.kernelSize,"number",1,2))throw new K(`Conv2D expects config.kernelSize to be number or number[] with length 1 or 2, but received ${JSON.stringify(e.kernelSize)}.`)}},lm=n8;lm.className="Conv2D";ue.registerClass(lm);var r8=class extends Ud{constructor(e){super(3,e);r8.verifyArgs(e)}getConfig(){let e=super.getConfig();return delete e.rank,e}static verifyArgs(e){if(typeof e.kernelSize!="number"&&!(Array.isArray(e.kernelSize)&&(e.kernelSize.length===1||e.kernelSize.length===3)))throw new K(`Conv3D expects config.kernelSize to be number or [number, number, number], but received ${JSON.stringify(e.kernelSize)}.`)}},um=r8;um.className="Conv3D";ue.registerClass(um);var ix=class extends lm{constructor(e){super(e);if(this.inputSpec=[new Qt({ndim:4})],this.padding!=="same"&&this.padding!=="valid")throw new K(`Conv2DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode ${this.padding}`)}build(e){if(e=yt(e),e.length!==4)throw new K("Input should have rank 4; Received input shape: "+JSON.stringify(e));let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null)throw new K("The channel dimension of the inputs should be defined. Found `None`.");let n=e[t],r=this.kernelSize.concat([this.filters,n]);this.kernel=this.addWeight("kernel",r,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new Qt({ndim:4,axes:{[t]:n}})],this.built=!0}call(e,t){return Y(()=>{let n=qe(e);if(n.shape.length!==4)throw new K(`Conv2DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-${n.shape.length}`);let r=n.shape,s=r[0],a,o;this.dataFormat==="channelsFirst"?(a=2,o=3):(a=1,o=2);let i=r[a],l=r[o],u=this.kernelSize[0],c=this.kernelSize[1],d=this.strides[0],h=this.strides[1],p=zs(i,d,u,this.padding),f=zs(l,h,c,this.padding),m=[s,p,f,this.filters];this.dataFormat!=="channelsLast"&&(n=st(n,[0,2,3,1]));let g=H6(n,this.kernel.read(),m,this.strides,this.padding);return this.dataFormat!=="channelsLast"&&(g=st(g,[0,3,1,2])),this.bias!=null&&(g=ds(g,this.bias.read(),this.dataFormat)),this.activation!=null&&(g=this.activation.apply(g)),g})}computeOutputShape(e){e=yt(e);let t=e.slice(),n,r,s;this.dataFormat==="channelsFirst"?(n=1,r=2,s=3):(n=3,r=1,s=2);let a=this.kernelSize[0],o=this.kernelSize[1],i=this.strides[0],l=this.strides[1];return t[n]=this.filters,t[r]=zs(t[r],i,a,this.padding),t[s]=zs(t[s],l,o,this.padding),t}getConfig(){let e=super.getConfig();return delete e.dilationRate,e}};ix.className="Conv2DTranspose";ue.registerClass(ix);var lx=class extends um{constructor(e){super(e);if(this.inputSpec=[new Qt({ndim:5})],this.padding!=="same"&&this.padding!=="valid")throw new K(`Conv3DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode ${this.padding}`)}build(e){if(e=yt(e),e.length!==5)throw new K("Input should have rank 5; Received input shape: "+JSON.stringify(e));let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null)throw new K("The channel dimension of the inputs should be defined. Found `None`.");let n=e[t],r=this.kernelSize.concat([this.filters,n]);this.kernel=this.addWeight("kernel",r,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new Qt({ndim:5,axes:{[t]:n}})],this.built=!0}call(e,t){return Y(()=>{let n=qe(e);if(n.shape.length!==5)throw new K(`Conv3DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-${n.shape.length}`);let r=n.shape,s=r[0],a,o,i;this.dataFormat==="channelsFirst"?(i=2,a=3,o=4):(i=1,a=2,o=3);let l=r[i],u=r[a],c=r[o],d=this.kernelSize[0],h=this.kernelSize[1],p=this.kernelSize[2],f=this.strides[0],m=this.strides[1],g=this.strides[2],y=zs(l,f,d,this.padding),A=zs(u,m,h,this.padding),x=zs(c,g,p,this.padding),b=[s,y,A,x,this.filters];this.dataFormat!=="channelsLast"&&(n=st(n,[0,2,3,4,1]));let v=Jj(n,this.kernel.read(),b,this.strides,this.padding);return this.dataFormat!=="channelsLast"&&(v=st(v,[0,4,1,2,3])),this.bias!==null&&(v=ds(v,this.bias.read(),this.dataFormat)),this.activation!==null&&(v=this.activation.apply(v)),v})}computeOutputShape(e){e=yt(e);let t=e.slice(),n,r,s,a;this.dataFormat==="channelsFirst"?(n=1,r=2,s=3,a=4):(n=4,r=1,s=2,a=3);let o=this.kernelSize[0],i=this.kernelSize[1],l=this.kernelSize[2],u=this.strides[0],c=this.strides[1],d=this.strides[2];return t[n]=this.filters,t[r]=zs(t[r],u,o,this.padding),t[s]=zs(t[s],c,i,this.padding),t[a]=zs(t[a],d,l,this.padding),t}getConfig(){let e=super.getConfig();return delete e.dilationRate,e}};lx.className="Conv3DTranspose";ue.registerClass(lx);var s8=class extends Ud{constructor(e,t){super(e,t);if(this.DEFAULT_DEPTHWISE_INITIALIZER="glorotUniform",this.DEFAULT_POINTWISE_INITIALIZER="glorotUniform",this.depthwiseKernel=null,this.pointwiseKernel=null,t.filters==null)throw new K("The `filters` configuration field is required by SeparableConv, but is unspecified.");if(t.kernelInitializer!=null||t.kernelRegularizer!=null||t.kernelConstraint!=null)throw new K("Fields kernelInitializer, kernelRegularizer and kernelConstraint are invalid for SeparableConv2D. Use depthwiseInitializer, depthwiseRegularizer, depthwiseConstraint, pointwiseInitializer, pointwiseRegularizer and pointwiseConstraint instead.");if(t.padding!=null&&t.padding!=="same"&&t.padding!=="valid")throw new K(`SeparableConv${this.rank}D supports only padding modes: 'same' and 'valid', but received ${JSON.stringify(t.padding)}`);this.depthMultiplier=t.depthMultiplier==null?1:t.depthMultiplier,this.depthwiseInitializer=Pt(t.depthwiseInitializer||this.DEFAULT_DEPTHWISE_INITIALIZER),this.depthwiseRegularizer=zt(t.depthwiseRegularizer),this.depthwiseConstraint=dn(t.depthwiseConstraint),this.pointwiseInitializer=Pt(t.depthwiseInitializer||this.DEFAULT_POINTWISE_INITIALIZER),this.pointwiseRegularizer=zt(t.pointwiseRegularizer),this.pointwiseConstraint=dn(t.pointwiseConstraint)}build(e){if(e=yt(e),e.length<this.rank+2)throw new K(`Inputs to SeparableConv${this.rank}D should have rank ${this.rank+2}, but received input shape: ${JSON.stringify(e)}`);let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null||e[t]<0)throw new K(`The channel dimension of the inputs should be defined, but found ${JSON.stringify(e[t])}`);let n=e[t],r=this.kernelSize.concat([n,this.depthMultiplier]),s=[];for(let o=0;o<this.rank;++o)s.push(1);s.push(n*this.depthMultiplier,this.filters);let a=!0;this.depthwiseKernel=this.addWeight("depthwise_kernel",r,"float32",this.depthwiseInitializer,this.depthwiseRegularizer,a,this.depthwiseConstraint),this.pointwiseKernel=this.addWeight("pointwise_kernel",s,"float32",this.pointwiseInitializer,this.pointwiseRegularizer,a,this.pointwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,a,this.biasConstraint):this.bias=null,this.inputSpec=[new Qt({ndim:this.rank+2,axes:{[t]:n}})],this.built=!0}call(e,t){return Y(()=>{e=qe(e);let n;if(this.rank===1)throw new He("1D separable convolution is not implemented yet.");return this.rank===2&&(this.dataFormat==="channelsFirst"&&(e=st(e,[0,2,3,1])),n=oX(e,this.depthwiseKernel.read(),this.pointwiseKernel.read(),this.strides,this.padding,this.dilationRate,"NHWC")),this.useBias&&(n=ds(n,this.bias.read(),this.dataFormat)),this.activation!=null&&(n=this.activation.apply(n)),this.dataFormat==="channelsFirst"&&(n=st(n,[0,3,1,2])),n})}getConfig(){let e=super.getConfig();return delete e.rank,delete e.kernelInitializer,delete e.kernelRegularizer,delete e.kernelConstraint,e.depthwiseInitializer=Ut(this.depthwiseInitializer),e.pointwiseInitializer=Ut(this.pointwiseInitializer),e.depthwiseRegularizer=vt(this.depthwiseRegularizer),e.pointwiseRegularizer=vt(this.pointwiseRegularizer),e.depthwiseConstraint=cn(this.depthwiseConstraint),e.pointwiseConstraint=cn(this.pointwiseConstraint),e}};s8.className="SeparableConv";var ux=class extends s8{constructor(e){super(2,e)}};ux.className="SeparableConv2D";ue.registerClass(ux);var a8=class extends Ud{constructor(e){super(1,e);a8.verifyArgs(e),this.inputSpec=[{ndim:3}]}getConfig(){let e=super.getConfig();return delete e.rank,delete e.dataFormat,e}static verifyArgs(e){if(typeof e.kernelSize!="number"&&!mA(e.kernelSize,"number",1,1))throw new K(`Conv1D expects config.kernelSize to be number or number[] with length 1, but received ${JSON.stringify(e.kernelSize)}.`)}},cx=a8;cx.className="Conv1D";ue.registerClass(cx);var dx=class extends tt{constructor(e){super(e);typeof e.cropping=="number"?this.cropping=[[e.cropping,e.cropping],[e.cropping,e.cropping]]:typeof e.cropping[0]=="number"?this.cropping=[[e.cropping[0],e.cropping[0]],[e.cropping[1],e.cropping[1]]]:this.cropping=e.cropping,this.dataFormat=e.dataFormat===void 0?"channelsLast":e.dataFormat,this.inputSpec=[{ndim:4}]}computeOutputShape(e){return this.dataFormat==="channelsFirst"?[e[0],e[1],e[2]-this.cropping[0][0]-this.cropping[0][1],e[3]-this.cropping[1][0]-this.cropping[1][1]]:[e[0],e[1]-this.cropping[0][0]-this.cropping[0][1],e[2]-this.cropping[1][0]-this.cropping[1][1],e[3]]}call(e,t){return Y(()=>{if(e=qe(e),this.dataFormat==="channelsLast"){let n=Lf(e,this.cropping[0][0],e.shape[1]-this.cropping[0][0]-this.cropping[0][1],2);return Lf(n,this.cropping[1][0],e.shape[2]-this.cropping[1][1]-this.cropping[1][0],3)}else{let n=Lf(e,this.cropping[0][0],e.shape[2]-this.cropping[0][0]-this.cropping[0][1],3);return Lf(n,this.cropping[1][0],e.shape[3]-this.cropping[1][1]-this.cropping[1][0],4)}})}getConfig(){let e={cropping:this.cropping,dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}};dx.className="Cropping2D";ue.registerClass(dx);var hx=class extends tt{constructor(e){super(e);this.DEFAULT_SIZE=[2,2],this.inputSpec=[{ndim:4}],this.size=e.size==null?this.DEFAULT_SIZE:e.size,this.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,Zt(this.dataFormat),this.interpolation=e.interpolation==null?"nearest":e.interpolation,See(this.interpolation)}computeOutputShape(e){if(this.dataFormat==="channelsFirst"){let t=e[2]==null?null:this.size[0]*e[2],n=e[3]==null?null:this.size[1]*e[3];return[e[0],e[1],t,n]}else{let t=e[1]==null?null:this.size[0]*e[1],n=e[2]==null?null:this.size[1]*e[2];return[e[0],t,n,e[3]]}}call(e,t){return Y(()=>{let n=qe(e),r=n.shape;if(this.dataFormat==="channelsFirst"){n=st(n,[0,2,3,1]);let s=this.size[0]*r[2],a=this.size[1]*r[3],o=this.interpolation==="nearest"?is.resizeNearestNeighbor(n,[s,a]):is.resizeBilinear(n,[s,a]);return st(o,[0,3,1,2])}else{let s=this.size[0]*r[1],a=this.size[1]*r[2];return this.interpolation==="nearest"?is.resizeNearestNeighbor(n,[s,a]):is.resizeBilinear(n,[s,a])}})}getConfig(){let e={size:this.size,dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}};hx.className="UpSampling2D";ue.registerClass(hx);function dne(e,t,n=[1,1],r="valid",s,a){return Y(()=>{s==null&&(s=ls()),Zt(s);let o=ax(e,s);if(e.rank!==4)throw new K(`Input for depthwiseConv2d is required to be 4-D, but is instead ${e.rank}-D`);if(t.rank!==4)throw new K(`depthwiseKernel is required to be 4-D, but is instead ${t.rank}-D`);return o=kf(o,t,n,r==="same"?"same":"valid","NHWC",a),s==="channelsFirst"&&(o=st(o,[0,3,1,2])),o})}var px=class extends ox{constructor(e){super(2,e);this.depthwiseKernel=null,this.depthMultiplier=e.depthMultiplier==null?1:e.depthMultiplier,this.depthwiseInitializer=Pt(e.depthwiseInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.depthwiseConstraint=dn(e.depthwiseConstraint),this.depthwiseRegularizer=zt(e.depthwiseRegularizer)}build(e){if(e=yt(e),e.length<4)throw new K(`Inputs to DepthwiseConv2D should have rank 4. Received input shape: ${JSON.stringify(e)}.`);let t=this.dataFormat==="channelsFirst"?1:3;if(e[t]==null||e[t]<0)throw new K(`The channel dimension of the inputs to DepthwiseConv2D should be defined, but is not (${e[t]}).`);let n=e[t],r=[this.kernelSize[0],this.kernelSize[1],n,this.depthMultiplier];this.depthwiseKernel=this.addWeight("depthwise_kernel",r,null,this.depthwiseInitializer,this.depthwiseRegularizer,!0,this.depthwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[n*this.depthMultiplier],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0}call(e,t){return Y(()=>{e=qe(e);let n=dne(e,this.depthwiseKernel.read(),this.strides,this.padding,this.dataFormat,null);return this.useBias&&(n=ds(n,this.bias.read(),this.dataFormat)),this.activation!=null&&(n=this.activation.apply(n)),n})}computeOutputShape(e){e=yt(e);let t=this.dataFormat==="channelsFirst"?e[2]:e[1],n=this.dataFormat==="channelsFirst"?e[3]:e[2],r=this.dataFormat==="channelsFirst"?e[1]*this.depthMultiplier:e[3]*this.depthMultiplier,s=fs(t,this.kernelSize[0],this.padding,this.strides[0]),a=fs(n,this.kernelSize[1],this.padding,this.strides[1]);return this.dataFormat==="channelsFirst"?[e[0],r,s,a]:[e[0],s,a,r]}getConfig(){let e=super.getConfig();return e.depthMultiplier=this.depthMultiplier,e.depthwiseInitializer=Ut(this.depthwiseInitializer),e.depthwiseRegularizer=vt(this.depthwiseRegularizer),e.depthwiseConstraint=cn(this.depthwiseRegularizer),e}};px.className="DepthwiseConv2D";ue.registerClass(px);function o8(e,t,n,r){if(Array.isArray(e)){if(t!=null||n!=null)throw new K("When inputs is an array, neither initialState or constants should be provided");r!=null&&(n=e.slice(e.length-r,e.length),e=e.slice(0,e.length-r)),e.length>1&&(t=e.slice(1,e.length)),e=e[0]}function s(a){return a==null||Array.isArray(a)?a:[a]}return t=s(t),n=s(n),{inputs:e,initialState:t,constants:n}}function i8(e,t,n,r=!1,s,a,o=!1,i=!1){return Y(()=>{let l=t.shape.length;if(l<3)throw new K(`Input should be at least 3D, but is ${l}D.`);let u=[1,0].concat(cs(2,l));if(t=st(t,u),a!=null)throw new He("The rnn() functoin of the deeplearn.js backend does not support constants yet.");o&&console.warn("Backend rnn(): the unroll = true option is not applicable to the imperative deeplearn.js backend."),s!=null&&(s=xe(xe(s,"bool"),"float32"),s.rank===l-1&&(s=Er(s,-1)),s=st(s,u)),r&&(t=Kr(t,0),s!=null&&(s=Kr(s,0)));let c=[],d,h=n,p=t.shape[0],f=Ds(t),m;s!=null&&(m=Ds(s));for(let y=0;y<p;++y){let A=f[y],x=Y(()=>e(A,h));if(s==null)d=x[0],h=x[1];else{let b=Y(()=>{let v=m[y],I=ke(qr(v),v),w=de(j(x[0],v),j(h[0],I)),S=h.map((E,D)=>de(j(x[1][D],v),j(E,I)));return{output:w,newStates:S}});d=b.output,h=b.newStates}i&&c.push(d)}let g;return i&&(g=Xr(c,1)),[d,g,h]})}var l8=class extends tt{constructor(e){super(e);let t;if(e.cell==null)throw new K("cell property is missing for the constructor of RNN.");if(Array.isArray(e.cell)?t=new hm({cells:e.cell}):t=e.cell,t.stateSize==null)throw new K("The RNN cell should have an attribute `stateSize` (tuple of integers, one integer per RNN state).");this.cell=t,this.returnSequences=e.returnSequences==null?!1:e.returnSequences,this.returnState=e.returnState==null?!1:e.returnState,this.goBackwards=e.goBackwards==null?!1:e.goBackwards,this._stateful=e.stateful==null?!1:e.stateful,this.unroll=e.unroll==null?!1:e.unroll,this.supportsMasking=!0,this.inputSpec=[new Qt({ndim:3})],this.stateSpec=null,this.states_=null,this.numConstants=null,this.keptStates=[]}getStates(){if(this.states_==null){let e=Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1;return cs(0,e).map(t=>null)}else return this.states_}setStates(e){this.states_=e}computeOutputShape(e){_A(e)&&(e=e[0]),e=e;let t=this.cell.stateSize;Array.isArray(t)||(t=[t]);let n=t[0],r;if(this.returnSequences?r=[e[0],e[1],n]:r=[e[0],n],this.returnState){let s=[];for(let a of t)s.push([e[0],a]);return[r].concat(s)}else return r}computeMask(e,t){return Y(()=>{Array.isArray(t)&&(t=t[0]);let n=this.returnSequences?t:null;if(this.returnState){let r=this.states.map(s=>null);return[n].concat(r)}else return n})}get states(){if(this.states_==null){let e=Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1,t=[];for(let n=0;n<e;++n)t.push(null);return t}else return this.states_}set states(e){this.states_=e}build(e){let t=null;if(this.numConstants!=null)throw new He("Constants support is not implemented in RNN yet.");_A(e)&&(e=e[0]),e=e;let n=this.stateful?e[0]:null,r=e.slice(2);this.inputSpec[0]=new Qt({shape:[n,null,...r]});let s=[e[0]].concat(e.slice(2));if(t!=null)throw new He("Constants support is not implemented in RNN yet.");this.cell.build(s);let a;if(Array.isArray(this.cell.stateSize)?a=this.cell.stateSize:a=[this.cell.stateSize],this.stateSpec!=null){if(!k.arraysEqual(this.stateSpec.map(o=>o.shape[o.shape.length-1]),a))throw new K(`An initialState was passed that is not compatible with cell.stateSize. Received stateSpec=${this.stateSpec}; However cell.stateSize is ${this.cell.stateSize}`)}else this.stateSpec=a.map(o=>new Qt({shape:[null,o]}));this.stateful&&this.resetStates()}resetStates(e,t=!1){Y(()=>{if(!this.stateful)throw new ha("Cannot call resetStates() on an RNN Layer that is not stateful.");let n=this.inputSpec[0].shape[0];if(n==null)throw new K("If an RNN is stateful, it needs to know its batch size. Specify the batch size of your input tensors: \n- If using a Sequential model, specify the batch size by passing a `batchInputShape` option to your first layer.\n- If using the functional API, specify the batch size by passing a `batchShape` option to your Input layer.");if(this.states_==null)Array.isArray(this.cell.stateSize)?this.states_=this.cell.stateSize.map(r=>ln([n,r])):this.states_=[ln([n,this.cell.stateSize])];else if(e==null)Ge(this.states_),this.keptStates!=null&&(Ge(this.keptStates),this.keptStates=[]),Array.isArray(this.cell.stateSize)?this.states_=this.cell.stateSize.map(r=>ln([n,r])):this.states_[0]=ln([n,this.cell.stateSize]);else{if(Array.isArray(e)||(e=[e]),e.length!==this.states_.length)throw new K(`Layer ${this.name} expects ${this.states_.length} state(s), but it received ${e.length} state value(s). Input received: ${e}`);t===!0?this.keptStates.push(this.states_.slice()):Ge(this.states_);for(let r=0;r<this.states_.length;++r){let s=e[r],a=Array.isArray(this.cell.stateSize)?this.cell.stateSize[r]:this.cell.stateSize,o=[n,a];if(!k.arraysEqual(s.shape,o))throw new K(`State ${r} is incompatible with layer ${this.name}: expected shape=${o}, received shape=${s.shape}`);this.states_[r]=s}}this.states_=this.states_.map(r=>In(r.clone()))})}apply(e,t){let n=t==null?null:t.initialState,r=t==null?null:t.constants;t==null&&(t={});let s=o8(e,n,r,this.numConstants);e=s.inputs,n=s.initialState,r=s.constants;let a=[],o=[];if(n!=null){t.initialState=n,a=a.concat(n),this.stateSpec=[];for(let l of n)this.stateSpec.push(new Qt({shape:l.shape}));o=o.concat(this.stateSpec)}if(r!=null&&(t.constants=r,a=a.concat(r),this.numConstants=r.length),a[0]instanceof hs){let l=[e].concat(a),u=this.inputSpec.concat(o),c=this.inputSpec;this.inputSpec=u;let d=super.apply(l,t);return this.inputSpec=c,d}else return super.apply(e,t)}call(e,t){return Y(()=>{let n=t==null?null:t.mask,r=t==null?null:t.training,s=t==null?null:t.initialState;e=qe(e),s==null&&(this.stateful?s=this.states_:s=this.getInitialState(e));let a=Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1;if(s.length!==a)throw new K(`RNN Layer has ${a} state(s) but was passed ${s.length} initial state(s).`);this.unroll&&console.warn("Ignoring unroll = true for RNN layer, due to imperative backend.");let o={training:r},l=i8((p,f)=>{let m=this.cell.call([p].concat(f),o);return[m[0],m.slice(1)]},e,s,this.goBackwards,n,null,this.unroll,this.returnSequences),u=l[0],c=l[1],d=l[2];this.stateful&&this.resetStates(d,r);let h=this.returnSequences?c:u;return this.returnState?[h].concat(d):h})}getInitialState(e){return Y(()=>{let t=ln(e.shape);return t=Te(t,[1,2]),t=Md(t),Array.isArray(this.cell.stateSize)?this.cell.stateSize.map(n=>n>1?kA(t,[1,n]):t):this.cell.stateSize>1?[kA(t,[1,this.cell.stateSize])]:[t]})}get trainableWeights(){return this.trainable?this.cell.trainableWeights:[]}get nonTrainableWeights(){return this.trainable?this.cell.nonTrainableWeights:this.cell.weights}setFastWeightInitDuringBuild(e){super.setFastWeightInitDuringBuild(e),this.cell!=null&&this.cell.setFastWeightInitDuringBuild(e)}getConfig(){let e=super.getConfig(),t={returnSequences:this.returnSequences,returnState:this.returnState,goBackwards:this.goBackwards,stateful:this.stateful,unroll:this.unroll};this.numConstants!=null&&(t.numConstants=this.numConstants);let n=this.cell.getConfig();return this.getClassName()===l8.className&&(t.cell={className:this.cell.getClassName(),config:n}),{...n,...e,...t}}static fromConfig(e,t,n={}){let r=t.cell,s=ps(r,n);return new e(Object.assign(t,{cell:s}))}},ma=l8;ma.className="RNN";ue.registerClass(ma);var Hd=class extends tt{},cm=class extends Hd{constructor(e){super(e);this.DEFAULT_ACTIVATION="tanh",this.DEFAULT_KERNEL_INITIALIZER="glorotNormal",this.DEFAULT_RECURRENT_INITIALIZER="orthogonal",this.DEFAULT_BIAS_INITIALIZER="zeros",this.units=e.units,yn(this.units,"units"),this.activation=Za(e.activation==null?this.DEFAULT_ACTIVATION:e.activation),this.useBias=e.useBias==null?!0:e.useBias,this.kernelInitializer=Pt(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.recurrentInitializer=Pt(e.recurrentInitializer||this.DEFAULT_RECURRENT_INITIALIZER),this.biasInitializer=Pt(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.kernelRegularizer=zt(e.kernelRegularizer),this.recurrentRegularizer=zt(e.recurrentRegularizer),this.biasRegularizer=zt(e.biasRegularizer),this.kernelConstraint=dn(e.kernelConstraint),this.recurrentConstraint=dn(e.recurrentConstraint),this.biasConstraint=dn(e.biasConstraint),this.dropout=eu([1,qa([0,e.dropout==null?0:e.dropout])]),this.recurrentDropout=eu([1,qa([0,e.recurrentDropout==null?0:e.recurrentDropout])]),this.stateSize=this.units,this.dropoutMask=null,this.recurrentDropoutMask=null}build(e){e=yt(e),this.kernel=this.addWeight("kernel",[e[e.length-1],this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias?this.bias=this.addWeight("bias",[this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0}call(e,t){return Y(()=>{if(e=e,e.length!==2)throw new K(`SimpleRNNCell expects 2 input Tensors, got ${e.length}.`);let n=e[1];e=e[0];let r=t.training==null?!1:t.training;0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=Ya({ones:()=>qr(e),rate:this.dropout,training:r})),0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=Ya({ones:()=>qr(n),rate:this.recurrentDropout,training:r}));let s,a=this.dropoutMask,o=this.recurrentDropoutMask;a!=null?s=Ms(j(e,a),this.kernel.read()):s=Ms(e,this.kernel.read()),this.bias!=null&&(s=ds(s,this.bias.read())),o!=null&&(n=j(n,o));let i=de(s,Ms(n,this.recurrentKernel.read()));return this.activation!=null&&(i=this.activation.apply(i)),[i,i]})}getConfig(){let e=super.getConfig(),t={units:this.units,activation:Xa(this.activation),useBias:this.useBias,kernelInitializer:Ut(this.kernelInitializer),recurrentInitializer:Ut(this.recurrentInitializer),biasInitializer:Ut(this.biasInitializer),kernelRegularizer:vt(this.kernelRegularizer),recurrentRegularizer:vt(this.recurrentRegularizer),biasRegularizer:vt(this.biasRegularizer),activityRegularizer:vt(this.activityRegularizer),kernelConstraint:cn(this.kernelConstraint),recurrentConstraint:cn(this.recurrentConstraint),biasConstraint:cn(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout};return{...e,...t}}};cm.className="SimpleRNNCell";ue.registerClass(cm);var fx=class extends ma{constructor(e){e.cell=new cm(e),super(e)}call(e,t){return Y(()=>{this.cell.dropoutMask!=null&&(Ge(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ge(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null);let n=t==null?null:t.mask,r=t==null?null:t.training,s=t==null?null:t.initialState;return super.call(e,{mask:n,training:r,initialState:s})})}static fromConfig(e,t){return new e(t)}};fx.className="SimpleRNN";ue.registerClass(fx);var dm=class extends Hd{constructor(e){super(e);if(this.DEFAULT_ACTIVATION="tanh",this.DEFAULT_RECURRENT_ACTIVATION="hardSigmoid",this.DEFAULT_KERNEL_INITIALIZER="glorotNormal",this.DEFAULT_RECURRENT_INITIALIZER="orthogonal",this.DEFAULT_BIAS_INITIALIZER="zeros",e.resetAfter)throw new K("GRUCell does not support reset_after parameter set to true.");this.units=e.units,yn(this.units,"units"),this.activation=Za(e.activation===void 0?this.DEFAULT_ACTIVATION:e.activation),this.recurrentActivation=Za(e.recurrentActivation===void 0?this.DEFAULT_RECURRENT_ACTIVATION:e.recurrentActivation),this.useBias=e.useBias==null?!0:e.useBias,this.kernelInitializer=Pt(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.recurrentInitializer=Pt(e.recurrentInitializer||this.DEFAULT_RECURRENT_INITIALIZER),this.biasInitializer=Pt(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.kernelRegularizer=zt(e.kernelRegularizer),this.recurrentRegularizer=zt(e.recurrentRegularizer),this.biasRegularizer=zt(e.biasRegularizer),this.kernelConstraint=dn(e.kernelConstraint),this.recurrentConstraint=dn(e.recurrentConstraint),this.biasConstraint=dn(e.biasConstraint),this.dropout=eu([1,qa([0,e.dropout==null?0:e.dropout])]),this.recurrentDropout=eu([1,qa([0,e.recurrentDropout==null?0:e.recurrentDropout])]),this.implementation=e.implementation,this.stateSize=this.units,this.dropoutMask=null,this.recurrentDropoutMask=null}build(e){e=yt(e);let t=e[e.length-1];this.kernel=this.addWeight("kernel",[t,this.units*3],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,this.units*3],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias?this.bias=this.addWeight("bias",[this.units*3],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0}call(e,t){return Y(()=>{if(e=e,e.length!==2)throw new K(`GRUCell expects 2 input Tensors (inputs, h, c), got ${e.length}.`);let n=t.training==null?!1:t.training,r=e[1];e=e[0],0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=Ya({ones:()=>qr(e),rate:this.dropout,training:n,count:3})),0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=Ya({ones:()=>qr(r),rate:this.recurrentDropout,training:n,count:3}));let s=this.dropoutMask,a=this.recurrentDropoutMask,o,i,l;0<this.dropout&&this.dropout<1&&(e=j(e,s[0]));let u=Ms(e,this.kernel.read());this.useBias&&(u=ds(u,this.bias.read())),0<this.recurrentDropout&&this.recurrentDropout<1&&(r=j(r,a[0]));let c=this.recurrentKernel.read(),[d,h]=Rr(c,[2*this.units,this.units],c.rank-1),p=Ms(r,d),[f,m,g]=Rr(u,3,u.rank-1),[y,A]=Rr(p,2,p.rank-1);o=this.recurrentActivation.apply(de(f,y)),i=this.recurrentActivation.apply(de(m,A));let x=Ms(j(i,r),h);l=this.activation.apply(de(g,x));let b=de(j(o,r),j(de(1,qt(o)),l));return[b,b]})}getConfig(){let e=super.getConfig(),t={units:this.units,activation:Xa(this.activation),recurrentActivation:Xa(this.recurrentActivation),useBias:this.useBias,kernelInitializer:Ut(this.kernelInitializer),recurrentInitializer:Ut(this.recurrentInitializer),biasInitializer:Ut(this.biasInitializer),kernelRegularizer:vt(this.kernelRegularizer),recurrentRegularizer:vt(this.recurrentRegularizer),biasRegularizer:vt(this.biasRegularizer),activityRegularizer:vt(this.activityRegularizer),kernelConstraint:cn(this.kernelConstraint),recurrentConstraint:cn(this.recurrentConstraint),biasConstraint:cn(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation,resetAfter:!1};return{...e,...t}}};dm.className="GRUCell";ue.registerClass(dm);var mx=class extends ma{constructor(e){e.implementation===0&&console.warn("`implementation=0` has been deprecated, and now defaults to `implementation=1`. Please update your layer call."),e.cell=new dm(e),super(e)}call(e,t){return Y(()=>{this.cell.dropoutMask!=null&&(Ge(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ge(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null);let n=t==null?null:t.mask,r=t==null?null:t.training,s=t==null?null:t.initialState;return super.call(e,{mask:n,training:r,initialState:s})})}static fromConfig(e,t){return t.implmentation===0&&(t.implementation=1),new e(t)}};mx.className="GRU";ue.registerClass(mx);var Gd=class extends Hd{constructor(e){super(e);this.DEFAULT_ACTIVATION="tanh",this.DEFAULT_RECURRENT_ACTIVATION="hardSigmoid",this.DEFAULT_KERNEL_INITIALIZER="glorotNormal",this.DEFAULT_RECURRENT_INITIALIZER="orthogonal",this.DEFAULT_BIAS_INITIALIZER="zeros",this.units=e.units,yn(this.units,"units"),this.activation=Za(e.activation===void 0?this.DEFAULT_ACTIVATION:e.activation),this.recurrentActivation=Za(e.recurrentActivation===void 0?this.DEFAULT_RECURRENT_ACTIVATION:e.recurrentActivation),this.useBias=e.useBias==null?!0:e.useBias,this.kernelInitializer=Pt(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.recurrentInitializer=Pt(e.recurrentInitializer||this.DEFAULT_RECURRENT_INITIALIZER),this.biasInitializer=Pt(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.unitForgetBias=e.unitForgetBias,this.kernelRegularizer=zt(e.kernelRegularizer),this.recurrentRegularizer=zt(e.recurrentRegularizer),this.biasRegularizer=zt(e.biasRegularizer),this.kernelConstraint=dn(e.kernelConstraint),this.recurrentConstraint=dn(e.recurrentConstraint),this.biasConstraint=dn(e.biasConstraint),this.dropout=eu([1,qa([0,e.dropout==null?0:e.dropout])]),this.recurrentDropout=eu([1,qa([0,e.recurrentDropout==null?0:e.recurrentDropout])]),this.implementation=e.implementation,this.stateSize=[this.units,this.units],this.dropoutMask=null,this.recurrentDropoutMask=null}build(e){var t;e=yt(e);let n=e[e.length-1];this.kernel=this.addWeight("kernel",[n,this.units*4],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,this.units*4],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint);let r;if(this.useBias){if(this.unitForgetBias){let s=this.biasInitializer,a=this.units;r=new(t=class extends Yr{apply(o,i){let l=s.apply([a]),u=new Wf().apply([a]),c=s.apply([a*2]);return QI(QI(l,u),c)}},t.className="CustomInit",t)}else r=this.biasInitializer;this.bias=this.addWeight("bias",[this.units*4],null,r,this.biasRegularizer,!0,this.biasConstraint)}else this.bias=null;this.built=!0}call(e,t){return Y(()=>{let n=t.training==null?!1:t.training;if(e=e,e.length!==3)throw new K(`LSTMCell expects 3 input Tensors (inputs, h, c), got ${e.length}.`);let r=e[1],s=e[2];e=e[0],0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=Ya({ones:()=>qr(e),rate:this.dropout,training:n,count:4})),0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=Ya({ones:()=>qr(r),rate:this.recurrentDropout,training:n,count:4}));let a=this.dropoutMask,o=this.recurrentDropoutMask,i,l,u,c;0<this.dropout&&this.dropout<1&&(e=j(e,a[0]));let d=Ms(e,this.kernel.read());0<this.recurrentDropout&&this.recurrentDropout<1&&(r=j(r,o[0])),d=de(d,Ms(r,this.recurrentKernel.read())),this.useBias&&(d=ds(d,this.bias.read()));let[h,p,f,m]=Rr(d,4,d.rank-1);i=this.recurrentActivation.apply(h),l=this.recurrentActivation.apply(p),u=de(j(l,s),j(i,this.activation.apply(f))),c=this.recurrentActivation.apply(m);let g=j(c,this.activation.apply(u));return[g,g,u]})}getConfig(){let e=super.getConfig(),t={units:this.units,activation:Xa(this.activation),recurrentActivation:Xa(this.recurrentActivation),useBias:this.useBias,kernelInitializer:Ut(this.kernelInitializer),recurrentInitializer:Ut(this.recurrentInitializer),biasInitializer:Ut(this.biasInitializer),unitForgetBias:this.unitForgetBias,kernelRegularizer:vt(this.kernelRegularizer),recurrentRegularizer:vt(this.recurrentRegularizer),biasRegularizer:vt(this.biasRegularizer),activityRegularizer:vt(this.activityRegularizer),kernelConstraint:cn(this.kernelConstraint),recurrentConstraint:cn(this.recurrentConstraint),biasConstraint:cn(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation};return{...e,...t}}};Gd.className="LSTMCell";ue.registerClass(Gd);var gx=class extends ma{constructor(e){e.implementation===0&&console.warn("`implementation=0` has been deprecated, and now defaults to `implementation=1`. Please update your layer call."),e.cell=new Gd(e),super(e)}call(e,t){return Y(()=>{this.cell.dropoutMask!=null&&(Ge(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ge(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null);let n=t==null?null:t.mask,r=t==null?null:t.training,s=t==null?null:t.initialState;return super.call(e,{mask:n,training:r,initialState:s})})}static fromConfig(e,t){return t.implmentation===0&&(t.implementation=1),new e(t)}};gx.className="LSTM";ue.registerClass(gx);var hm=class extends Hd{constructor(e){super(e);this.cells=e.cells}get stateSize(){let e=[];for(let t of this.cells.slice().reverse())Array.isArray(t.stateSize)?e.push(...t.stateSize):e.push(t.stateSize);return e}call(e,t){return Y(()=>{e=e;let n=e.slice(1),r=[];for(let o of this.cells.slice().reverse())Array.isArray(o.stateSize)?r.push(n.splice(0,o.stateSize.length)):r.push(n.splice(0,1));r.reverse();let s=[],a;for(let o=0;o<this.cells.length;++o){let i=this.cells[o];n=r[o],o===0?a=[e[0]].concat(n):a=[a[0]].concat(n),a=i.call(a,t),s.push(a.slice(1))}n=[];for(let o of s.slice().reverse())n.push(...o);return[a[0]].concat(n)})}build(e){_A(e)&&(e=e[0]),e=e;let t;this.cells.forEach((n,r)=>{ai(`RNNCell_${r}`,()=>{n.build(e),Array.isArray(n.stateSize)?t=n.stateSize[0]:t=n.stateSize,e=[e[0],t]})}),this.built=!0}getConfig(){let e=super.getConfig(),t=s=>({className:s.getClassName(),config:s.getConfig()}),r={cells:this.cells.map(t)};return{...e,...r}}static fromConfig(e,t,n={}){let r=[];for(let s of t.cells)r.push(ps(s,n));return new e({cells:r})}get trainableWeights(){if(!this.trainable)return[];let e=[];for(let t of this.cells)e.push(...t.trainableWeights);return e}get nonTrainableWeights(){let e=[];for(let t of this.cells)e.push(...t.nonTrainableWeights);if(!this.trainable){let t=[];for(let n of this.cells)t.push(...n.trainableWeights);return t.concat(e)}return e}getWeights(){let e=[];for(let t of this.cells)e.push(...t.weights);return DA(e)}setWeights(e){let t=[];for(let n of this.cells){let r=n.weights.length,s=e.splice(r);for(let a=0;a<n.weights.length;++a)t.push([n.weights[a],s[a]])}FA(t)}};hm.className="StackedRNNCells";ue.registerClass(hm);function Ya(e){let{ones:t,rate:n,training:r=!1,count:s=1}=e,a=()=>tS(t(),n),o=()=>Pd(a,t,r);return!s||s<=1?In(o().clone()):Array(s).fill(void 0).map(o).map(l=>In(l.clone()))}var u8=class extends ma{constructor(e){if(e.unroll)throw new He("Unrolling is not possible with convolutional RNNs.");if(Array.isArray(e.cell))throw new He("It is not possible at the moment to stack convolutional cells.");super(e);this.inputSpec=[new Qt({ndim:5})]}call(e,t){return Y(()=>{if(this.cell.dropoutMask!=null&&(Ge(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ge(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null),t&&t.constants)throw new K("ConvRNN2D cell does not support constants");let n=t==null?null:t.mask,r=t==null?null:t.training,s=t==null?null:t.initialState;return super.call(e,{mask:n,training:r,initialState:s})})}computeOutputShape(e){let t=this.computeSingleOutputShape(e);return this.returnSequences||(t=[t[0],...t.slice(2)]),this.returnState&&(t=[t,...Array(2).fill([e[0],...t.slice(-3)])]),t}getInitialState(e){return Y(()=>{let{stateSize:t}=this.cell,n=e.shape,r=this.computeSingleOutputShape(n),s=[r[0],...r.slice(2)],a=ln(s);return Array.isArray(t)?Array(t.length).fill(a):[a]})}resetStates(e,t=!1){Y(()=>{if(!this.stateful)throw new ha("Cannot call resetStates() on an RNN Layer that is not stateful.");let n=this.inputSpec[0].shape,r=this.computeSingleOutputShape(n),s=[r[0],...r.slice(2)];if(n[0]==null)throw new K("If an RNN is stateful, it needs to know its batch size. Specify the batch size of your input tensors: \n- If using a Sequential model, specify the batch size by passing a `batchInputShape` option to your first layer.\n- If using the functional API, specify the batch size by passing a `batchShape` option to your Input layer.");if(this.getStates()==null)Array.isArray(this.cell.stateSize)?this.states_=this.cell.stateSize.map(()=>ln(s)):this.states_=[ln(s)];else if(e==null)Ge(this.states_),this.keptStates!=null&&(Ge(this.keptStates),this.keptStates=[]),Array.isArray(this.cell.stateSize)?this.states_=this.cell.stateSize.map(()=>ln(s)):this.states_[0]=ln(s);else{if(Array.isArray(e)||(e=[e]),e.length!==this.states_.length)throw new K(`Layer ${this.name} expects ${this.states_.length} state(s), but it received ${e.length} state value(s). Input received: ${e}`);t?this.keptStates.push(this.states_.slice()):Ge(this.states_);for(let o=0;o<this.states_.length;++o){let i=e[o],l=s;if(!k.arraysEqual(i.shape,l))throw new K(`State ${o} is incompatible with layer ${this.name}: expected shape=${l}, received shape=${i.shape}`);this.states_[o]=i}}this.states_=this.states_.map(o=>In(o.clone()))})}computeSingleOutputShape(e){let{dataFormat:t,filters:n,kernelSize:r,padding:s,strides:a,dilationRate:o}=this.cell,i=t==="channelsFirst",l=e[i?3:2],u=e[i?4:3],c=fs(l,r[0],s,a[0],o[0]),d=fs(u,r[1],s,a[1],o[1]);return[...e.slice(0,2),...i?[n,c,d]:[c,d,n]]}};u8.className="ConvRNN2D";var pm=class extends Gd{constructor(e){let{filters:t,kernelSize:n,strides:r,padding:s,dataFormat:a,dilationRate:o}=e;super({...e,units:t});this.filters=t,yn(this.filters,"filters"),this.kernelSize=su(n,2,"kernelSize"),this.kernelSize.forEach(i=>yn(i,"kernelSize")),this.strides=su(r||1,2,"strides"),this.strides.forEach(i=>yn(i,"strides")),this.padding=s||"valid",_r(this.padding),this.dataFormat=a||"channelsLast",Zt(this.dataFormat),this.dilationRate=su(o||1,2,"dilationRate"),this.dilationRate.forEach(i=>yn(i,"dilationRate"))}build(e){var t;e=yt(e);let n=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[n]==null)throw new K(`The channel dimension of the input should be defined. Found ${e[n]}`);let r=e[n],s=4,a=this.kernelSize.concat([r,this.filters*s]);this.kernel=this.addWeight("kernel",a,null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint);let o=this.kernelSize.concat([this.filters,this.filters*s]);if(this.recurrentKernel=this.addWeight("recurrent_kernel",o,null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias){let i;if(this.unitForgetBias){let l=this.biasInitializer,u=this.filters;i=new(t=class extends Yr{apply(c,d){let h=l.apply([u]),p=ua([u]),f=l.apply([u*2]);return wA([h,p,f])}},t.className="CustomInit",t)}else i=this.biasInitializer;this.bias=this.addWeight("bias",[this.filters*s],null,i,this.biasRegularizer,!0,this.biasConstraint)}this.built=!0}call(e,t){return Y(()=>{if(e.length!==3)throw new K(`ConvLSTM2DCell expects 3 input Tensors (inputs, h, c), got ${e.length}.`);let n=t.training||!1,r=e[0],s=e[1],a=e[2],o=4;0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=Ya({ones:()=>qr(r),rate:this.dropout,training:n,count:o}));let i=this.dropoutMask,l=(ee,ae,se)=>!ae||!ae[se]?ee:j(ae[se],ee),u=l(r,i,0),c=l(r,i,1),d=l(r,i,2),h=l(r,i,3);0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=Ya({ones:()=>qr(s),rate:this.recurrentDropout,training:n,count:o}));let p=this.recurrentDropoutMask,f=l(s,p,0),m=l(s,p,1),g=l(s,p,2),y=l(s,p,3),A=3,[x,b,v,I]=Rr(this.kernel.read(),o,A),[w,S,E,D]=this.useBias?Rr(this.bias.read(),o):[null,null,null,null];u=this.inputConv(u,x,w,this.padding),c=this.inputConv(c,b,S,this.padding),d=this.inputConv(d,v,E,this.padding),h=this.inputConv(h,I,D,this.padding);let[$,R,N,M]=Rr(this.recurrentKernel.read(),o,A);f=this.recurrentConv(f,$),m=this.recurrentConv(m,R),g=this.recurrentConv(g,N),y=this.recurrentConv(y,M);let B=this.recurrentActivation.apply(de(u,f)),q=this.recurrentActivation.apply(de(c,m)),X=de(j(q,a),j(B,this.activation.apply(de(d,g)))),J=j(this.recurrentActivation.apply(de(h,y)),this.activation.apply(X));return[J,J,X]})}getConfig(){let{units:e,...t}=super.getConfig(),n={filters:this.filters,kernelSize:this.kernelSize,padding:this.padding,dataFormat:this.dataFormat,dilationRate:this.dilationRate,strides:this.strides};return{...t,...n}}inputConv(e,t,n,r){let s=Xo(e,t,this.strides,r||"valid",this.dataFormat==="channelsFirst"?"NCHW":"NHWC",this.dilationRate);return n?ds(s,n,this.dataFormat):s}recurrentConv(e,t){return Xo(e,t,1,"same",this.dataFormat==="channelsFirst"?"NCHW":"NHWC")}};pm.className="ConvLSTM2DCell";ue.registerClass(pm);var yx=class extends u8{constructor(e){let t=new pm(e);super({...e,cell:t})}static fromConfig(e,t){return new e(t)}};yx.className="ConvLSTM2D";ue.registerClass(yx);var fm=class extends tt{constructor(e){super(e);this.rate=Math.max(Math.min(e.rate,1),0),this.noiseShape=e.noiseShape,this.seed=e.seed,this.supportsMasking=!0}getNoiseShape(e){if(this.noiseShape==null)return this.noiseShape;let t=e.shape,n=[];for(let r=0;r<this.noiseShape.length;++r)n.push(this.noiseShape[r]==null?t[r]:this.noiseShape[r]);return n}call(e,t){return Y(()=>{this.invokeCallHook(e,t);let n=qe(e);if(0<this.rate&&this.rate<1){let r=t.training==null?!1:t.training,s=this.getNoiseShape(n);return Pd(()=>tS(n,this.rate,s,this.seed),()=>n,r)}return e})}getConfig(){let e={rate:this.rate,noiseShape:this.noiseShape,seed:this.seed},t=super.getConfig();return Object.assign(e,t),e}dispose(){return super.dispose()}};fm.className="Dropout";ue.registerClass(fm);var Ax=class extends fm{constructor(e){super(e);this.inputSpec=[{ndim:3}]}getNoiseShape(e){let t=e.shape;return[t[0],1,t[2]]}};Ax.className="SpatialDropout1D";ue.registerClass(Ax);var xx=class extends tt{constructor(e){super(e);if(this.activation=null,this.useBias=!0,this.kernel=null,this.bias=null,this.DEFAULT_KERNEL_INITIALIZER="glorotNormal",this.DEFAULT_BIAS_INITIALIZER="zeros",e.batchInputShape==null&&e.inputShape==null&&e.inputDim!=null){let t=null;e.batchSize!=null&&(t=e.batchSize),this.batchInputShape=[t,e.inputDim]}this.units=e.units,yn(this.units,"units"),this.activation=Za(e.activation),e.useBias!=null&&(this.useBias=e.useBias),this.kernelInitializer=Pt(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.biasInitializer=Pt(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.kernelConstraint=dn(e.kernelConstraint),this.biasConstraint=dn(e.biasConstraint),this.kernelRegularizer=zt(e.kernelRegularizer),this.biasRegularizer=zt(e.biasRegularizer),this.activityRegularizer=zt(e.activityRegularizer),this.supportsMasking=!0,this.inputSpec=[{minNDim:2}]}build(e){e=yt(e);let t=e[e.length-1];this.kernel==null&&(this.kernel=this.addWeight("kernel",[t,this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint))),this.inputSpec=[{minNDim:2,axes:{[-1]:t}}],this.built=!0}computeOutputShape(e){e=yt(e);let t=e.slice();return t[t.length-1]=this.units,t}call(e,t){return Y(()=>{this.invokeCallHook(e,t);let n=qe(e),r=HI(this.activation.getClassName()),s;return r!=null?s=Ms(n,this.kernel.read(),r,this.bias?this.bias.read():null):(s=Ms(n,this.kernel.read()),this.bias!=null&&(s=ds(s,this.bias.read())),this.activation!=null&&(s=this.activation.apply(s))),s})}getConfig(){let e={units:this.units,activation:Xa(this.activation),useBias:this.useBias,kernelInitializer:Ut(this.kernelInitializer),biasInitializer:Ut(this.biasInitializer),kernelRegularizer:vt(this.kernelRegularizer),biasRegularizer:vt(this.biasRegularizer),activityRegularizer:vt(this.activityRegularizer),kernelConstraint:cn(this.kernelConstraint),biasConstraint:cn(this.biasConstraint)},t=super.getConfig();return Object.assign(e,t),e}};xx.className="Dense";ue.registerClass(xx);var bx=class extends tt{constructor(e){e=e||{},super(e),this.inputSpec=[{minNDim:3}],this.dataFormat=e.dataFormat}computeOutputShape(e){e=yt(e);for(let t of e.slice(1))if(t==null)throw new K(`The shape of the input to "Flatten" is not fully defined (got ${e.slice(1)}). 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Y(()=>(e=qe(e),Eee(e,this.n)))}getConfig(){let e={n:this.n},t=super.getConfig();return Object.assign(e,t),e}};wx.className="RepeatVector";ue.registerClass(wx);var kx=class extends tt{constructor(e){super(e);this.targetShape=e.targetShape;for(let t=0;t<this.targetShape.length;++t)this.isUnknown(this.targetShape[t])&&(this.targetShape[t]=null)}isUnknown(e){return e<0||e==null}fixUnknownDimension(e,t){let n="Total size of new array must be unchanged.",r=t.slice(),s=1,a=null;for(let i=0;i<r.length;++i){let l=r[i];if(this.isUnknown(l))if(a===null)a=i;else throw new K("Can only specifiy one unknown dimension.");else s*=l}let o=ja(e);if(a!==null){if(s===0||o%s!=0)throw new K(n);r[a]=o/s}else if(o!==s)throw new K(n);return r}computeOutputShape(e){let t=!1;for(let n=0;n<e.length;++n)if(this.isUnknown(e[n])){t=!0;break}return t?e.slice(0,1).concat(this.targetShape):e.slice(0,1).concat(this.fixUnknownDimension(e.slice(1),this.targetShape))}call(e,t){return Y(()=>{this.invokeCallHook(e,t);let n=qe(e),r=n.shape,s=r.slice(0,1).concat(this.fixUnknownDimension(r.slice(1),this.targetShape));return Z(n,s)})}getConfig(){let e={targetShape:this.targetShape},t=super.getConfig();return Object.assign(e,t),e}};kx.className="Reshape";ue.registerClass(kx);var Ix=class extends tt{constructor(e){super(e);if(e.dims==null)throw new Error("Required configuration field `dims` is missing during Permute constructor call.");if(!Array.isArray(e.dims))throw new Error(`Permute constructor requires \`dims\` to be an Array, but received ${e.dims} instead.`);let t=cs(1,e.dims.length+1);if(!k.arraysEqual(e.dims.slice().sort(),t))throw new Error("Invalid permutation `dims`: "+JSON.stringify(e.dims)+" `dims` must contain consecutive integers starting from 1.");this.dims=e.dims,this.dimsIncludingBatch=[0].concat(this.dims),this.inputSpec=[new Qt({ndim:this.dims.length+1})]}computeOutputShape(e){e=yt(e);let t=e.slice();return this.dims.forEach((n,r)=>{t[r+1]=e[n]}),t}call(e,t){return 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e={axis:this.axis,momentum:this.momentum,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:Ut(this.betaInitializer),gammaInitializer:Ut(this.gammaInitializer),movingMeanInitializer:Ut(this.movingMeanInitializer),movingVarianceInitializer:Ut(this.movingVarianceInitializer),betaRegularizer:vt(this.betaRegularizer),gammaRegularizer:vt(this.gammaRegularizer),betaConstraint:cn(this.betaConstraint),gammaConstraint:cn(this.gammaConstraint)},t=super.getConfig();return Object.assign(e,t),e}};Px.className="BatchNormalization";ue.registerClass(Px);var zx=class extends tt{constructor(e){if(e==null&&(e={}),super(e),this.axis=e.axis==null?-1:e.axis,typeof this.axis=="number"){if(!Number.isInteger(this.axis))throw new Error(`Expected axis to be an integer, but received ${this.axis}`)}else if(Array.isArray(this.axis)){for(let t of this.axis)if(!Number.isInteger(t))throw new Error(`Expected axis to be an array of integers, but received ${JSON.stringify(this.axis)}`)}else throw 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tt{constructor(e){if(e.poolSize==null&&(e.poolSize=[2,2,2]),super(e),this.poolSize=Array.isArray(e.poolSize)?e.poolSize:[e.poolSize,e.poolSize,e.poolSize],e.strides==null)this.strides=this.poolSize;else if(Array.isArray(e.strides)){if(e.strides.length!==3)throw new K(`If the strides property of a 3D pooling layer is an Array, it is expected to have a length of 3, but received length ${e.strides.length}.`);this.strides=e.strides}else this.strides=[e.strides,e.strides,e.strides];yn(this.poolSize,"poolSize"),yn(this.strides,"strides"),this.padding=e.padding==null?"valid":e.padding,this.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,Zt(this.dataFormat),_r(this.padding),this.inputSpec=[new Qt({ndim:5})]}computeOutputShape(e){e=yt(e);let t=this.dataFormat==="channelsFirst"?e[2]:e[1],n=this.dataFormat==="channelsFirst"?e[3]:e[2],r=this.dataFormat==="channelsFirst"?e[4]:e[3];return t=fs(t,this.poolSize[0],this.padding,this.strides[0]),n=fs(n,this.poolSize[1],this.padding,this.strides[1]),r=fs(r,this.poolSize[2],this.padding,this.strides[2]),this.dataFormat==="channelsFirst"?[e[0],e[1],t,n,r]:[e[0],t,n,r,e[4]]}call(e,t){return Y(()=>(this.invokeCallHook(e,t),this.poolingFunction(qe(e),this.poolSize,this.strides,this.padding,this.dataFormat)))}getConfig(){let e={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}},Hx=class extends p8{constructor(e){super(e)}poolingFunction(e,t,n,r,s){return Zt(s),_r(r),c8(e,t,n,r,s,"max")}};Hx.className="MaxPooling3D";ue.registerClass(Hx);var Gx=class extends p8{constructor(e){super(e)}poolingFunction(e,t,n,r,s){return Zt(s),_r(r),c8(e,t,n,r,s,"avg")}};Gx.className="AveragePooling3D";ue.registerClass(Gx);var f8=class extends tt{constructor(e){super(e);this.inputSpec=[new Qt({ndim:3})]}computeOutputShape(e){return[e[0],e[2]]}call(e,t){throw new He}},jx=class extends f8{constructor(e){super(e||{})}call(e,t){return Y(()=>{let n=qe(e);return Xt(n,1)})}};jx.className="GlobalAveragePooling1D";ue.registerClass(jx);var qx=class extends f8{constructor(e){super(e||{})}call(e,t){return Y(()=>{let n=qe(e);return Rs(n,1)})}};qx.className="GlobalMaxPooling1D";ue.registerClass(qx);var m8=class extends tt{constructor(e){super(e);this.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,Zt(this.dataFormat),this.inputSpec=[new Qt({ndim:4})]}computeOutputShape(e){return e=e,this.dataFormat==="channelsLast"?[e[0],e[3]]:[e[0],e[1]]}call(e,t){throw new He}getConfig(){let e={dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}},Kx=class extends m8{call(e,t){return Y(()=>{let n=qe(e);return this.dataFormat==="channelsLast"?Xt(n,[1,2]):Xt(n,[2,3])})}};Kx.className="GlobalAveragePooling2D";ue.registerClass(Kx);var Xx=class extends m8{call(e,t){return Y(()=>{let n=qe(e);return 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e(a)}},Zx=class extends g8{constructor(e){super(e);this.supportsMasking=!0}build(e){if(e=yt(e),e.length<3)throw new K(`TimeDistributed layer expects an input shape >= 3D, but received input shape ${JSON.stringify(e)}`);this.inputSpec=[{shape:e}];let t=[e[0]].concat(e.slice(2));this.layer.built||(this.layer.build(t),this.layer.built=!0),super.build(e)}computeOutputShape(e){e=yt(e);let t=[e[0]].concat(e.slice(2)),n=this.layer.computeOutputShape(t),r=e[1];return[n[0],r].concat(n.slice(1))}call(e,t){return Y(()=>(e=qe(e),i8((a,o)=>[qe(this.layer.call(a,t)),[]],e,[],!1,null,null,!1,!0)[1]))}};Zx.className="TimeDistributed";ue.registerClass(Zx);function yne(e){si(Iee,"BidirectionalMergeMode",e)}var Ane="concat",Yx=class extends g8{constructor(e){super(e);let t=e.layer.getConfig(),n={};n.className=e.layer.getClassName(),n.config=t,this.forwardLayer=ps(n),t.goBackwards=t.goBackwards!==!0;let r={};if(r.className=e.layer.getClassName(),r.config=t,this.backwardLayer=ps(r),this.forwardLayer.name="forward_"+this.forwardLayer.name,this.backwardLayer.name="backward_"+this.backwardLayer.name,this.mergeMode=e.mergeMode===void 0?Ane:e.mergeMode,yne(this.mergeMode),e.weights)throw new He("weights support is not implemented for Bidirectional layer yet.");this._stateful=e.layer.stateful,this.returnSequences=e.layer.returnSequences,this.returnState=e.layer.returnState,this.supportsMasking=!0,this._trainable=!0,this.inputSpec=e.layer.inputSpec,this.numConstants=null}get trainable(){return this._trainable}set trainable(e){this._trainable=e,this.forwardLayer!=null&&(this.forwardLayer.trainable=e),this.backwardLayer!=null&&(this.backwardLayer.trainable=e)}getWeights(){return this.forwardLayer.getWeights().concat(this.backwardLayer.getWeights())}setWeights(e){let 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o;return this.mergeMode==="concat"?o=wA([r,s]):this.mergeMode==="sum"?o=de(r,s):this.mergeMode==="ave"?o=j(.5,de(r,s)):this.mergeMode==="mul"?o=j(r,s):this.mergeMode==null&&(o=[r,s]),this.returnState?this.mergeMode==null?o.concat(a):[o].concat(a):o})}resetStates(e){this.forwardLayer.resetStates(),this.backwardLayer.resetStates()}build(e){ai(this.forwardLayer.name,()=>{this.forwardLayer.build(e)}),ai(this.backwardLayer.name,()=>{this.backwardLayer.build(e)}),this.built=!0}computeMask(e,t){Array.isArray(t)&&(t=t[0]);let n;if(this.returnSequences?this.mergeMode==null?n=[t,t]:n=t:this.mergeMode==null?n=[null,null]:n=null,this.returnState){let s=this.forwardLayer.states.map(a=>null);return Array.isArray(n)?n.concat(s).concat(s):[n].concat(s).concat(s)}else return n}get trainableWeights(){return this.forwardLayer.trainableWeights.concat(this.backwardLayer.trainableWeights)}get nonTrainableWeights(){return this.forwardLayer.nonTrainableWeights.concat(this.backwardLayer.nonTrainableWeights)}setFastWeightInitDuringBuild(e){super.setFastWeightInitDuringBuild(e),this.forwardLayer!=null&&this.forwardLayer.setFastWeightInitDuringBuild(e),this.backwardLayer!=null&&this.backwardLayer.setFastWeightInitDuringBuild(e)}getConfig(){let e={mergeMode:this.mergeMode},t=super.getConfig();return Object.assign(e,t),e}static fromConfig(e,t){let n=ps(t.layer);if(delete t.layer,t.numConstants!=null)throw new He("Deserialization of a Bidirectional layer with numConstants present is not supported yet.");let r=t;return r.layer=n,new e(r)}};Yx.className="Bidirectional";ue.registerClass(Yx);function xne(e){return new tu(e)}function bne(e){return new nx(e)}function vne(e){return new QA(e)}function wne(e){return new ex(e)}function kne(e){return new tx(e)}function Ine(e){return new sx(e)}function Sne(e){return new rx(e)}function Tne(e){return new cx(e)}function Nne(e){return new lm(e)}function Cne(e){return new 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u}processChildNodes(e,t,n,r,s,a){e.children.forEach(o=>{let[i]=ga(o.name,n);s[i]||!a.has(o.name)||(o.op==="Merge"?o.inputNames.some(l=>!!Bn(l,r,n))&&(s[i]=!0,t.push({contexts:n.currentContext,node:o})):o.inputNames.every(l=>!!Bn(l,r,n))&&(s[i]=!0,t.push({contexts:n.currentContext,node:o})))})}dispose(){Object.keys(this.weightMap).forEach(e=>this.weightMap[e].forEach(t=>t.dispose()))}checkInputShapeAndType(e){Object.keys(e).forEach(t=>{let n=e[t],[r]=dr(t),s=this.graph.nodes[r];if(s.attrParams.shape&&s.attrParams.shape.value){let a=s.attrParams.shape.value,o=a.length===n.shape.length&&n.shape.every((i,l)=>a[l]===-1||a[l]===i);k.assert(o,()=>`The shape of dict['${s.name}'] provided in model.execute(dict) must be [${a}], but was [${n.shape}]`)}s.attrParams.dtype&&s.attrParams.dtype.value&&k.assert(n.dtype===s.attrParams.dtype.value,()=>`The dtype of dict['${s.name}'] provided in model.execute(dict) must be ${s.attrParams.dtype.value}, but was ${n.dtype}`)})}mapInputs(e){let t={};for(let n in e)if(this._signature!=null&&this._signature.inputs!=null&&this._signature.inputs[n]!=null){let r=this._signature.inputs[n];t[r.name]=e[n]}else t[n]=e[n];return t}checkInputs(e){let t=Object.keys(e).filter(n=>{let[r]=dr(n);return this.graph.nodes[r]==null});if(t.length>0)throw new Error(`The dict provided in model.execute(dict) has keys: [${t}] that are not part of graph`)}mapOutputs(e){return e.map(t=>this._signature!=null&&this._signature.outputs!=null&&this._signature.outputs[t]!=null?this._signature.outputs[t].name:t,{})}checkOutputs(e){e.forEach(t=>{let[n]=dr(t);if(!this.graph.nodes[n])throw new Error(`The output '${t}' is not found in the graph`)})}},Zse=class{constructor(e={},t={}){this.hashTableNameToHandle=e,this.hashTableMap=t}addHashTable(e,t){this.hashTableNameToHandle[e]=t.handle,this.hashTableMap[t.id]=t}getHashTableHandleByName(e){return this.hashTableNameToHandle[e]}getHashTableById(e){return this.hashTableMap[e]}dispose(){for(let e in this.hashTableMap)this.hashTableMap[e].clearAndClose(),delete this.hashTableMap[e];for(let e in this.hashTableNameToHandle)this.hashTableNameToHandle[e].dispose(),delete this.hashTableNameToHandle[e]}},Yse="?tfjs-format=file",Jse="model.json",sT=class{constructor(e,t={}){this.modelUrl=e,this.loadOptions=t,this.version="n/a",t==null&&(this.loadOptions={}),this.resourceManager=new Zse}get modelVersion(){return this.version}get inputNodes(){return this.executor.inputNodes}get outputNodes(){return this.executor.outputNodes}get inputs(){return this.executor.inputs}get outputs(){return this.executor.outputs}get weights(){return this.executor.weightMap}get metadata(){return this.artifacts.userDefinedMetadata}get modelSignature(){return this.signature}findIOHandler(){let e=this.modelUrl;if(e.load!=null)this.handler=e;else if(this.loadOptions.requestInit!=null)this.handler=cr.browserHTTPRequest(e,this.loadOptions);else{let t=cr.getLoadHandlers(e,this.loadOptions);if(t.length===0)t.push(cr.browserHTTPRequest(e,this.loadOptions));else if(t.length>1)throw new Error(`Found more than one (${t.length}) load handlers for URL '${[e]}'`);this.handler=t[0]}}async load(){if(this.findIOHandler(),this.handler.load==null)throw new Error("Cannot proceed with model loading because the IOHandler provided does not have the `load` method implemented.");let e=await this.handler.load();return this.loadSync(e)}loadSync(e){this.artifacts=e;let t=this.artifacts.modelTopology,n;this.artifacts.userDefinedMetadata!=null&&this.artifacts.userDefinedMetadata.signature!=null?n=this.artifacts.userDefinedMetadata.signature:n=this.artifacts.signature,this.signature=n,this.version=`${t.versions.producer}.${t.versions.minConsumer}`;let r=cr.decodeWeights(this.artifacts.weightData,this.artifacts.weightSpecs);if(this.executor=new m5(K8.Instance.transformGraph(t,this.signature)),this.executor.weightMap=this.convertTensorMapToTensorsMap(r),this.executor.resourceManager=this.resourceManager,e.modelInitializer!=null&&e.modelInitializer.node!=null){let s=K8.Instance.transformGraph(e.modelInitializer);this.initializer=new m5(s),this.initializer.weightMap=this.executor.weightMap,this.initializer.resourceManager=this.resourceManager,this.initializer.executeAsync({},[])}return!0}async save(e,t){if(typeof e=="string"){let n=cr.getSaveHandlers(e);if(n.length===0)throw new Error(`Cannot find any save handlers for URL '${e}'`);if(n.length>1)throw new Error(`Found more than one (${n.length}) save handlers for URL '${e}'`);e=n[0]}if(e.save==null)throw new Error("GraphModel.save() cannot proceed because the IOHandler provided does not have the `save` attribute defined.");return e.save(this.artifacts)}predict(e,t){return this.execute(e,this.outputNodes)}normalizeInputs(e){if(!(e instanceof Ot)&&!Array.isArray(e))return e;if(e=Array.isArray(e)?e:[e],e.length!==this.inputNodes.length)throw new Error(`Input tensor count mismatch,the graph model has ${this.inputNodes.length} placeholders, while there are ${e.length} input tensors.`);return this.inputNodes.reduce((t,n,r)=>(t[n]=e[r],t),{})}normalizeOutputs(e){return e=e||this.outputNodes,Array.isArray(e)?e:[e]}execute(e,t){e=this.normalizeInputs(e),t=this.normalizeOutputs(t);let n=this.executor.execute(e,t);return n.length>1?n:n[0]}async executeAsync(e,t){e=this.normalizeInputs(e),t=this.normalizeOutputs(t);let n=await this.executor.executeAsync(e,t);return n.length>1?n:n[0]}convertTensorMapToTensorsMap(e){return Object.keys(e).reduce((t,n)=>(t[n]=[e[n]],t),{})}dispose(){this.executor.dispose(),this.initializer&&this.initializer.dispose(),this.resourceManager.dispose()}};async function Nt(e,t={}){if(e==null)throw new Error("modelUrl in loadGraphModel() cannot be null. 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e;Ge(e.value)}}},yae=class extends An{constructor(e,t){super();this.upstream=e,this.transform=t}summary(){return`${this.upstream.summary()} -> Map`}async next(){let e=await this.upstream.next();if(e.done)return{value:null,done:!0};let t=Ns.getTensorsInContainer(e.value),n=this.transform(e.value),r=Ns.getTensorsInContainer(n);for(let s of t)Ns.isTensorInList(s,r)||s.dispose();return{value:n,done:!1}}},Aae=class extends An{constructor(e,t){super();this.upstream=e,this.handler=t,this.count=0,this.lastRead=Promise.resolve({value:null,done:!1})}summary(){return`${this.upstream.summary()} -> handleErrors`}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}async serialNext(){for(;;)try{return await this.upstream.next()}catch(e){if(!this.handler(e))return{value:null,done:!0}}}},pT=class extends An{constructor(e,t){super();this.upstream=e,this.transform=t}summary(){return`${this.upstream.summary()} -> AsyncMap`}async next(){let e=await 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e=co("fs");this.input=e.readFileSync(this.input.substr(7))}return new IT(this.input,this.options)}},NT=class extends wT{constructor(e,t={}){super();this.url=e,this.fileOptions=t}async iterator(){return ST(this.url)?new TT(this.url,this.fileOptions).iterator():Rae(this.url,this.fileOptions)}};function Dae(e,t={}){return new xT(new NT(e),t)}function Fae(e){let t=g5(e);return hr(async()=>t)}function Mae(e){return hr(async()=>{let t=await e();return g5(()=>t.next())})}async function Oae(e,t){return vT.create(e,t)}async function Pae(e){return bT.create(e)}var zae="3.8.0";function Ne(e,t){Array.isArray(e)||(e=[e]),e.forEach(n=>{n!=null&&k.assert(n.dtype!=="complex64",()=>`${t} does not support complex64 tensors in the CPU backend.`)})}var Lae=da.whereImpl,CT=class extends Lp{constructor(){super();this.blockSize=48,this.firstUse=!0,this.data=new d1(this,Ba())}nextDataId(){return CT.nextDataId++}write(e,t,n){this.firstUse&&(this.firstUse=!1,re().get("IS_NODE")&&_.warn(`
============================
Hi there \u{1F44B}. Looks like you are running TensorFlow.js in Node.js. To speed things up dramatically, install our node backend, which binds to TensorFlow C++, by running npm i @tensorflow/tfjs-node, or npm i @tensorflow/tfjs-node-gpu if you have CUDA. Then call require('@tensorflow/tfjs-node'); (-gpu suffix for CUDA) at the start of your program. Visit https://github.com/tensorflow/tfjs-node for more details.
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s=r.map(i=>n.data.get(i.dataId).values),a=ze(r[0].shape,r[0].dtype),o=a.values;for(let i=0;i<r.length;i++){let l=s[i];for(let u=0;u<o.length;u++)o[u]+=l[u]}return n.makeTensorInfo(a.shape,a.dtype,a.values)}var Yoe={kernelName:Xi,backendName:"cpu",kernelFunc:Zoe};function Joe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r;Ne(s,"all");let i=k.parseAxisParam(a,s.shape),l=i,u=_.getAxesPermutation(l,s.shape.length),c=s;u!=null&&(c=Dr({inputs:{x:s},backend:n,attrs:{perm:u}}),l=_.getInnerMostAxes(l.length,s.shape.length)),_.assertAxesAreInnerMostDims("all",l,c.shape.length);let[d,h]=_.computeOutAndReduceShapes(c.shape,l),p=k.sizeFromShape(h),f=k.makeZerosTypedArray(k.sizeFromShape(d),c.dtype),m=n.data.get(c.dataId).values;for(let y=0;y<f.length;++y){let A=y*p,x=m[A];for(let b=0;b<p;++b){let v=m[A+b];x=x&&v}f[y]=x}u!=null&&n.disposeIntermediateTensorInfo(c);let g=n.makeTensorInfo(d,c.dtype,f);if(o){let y=_.expandShapeToKeepDim(d,i),A=_t({inputs:{x:g},backend:n,attrs:{shape:y}});return n.disposeIntermediateTensorInfo(g),A}return g}var Qoe={kernelName:vc,backendName:"cpu",kernelFunc:Joe};function eie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r;Ne(s,"any");let i=k.parseAxisParam(a,s.shape),l=i,u=_.getAxesPermutation(l,s.shape.length),c=s;u!=null&&(c=Dr({inputs:{x:s},backend:n,attrs:{perm:u}}),l=_.getInnerMostAxes(l.length,s.shape.length)),_.assertAxesAreInnerMostDims("any",l,c.shape.length);let[d,h]=_.computeOutAndReduceShapes(c.shape,l),p=k.sizeFromShape(h),f=k.makeZerosTypedArray(k.sizeFromShape(d),c.dtype),m=n.data.get(c.dataId).values;for(let y=0;y<f.length;++y){let A=y*p,x=m[A];for(let b=0;b<p;++b){let v=m[A+b];x=x||v}f[y]=x}u!=null&&n.disposeIntermediateTensorInfo(c);let g=n.makeTensorInfo(d,c.dtype,f);if(o){let y=_.expandShapeToKeepDim(d,i),A=_t({inputs:{x:g},backend:n,attrs:{shape:y}});return n.disposeIntermediateTensorInfo(g),A}return g}var tie={kernelName:wc,backendName:"cpu",kernelFunc:eie};function nie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a}=r;Ne(s,"argMax");let o=k.parseAxisParam(a,s.shape),i=_.getAxesPermutation(o,s.shape.length),l=s,u=[];i!=null&&(l=Dr({inputs:{x:s},backend:n,attrs:{perm:i}}),u.push(l),o=_.getInnerMostAxes(o.length,l.shape.length)),o=[o[0]],_.assertAxesAreInnerMostDims("argMax",o,l.shape.length);let[c,d]=_.computeOutAndReduceShapes(l.shape,o),h=k.sizeFromShape(c),p=k.makeZerosTypedArray(h,"int32"),f=k.sizeFromShape(d),m=n.data.get(l.dataId).values;for(let g=0;g<p.length;++g){let y=g*f,A=m[y],x=0;for(let b=0;b<f;++b){let v=m[y+b];v>A&&(A=v,x=b)}p[g]=x}return u.forEach(g=>n.disposeIntermediateTensorInfo(g)),n.makeTensorInfo(c,"int32",p)}var rie={kernelName:Zi,backendName:"cpu",kernelFunc:nie};function sie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a}=r;Ne(s,"argMin");let o=k.parseAxisParam(a,s.shape),i=_.getAxesPermutation(o,s.shape.length),l=s,u=[];i!=null&&(l=Dr({inputs:{x:s},backend:n,attrs:{perm:i}}),u.push(l),o=_.getInnerMostAxes(o.length,l.shape.length)),o=[o[0]],_.assertAxesAreInnerMostDims("argMin",o,l.shape.length);let[c,d]=_.computeOutAndReduceShapes(l.shape,o),h=k.sizeFromShape(c),p=k.makeZerosTypedArray(h,"int32"),f=k.sizeFromShape(d),m=n.data.get(l.dataId).values;for(let g=0;g<p.length;++g){let y=g*f,A=m[y],x=0;for(let b=0;b<f;++b){let v=m[y+b];v<A&&(A=v,x=b)}p[g]=x}return u.forEach(g=>n.disposeIntermediateTensorInfo(g)),n.makeTensorInfo(c,"int32",p)}var aie={kernelName:qp,backendName:"cpu",kernelFunc:sie},oie=At(kc,e=>Math.asin(e)),iie={kernelName:kc,backendName:"cpu",kernelFunc:oie},lie=At(Ic,e=>Math.asinh(e)),uie={kernelName:Ic,backendName:"cpu",kernelFunc:lie},cie=At(Sc,e=>Math.atan(e)),die={kernelName:Sc,backendName:"cpu",kernelFunc:cie},hie=en((e,t)=>Math.atan2(e,t)),pie=xn(Nc,hie),fie={kernelName:Nc,backendName:"cpu",kernelFunc:pie},mie=At(Tc,e=>Math.atanh(e)),gie={kernelName:Tc,backendName:"cpu",kernelFunc:mie};function N5(e,t,n,r,s,a){let o=s.strideHeight,i=s.strideWidth,l=s.dilationHeight,u=s.dilationWidth,c=s.effectiveFilterHeight,d=s.effectiveFilterWidth,h=s.padInfo.top,p=s.padInfo.left,f=a==="max"?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,m=ze(s.outShape,n),g=m.values,y=s.outShape[1]*s.outShape[2]*s.outShape[3],A=s.outShape[2]*s.outShape[3],x=s.outShape[3];for(let b=0;b<s.batchSize;++b){let v=b*y,I=b*r[0];for(let w=0;w<s.inChannels;++w)for(let S=0;S<s.outHeight;++S){let 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B=M-w,q=m.get(g,R,M,y);q>D&&(D=q,s?$=a?((g*r.inHeight+R)*r.inWidth+M)*r.inChannels+y:(R*r.inWidth+M)*r.inChannels+y:$=N*h+B)}}o.set($,g,A,I,y)}}return o}function IN(e,t,n,r,s,a){let o=s.strideDepth,i=s.strideHeight,l=s.strideWidth,u=s.dilationDepth,c=s.dilationHeight,d=s.dilationWidth,h=s.effectiveFilterDepth,p=s.effectiveFilterHeight,f=s.effectiveFilterWidth,m=s.padInfo.front,g=s.padInfo.top,y=s.padInfo.left,A=a==="max"?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,x=ze(s.outShape,n),b=x.values,v=s.outShape[1]*s.outShape[2]*s.outShape[3]*s.outShape[4],I=s.outShape[2]*s.outShape[3]*s.outShape[4],w=s.outShape[3]*s.outShape[4],S=s.outShape[4];for(let E=0;E<s.batchSize;++E){let D=E*v,$=E*r[0];for(let R=0;R<s.inChannels;++R)for(let N=0;N<s.outDepth;++N){let M=N*o-m,B=M;for(;B<0;)B+=u;let q=Math.min(s.inDepth,h+M),X=D+N*I;for(let J=0;J<s.outHeight;++J){let ee=J*i-g,ae=ee;for(;ae<0;)ae+=c;let se=Math.min(s.inHeight,p+ee),oe=X+J*w;for(let ne=0;ne<s.outWidth;++ne){let ce=ne*l-y,he=ce;for(;he<0;)he+=d;let me=Math.min(s.inWidth,f+ce),be=oe+ne*S,Ee=A,$e=0,Pe=0;for(let Be=B;Be<q;Be+=u){let bt=$+Be*r[1];for(let pt=ae;pt<se;pt+=c){let ft=bt+pt*r[2];for(let dt=he;dt<me;dt+=d){let xt=ft+dt*r[3],Ye=e[xt+R];if(a==="max"&&Ye>Ee?Ee=Ye:a==="avg"&&($e+=Ye,Pe++),isNaN(Ee))break}if(isNaN(Ee))break}if(isNaN(Ee))break}let je=be+R;b[je]=a==="avg"?$e/Pe:Ee}}}}return x}function yie(e,t){let n=ze(t.outShape,"int32"),r=t.strideDepth,s=t.strideHeight,a=t.strideWidth,o=t.dilationDepth,i=t.dilationHeight,l=t.dilationWidth,u=t.effectiveFilterDepth,c=t.effectiveFilterHeight,d=t.effectiveFilterWidth,h=t.padInfo.front,p=t.padInfo.top,f=t.padInfo.left;for(let m=0;m<t.batchSize;++m)for(let g=0;g<t.inChannels;++g)for(let y=0;y<t.outDepth;++y){let A=y*r-h,x=A;for(;x<0;)x+=o;let b=Math.min(t.inDepth,u+A);for(let v=0;v<t.outHeight;++v){let I=v*s-p,w=I;for(;w<0;)w+=i;let S=Math.min(t.inHeight,c+I);for(let E=0;E<t.outWidth;++E){let D=E*a-f,$=D;for(;$<0;)$+=l;let R=Math.min(t.inWidth,d+D),N=Number.NEGATIVE_INFINITY,M=-1;for(let B=x;B<b;B+=o){let q=B-A;for(let X=w;X<S;X+=i){let J=X-I;for(let ee=$;ee<R;ee+=l){let ae=ee-D,se=e.get(m,B,X,ee,g);se>=N&&(N=se,M=q*c*d+J*c+ae)}}}n.set(M,m,y,v,E,g)}}}return n}function Aie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;Ne(s,"avgPool");let{filterSize:a,strides:o,pad:i,dimRoundingMode:l}=r,u=1;k.assert(_.eitherStridesOrDilationsAreOne(o,u),()=>`Error in avgPool: Either strides or dilations must be 1. Got strides ${o} and dilations '${u}'`);let c=_.computePool2DInfo(s.shape,a,o,u,i,l),d;if(c.filterWidth===1&&c.filterHeight===1&&k.arraysEqual(c.inShape,c.outShape))d=Ls({inputs:{x:s},backend:n});else{let h=n.data.get(s.dataId).values,p=k.computeStrides(s.shape),f=N5(h,s.shape,s.dtype,p,c,"avg");d=n.makeTensorInfo(c.outShape,s.dtype,f.values)}return d}var xie={kernelName:Yi,backendName:"cpu",kernelFunc:Aie};function bie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{filterSize:a,strides:o,pad:i,dimRoundingMode:l,dataFormat:u}=r;Ne(s,"avgPool3d");let c=_.computePool3DInfo(s.shape,a,o,1,i,l,u),d=n.data.get(s.dataId).values,h=IN(d,s.shape,s.dtype,k.computeStrides(s.shape),c,"avg");return n.makeTensorInfo(h.shape,"float32",h.values)}var vie={kernelName:Kp,backendName:"cpu",kernelFunc:bie};function wie(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,{filterSize:o,strides:i,pad:l,dimRoundingMode:u}=r;Ne([s,a],"avgPool3DGrad");let c=_.computePool3DInfo(a.shape,o,i,1,l,u),d=c.strideDepth,h=c.strideHeight,p=c.strideWidth,f=c.filterDepth,m=c.filterHeight,g=c.filterWidth,y=c.dilationDepth,A=c.dilationHeight,x=c.dilationWidth,b=c.effectiveFilterDepth,v=c.effectiveFilterHeight,I=c.effectiveFilterWidth,w=b-1-c.padInfo.front,S=I-1-c.padInfo.left,E=v-1-c.padInfo.top,D=ze(a.shape,"float32"),$=1/(f*m*g),R=n.bufferSync(s);for(let N=0;N<c.batchSize;++N)for(let M=0;M<c.inChannels;++M)for(let B=0;B<c.inDepth;++B)for(let q=0;q<c.inHeight;++q)for(let X=0;X<c.inWidth;++X){let J=B-w,ee=q-E,ae=X-S,se=0;for(let oe=0;oe<b;oe+=y){let ne=(J+oe)/d;if(!(ne<0||ne>=c.outDepth||Math.floor(ne)!==ne))for(let ce=0;ce<v;ce+=A){let he=(ee+ce)/h;if(!(he<0||he>=c.outHeight||Math.floor(he)!==he))for(let me=0;me<I;me+=x){let be=(ae+me)/p;if(be<0||be>=c.outWidth||Math.floor(be)!==be)continue;se+=R.get(N,ne,he,be,M)}}}D.set(se*$,N,B,q,X,M)}return n.makeTensorInfo(D.shape,D.dtype,D.values)}var kie={kernelName:x1,backendName:"cpu",kernelFunc:wie};function Iie(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a;Ne([s,a],"avgPoolGrad");let{filterSize:i,strides:l,pad:u}=r,c=_.computePool2DInfo(o.shape,i,l,1,u),d=c.strideHeight,h=c.strideWidth,p=c.filterHeight,f=c.filterWidth,m=c.dilationHeight,g=c.dilationWidth,y=c.effectiveFilterHeight,A=c.effectiveFilterWidth,x=A-1-c.padInfo.left,b=y-1-c.padInfo.top,v=ze(o.shape,"float32"),I=1/(p*f),w=n.data.get(s.dataId).values,S=ze(s.shape,"float32",w);for(let E=0;E<c.batchSize;++E)for(let D=0;D<c.inChannels;++D)for(let $=0;$<c.inHeight;++$)for(let R=0;R<c.inWidth;++R){let N=$-b,M=R-x,B=0;for(let q=0;q<y;q+=m){let X=(N+q)/d;if(!(X<0||X>=c.outHeight||Math.floor(X)!==X))for(let J=0;J<A;J+=g){let ee=(M+J)/h;if(ee<0||ee>=c.outWidth||Math.floor(ee)!==ee)continue;B+=S.get(E,X,ee,D)}}v.set(B*I,E,$,R,D)}return n.makeTensorInfo(v.shape,v.dtype,v.values)}var Sie={kernelName:A1,backendName:"cpu",kernelFunc:Iie};function Tie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,scale:a,offset:o,mean:i,variance:l}=t;k.assert(i.shape.length===l.shape.length,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),k.assert(o==null||i.shape.length===o.shape.length,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),k.assert(a==null||i.shape.length===a.shape.length,()=>"Batch normalization gradient requires mean and scale to have equal ranks."),Ne([s,i,l,a,o],"batchNorm");let{varianceEpsilon:u}=r;u==null&&(u=.001);let c=n.data.get(s.dataId).values,d=n.data.get(i.dataId).values,h=n.data.get(l.dataId).values,p=a?n.data.get(a.dataId).values:new Float32Array([1]),f=o?n.data.get(o.dataId).values:new Float32Array([0]),m=new Float32Array(c.length),g=f.length,y=p.length,A=h.length,x=d.length,b=0,v=0,I=0,w=0;for(let S=0;S<c.length;++S)m[S]=f[b++]+(c[S]-d[v++])*p[I++]/Math.sqrt(h[w++]+u),b>=g&&(b=0),v>=x&&(v=0),I>=y&&(I=0),w>=A&&(w=0);return n.makeTensorInfo(s.shape,s.dtype,m)}var Nie={kernelName:cl,backendName:"cpu",kernelFunc:Tie};function Cie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockShape:a,crops:o}=r;Ne([s],"batchToSpaceND");let i=a.reduce((y,A)=>y*A),l=_.getReshaped(s.shape,a,i),u=_.getPermuted(l.length,a.length),c=_.getReshapedPermuted(s.shape,a,i),d=_.getSliceBeginCoords(o,a.length),h=_.getSliceSize(c,o,a.length),p=_t({inputs:{x:s},backend:n,attrs:{shape:l}}),f=Dr({inputs:{x:p},backend:n,attrs:{perm:u}}),m=_t({inputs:{x:f},backend:n,attrs:{shape:c}}),g=hi({inputs:{x:m},backend:n,attrs:{begin:d,size:h}});return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(m),g}var Eie={kernelName:Cc,backendName:"cpu",kernelFunc:Cie};function $ie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,weights:a}=t,{size:o}=r,i=n.data.get(s.dataId).values,l=n.data.get(a.dataId).values,u=v5(i,l,a.dtype,a.shape,o);return n.makeTensorInfo([o],a.dtype,u)}var Rie={kernelName:b1,backendName:"cpu",kernelFunc:$ie},_ie=At(Co,(e,t)=>{let n=t;return e>n.clipValueMax?n.clipValueMax:e<n.clipValueMin?n.clipValueMin:e}),Die={kernelName:Co,backendName:"cpu",kernelFunc:_ie},Fie=e=>{let{x:t}=e.inputs,n=e.backend,r=new Float32Array(k.sizeFromShape(t.shape)),s=n.data.get(t.dataId),a=s.complexTensorInfos.real,o=s.complexTensorInfos.imag,i=n.data.get(a.dataId).values,l=n.data.get(o.dataId).values;for(let u=0;u<i.length;u++){let c=i[u],d=l[u];r[u]=Math.hypot(c,d)}return n.makeOutput(r,t.shape,"float32")},Mie={kernelName:Xp,backendName:"cpu",kernelFunc:Fie};function uu(e){let{inputs:t,backend:n}=e,{input:r}=t,s=n.data.get(r.dataId).complexTensorInfos.imag,a=n.data.get(s.dataId).values;return n.makeTensorInfo(s.shape,s.dtype,a)}var Oie={kernelName:M1,backendName:"cpu",kernelFunc:uu};function cu(e){let{inputs:t,backend:n,attrs:r}=e,{axis:s}=r,a=k.parseAxisParam(s,t[0].shape)[0],o=_.computeOutShape(t.map(m=>m.shape),a);if(k.sizeFromShape(o)===0)return n.makeTensorInfo(o,t[0].dtype,[]);let i=t.filter(m=>k.sizeFromShape(m.shape)>0);if(i.length===1)return Ls({inputs:{x:i[0]},backend:n});let l=i.map(m=>m.shape);if(_.assertParamsConsistent(l,a),i[0].dtype==="complex64"){let m=i.map(b=>di({inputs:{input:b},backend:n})),g=i.map(b=>uu({inputs:{input:b},backend:n})),y=cu({inputs:m,backend:n,attrs:{axis:a}}),A=cu({inputs:g,backend:n,attrs:{axis:a}}),x=pr({inputs:{real:y,imag:A},backend:n});return m.forEach(b=>n.disposeIntermediateTensorInfo(b)),g.forEach(b=>n.disposeIntermediateTensorInfo(b)),n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(A),x}let u=i.map(m=>{let g=k.sizeFromShape(m.shape.slice(a));return _t({inputs:{x:m},backend:n,attrs:{shape:[-1,g]}})}),c=u.map(m=>({vals:n.data.get(m.dataId).values,shape:m.shape}));o=_.computeOutShape(u.map(m=>m.shape),1);let d=u[0].shape[0]===1,h=FT(c,o,t[0].dtype,d),p=_.computeOutShape(i.map(m=>m.shape),a),f=n.makeTensorInfo(p,t[0].dtype,h);return u.forEach(m=>n.disposeIntermediateTensorInfo(m)),f}var Pie={kernelName:Ec,backendName:"cpu",kernelFunc:cu};function SN(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dataFormat:l,dilations:u,dimRoundingMode:c}=r;Ne([s,a],"conv2d");let d=_.convertConv2DDataFormat(l),h=_.computeConv2DInfo(s.shape,a.shape,o,u,i,c,!1,d),p=h.filterHeight,f=h.filterWidth,m=h.dilationHeight,g=h.dilationWidth,y=h.padInfo.left,A=h.padInfo.top,x=h.dataFormat==="channelsLast",b=new Jt(h.outShape,s.dtype),v=k.computeStrides(s.shape),I=k.computeStrides(a.shape),w=v[0],S=x?v[1]:v[2],E=x?v[2]:1,D=x?1:v[1],$=b.strides[0],R=x?b.strides[1]:b.strides[2],N=x?b.strides[2]:1,M=x?1:b.strides[1],B=n.data.get(s.dataId).values,q=n.data.get(a.dataId).values,X=b.values;for(let J=0;J<h.batchSize;++J){let ee=J*w,ae=J*$;for(let se=0;se<h.outHeight;++se){let oe=ae+se*R,ne=se*h.strideHeight-A;for(let ce=0;ce<p;++ce){let he=ne+ce*m;if(he<0||he>=h.inHeight)continue;let me=ce*I[0],be=ee+he*S;for(let Ee=0;Ee<h.outWidth;++Ee){let $e=oe+Ee*N,Pe=Ee*h.strideWidth-y;for(let je=0;je<f;++je){let Be=Pe+je*g;if(Be<0||Be>=h.inWidth)continue;let bt=me+je*I[1],pt=be+Be*E,ft=bt;for(let dt=0;dt<h.inChannels;++dt){let xt=B[pt+dt*D];for(let Ye=0;Ye<h.outChannels;++Ye)X[$e+Ye*M]+=xt*q[ft+Ye];ft+=h.outChannels}}}}}}return n.makeTensorInfo(b.shape,b.dtype,X)}var zie={kernelName:el,backendName:"cpu",kernelFunc:SN};function Lie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,pad:i,dataFormat:l,dimRoundingMode:u,filterShape:c}=r;Ne([s,a],"conv2dBackpropFilter");let d=_.convertConv2DDataFormat(l),h=_.computeConv2DInfo(s.shape,c,o,1,i,u,!1,d),{strideHeight:p,strideWidth:f,filterHeight:m,filterWidth:g}=h,y=h.dataFormat==="channelsLast",A=new Jt(h.filterShape,"float32"),x=h.padInfo.left,b=h.padInfo.top,v=n.data.get(s.dataId).values,I=n.data.get(a.dataId).values,w=new Jt(s.shape,s.dtype,v),S=new Jt(a.shape,a.dtype,I);for(let E=0;E<m;++E){let D=Math.max(0,Math.ceil((b-E)/p)),$=Math.min(h.outHeight,(h.inHeight+b-E)/p);for(let R=0;R<g;++R){let N=Math.max(0,Math.ceil((x-R)/f)),M=Math.min(h.outWidth,(h.inWidth+x-R)/f);for(let B=0;B<h.inChannels;++B)for(let q=0;q<h.outChannels;++q){let X=0;for(let J=0;J<h.batchSize;++J)for(let ee=D;ee<$;++ee){let ae=E+ee*p-b;for(let se=N;se<M;++se){let oe=R+se*f-x;y?X+=w.get(J,ae,oe,B)*S.get(J,ee,se,q):X+=w.get(J,B,ae,oe)*S.get(J,q,ee,se)}}A.set(X,E,R,B,q)}}}return n.makeTensorInfo(A.shape,A.dtype,A.values)}var Bie={kernelName:w1,backendName:"cpu",kernelFunc:Lie};function Wie(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{inputShape:o,strides:i,pad:l,dataFormat:u,dimRoundingMode:c}=r;Ne([s,a],"conv2dBackpropInput");let d=k.computeStrides(a.shape),h=k.computeStrides(s.shape),p=_.convertConv2DDataFormat(u),f=_.computeConv2DInfo(o,a.shape,i,1,l,c,!1,p),m=new 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Vie={kernelName:tl,backendName:"cpu",kernelFunc:Wie};function Uie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:l}=r;Ne([s,a],"conv3d");let u=_.computeConv3DInfo(s.shape,a.shape,o,l,i),{filterDepth:c,filterHeight:d,filterWidth:h,dilationDepth:p,dilationHeight:f,dilationWidth:m,padInfo:g}=u,y=g.front,A=g.left,x=g.top,b=new Jt(u.outShape,s.dtype),v=n.data.get(s.dataId).values,I=n.data.get(a.dataId).values,w=b.values,S=k.computeStrides(s.shape),E=k.computeStrides(a.shape);for(let D=0;D<u.batchSize;++D){let $=D*S[0],R=D*b.strides[0];for(let N=0;N<u.outDepth;++N){let M=R+N*b.strides[1],B=N*u.strideDepth-y;for(let q=0;q<c;++q){let X=B+q*p;if(X<0||X>=u.inDepth)continue;let J=q*E[0],ee=$+X*S[1];for(let ae=0;ae<u.outHeight;++ae){let se=M+ae*b.strides[2],oe=ae*u.strideHeight-x;for(let ne=0;ne<d;++ne){let ce=oe+ne*f;if(ce<0||ce>=u.inHeight)continue;let he=J+ne*E[1],me=ee+ce*S[2];for(let be=0;be<u.outWidth;++be){let Ee=se+be*u.outChannels,$e=be*u.strideWidth-A;for(let Pe=0;Pe<h;++Pe){let je=$e+Pe*m;if(je<0||je>=u.inWidth)continue;let Be=he+Pe*E[2],bt=me+je*u.inChannels,pt=Be;for(let ft=0;ft<u.inChannels;++ft){let dt=v[bt+ft];for(let xt=0;xt<u.outChannels;++xt)w[Ee+xt]+=dt*I[pt+xt];pt+=u.outChannels}}}}}}}}return n.makeTensorInfo(b.shape,b.dtype,b.values)}var Hie={kernelName:Zp,backendName:"cpu",kernelFunc:Uie};function Gie(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,pad:i,filterShape:l}=r;Ne([s,a],"conv3dBackpropFilterV2");let u=k.computeStrides(s.shape),c=k.computeStrides(a.shape),d=_.computeConv3DInfo(s.shape,l,o,1,i),h=d.strideDepth,p=d.strideHeight,f=d.strideWidth,m=d.filterDepth,g=d.filterHeight,y=d.filterWidth,A=new Jt(d.filterShape,"float32"),x=A.values,[b,v,I,w]=A.strides,S=n.data.get(a.dataId).values,[E,D,$,R]=c,N=n.data.get(s.dataId).values,[M,B,q,X]=u,J=d.padInfo.front,ee=d.padInfo.left,ae=d.padInfo.top;for(let se=0;se<m;++se){let oe=Math.max(0,Math.ceil((J-se)/h)),ne=Math.min(d.outDepth,(d.inDepth+J-se)/h),ce=se*b;for(let he=0;he<g;++he){let me=Math.max(0,Math.ceil((ae-he)/p)),be=Math.min(d.outHeight,(d.inHeight+ae-he)/p),Ee=he*v+ce;for(let $e=0;$e<y;++$e){let Pe=Math.max(0,Math.ceil((ee-$e)/f)),je=Math.min(d.outWidth,(d.inWidth+ee-$e)/f),Be=$e*I+Ee;for(let bt=0;bt<d.inChannels;++bt){let pt=bt*w+Be;for(let ft=0;ft<d.outChannels;++ft){let dt=0;for(let xt=0;xt<d.batchSize;++xt){let Ye=xt*M,Gn=xt*E;for(let Bt=oe;Bt<ne;++Bt){let bn=(se+Bt*h-J)*B+Ye,zr=Bt*D+Gn;for(let Rn=me;Rn<be;++Rn){let xr=(he+Rn*p-ae)*q+bn,vn=Rn*$+zr;for(let br=Pe;br<je;++br){let ir=($e+br*f-ee)*X+xr,bs=br*R+vn;dt+=N[ir+bt]*S[bs+ft]}}}}x[pt+ft]=dt}}}}}return n.makeTensorInfo(A.shape,A.dtype,A.values)}var jie={kernelName:k1,backendName:"cpu",kernelFunc:Gie};function qie(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{pad:o,strides:i,inputShape:l}=r;Ne([s],"conv3dBackpropInputV2");let u=k.computeStrides(s.shape),c=k.computeStrides(a.shape),d=_.computeConv3DInfo(l,a.shape,i,1,o),h=new Jt(d.inShape,"float32"),p=h.values,[f,m,g,y]=h.strides,A=n.data.get(s.dataId).values,[x,b,v,I]=u,w=n.data.get(a.dataId).values,[S,E,D,$]=c,{batchSize:R,filterDepth:N,filterHeight:M,filterWidth:B,inChannels:q,inDepth:X,inHeight:J,inWidth:ee,outChannels:ae,outDepth:se,outHeight:oe,outWidth:ne,strideDepth:ce,strideHeight:he,strideWidth:me}=d,be=N-1-d.padInfo.front,Ee=M-1-d.padInfo.top,$e=B-1-d.padInfo.left;for(let Pe=0;Pe<R;++Pe)for(let je=0;je<q;++je)for(let Be=0;Be<X;++Be){let bt=Be-be,pt=Math.max(0,Math.ceil(bt/ce)),ft=Math.min(se,(N+bt)/ce);for(let dt=0;dt<J;++dt){let xt=dt-Ee,Ye=Math.max(0,Math.ceil(xt/he)),Gn=Math.min(oe,(M+xt)/he);for(let Bt=0;Bt<ee;++Bt){let or=Bt-$e,bn=Math.max(0,Math.ceil(or/me)),zr=Math.min(ne,(B+or)/me),Rn=0;for(let Ar=pt;Ar<ft;++Ar){let xr=Ar*ce-bt;for(let vn=Ye;vn<Gn;++vn){let br=vn*he-xt;for(let vr=bn;vr<zr;++vr){let ir=vr*me-or,bs=x*Pe+b*Ar+v*vn+I*vr,Hs=S*(N-1-xr)+E*(M-1-br)+D*(B-1-ir)+$*je;for(let xa=0;xa<ae;++xa){let Ii=A[bs+xa],vs=w[Hs+xa];Rn+=Ii*vs}}}}p[f*Pe+m*Be+g*dt+y*Bt+je]=Rn}}}return n.makeTensorInfo(h.shape,h.dtype,h.values)}var Kie={kernelName:I1,backendName:"cpu",kernelFunc:qie},Xie=At(nl,e=>Math.cos(e)),Zie={kernelName:nl,backendName:"cpu",kernelFunc:Xie},Yie=At(rl,e=>Math.cosh(e)),Jie={kernelName:rl,backendName:"cpu",kernelFunc:Yie};function Qie(e){let{inputs:t,backend:n,attrs:r}=e,{image:s,boxes:a,boxInd:o}=t,{cropSize:i,method:l,extrapolationValue:u}=r,[c,d,h,p]=s.shape,f=a.shape[0],[m,g]=i,y=ze([f,m,g,p],"float32"),A=n.data.get(a.dataId).values,x=n.data.get(o.dataId).values,b=n.data.get(s.dataId).values,v=k.computeStrides(s.shape),I=k.computeStrides(y.shape);for(let w=0;w<f;w++){let S=w*4,E=A[S],D=A[S+1],$=A[S+2],R=A[S+3],N=x[w];if(N>=c)continue;let M=m>1?($-E)*(d-1)/(m-1):0,B=g>1?(R-D)*(h-1)/(g-1):0;for(let q=0;q<m;q++){let X=m>1?E*(d-1)+q*M:.5*(E+$)*(d-1);if(X<0||X>d-1){for(let J=0;J<g;J++)for(let ee=0;ee<p;ee++){let ae=ee+J*I[2]+q*I[1]+w*I[0];y.values[ae]=u}continue}if(l==="bilinear"){let J=Math.floor(X),ee=Math.ceil(X),ae=X-J;for(let se=0;se<g;se++){let oe=g>1?D*(h-1)+se*B:.5*(D+R)*(h-1);if(oe<0||oe>h-1){for(let me=0;me<p;me++){let be=me+se*I[2]+q*I[1]+w*I[0];y.values[be]=u}continue}let ne=Math.floor(oe),ce=Math.ceil(oe),he=oe-ne;for(let me=0;me<p;me++){let be=me+ne*v[2]+J*v[1]+N*v[0],Ee=b[be];be=me+ce*v[2]+J*v[1]+N*v[0];let $e=b[be];be=me+ne*v[2]+ee*v[1]+N*v[0];let Pe=b[be];be=me+ce*v[2]+ee*v[1]+N*v[0];let je=b[be],Be=Ee+($e-Ee)*he,bt=Pe+(je-Pe)*he;be=me+se*I[2]+q*I[1]+w*I[0],y.values[be]=Be+(bt-Be)*ae}}}else for(let J=0;J<g;++J){let ee=g>1?D*(h-1)+J*B:.5*(D+R)*(h-1);if(ee<0||ee>h-1){for(let oe=0;oe<p;oe++){let ne=oe+J*I[2]+q*I[1]+w*I[0];y.values[ne]=u}continue}let ae=Math.round(ee),se=Math.round(X);for(let oe=0;oe<p;oe++){let ne=oe+ae*v[2]+se*v[1]+N*v[0],ce=oe+J*I[2]+q*I[1]+w*I[0];y.values[ce]=b[ne]}}}}return n.makeTensorInfo(y.shape,y.dtype,y.values)}var ele={kernelName:$c,backendName:"cpu",kernelFunc:Qie};function tle(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,exclusive:o,reverse:i}=r;Ne(s,"cumsum");let l=_.getAxesPermutation([a],s.shape.length),u=s;l!=null&&(u=Dr({inputs:{x:s},backend:n,attrs:{perm:l}}));let c=_.getInnerMostAxes(1,s.shape.length)[0];if(c!==u.shape.length-1)throw new Error(`backend.cumsum in CPU expects an inner-most axis=${u.shape.length-1} but got axis=${c}`);let d=Ur(u.dtype,"int32"),h=k.makeZerosTypedArray(k.sizeFromShape(u.shape),d),p=n.data.get(u.dataId).values,f=u.shape[u.shape.length-1],m=i?(y,A)=>y+f-A-1:(y,A)=>y+A;for(let y=0;y<p.length;y+=f)for(let A=0;A<f;A++){let x=m(y,A);if(A===0)h[x]=o?0:p[x];else{let b=m(y,A-1);h[x]=o?p[b]+h[b]:p[x]+h[b]}}let g=n.makeTensorInfo(u.shape,d,h);if(l!=null){let y=_.getUndoAxesPermutation(l),A=Dr({inputs:{x:g},backend:n,attrs:{perm:y}});return n.disposeIntermediateTensorInfo(g),n.disposeIntermediateTensorInfo(u),A}return g}var nle={kernelName:sl,backendName:"cpu",kernelFunc:tle};function rle(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,weights:a}=t,{size:o,binaryOutput:i}=r;if(s.shape.length===1){let l=n.data.get(s.dataId).values,u=n.data.get(a.dataId).values,c=v5(l,u,a.dtype,a.shape,o);return n.makeTensorInfo([o],a.dtype,c)}else if(s.shape.length===2){let l=n.bufferSync(s),u=n.bufferSync(a),c=_T(l,u,o,i);return n.makeTensorInfo(c.shape,a.dtype,c.values)}throw new Error(`Error in denseBincount: input must be at most rank 2, but got rank${s.shape.length}.`)}var sle={kernelName:S1,backendName:"cpu",kernelFunc:rle};function ale(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockSize:a,dataFormat:o}=r;k.assert(o==="NHWC",()=>`Only NHWC dataFormat supported on CPU for depthToSpace. Got ${o}`),k.assert(a>1,()=>`blockSize should be > 1 for depthToSpace, but was: ${a}`);let i=s.shape[0],l=s.shape[1],u=s.shape[2],c=s.shape[3],d=l*a,h=u*a,p=c/(a*a),f=n.data.get(s.dataId).values,m=new Float32Array(i*d*h*p),g=0;for(let y=0;y<i;++y)for(let A=0;A<d;++A){let x=Math.floor(A/a),b=A%a;for(let v=0;v<h;++v){let I=Math.floor(v/a),w=v%a,S=(b*a+w)*p;for(let E=0;E<p;++E){let $=E+S+c*(I+u*(x+l*y));m[g++]=f[$]}}}return n.makeTensorInfo([i,d,h,p],s.dtype,m)}var ole={kernelName:Rc,backendName:"cpu",kernelFunc:ale};function TN(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:l,dimRoundingMode:u}=r;Ne([s,a],"depthwiseConv2DNative");let c=k.computeStrides(s.shape),d=k.computeStrides(a.shape),h=l;h==null&&(h=[1,1]),k.assert(_.eitherStridesOrDilationsAreOne(o,h),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. 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lle(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,dilations:i,pad:l,dimRoundingMode:u,filterShape:c}=r;Ne([s,a],"depthwiseConv2dNativeBackpropFilter");let d=_.computeConv2DInfo(s.shape,c,o,i,l,u,!0),{strideHeight:h,strideWidth:p,filterHeight:f,filterWidth:m}=d,g=new Jt(d.filterShape,"float32"),y=d.padInfo.left,A=d.padInfo.top,x=d.outChannels/d.inChannels,b=n.data.get(s.dataId).values,v=new Jt(s.shape,s.dtype,b),I=n.data.get(a.dataId).values,w=new Jt(a.shape,a.dtype,I);for(let S=0;S<f;++S){let E=Math.max(0,Math.ceil((A-S)/h)),D=Math.min(d.outHeight,(d.inHeight+A-S)/h);for(let $=0;$<m;++$){let R=Math.max(0,Math.ceil((y-$)/p)),N=Math.min(d.outWidth,(d.inWidth+y-$)/p);for(let M=0;M<d.outChannels;++M){let B=Math.trunc(M/x),q=M%x,X=0;for(let J=0;J<d.batchSize;++J)for(let ee=E;ee<D;++ee){let ae=S+ee*h-A;for(let se=R;se<N;++se){let oe=$+se*p-y;X+=v.get(J,ae,oe,B)*w.get(J,ee,se,M)}}g.set(X,S,$,B,q)}}}return n.makeTensorInfo(g.shape,g.dtype,g.values)}var ule={kernelName:T1,backendName:"cpu",kernelFunc:lle};function cle(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{strides:o,dilations:i,pad:l,dimRoundingMode:u,inputShape:c}=r;Ne([s,a],"depthwiseConv2DNativeBackpropInput");let d=k.computeStrides(s.shape),h=k.computeStrides(a.shape),p=_.computeConv2DInfo(c,a.shape,o,i,l,u,!0),f=new Jt(p.inShape,"float32"),m=f.values,[g,y,A]=f.strides,x=n.data.get(s.dataId).values,[b,v,I]=d,w=n.data.get(a.dataId).values,[S,E,D]=h,{batchSize:$,filterHeight:R,filterWidth:N,inChannels:M,inHeight:B,inWidth:q,outChannels:X,outHeight:J,outWidth:ee,strideHeight:ae,strideWidth:se}=p,oe=R-1-p.padInfo.top,ne=N-1-p.padInfo.left,ce=X/M;for(let he=0;he<$;++he)for(let me=0;me<M;++me)for(let be=0;be<B;++be){let Ee=be-oe,$e=Math.max(0,Math.ceil(Ee/ae)),Pe=Math.min(J,(R+Ee)/ae);for(let je=0;je<q;++je){let Be=je-ne,bt=Math.max(0,Math.ceil(Be/se)),pt=Math.min(ee,(N+Be)/se),ft=0;for(let dt=$e;dt<Pe;++dt){let xt=dt*ae-Ee;for(let Ye=bt;Ye<pt;++Ye){let Gn=Ye*se-Be,Bt=b*he+v*dt+I*Ye,or=S*(R-1-xt)+E*(N-1-Gn)+D*me;for(let bn=0;bn<ce;++bn){let zr=me*ce+bn,Rn=x[Bt+zr],Ar=w[or+bn];ft+=Rn*Ar}}}m[g*he+y*be+A*je+me]=ft}}return n.makeTensorInfo(f.shape,f.dtype,f.values)}var dle={kernelName:N1,backendName:"cpu",kernelFunc:cle};function hle(e){let{inputs:t,backend:n}=e,{x:r}=t,s=k.sizeFromShape(r.shape),a=n.data.get(r.dataId).values,o=ze([s,s],r.dtype),i=o.values;for(let u=0;u<a.length;u++)i[u*s+u]=a[u];let l=[...r.shape,...r.shape];return n.makeTensorInfo(l,o.dtype,o.values)}var ple={kernelName:C1,backendName:"cpu",kernelFunc:hle},fle={kernelName:Yp,backendName:"cpu",kernelFunc:({inputs:e,backend:t,attrs:n})=>{let{x:r,filter:s}=e,{strides:a,pad:o,dilations:i}=n,l=t,u=l.data.get(r.dataId).values,c=r.shape.length,d=l.data.get(s.dataId).values,h=s.shape.length,{batchSize:p,inHeight:f,inWidth:m,inChannels:g,outHeight:y,outWidth:A,padInfo:x,strideHeight:b,strideWidth:v,filterHeight:I,filterWidth:w,dilationHeight:S,dilationWidth:E,outShape:D}=_.computeDilation2DInfo(r.shape,s.shape,a,o,"NHWC",i),$=k.sizeFromShape(D),R=D.length,N=k.getArrayFromDType(r.dtype,$);for(let B=0;B<p;++B)for(let q=0;q<y;++q){let X=q*b-x.top;for(let J=0;J<A;++J){let ee=J*v-x.left;for(let ae=0;ae<g;++ae){let se=Number.MIN_SAFE_INTEGER;for(let ne=0;ne<I;++ne){let ce=X+ne*S;if(ce>=0&&ce<f)for(let he=0;he<w;++he){let me=ee+he*E;if(me>=0&&me<m){let be=k.locToIndex([B,ce,me,ae],c,k.computeStrides(r.shape)),Ee=k.locToIndex([ne,he,ae],h,k.computeStrides(s.shape)),$e=u[be]+d[Ee];$e>se&&(se=$e)}}}let oe=k.locToIndex([B,q,J,ae],R,k.computeStrides(D));N[oe]=se}}}return{dataId:l.write(k.toTypedArray(N,r.dtype),D,r.dtype),shape:D,dtype:r.dtype}}},mle={kernelName:$1,backendName:"cpu",kernelFunc:({inputs:e,backend:t,attrs:n})=>{let{x:r,filter:s,dy:a}=e,{strides:o,pad:i,dilations:l}=n,u=t,c=k.toNestedArray(r.shape,u.data.get(r.dataId).values),d=k.toNestedArray(s.shape,u.data.get(s.dataId).values),{batchSize:h,inHeight:p,inWidth:f,inChannels:m,outHeight:g,outWidth:y,padInfo:A,strideHeight:x,strideWidth:b,filterHeight:v,filterWidth:I,dilationHeight:w,dilationWidth:S,outShape:E}=_.computeDilation2DInfo(r.shape,s.shape,o,i,"NHWC",l);k.assert(a.rank===E.length,()=>`Error in ${$1}, dy must have the same rank as output ${E.length}, but got ${a.rank}`);let D=k.toNestedArray(E,u.data.get(a.dataId).values),$=k.makeZerosNestedTypedArray(s.shape,s.dtype);for(let N=0;N<h;++N)for(let M=0;M<g;++M){let B=M*x-A.top;for(let q=0;q<y;++q){let X=q*b-A.left;for(let J=0;J<m;++J){let ee=Number.MIN_SAFE_INTEGER,ae=0,se=0;for(let oe=0;oe<v;++oe){let ne=B+oe*w;if(ne>=0&&ne<p)for(let ce=0;ce<I;++ce){let he=X+ce*S;if(he>=0&&he<f){let me=c[N][ne][he][J]+d[oe][ce][J];me>ee&&(ee=me,ae=oe,se=ce)}}}$[ae][se][J]+=D[N][M][q][J]}}}return{dataId:u.write(k.toTypedArray($,r.dtype),s.shape,s.dtype),shape:s.shape,dtype:s.dtype}}},gle={kernelName:E1,backendName:"cpu",kernelFunc:({inputs:e,backend:t,attrs:n})=>{let{x:r,filter:s,dy:a}=e,{strides:o,pad:i,dilations:l}=n,u=t,c=k.toNestedArray(r.shape,u.data.get(r.dataId).values),d=k.toNestedArray(s.shape,u.data.get(s.dataId).values),{batchSize:h,inHeight:p,inWidth:f,inChannels:m,outHeight:g,outWidth:y,padInfo:A,strideHeight:x,strideWidth:b,filterHeight:v,filterWidth:I,dilationHeight:w,dilationWidth:S,outShape:E}=_.computeDilation2DInfo(r.shape,s.shape,o,i,"NHWC",l);k.assert(a.rank===E.length,()=>`Error in ${E1}, dy must have the same rank as output ${E.length}, but got ${a.rank}`);let D=k.toNestedArray(E,u.data.get(a.dataId).values),$=k.makeZerosNestedTypedArray(r.shape,r.dtype);for(let N=0;N<h;++N)for(let M=0;M<g;++M){let B=M*x-A.top;for(let q=0;q<y;++q){let X=q*b-A.left;for(let J=0;J<m;++J){let ee=Number.MIN_SAFE_INTEGER,ae=B<0?0:B,se=X<0?0:X;for(let oe=0;oe<v;++oe){let ne=B+oe*w;if(ne>=0&&ne<p)for(let ce=0;ce<I;++ce){let he=X+ce*S;if(he>=0&&he<f){let me=c[N][ne][he][J]+d[oe][ce][J];me>ee&&(ee=me,ae=ne,se=he)}}}$[N][ae][se][J]+=D[N][M][q][J]}}}return{dataId:u.write(k.toTypedArray($,r.dtype),r.shape,r.dtype),shape:r.shape,dtype:r.dtype}}};function Qd(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r;Ne(s,"sum");let i;s.dtype==="bool"?i=Ja({inputs:{x:s},backend:n,attrs:{dtype:"int32"}}):i=Ls({inputs:{x:s},backend:n});let 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Ale(e){let{inputs:t,backend:n,attrs:r}=e,{equation:s}=r,a=t,{allDims:o,summedDims:i,idDims:l}=_.decodeEinsumEquation(s,a.length);_.checkEinsumDimSizes(o.length,l,a);let{path:u,steps:c}=_.getEinsumComputePath(i,l),d=c.length,h=null,p=o.length,f=[];for(let m=0;m<d;++m){for(let g of c[m]){let{permutationIndices:y,expandDims:A}=_.getEinsumPermutation(p,l[g]),x;_.isIdentityPermutation(y)?x=a[g]:(x=Dr({inputs:{x:a[g]},backend:n,attrs:{perm:y}}),f.push(x));let b=x.shape.slice();for(let v=0;v<A.length;++v)b.splice(A[v],0,1);k.arraysEqual(x.shape,b)||(x=_t({inputs:{x},backend:n,attrs:{shape:b}}),f.push(x)),h===null?h=x:(h=Im({inputs:{a:x,b:h},backend:n}),f.push(h))}m<d-1&&(u[m]>=0&&(h=Qd({inputs:{x:h},backend:n,attrs:{axis:u[m]-(o.length-p),keepDims:!1}}),f.push(h)),p--)}for(let m of f)m!==h&&n.disposeIntermediateTensorInfo(m);return h}var xle={kernelName:R1,backendName:"cpu",kernelFunc:Ale};function ble(e){let{inputs:t,backend:n}=e,{dy:r,y:s}=t;Ne([r,s],"eluGrad");let a=new 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r=e.shape,s=r[0],a=r[1],o=n.data.get(e.dataId),i=o.complexTensorInfos.real,l=o.complexTensorInfos.imag,u=[s,a],c=k.sizeFromShape(u),d=k.getTypedArrayFromDType("float32",c),h=k.getTypedArrayFromDType("float32",c);for(let g=0;g<s;g++){let y=hi({inputs:{x:i},backend:n,attrs:{begin:[g,0],size:[1,a]}}),A=hi({inputs:{x:l},backend:n,attrs:{begin:[g,0],size:[1,a]}}),x=pr({inputs:{real:y,imag:A},backend:n}),{real:b,imag:v}=_le(x,t,n),I=_.mergeRealAndImagArrays(b,v);for(let w=0;w<a;w++){let S=_.getComplexWithIndex(I,w);d[g*a+w]=S.real,h[g*a+w]=S.imag}n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(A),n.disposeIntermediateTensorInfo(x)}let p=n.makeTensorInfo(u,"float32",d),f=n.makeTensorInfo(u,"float32",h),m=pr({inputs:{real:p,imag:f},backend:n});return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(f),m}function _le(e,t,n){let r=k.sizeFromShape(e.shape),s=n.data.get(e.dataId),a=n.data.get(s.complexTensorInfos.real.dataId).values,o=n.data.get(s.complexTensorInfos.imag.dataId).values;if(Dle(r)){let i=$5(a,o,r,t,n),l=[e.shape[0],e.shape[1]];if(t){let u=n.makeTensorInfo(l,"float32",i.real),c=n.makeTensorInfo(l,"float32",i.imag),d=n.makeTensorInfo([],"float32",k.createScalarValue(r,"float32")),h=Ls({inputs:{x:d},backend:n}),p=E5.kernelFunc({inputs:{a:u,b:d},backend:n}),f=E5.kernelFunc({inputs:{a:c,b:h},backend:n}),m=n.data.get(p.dataId).values,g=n.data.get(f.dataId).values;return n.disposeIntermediateTensorInfo(u),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(f),{real:m,imag:g}}return i}else{let i=_.mergeRealAndImagArrays(a,o),l=Fle(i,r,t);return _.splitRealAndImagArrays(l)}}function Dle(e){return(e&e-1)==0}function $5(e,t,n,r,s){if(n===1)return{real:e,imag:t};let a=_.mergeRealAndImagArrays(e,t),o=n/2,i=_.complexWithEvenIndex(a),l=i.real,u=i.imag,c=[l.length],d=s.makeTensorInfo(c,"float32",l),h=s.makeTensorInfo(c,"float32",u),p=pr({inputs:{real:d,imag:h},backend:s}),f=_.complexWithOddIndex(a),m=f.real,g=f.imag,y=[m.length],A=s.makeTensorInfo(y,"float32",m),x=s.makeTensorInfo(y,"float32",g),b=pr({inputs:{real:A,imag:x},backend:s}),v=$5(l,u,o,r,s),I=v.real,w=v.imag,S=[I.length],E=s.makeTensorInfo(S,"float32",I),D=s.makeTensorInfo(S,"float32",w),$=pr({inputs:{real:E,imag:D},backend:s}),R=$5(m,g,o,r,s),N=R.real,M=R.imag,B=[N.length],q=s.makeTensorInfo(B,"float32",N),X=s.makeTensorInfo(B,"float32",M),J=pr({inputs:{real:q,imag:X},backend:s}),ee=_.exponents(n,r),ae=[ee.real.length],se=s.makeTensorInfo(ae,"float32",ee.real),oe=s.makeTensorInfo(ae,"float32",ee.imag),ne=pr({inputs:{real:se,imag:oe},backend:s}),ce=Im({inputs:{a:ne,b:J},backend:s}),he=Yd({inputs:{a:$,b:ce},backend:s}),me=S5({inputs:{a:$,b:ce},backend:s}),be=di({inputs:{input:he},backend:s}),Ee=di({inputs:{input:me},backend:s}),$e=uu({inputs:{input:he},backend:s}),Pe=uu({inputs:{input:me},backend:s}),je=cu({inputs:[be,Ee],backend:s,attrs:{axis:0}}),Be=cu({inputs:[$e,Pe],backend:s,attrs:{axis:0}}),bt=s.data.get(je.dataId).values,pt=s.data.get(Be.dataId).values;return s.disposeIntermediateTensorInfo(d),s.disposeIntermediateTensorInfo(h),s.disposeIntermediateTensorInfo(p),s.disposeIntermediateTensorInfo(A),s.disposeIntermediateTensorInfo(x),s.disposeIntermediateTensorInfo(b),s.disposeIntermediateTensorInfo(E),s.disposeIntermediateTensorInfo(D),s.disposeIntermediateTensorInfo($),s.disposeIntermediateTensorInfo(q),s.disposeIntermediateTensorInfo(X),s.disposeIntermediateTensorInfo(J),s.disposeIntermediateTensorInfo(se),s.disposeIntermediateTensorInfo(oe),s.disposeIntermediateTensorInfo(ne),s.disposeIntermediateTensorInfo(ce),s.disposeIntermediateTensorInfo(he),s.disposeIntermediateTensorInfo(me),s.disposeIntermediateTensorInfo(be),s.disposeIntermediateTensorInfo($e),s.disposeIntermediateTensorInfo(Ee),s.disposeIntermediateTensorInfo(Pe),s.disposeIntermediateTensorInfo(je),s.disposeIntermediateTensorInfo(Be),{real:bt,imag:pt}}function Fle(e,t,n){let r=new Float32Array(t*2);for(let s=0;s<t;s++){let a=0,o=0;for(let i=0;i<t;i++){let 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Lle={kernelName:Mc,backendName:"cpu",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{image:r}=e,s=n,a=k.getTypedArrayFromDType(r.dtype,k.sizeFromShape(r.shape)),[o,i,l,u]=r.shape,c=s.data.get(r.dataId).values;for(let h=0;h<o;h++){let p=h*l*i*u;for(let f=0;f<i;f++){let m=f*(l*u);for(let g=0;g<l;g++){let y=g*u;for(let A=0;A<u;A++){let x=Math.round(l-g-1),b=p+m+y+A,v=c[b];if(x>=0&&x<l){let I=x*u,w=p+m+I+A;v=c[w]}a[b]=v}}}}return{dataId:s.write(a,r.shape,r.dtype),shape:r.shape,dtype:r.dtype}}},Ble=en((e,t)=>Math.floor(e/t)),Wle=xn(ul,Ble,null,"int32"),Vle={kernelName:ul,backendName:"cpu",kernelFunc:Wle};function Ule(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a,bias:o,preluActivationWeights:i}=t,{strides:l,pad:u,dataFormat:c,dilations:d,dimRoundingMode:h,activation:p,leakyreluAlpha:f}=r,m=SN({inputs:{x:s,filter:a},backend:n,attrs:{strides:l,pad:u,dataFormat:c,dilations:d,dimRoundingMode:h}});if(o){let g=m;m=Yd({inputs:{a:m,b:o},backend:n}),n.disposeIntermediateTensorInfo(g)}if(p){let g=m;m=T5(n,m,p,i,f),n.disposeIntermediateTensorInfo(g)}return m}var Hle={kernelName:Bl,backendName:"cpu",kernelFunc:Ule};function Gle(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a,bias:o,preluActivationWeights:i}=t,{strides:l,pad:u,dataFormat:c,dilations:d,dimRoundingMode:h,activation:p,leakyreluAlpha:f}=r,m=TN({inputs:{x:s,filter:a},backend:n,attrs:{strides:l,pad:u,dataFormat:c,dilations:d,dimRoundingMode:h}});if(o){let g=m;m=Yd({inputs:{a:m,b:o},backend:n}),n.disposeIntermediateTensorInfo(g)}if(p){let g=m;m=T5(n,m,p,i,f),n.disposeIntermediateTensorInfo(g)}return m}var jle={kernelName:Wl,backendName:"cpu",kernelFunc:Gle};function qle(e){let{inputs:t,backend:n}=e,{params:r,indices:s}=t,a=k.sizeFromShape(r.shape),o=s.shape,i=o[o.length-1],[l,u,c,d]=_.prepareAndValidate(r,s);if(u===0)return n.makeTensorInfo(l,r.dtype,[]);let h=n.data.get(s.dataId).values,p=n.bufferSync(r),f=WT(h,p,r.dtype,u,i,c,d,r.shape,a);return n.makeTensorInfo(l,r.dtype,f.values)}var Kle={kernelName:Pc,backendName:"cpu",kernelFunc:qle};function Xle(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,indices:a}=t,{axis:o,batchDims:i}=r;Ne([s,a],"gatherV2");let l=i;i==null&&(l=0);let u=k.sizeFromShape(a.shape),c=k.parseAxisParam(o,s.shape)[0],d=_.segment_util.collectGatherOpShapeInfo(s,a,c,l),h=_t({inputs:{x:s},backend:n,attrs:{shape:[d.batchSize,d.outerSize,d.dimSize,d.sliceSize]}}),p=_t({inputs:{x:a},backend:n,attrs:{shape:[d.batchSize,u/d.batchSize]}}),f=[d.batchSize,d.outerSize,u/d.batchSize,d.sliceSize],m=n.bufferSync(p),g=n.bufferSync(h),y=VT(g,m,f);return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p),n.makeTensorInfo(d.outputShape,y.dtype,y.values)}var Zle={kernelName:Oc,backendName:"cpu",kernelFunc:Xle};function Yle(e){let{inputs:t,backend:n}=e,{input:r}=t,s=k.sizeFromShape(r.shape),a=r.shape[r.shape.length-1],o=s/a,i=_t({inputs:{x:r},backend:n,attrs:{shape:[o,a]}}),l=NN(i,!0,n),u=_t({inputs:{x:l},backend:n,attrs:{shape:r.shape}});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(l),u}var Jle={kernelName:F1,backendName:"cpu",kernelFunc:Yle},Qle=At(zc,e=>Number.isFinite(e)?1:0,"bool"),eue={kernelName:zc,backendName:"cpu",kernelFunc:Qle},tue=At(Lc,e=>Math.abs(e)===1/0?1:0,"bool"),nue={kernelName:Lc,backendName:"cpu",kernelFunc:tue},rue=At(Bc,e=>Number.isNaN(e)?1:0,"bool"),sue={kernelName:Bc,backendName:"cpu",kernelFunc:rue};function aue(e){let{backend:t,attrs:n}=e,{start:r,stop:s,num:a}=n,o=qT(r,s,a);return t.makeTensorInfo([o.length],"float32",o)}var oue={kernelName:O1,backendName:"cpu",kernelFunc:aue},iue=At(Wc,e=>Math.log1p(e)),lue={kernelName:Wc,backendName:"cpu",kernelFunc:iue},uue=en((e,t)=>e&&t),cue=xn(Vc,uue,null,"bool"),due={kernelName:Vc,backendName:"cpu",kernelFunc:cue},hue=At(Qp,e=>e?0:1,"bool"),pue={kernelName:Qp,backendName:"cpu",kernelFunc:hue},fue=en((e,t)=>e||t),mue=xn(ef,fue,null,"bool"),gue={kernelName:ef,backendName:"cpu",kernelFunc:mue};function yue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{depthRadius:a,bias:o,alpha:i,beta:l}=r;Ne(s,"LRN");let u=s.shape[3],c=u-1,d=n.data.get(s.dataId).values,h=k.sizeFromShape(s.shape),p=new Float32Array(h);function f(m){let g=m%u,y=m-g+Math.max(0,g-a),A=m-g+Math.min(g+a,c),x=0;for(;y<=A;y++){let b=d[y];x+=b*b}return x}for(let m=0;m<h;m++){let g=f(m),y=d[m]*Math.pow(o+i*g,-l);p[m]=y}return n.makeTensorInfo(s.shape,s.dtype,p)}var Aue={kernelName:tf,backendName:"cpu",kernelFunc:yue};function xue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,y:a,dy:o}=t,{depthRadius:i,bias:l,alpha:u,beta:c}=r;Ne(o,"LRNGrad");let d=k.sizeFromShape(o.shape),h=o.shape[3],p=n.data.get(o.dataId).values,f=n.data.get(s.dataId).values,m=n.data.get(a.dataId).values,g=new Float32Array(d),y=d;for(let A=0;A<y;A++){let x=A%h,b=A-x+Math.max(0,x-i),v=A-x+Math.min(h,x+i+1),I=0;for(let w=b;w<v;w++)I+=Math.pow(f[w],2);I=u*I+l;for(let w=b;w<v;w++){let S=-2*u*c*f[w]*m[A]/I;A===w&&(S+=Math.pow(I,-c)),S*=p[A],g[w]+=S}}return n.makeTensorInfo(o.shape,s.dtype,g)}var bue={kernelName:P1,backendName:"cpu",kernelFunc:xue};function CN(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{reductionIndices:a,keepDims:o}=r,i=n,l=s.shape,u=l.length,c=k.parseAxisParam(a,l),d=c,h=_.getAxesPermutation(d,u),p=i.data.get(s.dataId).values;if(h!=null){let b=new Array(u);for(let v=0;v<b.length;v++)b[v]=l[h[v]];p=k5(p,l,s.dtype,h,b),d=_.getInnerMostAxes(d.length,u),l=b}Ne(s,"max"),_.assertAxesAreInnerMostDims("max",d,u);let[f,m]=_.computeOutAndReduceShapes(l,d),g=k.sizeFromShape(m),y=XT(p,g,f,s.dtype),A=i.write(y,f,s.dtype),x=f;return o&&(x=_.expandShapeToKeepDim(f,c)),{dataId:A,shape:x,dtype:s.dtype}}var vue={kernelName:gl,backendName:"cpu",kernelFunc:CN};function wue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;Ne(s,"maxPool");let{filterSize:a,strides:o,pad:i,dimRoundingMode:l}=r,u=1;k.assert(_.eitherStridesOrDilationsAreOne(o,u),()=>`Error in maxPool: Either strides or dilations must be 1. 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c=_.computePool3DInfo(a.shape,o,i,1,l,u),d=n.bufferSync(a),h=yie(d,c),p=c.strideDepth,f=c.strideHeight,m=c.strideWidth,g=c.dilationDepth,y=c.dilationHeight,A=c.dilationWidth,x=c.effectiveFilterDepth,b=c.effectiveFilterHeight,v=c.effectiveFilterWidth,I=x-1-c.padInfo.front,w=v-1-c.padInfo.left,S=b-1-c.padInfo.top,E=ze(a.shape,"float32"),D=n.bufferSync(s);for(let $=0;$<c.batchSize;++$)for(let R=0;R<c.inChannels;++R)for(let N=0;N<c.inDepth;++N)for(let M=0;M<c.inHeight;++M)for(let B=0;B<c.inWidth;++B){let q=N-I,X=M-S,J=B-w,ee=0;for(let ae=0;ae<x;ae+=g){let se=(q+ae)/p;if(!(se<0||se>=c.outDepth||Math.floor(se)!==se))for(let oe=0;oe<b;oe+=y){let ne=(X+oe)/f;if(!(ne<0||ne>=c.outHeight||Math.floor(ne)!==ne))for(let ce=0;ce<v;ce+=A){let he=(J+ce)/m;if(he<0||he>=c.outWidth||Math.floor(he)!==he)continue;let me=x*b*v-1-h.get($,se,ne,he,R),be=ae*b*v+oe*v+ce,Ee=me===be?1:0;if(Ee===0)continue;ee+=D.get($,se,ne,he,R)*Ee}}}E.set(ee,$,N,M,B,R)}return n.makeTensorInfo(E.shape,E.dtype,E.values)}var Nue={kernelName:L1,backendName:"cpu",kernelFunc:Tue};function Cue(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a,output:o}=t,i=a;Ne([a,o],"maxPoolGrad");let{filterSize:l,strides:u,pad:c,dimRoundingMode:d}=r,h=_.computePool2DInfo(i.shape,l,u,1,c,d),p=n.data.get(i.dataId).values,f=ze(h.outShape,i.dtype,kN(p,i.shape,i.dtype,h).values),m=h.strideHeight,g=h.strideWidth,y=h.dilationHeight,A=h.dilationWidth,x=h.effectiveFilterHeight,b=h.effectiveFilterWidth,v=b-1-h.padInfo.left,I=x-1-h.padInfo.top,w=ze(i.shape,"float32"),S=n.data.get(s.dataId).values,E=ze(s.shape,"float32",S);for(let D=0;D<h.batchSize;++D)for(let $=0;$<h.inChannels;++$)for(let R=0;R<h.inHeight;++R)for(let N=0;N<h.inWidth;++N){let M=R-I,B=N-v,q=0;for(let X=0;X<x;X+=y){let J=(M+X)/m;if(!(J<0||J>=h.outHeight||Math.floor(J)!==J))for(let ee=0;ee<b;ee+=A){let ae=(B+ee)/g;if(ae<0||ae>=h.outWidth||Math.floor(ae)!==ae)continue;let se=x*b-1-f.get(D,J,ae,$),oe=X*b+ee,ne=se===oe?1:0;if(ne===0)continue;q+=E.get(D,J,ae,$)*ne}}w.set(q,D,R,N,$)}return n.makeTensorInfo(w.shape,w.dtype,w.values)}var Eue={kernelName:z1,backendName:"cpu",kernelFunc:Cue};function $ue(e,t,n,r,s){let a=k.computeStrides(t),o=N5(e,t,n,a,s,"max"),i=kN(e,t,n,s,!0,r);return[o.values,i.values]}var Rue={kernelName:B1,backendName:"cpu",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:r}=e,{filterSize:s,strides:a,pad:o,includeBatchInIndex:i}=t,l=n;Ne(r,"MaxPoolWithArgmax");let u=l.data.get(r.dataId).values,c=_.computePool2DInfo(r.shape,s,a,[1,1],o),[d,h]=$ue(u,r.shape,r.dtype,i,c),p=l.write(d,c.outShape,r.dtype),f=l.write(h,c.outShape,r.dtype);return[{dataId:p,shape:c.outShape,dtype:r.dtype},{dataId:f,shape:c.outShape,dtype:"int32"}]}};function _ue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=k.parseAxisParam(a,s.shape),u=_.computeOutAndReduceShapes(s.shape,i)[1],c=k.sizeFromShape(u),d=[],h=n.makeTensorInfo([],"float32",new Float32Array([c]));d.push(h);let p=Ja({inputs:{x:s},backend:n,attrs:{dtype:"float32"}});d.push(p);let f=C5({inputs:{a:p,b:h},backend:n});d.push(f);let m=Qd({inputs:{x:f},backend:n,attrs:{axis:a,keepDims:o}});return d.forEach(g=>n.disposeIntermediateTensorInfo(g)),m}var Due={kernelName:Al,backendName:"cpu",kernelFunc:_ue};function Fue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r;Ne(s,"min");let i=k.parseAxisParam(a,s.shape),l=i,u=_.getAxesPermutation(l,s.shape.length),c=s;u!=null&&(c=Dr({inputs:{x:s},backend:n,attrs:{perm:u}}),l=_.getInnerMostAxes(l.length,s.shape.length)),_.assertAxesAreInnerMostDims("min",l,c.shape.length);let[d,h]=_.computeOutAndReduceShapes(c.shape,l),p=k.sizeFromShape(h),f=k.makeZerosTypedArray(k.sizeFromShape(d),c.dtype),m=n.data.get(c.dataId).values;for(let y=0;y<f.length;++y){let A=y*p,x=m[A];for(let b=0;b<p;++b){let v=m[A+b];(Number.isNaN(v)||v<x)&&(x=v)}f[y]=x}u!=null&&n.disposeIntermediateTensorInfo(c);let g=n.makeTensorInfo(d,c.dtype,f);if(o){let y=_.expandShapeToKeepDim(d,i),A=_t({inputs:{x:g},backend:n,attrs:{shape:y}});return n.disposeIntermediateTensorInfo(g),A}return g}var Mue={kernelName:xl,backendName:"cpu",kernelFunc:Fue};function Oue(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{paddings:a,mode:o}=r;Ne(s,"mirrorPad");let i=a.map((x,b)=>x[0]+s.shape[b]+x[1]),l=a.map(x=>x[0]),u=a.map((x,b)=>x[0]+s.shape[b]),c=o==="reflect"?0:1,d=n.data.get(s.dataId).values,h=s.shape.length,p=k.computeStrides(s.shape),f=k.sizeFromShape(i),m=i.length,g=k.computeStrides(i),y=k.getTypedArrayFromDType(s.dtype,f);for(let x=0;x<f;x++){let b=k.indexToLoc(x,m,g);for(let I=0;I<m;I++)b[I]<l[I]?b[I]=l[I]*2-b[I]-c:b[I]>=u[I]&&(b[I]=(u[I]-1)*2-b[I]+c);b=b.map((I,w)=>I-l[w]);let v=k.locToIndex(b,h,p);y[x]=d[v]}return{dataId:n.write(y,i,s.dtype),shape:i,dtype:s.dtype}}var Pue={kernelName:bl,backendName:"cpu",kernelFunc:Oue},zue=en((e,t)=>{let n=e%t;return e<0&&t<0||e>=0&&t>=0?n:(n+t)%t}),Lue=xn(Uc,zue),Bue={kernelName:Uc,backendName:"cpu",kernelFunc:Lue},Wue=Xs(Zg());function EN(e){let{inputs:t,backend:n,attrs:r}=e,{logits:s}=t,{dim:a}=r,o=s.shape.length,i=a;if(i===-1&&(i=o-1),i!==o-1)throw Error(`Softmax along a non-last dimension is not yet supported. 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l=i?s:EN({inputs:{logits:s},backend:n,attrs:{dim:-1}}),u=l.shape[0],c=l.shape[1],d=n.data.get(l.dataId).values,h=[u,a],p=k.makeZerosTypedArray(k.sizeFromShape(h),"int32");for(let f=0;f<u;++f){let m=f*c,g=new Float32Array(c-1);g[0]=d[m];for(let x=1;x<g.length;++x)g[x]=g[x-1]+d[m+x];let y=Wue.alea(o.toString()),A=f*a;for(let x=0;x<a;++x){let b=y();p[A+x]=g.length;for(let v=0;v<g.length;v++)if(b<g[v]){p[A+x]=v;break}}}return i||n.disposeIntermediateTensorInfo(l),n.makeTensorInfo(h,"int32",p)}var Hue={kernelName:W1,backendName:"cpu",kernelFunc:Uue},Gue=da.nonMaxSuppressionV3Impl;function jue(e){let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:l}=r;Ne(s,"NonMaxSuppression");let u=n.data.get(s.dataId).values,c=n.data.get(a.dataId).values,{selectedIndices:d}=Gue(u,c,o,i,l);return n.makeTensorInfo([d.length],"int32",new Int32Array(d))}var que={kernelName:Gc,backendName:"cpu",kernelFunc:jue},Kue=da.nonMaxSuppressionV4Impl;function Xue(e){let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:l,padToMaxOutputSize:u}=r;Ne(s,"NonMaxSuppressionPadded");let c=n.data.get(s.dataId).values,d=n.data.get(a.dataId).values,{selectedIndices:h,validOutputs:p}=Kue(c,d,o,i,l,u);return[n.makeTensorInfo([h.length],"int32",new Int32Array(h)),n.makeTensorInfo([],"int32",new Int32Array([p]))]}var Zue={kernelName:jc,backendName:"cpu",kernelFunc:Xue},Yue=da.nonMaxSuppressionV5Impl;function Jue(e){let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:l,softNmsSigma:u}=r;Ne(s,"NonMaxSuppressionWithScore");let c=n.data.get(s.dataId).values,d=n.data.get(a.dataId).values,h=o,p=i,f=l,m=u,{selectedIndices:g,selectedScores:y}=Yue(c,d,h,p,f,m);return[n.makeTensorInfo([g.length],"int32",new Int32Array(g)),n.makeTensorInfo([y.length],"float32",new Float32Array(y))]}var Que={kernelName:qc,backendName:"cpu",kernelFunc:Jue};function ece(e){let{inputs:t,backend:n,attrs:r}=e,{indices:s}=t,{depth:a,onValue:o,offValue:i}=r;Ne(s,"oneHot");let l=k.sizeFromShape(s.shape),u=new Float32Array(l*a);u.fill(i);let c=n.data.get(s.dataId).values;for(let d=0;d<l;++d)c[d]>=0&&c[d]<a&&(u[d*a+c[d]]=o);return n.makeTensorInfo([...s.shape,a],"int32",u)}var tce={kernelName:wl,backendName:"cpu",kernelFunc:ece};function Tm(e){let{inputs:t,backend:n}=e,{x:r}=t;if(r.dtype==="string")throw new Error("zerosLike is not supported for string tensors");if(r.dtype==="complex64"){let s=di({inputs:{input:r},backend:n}),a=Tm({inputs:{x:s},backend:n}),o=uu({inputs:{input:r},backend:n}),i=Tm({inputs:{x:o},backend:n}),l=pr({inputs:{real:a,imag:i},backend:n});return n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(i),l}else return R5({backend:n,attrs:{shape:r.shape,value:0,dtype:r.dtype}})}var nce={kernelName:hd,backendName:"cpu",kernelFunc:Tm};function $N(e){let{inputs:t,backend:n}=e,{x:r}=t;if(r.dtype==="string")throw new Error("onesLike is not supported for string tensors");if(r.dtype==="complex64"){let s=di({inputs:{input:r},backend:n}),a=$N({inputs:{x:s},backend:n}),o=uu({inputs:{input:r},backend:n}),i=Tm({inputs:{x:o},backend:n}),l=pr({inputs:{real:a,imag:i},backend:n});return n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(i),l}else return R5({backend:n,attrs:{shape:r.shape,value:1,dtype:r.dtype}})}var rce={kernelName:Kc,backendName:"cpu",kernelFunc:$N};function RN(e){let{inputs:t,backend:n,attrs:r}=e,{axis:s}=r;if(t.length===1)return Sm({inputs:{input:t[0]},backend:n,attrs:{dim:s}});let a=t[0].shape,o=t[0].dtype;t.forEach(c=>{k.assertShapesMatch(a,c.shape,"All tensors passed to stack must have matching shapes"),k.assert(o===c.dtype,()=>"All tensors passed to stack must have matching dtypes")});let i=[],l=t.map(c=>{let 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t.makeTensorInfo([i.length],a,i)}var cce={kernelName:rf,backendName:"cpu",kernelFunc:uce},dce=At(Yc,e=>1/e),hce={kernelName:Yc,backendName:"cpu",kernelFunc:dce};function pce(e){let{inputs:t,backend:n,attrs:r}=e,{images:s}=t,{alignCorners:a,halfPixelCenters:o,size:i}=r;Ne(s,"resizeBilinear");let l=k.computeStrides(s.shape),[u,c]=i,[d,h,p,f]=s.shape,m=n.data.get(s.dataId).values,g=new Float32Array(k.sizeFromShape([d,u,c,f])),y=[a&&u>1?h-1:h,a&&c>1?p-1:p],A=[a&&u>1?u-1:u,a&&c>1?c-1:c],x=0,b=y[0]/A[0],v=y[1]/A[1];for(let I=0;I<d;I++)for(let w=0;w<u;w++){let S;o?S=b*(w+.5)-.5:S=b*w;let E=Math.max(0,Math.floor(S)),D=S-E,$=Math.min(h-1,Math.ceil(S)),R=I*l[0]+E*l[1],N=I*l[0]+$*l[1];for(let M=0;M<c;M++){let B;o?B=v*(M+.5)-.5:B=v*M;let q=Math.max(0,Math.floor(B)),X=B-q,J=Math.min(p-1,Math.ceil(B)),ee=R+q*l[2],ae=N+q*l[2],se=R+J*l[2],oe=N+J*l[2];for(let ne=0;ne<f;ne++){let ce=m[ee+ne],he=m[ae+ne],me=m[se+ne],be=m[oe+ne],Ee=ce+(me-ce)*X,$e=he+(be-he)*X,Pe=Ee+($e-Ee)*D;g[x++]=Pe}}}return 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nde={kernelName:id,backendName:"cpu",kernelFunc:tde},rde=At(Dl,e=>Math.sqrt(e)),sde={kernelName:Dl,backendName:"cpu",kernelFunc:rde},ade={kernelName:af,backendName:"cpu",kernelFunc:({inputs:e,backend:t})=>{let{x:n}=e,r=t;Ne(n,"square");let s=r.data.get(n.dataId).values,a=new Float32Array(s.length);for(let i=0;i<s.length;++i){let l=s[i];a[i]=l*l}return{dataId:r.write(a,n.shape,n.dtype),shape:n.shape,dtype:n.dtype}}},ode=At(Bo,(e,t)=>{let n=t;return isNaN(e)?NaN:e>0?1:n.alpha}),ide={kernelName:Bo,backendName:"cpu",kernelFunc:ode};function lde(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{begin:a,end:o,strides:i,beginMask:l,endMask:u,ellipsisMask:c,newAxisMask:d,shrinkAxisMask:h}=r;Ne(s,"stridedSlice");let{nonStrided:p,$begin:f,$strides:m,size:g,newShape:y,outShape:A}=Cn.sliceInfo(s.shape,a,o,i,l,u,c,d,h),x=_t({inputs:{x:s},backend:n,attrs:{shape:y}}),b;if(p){let 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r=1,s=1;e.texImage2D(e.TEXTURE_2D,0,t.internalFormatFloat,r,s,0,t.textureFormatFloat,t.textureTypeFloat,null);let a=e.createFramebuffer();e.bindFramebuffer(e.FRAMEBUFFER,a),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,n,0);let o=e.checkFramebufferStatus(e.FRAMEBUFFER)===e.FRAMEBUFFER_COMPLETE;return e.bindTexture(e.TEXTURE_2D,null),e.bindFramebuffer(e.FRAMEBUFFER,null),e.deleteTexture(n),e.deleteFramebuffer(a),o}function Qde(e,t){let n=D5(e,t),r=e.createTexture();e.bindTexture(e.TEXTURE_2D,r);let s=1,a=1;e.texImage2D(e.TEXTURE_2D,0,n.internalFormatHalfFloat,s,a,0,n.textureFormatFloat,n.textureTypeHalfFloat,null);let o=e.createFramebuffer();e.bindFramebuffer(e.FRAMEBUFFER,o),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,r,0);let i=e.checkFramebufferStatus(e.FRAMEBUFFER)===e.FRAMEBUFFER_COMPLETE;return e.bindTexture(e.TEXTURE_2D,null),e.bindFramebuffer(e.FRAMEBUFFER,null),e.deleteTexture(r),e.deleteFramebuffer(o),i}function oC(e){return 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      bool isnan_custom(float val) {
        return (val > 0.0 || val < 0.0) ? false : val != 0.0;
      }

      bvec4 isnan_custom(vec4 val) {
        return bvec4(isnan_custom(val.x),
          isnan_custom(val.y), isnan_custom(val.z), isnan_custom(val.w));
      }

      #define isnan(value) isnan_custom(value)
    `,l="",u=`
      #define round(value) newRound(value)
      int newRound(float value) {
        return int(floor(value + 0.5));
      }

      ivec4 newRound(vec4 value) {
        return ivec4(floor(value + vec4(0.5)));
      }
    `):(e="",t="attribute",n="varying",r="varying",s="texture2D",a="gl_FragColor",o="",i=`
      #define isnan(value) isnan_custom(value)
      bool isnan_custom(float val) {
        return (val > 0. || val < 1. || val == 0.) ? false : true;
      }
      bvec4 isnan_custom(vec4 val) {
        return bvec4(isnan(val.x), isnan(val.y), isnan(val.z), isnan(val.w));
      }
    `,l=`
      uniform float INFINITY;

      bool isinf(float val) {
        return abs(val) == INFINITY;
      }
      bvec4 isinf(vec4 val) {
        return equal(abs(val), vec4(INFINITY));
      }
    `,u=`
      int round(float value) {
        return int(floor(value + 0.5));
      }

      ivec4 round(vec4 value) {
        return ivec4(floor(value + vec4(0.5)));
      }
    `),{version:e,attribute:t,varyingVs:n,varyingFs:r,texture2D:s,output:a,defineOutput:o,defineSpecialNaN:i,defineSpecialInf:l,defineRound:u}}function gi(e,t,n="index"){let r=k.computeStrides(t);return r.map((s,a)=>{let o=`int ${e[a]} = ${n} / ${s}`,i=a===r.length-1?`int ${e[a+1]} = ${n} - ${e[a]} * ${s}`:`index -= ${e[a]} * ${s}`;return`${o}; ${i};`}).join("")}function iC(e,t,n="index"){let r=k.computeStrides(t);return r.map((s,a)=>{let o=`int ${e[a]} = ${n} / outShapeStrides[${a}]`,i=a===r.length-1?`int ${e[a+1]} = ${n} - ${e[a]} * outShapeStrides[${a}]`:`index -= ${e[a]} * outShapeStrides[${a}]`;return`${o}; ${i};`}).join("")}function z5(e){let t=k.computeStrides(e).map(n=>n.toString());return`
  int getFlatIndex(ivec3 coords) {
    return coords.x * ${t[0]} + coords.y * ${t[1]} + coords.z;
  }
`}var lC=`
  const float FLOAT_MAX = 1.70141184e38;
  const float FLOAT_MIN = 1.17549435e-38;

  lowp vec4 encode_float(highp float v) {
    if (isnan(v)) {
      return vec4(255, 255, 255, 255);
    }

    highp float av = abs(v);

    if(av < FLOAT_MIN) {
      return vec4(0.0, 0.0, 0.0, 0.0);
    } else if(v > FLOAT_MAX) {
      return vec4(0.0, 0.0, 128.0, 127.0) / 255.0;
    } else if(v < -FLOAT_MAX) {
      return vec4(0.0, 0.0,  128.0, 255.0) / 255.0;
    }

    highp vec4 c = vec4(0,0,0,0);

    highp float e = floor(log2(av));
    highp float m = exp2(fract(log2(av))) - 1.0;

    c[2] = floor(128.0 * m);
    m -= c[2] / 128.0;
    c[1] = floor(32768.0 * m);
    m -= c[1] / 32768.0;
    c[0] = floor(8388608.0 * m);

    highp float ebias = e + 127.0;
    c[3] = floor(ebias / 2.0);
    ebias -= c[3] * 2.0;
    c[2] += floor(ebias) * 128.0;

    c[3] += 128.0 * step(0.0, -v);

    return c / 255.0;
  }
`,ehe=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outPackingScheme=th.DENSE;let t=rh(e),n=Wn();this.outputShape=e,this.userCode=`
      ivec3 outCoordsFromFlatIndex(int index) {
        ${gi(["r","c","d"],e)}
        return ivec3(r, c, d);
      }

      void main() {
        ivec2 resTexRC = ivec2(resultUV.yx *
          vec2(${t[0]}, ${t[1]}));
        int index = 4 * (resTexRC.x * ${t[1]} + resTexRC.y);

        vec4 result = vec4(0.);

        for (int i=0; i<4; i++) {
          int flatIndex = index + i;
          ivec3 rc = outCoordsFromFlatIndex(flatIndex);
          result[i] = getA(rc.x, rc.y, rc.z);
        }

        ${n.output} = result;
      }
    `}},the=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=th.DENSE;let t=rh(e),n=Wn();this.outputShape=e,this.userCode=`
      ivec3 outCoordsFromFlatIndex(int index) {
        ${gi(["r","c","d"],e)}
        return ivec3(r, c, d);
      }

      void main() {
        ivec2 resTexRC = ivec2(resultUV.yx *
          vec2(${t[0]}, ${t[1]}));
        int index = 4 * (resTexRC.x * ${t[1]} + resTexRC.y);

        vec4 result = vec4(0.);

        for (int i=0; i<4; i++) {
          int flatIndex = index + i;
          ivec3 rc = outCoordsFromFlatIndex(flatIndex);
          result[i] = getChannel(getA(rc.x, rc.y, rc.z), vec2(rc.y, rc.z));
        }

        ${n.output} = result;
      }
    `}},nhe=class{constructor(e){this.variableNames=["A"],this.outTexUsage=Fr.DOWNLOAD;let t=Wn();this.outputShape=e,this.userCode=`
      ${lC}

      void main() {
        float x = getAAtOutCoords();
        ${t.output} = encode_float(x);
      }
    `}},rhe=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=Fr.DOWNLOAD;let t=Wn();this.outputShape=e,this.userCode=`
      ${lC}

      void main() {
        ivec3 coords = getOutputCoords();
        float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));
        ${t.output} = encode_float(x);
      }
    `}},she=class{constructor(e,t,n=!1){this.variableNames=["A"];let r=Wn(),[s,a]=t;this.outputShape=e;let o="result";n&&(o="floor(result * 255. + 0.5)"),this.userCode=`
      ${z5(e)}

      void main() {
        ivec3 coords = getOutputCoords();

        int flatIndex = getFlatIndex(coords);
        int offset = imod(flatIndex, 4);

        flatIndex = idiv(flatIndex, 4, 1.);

        int r = flatIndex / ${a};
        int c = imod(flatIndex, ${a});
        vec2 uv = (vec2(c, r) + halfCR) / vec2(${a}.0, ${s}.0);
        vec4 values = ${r.texture2D}(A, uv);

        float result;

        if(offset == 0) {
          result = values[0];
        } else if(offset == 1) {
          result = values[1];
        } else if(offset == 2) {
          result = values[2];
        } else {
          result = values[3];
        }

        ${r.output} = vec4(${o}, 0., 0., 0.);
      }
    `}},ahe=class{constructor(e,t,n=!1){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let r=Wn(),[s,a]=t;this.outputShape=e;let o="",i="result";n&&(i="floor(result * 255. + 0.5)");for(let l=0;l<=1;l++)for(let u=0;u<=1;u++){let c=l*2+u;o+=`
          localCoords = coords;
          if(localCoords[2] + ${u} < ${e[2]}) {
            localCoords[2] += ${u};
            if(localCoords[1] + ${l} < ${e[1]}) {
              localCoords[1] += ${l};

              flatIndex = getFlatIndex(localCoords);
              offset = imod(flatIndex, 4);

              flatIndex = idiv(flatIndex, 4, 1.);

              r = flatIndex / ${a};
              c = imod(flatIndex, ${a});
              uv = (vec2(c, r) + halfCR) / vec2(${a}.0, ${s}.0);
              values = ${r.texture2D}(A, uv);

              if(offset == 0) {
                result[${c}] = values[0];
              } else if(offset == 1) {
                result[${c}] = values[1];
              } else if(offset == 2) {
                result[${c}] = values[2];
              } else {
                result[${c}] = values[3];
              }
            }
          }
        `}this.userCode=`
      ${z5(e)}

      void main() {
        ivec3 coords = getOutputCoords();

        vec4 result = vec4(0.);
        int flatIndex, r, c, offset;
        ivec3 localCoords;
        vec2 uv;
        vec4 values;

        ${o}

        ${r.output} = ${i};
      }
    `}},uC={};_e(uC,{bindVertexProgramAttributeStreams:()=>AC,createBufferFromOutputTexture:()=>vC,createFloat16MatrixTexture:()=>fC,createFloat16PackedMatrixTexture:()=>yC,createFloat32MatrixTexture:()=>pC,createIndexBuffer:()=>hC,createPackedMatrixTexture:()=>gC,createUnsignedBytesMatrixTexture:()=>mC,createVertexBuffer:()=>dC,createVertexShader:()=>cC,downloadByteEncodedFloatMatrixFromOutputTexture:()=>kC,downloadFloat32MatrixFromBuffer:()=>wC,downloadMatrixFromPackedOutputTexture:()=>SC,downloadPackedMatrixFromBuffer:()=>IC,getInternalFormatForFloat16MatrixTexture:()=>B5,getInternalFormatForFloat16PackedMatrixTexture:()=>U5,getInternalFormatForFloat32MatrixTexture:()=>L5,getInternalFormatForPackedMatrixTexture:()=>V5,getInternalFormatForUnsignedBytesMatrixTexture:()=>W5,uploadDenseMatrixToTexture:()=>xC,uploadPixelDataToTexture:()=>bC});function cC(e){let t=Wn(),n=`${t.version}
    precision highp float;
    ${t.attribute} vec3 clipSpacePos;
    ${t.attribute} vec2 uv;
    ${t.varyingVs} vec2 resultUV;

    void main() {
      gl_Position = vec4(clipSpacePos, 1);
      resultUV = uv;
    }`;return LN(e,n)}function dC(e){let t=new Float32Array([-1,1,0,0,1,-1,-1,0,0,0,1,1,0,1,1,1,-1,0,1,0]);return UN(e,t)}function hC(e){let t=new Uint16Array([0,1,2,2,1,3]);return HN(e,t)}function ih(e,t,n,r,s,a){jN(t,n);let o=GN(e),i=e.TEXTURE_2D;return Ie(e,()=>e.bindTexture(i,o)),Ie(e,()=>e.texParameteri(i,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE)),Ie(e,()=>e.texParameteri(i,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)),Ie(e,()=>e.texParameteri(i,e.TEXTURE_MIN_FILTER,e.NEAREST)),Ie(e,()=>e.texParameteri(i,e.TEXTURE_MAG_FILTER,e.NEAREST)),Ie(e,()=>e.texImage2D(i,0,r,t,n,0,s,a,null)),Ie(e,()=>e.bindTexture(e.TEXTURE_2D,null)),o}function L5(e){return e.internalFormatFloat}function pC(e,t,n,r){let[s,a]=nh(t,n);return ih(e,s,a,L5(r),r.textureFormatFloat,e.FLOAT)}function B5(e){return e.internalFormatHalfFloat}function fC(e,t,n,r){let[s,a]=nh(t,n);return ih(e,s,a,B5(r),r.textureFormatFloat,r.textureTypeHalfFloat)}function W5(e){return e.downloadTextureFormat}function mC(e,t,n,r){let[s,a]=nh(t,n);return ih(e,s,a,W5(r),e.RGBA,e.UNSIGNED_BYTE)}function V5(e){return e.internalFormatPackedFloat}function gC(e,t,n,r){let[s,a]=du(t,n);return ih(e,s,a,V5(r),e.RGBA,e.FLOAT)}function U5(e){return e.internalFormatPackedHalfFloat}function yC(e,t,n,r){let[s,a]=du(t,n);return ih(e,s,a,U5(r),e.RGBA,r.textureTypeHalfFloat)}function AC(e,t,n){let r=0,s=3*4,a=3*4+2*4;return Ie(e,()=>e.bindBuffer(e.ARRAY_BUFFER,n)),F5(e,t,"clipSpacePos",n,3,a,r)&&F5(e,t,"uv",n,2,a,s)}function xC(e,t,n,r,s,a){Ie(e,()=>e.bindTexture(e.TEXTURE_2D,t));let o,i,l;s instanceof Uint8Array?(o=new Uint8Array(n*r*4),i=e.UNSIGNED_BYTE,l=e.RGBA):(o=new Float32Array(n*r*4),i=e.FLOAT,l=a.internalFormatPackedFloat),o.set(s),Ie(e,()=>e.texImage2D(e.TEXTURE_2D,0,l,n,r,0,e.RGBA,i,o)),Ie(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function bC(e,t,n){Ie(e,()=>e.bindTexture(e.TEXTURE_2D,t)),n.data instanceof Uint8Array?Ie(e,()=>e.texImage2D(e.TEXTURE_2D,0,e.RGBA,n.width,n.height,0,e.RGBA,e.UNSIGNED_BYTE,n.data)):Ie(e,()=>e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,n)),Ie(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function vC(e,t,n,r){let s=e.createBuffer();Ie(e,()=>e.bindBuffer(e.PIXEL_PACK_BUFFER,s));let i=4*4*t*n;return Ie(e,()=>e.bufferData(e.PIXEL_PACK_BUFFER,i,e.STREAM_READ)),Ie(e,()=>e.readPixels(0,0,n,t,e.RGBA,e.FLOAT,0)),Ie(e,()=>e.bindBuffer(e.PIXEL_PACK_BUFFER,null)),s}function wC(e,t,n){let r=e,s=new Float32Array(n);return r.bindBuffer(r.PIXEL_PACK_BUFFER,t),r.getBufferSubData(r.PIXEL_PACK_BUFFER,0,s),r.bindBuffer(r.PIXEL_PACK_BUFFER,null),s}function kC(e,t,n,r){let[s,a]=nh(t,n),o=4,i=new Uint8Array(Wde(t*n,o));return Ie(e,()=>e.readPixels(0,0,s,a,r.downloadTextureFormat,e.UNSIGNED_BYTE,i)),new Float32Array(i.buffer)}function IC(e,t,n,r,s,a,o,i){let l=e,u=new Float32Array(Vde(a,o));return l.bindBuffer(l.PIXEL_PACK_BUFFER,t),l.getBufferSubData(l.PIXEL_PACK_BUFFER,0,u),l.bindBuffer(l.PIXEL_PACK_BUFFER,null),u}function SC(e,t,n){let r=new Float32Array(t*n*4);return Ie(e,()=>e.readPixels(0,0,n,t,e.RGBA,e.FLOAT,r)),r}var Fm=class{constructor(e){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];let t=re().getNumber("WEBGL_VERSION");e!=null?(this.gl=e,Nm(t,e)):this.gl=Bs(t);let n="WEBGL_color_buffer_float",r="EXT_color_buffer_half_float";if(re().getNumber("WEBGL_VERSION")===1){let s="OES_texture_float",a="OES_texture_half_float";if(this.textureFloatExtension=sh(this.gl,s),Mr(this.gl,a))this.textureHalfFloatExtension=sh(this.gl,a);else if(re().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support half float textures, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");if(this.colorBufferFloatExtension=this.gl.getExtension(n),Mr(this.gl,r))this.colorBufferHalfFloatExtension=sh(this.gl,r);else if(re().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support color renderable half floats, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.")}else if(n="EXT_color_buffer_float",Mr(this.gl,n))this.colorBufferFloatExtension=this.gl.getExtension(n);else if(Mr(this.gl,r))this.colorBufferHalfFloatExtension=this.gl.getExtension(r);else throw new Error("GL context does not support color renderable floats");this.vertexBuffer=dC(this.gl),this.indexBuffer=hC(this.gl),this.framebuffer=qN(this.gl),this.textureConfig=D5(this.gl,this.textureHalfFloatExtension)}get debug(){return re().getBool("DEBUG")}dispose(){if(this.disposed)return;this.program!=null&&console.warn("Disposing a GPGPUContext that still has a bound WebGLProgram. This is probably a resource leak, delete the program with GPGPUContext.deleteProgram before disposing."),this.outputTexture!=null&&console.warn("Disposing a GPGPUContext that still has a bound output matrix texture.  This is probably a resource leak, delete the output matrix texture with GPGPUContext.deleteMatrixTexture before disposing.");let e=this.gl;Ie(e,()=>e.finish()),Ie(e,()=>e.bindFramebuffer(e.FRAMEBUFFER,null)),Ie(e,()=>e.deleteFramebuffer(this.framebuffer)),Ie(e,()=>e.bindBuffer(e.ARRAY_BUFFER,null)),Ie(e,()=>e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null)),Ie(e,()=>e.deleteBuffer(this.indexBuffer)),this.disposed=!0}createFloat32MatrixTexture(e,t){return this.throwIfDisposed(),pC(this.gl,e,t,this.textureConfig)}createFloat16MatrixTexture(e,t){return this.throwIfDisposed(),fC(this.gl,e,t,this.textureConfig)}createUnsignedBytesMatrixTexture(e,t){return this.throwIfDisposed(),mC(this.gl,e,t,this.textureConfig)}uploadPixelDataToTexture(e,t){this.throwIfDisposed(),bC(this.gl,e,t)}uploadDenseMatrixToTexture(e,t,n,r){this.throwIfDisposed(),xC(this.gl,e,t,n,r,this.textureConfig)}createFloat16PackedMatrixTexture(e,t){return this.throwIfDisposed(),yC(this.gl,e,t,this.textureConfig)}createPackedMatrixTexture(e,t){return this.throwIfDisposed(),gC(this.gl,e,t,this.textureConfig)}deleteMatrixTexture(e){this.throwIfDisposed(),this.outputTexture===e&&(M5(this.gl,this.framebuffer),this.outputTexture=null),Ie(this.gl,()=>this.gl.deleteTexture(e))}downloadByteEncodedFloatMatrixFromOutputTexture(e,t,n){return this.downloadMatrixDriver(e,()=>kC(this.gl,t,n,this.textureConfig))}downloadPackedMatrixFromBuffer(e,t,n,r,s,a){return IC(this.gl,e,t,n,r,s,a,this.textureConfig)}downloadFloat32MatrixFromBuffer(e,t){return wC(this.gl,e,t)}createBufferFromTexture(e,t,n){this.bindTextureToFrameBuffer(e);let r=vC(this.gl,t,n,this.textureConfig);return this.unbindTextureToFrameBuffer(),r}createAndWaitForFence(){let e=this.createFence(this.gl);return this.pollFence(e)}createFence(e){let t,n;if(re().getBool("WEBGL_FENCE_API_ENABLED")){let r=e,s=r.fenceSync(r.SYNC_GPU_COMMANDS_COMPLETE,0);e.flush(),n=()=>{let a=r.clientWaitSync(s,0,0);return a===r.ALREADY_SIGNALED||a===r.CONDITION_SATISFIED},t=s}else re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(t=this.beginQuery(),this.endQuery(),n=()=>this.isQueryAvailable(t,re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))):n=()=>!0;return{query:t,isFencePassed:n}}downloadMatrixFromPackedTexture(e,t,n){return this.downloadMatrixDriver(e,()=>SC(this.gl,t,n))}createProgram(e){this.throwIfDisposed();let t=this.gl,n=BN(t,e);this.vertexShader==null&&(this.vertexShader=cC(t));let r=WN(t);return Ie(t,()=>t.attachShader(r,this.vertexShader)),Ie(t,()=>t.attachShader(r,n)),VN(t,r),this.debug&&Cm(t,r),this.vertexAttrsAreBound||(this.setProgram(r),this.vertexAttrsAreBound=AC(t,this.program,this.vertexBuffer)),r}deleteProgram(e){this.throwIfDisposed(),e===this.program&&(this.program=null),e!=null&&Ie(this.gl,()=>this.gl.deleteProgram(e))}setProgram(e){this.throwIfDisposed(),this.program=e,this.program!=null&&this.debug&&Cm(this.gl,this.program),Ie(this.gl,()=>this.gl.useProgram(e))}getUniformLocation(e,t,n=!0){return this.throwIfDisposed(),n?XN(this.gl,e,t):ZN(this.gl,e,t)}getAttributeLocation(e,t){return this.throwIfDisposed(),Ie(this.gl,()=>this.gl.getAttribLocation(e,t))}getUniformLocationNoThrow(e,t){return this.throwIfDisposed(),this.gl.getUniformLocation(e,t)}setInputMatrixTexture(e,t,n){this.throwIfDisposed(),this.throwIfNoProgram(),YN(this.gl,e,t,n)}setOutputMatrixTexture(e,t,n){this.setOutputMatrixTextureDriver(e,n,t)}setOutputPackedMatrixTexture(e,t,n){this.throwIfDisposed();let[r,s]=du(t,n);this.setOutputMatrixTextureDriver(e,r,s)}setOutputMatrixWriteRegion(e,t,n,r){this.setOutputMatrixWriteRegionDriver(n,e,r,t)}setOutputPackedMatrixWriteRegion(e,t,n,r){throw new Error("setOutputPackedMatrixWriteRegion not implemented.")}debugValidate(){this.program!=null&&Cm(this.gl,this.program),ah(this.gl)}executeProgram(){this.throwIfDisposed(),this.throwIfNoProgram();let e=this.gl;this.debug&&this.debugValidate(),Ie(e,()=>e.drawElements(e.TRIANGLES,6,e.UNSIGNED_SHORT,0))}blockUntilAllProgramsCompleted(){this.throwIfDisposed(),Ie(this.gl,()=>this.gl.finish())}getQueryTimerExtension(){return this.disjointQueryTimerExtension==null&&(this.disjointQueryTimerExtension=sh(this.gl,re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")===2?"EXT_disjoint_timer_query_webgl2":"EXT_disjoint_timer_query")),this.disjointQueryTimerExtension}getQueryTimerExtensionWebGL2(){return this.getQueryTimerExtension()}getQueryTimerExtensionWebGL1(){return this.getQueryTimerExtension()}beginQuery(){if(re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")===2){let n=this.gl,r=this.getQueryTimerExtensionWebGL2(),s=n.createQuery();return n.beginQuery(r.TIME_ELAPSED_EXT,s),s}let e=this.getQueryTimerExtensionWebGL1(),t=e.createQueryEXT();return e.beginQueryEXT(e.TIME_ELAPSED_EXT,t),t}endQuery(){if(re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")===2){let t=this.gl,n=this.getQueryTimerExtensionWebGL2();t.endQuery(n.TIME_ELAPSED_EXT);return}let e=this.getQueryTimerExtensionWebGL1();e.endQueryEXT(e.TIME_ELAPSED_EXT)}async waitForQueryAndGetTime(e){return await k.repeatedTry(()=>this.disposed||this.isQueryAvailable(e,re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))),this.getQueryTime(e,re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))}getQueryTime(e,t){if(t===0)return null;if(t===2){let n=this.gl;return n.getQueryParameter(e,n.QUERY_RESULT)/1e6}else{let n=this.getQueryTimerExtensionWebGL1();return n.getQueryObjectEXT(e,n.QUERY_RESULT_EXT)/1e6}}isQueryAvailable(e,t){if(t===0)return!0;if(t===2){let n=this.gl,r=this.getQueryTimerExtensionWebGL2(),s=n.getQueryParameter(e,n.QUERY_RESULT_AVAILABLE);return this.disjoint==null&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),s&&!this.disjoint}else{let n=this.getQueryTimerExtensionWebGL1(),r=n.getQueryObjectEXT(e,n.QUERY_RESULT_AVAILABLE_EXT);return this.disjoint==null&&(this.disjoint=this.gl.getParameter(n.GPU_DISJOINT_EXT)),r&&!this.disjoint}}pollFence(e){return new Promise(t=>{this.addItemToPoll(()=>e.isFencePassed(),()=>t())})}pollItems(){let e=ohe(this.itemsToPoll.map(t=>t.isDoneFn));for(let t=0;t<=e;++t){let{resolveFn:n}=this.itemsToPoll[t];n()}this.itemsToPoll=this.itemsToPoll.slice(e+1)}addItemToPoll(e,t){this.itemsToPoll.push({isDoneFn:e,resolveFn:t}),!(this.itemsToPoll.length>1)&&k.repeatedTry(()=>(this.pollItems(),this.itemsToPoll.length===0))}bindTextureToFrameBuffer(e){this.throwIfDisposed(),Em(this.gl,e,this.framebuffer),this.debug&&ah(this.gl)}unbindTextureToFrameBuffer(){this.outputTexture!=null?(Em(this.gl,this.outputTexture,this.framebuffer),this.debug&&ah(this.gl)):M5(this.gl,this.framebuffer)}downloadMatrixDriver(e,t){this.bindTextureToFrameBuffer(e);let n=t();return this.unbindTextureToFrameBuffer(),n}setOutputMatrixTextureDriver(e,t,n){this.throwIfDisposed();let r=this.gl;Em(r,e,this.framebuffer),this.debug&&ah(r),this.outputTexture=e,Ie(r,()=>r.viewport(0,0,t,n)),Ie(r,()=>r.scissor(0,0,t,n))}setOutputMatrixWriteRegionDriver(e,t,n,r){this.throwIfDisposed(),Ie(this.gl,()=>this.gl.scissor(e,t,n,r))}throwIfDisposed(){if(this.disposed)throw new Error("Attempted to use disposed GPGPUContext.")}throwIfNoProgram(){if(this.program==null)throw new Error("No GPU program is currently set.")}};function ohe(e){let t=0;for(;t<e.length&&e[t]();++t);return t-1}var{getBroadcastDims:TC}=_;function ihe(e,t,n){let r=[];if(e.forEach(p=>{let f=k.sizeFromShape(p.shapeInfo.logicalShape);if(p.shapeInfo.isUniform?r.push(`uniform float ${p.name}${f>1?`[${f}]`:""};`):(r.push(`uniform sampler2D ${p.name};`),r.push(`uniform int offset${p.name};`)),n.enableShapeUniforms){let{uniformShape:m}=H5(n.packedInputs,p.shapeInfo.logicalShape,p.shapeInfo.texShape);switch(m.length){case 1:r.push(`uniform int ${p.name}Shape;`);break;case 2:r.push(`uniform ivec2 ${p.name}Shape;`);break;case 3:r.push(`uniform ivec3 ${p.name}Shape;`);break;case 4:r.push(`uniform ivec4 ${p.name}Shape;`);break;default:break}r.push(`uniform ivec2 ${p.name}TexShape;`)}}),n.enableShapeUniforms){switch(t.logicalShape.length){case 1:r.push("uniform int outShape;");break;case 2:r.push("uniform ivec2 outShape;"),r.push("uniform int outShapeStrides;");break;case 3:r.push("uniform ivec3 outShape;"),r.push("uniform ivec2 outShapeStrides;");break;case 4:r.push("uniform ivec4 outShape;"),r.push("uniform ivec3 outShapeStrides;");break;default:break}r.push("uniform ivec2 outTexShape;")}n.customUniforms&&n.customUniforms.forEach(p=>{r.push(`uniform ${p.type} ${p.name}${p.arrayIndex?`[${p.arrayIndex}]`:""};`)});let s=r.join(`
`),a=e.map(p=>lhe(p,t,n.packedInputs,n.enableShapeUniforms)).join(`
`),o=t.texShape,i=Wn(),l=dhe(i),u,c,d=fhe(i);return t.isPacked?(u=uhe(t.logicalShape,o,n.enableShapeUniforms),c=phe(i)):(u=che(t.logicalShape,o,n.enableShapeUniforms),c=hhe(i)),n.packedInputs&&(d+=Ahe),[d,l,c,s,u,a,n.userCode].join(`
`)}function pu(e,t=!1){let n=e.shapeInfo.logicalShape;switch(n.length){case 0:return $he(e,t);case 1:return _he(e,t);case 2:return Fhe(e,t);case 3:return Ohe(e,t);case 4:return zhe(e,t);case 5:return Lhe(e);case 6:return Bhe(e);default:throw new Error(`${n.length}-D input sampling is not yet supported`)}}function NC(e,t){switch(e.shapeInfo.logicalShape.length){case 0:return Ehe(e);case 1:return Rhe(e,t);case 2:return Dhe(e,t);case 3:return Mhe(e,t);default:return Phe(e,t)}}function lhe(e,t,n=!1,r){let s="";n?s+=NC(e,r):s+=pu(e,r);let a=e.shapeInfo.logicalShape,o=t.logicalShape;return a.length<=o.length&&(n?s+=Whe(e,t):s+=Vhe(e,t)),s}function uhe(e,t,n){switch(e.length){case 0:return CC();case 1:return xhe(e,t,n);case 2:return Nhe(e,t,n);case 3:return vhe(e,t,n);default:return khe(e,t,n)}}function che(e,t,n){switch(e.length){case 0:return CC();case 1:return bhe(e,t,n);case 2:return Che(e,t,n);case 3:return whe(e,t,n);case 4:return Ihe(e,t,n);case 5:return She(e,t);case 6:return The(e,t);default:throw new Error(`${e.length}-D output sampling is not yet supported`)}}function dhe(e){return`
    float sampleTexture(sampler2D textureSampler, vec2 uv) {
      return ${e.texture2D}(textureSampler, uv).r;
    }
  `}function hhe(e){return`
    void setOutput(float val) {
      ${e.output} = vec4(val, 0, 0, 0);
    }
  `}function phe(e){return`
    void setOutput(vec4 val) {
      ${e.output} = val;
    }
  `}function fhe(e){return`${e.version}
    precision highp float;
    precision highp int;
    precision highp sampler2D;
    ${e.varyingFs} vec2 resultUV;
    ${e.defineOutput}
    const vec2 halfCR = vec2(0.5, 0.5);

    struct ivec5
    {
      int x;
      int y;
      int z;
      int w;
      int u;
    };

    struct ivec6
    {
      int x;
      int y;
      int z;
      int w;
      int u;
      int v;
    };

    uniform float NAN;
    ${e.defineSpecialNaN}
    ${e.defineSpecialInf}
    ${e.defineRound}

    int imod(int x, int y) {
      return x - y * (x / y);
    }

    int idiv(int a, int b, float sign) {
      int res = a / b;
      int mod = imod(a, b);
      if (sign < 0. && mod != 0) {
        res -= 1;
      }
      return res;
    }

    //Based on the work of Dave Hoskins
    //https://www.shadertoy.com/view/4djSRW
    #define HASHSCALE1 443.8975
    float random(float seed){
      vec2 p = resultUV * seed;
      vec3 p3  = fract(vec3(p.xyx) * HASHSCALE1);
      p3 += dot(p3, p3.yzx + 19.19);
      return fract((p3.x + p3.y) * p3.z);
    }

    ${mhe}
    ${ghe}
    ${yhe}
  `}var mhe=`
vec2 uvFromFlat(int texNumR, int texNumC, int index) {
  int texR = index / texNumC;
  int texC = index - texR * texNumC;
  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
vec2 packedUVfrom1D(int texNumR, int texNumC, int index) {
  int texelIndex = index / 2;
  int texR = texelIndex / texNumC;
  int texC = texelIndex - texR * texNumC;
  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,ghe=`
vec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,
  int texNumC, int row, int col) {
  int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);
  int texR = texelIndex / texNumC;
  int texC = texelIndex - texR * texNumC;
  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,yhe=`
vec2 packedUVfrom3D(int texNumR, int texNumC,
    int texelsInBatch, int texelsInLogicalRow, int b,
    int row, int col) {
  int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);
  int texR = index / texNumC;
  int texC = index - texR * texNumC;
  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,Ahe=`
  float getChannel(vec4 frag, vec2 innerDims) {
    vec2 modCoord = mod(innerDims, 2.);
    return modCoord.x == 0. ?
      (modCoord.y == 0. ? frag.r : frag.g) :
      (modCoord.y == 0. ? frag.b : frag.a);
  }
  float getChannel(vec4 frag, int dim) {
    float modCoord = mod(float(dim), 2.);
    return modCoord == 0. ? frag.r : frag.g;
  }
`;function CC(){return`
    int getOutputCoords() {
      return 0;
    }
  `}function xhe(e,t,n){let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];return r[0]===1?n?`
      int getOutputCoords() {
        return 2 * int(resultUV.x * ceil(float(outTexShape[1]) / 2.0));
      }
    `:`
      int getOutputCoords() {
        return 2 * int(resultUV.x * ${r[1]}.0);
      }
    `:r[1]===1?n?`
      int getOutputCoords() {
        return 2 * int(resultUV.y * ceil(float(outTexShape[0]) / 2.0));
      }
    `:`
      int getOutputCoords() {
        return 2 * int(resultUV.y * ${r[0]}.0);
      }
    `:n?`
    int getOutputCoords() {
      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(packedTexShape[0], packedTexShape[1]));
      return 2 * (resTexRC.x * packedTexShape[1] + resTexRC.y);
    }
  `:`
    int getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${r[0]}, ${r[1]}));
      return 2 * (resTexRC.x * ${r[1]} + resTexRC.y);
    }
  `}function bhe(e,t,n){return t[0]===1?n?`
      int getOutputCoords() {
        return int(resultUV.x * float(outTexShape[1]));
      }
    `:`
      int getOutputCoords() {
        return int(resultUV.x * ${t[1]}.0);
      }
    `:t[1]===1?n?`
      int getOutputCoords() {
        return int(resultUV.y * float(outTexShape[0]));
      }
    `:`
      int getOutputCoords() {
        return int(resultUV.y * ${t[0]}.0);
      }
    `:n?`
    int getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(outTexShape[0], outTexShape[1]));
      return resTexRC.x * outTexShape[1] + resTexRC.y;
    }
  `:`
    int getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${t[0]}, ${t[1]}));
      return resTexRC.x * ${t[1]} + resTexRC.y;
    }
  `}function vhe(e,t,n){if(n)return`
    ivec3 getOutputCoords() {
      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));
      int texelsInLogicalRow = int(ceil(float(outShape[2]) / 2.0));
      int texelsInBatch = texelsInLogicalRow * int(ceil(float(outShape[1]) / 2.0));
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(packedTexShape[0], packedTexShape[1]));
      int index = resTexRC.x * packedTexShape[1] + resTexRC.y;

      int b = index / texelsInBatch;
      index -= b * texelsInBatch;

      int r = 2 * (index / texelsInLogicalRow);
      int c = imod(index, texelsInLogicalRow) * 2;

      return ivec3(b, r, c);
    }
  `;let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],s=Math.ceil(e[2]/2),a=s*Math.ceil(e[1]/2);return`
    ivec3 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${r[0]}, ${r[1]}));
      int index = resTexRC.x * ${r[1]} + resTexRC.y;

      int b = index / ${a};
      index -= b * ${a};

      int r = 2 * (index / ${s});
      int c = imod(index, ${s}) * 2;

      return ivec3(b, r, c);
    }
  `}function whe(e,t,n){if(n)return`
  ivec3 getOutputCoords() {
    ivec2 resTexRC = ivec2(resultUV.yx *
                           vec2(outTexShape[0], outTexShape[1]));
    int index = resTexRC.x * outTexShape[1] + resTexRC.y;
    ${iC(["r","c","d"],e)}
    return ivec3(r, c, d);
  }
`;let r=gi(["r","c","d"],e);return`
    ivec3 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${t[0]}, ${t[1]}));
      int index = resTexRC.x * ${t[1]} + resTexRC.y;
      ${r}
      return ivec3(r, c, d);
    }
  `}function khe(e,t,n){if(n)return`
    ivec4 getOutputCoords() {
      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(packedTexShape[0], packedTexShape[1]));
      int index = resTexRC.x * packedTexShape[1] + resTexRC.y;

      int texelsInLogicalRow = int(ceil(float(outShape[3]) / 2.0));
      int texelsInBatch = texelsInLogicalRow * int(ceil(float(outShape[2]) / 2.0));
      int texelsInBatchN = texelsInBatch * outShape[1];

      int b2 = index / texelsInBatchN;
      index -= b2 * texelsInBatchN;

      int b = index / texelsInBatch;
      index -= b * texelsInBatch;

      int r = 2 * (index / texelsInLogicalRow);
      int c = imod(index, texelsInLogicalRow) * 2;

      return ivec4(b2, b, r, c);
    }
  `;let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],s=Math.ceil(e[e.length-1]/2),a=s*Math.ceil(e[e.length-2]/2),o=a,i="",l="b, r, c";for(let u=2;u<e.length-1;u++)o*=e[e.length-u-1],i=`
      int b${u} = index / ${o};
      index -= b${u} * ${o};
    `+i,l=`b${u}, `+l;return`
    ivec${e.length} getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${r[0]}, ${r[1]}));
      int index = resTexRC.x * ${r[1]} + resTexRC.y;

      ${i}

      int b = index / ${a};
      index -= b * ${a};

      int r = 2 * (index / ${s});
      int c = imod(index, ${s}) * 2;

      return ivec${e.length}(${l});
    }
  `}function Ihe(e,t,n){if(n)return`
    ivec4 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
        vec2(outTexShape[0], outTexShape[1]));
      int index = resTexRC.x * outTexShape[1] + resTexRC.y;
      ${iC(["r","c","d","d2"],e)}
      return ivec4(r, c, d, d2);
    }
  `;let r=gi(["r","c","d","d2"],e);return`
    ivec4 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
        vec2(${t[0]}, ${t[1]}));
      int index = resTexRC.x * ${t[1]} + resTexRC.y;
      ${r}
      return ivec4(r, c, d, d2);
    }
  `}function She(e,t){let n=gi(["r","c","d","d2","d3"],e);return`
    ivec5 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx * vec2(${t[0]},
                             ${t[1]}));

      int index = resTexRC.x * ${t[1]} + resTexRC.y;

      ${n}

      ivec5 outShape = ivec5(r, c, d, d2, d3);
      return outShape;
    }
  `}function The(e,t){let n=gi(["r","c","d","d2","d3","d4"],e);return`
    ivec6 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
        vec2(${t[0]}, ${t[1]}));
      int index = resTexRC.x * ${t[1]} + resTexRC.y;

      ${n}

      ivec6 result = ivec6(r, c, d, d2, d3, d4);
      return result;
    }
  `}function Nhe(e,t,n){let r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];if(k.arraysEqual(e,t))return n?`
      ivec2 getOutputCoords() {
        ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));
        return 2 * ivec2(resultUV.yx * vec2(packedTexShape[0], packedTexShape[1]));
      }
    `:`
      ivec2 getOutputCoords() {
        return 2 * ivec2(resultUV.yx * vec2(${r[0]}, ${r[1]}));
      }
    `;let s=Math.ceil(e[1]/2);return n?`
    ivec2 getOutputCoords() {
      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));
      int texelsInLogicalRow = int(ceil(float(outShape[1]) / 2.0));
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(packedTexShape[0], packedTexShape[1]));

      int index = resTexRC.x * packedTexShape[1] + resTexRC.y;
      int r = 2 * (index / texelsInLogicalRow);
      int c = imod(index, texelsInLogicalRow) * 2;

      return ivec2(r, c);
    }
  `:`
    ivec2 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${r[0]}, ${r[1]}));

      int index = resTexRC.x * ${r[1]} + resTexRC.y;
      int r = 2 * (index / ${s});
      int c = imod(index, ${s}) * 2;

      return ivec2(r, c);
    }
  `}function Che(e,t,n){return k.arraysEqual(e,t)?n?`
      ivec2 getOutputCoords() {
        return ivec2(resultUV.yx * vec2(outTexShape[0], outTexShape[1]));
      }
    `:`
      ivec2 getOutputCoords() {
        return ivec2(resultUV.yx * vec2(${t[0]}, ${t[1]}));
      }
    `:e[1]===1?n?`
      ivec2 getOutputCoords() {
        ivec2 resTexRC = ivec2(resultUV.yx *
                               vec2(outTexShape[0], outTexShape[1]));
        int index = resTexRC.x * outTexShape[1] + resTexRC.y;
        return ivec2(index, 0);
      }
    `:`
      ivec2 getOutputCoords() {
        ivec2 resTexRC = ivec2(resultUV.yx *
                               vec2(${t[0]}, ${t[1]}));
        int index = resTexRC.x * ${t[1]} + resTexRC.y;
        return ivec2(index, 0);
      }
    `:e[0]===1?n?`
      ivec2 getOutputCoords() {
        ivec2 resTexRC = ivec2(resultUV.yx *
                               vec2(outTexShape[0], outTexShape[1]));
        int index = resTexRC.x * outTexShape[1] + resTexRC.y;
        return ivec2(0, index);
      }
    `:`
      ivec2 getOutputCoords() {
        ivec2 resTexRC = ivec2(resultUV.yx *
                               vec2(${t[0]}, ${t[1]}));
        int index = resTexRC.x * ${t[1]} + resTexRC.y;
        return ivec2(0, index);
      }
    `:n?`
    ivec2 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(outTexShape[0], outTexShape[1]));
      int index = resTexRC.x * outTexShape[1] + resTexRC.y;
      int r = index / outShape[1];
      int c = index - r * outShape[1];
      return ivec2(r, c);
    }
  `:`
    ivec2 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(${t[0]}, ${t[1]}));
      int index = resTexRC.x * ${t[1]} + resTexRC.y;
      int r = index / ${e[1]};
      int c = index - r * ${e[1]};
      return ivec2(r, c);
    }
  `}function yi(e){return`offset${e}`}function Ehe(e){let t=e.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),r=Wn();return`
    vec4 ${n}() {
      return ${r.texture2D}(${t}, halfCR);
    }
  `}function $he(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1);if(e.shapeInfo.isUniform)return`float ${r}() {return ${n};}`;let[s,a]=e.shapeInfo.texShape;if(s===1&&a===1)return`
      float ${r}() {
        return sampleTexture(${n}, halfCR);
      }
    `;let o=yi(n);if(t)return`
    float ${r}() {
      vec2 uv = uvFromFlat(${n}TexShape[0], ${n}TexShape[1], ${o});
      return sampleTexture(${n}, uv);
    }
  `;let[i,l]=e.shapeInfo.texShape;return`
    float ${r}() {
      vec2 uv = uvFromFlat(${i}, ${l}, ${o});
      return sampleTexture(${n}, uv);
    }
  `}function Rhe(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),s=e.shapeInfo.texShape,a=Wn();if(t)return`
    vec4 ${r}(int index) {
      ivec2 packedTexShape = ivec2(ceil(float(${n}TexShape[0]) / 2.0), ceil(float(${n}TexShape[1]) / 2.0));
      vec2 uv = packedUVfrom1D(
        packedTexShape[0], packedTexShape[1], index);
      return ${a.texture2D}(${n}, uv);
    }
  `;let o=[Math.ceil(s[0]/2),Math.ceil(s[1]/2)];return`
    vec4 ${r}(int index) {
      vec2 uv = packedUVfrom1D(
        ${o[0]}, ${o[1]}, index);
      return ${a.texture2D}(${n}, uv);
    }
  `}function _he(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1);if(e.shapeInfo.isUniform)return`
      float ${r}(int index) {
        ${fu(e)}
      }
    `;let s=e.shapeInfo.texShape,a=s[0],o=s[1];if(o===1&&a===1)return`
      float ${r}(int index) {
        return sampleTexture(${n}, halfCR);
      }
    `;let i=yi(n);return o===1?t?`
      float ${r}(int index) {
        vec2 uv = vec2(0.5, (float(index + ${i}) + 0.5) / float(${n}TexShape[0]));
        return sampleTexture(${n}, uv);
      }
    `:`
      float ${r}(int index) {
        vec2 uv = vec2(0.5, (float(index + ${i}) + 0.5) / ${a}.0);
        return sampleTexture(${n}, uv);
      }
    `:a===1?t?`
      float ${r}(int index) {
        vec2 uv = vec2((float(index + ${i}) + 0.5) / float(${n}TexShape[1]), 0.5);
        return sampleTexture(${n}, uv);
      }
    `:`
      float ${r}(int index) {
        vec2 uv = vec2((float(index + ${i}) + 0.5) / ${o}.0, 0.5);
        return sampleTexture(${n}, uv);
      }
    `:t?`
    float ${r}(int index) {
      vec2 uv = uvFromFlat(${n}TexShape[0], ${n}TexShape[1], index + ${i});
      return sampleTexture(${n}, uv);
    }
  `:`
    float ${r}(int index) {
      vec2 uv = uvFromFlat(${a}, ${o}, index + ${i});
      return sampleTexture(${n}, uv);
    }
  `}function Dhe(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=e.shapeInfo.texShape,o=a[0],i=a[1],l=Wn();if(a!=null&&k.arraysEqual(n,a))return t?`
      vec4 ${s}(int row, int col) {
        vec2 uv = (vec2(col, row) + halfCR) / vec2(${r}TexShape[1], ${r}TexShape[0]);

        return ${l.texture2D}(${r}, uv);
      }
    `:`
      vec4 ${s}(int row, int col) {
        vec2 uv = (vec2(col, row) + halfCR) / vec2(${i}.0, ${o}.0);

        return ${l.texture2D}(${r}, uv);
      }
    `;if(t)return`
    vec4 ${s}(int row, int col) {
      ivec2 packedTexShape = ivec2(ceil(float(${r}TexShape[0]) / 2.0), ceil(float(${r}TexShape[1]) / 2.0));
      int valuesPerRow = int(ceil(float(${r}Shape[1]) / 2.0));
      vec2 uv = packedUVfrom2D(valuesPerRow, packedTexShape[0], packedTexShape[1], row, col);
      return ${l.texture2D}(${r}, uv);
    }
  `;let u=[Math.ceil(a[0]/2),Math.ceil(a[1]/2)],c=Math.ceil(n[1]/2);return`
    vec4 ${s}(int row, int col) {
      vec2 uv = packedUVfrom2D(${c}, ${u[0]}, ${u[1]}, row, col);
      return ${l.texture2D}(${r}, uv);
    }
  `}function Fhe(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=e.shapeInfo.texShape;if(a!=null&&k.arraysEqual(n,a)){if(t)return`
      float ${s}(int row, int col) {
        vec2 uv = (vec2(col, row) + halfCR) / vec2(${r}TexShape[1], ${r}TexShape[0]);
        return sampleTexture(${r}, uv);
      }
    `;let h=a[0],p=a[1];return`
    float ${s}(int row, int col) {
      vec2 uv = (vec2(col, row) + halfCR) / vec2(${p}.0, ${h}.0);
      return sampleTexture(${r}, uv);
    }
  `}let{newShape:o,keptDims:i}=k.squeezeShape(n),l=o;if(l.length<n.length){let h=mu(e,l),p=["row","col"];return`
      ${pu(h,t)}
      float ${s}(int row, int col) {
        return ${s}(${gu(p,i)});
      }
    `}if(e.shapeInfo.isUniform)return`
      float ${s}(int row, int col) {
        int index = round(dot(vec2(row, col), vec2(${n[1]}, 1)));
        ${fu(e)}
      }
    `;let u=a[0],c=a[1],d=yi(r);return c===1?t?`
      float ${s}(int row, int col) {
        float index = dot(vec3(row, col, ${d}), vec3(${r}Shape[1], 1, 1));
        vec2 uv = vec2(0.5, (index + 0.5) / float(${r}TexShape[0]));
        return sampleTexture(${r}, uv);
      }
    `:`
    float ${s}(int row, int col) {
      float index = dot(vec3(row, col, ${d}), vec3(${n[1]}, 1, 1));
      vec2 uv = vec2(0.5, (index + 0.5) / ${u}.0);
      return sampleTexture(${r}, uv);
    }
  `:u===1?t?`
      float ${s}(int row, int col) {
        float index = dot(vec3(row, col, ${d}), vec3(${r}Shape[1], 1, 1));
        vec2 uv = vec2((index + 0.5) / float(${r}TexShape[1]), 0.5);
        return sampleTexture(${r}, uv);
      }
    `:`
    float ${s}(int row, int col) {
      float index = dot(vec3(row, col, ${d}), vec3(${n[1]}, 1, 1));
      vec2 uv = vec2((index + 0.5) / ${c}.0, 0.5);
      return sampleTexture(${r}, uv);
    }
  `:t?`
      float ${s}(int row, int col) {
        // Explicitly use integer operations as dot() only works on floats.
        int index = row * ${r}Shape[1] + col + ${d};
        vec2 uv = uvFromFlat(${r}TexShape[0], ${r}TexShape[1], index);
        return sampleTexture(${r}, uv);
      }
    `:`
  float ${s}(int row, int col) {
    // Explicitly use integer operations as dot() only works on floats.
    int index = row * ${n[1]} + col + ${d};
    vec2 uv = uvFromFlat(${u}, ${c}, index);
    return sampleTexture(${r}, uv);
  }
`}function Mhe(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=e.shapeInfo.texShape,o=[Math.ceil(a[0]/2),Math.ceil(a[1]/2)];if(n[0]===1){let h=n.slice(1),p=[1,2],f=mu(e,h),m=["b","row","col"];return`
        ${NC(f,t)}
        vec4 ${s}(int b, int row, int col) {
          return ${s}(${gu(m,p)});
        }
      `}let i=Wn();if(t)return`
    vec4 ${s}(int b, int row, int col) {
      ivec2 packedTexShape = ivec2(ceil(float(${r}TexShape[0]) / 2.0), ceil(float(${r}TexShape[1]) / 2.0));
      int valuesPerRow = int(ceil(float(${r}Shape[2]) / 2.0));
      int texelsInBatch = valuesPerRow * int(ceil(float(${r}Shape[1]) / 2.0));
      vec2 uv = packedUVfrom3D(
        packedTexShape[0], packedTexShape[1], texelsInBatch, valuesPerRow, b, row, col);
      return ${i.texture2D}(${r}, uv);
    }
  `;let l=o[0],u=o[1],c=Math.ceil(n[2]/2),d=c*Math.ceil(n[1]/2);return`
    vec4 ${s}(int b, int row, int col) {
      vec2 uv = packedUVfrom3D(
        ${l}, ${u}, ${d}, ${c}, b, row, col);
      return ${i.texture2D}(${r}, uv);
    }
  `}function Ohe(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=n[1]*n[2],o=n[2],{newShape:i,keptDims:l}=k.squeezeShape(n),u=i;if(u.length<n.length){let m=mu(e,u),g=["row","col","depth"];return`
        ${pu(m,t)}
        float ${s}(int row, int col, int depth) {
          return ${s}(${gu(g,l)});
        }
      `}if(e.shapeInfo.isUniform)return`
      float ${s}(int row, int col, int depth) {
        int index = round(dot(vec3(row, col, depth),
                          vec3(${a}, ${o}, 1)));
        ${fu(e)}
      }
    `;let c=e.shapeInfo.texShape,d=c[0],h=c[1],p=e.shapeInfo.flatOffset;if(h===a&&p==null)return t?`
      float ${s}(int row, int col, int depth) {
        int stride1 = ${r}Shape[2];
        float texR = float(row);
        float texC = dot(vec2(col, depth), vec2(stride1, 1));
        vec2 uv = (vec2(texC, texR) + halfCR) /
                   vec2(${r}TexShape[1], ${r}TexShape[0]);
        return sampleTexture(${r}, uv);
      }
    `:`
        float ${s}(int row, int col, int depth) {
          float texR = float(row);
          float texC = dot(vec2(col, depth), vec2(${o}, 1));
          vec2 uv = (vec2(texC, texR) + halfCR) /
                     vec2(${h}.0, ${d}.0);
          return sampleTexture(${r}, uv);
        }
      `;if(h===o&&p==null)return t?`
      float ${s}(int row, int col, int depth) {
        float texR = dot(vec2(row, col), vec2(${r}Shape[1], 1));
        float texC = float(depth);
        vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${r}TexShape[1], ${r}TexShape[0]);
        return sampleTexture(${r}, uv);
      }
    `:`
    float ${s}(int row, int col, int depth) {
      float texR = dot(vec2(row, col), vec2(${n[1]}, 1));
      float texC = float(depth);
      vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${h}.0, ${d}.0);
      return sampleTexture(${r}, uv);
    }
  `;let f=yi(r);return t?`
    float ${s}(int row, int col, int depth) {
      // Explicitly use integer operations as dot() only works on floats.
      int stride0 = ${r}Shape[1] * ${r}Shape[2];
      int stride1 = ${r}Shape[2];
      int index = row * ${a} + col * ${o} + depth + ${f};
      vec2 uv = uvFromFlat(${r}TexShape[0], ${r}TexShape[1], index);
      return sampleTexture(${r}, uv);
    }
    `:`
      float ${s}(int row, int col, int depth) {
        // Explicitly use integer operations as dot() only works on floats.
        int index = row * ${a} + col * ${o} + depth + ${f};
        vec2 uv = uvFromFlat(${d}, ${h}, index);
        return sampleTexture(${r}, uv);
      }
  `}function Phe(e,t){let n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),s=Wn();if(t)return`
    vec4 ${r}(int b2, int b, int row, int col) {
      int valuesPerRow = int(ceil(float(${n}Shape[3]) / 2.0));
      int texelsInBatch = valuesPerRow * int(ceil(float(${n}Shape[2]) / 2.0));
      int index = b * texelsInBatch + (row / 2) * valuesPerRow + (col / 2);
      texelsInBatch *= ${n}Shape[1];
      index = b2 * texelsInBatch + index;
      ivec2 packedTexShape = ivec2(ceil(float(${n}TexShape[0]) / 2.0), ceil(float(${n}TexShape[1]) / 2.0));
      int texR = index / packedTexShape[1];
      int texC = index - texR * packedTexShape[1];
      vec2 uv = (vec2(texC, texR) + halfCR) / vec2(packedTexShape[1], packedTexShape[0]); return ${s.texture2D}(${n}, uv);
    }
  `;let a=e.shapeInfo.logicalShape,o=a.length,i=e.shapeInfo.texShape,l=[Math.ceil(i[0]/2),Math.ceil(i[1]/2)],u=l[0],c=l[1],d=Math.ceil(a[o-1]/2),h=d*Math.ceil(a[o-2]/2),p="int b, int row, int col",f=`b * ${h} + (row / 2) * ${d} + (col / 2)`;for(let m=2;m<o-1;m++)p=`int b${m}, `+p,h*=a[o-m-1],f=`b${m} * ${h} + `+f;return`
    vec4 ${r}(${p}) {
      int index = ${f};
      int texR = index / ${c};
      int texC = index - texR * ${c};
      vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${c}, ${u});
      return ${s.texture2D}(${n}, uv);
    }
  `}function zhe(e,t){let n=e.shapeInfo.logicalShape,r=e.name,s="get"+r.charAt(0).toUpperCase()+r.slice(1),a=n[3],o=n[2]*a,i=n[1]*o,{newShape:l,keptDims:u}=k.squeezeShape(n);if(l.length<n.length){let A=mu(e,l),x=["row","col","depth","depth2"];return`
      ${pu(A,t)}
      float ${s}(int row, int col, int depth, int depth2) {
        return ${s}(${gu(x,u)});
      }
    `}if(e.shapeInfo.isUniform)return`
      float ${s}(int row, int col, int depth, int depth2) {
        int index = round(dot(vec4(row, col, depth, depth2),
                          vec4(${i}, ${o}, ${a}, 1)));
        ${fu(e)}
      }
    `;let c=e.shapeInfo.flatOffset,d=e.shapeInfo.texShape,h=d[0],p=d[1],f=`int stride2 = ${r}Shape[3];`,m=`int stride1 = ${r}Shape[2] * stride2;`,g=`int stride0 = ${r}Shape[1] * stride1;`;if(p===i&&c==null)return t?`
      float ${s}(int row, int col, int depth, int depth2) {
        ${f}
        ${m}
        float texR = float(row);
        float texC =
            dot(vec3(col, depth, depth2),
                vec3(stride1, stride2, 1));
        vec2 uv = (vec2(texC, texR) + halfCR) /
                   vec2(${r}TexShape[1], ${r}TexShape[0]);
        return sampleTexture(${r}, uv);
      }
    `:`
      float ${s}(int row, int col, int depth, int depth2) {
        float texR = float(row);
        float texC =
            dot(vec3(col, depth, depth2),
                vec3(${o}, ${a}, 1));
        vec2 uv = (vec2(texC, texR) + halfCR) /
                   vec2(${p}.0, ${h}.0);
        return sampleTexture(${r}, uv);
      }
    `;if(p===a&&c==null)return t?`
      float ${s}(int row, int col, int depth, int depth2) {
        float texR = dot(vec3(row, col, depth),
                         vec3(${r}Shape[1] * ${r}Shape[2], ${r}Shape[2], 1));
        float texC = float(depth2);
        vec2 uv = (vec2(texC, texR) + halfCR) /
                  vec2(${r}TexShape[1], ${r}TexShape[0]);
        return sampleTexture(${r}, uv);
      }
    `:`
      float ${s}(int row, int col, int depth, int depth2) {
        float texR = dot(vec3(row, col, depth),
                         vec3(${n[1]*n[2]}, ${n[2]}, 1));
        float texC = float(depth2);
        vec2 uv = (vec2(texC, texR) + halfCR) /
                  vec2(${p}.0, ${h}.0);
        return sampleTexture(${r}, uv);
      }
    `;let y=yi(r);return t?`
    float ${s}(int row, int col, int depth, int depth2) {
      // Explicitly use integer operations as dot() only works on floats.
      ${f}
      ${m}
      ${g}
      int index = row * stride0 + col * stride1 +
          depth * stride2 + depth2;
      vec2 uv = uvFromFlat(${r}TexShape[0], ${r}TexShape[1], index + ${y});
      return sampleTexture(${r}, uv);
    }
  `:`
    float ${s}(int row, int col, int depth, int depth2) {
      // Explicitly use integer operations as dot() only works on floats.
      int index = row * ${i} + col * ${o} +
          depth * ${a} + depth2;
      vec2 uv = uvFromFlat(${h}, ${p}, index + ${y});
      return sampleTexture(${r}, uv);
    }
  `}function Lhe(e){let t=e.shapeInfo.logicalShape,n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),s=t[4],a=t[3]*s,o=t[2]*a,i=t[1]*o,{newShape:l,keptDims:u}=k.squeezeShape(t);if(l.length<t.length){let m=mu(e,l),g=["row","col","depth","depth2","depth3"];return`
      ${pu(m)}
      float ${r}(int row, int col, int depth, int depth2, int depth3) {
        return ${r}(${gu(g,u)});
      }
    `}if(e.shapeInfo.isUniform)return`
      float ${r}(int row, int col, int depth, int depth2, int depth3) {
        float index = dot(
          vec4(row, col, depth, depth2),
          vec4(${i}, ${o}, ${a}, ${s})) +
          depth3;
        ${fu(e)}
      }
    `;let c=e.shapeInfo.flatOffset,d=e.shapeInfo.texShape,h=d[0],p=d[1];if(p===i&&c==null)return`
      float ${r}(int row, int col, int depth, int depth2, int depth3) {
        int texR = row;
        float texC = dot(vec4(col, depth, depth2, depth3),
                         vec4(${o}, ${a}, ${s}, 1));
        vec2 uv = (vec2(texC, texR) + halfCR) /
                   vec2(${p}.0, ${h}.0);
        return sampleTexture(${n}, uv);
      }
    `;if(p===s&&c==null)return`
      float ${r}(int row, int col, int depth, int depth2, int depth3) {
        float texR = dot(
          vec4(row, col, depth, depth2),
          vec4(${t[1]*t[2]*t[3]},
               ${t[2]*t[3]}, ${t[3]}, 1));
        int texC = depth3;
        vec2 uv = (vec2(texC, texR) + halfCR) /
                  vec2(${p}.0, ${h}.0);
        return sampleTexture(${n}, uv);
      }
    `;let f=yi(n);return`
    float ${r}(int row, int col, int depth, int depth2, int depth3) {
      // Explicitly use integer operations as dot() only works on floats.
      int index = row * ${i} + col * ${o} + depth * ${a} +
          depth2 * ${s} + depth3 + ${f};
      vec2 uv = uvFromFlat(${h}, ${p}, index);
      return sampleTexture(${n}, uv);
    }
  `}function Bhe(e){let t=e.shapeInfo.logicalShape,n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),{newShape:s,keptDims:a}=k.squeezeShape(t);if(s.length<t.length){let g=mu(e,s),y=["row","col","depth","depth2","depth3","depth4"];return`
      ${pu(g)}
      float ${r}(int row, int col, int depth,
                    int depth2, int depth3, int depth4) {
        return ${r}(${gu(y,a)});
      }
    `}let o=t[5],i=t[4]*o,l=t[3]*i,u=t[2]*l,c=t[1]*u;if(e.shapeInfo.isUniform)return`
      float ${r}(int row, int col, int depth,
                  int depth2, int depth3, int depth4) {
        int index = round(dot(
          vec4(row, col, depth, depth2),
          vec4(${c}, ${u}, ${l}, ${i})) +
          dot(
            vec2(depth3, depth4),
            vec2(${o}, 1)));
        ${fu(e)}
      }
    `;let d=e.shapeInfo.flatOffset,h=e.shapeInfo.texShape,p=h[0],f=h[1];if(f===c&&d==null)return`
      float ${r}(int row, int col, int depth,
                    int depth2, int depth3, int depth4) {
        int texR = row;
        float texC = dot(vec4(col, depth, depth2, depth3),
          vec4(${u}, ${l}, ${i}, ${o})) +
               float(depth4);
        vec2 uv = (vec2(texC, texR) + halfCR) /
                   vec2(${f}.0, ${p}.0);
        return sampleTexture(${n}, uv);
      }
    `;if(f===o&&d==null)return`
      float ${r}(int row, int col, int depth,
                    int depth2, int depth3, int depth4) {
        float texR = dot(vec4(row, col, depth, depth2),
          vec4(${t[1]*t[2]*t[3]*t[4]},
               ${t[2]*t[3]*t[4]},
               ${t[3]*t[4]},
               ${t[4]})) + float(depth3);
        int texC = depth4;
        vec2 uv = (vec2(texC, texR) + halfCR) /
                  vec2(${f}.0, ${p}.0);
        return sampleTexture(${n}, uv);
      }
    `;let m=yi(n);return`
    float ${r}(int row, int col, int depth,
                  int depth2, int depth3, int depth4) {
      // Explicitly use integer operations as dot() only works on floats.
      int index = row * ${c} + col * ${u} + depth * ${l} +
          depth2 * ${i} + depth3 * ${o} + depth4 + ${m};
      vec2 uv = uvFromFlat(${p}, ${f}, index);
      return sampleTexture(${n}, uv);
    }
  `}function fu(e){let t=e.name,n=k.sizeFromShape(e.shapeInfo.logicalShape);return n<2?`return ${t};`:`
    for (int i = 0; i < ${n}; i++) {
      if (i == index) {
        return ${t}[i];
      }
    }
  `}function Whe(e,t){let n=e.name,r=n.charAt(0).toUpperCase()+n.slice(1),s="get"+r+"AtOutCoords",a=e.shapeInfo.logicalShape.length,o=t.logicalShape.length,i=TC(e.shapeInfo.logicalShape,t.logicalShape),l=wt(o),u=o-a,c,d=["x","y","z","w","u","v"];a===0?c="":o<2&&i.length>=1?c="coords = 0;":c=i.map(A=>`coords.${d[A+u]} = 0;`).join(`
`);let h="";o<2&&a>0?h="coords":h=e.shapeInfo.logicalShape.map((A,x)=>`coords.${d[x+u]}`).join(", ");let p="return outputValue;",m=k.sizeFromShape(e.shapeInfo.logicalShape)===1,y=k.sizeFromShape(t.logicalShape)===1;if(a===1&&!m&&!y)p=`
      return vec4(outputValue.xy, outputValue.xy);
    `;else if(m&&!y)o===1?p=`
        return vec4(outputValue.x, outputValue.x, 0., 0.);
      `:p=`
        return vec4(outputValue.x);
      `;else if(i.length){let A=a-2,x=a-1;i.indexOf(A)>-1&&i.indexOf(x)>-1?p="return vec4(outputValue.x);":i.indexOf(A)>-1?p="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":i.indexOf(x)>-1&&(p="return vec4(outputValue.xx, outputValue.zz);")}return`
    vec4 ${s}() {
      ${l} coords = getOutputCoords();
      ${c}
      vec4 outputValue = get${r}(${h});
      ${p}
    }
  `}function Vhe(e,t){let n=e.name,r=n.charAt(0).toUpperCase()+n.slice(1),s="get"+r+"AtOutCoords",a=t.texShape,o=e.shapeInfo.texShape,i=e.shapeInfo.logicalShape.length,l=t.logicalShape.length;if(!e.shapeInfo.isUniform&&i===l&&e.shapeInfo.flatOffset==null&&k.arraysEqual(o,a))return`
      float ${s}() {
        return sampleTexture(${n}, resultUV);
      }
    `;let u=wt(l),c=TC(e.shapeInfo.logicalShape,t.logicalShape),d=l-i,h,p=["x","y","z","w","u","v"];i===0?h="":l<2&&c.length>=1?h="coords = 0;":h=c.map(m=>`coords.${p[m+d]} = 0;`).join(`
`);let f="";return l<2&&i>0?f="coords":f=e.shapeInfo.logicalShape.map((m,g)=>`coords.${p[g+d]}`).join(", "),`
    float ${s}() {
      ${u} coords = getOutputCoords();
      ${h}
      return get${r}(${f});
    }
  `}function wt(e){if(e<=1)return"int";if(e===2)return"ivec2";if(e===3)return"ivec3";if(e===4)return"ivec4";if(e===5)return"ivec5";if(e===6)return"ivec6";throw Error(`GPU for rank ${e} is not yet supported`)}function H5(e,t,n){let{newShape:r}=k.squeezeShape(t),s=t.length,a=e&&s===3&&t[0]===1,o=a?t.slice(1):r,i=!e&&s>1&&!k.arraysEqual(t,n)&&r.length<s||a;return{useSqueezeShape:i,uniformShape:i?o:t}}function mu(e,t){let n=JSON.parse(JSON.stringify(e));return n.shapeInfo.logicalShape=t,n}function gu(e,t){return t.map(n=>e[n]).join(", ")}function Uhe(e,t,n,r){let s=n.map((x,b)=>{let v={logicalShape:x.shape,texShape:x.isUniform?null:x.texData.texShape,isUniform:x.isUniform,isPacked:x.isUniform?!1:x.texData.isPacked,flatOffset:null};return x.texData!=null&&x.texData.slice!=null&&x.texData.slice.flatOffset>0&&(v.flatOffset=x.texData.slice.flatOffset),{name:t.variableNames[b],shapeInfo:v}}),a=s.map(x=>x.shapeInfo),o={logicalShape:r.shape,texShape:r.texData.texShape,isUniform:!1,isPacked:r.texData.isPacked,flatOffset:null},i=ihe(s,o,t),l=e.createProgram(i),u=null,c=e.getUniformLocation(l,"NAN",!1);re().getNumber("WEBGL_VERSION")===1&&(u=e.getUniformLocation(l,"INFINITY",!1));let d=!1,h={},p={},f={};for(let x=0;x<t.variableNames.length;x++){let b=t.variableNames[x];h[b]=e.getUniformLocation(l,b,d),h[`offset${b}`]=e.getUniformLocation(l,`offset${b}`,d),t.enableShapeUniforms&&(p[`${b}Shape`]=e.getUniformLocation(l,`${b}Shape`,d),f[`${b}TexShape`]=e.getUniformLocation(l,`${b}TexShape`,d))}let m,g,y;t.enableShapeUniforms&&(m=e.getUniformLocation(l,"outShape",d),y=e.getUniformLocation(l,"outShapeStrides",d),g=e.getUniformLocation(l,"outTexShape",d));let A=[];return t.customUniforms&&t.customUniforms.forEach((x,b)=>{A[b]=e.getUniformLocation(l,x.name,d)}),{program:t,source:i,webGLProgram:l,uniformLocations:h,customUniformLocations:A,inShapeInfos:a,outShapeInfo:o,infLoc:u,nanLoc:c,inShapesLocations:p,inTexShapesLocations:f,outShapeLocation:m,outShapeStridesLocation:y,outTexShapeLocation:g}}function EC(e,t){if(e.length!==t.length)throw Error(`Binary was compiled with ${e.length} inputs, but was executed with ${t.length} inputs`);e.forEach((n,r)=>{let s=n.logicalShape,a=t[r],o=a.shape;if(!k.arraysEqual(s,o))throw Error(`Binary was compiled with different shapes than the current args. Shapes ${s} and ${o} must match`);if(n.isUniform&&a.isUniform)return;let i=n.texShape,l=a.isUniform?null:a.texData.texShape;if(!k.arraysEqual(i,l))throw Error(`Binary was compiled with different texture shapes than the current args. Shape ${i} and ${l} must match`)})}function Hhe(e,t,n,r,s){t.program.enableShapeUniforms||(EC(t.inShapeInfos,n),EC([t.outShapeInfo],[r]));let a=r.texData.texture,o=r.texData.texShape;r.texData.isPacked?e.setOutputPackedMatrixTexture(a,o[0],o[1]):e.setOutputMatrixTexture(a,o[0],o[1]),e.setProgram(t.webGLProgram),re().getNumber("WEBGL_VERSION")===1&&t.infLoc!==null&&e.gl.uniform1f(t.infLoc,1/0),t.nanLoc!==null&&e.gl.uniform1f(t.nanLoc,NaN),n.forEach((l,u)=>{let c=t.program.variableNames[u],d=t.uniformLocations[c],h=t.uniformLocations[`offset${c}`],p=t.inShapesLocations[`${c}Shape`],f=t.inTexShapesLocations[`${c}TexShape`];if(p){let{uniformShape:m}=H5(t.program.packedInputs,l.shape,l.texData.texShape);switch(m.length){case 1:e.gl.uniform1iv(p,new Int32Array(m));break;case 2:e.gl.uniform2iv(p,new Int32Array(m));break;case 3:e.gl.uniform3iv(p,new Int32Array(m));break;case 4:e.gl.uniform4iv(p,new Int32Array(m));break;default:break}}if(f&&e.gl.uniform2i(f,l.texData.texShape[0],l.texData.texShape[1]),d!=null){if(l.isUniform){if(k.sizeFromShape(l.shape)<2)e.gl.uniform1f(d,l.uniformValues[0]);else{let m=l.uniformValues;m instanceof Float32Array||(m=new Float32Array(m)),e.gl.uniform1fv(d,m)}return}l.texData.slice!=null&&h!=null&&e.gl.uniform1i(h,l.texData.slice.flatOffset),e.setInputMatrixTexture(l.texData.texture,d,u)}});let i=t.outShapeLocation;if(i)switch(r.shape.length){case 1:e.gl.uniform1iv(i,new Int32Array(r.shape));break;case 2:e.gl.uniform2iv(i,new Int32Array(r.shape));break;case 3:e.gl.uniform3iv(i,new Int32Array(r.shape));break;case 4:e.gl.uniform4iv(i,new Int32Array(r.shape));break;default:break}if(t.outShapeStridesLocation){let l=k.computeStrides(r.shape);switch(r.shape.length){case 2:e.gl.uniform1iv(t.outShapeStridesLocation,new Int32Array(l));break;case 3:e.gl.uniform2iv(t.outShapeStridesLocation,new Int32Array(l));break;case 4:e.gl.uniform3iv(t.outShapeStridesLocation,new Int32Array(l));break;default:break}}t.outTexShapeLocation&&e.gl.uniform2i(t.outTexShapeLocation,r.texData.texShape[0],r.texData.texShape[1]),t.program.customUniforms&&s&&t.program.customUniforms.forEach((l,u)=>{let c=t.customUniformLocations[u],d=s[u];if(l.type==="float")e.gl.uniform1fv(c,d);else if(l.type==="vec2")e.gl.uniform2fv(c,d);else if(l.type==="vec3")e.gl.uniform3fv(c,d);else if(l.type==="vec4")e.gl.uniform4fv(c,d);else if(l.type==="int")e.gl.uniform1iv(c,d);else if(l.type==="ivec2")e.gl.uniform2iv(c,d);else if(l.type==="ivec3")e.gl.uniform3iv(c,d);else if(l.type==="ivec4")e.gl.uniform4iv(c,d);else throw Error(`uniform type ${l.type} is not supported yet.`)}),e.executeProgram()}function Ghe(e,t,n){let r="";t.concat(n).forEach(o=>{let i=o.texData!=null&&o.texData.slice!=null&&o.texData.slice.flatOffset>0;if(e.enableShapeUniforms&&!o.isUniform){let l=o.texData.texShape,{useSqueezeShape:u,uniformShape:c}=H5(e.packedInputs,o.shape,l),d="",h="",p="";if(c.length===1&&e.packedInputs){let b=[Math.ceil(l[0]/2),Math.ceil(l[1]/2)];d=`${b[0]>1}_${b[1]>1}`}else if(c.length===2&&!e.packedInputs)h=`${c[0]>1}_${c[1]>1}`;else if(c.length>2&&!e.packedInputs){let b=k.computeStrides(c);p=`${b[0]===l[1]}_${b[b.length-1]===l[1]}`}let f=o.shape.length,m=f===2&&k.arraysEqual(o.shape,l),g=k.sizeFromShape(o.shape)===1,y=_.getBroadcastDims(o.shape,n.shape),A=!e.packedInputs&&f===n.shape.length&&k.arraysEqual(l,n.texData.texShape),x=e.packedInputs||f>2?"":`${l[0]>1}_${l[1]>1}`;r+=`${f}_${A}_${u}_${c.length}_${g}_${y}_${m}_${d}_${h}_${p}_${x}_${i}`}else{let l=o.isUniform?"uniform":o.texData.texShape;r+=`${o.shape}_${l}_${i}`}});let s=e.userCode,a=e.constructor.name;return a+="_"+r+"_"+s+`${re().getNumber("WEBGL_VERSION")}`,a}function Mm(e){return re().getBool("WEBGL_USE_SHAPES_UNIFORMS")&&e<=4}var $C={};_e($C,{addImpl:()=>DC,bincountImpl:()=>Xhe,bincountReduceImpl:()=>Zhe,ceilImpl:()=>FC,concatImpl:()=>MC,equalImpl:()=>OC,expImpl:()=>PC,expm1Impl:()=>zC,floorImpl:()=>LC,gatherNdImpl:()=>Yhe,gatherV2Impl:()=>Jhe,greaterEqualImpl:()=>WC,greaterImpl:()=>BC,lessEqualImpl:()=>UC,lessImpl:()=>VC,linSpaceImpl:()=>Qhe,logImpl:()=>HC,maxImpl:()=>epe,maximumImpl:()=>GC,minimumImpl:()=>jC,multiplyImpl:()=>K5,negImpl:()=>npe,notEqualImpl:()=>qC,prodImpl:()=>spe,rangeImpl:()=>KC,rsqrtImpl:()=>XC,simpleAbsImpl:()=>jhe,sliceImpl:()=>X5,sparseFillEmptyRowsImpl:()=>ape,sparseReshapeImpl:()=>ope,sparseSegmentReductionImpl:()=>ipe,squaredDifferenceImpl:()=>ZC,stridedSliceImpl:()=>lpe,stringNGramsImpl:()=>cpe,stringSplitImpl:()=>hpe,stringToHashBucketFastImpl:()=>ppe,subImpl:()=>YC,tileImpl:()=>mpe,topKImpl:()=>gpe,transposeImpl:()=>rpe,uniqueImpl:()=>ype});function RC(e,t){Array.isArray(e)||(e=[e]),e.forEach(n=>{n!=null&&k.assert(n.dtype!=="complex64",()=>`${t} does not support complex64 tensors in the CPU backend.`)})}function jhe(e){let t=new Float32Array(e.length);for(let n=0;n<e.length;++n)t[n]=Math.abs(e[n]);return t}function Or(e){return(t,n,r,s,a)=>{let o=_.assertAndGetBroadcastShape(t,n),i=o.length,l=k.computeStrides(o),u=k.sizeFromShape(o),c=k.getTypedArrayFromDType(a,u),d=t.length,h=n.length,p=k.computeStrides(t),f=k.computeStrides(n),m=_.getBroadcastDims(t,o),g=_.getBroadcastDims(n,o);if(m.length+g.length===0)for(let y=0;y<c.length;++y)c[y]=e(r[y%r.length],s[y%s.length]);else for(let y=0;y<c.length;++y){let A=k.indexToLoc(y,i,l),x=A.slice(-d);m.forEach(w=>x[w]=0);let b=k.locToIndex(x,d,p),v=A.slice(-h);g.forEach(w=>v[w]=0);let I=k.locToIndex(v,h,f);c[y]=e(r[b],s[I])}return[c,o]}}function G5(e){let{inputs:t,backend:n}=e,{real:r,imag:s}=t,a=n.data.get(r.dataId).values,o=n.data.get(s.dataId).values,i=n.makeTensorInfo(r.shape,"complex64"),l=n.data.get(i.dataId);return 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i=_.assertAndGetBroadcastShape(t,n),l=k.sizeFromShape(i),u=i.length,c=k.computeStrides(i),d=k.getTypedArrayFromDType("float32",l),h=k.getTypedArrayFromDType("float32",l),p=_.getBroadcastDims(t,i),f=_.getBroadcastDims(n,i),m=_.mergeRealAndImagArrays(r,s),g=_.mergeRealAndImagArrays(a,o),y=t.length,A=k.computeStrides(t),x=n.length,b=k.computeStrides(n);if(p.length+f.length===0)for(let v=0;v<d.length;v++){let I=v%m.length,w=v%g.length,S=e(m[I*2],m[I*2+1],g[w*2],g[w*2+1]);d[v]=S.real,h[v]=S.imag}else for(let v=0;v<d.length;v++){let I=k.indexToLoc(v,u,c),w=I.slice(-y);p.forEach(R=>w[R]=0);let S=k.locToIndex(w,y,A),E=I.slice(-x);f.forEach(R=>E[R]=0);let D=k.locToIndex(E,x,b),$=e(m[S*2],m[S*2+1],g[D*2],g[D*2+1]);d[v]=$.real,h[v]=$.imag}return[d,h,i]}}var DC=Or((e,t)=>e+t),Khe=q5((e,t,n,r)=>({real:e+n,imag:t+r})),g7e=Qr(Ma,DC,Khe);function Xhe(e,t,n,r,s){let a=k.sizeFromShape(r),o=k.makeZerosTypedArray(s,n);for(let i=0;i<e.length;i++){let l=e[i];if(l<0)throw new Error("Input x must be 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BC=Or((e,t)=>e>t?1:0),w7e=Qr(dl,BC,null,"bool"),WC=Or((e,t)=>e>=t?1:0),k7e=Qr(Ro,WC,null,"bool"),VC=Or((e,t)=>e<t?1:0),I7e=Qr(fl,VC,null,"bool"),UC=Or((e,t)=>e<=t?1:0),S7e=Qr(ml,UC,null,"bool");function Qhe(e,t,n){let r=(t-e)/(n-1),s=k.makeZerosTypedArray(n,"float32");s[0]=e;for(let a=1;a<s.length;a++)s[a]=s[a-1]+r;return s}var HC=yu(e=>Math.log(e)),T7e=Au(_o,HC);function epe(e,t,n,r){let s=k.getTypedArrayFromDType(r,k.sizeFromShape(n));for(let a=0;a<s.length;++a){let o=a*t,i=e[o];for(let l=0;l<t;++l){let u=e[o+l];(Number.isNaN(u)||u>i)&&(i=u)}s[a]=i}return s}var GC=Or((e,t)=>Math.max(e,t)),N7e=Qr(Do,GC),jC=Or((e,t)=>Math.min(e,t)),C7e=Qr(Fo,jC),K5=Or((e,t)=>e*t),tpe=q5((e,t,n,r)=>({real:e*n-t*r,imag:e*r+t*n})),E7e=Qr(Mo,K5,tpe);function npe(e,t,n){let r=k.createScalarValue(-1,n);return K5([],t,r,e,n)}var qC=Or((e,t)=>e!==t?1:0),$7e=Qr(vl,qC,null,"bool");function rpe(e,t,n,r,s){let 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        }
      `;else{let n=Vn("rc",t),r=wt(t),s=rfe(t,e,n),a=sfe(t,e[e.length-1],e[e.length-2],n),o=afe(e,n);this.userCode=`
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          if(${s}) {
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        }
      `}}};function nfe(e,t){let n=[];for(let r=0;r<=1;r++)for(let s=0;s<=1;s++){let a=`${r===0?"r":"rp1"}, ${s===0?"c":"cp1"}`;for(let o=2;o<e;o++)a=`${t[t.length-1-o]},`+a;n.push(a)}return n}function rfe(e,t,n){if(e===1)return`rc > ${t[0]}`;let r="";for(let s=e-2;s<e;s++)r+=`${n[s]} >= ${t[s]}`,s<e-1&&(r+="||");return r}function sfe(e,t,n,r){if(e===1)return"";let s=r.slice(-2);return`
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        int cols = ${e[2]};

        ${n}

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      void main() {
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        float y = unaryOperation(x);

        setOutput(y);
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  result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);
  result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);

  return result;
`,Afe=`
  vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));
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  result.r = isNaN.r ? x.r : result.r;
  result.g = isNaN.g ? x.g : result.g;
  result.b = isNaN.b ? x.b : result.b;
  result.a = isNaN.a ? x.a : result.a;

  return result;
`,xfe=`
  vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));
  bvec4 isNaN = isnan(x);

  result.r = isNaN.r ? x.r : result.r;
  result.g = isNaN.g ? x.g : result.g;
  result.b = isNaN.b ? x.b : result.b;
  result.a = isNaN.a ? x.a : result.a;

  return result;
`,bfe="return 1.0 / (1.0 + exp(-1.0 * x));",xu=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.enableShapeUniforms=Mm(this.outputShape.length),this.userCode=`
      vec4 unaryOperation(vec4 x) {
        ${t}
      }

      void main() {
        vec4 x = getAAtOutCoords();
        vec4 y = unaryOperation(x);

        setOutput(y);
      }
    `}},vfe=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=e;let t=e.length,n=Vn("rc",t),r=wt(t),s=efe(t,n),a=n.slice(-2),o=t<=1?"rc":`vec2(${a.join(",")})`;this.userCode=`
      void main() {
        ${r} rc = getOutputCoords();
        vec4 packedInput = getA(${s});

        setOutput(getChannel(packedInput, ${o}));
      }
    `}},wfe=da.whereImpl,kfe=1e-7,Ife=1e-4,zm={};function Sfe(e){return e in zm||(zm[e]={}),zm[e]}var Tfe=re().getNumber("CPU_HANDOFF_SIZE_THRESHOLD"),Nfe=600;function Cfe(){return re().global.screen==null?1024:re().global.screen.height*re().global.screen.width*window.devicePixelRatio*Nfe/1024/1024}var lE=class extends Lp{constructor(e){super();if(this.pendingRead=new WeakMap,this.pendingDisposal=new WeakSet,this.dataRefCount=new WeakMap,this.numBytesInGPU=0,this.uploadWaitMs=0,this.downloadWaitMs=0,this.lastGlFlushTime=0,this.warnedAboutMemory=!1,this.pendingDeletes=0,this.disposed=!1,!re().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(e==null){let t=Bs(re().getNumber("WEBGL_VERSION"));this.binaryCache=Sfe(re().getNumber("WEBGL_VERSION")),this.gpgpu=new Fm(t),this.canvas=t.canvas,this.gpgpuCreatedLocally=!0}else this.gpgpu=e,this.binaryCache={},this.gpgpuCreatedLocally=!1,this.canvas=e.gl.canvas;this.textureManager=new ife(this.gpgpu),this.numMBBeforeWarning=Cfe(),this.texData=new d1(this,Ba())}nextDataId(){return lE.nextDataId++}numDataIds(){return this.texData.numDataIds()-this.pendingDeletes}write(e,t,n){if((re().getBool("WEBGL_CHECK_NUMERICAL_PROBLEMS")||re().getBool("DEBUG"))&&this.checkNumericalProblems(e),n==="complex64"&&e!=null)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");let r={id:this.nextDataId()};return this.texData.set(r,{shape:t,dtype:n,values:e,usage:Fr.UPLOAD,refCount:1}),r}refCount(e){return this.texData.has(e)?this.texData.get(e).refCount:0}incRef(e){let t=this.texData.get(e);t.refCount++}decRef(e){if(this.texData.has(e)){let t=this.texData.get(e);t.refCount--}}move(e,t,n,r,s){if(re().getBool("DEBUG")&&this.checkNumericalProblems(t),r==="complex64")throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(e,{shape:n,dtype:r,values:t,usage:Fr.UPLOAD,refCount:s})}disposeIntermediateTensorInfo(e){this.disposeData(e.dataId)}readSync(e){let t=this.texData.get(e),{values:n,dtype:r,complexTensorInfos:s,slice:a,shape:o,isPacked:i}=t;if(a!=null){let d;i?d=new xu(o,Pm):d=new Qa(o,Pm);let h=this.runWebGLProgram(d,[{dataId:e,shape:o,dtype:r}],r),p=this.readSync(h.dataId);return this.disposeIntermediateTensorInfo(h),p}if(n!=null)return this.convertAndCacheOnCPU(e);if(r==="string")return n;let l=this.activeTimers!=null,u;l&&(u=k.now());let c;if(r==="complex64"){let d=this.readSync(s.real.dataId),h=this.readSync(s.imag.dataId);c=_.mergeRealAndImagArrays(d,h)}else c=this.getValuesFromTexture(e);return l&&(this.downloadWaitMs+=k.now()-u),this.convertAndCacheOnCPU(e,c)}async read(e){if(this.pendingRead.has(e)){let p=this.pendingRead.get(e);return new Promise(f=>p.push(f))}let t=this.texData.get(e),{values:n,shape:r,slice:s,dtype:a,complexTensorInfos:o,isPacked:i}=t;if(s!=null){let p;i?p=new xu(r,Pm):p=new Qa(r,Pm);let f=this.runWebGLProgram(p,[{dataId:e,shape:r,dtype:a}],a),m=this.read(f.dataId);return this.disposeIntermediateTensorInfo(f),m}if(n!=null)return this.convertAndCacheOnCPU(e);if(!re().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&re().getNumber("WEBGL_VERSION")===2)throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");let l=null,u;if(a!=="complex64"&&re().get("WEBGL_BUFFER_SUPPORTED")){u=this.decode(e);let p=this.texData.get(u.dataId);l=this.gpgpu.createBufferFromTexture(p.texture,...rh(r))}this.pendingRead.set(e,[]),a!=="complex64"&&await this.gpgpu.createAndWaitForFence();let c;if(a==="complex64"){let p=await Promise.all([this.read(o.real.dataId),this.read(o.imag.dataId)]),f=p[0],m=p[1];c=_.mergeRealAndImagArrays(f,m)}else if(l==null)c=this.getValuesFromTexture(e);else{let p=k.sizeFromShape(r);c=this.gpgpu.downloadFloat32MatrixFromBuffer(l,p)}if(u!=null&&this.disposeIntermediateTensorInfo(u),l!=null){let p=this.gpgpu.gl;Ie(p,()=>p.deleteBuffer(l))}let d=this.convertAndCacheOnCPU(e,c),h=this.pendingRead.get(e);return this.pendingRead.delete(e),h.forEach(p=>p(d)),this.pendingDisposal.has(e)&&(this.pendingDisposal.delete(e),this.disposeData(e)&&Ba().removeDataId(e,this),this.pendingDeletes--),d}bufferSync(e){let t=this.readSync(e.dataId),n=t;if(e.dtype==="string")try{n=t.map(r=>k.decodeString(r))}catch(r){throw new Error("Failed to decode encoded string bytes into utf-8")}return ze(e.shape,e.dtype,n)}checkNumericalProblems(e){if(e!=null)for(let t=0;t<e.length;t++){let n=e[t];if(!PN(n))throw re().getBool("WEBGL_RENDER_FLOAT32_CAPABLE")?Error(`The value ${n} cannot be represented with your current settings. Consider enabling float32 rendering: 'tf.env().set('WEBGL_RENDER_FLOAT32_ENABLED', true);'`):Error(`The value ${n} cannot be represented on this device.`)}}getValuesFromTexture(e){let{shape:t,dtype:n,isPacked:r}=this.texData.get(e),s=k.sizeFromShape(t);if(re().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){let d=this.decode(e),h=this.texData.get(d.dataId),p=this.gpgpu.downloadMatrixFromPackedTexture(h.texture,...rh(t)).subarray(0,s);return this.disposeIntermediateTensorInfo(d),p}let a=re().getBool("WEBGL_PACK")&&r===!0,o=a?$m(t):t,i=a?new rhe(o):new nhe(o),l=this.runWebGLProgram(i,[{shape:o,dtype:n,dataId:e}],"float32"),u=this.texData.get(l.dataId),c=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(u.texture,u.texShape[0],u.texShape[1]).subarray(0,s);return this.disposeIntermediateTensorInfo(l),c}timerAvailable(){return re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0}async time(e){let t=this.activeTimers,n=[],r=!1;this.programTimersStack==null?(this.programTimersStack=n,r=!0):this.activeTimers.push(n),this.activeTimers=n,e();let s=k.flatten(this.activeTimers.map(i=>i.query)).filter(i=>i!=null),a=k.flatten(this.activeTimers.map(i=>i.name)).filter(i=>i!=null);this.activeTimers=t,r&&(this.programTimersStack=null);let o={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null};if(re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0){let i=await Promise.all(s);o.kernelMs=k.sum(i),o.getExtraProfileInfo=()=>i.map((l,u)=>({name:a[u],ms:l})).map(l=>`${l.name}: ${l.ms}`).join(", ")}else o.kernelMs={error:"WebGL query timers are not supported in this environment."};return this.uploadWaitMs=0,this.downloadWaitMs=0,o}memory(){return{unreliable:!1,numBytesInGPU:this.numBytesInGPU,numBytesInGPUAllocated:this.textureManager.numBytesAllocated,numBytesInGPUFree:this.textureManager.numBytesFree}}startTimer(){return re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:k.now(),endMs:null}}endTimer(e){return re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),e):(e.endMs=k.now(),e)}async getQueryTime(e){if(re().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0)return this.gpgpu.waitForQueryAndGetTime(e);let t=e;return t.endMs-t.startMs}disposeData(e,t=!1){if(this.pendingDisposal.has(e))return!1;if(!this.texData.has(e))return!0;if(t?this.texData.get(e).refCount=0:this.texData.get(e).refCount--,!t&&this.texData.get(e).refCount>0)return!1;if(this.pendingRead.has(e))return this.pendingDisposal.add(e),this.pendingDeletes++,!1;this.releaseGPUData(e);let{complexTensorInfos:n}=this.texData.get(e);return n!=null&&(this.disposeData(n.real.dataId,t),this.disposeData(n.imag.dataId,t)),this.texData.delete(e),!0}releaseGPUData(e){let{texture:t,dtype:n,texShape:r,usage:s,isPacked:a,slice:o}=this.texData.get(e),i=o&&o.origDataId||e,l=this.dataRefCount.get(i);l>1?this.dataRefCount.set(i,l-1):(this.dataRefCount.delete(i),t!=null&&(this.numBytesInGPU-=this.computeBytes(r,n),this.textureManager.releaseTexture(t,r,s,a)));let u=this.texData.get(e);u.texture=null,u.texShape=null,u.isPacked=!1,u.slice=null}getTexture(e){return this.uploadToGPU(e),this.texData.get(e).texture}getDataInfo(e){return this.texData.get(e)}shouldExecuteOnCPU(e,t=Tfe){return re().getBool("WEBGL_CPU_FORWARD")&&e.every(n=>this.texData.get(n.dataId).texture==null&&k.sizeFromShape(n.shape)<t)}getGPGPUContext(){return this.gpgpu}where(e){_.warn("tf.where() in webgl locks the UI thread. Call tf.whereAsync() instead");let t=e.dataSync();return wfe(e.shape,t)}packedUnaryOp(e,t,n){let r=new xu(e.shape,t),s=this.compileAndRun(r,[e],n);return Ba().makeTensorFromDataId(s.dataId,s.shape,s.dtype)}abs(e){if(this.shouldExecuteOnCPU([e])&&e.dtype!=="complex64"){let r=eE(this.texData.get(e.dataId).values);return this.makeOutput(e.shape,e.dtype,r)}if(re().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,iE,e.dtype);let t=new Qa(e.shape,iE),n=this.compileAndRun(t,[e]);return Ba().makeTensorFromDataId(n.dataId,n.shape,n.dtype)}makeTensorInfo(e,t,n){let r;if(t==="string"&&n!=null&&n.length>0&&k.isString(n[0])){let s=n.map(a=>k.encodeString(a));r=this.write(s,e,t)}else r=this.write(n,e,t);return this.texData.get(r).usage=null,{dataId:r,shape:e,dtype:t}}makeOutput(e,t,n){let{dataId:r}=this.makeTensorInfo(e,t,n);return Ba().makeTensorFromDataId(r,e,t,this)}unpackTensor(e){let t=new vfe(e.shape);return this.runWebGLProgram(t,[e],e.dtype)}packTensor(e){let t=new tfe(e.shape),n=!0;return this.runWebGLProgram(t,[e],e.dtype,null,n)}packedReshape(e,t){let n=[fi(e.shape),...mi(e.shape)],r={dtype:e.dtype,shape:n,dataId:e.dataId},s=[fi(t),...mi(t)],a=new rE(s,n),o=!0,i=this.runWebGLProgram(a,[r],e.dtype,null,o);return{dataId:i.dataId,shape:t,dtype:i.dtype}}decode(e){let t=this.texData.get(e),{isPacked:n,shape:r,dtype:s}=t,a=$m(r),o;n?o=new the(a):o=new ehe(a);let i=!0,l=this.runWebGLProgram(o,[{shape:a,dtype:s,dataId:e}],s,null,i);return{dtype:s,shape:r,dataId:l.dataId}}runWebGLProgram(e,t,n,r,s=!1){let a=this.makeTensorInfo(e.outputShape,n),o=this.texData.get(a.dataId);if(e.packedOutput&&(o.isPacked=!0),e.outPackingScheme===th.DENSE){let m=rh(e.outputShape);o.texShape=m.map(g=>g*2)}if(e.outTexUsage!=null&&(o.usage=e.outTexUsage),k.sizeFromShape(a.shape)===0)return o.values=k.getTypedArrayFromDType(a.dtype,0),a;let i=[],l=t.map(m=>{if(m.dtype==="complex64")throw new Error("GPGPUProgram does not support complex64 input. For complex64 dtypes, please separate the program into real and imaginary parts.");let g=this.texData.get(m.dataId);if(g.texture==null){if(!e.packedInputs&&k.sizeFromShape(m.shape)<=re().getNumber("WEBGL_SIZE_UPLOAD_UNIFORM"))return{shape:m.shape,texData:null,isUniform:!0,uniformValues:g.values};e.packedInputs&&(g.isPacked=!0,g.shape=m.shape)}else if(!!g.isPacked!=!!e.packedInputs)m=g.isPacked?this.unpackTensor(m):this.packTensor(m),i.push(m),g=this.texData.get(m.dataId);else if(g.isPacked&&!oh(g.shape,m.shape)){let y=m,A=m.shape;m.shape=g.shape,m=this.packedReshape(m,A),i.push(m),g=this.texData.get(m.dataId),y.shape=A}return this.uploadToGPU(m.dataId),{shape:m.shape,texData:g,isUniform:!1}});this.uploadToGPU(a.dataId);let u={shape:a.shape,texData:o,isUniform:!1},c=Ghe(e,l,u),d=this.getAndSaveBinary(c,()=>Uhe(this.gpgpu,e,l,u)),h=this.activeTimers!=null,p;h&&(p=this.startTimer()),Hhe(this.gpgpu,d,l,u,r),i.forEach(m=>this.disposeIntermediateTensorInfo(m)),h&&(p=this.endTimer(p),this.activeTimers.push({name:e.constructor.name,query:this.getQueryTime(p)}));let f=re().get("WEBGL_FLUSH_THRESHOLD");if(f>0){let m=k.now();m-this.lastGlFlushTime>f&&(this.gpgpu.gl.flush(),this.lastGlFlushTime=m)}if(!re().getBool("WEBGL_LAZILY_UNPACK")&&o.isPacked&&s===!1){let m=this.unpackTensor(a);return this.disposeIntermediateTensorInfo(a),m}return a}compileAndRun(e,t,n,r,s=!1){return n=n||t[0].dtype,this.runWebGLProgram(e,t,n,r,s)}getAndSaveBinary(e,t){return e in this.binaryCache||(this.binaryCache[e]=t()),this.binaryCache[e]}getTextureManager(){return this.textureManager}dispose(){this.disposed||(re().getBool("IS_TEST")||Object.keys(this.binaryCache).forEach(t=>{this.gpgpu.deleteProgram(this.binaryCache[t].webGLProgram),delete this.binaryCache[t]}),this.textureManager.dispose(),this.canvas!=null&&typeof HTMLCanvasElement!="undefined"&&this.canvas instanceof HTMLCanvasElement?this.canvas.remove():this.canvas=null,this.gpgpuCreatedLocally&&(this.gpgpu.program=null,this.gpgpu.dispose()),this.disposed=!0)}floatPrecision(){return this.floatPrecisionValue==null&&(this.floatPrecisionValue=Y(()=>{if(!re().get("WEBGL_RENDER_FLOAT32_ENABLED")){let e=re().getBool("DEBUG");re().set("DEBUG",!1);let t=this.abs(De(1e-8)).dataSync()[0];if(re().set("DEBUG",e),t>0)return 32}return 16})),this.floatPrecisionValue}epsilon(){return this.floatPrecision()===32?kfe:Ife}uploadToGPU(e){let t=this.texData.get(e),{shape:n,dtype:r,values:s,texture:a,usage:o,isPacked:i}=t;if(a!=null)return;let l=this.activeTimers!=null,u;l&&(u=k.now());let c=t.texShape;if(c==null&&(c=eC(n,i),t.texShape=c),s!=null){let d=$m(n),h,p=c[1],f=c[0],m=s instanceof Uint8Array;i?([p,f]=du(c[0],c[1]),h=new ahe(d,[f,p],m)):h=new she(d,[f,p],m);let g=this.makeTensorInfo([f,p],r);m?this.texData.get(g.dataId).usage=Fr.PIXELS:this.texData.get(g.dataId).usage=Fr.UPLOAD,this.gpgpu.uploadDenseMatrixToTexture(this.getTexture(g.dataId),p,f,s);let y=!0,A=this.runWebGLProgram(h,[g],r,null,y),x=this.texData.get(A.dataId);t.texture=x.texture,t.texShape=x.texShape,t.isPacked=x.isPacked,t.usage=x.usage,this.disposeIntermediateTensorInfo(g),this.texData.delete(A.dataId),t.values=null,l&&(this.uploadWaitMs+=k.now()-u)}else{let d=this.acquireTexture(c,o,r,i);t.texture=d}}convertAndCacheOnCPU(e,t){let n=this.texData.get(e),{dtype:r}=n;return this.releaseGPUData(e),t!=null&&(n.values=Efe(t,r)),n.values}acquireTexture(e,t,n,r){if(this.numBytesInGPU+=this.computeBytes(e,n),!this.warnedAboutMemory&&this.numBytesInGPU>this.numMBBeforeWarning*1024*1024){let s=(this.numBytesInGPU/1024/1024).toFixed(2);this.warnedAboutMemory=!0,console.warn(`High memory usage in GPU: ${s} MB, most likely due to a memory leak`)}return this.textureManager.acquireTexture(e,t,r)}computeBytes(e,t){return e[0]*e[1]*k.bytesPerElement(t)}},uh=lE;uh.nextDataId=0;function Efe(e,t){if(t==="float32"||t==="complex64")return e;if(t==="int32"||t==="bool"){let n=t==="int32"?new Int32Array(e.length):new Uint8Array(e.length);for(let r=0;r<n.length;++r)n[r]=Math.round(e[r]);return n}else throw new Error(`Unknown dtype ${t}`)}var $fe="3.8.0";function uE(){re().set("WEBGL_FORCE_F16_TEXTURES",!0)}mf.isBrowser()&&Cy("webgl",()=>new uh,2);var Rfe={forceHalfFloat:uE},cE=`
  if (isnan(a)) return a;
  if (isnan(b)) return b;
`,bu=class{constructor(e,t,n){this.variableNames=["A","B"],this.outputShape=_.assertAndGetBroadcastShape(t,n),this.enableShapeUniforms=Mm(this.outputShape.length),this.userCode=`
      float binaryOperation(float a, float b) {
        ${e}
      }

      void main() {
        float a = getAAtOutCoords();
        float b = getBAtOutCoords();
        setOutput(binaryOperation(a, b));
      }
    `}},Lm=`
  result.r = isNaN.r > 0. ? NAN : result.r;
  result.g = isNaN.g > 0. ? NAN : result.g;
  result.b = isNaN.b > 0. ? NAN : result.b;
  result.a = isNaN.a > 0. ? NAN : result.a;
`,ch=class{constructor(e,t,n,r=!1){this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=_.assertAndGetBroadcastShape(t,n);let s=this.outputShape.length;this.enableShapeUniforms=Mm(s);let a="";if(r)if(s===0||k.sizeFromShape(this.outputShape)===1)a=`
          result.y = 0.;
          result.z = 0.;
          result.w = 0.;
        `;else if(a=`
          ${wt(s)} coords = getOutputCoords();
        `,s===1)this.enableShapeUniforms?a+=`
            result.y = (coords + 1) >= outShape ? 0. : result.y;
            result.z = 0.;
            result.w = 0.;
          `:a+=`
            result.y = (coords + 1) >= ${this.outputShape[0]} ? 0. : result.y;
            result.z = 0.;
            result.w = 0.;
          `;else{let i=Vn("coords",s);this.enableShapeUniforms?a+=`
            bool nextRowOutOfBounds =
              (${i[s-2]} + 1) >= outShape[${s} - 2];
            bool nextColOutOfBounds =
              (${i[s-1]} + 1) >= outShape[${s} - 1];
            result.y = nextColOutOfBounds ? 0. : result.y;
            result.z = nextRowOutOfBounds ? 0. : result.z;
            result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;
          `:a+=`
            bool nextRowOutOfBounds =
              (${i[s-2]} + 1) >= ${this.outputShape[s-2]};
            bool nextColOutOfBounds =
              (${i[s-1]} + 1) >= ${this.outputShape[s-1]};
            result.y = nextColOutOfBounds ? 0. : result.y;
            result.z = nextRowOutOfBounds ? 0. : result.z;
            result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;
          `}this.userCode=`
      vec4 binaryOperation(vec4 a, vec4 b) {
        ${e}
      }

      void main() {
        vec4 a = getAAtOutCoords();
        vec4 b = getBAtOutCoords();

        vec4 result = binaryOperation(a, b);
        ${a}

        setOutput(result);
      }
    `}};function fr(e){let{inputs:t,backend:n}=e,{x:r}=t;return n.incRef(r.dataId),{dataId:r.dataId,shape:r.shape,dtype:r.dtype}}var _fe={kernelName:hl,backendName:"webgl",kernelFunc:fr};function eo(e){let{inputs:t,backend:n}=e,{real:r,imag:s}=t,a=n.makeTensorInfo(r.shape,"complex64"),o=n.texData.get(a.dataId),i=fr({inputs:{x:r},backend:n}),l=fr({inputs:{x:s},backend:n});return o.complexTensorInfos={real:i,imag:l},a}var Dfe={kernelName:v1,backendName:"webgl",kernelFunc:eo},dE="return (a < 0.) ? b * a : a;",hE=`
  vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
  return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);
`;function Ffe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{alpha:a}=r,o=n.makeTensorInfo([],"float32",k.createScalarValue(a,"float32")),i=re().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new ch(hE,s.shape,o.shape):new bu(dE,s.shape,o.shape),l=n.runWebGLProgram(i,[s,o],s.dtype);return n.disposeIntermediateTensorInfo(o),l}var Mfe={kernelName:pl,backendName:"webgl",kernelFunc:Ffe},pE="return (a < 0.) ? b * a : a;",fE=`
  vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
  return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);
`;function Ofe(e){let{inputs:t,backend:n}=e,{x:r,alpha:s}=t,a=re().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new ch(fE,r.shape,s.shape):new bu(pE,r.shape,s.shape);return n.runWebGLProgram(a,[r,s],r.dtype)}var Pfe={kernelName:Sl,backendName:"webgl",kernelFunc:Ofe},mE="if (isnan(x)) return x;",zfe=`
  if (isnan(a)) return a;
  if (isnan(b)) return b;
`,Lfe=`
  result.r = isNaN.r > 0. ? NAN : result.r;
  result.g = isNaN.g > 0. ? NAN : result.g;
  result.b = isNaN.b > 0. ? NAN : result.b;
  result.a = isNaN.a > 0. ? NAN : result.a;
`;function it({opSnippet:e,packedOpSnippet:t,cpuKernelImpl:n,dtype:r}){return({inputs:s,backend:a})=>{let{x:o}=s,i=a,l=r||o.dtype;if(i.shouldExecuteOnCPU([o])&&n!=null){let d=i.texData.get(o.dataId),h=n(d.values,l);return i.makeTensorInfo(o.shape,l,h)}let u=re().getBool("WEBGL_PACK_UNARY_OPERATIONS")&&t!=null,c;return u?c=new xu(o.shape,t):c=new Qa(o.shape,e),i.runWebGLProgram(c,[o],l)}}function Tn({opSnippet:e,packedOpSnippet:t,checkOutOfBounds:n=!1,supportsComplex:r=!1,cpuKernelImpl:s,dtype:a}){return({inputs:o,backend:i})=>{let{a:l,b:u}=o,c=i;if(r&&l.dtype==="complex64"){let f=c.texData.get(l.dataId),m=c.texData.get(u.dataId),[g,y]=[[f.complexTensorInfos.real,m.complexTensorInfos.real],[f.complexTensorInfos.imag,m.complexTensorInfos.imag]].map(x=>{let[b,v]=x,I={dataId:b.dataId,dtype:b.dtype,shape:l.shape},w={dataId:v.dataId,dtype:v.dtype,shape:u.shape},S=new bu(e,l.shape,u.shape);return c.runWebGLProgram(S,[I,w],Ur(b.dtype,v.dtype))}),A=eo({inputs:{real:g,imag:y},backend:c});return c.disposeIntermediateTensorInfo(g),c.disposeIntermediateTensorInfo(y),A}let d=a||Ur(l.dtype,u.dtype);if((l.dtype==="string"||u.dtype==="string"||c.shouldExecuteOnCPU([l,u]))&&s!=null){let f=c.texData.get(l.dataId).values,m=c.texData.get(u.dataId).values,g=l.dtype==="string"?_.fromUint8ToStringArray(f):f,y=l.dtype==="string"?_.fromUint8ToStringArray(m):m,[A,x]=s(l.shape,u.shape,g,y,d),b=c.makeTensorInfo(x,d),v=c.texData.get(b.dataId);return v.values=A,b}let h=re().getBool("WEBGL_PACK_BINARY_OPERATIONS")&&t!=null,p;return h?p=new ch(t,l.shape,u.shape,n):p=new bu(e,l.shape,u.shape),c.runWebGLProgram(p,[l,u],d)}}function Bm(e,t=!1){if(e==="linear")return t?gfe:dfe;if(e==="relu")return t?Afe:pfe;if(e==="elu")return t?yfe:hfe;if(e==="relu6")return t?xfe:ffe;if(e==="prelu")return t?fE:pE;if(e==="leakyrelu")return t?hE:dE;if(e==="sigmoid")return t?bfe:mfe;throw new Error(`Activation ${e} has not been implemented for the WebGL backend.`)}var gE=class{constructor(e,t,n,r=!1,s=!1,a=!1,o=null,i=!1,l=!1){this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n;let u=r?e[1]:e[2],c=Math.ceil(u/2),d=r?"i * 2, rc.y":"rc.y, i * 2",h=s?"rc.z, i * 2":"i * 2, rc.z",p=r?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],f=s?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],m="",g="";o&&(i?m=`vec4 activation(vec4 a) {
          vec4 b = getPreluActivationWeightsAtOutCoords();
          ${o}
        }`:l?m=`vec4 activation(vec4 a) {
          vec4 b = getLeakyreluAlphaAtOutCoords();
          ${o}
        }`:m=`vec4 activation(vec4 x) {
          ${o}
        }`,g="result = activation(result);");let y=a?"result += getBiasAtOutCoords();":"";a&&this.variableNames.push("bias"),i&&this.variableNames.push("preluActivationWeights"),l&&this.variableNames.push("leakyreluAlpha");let A="rc.x",x="rc.x";e[0]<t[0]?A=`int(min(float(rc.x), ${e[0]-1}.))`:t[0]<e[0]&&(x=`int(min(float(rc.x), ${t[0]-1}.))`),this.userCode=`
      ${m}

      const float sharedDimension = ${c}.0;

      vec4 dot2x2ARowBCol(ivec3 rc) {
        vec4 result = vec4(0);
        for (int i = 0; i < ${c}; i++) {
          int batchA = ${A};
          int batchB = ${x};
          vec4 a = getMatrixA(batchA, ${d});
          vec4 b = getMatrixB(batchB, ${h});

          // These swizzled products need to be separately added.
          // See: https://github.com/tensorflow/tfjs/issues/1735
          result += (${p[0]} * ${f[0]});
          result += (${p[1]} * ${f[1]});
        }
        return result;
      }

      void main() {
        ivec3 rc = getOutputCoords();
        vec4 result = dot2x2ARowBCol(rc);

        ${y}

        ${g}

        setOutput(result);
      }
    `}},yE={REAL:"return areal * breal - aimag * bimag;",IMAG:"return areal * bimag + aimag * breal;"},AE=class{constructor(e,t,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=_.assertAndGetBroadcastShape(t,n),this.userCode=`
      float binaryOpComplex(
          float areal, float aimag, float breal, float bimag) {
        ${e}
      }

      void main() {
        float areal = getARealAtOutCoords();
        float aimag = getAImagAtOutCoords();
        float breal = getBRealAtOutCoords();
        float bimag = getBImagAtOutCoords();
        setOutput(binaryOpComplex(areal, aimag, breal, bimag));
      }
    `}},xE="return a * b;";function Y5(e){let{inputs:t,backend:n}=e,{a:r,b:s}=t,a=_.upcastType(r.dtype,s.dtype);if(r.dtype==="complex64"){let i=n.texData.get(r.dataId),l=n.texData.get(s.dataId),u=new AE(yE.REAL,r.shape,s.shape),c=new AE(yE.IMAG,r.shape,s.shape),d=[{dataId:i.complexTensorInfos.real.dataId,dtype:i.complexTensorInfos.real.dtype,shape:r.shape},{dataId:i.complexTensorInfos.imag.dataId,dtype:i.complexTensorInfos.imag.dtype,shape:r.shape},{dataId:l.complexTensorInfos.real.dataId,dtype:l.complexTensorInfos.real.dtype,shape:s.shape},{dataId:l.complexTensorInfos.imag.dataId,dtype:l.complexTensorInfos.imag.dtype,shape:s.shape}],h=n.runWebGLProgram(u,d,"float32"),p=n.runWebGLProgram(c,d,"float32"),f=eo({inputs:{real:h,imag:p},backend:n});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p),f}if(n.shouldExecuteOnCPU([r,s])){let i=n.texData.get(r.dataId),l=n.texData.get(s.dataId),[u,c]=Ppe(r.shape,s.shape,i.values,l.values,a),d=n.makeTensorInfo(c,a),h=n.texData.get(d.dataId);return h.values=u,d}let o;return re().getBool("WEBGL_PACK_BINARY_OPERATIONS")?o=new ch(xE,r.shape,s.shape):o=new bu(xE,r.shape,s.shape),n.runWebGLProgram(o,[r,s],a)}var Bfe={kernelName:Mo,backendName:"webgl",kernelFunc:Y5};function Wfe(e,t,n){let r=[fi(e.shape),...mi(e.shape)],s={dtype:e.dtype,shape:r,dataId:e.dataId},a=[fi(t),...mi(t)],o=new rE(a,r),i=!0,l=n.runWebGLProgram(o,[s],e.dtype,null,i);return{dataId:l.dataId,shape:t,dtype:l.dtype}}function ve(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{shape:a}=r,o=n,i=k.sizeFromShape(s.shape),l=k.inferFromImplicitShape(a,i),u=k.sizeFromShape(l);k.assert(i===u,()=>`The new shape (${l}) has ${u} elements and the old shape (${s.shape}) has ${i} elements. The new shape and old shape must have the same number of elements.`);let c=o.texData.get(s.dataId);return c.isPacked&&!oh(s.shape,l)&&!(c.texture!==null&&oh(c.shape,l))?Wfe(s,l,o):(o.incRef(s.dataId),{dataId:s.dataId,shape:l,dtype:s.dtype})}var Vfe={kernelName:Jc,backendName:"webgl",kernelFunc:ve},bE=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:r,inSize:s,outSize:a}=e;this.outputShape=[r,a];let o=Math.floor(n/4)*4,i=n%4,l="sumValue += dot(values, ones);";if(t!=null){let c=1/t;l=`sumValue += dot(values * ${k.isInt(c)?c.toPrecision(2):c}, ones);`}let u="";s%n>0&&(u=`
        if (inIdx < 0 || inIdx >= ${s}) {
          return 0.0;
        }
      `),this.userCode=`
      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);

      float getValue(int batch, int inIdx) {
        ${u}
        return getX(batch, inIdx);
      }

      void main() {
        ivec2 coords = getOutputCoords();
        int batch = coords[0];
        int outIdx = coords[1];
        int inOffset = outIdx * ${n};

        float sumValue = 0.0;

        for (int i = 0; i < ${o}; i += 4) {
          int inIdx = inOffset + i;
          vec4 values = vec4(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            getValue(batch, inIdx + 3)
          );

          ${l}
        }

        int inIdx = inOffset + ${o};
        if (${i===1}) {
          vec4 values = vec4(getValue(batch, inIdx), 0.0, 0.0, 0.0);

          ${l}
        } else if (${i===2}) {
          vec4 values = vec4(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1), 0.0, 0.0);

          ${l}
        } else if (${i===3}) {
          vec4 values = vec4(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2), 0.0);

          ${l}
        }
        setOutput(sumValue);
      }
    `}},Ufe=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:r,inSize:s,outSize:a}=e;this.outputShape=[r,a];let o="0.0",i="";t==="prod"?o="1.0":t==="min"?(o="1.0 / 1e-20",i="min"):t==="max"&&(o="-1.0 / 1e-20",i="max");let l=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="sum"?l="sumValue":t==="prod"?l="prodValue":t==="all"?l="allValue":t==="any"&&(l="anyValue");let u=Math.floor(n/4)*4,c=n%4,d=`
      if (${t==="sum"}) {
        sumValue += dot(values, ones);
      } else if (${t==="prod"}) {
        vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);
        prodValue *= tmp[0] * tmp[1];
      } else {
        minMaxValue = ${i}(values, minMaxValue);
        if (${t==="min"} || ${t==="max"}) {
          minMaxValue = ${i}(values, minMaxValue);
          bvec4 isNaN = isnan(values);
          if (isNaN.r || isNaN.g || isNaN.b || isNaN.a) {
            minMaxValue = vec4(NAN);
          }
        }
      }
    `,h="vec4";t==="all"?(o="1.0",d=`
        bool reducedAllValue = all(values);
        float floatedReducedAllValue = float(reducedAllValue);
        allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);
      `,h="bvec4"):t==="any"&&(o="0.0",d=`
        bool reducedAnyValue = any(values);
        float floatedReducedAnyValue = float(reducedAnyValue);
        anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);
      `,h="bvec4");let p="";s%n>0&&(p=`
        if (inIdx < 0 || inIdx >= ${s}) {
          return initializationValue;
        }
      `),this.userCode=`
      const float initializationValue = ${o};
      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);

      float getValue(int batch, int inIdx) {
        ${p}
        return getX(batch, inIdx);
      }

      void main() {
        ivec2 coords = getOutputCoords();
        int batch = coords[0];
        int outIdx = coords[1];
        int inOffset = outIdx * ${n};

        vec4 minMaxValue = vec4(${o});
        float prodValue = 1.0;
        float sumValue = 0.0;
        float allValue = 1.0;
        float anyValue = 0.0;

        for (int i = 0; i < ${u}; i += 4) {
          int inIdx = inOffset + i;
          ${h} values = ${h}(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            getValue(batch, inIdx + 3)
          );

          ${d}
        }

        int inIdx = inOffset + ${u};
        if (${c===1}) {
          ${h} values = ${h}(
            getValue(batch, inIdx),
            initializationValue,
            initializationValue,
            initializationValue
          );

          ${d}
        } else if (${c===2}) {
          ${h} values = ${h}(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            initializationValue,
            initializationValue
          );

          ${d}
        } else if (${c===3}) {
          ${h} values = ${h}(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            initializationValue
          );

          ${d}
        }
        setOutput(${l});
      }
    `}};function Hfe(e){let t=[];for(;t.length===0||t[t.length-1].outSize!==1;){let n=t.length?t[t.length-1].outSize:e[1],r=_.computeOptimalWindowSize(n);t.push({inSize:n,windowSize:r,outSize:Math.ceil(n/r)})}return t}function Ai(e,t,n,r){let s=Hfe(e.shape),a=e;for(let o=0;o<s.length;o++){let{inSize:i,windowSize:l,outSize:u}=s[o],c,d;n==="mean"?c=o===0?new bE({windowSize:l,inSize:i,batchSize:e.shape[0],outSize:u},i):new bE({windowSize:l,inSize:i,batchSize:e.shape[0],outSize:u}):c=new Ufe({windowSize:l,inSize:i,batchSize:e.shape[0],outSize:u},n),d=a,a=r.runWebGLProgram(c,[a],t),d.dataId!==e.dataId&&r.disposeIntermediateTensorInfo(d)}return a}var Gfe=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let a=0;a<n.length;a++)n[a]=e[t[a]];this.outputShape=n,this.rank=n.length;let r=wt(this.rank),s=jfe(t);this.userCode=`
    void main() {
      ${r} resRC = getOutputCoords();
      setOutput(getA(${s}));
    }
    `}};function jfe(e){let t=e.length;if(t>6)throw Error(`Transpose for rank ${t} is not yet supported`);let n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],r=new Array(t);for(let s=0;s<e.length;s++)r[e[s]]=n[s];return r.join()}var qfe=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;let n=new Array(e.length);for(let u=0;u<n.length;u++)n[u]=e[t[u]];if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error(`Packed transpose for rank ${this.rank} is not yet supported.`);let r=wt(this.rank),s=nE("rc",this.rank),a=new Array(this.rank);for(let u=0;u<t.length;u++)a[t[u]]=s[u];let o=`vec2(${a.slice(-2).join()})`,i=`++${s[this.rank-1]} < ${n[this.rank-1]}`,l=`getChannel(getA(${a.join()}), ${o})`;this.userCode=`
    void main() {
      ${r} rc = getOutputCoords();
      vec4 result = vec4(0.);
      result[0] = ${l};
      if(${i}) {
        result[1] = ${l};
      }
      --${s[this.rank-1]};
      if(++${s[this.rank-2]} < ${n[this.rank-2]}) {
        result[2] = ${l};
        if(${i}) {
          result[3] = ${l};
        }
      }
      setOutput(result);
    }
    `}};function Wm(e,t,n){let r=re().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new qfe(e.shape,t):new Gfe(e.shape,t);return n.runWebGLProgram(r,[e],e.dtype)}function Kfe(e,t,n,r){let s=t,a=e.shape.length,o=k.parseAxisParam(s,e.shape),i=o,l=_.getAxesPermutation(i,a),u=l!=null,c=e;u&&(c=Wm(e,l,r),i=_.getInnerMostAxes(i.length,a)),_.assertAxesAreInnerMostDims("sum",i,a);let[d,h]=_.computeOutAndReduceShapes(c.shape,i),p=d;n&&(p=_.expandShapeToKeepDim(d,o));let f=k.sizeFromShape(h),g=k.sizeFromShape(e.shape)/f,y=ve({inputs:{x:c},attrs:{shape:[g,f]},backend:r}),A=cy(e.dtype),x=Ai(y,A,"sum",r),b=ve({inputs:{x},attrs:{shape:p},backend:r});return r.disposeIntermediateTensorInfo(y),r.disposeIntermediateTensorInfo(x),u&&r.disposeIntermediateTensorInfo(c),b}function Vm(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r;return Kfe(s,a,o,n)}var Xfe={kernelName:Fl,backendName:"webgl",kernelFunc:Vm};function Un(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{perm:a}=r,o=n,i=s.shape.length,l=new Array(i);for(let c=0;c<l.length;c++)l[c]=s.shape[a[c]];let u;if(o.shouldExecuteOnCPU([s])){let d=o.texData.get(s.dataId).values,h=Z5(d,s.shape,s.dtype,a,l);u=o.makeTensorInfo(l,s.dtype);let p=o.texData.get(u.dataId);p.values=h}else u=Wm(s,a,o);return u}var Zfe={kernelName:zl,backendName:"webgl",kernelFunc:Un},vE=1e3;function Um({a:e,b:t,transposeA:n,transposeB:r,backend:s,bias:a=null,preluActivationWeights:o=null,leakyreluAlpha:i=0,activation:l=null}){let u=e.shape.length,c=t.shape.length,d=n?e.shape[u-2]:e.shape[u-1],h=r?t.shape[c-1]:t.shape[c-2],p=n?e.shape[u-1]:e.shape[u-2],f=r?t.shape[c-2]:t.shape[c-1],m=e.shape.slice(0,-2),g=t.shape.slice(0,-2),y=k.sizeFromShape(m),A=k.sizeFromShape(g),x=y===A||y===1||A===1;k.assert(u>=2&&c>=2&&x,()=>`Error in matMul: the input batch dimensions must either be the same or at least one input batch dimension must be 1. Got input batch dimensions of (${m}) and (${g}).`);let v=(y>A?e.shape.slice(0,-2):t.shape.slice(0,-2)).concat([p,f]);k.assert(d===h,()=>`Error in matMul: inner shapes (${d}) and (${h}) of Tensors with shapes ${e.shape} and ${t.shape} and transposeA=${n} and transposeB=${r} must match.`);let I=n?[y,d,p]:[y,p,d],w=r?[A,f,h]:[A,h,f],S=ve({inputs:{x:e},backend:s,attrs:{shape:I}}),E=ve({inputs:{x:t},backend:s,attrs:{shape:w}}),D=[S,E],$=Math.max(y,A),R=n?S.shape[1]:S.shape[2],N=a!=null,M=o!=null,B=l==="leakyrelu",q=l!=null?Bm(l,!0):null,X=N||M||B||q!=null,J;if((p===1||f===1)&&R>vE&&X===!1){let ae=S,se=E;n&&(ae=Un({inputs:{x:S},backend:s,attrs:{perm:[0,2,1]}}),D.push(ae)),r&&(se=Un({inputs:{x:E},backend:s,attrs:{perm:[0,2,1]}}),D.push(se));let oe=f!==1,ne=f===1,ce=ae;oe&&(ce=ve({inputs:{x:ae},backend:s,attrs:{shape:[$,R,1]}}),D.push(ce));let he=f===1?2:1,me=se;ne&&(me=ve({inputs:{x:se},backend:s,attrs:{shape:[$,1,R]}}),D.push(me));let be=Y5({inputs:{a:ce,b:me},backend:s});J=Vm({inputs:{x:be},backend:s,attrs:{axis:he,keepDims:!0}}),D.push(be)}else{let ae=Ur(e.dtype,t.dtype),se=new gE(I,w,[$,p,f],n,r,N,q,M,B),oe=[S,E];if(a!=null&&oe.push(a),M&&oe.push(o),B){let ne=s.makeTensorInfo([],"float32",k.createScalarValue(i,"float32"));oe.push(ne),D.push(ne)}J=s.runWebGLProgram(se,oe,ae)}let ee=ve({inputs:{x:J},backend:s,attrs:{shape:v}});D.push(J);for(let ae of D)s.disposeIntermediateTensorInfo(ae);return ee}function Yfe(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a,bias:o,preluActivationWeights:i}=t,{transposeA:l,transposeB:u,activation:c,leakyreluAlpha:d}=r;return Um({a:s,b:a,transposeA:l,transposeB:u,backend:n,bias:o,preluActivationWeights:i,leakyreluAlpha:d,activation:c})}var Jfe={kernelName:Ll,backendName:"webgl",kernelFunc:Yfe},wE="return abs(x);";function Qfe(e){let{inputs:t,backend:n}=e,{x:r}=t;if(n.shouldExecuteOnCPU([r])&&r.dtype!=="complex64"){let a=n.texData.get(r.dataId),o=eE(a.values);return n.makeTensorInfo(r.shape,r.dtype,o)}let s;return re().getBool("WEBGL_PACK_UNARY_OPERATIONS")?s=new xu(r.shape,wE):s=new Qa(r.shape,wE),n.runWebGLProgram(s,[r],r.dtype)}var eme={kernelName:Ac,backendName:"webgl",kernelFunc:Qfe},tme=gs+`
  if (abs(x) > 1.) {
    return NAN;
  }
  return acos(x);
`,nme=it({opSnippet:tme}),rme={kernelName:xc,backendName:"webgl",kernelFunc:nme},sme=gs+`
  if (x < 1.0) return NAN;
return log(x + sqrt(x * x - 1.0));`,ame=it({opSnippet:sme}),ome={kernelName:bc,backendName:"webgl",kernelFunc:ame},kE="return a + b;",ime=Tn({opSnippet:kE,packedOpSnippet:kE,supportsComplex:!0,cpuKernelImpl:Ape}),lme={kernelName:Ma,backendName:"webgl",kernelFunc:ime},ume=class{constructor(e,t){this.outputShape=[],this.outputShape=e,this.variableNames=t.map((s,a)=>`T${a}`);let n=[];this.variableNames.forEach(s=>{n.push(`float v${s} = get${s}AtOutCoords();`)});let r=this.variableNames.map(s=>`v${s}`).join(" + ");this.userCode=`
      void main() {
        ${n.join(`
        `)}

        float result = ${r};
        setOutput(result);
      }
    `}},cme=class{constructor(e,t){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.variableNames=t.map((s,a)=>`T${a}`);let n=[];this.variableNames.forEach(s=>{n.push(`vec4 v${s} = get${s}AtOutCoords();`)});let r=this.variableNames.map(s=>`v${s}`).join(" + ");this.userCode=`
      void main() {
        ${n.join(`
        `)}

        vec4 result = ${r};
        setOutput(result);
      }
    `}};function Hm(e){let{inputs:t,backend:n}=e,r=t;if(r.length===1)return fr({inputs:{x:r[0]},backend:n});if(r.length>re().get("WEBGL_MAX_TEXTURES_IN_SHADER")){let l=Math.floor(r.length/2),u=Hm({inputs:r.slice(0,l),backend:n}),c=Hm({inputs:r.slice(l),backend:n});return Hm({inputs:[u,c],backend:n})}let s=r.map(l=>l.dtype).reduce((l,u)=>Ur(l,u)),a=r.map(l=>l.shape),i=re().getBool("WEBGL_PACK")?new cme(r[0].shape,a):new ume(r[0].shape,a);return n.runWebGLProgram(i,r,s)}var dme={kernelName:Xi,backendName:"webgl",kernelFunc:Hm};function hme(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,l=k.parseAxisParam(a,s.shape),u=l,c=_.getAxesPermutation(u,i),d=s;c!=null&&(d=Un({inputs:{x:s},backend:n,attrs:{perm:c}}),u=_.getInnerMostAxes(u.length,i)),_.assertAxesAreInnerMostDims("all",u,i);let[h,p]=_.computeOutAndReduceShapes(d.shape,u),f=k.sizeFromShape(p),m=ve({inputs:{x:d},backend:n,attrs:{shape:[-1,f]}}),g=Ai(m,m.dtype,"all",n),y;if(o){let A=_.expandShapeToKeepDim(h,l);y=ve({inputs:{x:g},backend:n,attrs:{shape:A}})}else y=ve({inputs:{x:g},backend:n,attrs:{shape:h}});return n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(g),c!=null&&n.disposeIntermediateTensorInfo(d),y}var pme={kernelName:vc,backendName:"webgl",kernelFunc:hme};function fme(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,l=k.parseAxisParam(a,s.shape),u=l,c=_.getAxesPermutation(u,i),d=s;c!=null&&(d=Un({inputs:{x:s},backend:n,attrs:{perm:c}}),u=_.getInnerMostAxes(u.length,i)),_.assertAxesAreInnerMostDims("any",u,i);let[h,p]=_.computeOutAndReduceShapes(d.shape,u),f=k.sizeFromShape(p),m=ve({inputs:{x:d},backend:n,attrs:{shape:[-1,f]}}),g=Ai(m,m.dtype,"any",n),y;if(o){let A=_.expandShapeToKeepDim(h,l);y=ve({inputs:{x:g},backend:n,attrs:{shape:A}})}else y=ve({inputs:{x:g},backend:n,attrs:{shape:h}});return n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(g),c!=null&&n.disposeIntermediateTensorInfo(d),y}var mme={kernelName:wc,backendName:"webgl",kernelFunc:fme},gme=class{constructor(e,t,n){this.variableNames=["A"];let{windowSize:r,batchSize:s,outSize:a}=e;n||this.variableNames.push("bestIndicesA"),this.outputShape=[s,a];let o=t==="max"?">":"<",i=n?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode=`
      void main() {
        ivec2 coords = getOutputCoords();
        int batch = coords[0];
        int outIdx = coords[1];
        int inOffset = outIdx * ${r};

        int bestIndex = inOffset;
        float bestValue = getA(batch, bestIndex);

        for (int i = 0; i < ${r}; i++) {
          int inIdx = ${i};
          float candidate = getA(batch, inIdx);
          if (candidate ${o} bestValue) {
            bestValue = candidate;
            bestIndex = inIdx;
          }
        }
        setOutput(float(bestIndex));
      }
    `}},yme=class{constructor(e,t,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,k.assert(e.length>2,()=>`Packed arg${n.charAt(0).toUpperCase()+n.slice(1)} supports only inputs with rank above 2.`);let s=e[e.length-1],a=Math.ceil(s/t);this.outputShape=e.slice(0,-1),a>1&&this.outputShape.push(a),r||this.variableNames.push("bestIndicesA");let o=this.outputShape,i=o.length,l=wt(i),u=Vn("coords",i),c,d;if(a===1){d=i+1;let w=wt(d);c=`
        ${w} sourceLocR = ${w}(${u.join()}, 0);
        ++${u[i-1]};
        ${w} sourceLocG = ${w}(${u.join()}, 0);
        ++${u[i-2]};
        ${w} sourceLocA = ${w}(${u.join()}, 0);
        --${u[i-1]};
        ${w} sourceLocB = ${w}(${u.join()}, 0);
        --${u[i-2]};`}else d=i,c=`
        ${l} sourceLocR = coords;
        ++${u[i-1]};
        ${l} sourceLocG = coords;
        ++${u[i-2]};
        ${l} sourceLocA = coords;
        --${u[i-1]};
        ${l} sourceLocB = coords;
        --${u[i-2]};`;let h=["x","y","z","w","u","v"].slice(0,d),p="."+h[d-1],f=h.map(w=>"int "+w),m=Vn("sourceLocR",d-1).concat("inIdx.r"),g=Vn("sourceLocG",d-1).concat("inIdx.g"),y=Vn("sourceLocB",d-1).concat("inIdx.b"),A=Vn("sourceLocA",d-1).concat("inIdx.a"),x=n==="max"?"greaterThan":"lessThan",b=r?"":`
          inIdx = round(vec4(getBestIndicesAChannel(${m.join()}),
                             getBestIndicesAChannel(${g.join()}),
                             getBestIndicesAChannel(${y.join()}),
                             getBestIndicesAChannel(${A.join()})));`,v=`vec4(
            getAChannel(${m.join()}),
            hasNextCol ? getAChannel(${g.join()}) : 0.,
            hasNextRow ? getAChannel(${y.join()}) : 0.,
            hasNextRow && hasNextCol ? getAChannel(${A.join()}) : 0.)`,I=r?"":`
      float getBestIndicesAChannel(${f.join()}) {
        return getChannel(getBestIndicesA(${h.join()}),
                                          vec2(${h.slice(-2).join()}));
      }`;this.userCode=`
      float getAChannel(${f.join()}) {
        return getChannel(getA(${h.join()}),
                               vec2(${h.slice(-2).join()}));
      }
      ${I}
      void main() {
        ${l} coords = getOutputCoords();
        bool hasNextCol = ${u[i-1]} < ${o[i-1]-1};
        bool hasNextRow = ${u[i-2]} < ${o[i-2]-1};
        ${c}
        ivec4 srcIdx = ivec4(sourceLocR${p}, sourceLocG${p},
          sourceLocB${p}, sourceLocA${p}) * ${t};
        ivec4 inIdx = srcIdx;
        vec4 bestIndex = vec4(inIdx);
        vec4 bestValue = ${v};

        for (int i = 0; i < ${t}; i++) {
          inIdx = srcIdx;
          ${b}
          vec4 candidate = ${v};
          bvec4 nan = isnan(candidate);
          bvec4 replace = bvec4(
            vec4(${x}(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));

          bestValue = vec4(replace.x  ? candidate.x : bestValue.x,
                           replace.y  ? candidate.y : bestValue.y,
                           replace.z  ? candidate.z : bestValue.z,
                           replace.w  ? candidate.w : bestValue.w);
          bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));
          srcIdx++;
        }
        setOutput(bestIndex);
      }
    `}};function IE(e,t,n,r=null){let s=t.shape[0],a=t.shape[1];r!=null&&(s=r.shape[0],a=r.shape[1]);let o=_.computeOptimalWindowSize(a),i={windowSize:o,inSize:a,batchSize:s,outSize:Math.ceil(a/o)},l=new gme(i,n,r==null),u=[t];r!=null&&u.push(r);let c=e.runWebGLProgram(l,u,"int32");if(c.shape[1]===1)return c;let d=IE(e,t,n,c);return e.disposeIntermediateTensorInfo(c),d}function SE(e,t,n,r=null){let s=r!=null?r.shape:t.shape,a=s[s.length-1],o=_.computeOptimalWindowSize(a),i=new yme(s,o,n,r==null),l=r==null?[t]:[t,r],u=e.runWebGLProgram(i,l,"int32");if(u.shape.length===t.shape.length){let c=SE(e,t,n,u);return e.disposeIntermediateTensorInfo(u),c}return u}function TE(e,t,n,r){let s=[n];if(_.assertAxesAreInnerMostDims("arg"+r.charAt(0).toUpperCase()+r.slice(1),s,t.shape.length),!re().getBool("WEBGL_PACK_REDUCE")||t.shape.length<=2){let a=[],[o,i]=_.computeOutAndReduceShapes(t.shape,s),l=k.sizeFromShape(i),u=ve({inputs:{x:t},backend:e,attrs:{shape:[-1,l]}});a.push(u);let c=IE(e,u,r);a.push(c);let d=ve({inputs:{x:c},backend:e,attrs:{shape:o}});return a.forEach(h=>e.disposeIntermediateTensorInfo(h)),d}return SE(e,t,r)}function Ame(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a}=r,o=k.parseAxisParam(a,s.shape),i=_.getAxesPermutation(o,s.shape.length),l=s,u=[];i!=null&&(l=Un({inputs:{x:s},backend:n,attrs:{perm:i}}),u.push(l),o=_.getInnerMostAxes(o.length,l.shape.length)),_.assertAxesAreInnerMostDims("argMax",[o[0]],l.shape.length);let c=TE(n,l,o[0],"max");return u.forEach(d=>n.disposeIntermediateTensorInfo(d)),c}var xme={kernelName:Zi,backendName:"webgl",kernelFunc:Ame};function bme(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a}=r,o=k.parseAxisParam(a,s.shape),i=_.getAxesPermutation(o,s.shape.length),l=s,u=[];i!=null&&(l=Un({inputs:{x:s},backend:n,attrs:{perm:i}}),u.push(l),o=_.getInnerMostAxes(o.length,l.shape.length)),_.assertAxesAreInnerMostDims("argMin",[o[0]],l.shape.length);let c=TE(n,l,o[0],"min");return u.forEach(d=>n.disposeIntermediateTensorInfo(d)),c}var vme={kernelName:qp,backendName:"webgl",kernelFunc:bme},wme=gs+`
  if (abs(x) > 1.) {
    return NAN;
  }
  return asin(x);
`,kme=it({opSnippet:wme}),Ime={kernelName:kc,backendName:"webgl",kernelFunc:kme},Sme=gs+"return log(x + sqrt(x * x + 1.0));",Tme=it({opSnippet:Sme}),Nme={kernelName:Ic,backendName:"webgl",kernelFunc:Tme},Cme=gs+`
  return atan(x);
`,Eme=it({opSnippet:Cme}),$me={kernelName:Sc,backendName:"webgl",kernelFunc:Eme},Rme=zfe+`
  return atan(a, b);
`,_me=`
  vec4 result = atan(a, b);
  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
  `+Lfe+`
  return result;
`,Dme=Tn({opSnippet:Rme,packedOpSnippet:_me}),Fme={kernelName:Nc,backendName:"webgl",kernelFunc:Dme},Mme=gs+`
  if ((x < -1.0) || (x > 1.0)) return NAN;
return (log(1.0 + x) - log(1.0 - x)) / 2.0;`,Ome=it({opSnippet:Mme}),Pme={kernelName:Tc,backendName:"webgl",kernelFunc:Ome},dh=class{constructor(e,t,n,r=!1,s=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let a=e.filterWidth,o=e.strideHeight,i=e.strideWidth,l=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterHeight,d=e.effectiveFilterWidth,h=e.padInfo.top,p=e.padInfo.left;this.outputShape=e.outShape;let f=t==="avg",m=`((batch  * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + d`,g=`(xR * ${e.inWidth} + xC) * ${e.inChannels} + d`,y="0.0";if(f||(y="-1.0 / 1e-20"),n){let w=">=";this.userCode=`
        const ivec2 strides = ivec2(${o}, ${i});
        const ivec2 pads = ivec2(${h}, ${p});

        void main() {
          ivec4 coords = getOutputCoords();
          int batch = coords[0];
          int d = coords[3];

          ivec2 xRCCorner = coords.yz * strides - pads;
          int xRCorner = xRCCorner.x;
          int xCCorner = xRCCorner.y;

          // max/min x(?, ?, d) to get y(yR, yC, d).
          // ? = to be determined
          float minMaxValue = 0.0;
          float minMaxValueFound = 0.0;
          int minMaxPosition = 0;
          float avgValue = 0.0;

          for (int wR = 0; wR < ${c};
              wR += ${l}) {
            int xR = xRCorner + wR;

            if (xR < 0 || xR >= ${e.inHeight}) {
              continue;
            }

            for (int wC = 0; wC < ${d};
                wC += ${u}) {
              int xC = xCCorner + wC;

              if (xC < 0 || xC >= ${e.inWidth}) {
                continue;
              }

              float value = getX(batch, xR, xC, d);

              // If a min / max value has already been found, use it. If not,
              // use the current value.
              float currMinMaxValue = mix(
                  value, minMaxValue, minMaxValueFound);
              if (value ${w} currMinMaxValue) {
                minMaxValue = value;
                minMaxValueFound = 1.0;
                minMaxPosition = ${r?s?m:g:`wR * ${d} + wC`};
              }
            }
          }
          setOutput(float(minMaxPosition));
        }
      `;return}let A="max",x=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="avg"&&(x="avgValue / count");let b=Math.floor(a/4)*4,v=a%4,I=`
      if (${f}) {
        avgValue += dot(values, ones);
      } else {
        minMaxValue = ${A}(values, minMaxValue);
      }
    `;this.userCode=`
      const ivec2 strides = ivec2(${o}, ${i});
      const ivec2 pads = ivec2(${h}, ${p});
      const float initializationValue = ${y};
      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);

      float count = 0.0;

      float getValue(int batch, int xR, int xC, int d) {
        if (xC < 0 || xC >= ${e.inWidth}) {
          return initializationValue;
        }
        count += 1.0;
        return getX(batch, xR, xC, d);
      }

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords[0];
        int d = coords[3];

        ivec2 xRCCorner = coords.yz * strides - pads;
        int xRCorner = xRCCorner.x;
        int xCCorner = xRCCorner.y;

        // max/min x(?, ?, d) to get y(yR, yC, d).
        // ? = to be determined
        vec4 minMaxValue = vec4(${y});
        float avgValue = 0.0;
        count = 0.0;

        for (int wR = 0; wR < ${c};
            wR += ${l}) {
          int xR = xRCorner + wR;

          if (xR < 0 || xR >= ${e.inHeight}) {
            continue;
          }

          for (int wC = 0; wC < ${b}; wC += 4) {
            int xC = xCCorner + wC * ${u};

            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              getValue(batch, xR, xC + ${u}, d),
              getValue(batch, xR, xC + 2 * ${u}, d),
              getValue(batch, xR, xC + 3 * ${u}, d)
            );

            ${I}
          }

          int xC = xCCorner + ${b};
          if (${v===1}) {
            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              initializationValue,
              initializationValue,
              initializationValue
            );

            ${I}
          } else if (${v===2}) {
            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              getValue(batch, xR, xC + ${u}, d),
              initializationValue,
              initializationValue
            );

            ${I}
          } else if (${v===3}) {
            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              getValue(batch, xR, xC + ${u}, d),
              getValue(batch, xR, xC + 2 * ${u}, d),
              initializationValue
            );

            ${I}
          }
        }
        setOutput(${x});
      }
    `}},J5=class{constructor(e,t,n,r=!1,s=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let a=e.filterWidth,o=e.strideDepth,i=e.strideHeight,l=e.strideWidth,u=e.dilationDepth,c=e.dilationHeight,d=e.dilationWidth,h=e.effectiveFilterDepth,p=e.effectiveFilterHeight,f=e.effectiveFilterWidth,m=e.padInfo.front,g=e.padInfo.top,y=e.padInfo.left;this.outputShape=e.outShape;let A=t==="avg",x="0.0";if(A||(x="-1.0 / 1e-20"),n){let E=">=";this.userCode=`
        const ivec3 strides =
            ivec3(${o}, ${i}, ${l});
        const ivec3 pads = ivec3(${m}, ${g}, ${y});

        void main() {
          ivec5 coords = getOutputCoords();
          int batch = coords.x;
          int ch = coords.u;

          ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
          int xDCorner = xCorner.x;
          int xRCorner = xCorner.y;
          int xCCorner = xCorner.z;

          // max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).
          // ? = to be determined
          float minMaxValue = 0.0;
          float minMaxValueFound = 0.0;
          int minMaxPosition = 0;

          for (int wD = 0; wD < ${h};
              wD += ${u}) {
            int xD = xDCorner + wD;

            if (xD < 0 || xD >= ${e.inDepth}) {
              continue;
            }

            for (int wR = 0; wR < ${p};
                wR += ${c}) {
              int xR = xRCorner + wR;

              if (xR < 0 || xR >= ${e.inHeight}) {
                continue;
              }

              for (int wC = 0; wC < ${f};
                  wC += ${d}) {
                int xC = xCCorner + wC;

                if (xC < 0 || xC >= ${e.inWidth}) {
                  continue;
                }

                float value = getX(batch, xD, xR, xC, ch);

                // If a min / max value has already been found, use it. If not,
                // use the current value.
                float currMinMaxValue = mix(
                    value, minMaxValue, minMaxValueFound);
                if (value ${E} currMinMaxValue) {
                  minMaxValue = value;
                  minMaxValueFound = 1.0;
                  minMaxPosition = ${r?s?`(((batch * ${e.inDepth} + xD) * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + ch`:`((xD * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + ch`:`wD * ${p} * ${f} +
                      wR * ${f} + wC`};
                }
              }
            }
          }
          setOutput(float(minMaxPosition));
        }
      `;return}let b="max",v=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="avg"&&(v="avgValue / count");let I=Math.floor(a/4)*4,w=a%4,S=`
      if (${A}) {
        avgValue += dot(values, ones);
      } else {
        minMaxValue = ${b}(values, minMaxValue);
      }
    `;this.userCode=`
      const ivec3 strides =
        ivec3(${o}, ${i}, ${l});
      const ivec3 pads = ivec3(${m}, ${g}, ${y});
      const float initializationValue = ${x};
      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);

      float count = 0.0;

      float getValue(int batch, int xD, int xR, int xC, int ch) {
        if (xC < 0 || xC >= ${e.inWidth}) {
          return initializationValue;
        }
        count += 1.0;
        return getX(batch, xD, xR, xC, ch);
      }

      void main() {
        ivec5 coords = getOutputCoords();
        int batch = coords.x;
        int ch = coords.u;

        ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
        int xDCorner = xCorner.x;
        int xRCorner = xCorner.y;
        int xCCorner = xCorner.z;

        // max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).
        // ? = to be determined
        vec4 minMaxValue = vec4(${x});
        float avgValue = 0.0;
        count = 0.0;

        for (int wD = 0; wD < ${h};
            wD += ${u}) {
          int xD = xDCorner + wD;

          if (xD < 0 || xD >= ${e.inDepth}) {
            continue;
          }

          for (int wR = 0; wR < ${p};
            wR += ${c}) {
            int xR = xRCorner + wR;

            if (xR < 0 || xR >= ${e.inHeight}) {
              continue;
            }

            for (int wC = 0; wC < ${I}; wC += 4) {
              int xC = xCCorner + wC * ${d};

              vec4 values = vec4(
                getValue(batch, xD, xR, xC, ch),
                getValue(batch, xD, xR, xC + ${d}, ch),
                getValue(batch, xD, xR, xC + 2 * ${d}, ch),
                getValue(batch, xD, xR, xC + 3 * ${d}, ch)
              );

              ${S}
            }

            int xC = xCCorner + ${I};
            if (${w===1}) {
              vec4 values = vec4(
                getValue(batch, xD, xR, xC, ch),
                initializationValue,
                initializationValue,
                initializationValue
              );

              ${S}
            } else if (${w===2}) {
              vec4 values = vec4(
                getValue(batch, xD, xR, xC, ch),
                getValue(batch, xD, xR, xC + ${d}, ch),
                initializationValue,
                initializationValue
              );

              ${S}
            } else if (${w===3}) {
              vec4 values = vec4(
                getValue(batch, xD, xR, xC, ch),
                getValue(batch, xD, xR, xC + ${d}, ch),
                getValue(batch, xD, xR, xC + 2 * ${d}, ch),
                initializationValue
              );

              ${S}
            }
          }
          setOutput(${v});
        }
      }
    `}};function zme(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;hu(s,"avgPool");let{filterSize:a,strides:o,pad:i,dimRoundingMode:l}=r,u=1;k.assert(_.eitherStridesOrDilationsAreOne(o,u),()=>`Error in avgPool: Either strides or dilations must be 1. Got strides ${o} and dilations '${u}'`);let c=_.computePool2DInfo(s.shape,a,o,u,i,l);if(c.filterWidth===1&&c.filterHeight===1&&k.arraysEqual(c.inShape,c.outShape))return fr({inputs:{x:s},backend:n});let d=new dh(c,"avg",!1);return n.runWebGLProgram(d,[s],"float32")}var Lme={kernelName:Yi,backendName:"webgl",kernelFunc:zme};function Bme(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{filterSize:a,strides:o,pad:i,dimRoundingMode:l,dataFormat:u}=r,c=[1,1,1],d=_.computePool3DInfo(s.shape,a,o,c,i,l,u),h=new J5(d,"avg",!1);return n.runWebGLProgram(h,[s],"float32")}var Wme={kernelName:Kp,backendName:"webgl",kernelFunc:Bme},Vme=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,s=e.strideWidth,a=e.dilationHeight,o=e.dilationWidth,i=e.effectiveFilterHeight,l=e.effectiveFilterWidth,u=i-1-e.padInfo.top,c=l-1-e.padInfo.left,d=1/(t*n);this.userCode=`
      const ivec2 pads = ivec2(${u}, ${c});
      const float avgMultiplier = float(${d});

      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];

        ivec2 dyRCCorner = coords.yz - pads;
        int dyRCorner = dyRCCorner.x;
        int dyCCorner = dyRCCorner.y;

        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;
        for (int wR = 0; wR < ${i};
            wR += ${a}) {
          float dyR = float(dyRCorner + wR) / ${r}.0;

          if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
            continue;
          }
          int idyR = int(dyR);

          for (int wC = 0; wC < ${l};
            wC+= ${o}) {
            float dyC = float(dyCCorner + wC) / ${s}.0;

            if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                fract(dyC) > 0.0) {
              continue;
            }
            int idyC = int(dyC);

            float dyValue = getDy(b, idyR, idyC, d);

            dotProd += dyValue * avgMultiplier;
          }
        }
        setOutput(dotProd);
      }
    `}},Ume=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,r=e.filterWidth,s=e.strideDepth,a=e.strideHeight,o=e.strideWidth,i=e.dilationDepth,l=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,d=e.effectiveFilterHeight,h=e.effectiveFilterWidth,p=c-1-e.padInfo.front,f=d-1-e.padInfo.top,m=h-1-e.padInfo.left,g=1/(t*n*r);this.userCode=`
      const ivec3 pads = ivec3(${p}, ${f}, ${m});
      const float avgMultiplier = float(${g});

      void main() {
        ivec5 coords = getOutputCoords();
        int batch = coords.x;
        int ch = coords.u;

        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
        int dyDCorner = dyCorner.x;
        int dyRCorner = dyCorner.y;
        int dyCCorner = dyCorner.z;

        // Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get
        // dx(xD, xR, xC, ch).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;

        for (int wD = 0; wD < ${c};
            wD += ${i}) {
          float dyD = float(dyDCorner + wD) / ${s}.0;

          if (dyD < 0.0 || dyD >= ${e.outDepth}.0 || fract(dyD) > 0.0) {
            continue;
          }
          int idyD = int(dyD);

          for (int wR = 0; wR < ${d};
              wR += ${l}) {
            float dyR = float(dyRCorner + wR) / ${a}.0;

            if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
                fract(dyR) > 0.0) {
              continue;
            }
            int idyR = int(dyR);

            for (int wC = 0; wC < ${h};
                wC += ${u}) {
              float dyC = float(dyCCorner + wC) / ${o}.0;

              if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                  fract(dyC) > 0.0) {
                continue;
              }
              int idyC = int(dyC);

              float dyValue = getDy(batch, idyD, idyR, idyC, ch);

              dotProd += dyValue * avgMultiplier;
            }
          }
        }
        setOutput(dotProd);
      }
    `}};function Hme(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a,{filterSize:i,strides:l,pad:u,dimRoundingMode:c}=r,d=[1,1,1],h=_.computePool3DInfo(o.shape,i,l,d,u,c),p=new Ume(h);return n.runWebGLProgram(p,[s],o.dtype)}var Gme={kernelName:x1,backendName:"webgl",kernelFunc:Hme};function jme(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a;hu([s,a],"avgPoolGrad");let{filterSize:i,strides:l,pad:u}=r,c=_.computePool2DInfo(o.shape,i,l,1,u),d=new Vme(c);return n.runWebGLProgram(d,[s],o.dtype)}var qme={kernelName:A1,backendName:"webgl",kernelFunc:jme};function Kme(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a}=t,{transposeA:o,transposeB:i}=r;return Um({a:s,b:a,transposeA:o,transposeB:i,backend:n})}var Xme={kernelName:Ji,backendName:"webgl",kernelFunc:Kme},Zme=class{constructor(e,t,n,r,s,a){this.outputShape=[],this.variableNames=["x","mean","variance"],_.assertAndGetBroadcastShape(e,t),_.assertAndGetBroadcastShape(e,n);let o="0.0";r!=null&&(_.assertAndGetBroadcastShape(e,r),this.variableNames.push("offset"),o="getOffsetAtOutCoords()");let i="1.0";s!=null&&(_.assertAndGetBroadcastShape(e,s),this.variableNames.push("scale"),i="getScaleAtOutCoords()"),this.outputShape=e,this.userCode=`
      void main() {
        float x = getXAtOutCoords();
        float mean = getMeanAtOutCoords();
        float variance = getVarianceAtOutCoords();
        float offset = ${o};
        float scale = ${i};
        float inv = scale * inversesqrt(variance + float(${a}));
        setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));
      }
    `}},Yme=class{constructor(e,t,n,r,s,a){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],_.assertAndGetBroadcastShape(e,t),_.assertAndGetBroadcastShape(e,n);let o="vec4(0.0)";r!=null&&(_.assertAndGetBroadcastShape(e,r),this.variableNames.push("offset"),o="getOffsetAtOutCoords()");let i="vec4(1.0)";s!=null&&(_.assertAndGetBroadcastShape(e,s),this.variableNames.push("scale"),i="getScaleAtOutCoords()"),this.outputShape=e,this.userCode=`
      void main() {
        vec4 offset = ${o};
        vec4 scale = ${i};

        vec4 x = getXAtOutCoords();
        vec4 mean = getMeanAtOutCoords();
        vec4 variance = getVarianceAtOutCoords();

        vec4 inv = scale * inversesqrt(variance + vec4(${a}));

        setOutput((x - mean) * inv + offset);
      }
    `}},Jme=({inputs:e,backend:t,attrs:n})=>{let{x:r,mean:s,variance:a,offset:o,scale:i}=e;k.assert(s.shape.length===a.shape.length,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),k.assert(o==null||s.shape.length===o.shape.length,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),k.assert(i==null||s.shape.length===i.shape.length,()=>"Batch normalization gradient requires mean and scale to have equal ranks.");let{varianceEpsilon:l}=n;l==null&&(l=.001);let u=[r,s,a],c=null;o!=null&&(c=o.shape,u.push(o));let d=null;i!=null&&(d=i.shape,u.push(i));let h=re().getBool("WEBGL_PACK_NORMALIZATION")?new Yme(r.shape,s.shape,a.shape,c,d,l):new Zme(r.shape,s.shape,a.shape,c,d,l);return t.runWebGLProgram(h,u,u[0].dtype)},Qme={kernelName:cl,backendName:"webgl",kernelFunc:Jme},e0e=class{constructor(e){this.variableNames=["source"],this.outputShape=e,this.rank=e.length;let t=wt(this.rank);this.customUniforms=[{name:"start",arrayIndex:this.rank,type:"int"}];let n=t0e(this.rank),r,s=e.map((a,o)=>`sourceLoc.${Q5[o]} = start[${o}] + coords.${Q5[o]};`);r=`
        ${t} sourceLoc;
        ${t} coords = getOutputCoords();
        ${s.join(`
`)}
      `,this.userCode=`
      void main() {
        ${r}
        setOutput(getSource(${n}));
      }
    `}},Q5=["x","y","z","w","u","v"];function t0e(e){if(e===1)return"sourceLoc";if(e<=6)return Q5.slice(0,e).map(t=>"sourceLoc."+t).join(",");throw Error(`Slicing for rank ${e} is not yet supported`)}var n0e=class{constructor(e){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.rank=e.length,this.customUniforms=[{name:"start",arrayIndex:this.rank,type:"int"}];let t=wt(this.rank),n=Vn("coords",this.rank),r=Vn("sourceLoc",this.rank),s=this.rank===1?"sourceLoc":`vec2(${r.slice(-2).join()})`,a=`getChannel(getSource(${r.join()}), ${s})`,o=`
      result.x = ${a};
      if (++${n[this.rank-1]} < ${e[this.rank-1]}) {
        ++${r[this.rank-1]};
        result.y = ${a};
        --${r[this.rank-1]};
      }
    `,i=this.rank===1?"":`
      --${n[this.rank-1]};
      if (++${n[this.rank-2]} < ${e[this.rank-2]}) {
        ++${r[this.rank-2]};
        result.z = ${a};
        if (++${n[this.rank-1]} < ${e[this.rank-1]}) {
          ++${r[this.rank-1]};
          result.w = ${a};
        }
      }
    `,l=this.rank<=4?`sourceLoc = coords +
            ${t}(${e.map((u,c)=>`start[${c}]`).join()});`:e.map((u,c)=>`${r[c]} = ${n[c]} + start[${c}];`).join(`
`);this.userCode=`
      void main() {
        ${t} coords = getOutputCoords();
        ${t} sourceLoc;
        ${l}
        vec4 result = vec4(0.);
        ${o}
        ${i}
        setOutput(result);
      }
    `}};function r0e(e,t,n,r){let s=r.texData.get(e.dataId),a=r.makeTensorInfo(n,e.dtype),o=r.texData.get(a.dataId);Object.assign(o,s),o.refCount=1,o.shape=n,o.dtype=e.dtype;let i=Cn.computeFlatOffset(t,k.computeStrides(e.shape));s.slice&&(i+=s.slice.flatOffset),o.slice={flatOffset:i,origDataId:s.slice&&s.slice.origDataId||e.dataId};let l=r.dataRefCount.get(o.slice.origDataId)||1;return r.dataRefCount.set(o.slice.origDataId,l+1),a}function vu(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{begin:a,size:o}=r,[i,l]=Cn.parseSliceParams(s,a,o);if(Cn.assertParamsValid(s,i,l),k.sizeFromShape(l)===0)return n.makeTensorInfo(l,s.dtype,[]);if(n.shouldExecuteOnCPU([s])||s.dtype==="string"){let d=n.texData.get(s.dataId),h=Upe(d.values,i,l,s.shape,s.dtype);return n.makeTensorInfo(l,s.dtype,h)}let{isPacked:u}=n.texData.get(s.dataId),c=Cn.isSliceContinous(s.shape,i,l);if(u||!c){let d=re().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new n0e(l):new e0e(l),h=[i];return n.runWebGLProgram(d,[s],s.dtype,h)}return n.uploadToGPU(s.dataId),r0e(s,i,l,n)}var s0e={kernelName:nd,backendName:"webgl",kernelFunc:vu},a0e=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockShape:a,crops:o}=r;k.assert(s.shape.length<=4,()=>"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet");let i=a.reduce((A,x)=>A*x),l=_.getReshaped(s.shape,a,i),u=_.getPermuted(l.length,a.length),c=_.getReshapedPermuted(s.shape,a,i),d=_.getSliceBeginCoords(o,a.length),h=_.getSliceSize(c,o,a.length),p=[],f=ve({inputs:{x:s},backend:n,attrs:{shape:l}}),m=Un({inputs:{x:f},backend:n,attrs:{perm:u}}),g=ve({inputs:{x:m},backend:n,attrs:{shape:c}}),y=vu({inputs:{x:g},backend:n,attrs:{begin:d,size:h}});return p.push(f),p.push(m),p.push(g),p.forEach(A=>n.disposeIntermediateTensorInfo(A)),y},o0e={kernelName:Cc,backendName:"webgl",kernelFunc:a0e};function i0e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,weights:a}=t,{size:o}=r,i=n.readSync(s.dataId),l=n.readSync(a.dataId),u=QC(i,l,a.dtype,a.shape,o);return n.makeTensorInfo([o],a.dtype,u)}var l0e={kernelName:b1,backendName:"webgl",kernelFunc:i0e},u0e="return float(a != b);",NE=Tn({opSnippet:u0e,cpuKernelImpl:Lpe,dtype:"bool"}),c0e={kernelName:vl,backendName:"webgl",kernelFunc:NE};function hh(e){let{inputs:t,backend:n}=e,{input:r}=t,s=n.texData.get(r.dataId);return fr({inputs:{x:s.complexTensorInfos.real},backend:n})}var d0e={kernelName:V1,backendName:"webgl",kernelFunc:hh},h0e="return float(int(x));";function p0e(e,t){let n=new Qa(e.shape,h0e),r=t.runWebGLProgram(n,[e],"int32");return{dataId:r.dataId,shape:r.shape,dtype:r.dtype}}function eb(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{dtype:a}=r;if(a==="complex64"){if(s.dtype==="complex64")return fr({inputs:{x:s},backend:n});let o=ln(s.shape),i=eb({inputs:{x:s},backend:n,attrs:{dtype:"float32"}}),l=eo({inputs:{real:i,imag:o},backend:n});return o.dispose(),n.disposeIntermediateTensorInfo(i),l}if(s.dtype==="complex64"){let o=hh({inputs:{input:s},backend:n}),i=eb({inputs:{x:o},backend:n,attrs:{dtype:a}});return n.disposeIntermediateTensorInfo(o),i}if(!k.hasEncodingLoss(s.dtype,a)){let o=fr({inputs:{x:s},backend:n});return{dataId:o.dataId,shape:o.shape,dtype:a}}if(a==="int32")return p0e(s,n);if(a==="bool"){let o=n.makeTensorInfo([],"bool",k.getTypedArrayFromDType("bool",1)),l=NE({inputs:{a:s,b:o},backend:n});return n.disposeIntermediateTensorInfo(o),l}throw new Error(`Error in Cast: failed to cast ${s.dtype} to ${a}`)}var f0e={kernelName:Qi,backendName:"webgl",kernelFunc:eb},CE="return ceil(x);",m0e=it({opSnippet:CE,packedOpSnippet:CE,cpuKernelImpl:bpe}),g0e={kernelName:No,backendName:"webgl",kernelFunc:m0e},y0e=class{constructor(e){this.variableNames=["A"],this.customUniforms=[{name:"minVal",type:"float"},{name:"maxVal",type:"float"}],this.outputShape=e,this.userCode=`

      void main() {
        float value = getAAtOutCoords();
        if (isnan(value)) {
          setOutput(value);
          return;
        }

        setOutput(clamp(value, minVal, maxVal));
      }
    `}},A0e=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"minVal",type:"float"},{name:"maxVal",type:"float"}],this.outputShape=e,this.userCode=`
      void main() {
        vec4 value = getAAtOutCoords();

        if (any(isnan(value))) {
          setOutput(value);
          return;
        }

        setOutput(clamp(value, vec4(minVal), vec4(maxVal)));
      }
    `}};function x0e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{clipValueMin:a,clipValueMax:o}=r,i;re().getBool("WEBGL_PACK_CLIP")?i=new A0e(s.shape):i=new y0e(s.shape);let l=[[a],[o]];return n.runWebGLProgram(i,[s],s.dtype,l)}var b0e={kernelName:Co,backendName:"webgl",kernelFunc:x0e},v0e=class{constructor(e){this.variableNames=["real","imag"],this.outputShape=e,this.userCode=`
      void main() {
        float re = abs(getRealAtOutCoords());
        float im = abs(getImagAtOutCoords());
        float mx = max(re, im);

        // sadly the length function in glsl is not underflow-safe
        // (at least not on Intel GPUs). So the safe solution is
        // to ensure underflow-safety in all cases.
        setOutput(
          mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))
        );
      }
    `}};function EE(e,t){return{dataId:t.dataId,dtype:t.dtype,shape:e.shape}}function w0e(e){let{inputs:t,backend:n}=e,{x:r}=t,s=n.texData.get(r.dataId),a=new v0e(r.shape),o=[EE(r,s.complexTensorInfos.real),EE(r,s.complexTensorInfos.imag)];return n.runWebGLProgram(a,o,o[0].dtype)}var k0e={kernelName:Xp,backendName:"webgl",kernelFunc:w0e},I0e=class{constructor(e){this.outputShape=[],this.outputShape=_.computeOutShape(e,1),this.variableNames=e.map((a,o)=>`T${o}`);let t=new Array(e.length-1);t[0]=e[0][1];for(let a=1;a<t.length;a++)t[a]=t[a-1]+e[a][1];let n=[`if (yC < ${t[0]}) setOutput(getT0(yR, yC));`];for(let a=1;a<t.length;a++){let o=t[a-1];n.push(`else if (yC < ${t[a]}) setOutput(getT${a}(yR, yC-${o}));`)}let r=t.length,s=t[t.length-1];n.push(`else setOutput(getT${r}(yR, yC-${s}));`),this.userCode=`
      void main() {
        ivec2 coords = getOutputCoords();
        int yR = coords.x;
        int yC = coords.y;

        ${n.join(`
        `)}
      }
    `}},S0e=class{constructor(e,t){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=_.computeOutShape(e,t);let n=this.outputShape,r=n.length,s=wt(r),a=Vn("coords",r),o=["x","y","z","w","u","v"].slice(0,r);this.variableNames=e.map((f,m)=>`T${m}`);let i=new Array(e.length-1);i[0]=e[0][t];for(let f=1;f<i.length;f++)i[f]=i[f-1]+e[f][t];let l=o[t],u=o.slice(-2),c=o.join(),d=`if (${l} < ${i[0]}) {
        return getChannel(
            getT0(${c}), vec2(${u.join()}));
        }`;for(let f=1;f<i.length;f++){let m=i[f-1];d+=`
        if (${l} < ${i[f]}  && ${l} >= ${i[f-1]}) {
          return getChannel(
            getT${f}(${Gm(o,l,m)}),
            vec2(${Gm(u,l,m)}));
        }`}let h=i.length,p=i[i.length-1];d+=`
        return getChannel(
          getT${h}(${Gm(o,l,p)}),
          vec2(${Gm(u,l,p)}));`,this.userCode=`
      float getValue(${o.map(f=>"int "+f)}) {
        ${d}
      }

      void main() {
        ${s} coords = getOutputCoords();
        vec4 result = vec4(getValue(${a}), 0., 0., 0.);

        ${a[r-1]} = ${a[r-1]} + 1;
        if (${a[r-1]} < ${n[r-1]}) {
          result.g = getValue(${a});
        }

        ${a[r-2]} = ${a[r-2]} + 1;
        if (${a[r-2]} < ${n[r-2]}) {
          result.a = getValue(${a});
        }

        ${a[r-1]} = ${a[r-1]} - 1;
        if (${a[r-2]} < ${n[r-2]} &&
            ${a[r-1]} < ${n[r-1]}) {
          result.b = getValue(${a});
        }
        setOutput(result);
      }
    `}};function Gm(e,t,n){let r=e.indexOf(t);return e.map((a,o)=>o===r?`${a} - ${n}`:a).join()}function jm(e){let{inputs:t,backend:n}=e,{input:r}=t,s=n.texData.get(r.dataId);return fr({inputs:{x:s.complexTensorInfos.imag},backend:n})}var T0e={kernelName:M1,backendName:"webgl",kernelFunc:jm};function wu(e,t,n){let r=e[0].dtype;if(r==="complex64"){let c=e.map(m=>hh({inputs:{input:m},backend:n})),d=e.map(m=>jm({inputs:{input:m},backend:n})),h=wu(c,t,n),p=wu(d,t,n),f=eo({inputs:{real:h,imag:p},backend:n});return c.forEach(m=>n.disposeIntermediateTensorInfo(m)),d.forEach(m=>n.disposeIntermediateTensorInfo(m)),n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p),f}let s=n.shouldExecuteOnCPU(e);if(r==="string"&&(s=!0),s){let c=e.map(y=>{let A=k.sizeFromShape(y.shape.slice(t));return ve({inputs:{x:y},backend:n,attrs:{shape:[-1,A]}})}),d=c.map(y=>({vals:n.readSync(y.dataId),shape:y.shape})),h=_.computeOutShape(c.map(y=>y.shape),1),p=c[0].shape[0]===1,f=vpe(d,h,r,p),m=_.computeOutShape(e.map(y=>y.shape),t),g=n.makeTensorInfo(m,r,f);return c.forEach(y=>n.disposeIntermediateTensorInfo(y)),g}if(e.length>re().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){let c=Math.floor(e.length/2),d=wu(e.slice(0,c),t,n),h=wu(e.slice(c),t,n),p=wu([d,h],t,n);return n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h),p}if(re().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&e[0].shape.length>1){let c=new S0e(e.map(d=>d.shape),t);return n.runWebGLProgram(c,e,r)}let{tensors2D:a,outShape:o}=N0e(e,t,n),i=new I0e(a.map(c=>c.shape)),l=n.runWebGLProgram(i,a,r);a.forEach(c=>n.disposeIntermediateTensorInfo(c));let u=ve({inputs:{x:l},attrs:{shape:o},backend:n});return n.disposeIntermediateTensorInfo(l),u}function N0e(e,t,n){let r=_.computeOutShape(e.map(a=>a.shape),t);return{tensors2D:e.map(a=>ve({inputs:{x:a},attrs:{shape:[-1,k.sizeFromShape(a.shape.slice(t))]},backend:n})),outShape:r}}function $E(e){let{inputs:t,backend:n,attrs:r}=e,{axis:s}=r,a=k.parseAxisParam(s,t[0].shape)[0],o=_.computeOutShape(t.map(u=>u.shape),a);if(k.sizeFromShape(o)===0)return n.makeTensorInfo(o,t[0].dtype,[]);let i=t.filter(u=>k.sizeFromShape(u.shape)>0);if(i.length===1)return fr({inputs:{x:i[0]},backend:n});let l=i.map(u=>u.shape);return _.assertParamsConsistent(l,a),wu(i,a,n)}var C0e={kernelName:Ec,backendName:"webgl",kernelFunc:$E},RE=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let a=e.padInfo.top,o=e.padInfo.left,i=e.strideHeight,l=e.strideWidth,u=e.dilationHeight,c=e.dilationWidth,d=e.filterHeight,h=e.filterWidth,p=Math.floor(e.inChannels/4)*4,f=e.inChannels%4,m=e.dataFormat==="channelsLast",g=m?1:2,y=m?2:3,A=m?3:1,x="",b="";n&&(r?x=`float activation(float a) {
          float b = getPreluActivationWeightsAtOutCoords();
          ${n}
        }`:s?x=`float activation(float a) {
          float b = getLeakyreluAlphaAtOutCoords();
          ${n}
        }`:x=`
          float activation(float x) {
            ${n}
          }
        `,b="result = activation(result);");let v=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
      ${x}

      const ivec2 strides = ivec2(${i}, ${l});
      const ivec2 pads = ivec2(${a}, ${o});

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords[0];
        int d2 = coords[${A}];

        ivec2 xRCCorner =
            ivec2(coords[${g}], coords[${y}]) * strides - pads;
        int xRCorner = xRCCorner.x;
        int xCCorner = xRCCorner.y;

        // Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;
        for (int wR = 0; wR < ${d}; wR++) {
          int xR = xRCorner + wR * ${u};

          if (xR < 0 || xR >= ${e.inHeight}) {
            continue;
          }

          for (int wC = 0; wC < ${h}; wC++) {
            int xC = xCCorner + wC * ${c};

            if (xC < 0 || xC >= ${e.inWidth}) {
              continue;
            }

            for (int d1 = 0; d1 < ${p}; d1 += 4) {
              vec4 wValues = vec4(
                getW(wR, wC, d1, d2),
                getW(wR, wC, d1 + 1, d2),
                getW(wR, wC, d1 + 2, d2),
                getW(wR, wC, d1 + 3, d2)
              );

              if (${m}) {
                vec4 xValues = vec4(
                  getX(batch, xR, xC, d1),
                  getX(batch, xR, xC, d1 + 1),
                  getX(batch, xR, xC, d1 + 2),
                  getX(batch, xR, xC, d1 + 3)
                );
                dotProd += dot(xValues, wValues);
              } else {
                vec4 xValues = vec4(
                  getX(batch, d1, xR, xC),
                  getX(batch, d1 + 1, xR, xC),
                  getX(batch, d1 + 2, xR, xC),
                  getX(batch, d1 + 3, xR, xC)
                );
                dotProd += dot(xValues, wValues);
              }
            }

            if (${f===1}) {

              if (${m}) {
                dotProd +=
                    getX(batch, xR, xC, ${p}) *
                    getW(wR, wC, ${p}, d2);
              } else {
                dotProd +=
                    getX(batch, ${p}, xR, xC) *
                    getW(wR, wC, ${p}, d2);
              }

            } else if (${f===2}) {
              vec2 wValues = vec2(
                getW(wR, wC, ${p}, d2),
                getW(wR, wC, ${p} + 1, d2)
              );

              if (${m}) {
                vec2 xValues = vec2(
                  getX(batch, xR, xC, ${p}),
                  getX(batch, xR, xC, ${p} + 1)
                );
                dotProd += dot(xValues, wValues);
              } else {
                vec2 xValues = vec2(
                  getX(batch, ${p}, xR, xC),
                  getX(batch, ${p} + 1, xR, xC)
                );
                dotProd += dot(xValues, wValues);
              }

            } else if (${f===3}) {
              vec3 wValues = vec3(
                getW(wR, wC, ${p}, d2),
                getW(wR, wC, ${p} + 1, d2),
                getW(wR, wC, ${p} + 2, d2)
              );

              if (${m}) {
                vec3 xValues = vec3(
                  getX(batch, xR, xC, ${p}),
                  getX(batch, xR, xC, ${p} + 1),
                  getX(batch, xR, xC, ${p} + 2)
                );
                dotProd += dot(xValues, wValues);
              } else {
                vec3 xValues = vec3(
                  getX(batch, ${p}, xR, xC),
                  getX(batch, ${p} + 1, xR, xC),
                  getX(batch, ${p} + 2, xR, xC)
                );
                dotProd += dot(xValues, wValues);
              }

            }
          }
        }

        float result = dotProd;
        ${v}
        ${b}
        setOutput(result);
      }
    `}},E0e=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let t=e.padInfo.front,n=e.padInfo.top,r=e.padInfo.left,s=e.strideDepth,a=e.strideHeight,o=e.strideWidth,i=e.dilationDepth,l=e.dilationHeight,u=e.dilationWidth,c=e.filterDepth,d=e.filterHeight,h=e.filterWidth,p=Math.floor(e.inChannels/4)*4,f=e.inChannels%4;this.userCode=`
      const ivec3 strides = ivec3(${s}, ${a}, ${o});
      const ivec3 pads = ivec3(${t}, ${n}, ${r});

      void main() {
        ivec5 coords = getOutputCoords();
        int batch = coords.x;
        int d2 = coords.u;

        ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
        int xFCorner = xFRCCorner.x;
        int xRCorner = xFRCCorner.y;
        int xCCorner = xFRCCorner.z;

        // Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get
        // y(yF, yR, yC, d2). ? = to be determined. : = across all
        // values in that axis.
        float dotProd = 0.0;
        for (int wF = 0; wF < ${c}; wF++) {
          int xF = xFCorner + wF * ${i};

          if (xF < 0 || xF >= ${e.inDepth}) {
            continue;
          }

          for (int wR = 0; wR < ${d}; wR++) {
            int xR = xRCorner + wR * ${l};

            if (xR < 0 || xR >= ${e.inHeight}) {
              continue;
            }

            for (int wC = 0; wC < ${h}; wC++) {
              int xC = xCCorner + wC * ${u};

              if (xC < 0 || xC >= ${e.inWidth}) {
                continue;
              }

              for (int d1 = 0; d1 < ${p}; d1 += 4) {
                vec4 xValues = vec4(
                  getX(batch, xF, xR, xC, d1),
                  getX(batch, xF, xR, xC, d1 + 1),
                  getX(batch, xF, xR, xC, d1 + 2),
                  getX(batch, xF, xR, xC, d1 + 3)
                );
                vec4 wValues = vec4(
                  getW(wF, wR, wC, d1, d2),
                  getW(wF, wR, wC, d1 + 1, d2),
                  getW(wF, wR, wC, d1 + 2, d2),
                  getW(wF, wR, wC, d1 + 3, d2)
                );

                dotProd += dot(xValues, wValues);
              }

              if (${f===1}) {
                dotProd +=
                  getX(batch, xF, xR, xC, ${p}) *
                  getW(wF, wR, wC, ${p}, d2);
              } else if (${f===2}) {
                vec2 xValues = vec2(
                  getX(batch, xF, xR, xC, ${p}),
                  getX(batch, xF, xR, xC, ${p} + 1)
                );
                vec2 wValues = vec2(
                  getW(wF, wR, wC, ${p}, d2),
                  getW(wF, wR, wC, ${p} + 1, d2)
                );
                dotProd += dot(xValues, wValues);
              } else if (${f===3}) {
                vec3 xValues = vec3(
                  getX(batch, xF, xR, xC, ${p}),
                  getX(batch, xF, xR, xC, ${p} + 1),
                  getX(batch, xF, xR, xC, ${p} + 2)
                );
                vec3 wValues = vec3(
                  getW(wF, wR, wC, ${p}, d2),
                  getW(wF, wR, wC, ${p} + 1, d2),
                  getW(wF, wR, wC, ${p} + 2, d2)
                );
                dotProd += dot(xValues, wValues);
              }
            }
          }
        }
        setOutput(dotProd);
      }
    `}},$0e=class{constructor(e,t,n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;let{filterWidth:r,inChannels:s,strideWidth:a,strideHeight:o,padInfo:i,outWidth:l,dilationWidth:u,dilationHeight:c,dataFormat:d}=n,{left:h,top:p}=i,f=s*r,m=Wn(),g=d==="channelsLast",y=g?0:1,A=g?1:2,x="";for(let b=0;b<=1;b++)for(let v=0;v<=1;v++)x+=`
          blockIndex = rc.y + ${v};
          pos = rc.x + ${b};

          if(blockIndex < ${e[1]} && pos < ${e[0]}) {
            offsetY = int(blockIndex / (${l})) * ${o} - ${p};
            d0 = offsetY + ${c} * (pos / ${f});

            if(d0 < ${t[y]} && d0 >= 0) {

              offsetX = int(mod(float(blockIndex), ${l}.) * ${a}. - ${h}.);
              d1 = offsetX + ${u} * (int(mod(float(pos), ${f}.) / ${s}.));

              if(d1 < ${t[A]} && d1 >= 0) {

                ch = int(mod(float(pos), ${s}.));

                if (${g}) {
                  innerDims = vec2(d1, ch);
                  result[${b*2+v}] = getChannel(
                    getA(d0, int(innerDims.x),
                    int(innerDims.y)), innerDims);
                } else {
                  innerDims = vec2(d0, d1);
                  result[${b*2+v}] = getChannel(
                    getA(ch, int(innerDims.x),
                    int(innerDims.y)), innerDims);
                }
              }
            }
          }
        `;this.userCode=`
      void main() {
        ivec2 rc = getOutputCoords();

        vec4 result = vec4(0);

        int blockIndex, pos, offsetY, d0, offsetX, d1, ch;
        vec2 innerDims;

        ${x}

        ${m.output} = result;
      }
    `}};function _E({x:e,filter:t,convInfo:n,backend:r,bias:s=null,preluActivationWeights:a=null,leakyreluAlpha:o=0,activation:i=null}){let l=e.shape,u=r.texData.get(e.dataId),c=n.inChannels,d=l[0]*l[1]*l[2],h=n.outChannels,p=n.dataFormat==="channelsLast",f=!1,m=!1,g,y=[],A=(d===1||h===1)&&c>vE,x=l[2]%2!=0&&!!u.isPacked;if(A||!re().getBool("WEBGL_LAZILY_UNPACK")||!re().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!x){let b=p?l[0]*l[1]*l[2]:l[0]*l[2]*l[3],v=ve({inputs:{x:e},backend:r,attrs:{shape:[1,b,n.inChannels]}}),I=ve({inputs:{x:t},backend:r,attrs:{shape:[1,n.inChannels,n.outChannels]}}),w=Um({a:v,b:I,transposeA:f,transposeB:m,backend:r,bias:s,activation:i,preluActivationWeights:a,leakyreluAlpha:o});g=ve({inputs:{x:w},backend:r,attrs:{shape:n.outShape}}),y.push(v),y.push(I),y.push(w)}else{let b=p?l[0]*l[1]*(l[2]+1):l[0]*l[2]*(l[3]+1),v={dataId:e.dataId,shape:[1,b,n.inChannels],dtype:e.dtype},I=u.shape;u.shape=u.shape.slice(),u.shape[u.shape.length-2]++,k.assert(oh(u.shape,v.shape),()=>`packed reshape ${u.shape} to ${v.shape} isn't free`);let w=ve({inputs:{x:t},backend:r,attrs:{shape:[1,n.inChannels,n.outChannels]}});y.push(w);let S=Um({a:v,b:w,backend:r,transposeA:f,transposeB:m,bias:s,activation:i,preluActivationWeights:a,leakyreluAlpha:o}),E=r.texData.get(S.dataId);k.assert(E.isPacked,()=>"batchMatMul result is expected to be packed"),u.shape=I,E.shape=n.outShape,g=fr({inputs:{x:S},backend:r}),g.shape=n.outShape,y.push(S)}for(let b of y)r.disposeIntermediateTensorInfo(b);return g}function DE({x:e,filter:t,convInfo:n,backend:r,bias:s=null,preluActivationWeights:a=null,leakyreluAlpha:o=0,activation:i=null}){let{filterWidth:l,filterHeight:u,inChannels:c,outWidth:d,outHeight:h,dataFormat:p}=n,f=p==="channelsLast",m=l*u*c,g=h*d,y=[m,g],A=!0,x=!1,b=[],v=ve({inputs:{x:e},backend:r,attrs:{shape:e.shape.slice(1)}}),I=ve({inputs:{x:t},backend:r,attrs:{shape:[1,m,k.sizeFromShape(t.shape)/m]}});b.push(v),b.push(I);let w=new $0e(y,v.shape,n),S=r.runWebGLProgram(w,[v],"float32"),E=ve({inputs:{x:S},backend:r,attrs:{shape:[1,y[0],y[1]]}});b.push(S),b.push(E);let D=s!=null,$=a!=null,R=i==="leakyrelu",N=i?Bm(i,!0):null,M=new gE(E.shape,I.shape,[1,g,n.outChannels],A,x,D,N,$,R),B=[E,I];if(s&&B.push(s),$&&B.push(a),R){let ee=r.makeTensorInfo([],"float32",k.createScalarValue(o,"float32"));B.push(ee),b.push(ee)}let q=r.runWebGLProgram(M,B,"float32"),X=f?[1,h,d,n.outChannels]:[1,n.outChannels,h,d],J=ve({inputs:{x:q},backend:r,attrs:{shape:X}});b.push(q);for(let ee of b)r.disposeIntermediateTensorInfo(ee);return J}function R0e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dataFormat:l,dilations:u,dimRoundingMode:c}=r,d=_.convertConv2DDataFormat(l),h=_.computeConv2DInfo(s.shape,a.shape,o,u,i,c,!1,d),p;if(h.filterHeight===1&&h.filterWidth===1&&h.dilationHeight===1&&h.dilationWidth===1&&h.strideHeight===1&&h.strideWidth===1&&(h.padInfo.type==="SAME"||h.padInfo.type==="VALID"))p=_E({x:s,filter:a,convInfo:h,backend:n});else if(re().getBool("WEBGL_CONV_IM2COL")&&s.shape[0]===1)p=DE({x:s,filter:a,convInfo:h,backend:n});else{let m=new RE(h);p=n.runWebGLProgram(m,[s,a],"float32")}let f=ve({inputs:{x:p},backend:n,attrs:{shape:h.outShape}});return n.disposeIntermediateTensorInfo(p),f}var _0e={kernelName:el,backendName:"webgl",kernelFunc:R0e},D0e=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,r=e.padInfo.top,s=e.padInfo.left,a=e.dataFormat==="channelsLast";this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int wR = coords.x;
        int wC = coords.y;
        int d1 = coords.z;
        int d2 = coords.w;

        // Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;

        for (int b = 0; b < ${e.batchSize}; b++) {
          for (int yR = 0; yR < ${e.outHeight}; yR++) {
            int xR = wR + yR * ${t} - ${r};

            if (xR < 0 || xR >= ${e.inHeight}) {
              continue;
            }

            for (int yC = 0; yC < ${e.outWidth}; yC++) {
              int xC = wC + yC * ${n} - ${s};

              if (xC < 0 || xC >= ${e.inWidth}) {
                continue;
              }

              if (${a}) {
                float dyValue = getDy(b, yR, yC, d2);
                float xValue = getX(b, xR, xC, d1);
                dotProd += (xValue * dyValue);
              } else {
                float dyValue = getDy(b, d2, yR, yC);
                float xValue = getX(b, d1, xR, xC);
                dotProd += (xValue * dyValue);
              }

            }
          }
        }
        setOutput(dotProd);
      }
    `}},F0e=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,s=e.strideWidth,a=e.dataFormat==="channelsLast",o=t-1-e.padInfo.top,i=n-1-e.padInfo.left,l=a?1:2,u=a?2:3,c=a?3:1;this.userCode=`
      const ivec2 pads = ivec2(${o}, ${i});

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords[0];
        int d1 = coords[${c}];

        ivec2 dyCorner = ivec2(coords[${l}], coords[${u}]) - pads;
        int dyRCorner = dyCorner.x;
        int dyCCorner = dyCorner.y;

        // Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;
        for (int wR = 0; wR < ${t}; wR++) {
          float dyR = float(dyRCorner + wR) / ${r}.0;

          if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
            continue;
          }
          int idyR = int(dyR);

          int wRPerm = ${t} - 1 - wR;

          for (int wC = 0; wC < ${n}; wC++) {
            float dyC = float(dyCCorner + wC) / ${s}.0;

            if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                fract(dyC) > 0.0) {
              continue;
            }
            int idyC = int(dyC);

            int wCPerm = ${n} - 1 - wC;

            for (int d2 = 0; d2 < ${e.outChannels}; d2++) {

              if (${a}) {
                float xValue = getDy(batch, idyR, idyC, d2);
                float wValue = getW(wRPerm, wCPerm, d1, d2);
                dotProd += xValue * wValue;
              } else {
                float xValue = getDy(batch, d2, idyR, idyC);
                float wValue = getW(wRPerm, wCPerm, d1, d2);
                dotProd += xValue * wValue;
              }

            }
          }
        }
        setOutput(dotProd);
      }
    `}},M0e=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideDepth,n=e.strideHeight,r=e.strideWidth,s=e.padInfo.front,a=e.padInfo.top,o=e.padInfo.left;this.userCode=`
      void main() {
        ivec5 coords = getOutputCoords();
        int wF = coords.x;
        int wR = coords.y;
        int wC = coords.z;
        int d1 = coords.w;
        int d2 = coords.u;

        float dotProd = 0.0;

        for (int b = 0; b < ${e.batchSize}; b++) {
          for (int yF = 0; yF < ${e.outDepth}; yF++) {
            int xF = wF + yF * ${t} - ${s};

            if (xF < 0 || xF >= ${e.inDepth}) {
              continue;
            }

            for (int yR = 0; yR < ${e.outHeight}; yR++) {
              int xR = wR + yR * ${n} - ${a};

              if (xR < 0 || xR >= ${e.inHeight}) {
                continue;
              }

              for (int yC = 0; yC < ${e.outWidth}; yC++) {
                int xC = wC + yC * ${r} - ${o};

                if (xC < 0 || xC >= ${e.inWidth}) {
                  continue;
                }

                float dyValue = getDy(b, yF, yR, yC, d2);
                float xValue = getX(b, xF, xR, xC, d1);
                dotProd += (xValue * dyValue);
              }
            }
          }
        }
        setOutput(dotProd);
      }
    `}},O0e=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,r=e.filterWidth,s=e.strideDepth,a=e.strideHeight,o=e.strideWidth,i=t-1-e.padInfo.front,l=n-1-e.padInfo.top,u=r-1-e.padInfo.left;this.userCode=`
      const ivec3 pads = ivec3(${i}, ${l}, ${u});

      void main() {
        ivec5 coords = getOutputCoords();
        int batch = coords.x;
        int d1 = coords.u;


        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
        int dyFCorner = dyCorner.x;
        int dyRCorner = dyCorner.y;
        int dyCCorner = dyCorner.z;

        float dotProd = 0.0;
        for (int wF = 0; wF < ${t}; wF++) {
          float dyF = float(dyFCorner + wF) / ${s}.0;

          if (dyF < 0.0 || dyF >= ${e.outDepth}.0 || fract(dyF) > 0.0) {
            continue;
          }
          int idyF = int(dyF);

          int wFPerm = ${t} - 1 - wF;

          for (int wR = 0; wR < ${n}; wR++) {
            float dyR = float(dyRCorner + wR) / ${a}.0;

            if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
              fract(dyR) > 0.0) {
              continue;
            }
            int idyR = int(dyR);

            int wRPerm = ${n} - 1 - wR;

            for (int wC = 0; wC < ${r}; wC++) {
              float dyC = float(dyCCorner + wC) / ${o}.0;

              if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                  fract(dyC) > 0.0) {
                continue;
              }
              int idyC = int(dyC);

              int wCPerm = ${r} - 1 - wC;

              for (int d2 = 0; d2 < ${e.outChannels}; d2++) {
                float xValue = getDy(batch, idyF, idyR, idyC, d2);
                float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);
                dotProd += xValue * wValue;
              }
            }
          }
        }
        setOutput(dotProd);
      }
    `}};function P0e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,pad:i,dataFormat:l,dimRoundingMode:u,filterShape:c}=r,d=_.convertConv2DDataFormat(l),h=_.computeConv2DInfo(s.shape,c,o,1,i,u,!1,d),p=new D0e(h);return n.runWebGLProgram(p,[s,a],"float32")}var z0e={kernelName:w1,backendName:"webgl",kernelFunc:P0e};function L0e(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{inputShape:o,strides:i,pad:l,dataFormat:u,dimRoundingMode:c}=r,d=_.convertConv2DDataFormat(u),h=_.computeConv2DInfo(o,a.shape,i,1,l,c,!1,d),p=new F0e(h);return n.runWebGLProgram(p,[s,a],"float32")}var B0e={kernelName:tl,backendName:"webgl",kernelFunc:L0e};function W0e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:l}=r,u=_.computeConv3DInfo(s.shape,a.shape,o,l,i),c=new E0e(u);return n.runWebGLProgram(c,[s,a],"float32")}var V0e={kernelName:Zp,backendName:"webgl",kernelFunc:W0e};function U0e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,pad:i,filterShape:l}=r,u=_.computeConv3DInfo(s.shape,l,o,1,i),c=new M0e(u);return n.runWebGLProgram(c,[s,a],"float32")}var H0e={kernelName:k1,backendName:"webgl",kernelFunc:U0e};function G0e(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{pad:o,strides:i,inputShape:l}=r,u=_.computeConv3DInfo(l,a.shape,i,1,o),c=new O0e(u);return n.runWebGLProgram(c,[s,a],"float32")}var j0e={kernelName:I1,backendName:"webgl",kernelFunc:G0e},q0e=mE+`
  return cos(x);
`,K0e=it({opSnippet:q0e}),X0e={kernelName:nl,backendName:"webgl",kernelFunc:K0e},Z0e=`
  float e2x = exp(-x);
  return (e2x + 1.0 / e2x) / 2.0;
`,Y0e=it({opSnippet:Z0e}),J0e={kernelName:rl,backendName:"webgl",kernelFunc:Y0e},Q0e=class{constructor(e,t,n,r,s){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];let[a,o,i,l]=e,[u]=t,[c,d]=n;this.outputShape=[u,c,d,l];let h=r==="bilinear"?1:0,[p,f]=[`${o-1}.0`,`${i-1}.0`],[m,g,y]=c>1?[`${(o-1)/(c-1)}`,"(y2-y1) * height_ratio",`y1*${p} + float(y)*(height_scale)`]:["0.0","0.0",`0.5 * (y1+y2) * ${p}`],[A,x,b]=d>1?[`${(i-1)/(d-1)}`,"(x2-x1) * width_ratio",`x1*${f} + float(x)*(width_scale)`]:["0.0","0.0",`0.5 * (x1+x2) * ${f}`];this.userCode=`
      const float height_ratio = float(${m});
      const float width_ratio = float(${A});
      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int y = coords[1];
        int x = coords[2];
        int d = coords[3];

        // get box vals
        float y1 = getBoxes(b,0);
        float x1 = getBoxes(b,1);
        float y2 = getBoxes(b,2);
        float x2 = getBoxes(b,3);

        // get image in batch index
        int bInd = round(getBoxInd(b));
        if(bInd < 0 || bInd >= ${a}) {
          return;
        }

        float height_scale = ${g};
        float width_scale = ${x};

        float in_y = ${y};
        if( in_y < 0.0 || in_y > ${p} ) {
          setOutput(float(${s}));
          return;
        }
        float in_x = ${b};
        if( in_x < 0.0 || in_x > ${f} ) {
          setOutput(float(${s}));
          return;
        }

        vec2 sourceFracIndexCR = vec2(in_x,in_y);
        if(${h} == 1) {
          // Compute the four integer indices.
          ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);
          ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));

          float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);
          float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);
          float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);
          float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);

          vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);

          float top = topLeft + (topRight - topLeft) * fracCR.x;
          float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;
          float newValue = top + (bottom - top) * fracCR.y;
          setOutput(newValue);
        } else {
          // Compute the coordinators of nearest neighbor point.
          ivec2 sourceNearestCR = ivec2(floor(
            sourceFracIndexCR + vec2(0.5,0.5)));
          float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);
          setOutput(newValue);
        }
      }
    `}},ege=e=>{let{inputs:t,backend:n,attrs:r}=e,{image:s,boxes:a,boxInd:o}=t,{cropSize:i,method:l,extrapolationValue:u}=r,c=new Q0e(s.shape,a.shape,i,l,u);return n.runWebGLProgram(c,[s,a,o],"float32")},tge={kernelName:$c,backendName:"webgl",kernelFunc:ege},FE=class{constructor(e,t,n){this.variableNames=["x"],this.customUniforms=[{name:"index",type:"float"}],this.outputShape=e;let r=e.length,s=t?"0.0":`getX(${ME(r,"coords")})`,a=e[e.length-1],o="",i="";t?(o=n?`end != ${a-1}`:"end != 0",i=n?"end + 1":"end - 1"):(o=n?`end + pow2 < ${a}`:"end >= pow2",i=n?"end + pow2":"end - pow2"),this.userCode=`
      void main() {
        ${wt(r)} coords = getOutputCoords();
        int end = ${OE(r,"coords")};
        float val = ${s};
        int pow2 = int(pow(2.0, index));
        if (${o}) {
          int idx = ${i};
          ${OE(r,"coords")} = idx;
          val += getX(${ME(r,"coords")});
        }
        setOutput(val);
      }
    `}};function ME(e,t){if(e===1)return`${t}`;if(e===2)return`${t}.x, ${t}.y`;if(e===3)return`${t}.x, ${t}.y, ${t}.z`;if(e===4)return`${t}.x, ${t}.y, ${t}.z, ${t}.w`;throw Error(`Cumulative sum for rank ${e} is not yet supported`)}function OE(e,t){if(e===1)return`${t}`;if(e===2)return`${t}.y`;if(e===3)return`${t}.z`;if(e===4)return`${t}.w`;throw Error(`Cumulative sum for rank ${e} is not yet supported`)}function nge(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,exclusive:o,reverse:i}=r,l=s.shape.length,u=_.getAxesPermutation([a],l),c=s;u!=null&&(c=Un({inputs:{x:s},backend:n,attrs:{perm:u}}));let d=_.getInnerMostAxes(1,l)[0];if(d!==l-1)throw new Error(`WebGL cumsum shader expects an inner-most axis=${s.shape.length-1} but got axis=${a}`);let h=c.shape[d],p=fr({inputs:{x:c},backend:n});for(let f=0;f<=Math.ceil(Math.log2(h))-1;f++){let m=new FE(c.shape,!1,i),g=[[f]],y=p;p=n.runWebGLProgram(m,[p],p.dtype,g),n.disposeIntermediateTensorInfo(y)}if(o){let f=new FE(c.shape,o,i),m=p;p=n.runWebGLProgram(f,[p],p.dtype),n.disposeIntermediateTensorInfo(m)}if(u!=null){let f=_.getUndoAxesPermutation(u),m=Un({inputs:{x:p},backend:n,attrs:{perm:f}});return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(c),m}return p}var rge={kernelName:sl,backendName:"webgl",kernelFunc:nge};function sge(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,weights:a}=t,{size:o,binaryOutput:i}=r;if(s.shape.length===1){let l=n.readSync(s.dataId),u=n.readSync(a.dataId),c=QC(l,u,a.dtype,a.shape,o);return n.makeTensorInfo([o],a.dtype,c)}else if(s.shape.length===2){let l=n.bufferSync(s),u=n.bufferSync(a),c=xpe(l,u,o,i);return n.makeTensorInfo(c.shape,a.dtype,c.values)}throw new Error(`Error in denseBincount: input must be at most rank 2, but got rank${s.shape.length}.`)}var age={kernelName:S1,backendName:"webgl",kernelFunc:sge},oge=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=e,this.blockSize=t,this.dataFormat=n,this.userCode=`
    void main() {
      ivec4 coords = getOutputCoords();
      int b = coords[0];
      int h = ${this.getHeightCoordString()};
      int w = ${this.getWidthCoordString()};
      int d = ${this.getDepthCoordString()};

      int in_h = h / ${t};
      int offset_h = imod(h, ${t});
      int in_w = w / ${t};
      int offset_w = imod(w, ${t});
      int offset_d = (offset_h * ${t} + offset_w) *
        ${this.getOutputDepthSize()};
      int in_d = d + offset_d;

      float result = ${this.getInputSamplingString()};
      setOutput(result);
    }
  `}getHeightCoordString(){return this.dataFormat==="NHWC"?"coords[1]":"coords[2]"}getWidthCoordString(){return this.dataFormat==="NHWC"?"coords[2]":"coords[3]"}getDepthCoordString(){return this.dataFormat==="NHWC"?"coords[3]":"coords[1]"}getOutputDepthSize(){return this.dataFormat==="NHWC"?this.outputShape[3]:this.outputShape[1]}getInputSamplingString(){return this.dataFormat==="NHWC"?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)"}};function ige(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockSize:a,dataFormat:o}=r;k.assert(a>1,()=>`blockSize should be > 1 for depthToSpace, but was: ${a}`);let i=s.shape[0],l=o==="NHWC"?s.shape[1]:s.shape[2],u=o==="NHWC"?s.shape[2]:s.shape[3],c=o==="NHWC"?s.shape[3]:s.shape[1],d=l*a,h=u*a,p=c/(a*a),f=o==="NHWC"?[i,d,h,p]:[i,p,d,h],m=new oge(f,a,o);return n.runWebGLProgram(m,[s],s.dtype)}var lge={kernelName:Rc,backendName:"webgl",kernelFunc:ige},PE=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let a=e.inHeight,o=e.inWidth,i=e.padInfo.top,l=e.padInfo.left,u=e.strideHeight,c=e.strideWidth,d=e.dilationHeight,h=e.dilationWidth,p=e.filterHeight,f=e.filterWidth,m=e.outChannels/e.inChannels,g="",y="";n&&(r?g=`float activation(float a) {
          float b = getPreluActivationWeightsAtOutCoords();
          ${n}
        }`:s?g=`float activation(float a) {
          float b = getLeakyreluAlphaAtOutCoords();
          ${n}
        }`:g=`
          float activation(float x) {
            ${n}
          }
        `,y="result = activation(result);");let A=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
      ${g}

      const ivec2 strides = ivec2(${u}, ${c});
      const ivec2 pads = ivec2(${i}, ${l});

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords.x;
        ivec2 xRCCorner = coords.yz * strides - pads;
        int d2 = coords.w;
        int d1 = d2 / ${m};
        int q = d2 - d1 * ${m};

        int xRCorner = xRCCorner.x;
        int xCCorner = xRCCorner.y;

        // Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;
        // TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.
        for (int wR = 0; wR < ${p}; wR++) {
          int xR = xRCorner + wR * ${d};

          if (xR < 0 || xR >= ${a}) {
            continue;
          }

          for (int wC = 0; wC < ${f}; wC++) {
            int xC = xCCorner + wC * ${h};

            if (xC < 0 || xC >= ${o}) {
              continue;
            }

            float xVal = getX(batch, xR, xC, d1);
            float wVal = getW(wR, wC, d1, q);
            dotProd += xVal * wVal;
          }
        }

        float result = dotProd;
        ${A}
        ${y}
        setOutput(result);
      }
    `}},zE=class{constructor(e,t=!1,n=null,r=!1,s=!1){this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e.outShape;let a=e.outChannels/e.inChannels,o=e.inHeight,i=e.inWidth,l=e.padInfo.top,u=e.padInfo.left,c=e.strideHeight,d=e.strideWidth,h=e.dilationHeight,p=e.dilationWidth,f=e.filterHeight,m=e.filterWidth,g=m,y=`
      int xR; int xC; int xCOffset;
      vec4 wTexel; vec4 previous; vec4 final;`;for(let v=0;v<m;v++)y+=`
          vec4 xTexelC${v*2};
          int xTexelC${v*2}Ready;
          vec4 xTexelC${v*2+1};
          int xTexelC${v*2+1}Ready;
          vec4 xC${v};`;for(let v=0;v<f;v++){for(let I=0;I<m;I++)y+=`
          xTexelC${I*2} = vec4(0.0);
          xTexelC${I*2}Ready = 0;
          xTexelC${I*2+1} = vec4(0.0);
          xTexelC${I*2+1}Ready = 0;
          xC${I} = vec4(0.0);`;y+=`
        xR = xRCorner + ${v*h};
        if (xR >=0 && xR < ${o}) {
      `;for(let I=0;I<(g+1)/2;I++){let w=I*2,S=w*p;if(y+=`
          xC = xCCorner + ${S};
          `,d===1){if(w<m&&(u%2==1?(y+=`
                xCOffset = xC + 1;
                if (xCOffset >= 0 && xCOffset < ${i} && xTexelC${w}Ready == 0) {
                  xTexelC${w} = getX(batch, xR, xCOffset, d1);

                  // Need to manually clear unused channels in case
                  // we're reading from recycled texture.
                  if (xCOffset + 1 >= ${i}) {
                    xTexelC${w}.zw = vec2(0.0);
                  }
                  xTexelC${w}Ready = 1;
                }
              `,p===1&&S>0?y+=`
                xC${w} = vec4(xTexelC${w-2}.zw, xTexelC${w}.xy);
                `:y+=`
                  xCOffset = xC + 1 - 2;

                  if (xCOffset >= 0 && xCOffset < ${i}) {
                    previous = getX(batch, xR, xCOffset, d1);

                    // Need to manually clear unused channels in case
                    // we're reading from recycled texture.
                    if (xCOffset + 1 >= ${i}) {
                      previous.zw = vec2(0.0);
                    }

                    xC${w} = vec4(previous.zw, xTexelC${w}.xy);
                  } else {
                    xC${w} = vec4(0.0, 0.0, xTexelC${w}.xy);
                  }
                  `):y+=`
                if (xC >= 0 && xC < ${i} && xTexelC${w}Ready == 0) {
                  xTexelC${w} = getX(batch, xR, xC, d1);
                  if (xC + 1 >= ${i}) {
                    xTexelC${w}.zw = vec2(0.0);
                  }
                  xTexelC${w}Ready = 1;
                }

                xC${w} = xTexelC${w};
                `,S+1<m)){let E=u%2==0?k.nearestLargerEven(p):p;p%2==0&&u%2==1||p%2!=0&&u%2!=1?(y+=`
                  xCOffset = xC + ${u%2} + ${E};

                  if (xCOffset >= 0 && xCOffset < ${i} && xTexelC${w+1}Ready == 0) {
                    xTexelC${w+1} = getX(batch, xR, xCOffset, d1);

                    // Need to manually clear unused channels in case
                    // we're reading from recycled texture.
                    if (xCOffset + 1 >= ${i}) {
                      xTexelC${w+1}.zw = vec2(0.0);
                    }
                    xTexelC${w+1}Ready = 1;
                  }
                  `,p>1&&(y+=`
                    xCOffset -= 2;
                    if (xCOffset >= 0 && xCOffset < ${i} && xTexelC${w}Ready == 0) {
                      xTexelC${w} = getX(batch, xR, xCOffset, d1);
                      xTexelC${w}Ready = 1;
                    }
                    `),y+=`
                  xC${w+1} = vec4(xTexelC${w}.zw, xTexelC${w+1}.xy);
                  `):E===1?y+=`
                    xC${w+1} = xTexelC${w};
                    `:y+=`
                    xCOffset = xC + ${E};

                    if (xCOffset >= 0 && xCOffset < ${i} && xTexelC${w+1}Ready == 0) {
                      xTexelC${w+1} = getX(batch, xR, xCOffset, d1);
                      if (xCOffset + 1 >= ${i}) {
                        xTexelC${w+1}.zw = vec2(0.0);
                      }
                      xTexelC${w+1}Ready = 1;
                    }

                    xC${w+1} = xTexelC${w+1};
                    `}}else S<m&&(u%2==1?(y+=`
                xCOffset = xC + 1 - ${d};
                if(xCOffset >= 0 && xCOffset < ${i} && xTexelC${w}Ready == 0) {
                  xTexelC${w} = getX(batch, xR, xCOffset, d1);
                  // Need to manually clear unused channels in case
                  // we're reading from recycled texture.
                  if (xCOffset + 1 >= ${i}) {
                    xTexelC${w}.zw = vec2(0.0);
                  }
                  xTexelC${w}Ready = 1;
                }

                if(xC + 1 >= 0 && xC + 1 < ${i} && xTexelC${w+1}Ready == 0) {
                  xTexelC${w+1} = getX(batch, xR, xC + 1, d1);
                  // Need to manually clear unused channels in case
                  // we're reading from recycled texture.
                  if (xC + 2 >= ${i}) {
                    xTexelC${w+1}.zw = vec2(0.0);
                  }
                  xTexelC${w+1}Ready = 1;
                }

                xC${w} = vec4(xTexelC${w}.zw, xTexelC${w+1}.zw);
              `,S+1<m&&(y+=`
                  final = vec4(0.0);
                  xCOffset = xC + 1 + ${d};
                  if(xCOffset >= 0 && xCOffset < ${i}) {
                    final = getX(batch, xR, xCOffset, d1);
                  }
                  xC${w+1} = vec4(xTexelC${w+1}.xy, final.xy);
                `)):(y+=`
                if(xC >= 0 && xC < ${i} && xTexelC${w}Ready == 0) {
                  xTexelC${w} = getX(batch, xR, xC, d1);
                  if (xC + 1 >= ${i}) {
                    xTexelC${w}.zw = vec2(0.0);
                  }
                  xTexelC${w}Ready = 1;
                }

                xCOffset = xC + ${d};
                if(xCOffset >= 0 && xCOffset < ${i} && xTexelC${w+1}Ready == 0) {
                  xTexelC${w+1} = getX(batch, xR, xCOffset, d1);
                  if (xCOffset + 1 >= ${i}) {
                    xTexelC${w+1}.zw = vec2(0.);
                  }
                  xTexelC${w+1}Ready = 1;
                }

                xC${w} = vec4(
                  xTexelC${w}.xy, xTexelC${w+1}.xy);
              `,S+1<m&&(y+=`
                  xC${w+1} = vec4(xTexelC${w}.zw, xTexelC${w+1}.zw);
                `)));w<m&&(y+=`
            wTexel = getW(${v}, ${S}, d1, q);
            dotProd += xC${w} * vec4(wTexel.xz, wTexel.xz);
          `,S+1<m&&(y+=`
              wTexel = getW(${v}, ${S+1}, d1, q);
              dotProd += xC${w+1} * vec4(wTexel.xz, wTexel.xz);
            `))}y+=`
        }
      `}let A="",x="";n&&(r?A=`vec4 activation(vec4 a) {
          vec4 b = getPreluActivationWeightsAtOutCoords();
          ${n}
        }`:s?A=`vec4 activation(vec4 a) {
          vec4 b = getLeakyreluAlphaAtOutCoords();
          ${n}
        }`:A=`vec4 activation(vec4 x) {
          ${n}
        }`,x="result = activation(result);");let b=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
      ${A}

      const ivec2 strides = ivec2(${c}, ${d});
      const ivec2 pads = ivec2(${l}, ${u});

      void main() {

        ivec4 coords = getOutputCoords();
        int batch = coords.x;
        ivec2 xRCCorner = coords.yz * strides - pads;
        int d2 = coords.w;
        int d1 = d2 / ${a};
        int q = d2 - d1 * ${a};
        int xRCorner = xRCCorner.x;
        int xCCorner = xRCCorner.y;

        //intialize dotProd with a small epsilon seems to reduce GPU accuracy loss.
        vec4 dotProd = vec4(0.000000000000001);

        ${y}

        vec4 result = dotProd - vec4(0.000000000000001);
        ${b}
        ${x}
        setOutput(result);
      }
    `}};function uge(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:l,dimRoundingMode:u}=r,c=l;c==null&&(c=[1,1]),k.assert(_.eitherStridesOrDilationsAreOne(o,c),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides ${o} and dilations '${c}'`);let d=_.computeConv2DInfo(s.shape,a.shape,o,c,i,u,!0),h;return re().getBool("WEBGL_PACK_DEPTHWISECONV")&&d.strideWidth<=2&&d.outChannels/d.inChannels==1?h=new zE(d):h=new PE(d),n.runWebGLProgram(h,[s,a],"float32")}var cge={kernelName:al,backendName:"webgl",kernelFunc:uge},dge=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,r=e.padInfo.top,s=e.padInfo.left,a=e.outChannels/e.inChannels;this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int wR = coords.x;
        int wC = coords.y;
        int d1 = coords.z;
        int dm = coords.w;
        int d2 = d1 * ${a} + dm;

        float dotProd = 0.0;

        // TO DO: Vec4 over the batch size
        for (int b = 0; b < ${e.batchSize}; b++) {
          for (int yR = 0; yR < ${e.outHeight}; yR++) {
            int xR = wR + yR * ${t} - ${r};

            if (xR < 0 || xR >= ${e.inHeight}) {
              continue;
            }

            for (int yC = 0; yC < ${e.outWidth}; yC++) {
              int xC = wC + yC * ${n} - ${s};

              if (xC < 0 || xC >= ${e.inWidth}) {
                continue;
              }

              float dyValue = getDy(b, yR, yC, d2);
              float xValue = getX(b, xR, xC, d1);
              dotProd += (xValue * dyValue);
            }
          }
        }
        setOutput(dotProd);
      }
    `}},hge=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,s=e.strideWidth,a=t-1-e.padInfo.top,o=n-1-e.padInfo.left,i=e.outChannels/e.inChannels;this.userCode=`
      const ivec2 pads = ivec2(${a}, ${o});

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords[0];
        int d1 = coords[3];
        ivec2 dyCorner = coords.yz - pads;
        int dyRCorner = dyCorner.x;
        int dyCCorner = dyCorner.y;

        float dotProd = 0.0;

        for (int wR = 0; wR < ${t}; wR++) {
          float dyR = float(dyRCorner + wR) / ${r}.0;

          if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
            continue;
          }
          int idyR = int(dyR);

          int wRPerm = ${t} - 1 - wR;

          for (int wC = 0; wC < ${n}; wC++) {
            float dyC = float(dyCCorner + wC) / ${s}.0;

            if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                fract(dyC) > 0.0) {
              continue;
            }
            int idyC = int(dyC);

            int wCPerm = ${n} - 1 - wC;

            // TO DO: Vec4 over the channelMul
            for (int dm = 0; dm < ${i}; dm++) {
              int d2 = d1 * ${i} + dm;
              float xValue = getDy(batch, idyR, idyC, d2);
              float wValue = getW(wRPerm, wCPerm, d1, dm);
              dotProd += xValue * wValue;
            }
          }
        }
        setOutput(dotProd);
      }
    `}};function pge(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,dy:a}=t,{strides:o,dilations:i,pad:l,dimRoundingMode:u,filterShape:c}=r,d=_.computeConv2DInfo(s.shape,c,o,i,l,u,!0),h=new dge(d);return n.runWebGLProgram(h,[s,a],"float32")}var fge={kernelName:T1,backendName:"webgl",kernelFunc:pge};function mge(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,filter:a}=t,{strides:o,dilations:i,pad:l,dimRoundingMode:u,inputShape:c}=r,d=_.computeConv2DInfo(c,a.shape,o,i,l,u,!0),h=new hge(d);return n.runWebGLProgram(h,[s,a],"float32")}var gge={kernelName:N1,backendName:"webgl",kernelFunc:mge},yge=class{constructor(e){this.variableNames=["X"],this.outputShape=[e,e],this.userCode=`
      void main() {
          ivec2 coords = getOutputCoords();
          float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;
          setOutput(val);
      }
    `}};function Age(e){let{inputs:t,backend:n}=e,{x:r}=t,s=[...r.shape,...r.shape],a=k.sizeFromShape(r.shape),o=ve({inputs:{x:r},backend:n,attrs:{shape:[a]}}),i=new yge(a),l=n.runWebGLProgram(i,[o],o.dtype),u=ve({inputs:{x:l},backend:n,attrs:{shape:s}});return n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(l),u}var xge={kernelName:C1,backendName:"webgl",kernelFunc:Age},bge=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let{inHeight:t,inWidth:n,padInfo:r,strideHeight:s,strideWidth:a,filterHeight:o,filterWidth:i,dilationHeight:l,dilationWidth:u}=e,{top:c,left:d}=r;this.userCode=`
      const ivec2 strides = ivec2(${s}, ${a});
      const ivec2 pads = ivec2(${c}, ${d});
      const float neg_infinity = -3.4e38;

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords.x;
        int d1 = coords.w;
        ivec2 outTopLeftCorner =
            coords.yz * strides - pads;
        int hBeg = outTopLeftCorner.x;
        int wBeg = outTopLeftCorner.y;

        float curVal = neg_infinity;
        for (int h = 0; h < ${o}; h++) {
          int hIn = hBeg + h * ${l};

          if (hIn >= 0 && hIn < ${t}) {
            for (int w = 0; w < ${i}; w++) {
              int wIn = wBeg + w * ${u};

              if (wIn >= 0 && wIn < ${n}) {
                float xVal = getX(batch, hIn, wIn, d1);
                float wVal = getW(h, w, d1);

                float val = xVal + wVal;
                if (val > curVal) {
                  curVal = val;
                }
              }
            }
          }
        }

        float result = curVal;
        setOutput(result);
      }
    `}};function vge(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a}=t,{strides:o,pad:i,dilations:l}=r,u=_.computeDilation2DInfo(s.shape,a.shape,o,i,"NHWC",l),c,d=new bge(u);c=n.runWebGLProgram(d,[s,a],"float32");let h=ve({inputs:{x:c},backend:n,attrs:{shape:u.outShape}});return n.disposeIntermediateTensorInfo(c),h}var wge={kernelName:Yp,backendName:"webgl",kernelFunc:vge};function kge(e){let{inputs:t,backend:n,attrs:r}=e,{equation:s}=r,a=t,{allDims:o,summedDims:i,idDims:l}=_.decodeEinsumEquation(s,a.length);_.checkEinsumDimSizes(o.length,l,a);let{path:u,steps:c}=_.getEinsumComputePath(i,l),d=c.length,h=null,p=o.length,f=[];for(let m=0;m<d;++m){for(let g of c[m]){let{permutationIndices:y,expandDims:A}=_.getEinsumPermutation(p,l[g]),x;_.isIdentityPermutation(y)?x=a[g]:(x=Un({inputs:{x:a[g]},backend:n,attrs:{perm:y}}),f.push(x));let b=x.shape.slice();for(let v=0;v<A.length;++v)b.splice(A[v],0,1);k.arraysEqual(x.shape,b)||(x=ve({inputs:{x},backend:n,attrs:{shape:b}}),f.push(x)),h===null?h=x:(h=Y5({inputs:{a:x,b:h},backend:n}),f.push(h))}m<d-1&&(u[m]>=0&&(h=Vm({inputs:{x:h},backend:n,attrs:{axis:u[m]-(o.length-p),keepDims:!1}}),f.push(h)),p--)}for(let m of f)m!==h&&n.disposeIntermediateTensorInfo(m);return h}var Ige={kernelName:R1,backendName:"webgl",kernelFunc:kge},Sge="return (x >= 0.0) ? x : (exp(x) - 1.0);",Tge=`
  vec4 result;

  result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);
  result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);
  result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);
  result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);

  return result;
`,Nge=it({opSnippet:Sge,packedOpSnippet:Tge}),Cge={kernelName:_c,backendName:"webgl",kernelFunc:Nge},Ege="return (b >= 1.0) ? a : a * (b + 1.0);",$ge=`
  vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));
  return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));
`,Rge=e=>{let{inputs:t,backend:n}=e,{dy:r,y:s}=t,a=re().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new ch($ge,r.shape,s.shape):new bu(Ege,r.shape,s.shape);return n.runWebGLProgram(a,[r,s],r.dtype)},_ge={kernelName:_1,backendName:"webgl",kernelFunc:Rge},Dge=`
  return vec4(equal(a, b));
`,Fge="return float(a == b);",Mge=Tn({opSnippet:Fge,packedOpSnippet:Dge,dtype:"bool",cpuKernelImpl:wpe}),Oge={kernelName:il,backendName:"webgl",kernelFunc:Mge},Pge=`
  // Error function is calculated approximately with elementary function.
  // See "Handbook of Mathematical Functions with Formulas,
  // Graphs, and Mathematical Tables", Abramowitz and Stegun.
  float p = ${_.ERF_P};
  float a1 = ${_.ERF_A1};
  float a2 = ${_.ERF_A2};
  float a3 = ${_.ERF_A3};
  float a4 = ${_.ERF_A4};
  float a5 = ${_.ERF_A5};

  float sign = sign(x);
  x = abs(x);
  float t = 1.0 / (1.0 + p * x);
  return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));
`,zge=it({opSnippet:Pge}),Lge={kernelName:Dc,backendName:"webgl",kernelFunc:zge},LE="return exp(x);",BE=it({opSnippet:LE,packedOpSnippet:LE,cpuKernelImpl:kpe}),Bge={kernelName:Eo,backendName:"webgl",kernelFunc:BE};function tb(e){let{inputs:t,attrs:n,backend:r}=e,{dim:s}=n,{input:a}=t,o=a.shape.length,i=a.shape.slice(),l=s;return s<0&&(k.assert(-(o+1)<=s,()=>`Axis must be in the interval [${-(o+1)}, ${o}]`),l=o+s+1),i.splice(l,0,1),ve({inputs:{x:a},backend:r,attrs:{shape:i}})}var Wge={kernelName:Fc,backendName:"webgl",kernelFunc:tb},WE="return exp(x) - 1.0;",Vge=it({opSnippet:WE,packedOpSnippet:WE,cpuKernelImpl:Ipe}),Uge={kernelName:ll,backendName:"webgl",kernelFunc:Vge},VE=class{constructor(e,t,n){this.variableNames=["real","imag"];let r=t[1];this.outputShape=t;let s=n?`2.0 * ${Math.PI}`:`-2.0 * ${Math.PI}`,a=n?`${r}.0`:"1.0",o;if(e==="real")o="return real * expR - imag * expI;";else if(e==="imag")o="return real * expI + imag * expR;";else throw new Error(`FFT component must be either "real" or "imag", got ${e}.`);this.userCode=`
      const float exponentMultiplier = ${s};

      float unaryOpComplex(float real, float expR, float imag, float expI) {
        ${o}
      }

      float mulMatDFT(int batch, int index) {
        float indexRatio = float(index) / float(${r});
        float exponentMultiplierTimesIndexRatio =
            exponentMultiplier * indexRatio;

        float result = 0.0;

        for (int i = 0; i < ${r}; i++) {
          // x = (-2|2 * PI / N) * index * i;
          float x = exponentMultiplierTimesIndexRatio * float(i);
          float expR = cos(x);
          float expI = sin(x);
          float real = getReal(batch, i);
          float imag = getImag(batch, i);

          result +=
              unaryOpComplex(real, expR, imag, expI) / ${a};
        }

        return result;
      }

      void main() {
        ivec2 coords = getOutputCoords();
        setOutput(mulMatDFT(coords[0], coords[1]));
      }
    `}};function UE(e,t,n){let r=n.texData.get(e.dataId),s=k.sizeFromShape(e.shape),a=e.shape[e.shape.length-1],o=s/a,i=ve({inputs:{x:e},backend:n,attrs:{shape:[o,a]}}),l=i.shape,u=new VE("real",l,t),c=new VE("imag",l,t),d=[{dataId:r.complexTensorInfos.real.dataId,dtype:r.complexTensorInfos.real.dtype,shape:l},{dataId:r.complexTensorInfos.imag.dataId,dtype:r.complexTensorInfos.imag.dtype,shape:l}],h=n.runWebGLProgram(u,d,"float32"),p=n.runWebGLProgram(c,d,"float32"),f=eo({inputs:{real:h,imag:p},backend:n});n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p);let m=ve({inputs:{x:f},backend:n,attrs:{shape:e.shape}});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(f),m}function Hge(e){let{inputs:t,backend:n}=e,{input:r}=t;return UE(r,!1,n)}var Gge={kernelName:D1,backendName:"webgl",kernelFunc:Hge},jge=class{constructor(e,t){this.outputShape=[],this.customUniforms=[{name:"value",type:"float"}],this.variableNames=["x"],this.outputShape=e,this.userCode=`
      void main() {
        // Input can be obtained from uniform value.
        setOutput(value);
      }
    `}};function qm(e){let{backend:t,attrs:n}=e,{shape:r,value:s}=n,{dtype:a}=n;if(a=a||k.inferDtype(s),a==="string"){let o=k.getArrayFromDType(a,k.sizeFromShape(r));return o.fill(s),t.makeTensorInfo(r,a,o)}else{let o=new jge(r,s),i=[[s]];return t.runWebGLProgram(o,[],a,i)}}var qge={kernelName:Jp,backendName:"webgl",kernelFunc:qm},Kge=class{constructor(e){this.variableNames=["Image"],this.outputShape=[];let t=e[2];this.outputShape=e,this.userCode=`
        void main() {
          ivec4 coords = getOutputCoords();
          int x = coords[2];

          int coordX = ${t} - x - 1;
          float outputValue;
          if(coordX >= 0 && coordX < ${t}) {
            outputValue = getImage(coords[0], coords[1], coordX, coords[3]);
          } else {
            outputValue = getImage(coords[0], coords[1], coords[2], coords[3]);
          }
          setOutput(outputValue);
        }
    `}},Xge={kernelName:Mc,backendName:"webgl",kernelFunc:({inputs:e,backend:t})=>{let{image:n}=e,r=t,s=new Kge(n.shape);return r.runWebGLProgram(s,[n],n.dtype)}},HE="return floor(x);",Zge=it({opSnippet:HE,packedOpSnippet:HE,cpuKernelImpl:Spe}),Yge={kernelName:$o,backendName:"webgl",kernelFunc:Zge},Jge=`
  float s = sign(a) * sign(b);
  int ia = round(a);
  int ib = round(b);
  if (ib != 0) {
    // Windows (D3D) wants guaranteed non-zero int division at compile-time.
    return float(idiv(ia, ib, s));
  } else {
    return NAN;
  }
`,Qge=`
  ivec4 ia = round(a);
  ivec4 ib = round(b);
  bvec4 cond = notEqual(ib, ivec4(0));
  ivec4 result = ivec4(0);
  vec4 s = sign(a) * sign(b);

  // Windows (D3D) wants guaranteed non-zero int division at compile-time.
  if (cond[0]) {
    result[0] = idiv(ia[0], ib[0], s[0]);
  }
  if (cond[1]) {
    result[1] = idiv(ia[1], ib[1], s[1]);
  }
  if (cond[2]) {
    result[2] = idiv(ia[2], ib[2], s[2]);
  }
  if (cond[3]) {
    result[3] = idiv(ia[3], ib[3], s[3]);
  }
  return vec4(result);
`,e2e=Tn({opSnippet:Jge,packedOpSnippet:Qge,dtype:"int32"}),t2e={kernelName:ul,backendName:"webgl",kernelFunc:e2e},n2e=class{constructor(e){this.variableNames=["A"];let t=Wn(),[n,r]=e;this.outputShape=e,this.userCode=`
      void main() {
        ivec3 coords = getOutputCoords();
        int texR = coords[0];
        int texC = coords[1];
        int depth = coords[2];
        vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${r}.0, ${n}.0);

        vec4 values = ${t.texture2D}(A, uv);
        float value;
        if (depth == 0) {
          value = values.r;
        } else if (depth == 1) {
          value = values.g;
        } else if (depth == 2) {
          value = values.b;
        } else if (depth == 3) {
          value = values.a;
        }

        setOutput(floor(value * 255.0 + 0.5));
      }
    `}},r2e=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let t=Wn(),[n,r]=e;this.outputShape=e,this.userCode=`
      void main() {
        ivec3 coords = getOutputCoords();
        int texR = coords[0];
        int texC = coords[1];
        int depth = coords[2];

        vec4 result = vec4(0.);

        for(int row=0; row<=1; row++) {
          for(int col=0; col<=1; col++) {
            texC = coords[1] + row;
            depth = coords[2] + col;

            vec2 uv = (vec2(texC, texR) + halfCR) /
                       vec2(${r}.0, ${n}.0);
            vec4 values = ${t.texture2D}(A, uv);
            float value;
            if (depth == 0) {
              value = values.r;
            } else if (depth == 1) {
              value = values.g;
            } else if (depth == 2) {
              value = values.b;
            } else if (depth == 3) {
              value = values.a;
            }

            result[row * 2 + col] = floor(value * 255.0 + 0.5);
          }
        }

        ${t.output} = result;
      }
    `}},s2e={kernelName:ey,backendName:"webgl",kernelFunc:a2e},ku;function a2e(e){let{inputs:t,backend:n,attrs:r}=e,{pixels:s}=t,{numChannels:a}=r,o=typeof HTMLVideoElement!="undefined"&&s instanceof HTMLVideoElement,i=typeof HTMLImageElement!="undefined"&&s instanceof HTMLImageElement,[l,u]=o?[s.videoWidth,s.videoHeight]:[s.width,s.height],c=[u,l],d=[u,l,a];(i||o)&&(ku==null&&(ku=document.createElement("canvas").getContext("2d")),ku.canvas.width=l,ku.canvas.height=u,ku.drawImage(s,0,0,l,u),s=ku.canvas);let h=n.makeTensorInfo(c,"int32");n.texData.get(h.dataId).usage=Fr.PIXELS,n.gpgpu.uploadPixelDataToTexture(n.getTexture(h.dataId),s);let p=re().getBool("WEBGL_PACK")?new r2e(d):new n2e(d),f=n.runWebGLProgram(p,[h],"int32");return n.disposeData(h.dataId),f}function o2e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a,bias:o,preluActivationWeights:i}=t,{strides:l,pad:u,dataFormat:c,dilations:d,dimRoundingMode:h,activation:p,leakyreluAlpha:f}=r,m=_.convertConv2DDataFormat(c),g=_.computeConv2DInfo(s.shape,a.shape,l,d,u,h,!1,m),y,A=[];if(g.filterHeight===1&&g.filterWidth===1&&g.dilationHeight===1&&g.dilationWidth===1&&g.strideHeight===1&&g.strideWidth===1&&(g.padInfo.type==="SAME"||g.padInfo.type==="VALID"))y=_E({x:s,filter:a,convInfo:g,backend:n,bias:o,activation:p,preluActivationWeights:i,leakyreluAlpha:f});else if(re().getBool("WEBGL_CONV_IM2COL")&&s.shape[0]===1)y=DE({x:s,filter:a,convInfo:g,backend:n,bias:o,activation:p,preluActivationWeights:i,leakyreluAlpha:f});else{let b=o!=null,v=i!=null,I=p==="leakyrelu",w=p?Bm(p,!1):null,S=new RE(g,b,w,v,I),E=[s,a];if(o&&E.push(o),i&&E.push(i),I){let D=n.makeTensorInfo([],"float32",k.createScalarValue(f,"float32"));E.push(D),A.push(D)}y=n.runWebGLProgram(S,E,"float32")}let x=ve({inputs:{x:y},backend:n,attrs:{shape:g.outShape}});return A.push(y),A.forEach(b=>n.disposeIntermediateTensorInfo(b)),x}var i2e={kernelName:Bl,backendName:"webgl",kernelFunc:o2e};function l2e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,filter:a,bias:o,preluActivationWeights:i}=t,{strides:l,pad:u,dilations:c,dimRoundingMode:d,activation:h,leakyreluAlpha:p}=r,f=[],m=c;m==null&&(m=[1,1]),k.assert(_.eitherStridesOrDilationsAreOne(l,m),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides ${l} and dilations '${m}'`);let g=_.computeConv2DInfo(s.shape,a.shape,l,m,u,d,!0),y=re().getBool("WEBGL_PACK_DEPTHWISECONV")&&g.strideWidth<=2&&g.outChannels/g.inChannels==1,A=h?Bm(h,y):null,x=[s,a],b=o!=null,v=i!=null,I=h==="leakyrelu";if(b&&x.push(o),v&&x.push(i),I){let E=n.makeTensorInfo([],"float32",k.createScalarValue(p,"float32"));x.push(E),f.push(E)}let w;y?w=new zE(g,b,A,v,I):w=new PE(g,b,A,v,I);let S=n.runWebGLProgram(w,x,"float32");return f.forEach(E=>n.disposeIntermediateTensorInfo(E)),S}var u2e={kernelName:Wl,backendName:"webgl",kernelFunc:l2e},c2e=class{constructor(e,t,n){this.sliceDim=e,this.strides=t,this.variableNames=["x","indices"],this.outputShape=n;let r=wt(t.length),s=wt(n.length),a=this.sliceDim>1?"strides[j]":"strides";this.userCode=`
        ${r} strides = ${r}(${this.strides});
         void main() {
          ${s} coords = getOutputCoords();
          int flattenIndex = 0;
          for (int j = 0; j < ${this.sliceDim}; j++) {
            int index = round(getIndices(coords[0], j));
            flattenIndex += index * ${a};
          }
          setOutput(getX(flattenIndex, coords[1]));
        }
      `}};function d2e(e){let{inputs:t,backend:n}=e,{params:r,indices:s}=t,a=s.shape,o=a[a.length-1],i=k.sizeFromShape(r.shape),[l,u,c,d]=_.prepareAndValidate(r,s),h=ve({inputs:{x:s},backend:n,attrs:{shape:[u,o]}}),p=ve({inputs:{x:r},backend:n,attrs:{shape:[k.sizeFromShape(r.shape)/c,c]}});if(n.shouldExecuteOnCPU([r,s])||r.dtype==="string"){let y=n.readSync(s.dataId),A=n.bufferSync(r),x=Tpe(y,A,r.dtype,u,o,c,d,r.shape,i);return n.makeTensorInfo(l,r.dtype,x.values)}let f=new c2e(o,d,[u,c]),m=n.runWebGLProgram(f,[p,h],p.dtype),g=ve({inputs:{x:m},backend:n,attrs:{shape:l}});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(m),g}var h2e={kernelName:Pc,backendName:"webgl",kernelFunc:d2e},p2e=class{constructor(e,t){this.variableNames=["A","indices"],this.outputShape=t,this.rank=t.length;let n=wt(this.rank),r=f2e(e,2);this.userCode=`
      void main() {
        ${n} resRC = getOutputCoords();
        setOutput(getA(${r}));
      }
    `}};function f2e(e,t){let n=["resRC.x","resRC.y","resRC.z","resRC.w"],r=[];for(let s=0;s<e.length;s++)s===2?r.push("int(getIndices(resRC.x, resRC.z))"):r.push(`${n[s]}`);return r.join()}function GE(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,indices:a}=t,{axis:o,batchDims:i}=r,l=k.parseAxisParam(o,s.shape)[0],u=_.segment_util.collectGatherOpShapeInfo(s,a,l,i),c=k.sizeFromShape(a.shape),d=[],h=ve({inputs:{x:s},backend:n,attrs:{shape:[u.batchSize,u.outerSize,u.dimSize,u.sliceSize]}}),p=ve({inputs:{x:a},backend:n,attrs:{shape:[u.batchSize,c/u.batchSize]}});d.push(h),d.push(p);let f=[u.batchSize,u.outerSize,c/u.batchSize,u.sliceSize];if(n.shouldExecuteOnCPU([s,a])||s.dtype==="string"){let A=n.bufferSync(p),x=n.bufferSync(h),b=Npe(x,A,f);return d.forEach(v=>n.disposeIntermediateTensorInfo(v)),n.makeTensorInfo(u.outputShape,b.dtype,b.values)}let m=new p2e(h.shape,f),g=n.runWebGLProgram(m,[h,p],h.dtype);d.push(g);let y=ve({inputs:{x:g},backend:n,attrs:{shape:u.outputShape}});return d.forEach(A=>n.disposeIntermediateTensorInfo(A)),y}var m2e={kernelName:Oc,backendName:"webgl",kernelFunc:GE},g2e="return float(a > b);",y2e=`
  return vec4(greaterThan(a, b));
`,A2e=Tn({opSnippet:g2e,packedOpSnippet:y2e,cpuKernelImpl:Cpe,dtype:"bool"}),x2e={kernelName:dl,backendName:"webgl",kernelFunc:A2e},b2e="return float(a >= b);",v2e=`
  return vec4(greaterThanEqual(a, b));
`,w2e=Tn({opSnippet:b2e,packedOpSnippet:v2e,dtype:"bool",cpuKernelImpl:Epe}),k2e={kernelName:Ro,backendName:"webgl",kernelFunc:w2e};function I2e(e){let{inputs:t,backend:n}=e,{input:r}=t;return UE(r,!0,n)}var S2e={kernelName:F1,backendName:"webgl",kernelFunc:I2e},T2e="return float(!isnan(x) && !isinf(x));",N2e=it({opSnippet:T2e,dtype:"bool"}),C2e={kernelName:zc,backendName:"webgl",kernelFunc:N2e},E2e="return float(isinf(x));",$2e=it({opSnippet:E2e,dtype:"bool"}),R2e={kernelName:Lc,backendName:"webgl",kernelFunc:$2e},_2e="return float(isnan(x));",D2e=it({opSnippet:_2e,dtype:"bool"}),F2e={kernelName:Bc,backendName:"webgl",kernelFunc:D2e},M2e="return float(a < b);",O2e=`
  return vec4(lessThan(a, b));
`,P2e=Tn({opSnippet:M2e,packedOpSnippet:O2e,cpuKernelImpl:$pe,dtype:"bool"}),z2e={kernelName:fl,backendName:"webgl",kernelFunc:P2e},L2e="return float(a <= b);",B2e=`
  return vec4(lessThanEqual(a, b));
`,W2e=Tn({opSnippet:L2e,packedOpSnippet:B2e,cpuKernelImpl:Rpe,dtype:"bool"}),V2e={kernelName:ml,backendName:"webgl",kernelFunc:W2e};function U2e(e){let{backend:t,attrs:n}=e,{start:r,stop:s,num:a}=n,o=_pe(r,s,a);return t.makeTensorInfo([o.length],"float32",o)}var H2e={kernelName:O1,backendName:"webgl",kernelFunc:U2e},G2e=`if (x < 0.0) return NAN;
  return log(x);`,j2e=`
  vec4 result = log(x);
  vec4 isNaN = vec4(lessThan(x, vec4(0.0)));
  result.r = isNaN.r == 1.0 ? NAN : result.r;
  result.g = isNaN.g == 1.0 ? NAN : result.g;
  result.b = isNaN.b == 1.0 ? NAN : result.b;
  result.a = isNaN.a == 1.0 ? NAN : result.a;

  return result;
`,q2e=it({opSnippet:G2e,packedOpSnippet:j2e,cpuKernelImpl:Dpe}),K2e={kernelName:_o,backendName:"webgl",kernelFunc:q2e},X2e="return log(1.0 + x);",Z2e=it({opSnippet:X2e}),Y2e={kernelName:Wc,backendName:"webgl",kernelFunc:Z2e},J2e="return float(a >= 1.0 && b >= 1.0);",Q2e=`
  return vec4(
    vec4(greaterThanEqual(a, vec4(1.0))) *
    vec4(greaterThanEqual(b, vec4(1.0))));
`,e1e=Tn({opSnippet:J2e,packedOpSnippet:Q2e,dtype:"bool"}),t1e={kernelName:Vc,backendName:"webgl",kernelFunc:e1e},n1e="return float(!(x >= 1.0));",r1e=it({opSnippet:n1e}),s1e={kernelName:Qp,backendName:"webgl",kernelFunc:r1e},a1e="return float(a >= 1.0 || b >= 1.0);",o1e=`
  return min(
    vec4(greaterThanEqual(a, vec4(1.0))) +
    vec4(greaterThanEqual(b, vec4(1.0))),
    vec4(1.0));
`,i1e=Tn({opSnippet:a1e,packedOpSnippet:o1e,dtype:"bool"}),l1e={kernelName:ef,backendName:"webgl",kernelFunc:i1e},u1e=class{constructor(e,t,n,r,s){this.variableNames=["x"],this.outputShape=[];let a=t,o=e[3]-1;this.outputShape=e;let i,l=`float(${n}) + float(${r}) * sum`;s===.5?i=`inversesqrt(${l})`:s===1?i=`1.0/(${l})`:i=`exp(log(${l}) * float(-${s}));`,this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int r = coords[1];
        int c = coords[2];
        int d = coords[3];
        float x = getX(b, r, c, d);
        float sum = 0.0;
        for (int j = -${a}; j <= ${a}; j++) {
          int idx = d + j;
          if (idx >= 0 && idx <=  ${o}) {
            float z = getX(b, r, c, idx);
            sum += z * z;
          }
        }
        float val = x * ${i};
        setOutput(val);
      }
    `}},c1e=class{constructor(e,t,n,r,s){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;let a=t,o=e[3]-1;this.outputShape=e;let i,l=`float(${n}) + float(${r}) * sum`;s===.5?i=`inversesqrt(${l})`:s===1?i=`1.0/(${l})`:i=`exp(log(${l}) * float(-${s}));`,this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords.x;
        int r = coords.y;
        int c = coords.z;
        int d = coords.w;

        bool hasNextCol = d < ${this.outputShape[3]};
        bool hasNextRow = c < ${this.outputShape[2]};

        vec4 sum = vec4(0.);
        vec4 xFragAtOutputCoords = getX(b, r, c, d);

        vec4 xAtOutputCoords = vec4(
          getChannel(xFragAtOutputCoords, vec2(c, d)),
          hasNextCol ?
            getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,
          hasNextRow ?
            getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,
          (hasNextRow && hasNextCol) ?
            getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0
        );

        int firstChannel = d - ${a};
        vec2 cache = vec2(0.);
        if(firstChannel >= 0){
          vec4 firstChannelFrag = getX(b, r, c, firstChannel);
          cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));
            if(hasNextRow){
              cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));
            }
        }

        ivec2 depth = ivec2(d, d + 1);
        for (int j = - ${a}; j <= ${a}; j++) {
          ivec2 idx = depth + j;
          bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));
          bvec2 belowUpperBound = lessThanEqual(idx, ivec2(${o}));

          bool depthInRange = aboveLowerBound.x && belowUpperBound.x;
          bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;

          if(depthInRange || depthPlusOneInRange){
            vec4 z = vec4(0.);
            vec4 xFragAtCurrentDepth;
            z.xz = cache.xy;
            if(depthPlusOneInRange && hasNextCol){
              xFragAtCurrentDepth = idx.y != d ?
                getX(b, r, c, idx.y) : xFragAtOutputCoords;
              z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));
              if(hasNextRow){
                z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));
              }
            }
            cache.xy = z.yw;
            sum += z * z;
          }
        }
        vec4 result = xAtOutputCoords * ${i};
        setOutput(result);
      }
    `}},d1e=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{depthRadius:a,bias:o,alpha:i,beta:l}=r,u=re().getBool("WEBGL_PACK_NORMALIZATION")?new c1e(s.shape,a,o,i,l):new u1e(s.shape,a,o,i,l);return n.runWebGLProgram(u,[s],s.dtype)},h1e={kernelName:tf,backendName:"webgl",kernelFunc:d1e},p1e=class{constructor(e,t,n,r,s){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=e,this.depth=e[3],this.depthRadius=t,this.bias=n,this.alpha=r,this.beta=s,this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int r = coords[1];
        int c = coords[2];

        float result = 0.0;
        for (int d = 0; d < ${this.depth}; ++d) {
          int depthBegin = int(max(0.0, float(d - ${t})));
          int depthEnd = int(min(float(${this.depth}),
              float(d + ${t} + 1)));

          const int MIN_DEPTH_BEGIN = 0;
          const int MAX_DEPTH_END = ${this.depth};

          float norm = 0.0;
          for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {
            if (k < depthBegin){
              continue;
            }
            else if (k >= depthBegin && k < depthEnd) {
              norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);
            }
            else {
              break;
            }
          }

          norm = float(${r}) * norm + float(${n});

          for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){
            if (k < depthBegin){
              continue;
            }
            else if (k >= depthBegin && k < depthEnd){
              float dyi = -2.0 * float(${r})
                * float(${s})
                * getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)
                / norm;
              if (k == d) {
                dyi += pow(norm, -1.0 * ${s});
              }
              if (k == coords[3]) {
                dyi *= getDy(b, r, c, d);
                result += dyi;
              }
            }
            else {
              break;
            }
          }
      }
      setOutput(result);
      }
    `}},f1e=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s,y:a,dy:o}=t,{depthRadius:i,bias:l,alpha:u,beta:c}=r,d=new p1e(s.shape,i,l,u,c);return n.runWebGLProgram(d,[s,a,o],s.dtype)},m1e={kernelName:P1,backendName:"webgl",kernelFunc:f1e};function g1e(e,t,n,r){let s=k.sizeFromShape(t),o=k.sizeFromShape(e.shape)/s,i=ve({inputs:{x:e},attrs:{shape:[o,s]},backend:r}),l=Ai(i,e.dtype,"max",r),u=ve({inputs:{x:l},attrs:{shape:n},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(l),u}function jE(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{reductionIndices:a,keepDims:o}=r,i=s.shape.length,l=k.parseAxisParam(a,s.shape),u=l,c=_.getAxesPermutation(u,i),d=c!=null,h=n.shouldExecuteOnCPU([s]),p=s;if(d){if(h){let x=n.texData.get(p.dataId).values,b=new Array(i);for(let w=0;w<b.length;w++)b[w]=s.shape[c[w]];let v=Z5(x,s.shape,s.dtype,c,b);p=n.makeTensorInfo(b,s.dtype);let I=n.texData.get(p.dataId);I.values=v}else p=Wm(s,c,n);u=_.getInnerMostAxes(u.length,i)}_.assertAxesAreInnerMostDims("max",u,i);let[f,m]=_.computeOutAndReduceShapes(p.shape,u),g=f;o&&(g=_.expandShapeToKeepDim(f,l));let y;if(h){let x=n.texData.get(p.dataId).values,b=Fpe(x,k.sizeFromShape(m),g,s.dtype);y=n.makeTensorInfo(g,s.dtype);let v=n.texData.get(y.dataId);v.values=b}else y=g1e(p,m,g,n);return d&&n.disposeIntermediateTensorInfo(p),y}var y1e={kernelName:gl,backendName:"webgl",kernelFunc:jE},A1e=cE+`
  return max(a, b);
`,x1e=`
  vec4 result = vec4(max(a, b));
  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
  `+Lm+`
  return result;
`,b1e=Tn({opSnippet:A1e,packedOpSnippet:x1e,cpuKernelImpl:Mpe}),v1e={kernelName:Do,backendName:"webgl",kernelFunc:b1e};function w1e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t;hu(s,"maxPool");let{filterSize:a,strides:o,pad:i,dimRoundingMode:l}=r,u=1;k.assert(_.eitherStridesOrDilationsAreOne(o,u),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${o} and dilations '${u}'`);let c=_.computePool2DInfo(s.shape,a,o,u,i,l);if(c.filterWidth===1&&c.filterHeight===1&&k.arraysEqual(c.inShape,c.outShape))return fr({inputs:{x:s},backend:n});let d=new dh(c,"max",!1);return n.runWebGLProgram(d,[s],s.dtype)}var k1e={kernelName:yl,backendName:"webgl",kernelFunc:w1e};function I1e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{filterSize:a,strides:o,pad:i,dataFormat:l,dimRoundingMode:u}=r,c=[1,1,1],d=_.computePool3DInfo(s.shape,a,o,c,i,u,l),h=new J5(d,"max",!1);return n.runWebGLProgram(h,[s],s.dtype)}var S1e={kernelName:nf,backendName:"webgl",kernelFunc:I1e},T1e=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideHeight,n=e.strideWidth,r=e.dilationHeight,s=e.effectiveFilterHeight,a=e.effectiveFilterWidth,o=s-1-e.padInfo.top,i=a-1-e.padInfo.left,l=s*a-1;this.userCode=`
      const ivec2 pads = ivec2(${o}, ${i});

      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];

        ivec2 dyRCCorner = coords.yz - pads;
        int dyRCorner = dyRCCorner.x;
        int dyCCorner = dyRCCorner.y;

        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;
        for (int wR = 0; wR < ${s};
          wR += ${r}) {
          float dyR = float(dyRCorner + wR) / ${t}.0;

          if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
            continue;
          }
          int idyR = int(dyR);

          for (int wC = 0; wC < ${a}; wC++) {
            float dyC = float(dyCCorner + wC) / ${n}.0;

            if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                fract(dyC) > 0.0) {
              continue;
            }
            int idyC = int(dyC);

            float dyValue = getDy(b, idyR, idyC, d);
            int maxPosValue = ${l} - int(getMaxPos(b, idyR, idyC, d));

            // Get the current value, check it against the value from the
            // position matrix.
            int curPosValue = wR * ${a} + wC;
            float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);

            dotProd += dyValue * mask;
          }
        }
        setOutput(dotProd);
      }
    `}},N1e=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideDepth,n=e.strideHeight,r=e.strideWidth,s=e.dilationDepth,a=e.dilationHeight,o=e.dilationWidth,i=e.effectiveFilterDepth,l=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=i-1-e.padInfo.front,d=l-1-e.padInfo.top,h=u-1-e.padInfo.left,p=i*l*u-1;this.userCode=`
      const ivec3 pads = ivec3(${c}, ${d}, ${h});

      void main() {
        ivec5 coords = getOutputCoords();
        int batch = coords.x;
        int ch = coords.u;

        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
        int dyDCorner = dyCorner.x;
        int dyRCorner = dyCorner.y;
        int dyCCorner = dyCorner.z;

        // Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get
        // dx(xD, xR, xC, ch).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;

        for (int wD = 0; wD < ${i};
           wD += ${s}) {
          float dyD = float(dyDCorner + wD) / ${t}.0;

          if (dyD < 0.0 || dyD >= ${e.outDepth}.0 || fract(dyD) > 0.0) {
            continue;
          }
          int idyD = int(dyD);

          for (int wR = 0; wR < ${l};
              wR += ${a}) {
            float dyR = float(dyRCorner + wR) / ${n}.0;

            if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
                fract(dyR) > 0.0) {
              continue;
            }
            int idyR = int(dyR);

            for (int wC = 0; wC < ${u};
                wC += ${o}) {
              float dyC = float(dyCCorner + wC) / ${r}.0;

              if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
                  fract(dyC) > 0.0) {
                continue;
              }
              int idyC = int(dyC);

              float dyValue = getDy(batch, idyD, idyR, idyC, ch);
              int maxPosValue = ${p} -
                  int(getMaxPos(batch, idyD, idyR, idyC, ch));

              // Get the current value, check it against the value from the
              // position matrix.
              int curPosValue =
                  wD * ${l} * ${u} +
                  wR * ${u} + wC;
              float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);

              dotProd += dyValue * mask;
            }
          }
        }
        setOutput(dotProd);
      }
    `}};function C1e(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a}=t,o=a,{filterSize:i,strides:l,pad:u,dimRoundingMode:c}=r,d=[1,1,1],h=_.computePool3DInfo(o.shape,i,l,d,u,c),p=new J5(h,"max",!0),f=n.runWebGLProgram(p,[o],o.dtype),m=new N1e(h),g=n.runWebGLProgram(m,[s,f],o.dtype);return n.disposeIntermediateTensorInfo(f),g}var E1e={kernelName:L1,backendName:"webgl",kernelFunc:C1e};function $1e(e){let{inputs:t,backend:n,attrs:r}=e,{dy:s,input:a,output:o}=t,i=a;hu([a,o],"maxPoolGrad");let{filterSize:l,strides:u,pad:c,dimRoundingMode:d}=r,h=_.computePool2DInfo(i.shape,l,u,1,c,d),p=!0,f=new dh(h,"max",p),m=n.runWebGLProgram(f,[i],i.dtype),g=new T1e(h),y=n.runWebGLProgram(g,[s,m],i.dtype);return n.disposeIntermediateTensorInfo(m),y}var R1e={kernelName:z1,backendName:"webgl",kernelFunc:$1e};function _1e(e,t,n,r){let s=new dh(n,"max",!1),a=r.runWebGLProgram(s,[e],"float32");s=new dh(n,"max",!0,!0,t);let o=r.runWebGLProgram(s,[e],"float32");return[a,o]}var D1e={kernelName:B1,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:r}=e,{filterSize:s,strides:a,pad:o,includeBatchInIndex:i}=t,l=n;k.assert(r.shape.length===4,()=>`Error in maxPool: input must be rank 4 but got rank ${r.shape.length}.`);let u=[1,1];k.assert(_.eitherStridesOrDilationsAreOne(a,u),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${a} and dilations '${u}'`);let c=_.computePool2DInfo(r.shape,s,a,u,o),[d,h]=_1e(r,i,c,l);return[d,h]}};function F1e(e,t,n,r){let s=k.sizeFromShape(t),o=k.sizeFromShape(e.shape)/s,i=ve({inputs:{x:e},attrs:{shape:[o,s]},backend:r}),l=Ai(i,"float32","mean",r),u=ve({inputs:{x:l},attrs:{shape:n},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(l),u}var M1e={kernelName:Al,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:r}=e,{keepDims:s,axis:a}=t,o=n,i=r.shape.length,l=k.parseAxisParam(a,r.shape),u=l,c=_.getAxesPermutation(u,i),d=c!=null,h=o.shouldExecuteOnCPU([r]),p=[],f=r;if(d){if(h){let b=o.texData.get(f.dataId).values,v=new Array(i);for(let S=0;S<v.length;S++)v[S]=r.shape[c[S]];let I=Z5(b,r.shape,r.dtype,c,v);f=o.makeTensorInfo(v,r.dtype);let w=o.texData.get(f.dataId);w.values=I}else f=Wm(r,c,o);p.push(f),u=_.getInnerMostAxes(u.length,i)}_.assertAxesAreInnerMostDims("sum",u,i);let[m,g]=_.computeOutAndReduceShapes(f.shape,u),y=m;s&&(y=_.expandShapeToKeepDim(m,l));let A=F1e(f,g,y,o);for(let x of p)o.disposeIntermediateTensorInfo(x);return A}};function O1e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,l=k.parseAxisParam(a,s.shape),u=l,c=_.getAxesPermutation(u,i),d=s;c!=null&&(d=Un({inputs:{x:s},backend:n,attrs:{perm:c}}),u=_.getInnerMostAxes(u.length,s.shape.length)),_.assertAxesAreInnerMostDims("min",u,i);let[h,p]=_.computeOutAndReduceShapes(d.shape,u),f=k.sizeFromShape(p),m=ve({inputs:{x:d},backend:n,attrs:{shape:[-1,f]}}),g=Ai(m,m.dtype,"min",n),y;if(o){let A=_.expandShapeToKeepDim(h,l);y=ve({inputs:{x:g},backend:n,attrs:{shape:A}})}else y=ve({inputs:{x:g},backend:n,attrs:{shape:h}});return n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(g),c!=null&&n.disposeIntermediateTensorInfo(d),y}var P1e={kernelName:xl,backendName:"webgl",kernelFunc:O1e},z1e=cE+`
  return min(a, b);
`,L1e=`
  vec4 result = vec4(min(a, b));
  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
  `+Lm+`
  return result;
`,B1e=Tn({opSnippet:z1e,packedOpSnippet:L1e,cpuKernelImpl:Ope}),W1e={kernelName:Fo,backendName:"webgl",kernelFunc:B1e},V1e=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=t.map((u,c)=>u[0]+e[c]+u[1]);let r=e.length,s=wt(r),a=t.map(u=>u[0]).join(","),o=t.map((u,c)=>u[0]+e[c]).join(","),i=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r),l=n==="reflect"?0:1;if(r===1){this.userCode=`
        int start = ${a};
        int end = ${o};

        void main() {
          int outC = getOutputCoords();
          if (outC < start) {
            outC = start * 2 - outC - ${l};
          } else if(outC >= end) {
            outC = (end - 1) * 2 - outC + ${l};
          }
          setOutput(getX(outC - start));
        }
      `;return}this.userCode=`
      ${s} start = ${s}(${a});
      ${s} end = ${s}(${o});

      void main() {
        ${s} outC = getOutputCoords();
        for (int i = 0; i < ${r}; i++) {
          if (outC[i] < start[i]) {
            outC[i] = start[i] * 2 - outC[i] - ${l};
          } else if(outC[i] >= end[i]) {
            outC[i] = (end[i] - 1) * 2 - outC[i] + ${l};
          }
        }
        ${s} coords = outC - start;
        setOutput(getX(${i}));
      }
    `}},U1e=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((p,f)=>p[0]+e[f]+p[1]);let r=e.length,s=wt(r),a=t.map(p=>p[0]).join(","),o=t.map((p,f)=>p[0]+e[f]).join(","),i=Vn("rc",r),l=Vn("source",r),u=`${i[r-1]} < ${this.outputShape[r-1]}`,c=r===1?"source":`vec2(${l.slice(-2).join()})`,d=n==="reflect"?0:1,h="";if(r===1){let p=`
        ${s} source = rc;
        if (source < start) {
          source = start * 2 - source - ${d};
        } else if (source >= end) {
          source = (end - 1) * 2 - source + ${d};
        }
        source -= start;
      `;h=`
        ${s} rc = outputLoc;
        ${p}
        result[0] = getChannel(getX(${l.join()}), ${c});
        ${i[r-1]} += 1;
        if(${u}) {
          ${p}
          result[1] = getChannel(getX(${l.join()}), ${c});
        }
      `}else{let p=`
        ${s} source = rc;
        ${s} lt = ${s}(lessThan(source, start));
        ${s} gte = ${s}(greaterThanEqual(source, end));
        ${s} orig = 1 - (lt + gte);
        source = orig * source +
                lt * (start * 2 - source - ${d}) +
                gte * ((end - 1) * 2 - source + ${d});
        source -= start;
      `;h=`
        ${s} rc = outputLoc;
        ${p}
        result[0] = getChannel(getX(${l.join()}), ${c});
        ${i[r-1]} += 1;
        if(${u}) {
          ${p}
          result[1] = getChannel(getX(${l.join()}), ${c});
        }
        rc = outputLoc;
        ${i[r-2]} += 1;
        if(${i[r-2]} < ${this.outputShape[r-2]}) {
          ${p}
          result[2] = getChannel(getX(${l.join()}), ${c});
          ${i[r-1]} += 1;
          if(${u}) {
            ${p}
            result[3] = getChannel(getX(${l.join()}), ${c});
          }
        }
      `}this.userCode=`
      const ${s} start = ${s}(${a});
      const ${s} end = ${s}(${o});

      void main() {
        ${s} outputLoc = getOutputCoords();
        vec4 result = vec4(0.);
        ${h}
        setOutput(result);
      }
    `}},H1e=({inputs:e,backend:t,attrs:n})=>{let{x:r}=e,{paddings:s,mode:a}=n,o=re().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new U1e(r.shape,s,a):new V1e(r.shape,s,a);return t.runWebGLProgram(o,[r],r.dtype)},G1e={kernelName:bl,backendName:"webgl",kernelFunc:H1e},j1e=`if (b == 0.0) return NAN;
  return mod(a, b);`,q1e=`
  vec4 result = mod(a, b);
  vec4 isNaN = vec4(equal(b, vec4(0.0)));
  `+Lm+`
  return result;
`,K1e=Tn({opSnippet:j1e,packedOpSnippet:q1e}),X1e={kernelName:Uc,backendName:"webgl",kernelFunc:K1e},Z1e=class{constructor(e,t,n){this.variableNames=["probs"],this.customUniforms=[{name:"seed",type:"float"}],this.outputShape=[e,n],this.userCode=`
      void main() {
        ivec2 coords = getOutputCoords();
        int batch = coords[0];

        float r = random(seed);
        float cdf = 0.0;

        for (int i = 0; i < ${t-1}; i++) {
          cdf += getProbs(batch, i);

          if (r < cdf) {
            setOutput(float(i));
            return;
          }
        }

        // If no other event happened, last event happened.
        setOutput(float(${t-1}));
      }
    `}},Y1e=`
if (a == b) {
  return 1.0;
};
return a / b;`,J1e=`
  // vec4 one = vec4(equal(a, b));
  // return one + (vec4(1.0) - one) * a / b;
  vec4 result = a / b;
  if(a.x == b.x) {
    result.x = 1.;
  }
  if(a.y == b.y) {
    result.y = 1.;
  }
  if(a.z == b.z) {
    result.z = 1.;
  }
  if(a.w == b.w) {
    result.w = 1.;
  }

  return result;
`,qE=Tn({opSnippet:Y1e,packedOpSnippet:J1e,checkOutOfBounds:!0}),Q1e={kernelName:ol,backendName:"webgl",kernelFunc:qE},KE="return a - b;",XE=Tn({opSnippet:KE,packedOpSnippet:KE,supportsComplex:!0,cpuKernelImpl:Zpe}),eye={kernelName:zo,backendName:"webgl",kernelFunc:XE};function ZE(e){let{inputs:t,backend:n,attrs:r}=e,{logits:s}=t,{dim:a}=r,o=k.parseAxisParam([a],s.shape),i=jE({inputs:{x:s},backend:n,attrs:{reductionIndices:o,keepDims:!1}}),l=_.expandShapeToKeepDim(i.shape,o),u=ve({inputs:{x:i},backend:n,attrs:{shape:l}}),c=XE({inputs:{a:s,b:u},backend:n}),d=BE({inputs:{x:c},backend:n}),h=Vm({inputs:{x:d},backend:n,attrs:{axis:o,keepDims:!1}}),p=ve({inputs:{x:h},backend:n,attrs:{shape:l}}),f=qE({inputs:{a:d,b:p},backend:n});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(u),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(p),f}var tye={kernelName:Ml,backendName:"webgl",kernelFunc:ZE};function nye(e){let{inputs:t,backend:n,attrs:r}=e,{logits:s}=t,{numSamples:a,seed:o,normalized:i}=r,l=i?s:ZE({inputs:{logits:s},backend:n,attrs:{dim:s.shape.length-1}}),u=l.shape[0],c=l.shape[1],d=new Z1e(u,c,a),h=[[o]],p=n.runWebGLProgram(d,[l],"int32",h);return i||n.disposeIntermediateTensorInfo(l),p}var rye={kernelName:W1,backendName:"webgl",kernelFunc:nye},YE="return -x;";function sye(e){let{inputs:t,backend:n}=e,{x:r}=t;if(n.shouldExecuteOnCPU([r])){let a=n.texData.get(r.dataId),[o,i]=zpe(a.values,r.shape,r.dtype);return n.makeTensorInfo(i,r.dtype,o)}let s;return re().getBool("WEBGL_PACK_UNARY_OPERATIONS")?s=new xu(r.shape,YE):s=new Qa(r.shape,YE),n.runWebGLProgram(s,[r],r.dtype)}var aye={kernelName:Hc,backendName:"webgl",kernelFunc:sye},oye=da.nonMaxSuppressionV3Impl;function iye(e){_.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:l}=r,u=n.readSync(s.dataId),c=n.readSync(a.dataId),{selectedIndices:d}=oye(u,c,o,i,l);return n.makeTensorInfo([d.length],"int32",new Int32Array(d))}var lye={kernelName:Gc,backendName:"webgl",kernelFunc:iye},uye=da.nonMaxSuppressionV4Impl;function cye(e){_.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:l,padToMaxOutputSize:u}=r,c=n.readSync(s.dataId),d=n.readSync(a.dataId),{selectedIndices:h,validOutputs:p}=uye(c,d,o,i,l,u);return[n.makeTensorInfo([h.length],"int32",new Int32Array(h)),n.makeTensorInfo([],"int32",new Int32Array([p]))]}var dye={kernelName:jc,backendName:"webgl",kernelFunc:cye},hye=da.nonMaxSuppressionV5Impl;function pye(e){_.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:r}=e,{boxes:s,scores:a}=t,{maxOutputSize:o,iouThreshold:i,scoreThreshold:l,softNmsSigma:u}=r,c=n.readSync(s.dataId),d=n.readSync(a.dataId),h=o,p=i,f=l,m=u,{selectedIndices:g,selectedScores:y}=hye(c,d,h,p,f,m);return[n.makeTensorInfo([g.length],"int32",new Int32Array(g)),n.makeTensorInfo([y.length],"float32",new Float32Array(y))]}var fye={kernelName:qc,backendName:"webgl",kernelFunc:pye},mye=class{constructor(e,t,n,r){this.variableNames=["indices"],this.outputShape=[e,t],this.userCode=`
      void main() {
        ivec2 coords = getOutputCoords();
        int index = round(getIndices(coords.x));
        setOutput(mix(float(${r}), float(${n}),
                      float(index == coords.y)));
      }
    `}},gye=e=>{let{inputs:t,backend:n,attrs:r}=e,{indices:s}=t,{depth:a,onValue:o,offValue:i}=r,l=k.sizeFromShape(s.shape),u=new mye(l,a,o,i),c=ve({inputs:{x:s},backend:n,attrs:{shape:[l]}}),d=n.runWebGLProgram(u,[c],s.dtype);n.disposeIntermediateTensorInfo(c);let h=[...s.shape,a],p=ve({inputs:{x:d},backend:n,attrs:{shape:h}});return n.disposeIntermediateTensorInfo(d),p},yye={kernelName:wl,backendName:"webgl",kernelFunc:gye};function Km(e){let{inputs:t,backend:n}=e,{x:r}=t;if(r.dtype==="complex64"){let s=hh({inputs:{input:r},backend:n}),a=Km({inputs:{x:s},backend:n}),o=jm({inputs:{input:r},backend:n}),i=Km({inputs:{x:o},backend:n}),l=eo({inputs:{real:a,imag:i},backend:n});return n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(i),l}else return qm({attrs:{shape:r.shape,dtype:r.dtype,value:r.dtype==="string"?"":0},backend:n})}var Aye={kernelName:hd,backendName:"webgl",kernelFunc:Km};function JE(e){let{inputs:t,backend:n}=e,{x:r}=t;if(r.dtype==="string")throw new Error("onesLike is not supported under string dtype");if(r.dtype==="complex64"){let s=hh({inputs:{input:r},backend:n}),a=JE({inputs:{x:s},backend:n}),o=jm({inputs:{input:r},backend:n}),i=Km({inputs:{x:o},backend:n}),l=eo({inputs:{real:a,imag:i},backend:n});return n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(i),l}else return qm({attrs:{shape:r.shape,dtype:r.dtype,value:1},backend:n})}var xye={kernelName:Kc,backendName:"webgl",kernelFunc:JE};function bye(e){let{inputs:t,backend:n,attrs:r}=e,{axis:s}=r;if(t.length===1)return tb({inputs:{input:t[0]},backend:n,attrs:{dim:s}});let a=t[0].shape,o=t[0].dtype;t.forEach(c=>{k.assertShapesMatch(a,c.shape,"All tensors passed to stack must have matching shapes"),k.assert(o===c.dtype,()=>"All tensors passed to stack must have matching dtypes")});let i=[],l=t.map(c=>{let d=tb({inputs:{input:c},backend:n,attrs:{dim:s}});return i.push(d),d}),u=$E({inputs:l,backend:n,attrs:{axis:s}});return i.forEach(c=>n.disposeIntermediateTensorInfo(c)),u}var vye={kernelName:Xc,backendName:"webgl",kernelFunc:bye},wye=class{constructor(e,t,n){this.variableNames=["x"],this.customUniforms=[{name:"value",type:"float"}],this.outputShape=t.map((l,u)=>l[0]+e[u]+l[1]);let r=e.length,s=wt(r),a=t.map(l=>l[0]).join(","),o=t.map((l,u)=>l[0]+e[u]).join(","),i=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r);if(r===1){this.userCode=`
        int start = ${a};
        int end = ${o};

        void main() {
          int outC = getOutputCoords();
          if (outC < start || outC >= end) {
            setOutput(value);
          } else {
            setOutput(getX(outC - start));
          }
        }
      `;return}this.userCode=`
      ${s} start = ${s}(${a});
      ${s} end = ${s}(${o});

      void main() {
        ${s} outC = getOutputCoords();
        if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {
          setOutput(value);
        } else {
          ${s} coords = outC - start;
          setOutput(getX(${i}));
        }
      }
    `}},kye=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"value",type:"float"}],this.outputShape=t.map((f,m)=>f[0]+e[m]+f[1]);let r=e.length,s=wt(r),a=t.map(f=>f[0]).join(","),o=t.map((f,m)=>f[0]+e[m]).join(","),i=Vn("rc",r),l=Vn("source",r),u=`${i[r-1]} < ${this.outputShape[r-1]}`,c=r===1?"source":`vec2(${l.slice(-2).join()})`,d=[`${s} rc = outputLoc;`,`${i[r-1]} += 1;
       if(${u}) {
      `,r===1?"":`}
       rc = outputLoc;
       ${i[r-2]} += 1;
       if(${i[r-2]} < ${this.outputShape[r-2]}) {`,r===1?"":`  ${i[r-1]} += 1;
         if(${u}) {`],h=r===1?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",p="";for(let f=0,m=r===1?2:4;f<m;f++)p+=`
        ${d[f]}
        if (${h}) {
          result[${f}] = float(value);
        } else {
          ${s} source = rc - start;
          result[${f}] = getChannel(getX(${l.join()}), ${c});
        }
      `;p+=r===1?"} ":"}}",this.userCode=`
      const ${s} start = ${s}(${a});
      const ${s} end = ${s}(${o});

      void main() {
        ${s} outputLoc = getOutputCoords();
        vec4 result = vec4(0.);
        ${p}
        setOutput(result);
      }
    `}},QE=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{paddings:a,constantValue:o}=r,i=re().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new kye(s.shape,a,o):new wye(s.shape,a,o),l=[[o]];return n.runWebGLProgram(i,[s],s.dtype,l)},Iye={kernelName:kl,backendName:"webgl",kernelFunc:QE},Sye=`
  if(a < 0.0 && floor(b) < b){
    return NAN;
  }
  if (b == 0.0) {
    return 1.0;
  }
  return (round(mod(b, 2.0)) != 1) ?
      pow(abs(a), b) : sign(a) * pow(abs(a), b);
`,Tye=`
  // isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.
  vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));
  vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);
  vec4 result = multiplier * pow(abs(a), b);

  // Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS
  bvec4 isExpZero = equal(b, vec4(0.0));
  result.r = isExpZero.r ? 1.0 : result.r;
  result.g = isExpZero.g ? 1.0 : result.g;
  result.b = isExpZero.b ? 1.0 : result.b;
  result.a = isExpZero.a ? 1.0 : result.a;

  vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));
  `+Lm+`
  return result;
`,Nye=Tn({opSnippet:Sye,packedOpSnippet:Tye}),Cye={kernelName:Il,backendName:"webgl",kernelFunc:Nye};function Eye(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{axis:a,keepDims:o}=r,i=s.shape.length,l=[],u=k.parseAxisParam(a,s.shape),c=u,d=_.getAxesPermutation(c,i),h=s;d!=null&&(h=Un({inputs:{x:s},backend:n,attrs:{perm:d}}),c=_.getInnerMostAxes(c.length,i),l.push(h)),_.assertAxesAreInnerMostDims("prod",c,i);let p;if(n.shouldExecuteOnCPU([h])){let f=n.texData.get(h.dataId).values,{outVals:m,outShape:g,outDtype:y}=Bpe(h.shape,h.dtype,f,c);p=n.makeTensorInfo(g,y,m)}else{let[f,m]=_.computeOutAndReduceShapes(h.shape,c),g=k.sizeFromShape(m),y=ve({inputs:{x:h},backend:n,attrs:{shape:[-1,g]}}),A=cy(s.dtype),x=Ai(y,A,"prod",n);p=ve({inputs:{x},backend:n,attrs:{shape:f}}),l.push(y),l.push(x)}if(o){l.push(p);let f=_.expandShapeToKeepDim(p.shape,u);p=ve({inputs:{x:p},backend:n,attrs:{shape:f}})}return l.forEach(f=>n.disposeIntermediateTensorInfo(f)),p}var $ye={kernelName:Zc,backendName:"webgl",kernelFunc:Eye},e9=e=>{let{backend:t,attrs:n}=e,{start:r,stop:s,step:a,dtype:o}=n,i=Wpe(r,s,a,o);return t.makeTensorInfo([i.length],o,i)},Rye={kernelName:rf,backendName:"webgl",kernelFunc:e9},_ye="return 1.0 / x;",Dye=it({opSnippet:_ye}),Fye={kernelName:Yc,backendName:"webgl",kernelFunc:Dye},Mye=gs+`
  return (x < 0.0) ? 0.0 : x;
`,Oye=`
  vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));
  bvec4 isNaN = isnan(x);

  result.r = isNaN.r ? x.r : result.r;
  result.g = isNaN.g ? x.g : result.g;
  result.b = isNaN.b ? x.b : result.b;
  result.a = isNaN.a ? x.a : result.a;

  return result;
`,Pye=it({opSnippet:Mye,packedOpSnippet:Oye}),zye={kernelName:Tl,backendName:"webgl",kernelFunc:Pye},Lye=gs+`
  return (x < 0.0) ? 0.0 : min(6.0, x);
`,Bye=`
  vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));
  bvec4 isNaN = isnan(x);

  result.r = isNaN.r ? x.r : result.r;
  result.g = isNaN.g ? x.g : result.g;
  result.b = isNaN.b ? x.b : result.b;
  result.a = isNaN.a ? x.a : result.a;

  return result;
`,Wye=it({opSnippet:Lye,packedOpSnippet:Bye}),Vye={kernelName:Cl,backendName:"webgl",kernelFunc:Wye},Uye=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.outputShape=[];let[a,o,i,l]=e;this.outputShape=[a,t,n,l];let u=[r&&t>1?o-1:o,r&&n>1?i-1:i],c=[r&&t>1?t-1:t,r&&n>1?n-1:n],d;s?d="(vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC - vec2(0.5)":d="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
      const vec2 effectiveInputOverOutputRatioRC = vec2(
          ${u[0]/c[0]},
          ${u[1]/c[1]});
      const vec2 inputShapeRC = vec2(${o}.0, ${i}.0);

      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];
        ivec2 yRC = coords.yz;

        // Fractional source index.
        vec2 sourceFracIndexRC = ${d};

        // Compute the four integer indices.
        ivec2 sourceFloorRC = ivec2(max(sourceFracIndexRC, vec2(0.0)));
        ivec2 sourceCeilRC = ivec2(
          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));

        float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);
        float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);
        float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);
        float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);

        vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);

        float top = topLeft + (topRight - topLeft) * fracRC.y;
        float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;
        float newValue = top + (bottom - top) * fracRC.x;

        setOutput(newValue);
      }
    `}},Hye=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[a,o,i,l]=e;this.outputShape=[a,t,n,l];let u=[r&&t>1?o-1:o,r&&n>1?i-1:i],c=[r&&t>1?t-1:t,r&&n>1?n-1:n],d;s?d="(vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC - vec3(0.5)":d="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
      const vec3 effectiveInputOverOutputRatioRC = vec3(
          ${u[0]/c[0]},
          ${u[1]/c[1]},
          ${u[1]/c[1]});
      const vec3 inputShapeRC = vec3(${o}.0, ${i}.0,
                                     ${i}.0);

      float getAValue(int b, int r, int c, int d) {
        return getChannel(getA(b, r, c, d), vec2(c, d));
      }

      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];
        // Calculate values for next column in yRC.z.
        ivec3 yRC = coords.yzz + ivec3(0, 0, 1);

        // Fractional source index.
        vec3 sourceFracIndexRC = ${d};

        // Compute the four integer indices.
        ivec3 sourceFloorRC = ivec3(max(sourceFracIndexRC, vec3(0.0)));
        ivec3 sourceCeilRC = ivec3(
          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));

        // Should we calculate next column and row elements in 2x2 packed cell.
        bool hasNextCol = d < ${l-1};
        bool hasNextRow = coords.z < ${n-1};

        // In parallel, construct four corners for all four components in
        // packed 2x2 cell.
        vec4 topLeft = vec4(
          getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),
          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)
                     : 0.0,
          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)
                     : 0.0,
          (hasNextRow && hasNextCol) ?
            getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);

        vec4 bottomLeft = vec4(
          getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),
          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)
                     : 0.0,
          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)
                     : 0.0,
          (hasNextRow && hasNextCol) ?
            getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);

        vec4 topRight = vec4(
          getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),
          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)
                     : 0.0,
          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)
                     : 0.0,
          (hasNextRow && hasNextCol) ?
            getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);

        vec4 bottomRight = vec4(
          getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),
          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)
                     : 0.0,
          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)
                     : 0.0,
          (hasNextRow && hasNextCol) ?
            getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);

        vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);

        vec4 top = mix(topLeft, topRight, fracRC.yyzz);
        vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);
        vec4 newValue = mix(top, bottom, fracRC.x);

        setOutput(newValue);
      }
    `}};function Gye(e){let{inputs:t,backend:n,attrs:r}=e,{images:s}=t,{alignCorners:a,halfPixelCenters:o,size:i}=r,[l,u]=i,c=re().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new Hye(s.shape,l,u,a,o):new Uye(s.shape,l,u,a,o);return n.runWebGLProgram(c,[s],"float32")}var jye={kernelName:Nl,backendName:"webgl",kernelFunc:Gye},qye=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,r,s]=t,[,a,o]=e,i=[n&&a>1?r-1:r,n&&o>1?s-1:s],l=[n&&a>1?a-1:a,n&&o>1?o-1:o],u=i[0]/l[0],c=i[1]/l[1],d=1/u,h=1/c,p=Math.ceil(d)*2+2,f=Math.ceil(h)*2+2;this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];
        int r = coords[1];
        int c = coords[2];

        float accumulator = 0.0;

        const float heightScale = float(${u});
        const float widthScale = float(${c});

        const float invHeightScale = float(${d});
        const float invWidthScale = float(${h});

        const int winHeight = int(${p});
        const int winWidth = int(${f});

        // Compute bounds for where in dy we will look
        float startRLerp = floor(float(r) * invHeightScale);
        int startDyR = int(startRLerp - float(winHeight / 2));

        float startCLerp = floor(float(c) * invWidthScale);
        int startDyC = int(startCLerp - float(winWidth / 2));

        // Loop over dy
        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {
          int dyR = dyROffset + startDyR;

          // Guard against the window exceeding the bounds of dy
          if (dyR < 0 || dyR >= ${a}) {
            continue;
          }

          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {
            int dyC = dyCOffset + startDyC;

            // Guard against the window exceeding the bounds of dy
            if (dyC < 0 || dyC >= ${o}) {
              continue;
            }

            float dxR = float(dyR) * heightScale;
            int topDxRIndex = int(floor(dxR));
            int bottomDxRIndex = int(min(ceil(dxR), ${r-1}.0));
            float dxRLerp = dxR - float(topDxRIndex);
            float inverseDxRLerp = 1.0 - dxRLerp;

            float dxC = float(dyC) * widthScale;
            int leftDxCIndex = int(floor(dxC));
            int rightDxCIndex = int(min(ceil(dxC), ${s-1}.0));
            float dxCLerp = dxC - float(leftDxCIndex);
            float inverseDxCLerp = 1.0 - dxCLerp;

            if (r == topDxRIndex && c == leftDxCIndex) {
              // topLeft
              accumulator +=
                getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;
            }

            if (r == topDxRIndex && c == rightDxCIndex) {
              // topRight
              accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;
            }

            if (r == bottomDxRIndex && c == leftDxCIndex) {
              // bottomLeft
              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;
            }

            if (r == bottomDxRIndex && c == rightDxCIndex) {
              // bottomRight
              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;
            }
          }
        }
        // End loop over dy

        setOutput(accumulator);
      }
    `}};function Kye(e){let{inputs:t,backend:n,attrs:r}=e,{images:s,dy:a}=t,{alignCorners:o}=r,i=new qye(a.shape,s.shape,o);return n.runWebGLProgram(i,[a],a.dtype)}var Xye={kernelName:H1,backendName:"webgl",kernelFunc:Kye},Zye=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.outputShape=[];let[a,o,i,l]=e;this.outputShape=[a,t,n,l];let u=[r&&t>1?o-1:o,r&&n>1?i-1:i],c=[r&&t>1?t-1:t,r&&n>1?n-1:n],d=r?"0.5":"0.0",h;s?h="max((vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC, vec2(0.0))":h="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
      const vec2 effectiveInputOverOutputRatioRC = vec2(
          ${u[0]/c[0]},
          ${u[1]/c[1]});
      const vec2 inputShapeRC = vec2(${o}.0, ${i}.0);

      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];
        ivec2 yRC = coords.yz;

        // Fractional source index.
        vec2 sourceFracIndexRC = ${h};

        // Compute the coordinators of nearest neighbor point.
        ivec2 sourceNearestRC = ivec2(
          min(inputShapeRC - 1.0, floor(sourceFracIndexRC + ${d})));
        float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);

        setOutput(newValue);
      }
    `}},Yye=class{constructor(e,t,n,r,s){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[a,o,i,l]=e;this.outputShape=[a,t,n,l];let u=[r&&t>1?o-1:o,r&&n>1?i-1:i],c=[r&&t>1?t-1:t,r&&n>1?n-1:n],d=r?"0.5":"0.0",h;s?h="max((vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC, vec3(0.0))":h="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
      const vec3 effectiveInputOverOutputRatioRC = vec3(
          ${u[0]/c[0]},
          ${u[1]/c[1]},
          ${u[1]/c[1]});
      const vec3 inputShapeRC = vec3(${o}.0, ${i}.0,
                                     ${i}.0);

      float getAValue(int b, int r, int c, int d) {
        return getChannel(getA(b, r, c, d), vec2(c, d));
      }

      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];
        // Calculate values for next column in yRC.z.
        ivec3 yRC = coords.yzz + ivec3(0, 0, 1);

        // Fractional source index.
        vec3 sourceFracIndexRC = ${h};

        // Compute the coordinators of nearest neighbor point.
        ivec3 sourceNearestRC = ivec3(
          min(inputShapeRC - 1.0, floor(sourceFracIndexRC + ${d})));

        // Should we calculate next column and row elements in 2x2 packed cell.
        bool hasNextCol = d < ${l-1};
        bool hasNextRow = coords.z < ${n-1};

        vec4 newValue = vec4(
          getAValue(b, sourceNearestRC.x, sourceNearestRC.y, d),
          hasNextCol ? getAValue(b, sourceNearestRC.x, sourceNearestRC.y, d + 1)
                     : 0.0,
          hasNextRow ? getAValue(b, sourceNearestRC.x, sourceNearestRC.z, d)
                     : 0.0,
          (hasNextRow && hasNextCol) ?
            getAValue(b, sourceNearestRC.x, sourceNearestRC.z, d + 1) : 0.0);

        setOutput(newValue);
      }
    `}};function Jye(e){let{inputs:t,backend:n,attrs:r}=e,{images:s}=t,{alignCorners:a,halfPixelCenters:o,size:i}=r,[l,u]=i,c=re().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new Yye(s.shape,l,u,a,o):new Zye(s.shape,l,u,a,o);return n.runWebGLProgram(c,[s],s.dtype)}var Qye={kernelName:sf,backendName:"webgl",kernelFunc:Jye},eAe=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,r,s]=t,[,a,o]=e,i=[n&&a>1?r-1:r,n&&o>1?s-1:s],l=[n&&a>1?a-1:a,n&&o>1?o-1:o],u=i[0]/l[0],c=i[1]/l[1],d=1/u,h=1/c,p=Math.ceil(d)*2+2,f=Math.ceil(h)*2+2;this.userCode=`
      void main() {
        ivec4 coords = getOutputCoords();
        int b = coords[0];
        int d = coords[3];
        int r = coords[1];
        int c = coords[2];

        float accumulator = 0.0;

        const float heightScale = float(${u});
        const float widthScale = float(${c});

        const float invHeightScale = float(${d});
        const float invWidthScale = float(${h});

        const int winHeight = int(${p});
        const int winWidth = int(${f});

        // Compute bounds for where in dy we will look
        float startRLerp = floor(float(r) * invHeightScale);
        int startDyR = int(floor(startRLerp - float(winHeight / 2)));

        float startCLerp = floor(float(c) * invWidthScale);
        int startDyC = int(floor(startCLerp - float(winWidth / 2)));

        // Loop over dy
        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {
          int dyR = dyROffset + startDyR;

          // Guard against the window exceeding the bounds of dy
          if (dyR < 0 || dyR >= ${a}) {
            continue;
          }

          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {
            int dyC = dyCOffset + startDyC;

            // Guard against the window exceeding the bounds of dy
            if (dyC < 0 || dyC >= ${o}) {
              continue;
            }

            float sourceFracRow =
              float(${i[0]}) *
                (float(dyR) / float(${l[0]}));

            float sourceFracCol =
                float(${i[1]}) *
                  (float(dyC) / float(${l[1]}));

            int sourceNearestRow = int(min(
                float(int(${r}) - 1),
                ${n} ? float(round(sourceFracRow)) :
                                  float(floor(sourceFracRow))));

            int sourceNearestCol = int(min(
                float(int(${s}) - 1),
                ${n} ? float(round(sourceFracCol)) :
                                  float(floor(sourceFracCol))));

            if (r == sourceNearestRow && c == sourceNearestCol) {
              accumulator += getDy(b, dyR, dyC, d);
            }
          }
        }
        // End loop over dy

        setOutput(accumulator);
      }
    `}};function tAe(e){let{inputs:t,backend:n,attrs:r}=e,{images:s,dy:a}=t,{alignCorners:o}=r,i=new eAe(a.shape,s.shape,o);return n.runWebGLProgram(i,[a],a.dtype)}var nAe={kernelName:U1,backendName:"webgl",kernelFunc:tAe},rAe=class{constructor(e,t){this.variableNames=["x"];let n=e.length;if(n>4)throw new Error(`WebGL backend: Reverse of rank-${n} tensor is not yet supported`);if(this.outputShape=e,n===1){this.userCode=`
        void main() {
          int coord = getOutputCoords();
          setOutput(getX(${e[0]} - coord - 1));
        }
      `;return}let r=o=>t.indexOf(o)!==-1&&e[o]!==1?`${e[o]} - coords[${o}] - 1`:`coords[${o}]`,s=e.map((o,i)=>r(i)).join(","),a=wt(n);this.userCode=`
      void main() {
        ${a} coords = getOutputCoords();
        setOutput(getX(${s}));
      }
    `}},sAe=class{constructor(e,t){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;let n=e.length;if(n>4)throw new Error(`WebGL backend: Reverse of rank-${n} tensor is not yet supported`);this.outputShape=e;let r=Vn("rc",n),s=`${r[n-1]} + 1 < ${this.outputShape[n-1]}`,a=`${r[n-2]} + 1 < ${this.outputShape[n-2]}`,o=wt(n);n===1?this.userCode=`
        void main(){
          int rc = getOutputCoords();
          vec4 result = vec4(0.);
          result.r = getChannel(getX(${e[0]} - rc - 1),
            ${e[0]} - rc - 1);
          if(${s}){
              result.g = getChannel(getX(${e[0]} - (rc  + 1) - 1),
                ${e[0]} - (rc  + 1) - 1);
          }
          setOutput(result);
        }
      `:this.userCode=`
        void main() {
          ${o} rc = getOutputCoords();
          vec4 result = vec4(0.);
          result.r = ${i(r.slice())};
          if(${s}){
            result.g = ${l(r.slice())};
          }
          if(${a}) {
            result.b = ${u(r.slice())};
            if(${s}) {
              result.a = ${c(r.slice())};
            }
          }
          setOutput(result);
        }
    `;function i(p){return d(p)}function l(p){return p[n-1]="("+p[n-1]+" + 1)",d(p)}function u(p){return p[n-2]="("+p[n-2]+" + 1)",d(p)}function c(p){return p[n-1]="("+p[n-1]+" + 1)",p[n-2]="("+p[n-2]+" + 1)",d(p)}function d(p){let f=e.map((y,A)=>h(A,p)),m=f.join(","),g=f.slice(-2).join(",");return`getChannel(getX(${m}), vec2(${g}))`}function h(p,f){return t.indexOf(p)!==-1&&e[p]!==1?`${e[p]} - ${f[p]} - 1`:`${f[p]}`}}};function aAe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{dims:a}=r,o=s.shape.length,i=k.parseAxisParam(a,s.shape);if(o===0)return fr({inputs:{x:s},backend:n});let l=re().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new sAe(s.shape,i):new rAe(s.shape,i);return n.runWebGLProgram(l,[s],s.dtype)}var oAe={kernelName:El,backendName:"webgl",kernelFunc:aAe},iAe=class{constructor(e,t){this.variableNames=["Image"],this.outputShape=[],this.customUniforms=[{name:"params",type:"vec4"}];let n=e[1],r=e[2];this.outputShape=e;let s="";typeof t=="number"?s=`float outputValue = ${t.toFixed(2)};`:s=`
        vec3 fill = vec3(${t.join(",")});
        float outputValue = fill[coords[3]];`,this.userCode=`
        void main() {
          ivec4 coords = getOutputCoords();
          int x = coords[2];
          int y = coords[1];
          float coordXFloat = (float(x) - params[0]) * params[3] -
            (float(y) - params[1]) * params[2];
          float coordYFloat = (float(x) - params[0]) * params[2] +
            (float(y) - params[1]) * params[3];
          int coordX = int(round(coordXFloat + params[0]));
          int coordY = int(round(coordYFloat + params[1]));
          ${s}
          if(coordX >= 0 && coordX < ${r} && coordY >= 0 && coordY < ${n}) {
            outputValue = getImage(coords[0], coordY, coordX, coords[3]);
          }
          setOutput(outputValue);
        }
    `}},lAe={kernelName:pd,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{image:r}=e,{radians:s,fillValue:a,center:o}=t,i=n,l=new iAe(r.shape,a),[u,c]=_.getImageCenter(o,r.shape[1],r.shape[2]),d=[[u,c,Math.sin(s),Math.cos(s)]];return i.runWebGLProgram(l,[r],r.dtype,d)}},uAe=`
  // OpenGL ES does not support round function.
  // The algorithm is based on banker's rounding.
  float base = floor(x);
  if ((x - base) < 0.5) {
    return floor(x);
  } else if ((x - base) > 0.5) {
    return ceil(x);
  } else {
    if (mod(base, 2.0) == 0.0) {
      return base;
    } else {
      return base + 1.0;
    }
  }
`,cAe=it({opSnippet:uAe}),dAe={kernelName:$l,backendName:"webgl",kernelFunc:cAe},hAe="return inversesqrt(x);",pAe=it({opSnippet:hAe,cpuKernelImpl:Vpe}),fAe={kernelName:Oo,backendName:"webgl",kernelFunc:pAe},t9=class{constructor(e,t,n,r,s,a,o=!0){this.variableNames=["updates","indices","defaultValue"],this.outputShape=a;let i=wt(s.length),l=wt(a.length),u="";n===1?u="i":n===2&&(u="i, j");let c=`getIndices(${u})`,d="";r===1?d="i":r===2&&(d="i, coords[1]");let h=`getUpdates(${d})`,p=t>1?"strides[j]":"strides";this.userCode=`
        ${i} strides = ${i}(${s});

        void main() {
          ${l} coords = getOutputCoords();
          float sum = 0.0;
          bool found = false;
          for (int i = 0; i < ${e}; i++) {
            int flattenedIndex = 0;
            for (int j = 0; j < ${t}; j++) {
              int index = round(${c});
              flattenedIndex += index * ${p};
            }
            if (flattenedIndex == coords[0]) {
              sum += ${h};
              found = true;
            }
          }
          setOutput(mix(getDefaultValue(), sum, float(found)));
        }
      `}};function mAe(e){let{inputs:t,backend:n,attrs:r}=e,{indices:s,updates:a}=t,{shape:o}=r,{sliceRank:i,numUpdates:l,sliceSize:u,strides:c,outputSize:d}=_.calculateShapes(a,s,o),h=[d/u,u];if(d===0)return n.makeTensorInfo(o,s.dtype);let p=ve({inputs:{x:s},backend:n,attrs:{shape:[l,i]}}),f=ve({inputs:{x:a},backend:n,attrs:{shape:[l,u]}}),m=n.makeTensorInfo([],"float32",new Float32Array([0])),g=new t9(l,i,p.shape.length,f.shape.length,c,h),y=n.runWebGLProgram(g,[f,p,m],f.dtype),A=ve({inputs:{x:y},backend:n,attrs:{shape:o}});return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(m),A}var gAe={kernelName:Qc,backendName:"webgl",kernelFunc:mAe},yAe=class{constructor(e,t,n){this.variableNames=["c","a","b"],this.outputShape=t;let r,s;if(n>4)throw Error(`Where for rank ${n} is not yet supported`);if(n===1)s="resRC",r="resRC";else{let o=["resRC.x","resRC.y","resRC.z","resRC.w"],i=[],l=[];for(let u=0;u<t.length;u++)l.push(`${o[u]}`),u<e&&i.push(`${o[u]}`);r=i.join(),s=l.join()}let a=wt(n);this.userCode=`
      void main() {
        ${a} resRC = getOutputCoords();
        float cVal = getC(${r});
        if (cVal >= 1.0) {
          setOutput(getA(${s}));
        } else {
          setOutput(getB(${s}));
        }
      }
    `}};function AAe(e){let{inputs:t,backend:n}=e,{condition:r,t:s,e:a}=t,o=new yAe(r.shape.length,s.shape,s.shape.length);return n.runWebGLProgram(o,[r,s,a],Ur(s.dtype,a.dtype))}var xAe={kernelName:ed,backendName:"webgl",kernelFunc:AAe},bAe=`
  // Stable and Attracting Fixed Point (0, 1) for Normalized Weights.
  // see: https://arxiv.org/abs/1706.02515
  float scaleAlpha = ${_.SELU_SCALEALPHA};
  float scale = ${_.SELU_SCALE};
  return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);
`,vAe=it({opSnippet:bAe}),wAe={kernelName:td,backendName:"webgl",kernelFunc:vAe},kAe="return 1.0 / (1.0 + exp(-1.0 * x));",IAe=it({opSnippet:kAe}),SAe={kernelName:_l,backendName:"webgl",kernelFunc:IAe},TAe=`
  if (isnan(x)) { return 0.0; }
  return sign(x);
`,NAe=it({opSnippet:TAe}),CAe={kernelName:sd,backendName:"webgl",kernelFunc:NAe},EAe=mE+`
  return sin(x);
`,$Ae=it({opSnippet:EAe}),RAe={kernelName:Rl,backendName:"webgl",kernelFunc:$Ae},_Ae=`
  float e2x = exp(x);
  return (e2x - 1.0 / e2x) / 2.0;
`,DAe=it({opSnippet:_Ae}),FAe={kernelName:rd,backendName:"webgl",kernelFunc:DAe},MAe=`
  float epsilon = 1.1920928955078125e-7;
  float threshold = log(epsilon) + 2.0;

  bool too_large = x > -threshold;
  bool too_small = x < threshold;

  float result;
  float exp_x = exp(x);

  if (too_large){
    result = x;
  }
  else if (too_small){
    result = exp_x;
  }
  else{
    result = log(exp_x + 1.0);
  }
  return result;
`,OAe=it({opSnippet:MAe}),PAe={kernelName:ad,backendName:"webgl",kernelFunc:OAe},zAe=e=>{let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockShape:a,paddings:o}=r;k.assert(s.shape.length<=4,()=>"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet");let i=a.reduce((y,A)=>y*A),l=[[0,0]];l.push(...o);for(let y=1+a.length;y<s.shape.length;++y)l.push([0,0]);let u=[],c=QE({inputs:{x:s},backend:n,attrs:{paddings:l,constantValue:0}}),d=_.getReshaped(c.shape,a,i,!1),h=_.getPermuted(d.length,a.length,!1),p=_.getReshapedPermuted(c.shape,a,i,!1),f=ve({inputs:{x:c},backend:n,attrs:{shape:d}}),m=Un({inputs:{x:f},backend:n,attrs:{perm:h}}),g=ve({inputs:{x:m},backend:n,attrs:{shape:p}});return u.push(c),u.push(f),u.push(m),u.forEach(y=>n.disposeIntermediateTensorInfo(y)),g},LAe={kernelName:od,backendName:"webgl",kernelFunc:zAe};function BAe(e){let{inputs:t,backend:n}=e,{indices:r,values:s,denseShape:a,defaultValue:o}=t;if(a.shape.length!==1)throw new Error(`Dense shape must be a vector, saw:
         ${a.shape}`);if(r.shape.length!==2)throw new Error(`Indices must be a matrix, saw:
         ${r.shape}`);if(s.shape.length!==1)throw new Error(`Values must be a vector, saw:
         ${s.shape}`);if(o.shape.length!==0)throw new Error(`Default value must be a scalar, saw:
        ${o.shape}`);let i=n.readSync(r.dataId),l=n.readSync(s.dataId),u=n.readSync(a.dataId),c=n.readSync(o.dataId)[0],[d,h,p,f,m]=Hpe(i,r.shape,r.dtype,l,s.dtype,u,c);return[n.makeTensorInfo(h,r.dtype,d),n.makeTensorInfo([h[0]],s.dtype,p),n.makeTensorInfo([f.length],"bool",new Uint8Array(f.map(g=>Number(g)))),n.makeTensorInfo([m.length],r.dtype,new Int32Array(m))]}var WAe={kernelName:G1,backendName:"webgl",kernelFunc:BAe};function VAe(e){let{inputs:t,backend:n}=e,{inputIndices:r,inputShape:s,newShape:a}=t;if(r.shape.length!==2)throw new Error(`Input indices should be a matrix but received shape ${r.shape}`);if(s.shape.length!==1)throw new Error(`Input shape should be a vector but received shape ${s.shape}`);if(a.shape.length!==1)throw new Error(`Target shape should be a vector but received shape ${a.shape}`);let o=Array.from(n.readSync(s.dataId)),i=n.readSync(r.dataId),l=Array.from(n.readSync(a.dataId)),[u,c,d]=Gpe(i,r.shape,r.dtype,o,l);return[n.makeTensorInfo(c,r.dtype,u),n.makeTensorInfo([d.length],a.dtype,new Int32Array(d))]}var UAe={kernelName:j1,backendName:"webgl",kernelFunc:VAe};function HAe(e){let{inputs:t,backend:n}=e,{data:r,indices:s,segmentIds:a}=t;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(s.shape.length!==1)throw new Error(`Indices should be a vector but received shape
              ${s.shape}`);if(a.shape.length!==1)throw new Error(`Segment ids should be a vector but received shape
              ${a.shape}`);let o=n.readSync(r.dataId),i=n.readSync(s.dataId),l=n.readSync(a.dataId),[u,c]=tE(o,r.shape,r.dtype,i,l,!0);return n.makeTensorInfo(c,r.dtype,u)}var GAe={kernelName:q1,backendName:"webgl",kernelFunc:HAe};function jAe(e){let{inputs:t,backend:n}=e,{data:r,indices:s,segmentIds:a}=t;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(s.shape.length!==1)throw new Error(`Indices should be a vector but received shape
             ${s.shape}`);if(a.shape.length!==1)throw new Error(`Segment ids should be a vector but received shape
             ${a.shape}`);let o=n.readSync(r.dataId),i=n.readSync(s.dataId),l=n.readSync(a.dataId),[u,c]=tE(o,r.shape,r.dtype,i,l);return n.makeTensorInfo(c,r.dtype,u)}var qAe={kernelName:K1,backendName:"webgl",kernelFunc:jAe};function KAe(e){let{inputs:t,backend:n,attrs:r}=e,{sparseIndices:s,sparseValues:a,defaultValue:o}=t,{outputShape:i}=r,{sliceRank:l,numUpdates:u,strides:c,outputSize:d}=_.calculateShapes(a,s,i),h=!1,p=new t9(u,l,s.shape.length,a.shape.length,c,[d,1],h),f=n.runWebGLProgram(p,[a,s,o],a.dtype),m=ve({inputs:{x:f},backend:n,attrs:{shape:i}});return n.disposeIntermediateTensorInfo(f),m}var XAe={kernelName:X1,backendName:"webgl",kernelFunc:KAe};function ZAe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{numOrSizeSplits:a,axis:o}=r,i=k.parseAxisParam(o,s.shape)[0],l=_.prepareSplitSize(s,a,i),u=s.shape.length,c=new Array(u).fill(0),d=s.shape.slice();return l.map(h=>{let p=[...d];p[i]=h;let f=vu({inputs:{x:s},backend:n,attrs:{begin:c,size:p}});return c[i]+=h,f})}var YAe={kernelName:id,backendName:"webgl",kernelFunc:ZAe},JAe="return sqrt(x);",QAe=it({opSnippet:JAe}),exe={kernelName:Dl,backendName:"webgl",kernelFunc:QAe},txe="return x * x;",nxe=it({opSnippet:txe}),rxe={kernelName:af,backendName:"webgl",kernelFunc:nxe},n9="return (a - b) * (a - b);",sxe=Tn({opSnippet:n9,packedOpSnippet:n9}),axe={kernelName:Po,backendName:"webgl",kernelFunc:sxe};function oxe({inputs:e,attrs:t,backend:n}){let{x:r}=e,s=gs+`
    return x > 0.0 ? 1.0 : float(${t.alpha});
  `,a=new Qa(r.shape,s);return n.runWebGLProgram(a,[r],r.dtype)}var ixe={kernelName:Bo,backendName:"webgl",kernelFunc:oxe},lxe=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=n;let r=n.length,s=wt(n.length),a=wt(n.length),o="";if(r===1)o="coords * strides + begin";else{let i=0;o=n.map((l,u)=>(i++,n.length===1?`coords * strides[${u}] + begin[${u}]`:`coords[${i-1}] * strides[${u}] + begin[${u}]`)).join(",")}this.userCode=`
      ${s} begin = ${s}(${e});
      ${s} strides = ${s}(${t});

      void main() {
        ${a} coords = getOutputCoords();
        setOutput(getX(${o}));
      }
    `}};function uxe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{begin:a,end:o,strides:i,beginMask:l,endMask:u,ellipsisMask:c,newAxisMask:d,shrinkAxisMask:h}=r,{nonStrided:p,$begin:f,$strides:m,size:g,newShape:y,outShape:A}=Cn.sliceInfo(s.shape,a,o,i,l,u,c,d,h),x=ve({inputs:{x:s},backend:n,attrs:{shape:y}}),b;if(p){let I=vu({inputs:{x},backend:n,attrs:{begin:f,size:g}});b=ve({inputs:{x:I},backend:n,attrs:{shape:A}}),n.disposeIntermediateTensorInfo(I)}else if(A.some(I=>I===0))b=n.makeTensorInfo(A,s.dtype,[]);else if(n.shouldExecuteOnCPU([x])){let S=n.texData.get(x.dataId).values,E=ze(x.shape,x.dtype,S),D=jpe(A,E,m,f);b=n.makeTensorInfo(A,x.dtype,D.values)}else{let w=new lxe(f,m,A);b=n.runWebGLProgram(w,[x],x.dtype)}let v=ve({inputs:{x:b},backend:n,attrs:{shape:A}});return n.disposeIntermediateTensorInfo(x),n.disposeIntermediateTensorInfo(b),v}var cxe={kernelName:ld,backendName:"webgl",kernelFunc:uxe};function dxe(e){let{inputs:t,backend:n,attrs:r}=e,{separator:s,nGramWidths:a,leftPad:o,rightPad:i,padWidth:l,preserveShortSequences:u}=r,{data:c,dataSplits:d}=t,h=n.readSync(c.dataId),p=n.readSync(d.dataId),[f,m]=qpe(h,p,s,a,o,i,l,u);return[n.makeTensorInfo([f.length],"string",f),n.makeTensorInfo(d.shape,"int32",m)]}var hxe={kernelName:Z1,backendName:"webgl",kernelFunc:dxe};function pxe(e){let{inputs:t,backend:n,attrs:r}=e,{skipEmpty:s}=r,{input:a,delimiter:o}=t;if(a.dtype!=="string")throw new Error("Input must be of datatype string");if(a.shape.length!==1)throw new Error(`Input must be a vector, got shape: ${a.shape}`);if(o.shape.length!==0)throw new Error(`Delimiter must be a scalar, got shape: ${o.shape}`);let i=n.readSync(a.dataId),l=n.readSync(o.dataId)[0],[u,c,d]=Kpe(i,l,s),h=c.length;return[n.makeTensorInfo([h,2],"int32",u),n.makeTensorInfo([h],"string",c),n.makeTensorInfo([2],"int32",new Int32Array(d))]}var fxe={kernelName:Y1,backendName:"webgl",kernelFunc:pxe};function mxe(e){let{inputs:t,backend:n,attrs:r}=e,{numBuckets:s}=r,{input:a}=t;if(a.dtype!=="string")throw new Error("Input must be of datatype string");if(s<=0)throw new Error("Number of buckets must be at least 1");let o=n.readSync(a.dataId),i=Xpe(o,s);return n.makeTensorInfo(a.shape,"int32",i)}var gxe={kernelName:J1,backendName:"webgl",kernelFunc:mxe},yxe="return tan(x);",Axe=it({opSnippet:yxe}),xxe={kernelName:Ol,backendName:"webgl",kernelFunc:Axe},bxe=`
  float e2x = exp(-2.0 * abs(x));
  return sign(x) * (1.0 - e2x) / (1.0 + e2x);
`,vxe=it({opSnippet:bxe}),wxe={kernelName:Pl,backendName:"webgl",kernelFunc:vxe},kxe=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let a=0;a<n.length;a++)n[a]=e[a]*t[a];this.outputShape=n,this.rank=n.length;let r=wt(this.rank),s=Ixe(e);this.userCode=`
      void main() {
        ${r} resRC = getOutputCoords();
        setOutput(getA(${s}));
      }
    `}};function Ixe(e){let t=e.length;if(t>5)throw Error(`Tile for rank ${t} is not yet supported`);if(t===1)return`imod(resRC, ${e[0]})`;let n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],r=[];for(let s=0;s<e.length;s++)r.push(`imod(${n[s]}, ${e[s]})`);return r.join()}function r9(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{reps:a}=r;if(s.dtype==="string"||s.shape.length>5){let l=n.readSync(s.dataId),u=s.dtype==="string"?l.map(h=>k.decodeString(h)):l,c=ze(s.shape,s.dtype,u),d=Ype(c,a);return n.makeTensorInfo(d.shape,d.dtype,d.values)}let o=new kxe(s.shape,a);return n.runWebGLProgram(o,[s],s.dtype)}var Sxe={kernelName:Lo,backendName:"webgl",kernelFunc:r9},Txe=class{constructor(e){this.variableNames=["x","indices"],this.customUniforms=[{name:"n",type:"int"},{name:"firstPass",type:"int"},{name:"negativeInf",type:"float"},{name:"dir",type:"int"},{name:"inc",type:"int"}],this.outputShape=e,this.userCode=`
       void main() {
         ivec2 coords = getOutputCoords();
         int batch = coords[0];
         int elemIdx = coords[1];

         // We compare elements pair-wise within a group of size 2 * inc.
         // The comparing rule for each group alternates between ascending
         // and descending. Within each group, we compare each pair at
         // positions i and i+inc. To decide whether an element at position i
         // is x0 or x1, we mod it by 2 * inc, if the result is smaller than
         // inc, it is in the first half of the group, we denote it as x0,
         // otherwise we denote it as x1.
         // For example, as shown in the Bitonic top K paper referenced above,
         // Figure5(a) shows that element[1] is in the
         // second half of the group when group size is 2, but it is in the
         // first half of the group when group size is 4.

         bool isFirstInPair = imod(elemIdx, 2 * inc) < inc;
         int i = isFirstInPair ? elemIdx : elemIdx - inc;

         int i0 = firstPass == 1 ? i : int(getIndices(batch, i));
         int i1 = firstPass == 1 ? i + inc : int(getIndices(batch, i + inc));
         float x0 = i0 < n ? getX(batch, i0) : negativeInf;
         float x1 = i1 < n ? getX(batch, i1) : negativeInf;

         // Denotes which direction indices are in (ascending or descending).
         bool reverse = imod(elemIdx, 2 * dir) >= dir;
         bool isGreater = x0 > x1 || (x0 == x1 && i1 > i0);
         if (reverse == isGreater) { // Elements in opposite order of direction
           int iTemp = i0;
           i0 = i1;
           i1 = iTemp;
         }
         if (isFirstInPair) {
            setOutput(float(i0));
         } else {
            setOutput(float(i1));
         }
       }
     `}},Nxe=class{constructor(e){this.variableNames=["x","indices"],this.customUniforms=[{name:"n",type:"int"},{name:"firstPass",type:"int"},{name:"k",type:"int"}],this.outputShape=e,this.userCode=`
    void main() {
         // Takes max of indices (0, k), (1, k + 1), (2, k + 2) ...
         ivec2 coords = getOutputCoords();
         int batch = coords[0];
         int elemIdx = coords[1];

         // The output size is half of the previous size.
         // If the previous sequence is | | | | _ _ _ _  | | | |  _ _ _ _ (k=4),
         // we only need to output the indices at positions |, the indices at
         // positions _ can be thrown away, see Figure5(b) After Phase 2
         // (Merge phase) in the Bitonic Top K paper referenced above.
         // For example, the paper shows we only need to output the orange bars.
         // The output sequence should look like this | | | | | | | |.
         // Because the sequence is halved, to map the output index back
         // to the previous sequence to find the corresponding value,
         // we need to double the index. When we double the index,
         // we basically interpolate a position, so 2i looks like
         // | _ | _ | _ | _ | _ | _ | _. We move the | to the first k position
         // of each 2k positions by - elemIdx % k. E.g. for output at
         // index 4,5,6,7, we want to get the corresponding element at
         // original index 8,9,10,11, for output at index 8,9,10,11,
         // we want to get the corresponding element at original index
         // 16,17,18,19, so on and so forth.

         int i = elemIdx < k ? elemIdx : (elemIdx * 2 - imod(elemIdx, k));
         int i0 = firstPass == 1 ? i : int(getIndices(batch, i));
         int i1 = firstPass == 1 ? i + k : int(getIndices(batch, i + k));

         float x0 = getX(batch, i0);
         float x1 = i1 < n ? getX(batch, i1) : x0;

         setOutput(x0 >= x1 ? float(i0) : float(i1));
       }
     `}};function xi(e,t){t!==null&&e.disposeIntermediateTensorInfo(t)}function s9(e){let t=1;for(;t<e;)t*=2;return t}function Cxe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{k:a,sorted:o}=r,i=re().getNumber("TOPK_LAST_DIM_CPU_HANDOFF_SIZE_THRESHOLD"),l=re().getNumber("TOPK_K_CPU_HANDOFF_THRESHOLD"),u=s.shape,c=u[u.length-1];if(n.shouldExecuteOnCPU([s])||c<i||a>l){let D=n.readSync(s.dataId),[$,R]=Jpe(D,u,s.dtype,a,o);return[n.makeTensorInfo($.shape,$.dtype,$.values),n.makeTensorInfo(R.shape,R.dtype,R.values)]}if(a===0)return u[u.length-1]=0,[n.makeTensorInfo(u,s.dtype,[]),n.makeTensorInfo(u,"int32",[])];if(c===1)return[s,qm({attrs:{shape:u,dtype:"int32",value:0},backend:n})];let d=n.texData.get(s.dataId),h=d!==null&&d.isPacked,p=h?n.unpackTensor(s):s,m=k.sizeFromShape(u)/c,g=ve({inputs:{x:p},attrs:{shape:[m,c]},backend:n});h&&xi(n,p);let y=s9(a),A=s9(c),x=null,b=()=>x===null?[g,g]:[g,x],v=(D,$,R)=>{let N=b(),M=new Txe(R),q=[[c],[x===null?1:0],[Number.NEGATIVE_INFINITY],[D],[$]],X=x;x=n.runWebGLProgram(M,N,"int32",q),xi(n,X)};for(let D=1;D<y;D*=2){let $=D*2;for(let R=D;R>=1;R/=2)v($,R,[m,A])}for(let D=A;D>y;D/=2){let $=b(),R=new Nxe([m,D/2]),M=[[c],[x===null?1:0],[y]],B=x;x=n.runWebGLProgram(R,$,"int32",M),xi(n,B);let q=y/2,X=q*2;for(let J=q;J>=1;J/=2)v(X,J,x.shape)}let I=x;x=vu({inputs:{x},backend:n,attrs:{begin:0,size:[m,a]}}),xi(n,I);let w=GE({inputs:{x:g,indices:x},backend:n,attrs:{axis:1,batchDims:1}});xi(n,g);let S=u.slice(0,-1);S.push(a),I=x,x=ve({inputs:{x},attrs:{shape:S},backend:n}),xi(n,I);let E=w;return w=ve({inputs:{x:w},attrs:{shape:S},backend:n}),xi(n,E),[w,x]}var Exe={kernelName:ud,backendName:"webgl",kernelFunc:Cxe},$xe=class{constructor(e,t,n,r,s,a){this.variableNames=["Image","Transforms"],this.outputShape=a;let o=n==="nearest"?1:2,i;switch(r){case"constant":i=1;break;case"reflect":i=2;break;case"wrap":i=3;break;case"nearest":i=4;break;default:i=1;break}this.userCode=`
            float mapCoord(float outCoord, float len) {
              float inCoord = outCoord;
              if(${i} == 2) {
                if (inCoord < 0.0) {
                  if (len <= 1.0) {
                    inCoord = 0.0;
                  } else {
                    float sz2 = 2.0 * len;
                    if (inCoord < sz2) {
                      inCoord = sz2 * float(int(float(-inCoord / sz2))) +
                      inCoord;
                    }
                    inCoord = inCoord < -len ? inCoord + sz2 : -inCoord - 1.0;
                  }
                } else if (inCoord > len - 1.0) {
                  if (len <= 1.0) {
                    inCoord = 0.0;
                  } else {
                    float sz2 = 2.0 * len;
                    inCoord -= sz2 * float(int(float(inCoord / sz2)));
                    if (inCoord >= len) {
                      inCoord = sz2 - inCoord - 1.0;
                    }
                  }
                }
                return clamp(inCoord, 0.0, len - 1.0);
              } else if (${i} == 3) {
                if (inCoord < 0.0) {
                  if (len <= 1.0) {
                    inCoord = 0.0;
                  } else {
                    float sz = len - 1.0;
                    inCoord += len * (float(int(float(-inCoord / sz))) + 1.0);
                  }
                } else if (inCoord > len - 1.0) {
                  if (len <= 1.0) {
                    inCoord = 0.0;
                  } else {
                    float sz = len - 1.0;
                    inCoord -= len * float(int(float(inCoord / sz)));
                  }
                }
                return clamp(inCoord, 0.0, len - 1.0);
              } else if (${i} == 4) {
                return clamp(outCoord, 0.0, len - 1.0);
              } else {
                return outCoord;
              }
            }

            float readWithFillValue(int batch, int coordY, int coordX,
              int channel) {
              float outputValue;
              if (0 <= coordY && coordY < ${e} && 0 <= coordX && coordX < ${t}) {
                  outputValue = getImage(batch, coordY, coordX, channel);
              } else {
                outputValue = float(${s});
              }
              return outputValue;
            }

            void main() {
              ivec4 coords = getOutputCoords();
              float outputValue;
              int batch = coords[0];
              int x = coords[2];
              int y = coords[1];
              int channel = coords[3];
              float xf = float(x);
              float yf = float(y);
              float a1 = getTransforms(batch, 0);
              float a2 = getTransforms(batch, 1);
              float a3 = getTransforms(batch, 2);
              float b1 = getTransforms(batch, 3);
              float b2 = getTransforms(batch, 4);
              float b3 = getTransforms(batch, 5);
              float c1 = getTransforms(batch, 6);
              float c2 = getTransforms(batch, 7);
              float projection = c1 * xf + c2 * yf + 1.0;
              if (projection == 0.0) {
                outputValue = float(${s});
              } else {
                float inX = (a1 * xf + a2 * yf + a3) / projection;
                float inY = (b1 * xf + b2 * yf + b3) / projection;
                float mapX = mapCoord(inX, float(${t}));
                float mapY = mapCoord(inY, float(${e}));

                if (${o} == 1) {
                  int coordY = int(round(mapY));
                  int coordX = int(round(mapX));
                  outputValue = readWithFillValue(batch, coordY, coordX,
                    channel);
                } else {
                  float yFloor = floor(mapY);
                  float xFloor = floor(mapX);
                  float yCeil = yFloor + 1.0;
                  float xCeil = xFloor + 1.0;
                  float valueYFloor = (xCeil - mapX) *
                  readWithFillValue(batch, int(yFloor), int(xFloor), channel) +
                  (mapX - xFloor) *
                  readWithFillValue(batch, int(yFloor), int(xCeil), channel);
                  float valueYCeil = (xCeil - mapX) *
                  readWithFillValue(batch, int(yCeil), int(xFloor), channel) +
                  (mapX - xFloor) *
                  readWithFillValue(batch, int(yCeil), int(xCeil), channel);
                  outputValue = (yCeil - mapY) * valueYFloor +
                  (mapY - yFloor) * valueYCeil;
                }
              }
              setOutput(outputValue);
            }
        `}};function Rxe(e){let{inputs:t,backend:n,attrs:r}=e,{image:s,transforms:a}=t,{interpolation:o,fillMode:i,fillValue:l,outputShape:u}=r,[c,d,h,p]=s.shape,[f,m]=u!=null?u:[d,h],g=[c,f,m,p],y=new $xe(d,h,o,i,l,g);return n.runWebGLProgram(y,[s,a],"float32")}var _xe={kernelName:cd,backendName:"webgl",kernelFunc:Rxe};function Dxe(e){let{inputs:t,attrs:n,backend:r}=e,{axis:s}=n,{x:a}=t;hu(a,"unique"),console.warn("WARNING: ","UI might be locked temporarily as data is being downloaded");let o=r.readSync(a.dataId),{outputValues:i,outputShape:l,indices:u}=Qpe(o,s,a.shape,a.dtype);return[r.makeTensorInfo(l,a.dtype,i),r.makeTensorInfo([u.length],"int32",u)]}var Fxe={kernelName:Q1,backendName:"webgl",kernelFunc:Dxe};function Mxe(e){let{inputs:t,backend:n,attrs:r}=e,{value:s}=t,{axis:a}=r;a<0&&(a+=s.shape.length);let o=s,i=o.shape.length,l=s.shape[a],u=new Array(i-1),c=0;for(let m=0;m<i;m++)m!==a&&(u[c++]=o.shape[m]);let d=[],h=new Array(i).fill(0),p=o.shape.slice();p[a]=1;let f=new Array(l);for(let m=0;m<f.length;m++){h[a]=m;let g=vu({inputs:{x:o},backend:n,attrs:{begin:h,size:p}}),y=ve({inputs:{x:g},backend:n,attrs:{shape:u}});f[m]=y,d.push(g)}return d.forEach(m=>n.disposeIntermediateTensorInfo(m)),f}var Oxe={kernelName:dd,backendName:"webgl",kernelFunc:Mxe},Pxe=class{constructor(e,t){this.variableNames=["x","segmentIds"];let n=e.windowSize,r=e.batchSize,s=e.inSize,a=e.numSegments,o=a*Math.ceil(s/n);this.outputShape=[r,o];let i="0.0",l="sumValue",u=Math.floor(n/4)*4,c=n%4,d=`
        sumValue += dot(values, segFilter);
    `,h="";s%n>0&&(h=`
        if (inIdx < 0 || inIdx >= ${s}) {
          return initializationValue;
        }
      `);let p="";s%n>0&&(p=`
        if (inIdx < 0 || inIdx >= ${s}) {
          return -1.0;
        }
      `),this.userCode=`
      const float initializationValue = ${i};

      float getValue(int batch, int inIdx) {
        ${h}
        return getX(batch, inIdx);
      }

      float getSegmentIdAtIndex(int inIdx) {
        ${p}
        return getSegmentIds(inIdx);
      }

      void main() {
        ivec2 coords = getOutputCoords();
        int batch = coords[0];
        int outIdx = coords[1];
        int inOffset = int(floor(float(outIdx) / float(
          ${a})) * float(${n}));
        int currentSeg = int(mod(float(outIdx), float(${a})));

        float sumValue = 0.0;

        for (int i = 0; i < ${u}; i += 4) {
          int inIdx = inOffset + i;
          vec4 values = vec4(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            getValue(batch, inIdx + 3)
          );

          vec4 segFilter = vec4(
            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,
            int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0
          );

          ${d}
        }

        int inIdx = inOffset + ${u};
        if (${c===1}) {
          vec4 values = vec4(
            getValue(batch, inIdx),
            initializationValue,
            initializationValue,
            initializationValue
          );

          int inIdxSeg = int(getSegmentIdAtIndex(inIdx));

          vec4 segFilter = vec4(
            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
            0,
            0,
            0
          );

          ${d}
        } else if (${c===2}) {
          vec4 values = vec4(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            initializationValue,
            initializationValue
          );

          vec4 segFilter = vec4(
            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
              0,
              0
          );

          ${d}
        } else if (${c===3}) {
          vec4 values = vec4(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            initializationValue
          );

          vec4 segFilter = vec4(
            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,
            0
          );

          ${d}
        }
        setOutput(${l});
      }
    `}};function zxe(e){let{inputs:t,backend:n,attrs:r}=e,{x:s,segmentIds:a}=t,{numSegments:o}=r,i=s.shape.length,l=[],u=0,c=_.getAxesPermutation([u],i),d=s;c!=null&&(d=Un({inputs:{x:s},backend:n,attrs:{perm:c}}),l.push(d),u=_.getInnerMostAxes(1,i)[0]);let h=_.segment_util.computeOutShape(d.shape,u,o),p=k.sizeFromShape([d.shape[u]]),f=ve({inputs:{x:d},backend:n,attrs:{shape:[-1,p]}});l.push(f);let m=cy(s.dtype),g=(b,v,I,w,S)=>{let E=b.shape[0],D=b.shape[1],$=_.segment_util.segOpComputeOptimalWindowSize(D,S),R={windowSize:$,inSize:D,batchSize:E,numSegments:S},N=new Pxe(R,v),M=n.compileAndRun(N,[b,I],w);if(l.push(M),M.shape[1]===S)return M;let B=e9({backend:n,attrs:{start:0,stop:S,step:1,dtype:"float32"}}),q=r9({inputs:{x:B},backend:n,attrs:{reps:[D/$]}});return l.push(B),l.push(q),g(M,v,q,w,S)},y=g(f,"unsortedSegmentSum",a,m,o),A=ve({inputs:{x:y},backend:n,attrs:{shape:h}}),x=A;if(c!=null){l.push(A);let b=_.getUndoAxesPermutation(c);x=Un({inputs:{x},backend:n,attrs:{perm:b}})}return l.forEach(b=>n.disposeIntermediateTensorInfo(b)),x}var Lxe={kernelName:of,backendName:"webgl",kernelFunc:zxe},Bxe=[h1e,m1e,Jfe,eme,rme,ome,lme,dme,pme,mme,xme,vme,Ime,Nme,Fme,$me,Pme,Wme,Lme,Gme,qme,Xme,Qme,o0e,l0e,f0e,g0e,b0e,k0e,Dfe,C0e,z0e,B0e,_0e,H0e,j0e,V0e,X0e,J0e,tge,rge,age,lge,fge,gge,cge,xge,wge,Ige,Cge,_ge,Oge,Lge,Bge,Wge,Uge,Gge,qge,Xge,Yge,t2e,s2e,i2e,u2e,h2e,m2e,x2e,k2e,_fe,S2e,T0e,C2e,R2e,F2e,Mfe,z2e,V2e,H2e,Y2e,K2e,t1e,s1e,l1e,y1e,S1e,k1e,E1e,R1e,D1e,v1e,M1e,P1e,W1e,G1e,X1e,rye,Bfe,aye,lye,dye,fye,c0e,yye,xye,vye,Iye,Cye,Pfe,$ye,Rye,d0e,Q1e,Fye,Vye,zye,Vfe,jye,Xye,Qye,nAe,oAe,lAe,dAe,fAe,gAe,xAe,wAe,SAe,CAe,RAe,FAe,s0e,tye,PAe,LAe,WAe,UAe,GAe,qAe,XAe,YAe,exe,rxe,axe,ixe,cxe,hxe,fxe,gxe,eye,Xfe,xxe,wxe,Sxe,Exe,_xe,Zfe,Fxe,Oxe,Lxe,Aye];for(let e of Bxe)ry(e);var tr;(function(e){e[e.float32=0]="float32",e[e.int32=1]="int32",e[e.bool=2]="bool",e[e.string=3]="string",e[e.complex64=4]="complex64"})(tr||(tr={}));var ph;(function(e){e[e.linear=0]="linear",e[e.relu=1]="relu",e[e.relu6=2]="relu6",e[e.prelu=3]="prelu",e[e.leakyrelu=4]="leakyrelu",e[e.sigmoid=5]="sigmoid"})(ph||(ph={}));var a9;function Wxe(e){a9=e.wasm.cwrap(Ll,null,["number","array","number","number","array","number","number","number","number","number","number","number","number"])}function Vxe(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a,bias:o,preluActivationWeights:i}=t;if(s.dtype!=="float32"||a.dtype!=="float32")throw new Error("_FusedMatMul for non non-float32 tensors not yet supported.");let{transposeA:l,transposeB:u,activation:c,leakyreluAlpha:d}=r,h=n.dataIdMap.get(s.dataId).id,p=n.dataIdMap.get(a.dataId).id,f=0;if(o!=null){let S=n.dataIdMap.get(o.dataId);if(S.shape.length!==1)throw new Error(`_FusedMatMul only supports rank-1 bias but got rank ${S.shape.length}.`);f=S.id}let m=i==null?0:n.dataIdMap.get(i.dataId).id,g=ph[c];if(g==null)throw new Error(`${c} activation not yet supported for FusedConv2D in the wasm backend.`);let y=l?s.shape[2]:s.shape[1],A=u?a.shape[1]:a.shape[2],x=s.shape[0],b=n.makeOutput([x,y,A],s.dtype),v=n.dataIdMap.get(b.dataId).id,I=new Uint8Array(new Int32Array(s.shape).buffer),w=new Uint8Array(new Int32Array(a.shape).buffer);return a9(h,I,s.shape.length,p,w,a.shape.length,l,u,g,f,m,d||0,v),b}var Uxe={kernelName:Ll,backendName:"wasm",setupFunc:Wxe,kernelFunc:Vxe};function $n(e){let t;function n(s){t=s.wasm.cwrap(e,null,["number","number"])}function r(s){let{backend:a,inputs:{x:o}}=s,i=a.dataIdMap.get(o.dataId).id,l=a.makeOutput(o.shape,o.dtype),u=a.dataIdMap.get(l.dataId).id;return k.sizeFromShape(l.shape)===0||t(i,u),l}return{kernelName:e,backendName:"wasm",setupFunc:n,kernelFunc:r}}var Hxe=$n(Ac);function Hn(e,t,n){let r;function s(o){r=o.wasm.cwrap(e,null,["number","array","number","number","array","number","number","number"])}function a(o){let{backend:i,inputs:l}=o,{a:u,b:c}=l,d=i.dataIdMap.get(u.dataId).id,h=i.dataIdMap.get(c.dataId).id,p=n!=null?n:u.dtype,f=_.assertAndGetBroadcastShape(u.shape,c.shape),m=i.makeOutput(f,p);if(k.sizeFromShape(f)===0)return m;let g=new Uint8Array(new Int32Array(u.shape).buffer),y=new Uint8Array(new Int32Array(c.shape).buffer),A=i.dataIdMap.get(m.dataId).id,x=()=>r(d,g,u.shape.length,h,y,c.shape.length,tr[u.dtype],A);if(t&&u.dtype==="float32")return x(),m;let b=_.getBroadcastDims(u.shape,f),v=_.getBroadcastDims(c.shape,f),I=b.every((S,E)=>S===E),w=v.every((S,E)=>S===E);if(I&&w)return x(),m;throw new Error(`Broadcasting along outer dims is not yet supported for ${u.dtype} ${e}.`)}return{kernelName:e,backendName:"wasm",setupFunc:s,kernelFunc:a}}var Gxe=!0,jxe=Hn(Ma,Gxe),o9;function qxe(e){o9=e.wasm.cwrap(Xi,null,["array","number","number","number"])}function Kxe(e){let{inputs:t,backend:n}=e,r=n.makeOutput(t[0].shape,t[0].dtype);if(k.sizeFromShape(r.shape)===0)return r;let s=t.map(i=>n.dataIdMap.get(i.dataId).id),a=new Uint8Array(new Int32Array(s).buffer),o=n.dataIdMap.get(r.dataId).id;return o9(a,s.length,tr[r.dtype],o),r}var Xxe={kernelName:Xi,backendName:"wasm",setupFunc:qxe,kernelFunc:Kxe};function Xm(e){let{inputs:{x:t},backend:n}=e,r=n.makeOutput(t.shape,t.dtype),s=n.typedArrayFromHeap(t);return n.typedArrayFromHeap(r).set(s),r}var Zxe={kernelName:hl,backendName:"wasm",kernelFunc:Xm},i9;function Yxe(e){i9=e.wasm.cwrap(zl,null,["number","array","number","number","number","array","number"])}function Iu(e){let{inputs:t,backend:n,attrs:r}=e,[s,a]=Qxe(t.x.shape,r.perm),o=!0;for(let f=0;f<a.length;f++)a[f]!==f&&(o=!1);let i=Jxe(t.x.shape,r.perm),l={dataId:t.x.dataId,shape:s,dtype:t.x.dtype};if(o){let f=Xm({inputs:t,backend:n});return f.shape=i,f}let u=n.makeOutput(i,l.dtype),c=n.dataIdMap.get(l.dataId).id,d=n.dataIdMap.get(u.dataId).id,h=new Uint8Array(new Int32Array(a).buffer),p=new Uint8Array(new Int32Array(l.shape).buffer);return i9(c,p,l.shape.length,tr[l.dtype],d,h,a.length),u}function Jxe(e,t){let n=new Array(e.length);for(let r=0;r<n.length;r++)n[r]=e[t[r]];return n}function Qxe(e,t){let n=[],r=[];for(let s=0;s<e.length;++s)e[s]!==1&&n.push(e[s]),e[t[s]]!==1&&r.push(t[s]);for(let s=0;s<r.length;++s){let a=-1;for(let o=0;o<r.length;++o)r[o]>=s&&(a===-1||r[a]>r[o])&&(a=o);r[a]=s}return[n,r]}var e5e={kernelName:zl,backendName:"wasm",kernelFunc:Iu,setupFunc:Yxe};function to(e,t,n){let r=e.shape,s=e.shape.length,a=k.parseAxisParam(t,r),o=a,i=_.getAxesPermutation(o,s),l=null,u=!1;if(i!=null){let c=new Array(s);for(let p=0;p<c.length;p++)c[p]=r[i[p]];o=_.getInnerMostAxes(o.length,s),l=Iu({inputs:{x:e},attrs:{perm:i},backend:n});let d=n.dataIdMap.get(e.dataId).id;n.dataIdMap.get(l.dataId).id!==d&&(u=!0)}return{transposed:l,originalAxes:a,axes:o,inputWasTransposed:u}}var l9;function t5e(e){l9=e.wasm.cwrap(vc,null,["number, number, number"])}function n5e(e){let{backend:t,inputs:n,attrs:r}=e,{axis:s,keepDims:a}=r,{x:o}=n,l=t.dataIdMap.get(o.dataId).id,u=o,{transposed:c,axes:d,originalAxes:h,inputWasTransposed:p}=to(o,s,t);if(p){let x=t.dataIdMap.get(c.dataId).id;u=c,l=x}let f=u.shape.length;_.assertAxesAreInnerMostDims("all",d,f);let[m,g]=_.computeOutAndReduceShapes(u.shape,d),y=k.sizeFromShape(g),A=t.makeOutput(m,o.dtype);if(k.sizeFromShape(u.shape)!==0){let x=t.dataIdMap.get(A.dataId).id;l9(l,y,x)}if(p&&t.disposeData(c.dataId),a){let x=_.expandShapeToKeepDim(A.shape,h);A.shape=x}return A}var r5e={kernelName:vc,backendName:"wasm",setupFunc:t5e,kernelFunc:n5e},u9;function s5e(e){u9=e.wasm.cwrap(wc,null,["number, number, number"])}function a5e(e){let{backend:t,inputs:n,attrs:r}=e,{axis:s,keepDims:a}=r,{x:o}=n,l=t.dataIdMap.get(o.dataId).id,u=o,{transposed:c,axes:d,originalAxes:h,inputWasTransposed:p}=to(o,s,t);if(p){let x=t.dataIdMap.get(c.dataId).id;u=c,l=x}let f=u.shape.length;_.assertAxesAreInnerMostDims("any",d,f);let[m,g]=_.computeOutAndReduceShapes(u.shape,d),y=k.sizeFromShape(g),A=t.makeOutput(m,o.dtype);if(k.sizeFromShape(u.shape)!==0){let x=t.dataIdMap.get(A.dataId).id;u9(l,y,x)}if(p&&t.disposeData(c.dataId),a){let x=_.expandShapeToKeepDim(A.shape,h);A.shape=x}return A}var o5e={kernelName:wc,backendName:"wasm",setupFunc:s5e,kernelFunc:a5e},c9;function i5e(e){c9=e.wasm.cwrap(Zi,null,["number","number","number","number","number"])}function l5e(e){let{backend:t,inputs:n,attrs:r}=e,{axis:s}=r,{x:a}=n,o=t.dataIdMap.get(a.dataId).id,i=o,l=a,{transposed:u,axes:c,inputWasTransposed:d}=to(a,s,t);if(d){let y=t.dataIdMap.get(u.dataId).id;y!==o&&(l=u,i=y)}let h=l.shape.slice(0,-1),p=t.makeOutput(h,"int32"),f=t.dataIdMap.get(p.dataId).id,m=k.sizeFromShape(p.shape),g=l.shape[c[0]];return c9(i,tr[l.dtype],m,g,f),d&&t.disposeData(u.dataId),p}var u5e={kernelName:Zi,backendName:"wasm",kernelFunc:l5e,setupFunc:i5e},d9;function c5e(e){d9=e.wasm.cwrap(Yi,null,["number","number","number","number","number","number","number","number","number","number","number","number","number","number"])}function d5e(e){let{inputs:t,attrs:n,backend:r}=e,s=t.x,a=r.dataIdMap.get(s.dataId).id,{filterSize:o,strides:i,pad:l,dimRoundingMode:u}=n,c=_.computePool2DInfo(s.shape,o,i,1,l,u),d=c.filterHeight,h=c.filterWidth,p=c.padInfo.top,f=c.padInfo.right,m=c.padInfo.bottom,g=c.padInfo.left,y=c.strideHeight,A=c.strideWidth,x=c.inChannels;if(c.dataFormat!=="channelsLast")throw new Error(`wasm backend does not support dataFormat:'${c.dataFormat}'. 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New shape and old shape must have the same number of elements.`),e.backend.incRef(r.dataId),{dataId:r.dataId,shape:o,dtype:r.dtype}}var p5e={kernelName:Jc,backendName:"wasm",kernelFunc:nr},h9;function f5e(e){h9=e.wasm.cwrap(Ji,null,["number","array","number","number","array","number","number","number","number"])}function m5e(e){let{inputs:t,backend:n,attrs:r}=e,{a:s,b:a}=t,{transposeA:o,transposeB:i}=r;if(s.dtype!=="float32"||a.dtype!=="float32")throw new Error("BatchMatMul for non non-float32 tensors not yet supported.");let l=s.shape.length,u=a.shape.length,c=o?s.shape[l-2]:s.shape[l-1],d=i?a.shape[u-1]:a.shape[u-2],h=o?s.shape[l-1]:s.shape[l-2],p=i?a.shape[u-2]:a.shape[u-1],f=s.shape.slice(0,-2),m=a.shape.slice(0,-2),g=k.sizeFromShape(f),y=k.sizeFromShape(m),A=g===y||g===1||y===1;k.assert(l>=2&&u>=2&&A,()=>`Error in matMul: the input batch dimensions must either be the same or at least one input batch dimension must be 1. 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fh(e){let{inputs:{x:t},attrs:{begin:n,size:r},backend:s}=e,[a,o]=Cn.parseSliceParams(t,n,r),i=Cn.isSliceContinous(t.shape,a,o),l=s.readSync(t.dataId),u=s.makeOutput(o,t.dtype),c=k.computeStrides(t.shape),d=s.dataIdMap.get(u.dataId);if(i){let f=Cn.computeFlatOffset(a,c);return t.dtype==="string"?d.stringBytes=l.slice(f,f+k.sizeFromShape(o)):s.typedArrayFromHeap(u).set(l.subarray(f,f+k.sizeFromShape(o))),u}if(t.dtype==="string"){let f=X5(l,a,o,t.shape,t.dtype);return d.stringBytes=f,u}let h=s.typedArrayFromHeap(u),p=t.shape.length;if(p===2)y5e(l,c[0],h,a,o);else if(p===3)A5e(l,c[0],c[1],h,a,o);else if(p===4)x5e(l,c[0],c[1],c[2],h,a,o);else{let f=X5(l,a,o,t.shape,t.dtype);h.set(f)}return u}function y5e(e,t,n,r,s){let a=0,o=r[0],i=r[1],l=o+s[0];for(let u=o;u<l;u++){let c=u*t+i;n.set(e.subarray(c,c+s[1]),a),a+=s[1]}}function A5e(e,t,n,r,s,a){let o=0,i=s[0],l=s[1],u=s[2],c=i+a[0],d=l+a[1];for(let h=i;h<c;h++)for(let p=l;p<d;p++){let f=h*t+p*n+u;r.set(e.subarray(f,f+a[2]),o),o+=a[2]}}function x5e(e,t,n,r,s,a,o){let i=0,l=a[0],u=a[1],c=a[2],d=l+o[0],h=u+o[1],p=c+o[2],f=a[3];for(let m=l;m<d;m++)for(let g=u;g<h;g++)for(let y=c;y<p;y++){let A=m*t+g*n+y*r+f;s.set(e.subarray(A,A+o[3]),i),i+=o[3]}}var b5e={kernelName:nd,backendName:"wasm",kernelFunc:fh};function v5e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{blockShape:a,crops:o}=r,i=a.reduce((y,A)=>y*A),l=_.getReshaped(s.shape,a,i),u=_.getPermuted(l.length,a.length),c=_.getReshapedPermuted(s.shape,a,i),d=_.getSliceBeginCoords(o,a.length),h=_.getSliceSize(c,o,a.length),p=nr({inputs:{x:s},backend:n,attrs:{shape:l}}),f=Iu({inputs:{x:p},backend:n,attrs:{perm:u}}),m=nr({inputs:{x:f},backend:n,attrs:{shape:c}}),g=fh({inputs:{x:m},backend:n,attrs:{begin:d,size:h}});return n.disposeData(p.dataId),n.disposeData(f.dataId),n.disposeData(p.dataId),g}var w5e={kernelName:Cc,backendName:"wasm",kernelFunc:v5e};function Zm(e){let{inputs:{x:t},attrs:{dtype:n},backend:r}=e,s=r.makeOutput(t.shape,n),a=r.typedArrayFromHeap(t);return r.typedArrayFromHeap(s).set(a),s}var k5e={kernelName:Qi,backendName:"wasm",kernelFunc:Zm},I5e=$n(No),p9;function S5e(e){p9=e.wasm.cwrap(Co,null,["number","number","number","number"])}function T5e(e){let{inputs:t,backend:n,attrs:r}=e,{x:s}=t,{clipValueMin:a,clipValueMax:o}=r,i=n.dataIdMap.get(s.dataId).id,l=n.makeOutput(s.shape,s.dtype),u=n.dataIdMap.get(l.dataId).id;return p9(i,a,o,u),l}var N5e={kernelName:Co,backendName:"wasm",setupFunc:S5e,kernelFunc:T5e};function f9(e){let{inputs:t,backend:n}=e,r=k.parseAxisParam(e.attrs.axis,t[0].shape)[0],s=_.computeOutShape(t.map(p=>p.shape),r),a=t.filter(p=>k.sizeFromShape(p.shape)>0);if(a.length===1)return Xm({inputs:{x:a[0]},backend:n});let o=n.makeOutput(s,t[0].dtype);if(k.sizeFromShape(s)===0)return o;let i=a.map(p=>p.shape);if(_.assertParamsConsistent(i,r),a[0].dtype==="string"){let p=a.map(x=>{let b=k.sizeFromShape(x.shape.slice(r));return 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j3e={kernelName:pd,backendName:"wasm",kernelFunc:G3e,setupFunc:H3e},q3e=$n($l),K3e=$n(Oo),H9;function X3e(e){H9=e.wasm.cwrap(Qc,null,["number","number","number","number","number","number","array","number","number"])}function Z3e(e){let{backend:t,inputs:n,attrs:r}=e,{indices:s,updates:a}=n,{shape:o}=r,i=t.makeOutput(o,a.dtype);if(k.sizeFromShape(o)===0)return i;let{sliceRank:l,numUpdates:u,sliceSize:c,strides:d,outputSize:h}=v6.calculateShapes(a,s,o),f=t.dataIdMap.get(s.dataId).id,g=t.dataIdMap.get(a.dataId).id,y=new Uint8Array(new Int32Array(d).buffer),A=t.dataIdMap.get(i.dataId).id;return H9(f,g,tr[a.dtype],l,u,c,y,h,A),i}var Y3e={kernelName:Qc,backendName:"wasm",setupFunc:X3e,kernelFunc:Z3e},G9;function J3e(e){G9=e.wasm.cwrap("SelectV2",null,["number","number","number","number","number"])}function 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swe=[127,234,132,58,172,150,149,148,152,377,378,379,397,288,361,454,356,70,63,105,66,107,336,296,334,293,300,168,6,195,4,98,97,2,326,327,33,160,158,133,153,144,362,385,387,263,373,380,57,40,37,0,267,270,287,321,314,17,84,91,78,81,13,311,308,402,14,178],awe=[33,133,362,263,1,62,308,159,145,386,374,6,102,331,2,13,14,70,105,107,336,334,300,54,10,284,50,280,234,454,58,288,152],owe=[33,133,362,263,1,78,308],G7e=swe.map(e=>bh[e]),j7e=awe.map(e=>bh[e]),q7e=owe.map(e=>bh[e]);var db=Ws.leftEyeLower0,hb=Ws.rightEyeLower0,Nu={leftBounds:[db[0],db[db.length-1]],rightBounds:[hb[0],hb[hb.length-1]]},n0={count:468,mouth:13,symmetryLine:[13,Ws.midwayBetweenEyes[0]]},f$={leftEye:0,rightEye:1,nose:2,mouth:3,leftEar:4,rightEar:5,symmetryLine:[3,2]},Cu={upperCenter:3,lowerCenter:4,index:71,numCoordinates:76};function r0(e,t,n,r){for(let s=0;s<cb.length;s++){let{key:a,indices:o}=cb[s],i=Ws[`${n}${a}`];if(!r||r.includes(a))for(let l=0;l<o.length;l++){let u=o[l];e[i[l]]=[t[u][0],t[u][1],(t[u][2]+e[i[l]][2])/2]}}}var pb=class{constructor(t,n,r){var s,a;this.storedBoxes=[],this.boundingBoxDetector=t,this.meshDetector=n,this.irisModel=r,this.boxSize=((s=t==null?void 0:t.model)==null?void 0:s.inputs[0].shape[2])||0,this.meshSize=(n==null?void 0:n.inputs[0].shape[2])||((a=t==null?void 0:t.model)==null?void 0:a.inputs[0].shape[2]),this.irisSize=(r==null?void 0:r.inputs[0].shape[1])||0,this.irisEnlarge=2.3,this.skipped=0,this.detectedFaces=0}transformRawCoords(t,n,r,s){let a=xh({startPoint:n.startPoint,endPoint:n.endPoint}),o=t.map(d=>[a[0]/this.meshSize*(d[0]-this.meshSize/2),a[1]/this.meshSize*(d[1]-this.meshSize/2),d[2]]),i=r!==0?t0(r,[0,0]):e0,l=r!==0?o.map(d=>[...u$(d,i),d[2]]):o,u=r!==0?l$(s):e0,c=[...Su({startPoint:n.startPoint,endPoint:n.endPoint}),1];return l.map(d=>[Math.round(d[0]+no(c,u[0])),Math.round(d[1]+no(c,u[1])),Math.round(d[2])])}getLeftToRightEyeDepthDifference(t){let n=t[Nu.leftBounds[0]][2],r=t[Nu.rightBounds[0]][2];return n-r}getEyeBox(t,n,r,s,a=!1){let o=Qm(Jm(lb([t[r],t[s]]),this.irisEnlarge)),i=xh(o),l=Ze.cropAndResize(n,[[o.startPoint[1]/this.meshSize,o.startPoint[0]/this.meshSize,o.endPoint[1]/this.meshSize,o.endPoint[0]/this.meshSize]],[0],[this.irisSize,this.irisSize]);return a&&kr.flags.IS_BROWSER&&(l=Ze.flipLeftRight(l)),{box:o,boxSize:i,crop:l}}getEyeCoords(t,n,r,s=!1){let a=[];for(let o=0;o<Cu.numCoordinates;o++){let i=t[o*3],l=t[o*3+1],u=t[o*3+2];a.push([(s?1-i/this.irisSize:i/this.irisSize)*r[0]+n.startPoint[0],l/this.irisSize*r[1]+n.startPoint[1],u])}return{rawCoords:a,iris:a.slice(Cu.index)}}getAdjustedIrisCoords(t,n,r){let s=t[Ws[`${r}EyeUpper0`][Cu.upperCenter]][2],a=t[Ws[`${r}EyeLower0`][Cu.lowerCenter]][2],o=(s+a)/2;return n.map((i,l)=>{let u=o;return l===2?u=s:l===4&&(u=a),[i[0],i[1],u]})}async predict(t,n){let r=!1,s;if((this.skipped===0||this.skipped>n.face.detector.skipFrames||!n.face.mesh.enabled||!n.skipFrame)&&(s=await this.boundingBoxDetector.getBoundingBoxes(t,n),this.skipped=0),n.skipFrame&&this.skipped++,!n.skipFrame||s&&s.boxes&&(!n.face.mesh.enabled||s.boxes.length!==this.detectedFaces&&this.detectedFaces!==n.face.detector.maxDetected)){this.storedBoxes=[],this.detectedFaces=0;for(let o of s.boxes)this.storedBoxes.push({startPoint:o.box.startPoint.dataSync(),endPoint:o.box.endPoint.dataSync(),landmarks:o.landmarks.arraySync(),confidence:o.confidence});this.storedBoxes.length>0&&(r=!0)}if(r){if(!s||!s.boxes||s.boxes.length===0)return this.storedBoxes=[],this.detectedFaces=0,null;for(let o=0;o<this.storedBoxes.length;o++){let i=s$({startPoint:this.storedBoxes[o].startPoint,endPoint:this.storedBoxes[o].endPoint},s.scaleFactor),l=Jm(i),u=Qm(l),c=this.storedBoxes[o].landmarks,d=this.storedBoxes[o].confidence;this.storedBoxes[o]={...u,confidence:d,landmarks:c}}}s&&s.boxes&&s.boxes.forEach(o=>{o.box.startPoint.dispose(),o.box.endPoint.dispose(),o.landmarks.dispose()});let a=Ve(()=>this.storedBoxes.map((o,i)=>{let l,u=0,c;if(n.face.detector.rotation&&n.face.mesh.enabled&&kr.flags.IS_BROWSER){let[x,b]=o.landmarks.length>=n0.count?n0.symmetryLine:f$.symmetryLine;u=ub(o.landmarks[x],o.landmarks[b]);let v=Su({startPoint:o.startPoint,endPoint:o.endPoint}),I=[v[0]/t.shape[2],v[1]/t.shape[1]],w=Ze.rotateWithOffset(t,u,0,I);c=t0(-u,v),n.face.mesh.enabled?l=Tu({startPoint:o.startPoint,endPoint:o.endPoint},w,[this.meshSize,this.meshSize]).div(255):l=Tu({startPoint:o.startPoint,endPoint:o.endPoint},w,[this.boxSize,this.boxSize]).div(255)}else{c=e0;let x=t.clone();n.face.mesh.enabled?l=Tu({startPoint:o.startPoint,endPoint:o.endPoint},x,[this.meshSize,this.meshSize]).div(255):l=Tu({startPoint:o.startPoint,endPoint:o.endPoint},x,[this.boxSize,this.boxSize]).div(255)}if(!n.face.mesh.enabled)return{mesh:[],box:o,faceConfidence:null,boxConfidence:o.confidence,confidence:o.confidence,image:l};let[,d,h]=this.meshDetector.execute(l),p=d.dataSync()[0];if(p<n.face.detector.minConfidence)return this.storedBoxes[i].confidence=p,null;let m=le(h,[-1,3]).arraySync();if(n.face.iris.enabled){let{box:x,boxSize:b,crop:v}=this.getEyeBox(m,l,Nu.leftBounds[0],Nu.leftBounds[1],!0),{box:I,boxSize:w,crop:S}=this.getEyeBox(m,l,Nu.rightBounds[0],Nu.rightBounds[1]),D=this.irisModel.predict(rn([v,S])).dataSync(),$=D.slice(0,Cu.numCoordinates*3),{rawCoords:R,iris:N}=this.getEyeCoords($,x,b,!0),M=D.slice(Cu.numCoordinates*3),{rawCoords:B,iris:q}=this.getEyeCoords(M,I,w),X=this.getLeftToRightEyeDepthDifference(m);Math.abs(X)<30?(r0(m,R,"left",null),r0(m,B,"right",null)):X<1?r0(m,R,"left",["EyeUpper0","EyeLower0"]):r0(m,B,"right",["EyeUpper0","EyeLower0"]);let J=this.getAdjustedIrisCoords(m,N,"left"),ee=this.getAdjustedIrisCoords(m,q,"right");m=m.concat(J).concat(ee)}let g=this.transformRawCoords(m,o,u,c),y=o.confidence;if(o=Jm(lb(g),1.5),o.confidence=y,n.face.detector.rotation&&n.face.mesh.enabled&&n.face.description.enabled&&kr.flags.IS_BROWSER){let[x,b]=o.landmarks.length>=n0.count?n0.symmetryLine:f$.symmetryLine;u=ub(o.landmarks[x],o.landmarks[b]);let v=Su({startPoint:o.startPoint,endPoint:o.endPoint}),I=[v[0]/t.shape[2],v[1]/t.shape[1]],w=Ze.rotateWithOffset(t.toFloat(),u,0,I);c=t0(-u,v),l=Tu({startPoint:o.startPoint,endPoint:o.endPoint},w,[this.meshSize,this.meshSize]).div(255)}let A={mesh:g,box:o,faceConfidence:p,boxConfidence:o.confidence,image:l};return this.storedBoxes[i]={...Qm(o),confidence:o.confidence,faceConfidence:p},A}));return n.face.mesh.enabled&&(this.storedBoxes=this.storedBoxes.filter(o=>o.confidence>n.face.detector.minConfidence)),this.detectedFaces=a.length,a}};var Kt=[null,null,null],fb;async function m$(e,t){let n=await fb.predict(e,t),r=[],s=0;for(let a of n||[]){if(!a||a.isDisposedInternal)continue;let o=a.mesh.map(c=>[c[0]/(e.shape[2]||0),c[1]/(e.shape[1]||0),c[2]/fb.meshSize]),i={};if(a.mesh&&a.mesh.length>0)for(let c of Object.keys(Ws))i[c]=Ws[c].map(d=>a.mesh[d]);let l=a.box?[Math.trunc(Math.max(0,a.box.startPoint[0])),Math.trunc(Math.max(0,a.box.startPoint[1])),Math.trunc(Math.min(e.shape[2]||0,a.box.endPoint[0])-Math.max(0,a.box.startPoint[0])),Math.trunc(Math.min(e.shape[1]||0,a.box.endPoint[1])-Math.max(0,a.box.startPoint[1]))]:[0,0,0,0],u=a.box?[a.box.startPoint[0]/(e.shape[2]||0),a.box.startPoint[1]/(e.shape[1]||0),(a.box.endPoint[0]-a.box.startPoint[0])/(e.shape[2]||0),(a.box.endPoint[1]-a.box.startPoint[1])/(e.shape[1]||0)]:[0,0,0,0];r.push({id:s++,score:Math.round(100*a.faceConfidence||100*a.boxConfidence||0)/100,boxScore:Math.round(100*a.boxConfidence)/100,faceScore:Math.round(100*a.faceConfidence)/100,box:l,boxRaw:u,mesh:a.mesh,meshRaw:o,annotations:i,image:a.image,tensor:a.image}),a.coords&&a.coords.dispose()}return r}async function mb(e){return!Kt[0]&&e.face.enabled||!Kt[1]&&e.face.mesh.enabled||!Kt[2]&&e.face.iris.enabled?(Kt=await Promise.all([!Kt[0]&&e.face.enabled?p$(e):null,!Kt[1]&&e.face.mesh.enabled?Nt(Ct(e.modelBasePath,e.face.mesh.modelPath),{fromTFHub:e.face.mesh.modelPath.includes("tfhub.dev")}):null,!Kt[2]&&e.face.iris.enabled?Nt(Ct(e.modelBasePath,e.face.iris.modelPath),{fromTFHub:e.face.iris.modelPath.includes("tfhub.dev")}):null]),e.face.mesh.enabled&&(!Kt[1]||!Kt[1].modelUrl?fe("load model failed:",e.face.mesh.modelPath):e.debug&&fe("load model:",Kt[1].modelUrl)),e.face.iris.enabled&&(!Kt[2]||!Kt[2].modelUrl?fe("load model failed:",e.face.iris.modelPath):e.debug&&fe("load model:",Kt[2].modelUrl))):e.debug&&(Kt[0]&&fe("cached model:",Kt[0].model.modelUrl),Kt[1]&&fe("cached model:",Kt[1].modelUrl),Kt[2]&&fe("cached model:",Kt[2].modelUrl)),fb=new pb(Kt[0],Kt[1],Kt[2]),Kt}var g$=bi,y$=bh;var ys,s0=[],A$=0,gb=Number.MAX_SAFE_INTEGER;async function yb(e){let t=Ct(e.modelBasePath,e.face.description.modelPath);return ys?e.debug&&fe("cached model:",t):(ys=await Nt(t),ys?e.debug&&fe("load model:",t):fe("load model failed:",e.face.description.modelPath)),ys}function Ab(e,t,n=2){if(!e||!t||(e==null?void 0:e.length)===0||(t==null?void 0:t.length)===0||(e==null?void 0:e.length)!==(t==null?void 0:t.length))return 0;let r=5*e.map((a,o)=>Math.abs(e[o]-t[o])**n).reduce((a,o)=>a+o,0)**(1/n);return Math.max(0,100-r)/100}function x$(e,t,n=0){let r={similarity:0,name:"",source:"",embedding:[]};if(!e||!t||!Array.isArray(e)||!Array.isArray(t))return r;for(let s of t)if(s.embedding&&s.name){let a=Ab(e,s.embedding);a>n&&a>r.similarity&&(r={...s,similarity:a})}return r}function xb(e){return Ve(()=>{let n=e.image||e.tensor||e;if(!(n instanceof It))return null;let r=[[.05,.15,.85,.85]];return ys.inputs[0].shape?(n.shape.length===3?Ze.cropAndResize(ta(n,0),r,[0],[ys.inputs[0].shape[2],ys.inputs[0].shape[1]]):Ze.cropAndResize(n,r,[0],[ys.inputs[0].shape[2],ys.inputs[0].shape[1]])).mul(255):null})}async function bb(e,t,n,r){var s,a;return ys?gb<t.face.description.skipFrames&&t.skipFrame&&A$===r&&((s=s0[n])==null?void 0:s.age)&&((a=s0[n])==null?void 0:a.age)>0?(gb++,s0[n]):(gb=0,new Promise(async o=>{let i=xb(e),l,u={age:0,gender:"unknown",genderScore:0,descriptor:[]};t.face.description.enabled&&(l=await ys.predict(i)),We(i),l&&(Ve(()=>{let c=l.find(m=>m.shape[1]===1).dataSync(),d=Math.trunc(200*Math.abs(c[0]-.5))/100;d>t.face.description.minConfidence&&(u.gender=c[0]<=.5?"female":"male",u.genderScore=Math.min(.99,d));let h=l.find(m=>m.shape[1]===100).argMax(1).dataSync()[0],p=l.find(m=>m.shape[1]===100).dataSync();u.age=Math.round(p[h-1]>p[h+1]?10*h-100*p[h-1]:10*h+100*p[h+1])/10;let f=l.find(m=>m.shape[1]===1024);u.descriptor=[...f.dataSync()]}),l.forEach(c=>We(c))),s0[n]=u,A$=r,o(u)})):null}var iwe=["angry","disgust","fear","happy","sad","surprise","neutral"],As,a0=[],b$=0,vb=Number.MAX_SAFE_INTEGER,wb=[.2989,.587,.114];async function kb(e){return As?e.debug&&fe("cached model:",As.modelUrl):(As=await Nt(Ct(e.modelBasePath,e.face.emotion.modelPath)),!As||!As.modelUrl?fe("load model failed:",e.face.emotion.modelPath):e.debug&&fe("load model:",As.modelUrl)),As}async function Ib(e,t,n,r){return As?vb<t.face.emotion.skipFrames&&t.skipFrame&&b$===r&&a0[n]&&a0[n].length>0?(vb++,a0[n]):(vb=0,new Promise(async s=>{let a=Ze.resizeBilinear(e,[As.inputs[0].shape[2],As.inputs[0].shape[1]],!1),[o,i,l]=na(a,3,3);a.dispose();let u=pe(o,wb[0]),c=pe(i,wb[1]),d=pe(l,wb[2]);o.dispose(),i.dispose(),l.dispose();let h=j2([u,c,d]);u.dispose(),c.dispose(),d.dispose();let p=Ve(()=>h.sub(.5).mul(2));h.dispose();let f=[];if(t.face.emotion.enabled){let m=await As.predict(p),g=m.dataSync();We(m);for(let y=0;y<g.length;y++)g[y]>t.face.emotion.minConfidence&&f.push({score:Math.min(.99,Math.trunc(100*g[y])/100),emotion:iwe[y]});f.sort((y,A)=>A.score-y.score)}p.dispose(),a0[n]=f,b$=r,s(f)})):null}var vh=["nose","leftEye","rightEye","leftEar","rightEar","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle"],v$=vh.length,wh=vh.reduce((e,t,n)=>(e[t]=n,e),{}),lwe=[["leftHip","leftShoulder"],["leftElbow","leftShoulder"],["leftElbow","leftWrist"],["leftHip","leftKnee"],["leftKnee","leftAnkle"],["rightHip","rightShoulder"],["rightElbow","rightShoulder"],["rightElbow","rightWrist"],["rightHip","rightKnee"],["rightKnee","rightAnkle"],["leftShoulder","rightShoulder"],["leftHip","rightHip"]],uwe=lwe.map(([e,t])=>[wh[e],wh[t]]),w$=[["nose","leftEye"],["leftEye","leftEar"],["nose","rightEye"],["rightEye","rightEar"],["nose","leftShoulder"],["leftShoulder","leftElbow"],["leftElbow","leftWrist"],["leftShoulder","leftHip"],["leftHip","leftKnee"],["leftKnee","leftAnkle"],["nose","rightShoulder"],["rightShoulder","rightElbow"],["rightElbow","rightWrist"],["rightShoulder","rightHip"],["rightHip","rightKnee"],["rightKnee","rightAnkle"]];function k$(e){let t=e.reduce(({maxX:n,maxY:r,minX:s,minY:a},{position:{x:o,y:i}})=>({maxX:Math.max(n,o),maxY:Math.max(r,i),minX:Math.min(s,o),minY:Math.min(a,i)}),{maxX:Number.NEGATIVE_INFINITY,maxY:Number.NEGATIVE_INFINITY,minX:Number.POSITIVE_INFINITY,minY:Number.POSITIVE_INFINITY});return[t.minX,t.minY,t.maxX-t.minX,t.maxY-t.minY]}function I$(e,[t,n],[r,s]){let a=t/r,o=n/s,i=(u,c)=>({id:c,score:u.score,boxRaw:[u.box[0]/s,u.box[1]/r,u.box[2]/s,u.box[3]/r],box:[Math.trunc(u.box[0]*o),Math.trunc(u.box[1]*a),Math.trunc(u.box[2]*o),Math.trunc(u.box[3]*a)],keypoints:u.keypoints.map(({score:d,part:h,position:p})=>({score:d,part:h,position:[Math.trunc(p.x*o),Math.trunc(p.y*a)],positionRaw:[p.x/r,p.y/r]}))});return e.map((u,c)=>i(u,c))}var Sb=class{constructor(t,n){this.priorityQueue=new Array(t),this.numberOfElements=-1,this.getElementValue=n}enqueue(t){this.priorityQueue[++this.numberOfElements]=t,this.swim(this.numberOfElements)}dequeue(){let t=this.priorityQueue[0];return this.exchange(0,this.numberOfElements--),this.sink(0),this.priorityQueue[this.numberOfElements+1]=null,t}empty(){return this.numberOfElements===-1}size(){return this.numberOfElements+1}all(){return this.priorityQueue.slice(0,this.numberOfElements+1)}max(){return this.priorityQueue[0]}swim(t){for(;t>0&&this.less(Math.floor(t/2),t);)this.exchange(t,Math.floor(t/2)),t=Math.floor(t/2)}sink(t){for(;2*t<=this.numberOfElements;){let n=2*t;if(n<this.numberOfElements&&this.less(n,n+1)&&n++,!this.less(t,n))break;this.exchange(t,n),t=n}}getValueAt(t){return this.getElementValue(this.priorityQueue[t])}less(t,n){return this.getValueAt(t)<this.getValueAt(n)}exchange(t,n){let r=this.priorityQueue[t];this.priorityQueue[t]=this.priorityQueue[n],this.priorityQueue[n]=r}};function Tb(e,t,n,r){return{y:r.get(e,t,n),x:r.get(e,t,n+v$)}}function Nb(e,t,n){let{heatmapY:r,heatmapX:s,id:a}=e,{y:o,x:i}=Tb(r,s,a,n);return{x:e.heatmapX*t+i,y:e.heatmapY*t+o}}function Cb(e,t,n){return e<t?t:e>n?n:e}function S$(e,t,n,r){let s=n-e,a=r-t;return s*s+a*a}function Eb(e,t){return{x:e.x+t.x,y:e.y+t.y}}var o0=1,Eu=16,cwe=50**2;function T$(e,t,n,r,s,a,o=2){let i=y=>({y:a.get(y.y,y.x,e),x:a.get(y.y,y.x,a.shape[2]/2+e)}),l=(y,A,x)=>({y:Cb(Math.round(y.y/Eu),0,A-1),x:Cb(Math.round(y.x/Eu),0,x-1)}),[u,c]=r.shape,d=l(t.position,u,c),h=i(d),f=Eb(t.position,h);for(let y=0;y<o;y++){let A=l(f,u,c),x=Tb(A.y,A.x,n,s);f=Eb({x:A.x*Eu,y:A.y*Eu},{x:x.x,y:x.y})}let m=l(f,u,c),g=r.get(m.y,m.x,n);return{position:f,part:vh[n],score:g}}function dwe(e,t,n,r,s){let a=w$.map(([h,p])=>[wh[h],wh[p]]),o=a.map(([,h])=>h),i=a.map(([h])=>h),l=t.shape[2],u=o.length,c=new Array(l),d=Nb(e.part,Eu,n);c[e.part.id]={score:e.score,part:vh[e.part.id],position:d};for(let h=u-1;h>=0;--h){let p=o[h],f=i[h];c[p]&&!c[f]&&(c[f]=T$(h,c[p],f,t,n,s))}for(let h=0;h<u;++h){let p=i[h],f=o[h];c[p]&&!c[f]&&(c[f]=T$(h,c[p],f,t,n,r))}return c}function hwe(e,t,n,r,s){let[a,o]=s.shape,i=!0,l=Math.max(n-o0,0),u=Math.min(n+o0+1,a);for(let c=l;c<u;++c){let d=Math.max(r-o0,0),h=Math.min(r+o0+1,o);for(let p=d;p<h;++p)if(s.get(c,p,e)>t){i=!1;break}if(!i)break}return i}function pwe(e,t){let[n,r,s]=t.shape,a=new Sb(n*r*s,({score:o})=>o);for(let o=0;o<n;++o)for(let i=0;i<r;++i)for(let l=0;l<s;++l){let u=t.get(o,i,l);u<e||hwe(l,u,o,i,t)&&a.enqueue({score:u,part:{heatmapY:o,heatmapX:i,id:l}})}return a}function N$(e,{x:t,y:n},r){return e.some(({keypoints:s})=>{var o;let a=(o=s[r])==null?void 0:o.position;return a?S$(n,t,a.y,a.x)<=cwe:!1})}function fwe(e,t){return t.reduce((r,{position:s,score:a},o)=>(N$(e,s,o)||(r+=a),r),0)/t.length}function C$(e,t,n,r,s,a){let o=[],i=pwe(a,t);for(;o.length<s&&!i.empty();){let l=i.dequeue(),u=Nb(l.part,Eu,e);if(N$(o,u,l.part.id))continue;let c=dwe(l,t,e,n,r);c=c.filter(p=>p.score>a);let d=fwe(o,c),h=k$(c);d>a&&o.push({keypoints:c,box:h,score:Math.round(100*d)/100})}return o}var 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Ze.nonMaxSuppressionAsync(l,o,n.hand.maxDetected,n.hand.iouThreshold,n.hand.minConfidence),c=u.arraySync();a.dispose(),u.dispose();let d=[];for(let h of c)if(o[h]>=n.hand.minConfidence){let p=Xe(l,[h,0],[1,-1]),f=Xe(s,[h,5],[1,14]),m=Ve(()=>this.normalizeLandmarks(f,h).reshape([-1,2]));f.dispose(),d.push({box:p,palmLandmarks:m,confidence:o[h]})}return s.dispose(),l.dispose(),d}async estimateHandBounds(t,n){let r=t.shape[1],s=t.shape[2],a=Ve(()=>t.resizeBilinear([this.inputSize,this.inputSize]).div(127.5).sub(1)),o=await this.getBoxes(a,n);a.dispose();let i=[];if(!o||o.length===0)return i;for(let l of o){let u=l.box.dataSync(),c=u.slice(0,2),d=u.slice(2,4),h=l.palmLandmarks.arraySync();l.box.dispose(),l.palmLandmarks.dispose(),i.push($$({startPoint:c,endPoint:d,palmLandmarks:h,confidence:l.confidence},[s/this.inputSize,r/this.inputSize]))}return i}};function gwe(e){return e-2*Math.PI*Math.floor((e+Math.PI)/(2*Math.PI))}function _$(e,t){let n=Math.PI/2-Math.atan2(-(t[1]-e[1]),t[0]-e[0]);return gwe(n)}var D$=(e,t)=>[[1,0,e],[0,1,t],[0,0,1]];function ro(e,t){let n=0;for(let r=0;r<e.length;r++)n+=e[r]*t[r];return n}function ywe(e,t){let n=[];for(let r=0;r<e.length;r++)n.push(e[r][t]);return n}function F$(e,t){let n=[],r=e.length;for(let s=0;s<r;s++){n.push([]);for(let a=0;a<r;a++)n[s].push(ro(e[s],ywe(t,a)))}return n}function Db(e,t){let n=Math.cos(e),r=Math.sin(e),s=[[n,-r,0],[r,n,0],[0,0,1]],a=D$(t[0],t[1]),o=F$(a,s),i=D$(-t[0],-t[1]);return F$(o,i)}function M$(e){let t=[[e[0][0],e[1][0]],[e[0][1],e[1][1]]],n=[e[0][2],e[1][2]],r=[-ro(t[0],n),-ro(t[1],n)];return[t[0].concat(r[0]),t[1].concat(r[1]),[0,0,1]]}function Fb(e,t){return[ro(e,t[0]),ro(e,t[1])]}var Awe=5,O$=1.65,P$=[0,5,9,13,17,1,2],xwe=0,bwe=2,Mb=class{constructor(t,n){var r;this.handDetector=t,this.handPoseModel=n,this.inputSize=(r=this.handPoseModel)==null?void 0:r.inputs[0].shape[2],this.storedBoxes=[],this.skipped=0,this.detectedHands=0}calculateLandmarksBoundingBox(t){let n=t.map(o=>o[0]),r=t.map(o=>o[1]),s=[Math.min(...n),Math.min(...r)],a=[Math.max(...n),Math.max(...r)];return{startPoint:s,endPoint:a}}getBoxForPalmLandmarks(t,n){let r=t.map(a=>Fb([...a,1],n)),s=this.calculateLandmarksBoundingBox(r);return l0(u0(s),Awe)}getBoxForHandLandmarks(t){let n=this.calculateLandmarksBoundingBox(t),r=l0(u0(n),O$);r.palmLandmarks=[];for(let s=0;s<P$.length;s++)r.palmLandmarks.push(t[P$[s]].slice(0,2));return r}transformRawCoords(t,n,r,s){let a=i0(n),o=[a[0]/this.inputSize,a[1]/this.inputSize,(a[0]+a[1])/this.inputSize/2],i=t.map(p=>[o[0]*(p[0]-this.inputSize/2),o[1]*(p[1]-this.inputSize/2),o[2]*p[2]]),l=Db(r,[0,0]),u=i.map(p=>[...Fb(p,l),p[2]]),c=M$(s),d=[...kh(n),1],h=[ro(d,c[0]),ro(d,c[1])];return u.map(p=>[Math.trunc(p[0]+h[0]),Math.trunc(p[1]+h[1]),Math.trunc(p[2])])}async estimateHands(t,n){let r=!1,s;(this.skipped===0||this.skipped>n.hand.skipFrames||!n.hand.landmarks||!n.skipFrame)&&(s=await this.handDetector.estimateHandBounds(t,n),this.skipped=0),n.skipFrame&&this.skipped++,s&&s.length>0&&(s.length!==this.detectedHands&&this.detectedHands!==n.hand.maxDetected||!n.hand.landmarks)&&(this.detectedHands=0,this.storedBoxes=[...s],this.storedBoxes.length>0&&(r=!0));let a=[];for(let o=0;o<this.storedBoxes.length;o++){let i=this.storedBoxes[o];if(!!i)if(n.hand.landmarks){let l=n.hand.rotation?_$(i.palmLandmarks[xwe],i.palmLandmarks[bwe]):0,u=kh(i),c=[u[0]/t.shape[2],u[1]/t.shape[1]],d=n.hand.rotation&&kr.flags.IS_BROWSER?Ze.rotateWithOffset(t,l,0,c):t.clone(),h=Db(-l,u),p=r?this.getBoxForPalmLandmarks(i.palmLandmarks,h):i,f=E$(p,d,[this.inputSize,this.inputSize]),m=f.div(255);f.dispose(),d.dispose();let[g,y]=await this.handPoseModel.predict(m);m.dispose();let A=g.dataSync()[0];if(g.dispose(),A>=n.hand.minConfidence){let x=le(y,[-1,3]),b=x.arraySync();y.dispose(),x.dispose();let v=this.transformRawCoords(b,p,l,h),I=this.getBoxForHandLandmarks(v);this.storedBoxes[o]={...I,confidence:A};let w={landmarks:v,confidence:A,box:{topLeft:I.startPoint,bottomRight:I.endPoint}};a.push(w)}else this.storedBoxes[o]=null;y.dispose()}else{let l=l0(u0(i),O$),u={confidence:i.confidence,box:{topLeft:l.startPoint,bottomRight:l.endPoint}};a.push(u)}}return this.storedBoxes=this.storedBoxes.filter(o=>o!==null),this.detectedHands=a.length,a}};var z$={thumb:[1,2,3,4],indexFinger:[5,6,7,8],middleFinger:[9,10,11,12],ringFinger:[13,14,15,16],pinky:[17,18,19,20],palmBase:[0]},so,ao,L$;async function Ob(e,t){let n=await L$.estimateHands(e,t);if(!n)return[];let r=[];for(let s=0;s<n.length;s++){let a={};if(n[s].landmarks)for(let u of Object.keys(z$))a[u]=z$[u].map(c=>n[s].landmarks[c]);let o=n[s].landmarks,i=[Number.MAX_SAFE_INTEGER,Number.MAX_SAFE_INTEGER,0,0],l=[0,0,0,0];if(o&&o.length>0){for(let u of o)u[0]<i[0]&&(i[0]=u[0]),u[1]<i[1]&&(i[1]=u[1]),u[0]>i[2]&&(i[2]=u[0]),u[1]>i[3]&&(i[3]=u[1]);i[2]-=i[0],i[3]-=i[1],l=[i[0]/(e.shape[2]||0),i[1]/(e.shape[1]||0),i[2]/(e.shape[2]||0),i[3]/(e.shape[1]||0)]}else i=n[s].box?[Math.trunc(Math.max(0,n[s].box.topLeft[0])),Math.trunc(Math.max(0,n[s].box.topLeft[1])),Math.trunc(Math.min(e.shape[2]||0,n[s].box.bottomRight[0])-Math.max(0,n[s].box.topLeft[0])),Math.trunc(Math.min(e.shape[1]||0,n[s].box.bottomRight[1])-Math.max(0,n[s].box.topLeft[1]))]:[0,0,0,0],l=[n[s].box.topLeft[0]/(e.shape[2]||0),n[s].box.topLeft[1]/(e.shape[1]||0),(n[s].box.bottomRight[0]-n[s].box.topLeft[0])/(e.shape[2]||0),(n[s].box.bottomRight[1]-n[s].box.topLeft[1])/(e.shape[1]||0)];r.push({id:s,score:Math.round(100*n[s].confidence)/100,box:i,boxRaw:l,keypoints:o,annotations:a})}return r}async function Pb(e){!so||!ao?([so,ao]=await Promise.all([e.hand.enabled?Nt(Ct(e.modelBasePath,e.hand.detector.modelPath),{fromTFHub:e.hand.detector.modelPath.includes("tfhub.dev")}):null,e.hand.landmarks?Nt(Ct(e.modelBasePath,e.hand.skeleton.modelPath),{fromTFHub:e.hand.skeleton.modelPath.includes("tfhub.dev")}):null]),e.hand.enabled&&(!so||!so.modelUrl?fe("load model failed:",e.hand.detector.modelPath):e.debug&&fe("load model:",so.modelUrl),!ao||!ao.modelUrl?fe("load model failed:",e.hand.skeleton.modelPath):e.debug&&fe("load model:",ao.modelUrl))):(e.debug&&fe("cached model:",so.modelUrl),e.debug&&fe("cached model:",ao.modelUrl));let t=new _b(so);return L$=new Mb(t,ao),[so,ao]}var B$=["nose","leftEyeInside","leftEye","leftEyeOutside","rightEyeInside","rightEye","rightEyeOutside","leftEar","rightEar","leftMouth","rightMouth","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftPalm","rightPalm","leftIndex","rightIndex","leftPinky","rightPinky","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle","leftHeel","rightHeel","leftFoot","rightFoot","midHip","forehead","leftThumb","leftHand","rightThumb","rightHand"],W$=["nose","leftEyeInside","leftEye","leftEyeOutside","rightEyeInside","rightEye","rightEyeOutside","leftEar","rightEar","leftMouth","rightMouth","leftShoulder","rightShoulder","leftElbow","rightElbow","left:15","right:16","left:17","right:18","left:19","right:20","left:21","right:22","leftChest","rightChest","neck","forehead","left:27","right:28","left:29","right:30"];var sr;async function c0(e){return sr?e.debug&&fe("cached model:",sr.modelUrl):(sr=await Nt(Ct(e.modelBasePath,e.body.modelPath)),sr.width=parseInt(sr.signature.inputs["input_1:0"].tensorShape.dim[2].size),sr.height=parseInt(sr.signature.inputs["input_1:0"].tensorShape.dim[1].size),!sr||!sr.modelUrl?fe("load model failed:",e.body.modelPath):e.debug&&fe("load model:",sr.modelUrl)),sr}async function zb(e,t){var m;if(!sr)return[];if(!t.body.enabled)return[];let n={width:e.shape[2]||0,height:e.shape[1]||0},r=Ze.resizeBilinear(e,[sr.width,sr.height],!1),s=Je(r,[255]);r.dispose();let a=await sr.predict(s),o=((m=a.find(g=>g.size===195||g.size===155))==null?void 0:m.dataSync())||[];a.forEach(g=>g.dispose()),s.dispose();let i=[],l=(o==null?void 0:o.length)===195?B$:W$,u=5;for(let g=0;g<o.length/u;g++)i.push({id:g,part:l[g],position:[Math.trunc(n.width*o[u*g+0]/255),Math.trunc(n.height*o[u*g+1]/255),Math.trunc(o[u*g+2])+0],positionRaw:[o[u*g+0]/255,o[u*g+1]/255,o[u*g+2]+0],score:(100-Math.trunc(100/(1+Math.exp(o[u*g+3]))))/100,presence:(100-Math.trunc(100/(1+Math.exp(o[u*g+4]))))/100});let c=i.map(g=>g.position[0]),d=i.map(g=>g.position[1]),h=[Math.min(...c),Math.min(...d),Math.max(...c)-Math.min(...c),Math.max(...d)-Math.min(...c)],p=[0,0,0,0],f=i.reduce((g,y)=>y.score>g?y.score:g,0);return[{id:0,score:f,box:h,boxRaw:p,keypoints:i}]}var ar,Vs=[],Lb=[0,0,0,0],Bb=[0,0,0,0],d0=0,Wb=Number.MAX_SAFE_INTEGER,vwe=["head","neck","rightShoulder","rightElbow","rightWrist","chest","leftShoulder","leftElbow","leftWrist","pelvis","rightHip","rightKnee","rightAnkle","leftHip","leftKnee","leftAnkle"];async function V$(e){return ar?e.debug&&fe("cached model:",ar.modelUrl):(ar=await Nt(Ct(e.modelBasePath,e.body.modelPath)),!ar||!ar.modelUrl?fe("load model failed:",e.body.modelPath):e.debug&&fe("load model:",ar.modelUrl)),ar}function wwe(e,t){let[n,r]=e.shape;return Ve(()=>{let s=(i,l)=>Ue(i,pe(Je(i,ut(l,"int32")),ut(l,"int32"))),a=le(e,[r*n]),o=_a(a,0).dataSync()[0];if(o>t){let i=q2(a,0),l=s(i,n).dataSync()[0],u=Je(i,ut(n,"int32")).dataSync()[0];return[l,u,o]}return[0,0,o]})}async function Vb(e,t){return Wb<t.body.skipFrames&&t.skipFrame&&Object.keys(Vs).length>0?(Wb++,[{id:0,score:d0,box:Lb,boxRaw:Bb,keypoints:Vs}]):(Wb=0,new Promise(async n=>{let r=Ve(()=>{if(!ar.inputs[0].shape)return null;let u=Ze.resizeBilinear(e,[ar.inputs[0].shape[2],ar.inputs[0].shape[1]],!1);return pe(u,2).sub(1)}),s;if(t.body.enabled&&(s=await ar.predict(r)),r.dispose(),s){Vs.length=0;let u=s.squeeze();We(s);let c=u.unstack(2);We(u);for(let d=0;d<c.length;d++){let[h,p,f]=wwe(c[d],t.body.minConfidence);d0>t.body.minConfidence&&Vs.push({score:Math.round(100*f)/100,part:vwe[d],positionRaw:[h/ar.inputs[0].shape[2],p/ar.inputs[0].shape[1]],position:[Math.round(e.shape[2]*h/ar.inputs[0].shape[2]),Math.round(e.shape[1]*p/ar.inputs[0].shape[1])]})}c.forEach(d=>We(d))}d0=Vs.reduce((u,c)=>c.score>u?c.score:u,0);let a=Vs.map(u=>u.position[0]),o=Vs.map(u=>u.position[1]);Lb=[Math.min(...a),Math.min(...o),Math.max(...a)-Math.min(...a),Math.max(...o)-Math.min(...o)];let i=Vs.map(u=>u.positionRaw[0]),l=Vs.map(u=>u.positionRaw[1]);Bb=[Math.min(...i),Math.min(...l),Math.max(...i)-Math.min(...i),Math.max(...l)-Math.min(...l)],n([{id:0,score:d0,box:Lb,boxRaw:Bb,keypoints:Vs}])}))}var xs,Us=[],Ub=[0,0,0,0],Hb=[0,0,0,0],$u=0,Gb=Number.MAX_SAFE_INTEGER,kwe=["nose","leftEye","rightEye","leftEar","rightEar","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle"];async function jb(e){return xs?e.debug&&fe("cached model:",xs.modelUrl):(xs=await Nt(Ct(e.modelBasePath,e.body.modelPath)),!xs||!xs.modelUrl?fe("load model failed:",e.body.modelPath):e.debug&&fe("load model:",xs.modelUrl)),xs}async function qb(e,t){return Gb<t.body.skipFrames&&t.skipFrame&&Object.keys(Us).length>0?(Gb++,[{id:0,score:$u,box:Ub,boxRaw:Hb,keypoints:Us}]):(Gb=0,new Promise(async n=>{let r=Ve(()=>{if(!xs.inputs[0].shape)return null;let u=Ze.resizeBilinear(e,[xs.inputs[0].shape[2],xs.inputs[0].shape[1]],!1);return Mt(u,"int32")}),s;if(t.body.enabled&&(s=await xs.predict(r)),r.dispose(),s){Us.length=0;let u=s.arraySync();We(s);let c=u[0][0];for(let d=0;d<c.length;d++)$u=c[d][2],$u>t.body.minConfidence&&Us.push({score:Math.round(100*$u)/100,part:kwe[d],positionRaw:[c[d][1],c[d][0]],position:[Math.round((e.shape[2]||0)*c[d][1]),Math.round((e.shape[1]||0)*c[d][0])]})}$u=Us.reduce((u,c)=>c.score>u?c.score:u,0);let a=Us.map(u=>u.position[0]),o=Us.map(u=>u.position[1]);Ub=[Math.min(...a),Math.min(...o),Math.max(...a)-Math.min(...a),Math.max(...o)-Math.min(...o)];let i=Us.map(u=>u.positionRaw[0]),l=Us.map(u=>u.positionRaw[1]);Hb=[Math.min(...i),Math.min(...l),Math.max(...i)-Math.min(...i),Math.max(...l)-Math.min(...l)],n([{id:0,score:$u,box:Ub,boxRaw:Hb,keypoints:Us}])}))}var Ru=[{class:1,label:"person"},{class:2,label:"bicycle"},{class:3,label:"car"},{class:4,label:"motorcycle"},{class:5,label:"airplane"},{class:6,label:"bus"},{class:7,label:"train"},{class:8,label:"truck"},{class:9,label:"boat"},{class:10,label:"traffic light"},{class:11,label:"fire hydrant"},{class:12,label:"stop sign"},{class:13,label:"parking meter"},{class:14,label:"bench"},{class:15,label:"bird"},{class:16,label:"cat"},{class:17,label:"dog"},{class:18,label:"horse"},{class:19,label:"sheep"},{class:20,label:"cow"},{class:21,label:"elephant"},{class:22,label:"bear"},{class:23,label:"zebra"},{class:24,label:"giraffe"},{class:25,label:"backpack"},{class:26,label:"umbrella"},{class:27,label:"handbag"},{class:28,label:"tie"},{class:29,label:"suitcase"},{class:30,label:"frisbee"},{class:31,label:"skis"},{class:32,label:"snowboard"},{class:33,label:"sports ball"},{class:34,label:"kite"},{class:35,label:"baseball bat"},{class:36,label:"baseball glove"},{class:37,label:"skateboard"},{class:38,label:"surfboard"},{class:39,label:"tennis racket"},{class:40,label:"bottle"},{class:41,label:"wine 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drier"},{class:80,label:"toothbrush"}];var gr,Kb=[],Xb=Number.MAX_SAFE_INTEGER,h0=2.5;async function Zb(e){if(gr)e.debug&&fe("cached model:",gr.modelUrl);else{gr=await Nt(Ct(e.modelBasePath,e.object.modelPath));let t=Object.values(gr.modelSignature.inputs);if(gr.inputSize=Array.isArray(t)?parseInt(t[0].tensorShape.dim[2].size):null,!gr.inputSize)throw new Error(`Human: Cannot determine model inputSize: ${e.object.modelPath}`);!gr||!gr.modelUrl?fe("load model failed:",e.object.modelPath):e.debug&&fe("load model:",gr.modelUrl)}return gr}async function Iwe(e,t,n,r){let s=0,a=[];for(let u of[1,2,4])Ve(()=>{var g,y;let c=u*13,d=(g=e.find(A=>A.shape[1]===c**2&&A.shape[2]===Ru.length))==null?void 0:g.squeeze(),h=(y=e.find(A=>A.shape[1]===c**2&&A.shape[2]<Ru.length))==null?void 0:y.squeeze(),f=h.reshape([-1,4,h.shape[1]/4]).argMax(2).arraySync(),m=d.arraySync();for(let A=0;A<d.shape[0];A++)for(let x=0;x<d.shape[1];x++){let b=m[A][x];if(b>r.object.minConfidence&&x!==61){let 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gr.predict(o)),o.dispose();let l=await Iwe(i,gr.inputSize,r,t);Kb=l,n(l)}))}var yr,Jb=[],Qb=Number.MAX_SAFE_INTEGER;async function e3(e){if(yr)e.debug&&fe("cached model:",yr.modelUrl);else{yr=await Nt(Ct(e.modelBasePath,e.object.modelPath));let t=Object.values(yr.modelSignature.inputs);if(yr.inputSize=Array.isArray(t)?parseInt(t[0].tensorShape.dim[2].size):null,!yr.inputSize)throw new Error(`Human: Cannot determine model inputSize: ${e.object.modelPath}`);!yr||!yr.modelUrl?fe("load model failed:",e.object.modelPath):e.debug&&fe("load model:",yr.modelUrl)}return yr}async function Swe(e,t,n,r){if(!e)return[];let s=[],a=e.arraySync(),o=Xn(e);e.dispose();let i=na(o,6,1);o.dispose();let u=So([i[1],i[0],i[3],i[2]],1).squeeze(),c=i[4].squeeze(),d=i[5].squeeze();i.forEach(m=>m.dispose());let h=await Ze.nonMaxSuppressionAsync(u,c,r.object.maxDetected,r.object.iouThreshold,r.object.minConfidence);u.dispose(),c.dispose(),d.dispose();let p=h.dataSync();h.dispose();let f=0;for(let m of p){let 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s=e.naturalWidth||e.videoWidth||e.width||e.shape&&e.shape[1]>0,a=e.naturalHeight||e.videoHeight||e.height||e.shape&&e.shape[2]>0;if(!s||!a)return{tensor:null,canvas:Oe};let o=s,i=a;if(o>p0&&(o=p0,i=o*a/s),i>p0&&(i=p0,o=i*s/a),t.filter.width>0?o=t.filter.width:t.filter.height>0&&(o=s*(t.filter.height/a)),t.filter.height>0?i=t.filter.height:t.filter.width>0&&(i=a*(t.filter.width/s)),!o||!i)throw new Error("Human: Input cannot determine dimension");(!Oe||(Oe==null?void 0:Oe.width)!==o||(Oe==null?void 0:Oe.height)!==i)&&(Oe=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(o,i):document.createElement("canvas"),(Oe==null?void 0:Oe.width)!==o&&(Oe.width=o),(Oe==null?void 0:Oe.height)!==i&&(Oe.height=i));let l=Oe.getContext("2d");if(e instanceof ImageData?l.putImageData(e,0,0):t.filter.flip&&typeof l.translate!="undefined"?(l.translate(s,0),l.scale(-1,1),l.drawImage(e,0,0,s,a,0,0,Oe==null?void 0:Oe.width,Oe==null?void 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U$({canvas:Lt}):null),!tn)return{tensor:null,canvas:Oe};tn.reset(),tn.addFilter("brightness",t.filter.brightness),t.filter.contrast!==0&&tn.addFilter("contrast",t.filter.contrast),t.filter.sharpness!==0&&tn.addFilter("sharpen",t.filter.sharpness),t.filter.blur!==0&&tn.addFilter("blur",t.filter.blur),t.filter.saturation!==0&&tn.addFilter("saturation",t.filter.saturation),t.filter.hue!==0&&tn.addFilter("hue",t.filter.hue),t.filter.negative&&tn.addFilter("negative"),t.filter.sepia&&tn.addFilter("sepia"),t.filter.vintage&&tn.addFilter("brownie"),t.filter.sepia&&tn.addFilter("sepia"),t.filter.kodachrome&&tn.addFilter("kodachrome"),t.filter.technicolor&&tn.addFilter("technicolor"),t.filter.polaroid&&tn.addFilter("polaroid"),t.filter.pixelate!==0&&tn.addFilter("pixelate",t.filter.pixelate),tn.apply(Oe)}else Lt=Oe,tn&&(tn=null);let u;if(Lt.data){let c=[Lt.height,Lt.width,3];u=fp(Lt.data,c,"int32")}else if(Lt instanceof ImageData)u=Br?Br.fromPixels(Lt):null;else 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0:m.shape[2])||0;if(!e.tensor||!Pr||!Pr.inputs[0].shape)return null;let r=Ze.resizeBilinear(e.tensor,[Pr.inputs[0].shape[1],Pr.inputs[0].shape[2]],!1),s=r.div(255),a=Pr.predict(s);We(r),We(s);let o=Xn(a,0),i;if(o.shape[2]===2){let g=o.softmax(),[y,A]=pc(g,2),x=A.expandDims(2),b=x.expandDims(0);We(g),We(y),We(A);let v=Ze.cropAndResize(b,[[0,0,.5,.5]],[0],[t,n]);i=v.squeeze(0),We(v),We(x),We(b)}else i=Ze.resizeBilinear(o,[t,n]);if(typeof document=="undefined")return i.dataSync();let l=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(t,n):document.createElement("canvas");l.width=t,l.height=n,Br&&await Br.toPixels(i,l),We(i),We(o),We(a);let u=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(t,n):document.createElement("canvas");u.width=t,u.height=n;let c=u.getContext("2d");c.filter="blur(8px",await c.drawImage(l,0,0);let d=c.getImageData(0,0,t,n).data,h=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(t,n):document.createElement("canvas");h.width=t,h.height=n;let p=h.getContext("2d");return e.canvas&&await p.drawImage(e.canvas,0,0),p.globalCompositeOperation="darken",p.filter="blur(8px)",await p.drawImage(l,0,0),p.globalCompositeOperation="source-over",p.filter="none",e.canvas=h,d}async function H$(e,t,n){var a;if(n3)return null;n3=!0,Pr||await f0(n);let r=vi(e,n),s=await r3(r);if(We(r.tensor),t&&s){let o=vi(t,n),i=o.canvas;We(o.tensor);let l=r.canvas,u=(a=l.getContext("2d"))==null?void 0:a.getImageData(0,0,l.width,l.height).data,c=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(l.width,l.height):document.createElement("canvas");c.width=l.width,c.height=l.height;let d=c.getContext("2d");d.globalCompositeOperation="copy",d.drawImage(i,0,0,c.width,c.height);let h=d.getImageData(0,0,c.width,c.height);for(let p=0;p<c.width*c.height;p++)h.data[4*p+0]=(255-s[4*p+0])/255*h.data[4*p+0]+s[4*p+0]/255*u[4*p+0],h.data[4*p+1]=(255-s[4*p+1])/255*h.data[4*p+1]+s[4*p+1]/255*u[4*p+1],h.data[4*p+2]=(255-s[4*p+2])/255*h.data[4*p+2]+s[4*p+2]/255*u[4*p+2],h.data[4*p+3]=(255-s[4*p+3])/255*h.data[4*p+3]+s[4*p+3]/255*u[4*p+3];d.putImageData(h,0,0),r.canvas=c}return n3=!1,r.canvas}async function G$(e){e.config.async?[e.models.face,e.models.emotion,e.models.handpose,e.models.posenet,e.models.blazepose,e.models.efficientpose,e.models.movenet,e.models.nanodet,e.models.centernet,e.models.faceres,e.models.segmentation]=await Promise.all([e.models.face||(e.config.face.enabled?mb(e.config):null),e.models.emotion||(e.config.face.enabled&&e.config.face.emotion.enabled?kb(e.config):null),e.models.handpose||(e.config.hand.enabled?Pb(e.config):null),e.models.posenet||(e.config.body.enabled&&e.config.body.modelPath.includes("posenet")?Rb(e.config):null),e.models.blazepose||(e.config.body.enabled&&e.config.body.modelPath.includes("blazepose")?c0(e.config):null),e.models.efficientpose||(e.config.body.enabled&&e.config.body.modelPath.includes("efficientpose")?V$(e.config):null),e.models.movenet||(e.config.body.enabled&&e.config.body.modelPath.includes("movenet")?jb(e.config):null),e.models.nanodet||(e.config.object.enabled&&e.config.object.modelPath.includes("nanodet")?Zb(e.config):null),e.models.centernet||(e.config.object.enabled&&e.config.object.modelPath.includes("centernet")?e3(e.config):null),e.models.faceres||(e.config.face.enabled&&e.config.face.description.enabled?yb(e.config):null),e.models.segmentation||(e.config.segmentation.enabled?f0(e.config):null)]):(e.config.face.enabled&&!e.models.face&&(e.models.face=await mb(e.config)),e.config.face.enabled&&e.config.face.emotion.enabled&&!e.models.emotion&&(e.models.emotion=await kb(e.config)),e.config.hand.enabled&&!e.models.handpose&&(e.models.handpose=await Pb(e.config)),e.config.body.enabled&&!e.models.posenet&&e.config.body.modelPath.includes("posenet")&&(e.models.posenet=await Rb(e.config)),e.config.body.enabled&&!e.models.blazepose&&e.config.body.modelPath.includes("blazepose")&&(e.models.blazepose=await c0(e.config)),e.config.body.enabled&&!e.models.efficientpose&&e.config.body.modelPath.includes("efficientpose")&&(e.models.efficientpose=await c0(e.config)),e.config.body.enabled&&!e.models.movenet&&e.config.body.modelPath.includes("movenet")&&(e.models.movenet=await jb(e.config)),e.config.object.enabled&&!e.models.nanodet&&e.config.object.modelPath.includes("nanodet")&&(e.models.nanodet=await Zb(e.config)),e.config.object.enabled&&!e.models.centernet&&e.config.object.modelPath.includes("centernet")&&(e.models.centernet=await e3(e.config)),e.config.face.enabled&&e.config.face.description.enabled&&!e.models.faceres&&(e.models.faceres=await yb(e.config)),e.config.segmentation.enabled&&!e.models.segmentation&&(e.models.segmentation=await f0(e.config)))}var Nwe=e=>{let t=(d,h)=>Math.atan2(d[1]-h[1],d[0]-h[0]);if(!e.annotations.rightEyeIris||!e.annotations.leftEyeIris)return{bearing:0,strength:0};let n=[0,-.1],r=1,s=e.mesh[33][2]>e.mesh[263][2],a=s?e.mesh[473]:e.mesh[468],o=s?[(e.mesh[133][0]+e.mesh[33][0])/2,(e.mesh[133][1]+e.mesh[33][1])/2]:[(e.mesh[263][0]+e.mesh[362][0])/2,(e.mesh[263][1]+e.mesh[362][1])/2],i=s?[e.mesh[133][0]-e.mesh[33][0],e.mesh[23][1]-e.mesh[27][1]]:[e.mesh[263][0]-e.mesh[362][0],e.mesh[253][1]-e.mesh[257][1]],l=[(o[0]-a[0])/i[0]-n[0],r*(a[1]-o[1])/i[1]-n[1]],u=Math.sqrt(l[0]**2+l[1]**2);return u=Math.min(u,e.boxRaw[2]/2,e.boxRaw[3]/2),{bearing:(t([0,0],l)+Math.PI/2)%Math.PI,strength:u}},Cwe=(e,t)=>{let n=g=>{let y=Math.sqrt(g[0]*g[0]+g[1]*g[1]+g[2]*g[2]);return g[0]/=y,g[1]/=y,g[2]/=y,g},r=(g,y)=>{let A=g[0]-y[0],x=g[1]-y[1],b=g[2]-y[2];return[A,x,b]},s=(g,y)=>{let A=g[1]*y[2]-g[2]*y[1],x=g[2]*y[0]-g[0]*y[2],b=g[0]*y[1]-g[1]*y[0];return[A,x,b]},a=g=>{let[y,A,x,b,v,I,w,S,E]=g,D,$,R;return b<1?b>-1?(R=Math.asin(b),$=Math.atan2(-w,y),D=Math.atan2(-I,v)):(R=-Math.PI/2,$=-Math.atan2(S,E),D=0):(R=Math.PI/2,$=Math.atan2(S,E),D=0),{pitch:2*-D,yaw:2*-$,roll:2*-R}},o=g=>{let y=(x,b,v,I)=>Math.atan2(I-b,v-x);return{pitch:y(g[10][1],g[10][2],g[152][1],g[152][2]),yaw:y(g[33][0],g[33][2],g[263][0],g[263][2]),roll:y(g[33][0],g[33][1],g[263][0],g[263][1])}},i=e.meshRaw;if(!i||i.length<300)return{angle:{pitch:0,yaw:0,roll:0},matrix:[1,0,0,0,1,0,0,0,1],gaze:{bearing:0,strength:0}};let l=Math.max(e.boxRaw[2]*t[0],e.boxRaw[3]*t[1])/1.5,u=[i[10],i[152],i[234],i[454]].map(g=>[g[0]*t[0]/l,g[1]*t[1]/l,g[2]]),c=n(r(u[1],u[0])),d=n(r(u[3],u[2])),h=n(s(d,c));d=s(c,h);let p=[d[0],d[1],d[2],c[0],c[1],c[2],h[0],h[1],h[2]],f=a(p),m=i.length===478?Nwe(e):{bearing:0,strength:0};return{angle:f,matrix:p,gaze:m}},s3=async(e,t)=>{var c,d,h,p,f,m;let n,r,s,a,o,i,l=[];e.state="run:face",n=nt();let u=await m$(t,e.config);if(e.performance.face=Math.trunc(nt()-n),!t.shape||t.shape.length!==4)return[];if(!u)return[];for(let g=0;g<u.length;g++){if(e.analyze("Get Face"),!u[g].image||u[g].image.isDisposedInternal){fe("Face object is disposed:",u[g].image);continue}let y=Cwe(u[g],[t.shape[2],t.shape[1]]);e.analyze("Start Emotion:"),e.config.async?a=e.config.face.emotion.enabled?Ib(u[g].image||ns([]),e.config,g,u.length):{}:(e.state="run:emotion",n=nt(),a=e.config.face.emotion.enabled?await Ib(u[g].image||ns([]),e.config,g,u.length):{},e.performance.emotion=Math.trunc(nt()-n)),e.analyze("End Emotion:"),e.analyze("Start 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0:m.rightEyeIris)?Math.max(Math.abs(u[g].annotations.leftEyeIris[3][0]-u[g].annotations.leftEyeIris[1][0]),Math.abs(u[g].annotations.rightEyeIris[4][1]-u[g].annotations.rightEyeIris[2][1]))/t.shape[2]:0;l.push({...u[g],id:g,age:i.age,gender:i.gender,genderScore:i.genderScore,embedding:i.descriptor,emotion:a,iris:A!==0?Math.trunc(500/A/11.7)/100:0,rotation:y,tensor:e.config.face.detector.return?Xn(u[g].image):null}),We(u[g].image),u[g].image&&delete u[g].image,e.analyze("End Face")}return e.analyze("End FaceMesh:"),e.config.async&&(e.performance.face&&delete e.performance.face,e.performance.age&&delete e.performance.age,e.performance.gender&&delete e.performance.gender,e.performance.emotion&&delete e.performance.emotion),l};var j$=e=>{if(!e)return[];let t=[];for(let n=0;n<e.length;n++){let 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c=[];if(c.push(`face: ${Math.trunc(100*u.score)}%`),u.genderScore&&c.push(`${u.gender||""} ${Math.trunc(100*u.genderScore)}%`),u.age&&c.push(`age: ${u.age||""}`),u.iris&&c.push(`distance: ${u.iris}`),u.emotion&&u.emotion.length>0){let d=u.emotion.map(h=>`${Math.trunc(100*h.score)}% ${h.emotion}`);d.length>3&&(d.length=3),c.push(d.join(" "))}u.rotation&&u.rotation.angle&&u.rotation.gaze&&(u.rotation.angle.roll&&c.push(`roll: ${m0(u.rotation.angle.roll)}\xB0 yaw:${m0(u.rotation.angle.yaw)}\xB0 pitch:${m0(u.rotation.angle.pitch)}\xB0`),u.rotation.gaze.bearing&&c.push(`gaze: ${m0(u.rotation.gaze.bearing)}\xB0`)),c.length===0&&c.push("face"),s.fillStyle=r.color;for(let d=c.length-1;d>=0;d--){let h=Math.max(u.box[0],0),p=d*r.lineHeight+u.box[1];r.shadowColor&&r.shadowColor!==""&&(s.fillStyle=r.shadowColor,s.fillText(c[d],h+5,p+16)),s.fillStyle=r.labelColor,s.fillText(c[d],h+4,p+15)}if(s.lineWidth=1,u.mesh&&u.mesh.length>0){if(r.drawPoints)for(let d of u.mesh)a3(s,d[0],d[1],d[2],r);if(r.drawPolygons){s.lineWidth=1;for(let d=0;d<bi.length/3;d++){let h=[bi[d*3+0],bi[d*3+1],bi[d*3+2]].map(p=>u.mesh[p]);o3(s,h,r)}if(u.annotations&&u.annotations.leftEyeIris){s.strokeStyle=r.useDepth?"rgba(255, 200, 255, 0.3)":r.color,s.beginPath();let d=Math.abs(u.annotations.leftEyeIris[3][0]-u.annotations.leftEyeIris[1][0])/2,h=Math.abs(u.annotations.leftEyeIris[4][1]-u.annotations.leftEyeIris[2][1])/2;s.ellipse(u.annotations.leftEyeIris[0][0],u.annotations.leftEyeIris[0][1],d,h,0,0,2*Math.PI),s.stroke(),r.fillPolygons&&(s.fillStyle=r.useDepth?"rgba(255, 255, 200, 0.3)":r.color,s.fill())}if(u.annotations&&u.annotations.rightEyeIris){s.strokeStyle=r.useDepth?"rgba(255, 200, 255, 0.3)":r.color,s.beginPath();let d=Math.abs(u.annotations.rightEyeIris[3][0]-u.annotations.rightEyeIris[1][0])/2,h=Math.abs(u.annotations.rightEyeIris[4][1]-u.annotations.rightEyeIris[2][1])/2;s.ellipse(u.annotations.rightEyeIris[0][0],u.annotations.rightEyeIris[0][1],d,h,0,0,2*Math.PI),s.stroke(),r.fillPolygons&&(s.fillStyle=r.useDepth?"rgba(255, 255, 200, 0.3)":r.color,s.fill())}if(r.drawGaze&&((o=(a=u.rotation)==null?void 0:a.gaze)==null?void 0:o.strength)&&((l=(i=u.rotation)==null?void 0:i.gaze)==null?void 0:l.bearing)&&u.annotations.leftEyeIris&&u.annotations.rightEyeIris&&u.annotations.leftEyeIris[0]&&u.annotations.rightEyeIris[0]){s.strokeStyle="pink",s.beginPath();let d=[u.annotations.leftEyeIris[0][0]+Math.sin(u.rotation.gaze.bearing)*u.rotation.gaze.strength*u.box[3],u.annotations.leftEyeIris[0][1]+Math.cos(u.rotation.gaze.bearing)*u.rotation.gaze.strength*u.box[2]];s.moveTo(u.annotations.leftEyeIris[0][0],u.annotations.leftEyeIris[0][1]),s.lineTo(d[0],d[1]);let h=[u.annotations.rightEyeIris[0][0]+Math.sin(u.rotation.gaze.bearing)*u.rotation.gaze.strength*u.box[3],u.annotations.rightEyeIris[0][1]+Math.cos(u.rotation.gaze.bearing)*u.rotation.gaze.strength*u.box[2]];s.moveTo(u.annotations.rightEyeIris[0][0],u.annotations.rightEyeIris[0][1]),s.lineTo(h[0],h[1]),s.stroke()}}}}}async function J$(e,t,n){var a;let r=Fn(oo,n);if(!t||!e||!(e instanceof HTMLCanvasElement))return;let s=e.getContext("2d");if(!!s){s.lineJoin="round";for(let o=0;o<t.length;o++){if(s.strokeStyle=r.color,s.fillStyle=r.color,s.lineWidth=r.lineWidth,s.font=r.font,r.drawBoxes&&t[o].box&&((a=t[o].box)==null?void 0:a.length)===4&&(Ih(s,t[o].box[0],t[o].box[1],t[o].box[2],t[o].box[3],r),r.drawLabels&&(r.shadowColor&&r.shadowColor!==""&&(s.fillStyle=r.shadowColor,s.fillText(`body ${100*t[o].score}%`,t[o].box[0]+3,1+t[o].box[1]+r.lineHeight,t[o].box[2])),s.fillStyle=r.labelColor,s.fillText(`body ${100*t[o].score}%`,t[o].box[0]+2,0+t[o].box[1]+r.lineHeight,t[o].box[2]))),r.drawPoints)for(let i=0;i<t[o].keypoints.length;i++)s.fillStyle=r.useDepth&&t[o].keypoints[i].position[2]?`rgba(${127.5+2*(t[o].keypoints[i].position[2]||0)}, ${127.5-2*(t[o].keypoints[i].position[2]||0)}, 255, 0.5)`:r.color,a3(s,t[o].keypoints[i].position[0],t[o].keypoints[i].position[1],0,r);if(r.drawLabels&&(s.font=r.font,t[o].keypoints))for(let i of t[o].keypoints)s.fillStyle=r.useDepth&&i.position[2]?`rgba(${127.5+2*i.position[2]}, ${127.5-2*i.position[2]}, 255, 0.5)`:r.color,s.fillText(`${i.part} ${Math.trunc(100*i.score)}%`,i.position[0]+4,i.position[1]+4);if(r.drawPolygons&&t[o].keypoints){let i,l=[];l.length=0,i=t[o].keypoints.find(u=>u.part==="leftShoulder"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightShoulder"),i&&l.push([i.position[0],i.position[1]]),Sh(s,l,r),l.length=0,i=t[o].keypoints.find(u=>u.part==="rightShoulder"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightHip"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftHip"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftShoulder"),i&&l.push([i.position[0],i.position[1]]),l.length===4&&o3(s,l,r),l.length=0,i=t[o].keypoints.find(u=>u.part==="leftHip"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftKnee"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftAnkle"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftHeel"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftFoot"),i&&l.push([i.position[0],i.position[1]]),Sh(s,l,r),l.length=0,i=t[o].keypoints.find(u=>u.part==="rightHip"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightKnee"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightAnkle"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightHeel"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightFoot"),i&&l.push([i.position[0],i.position[1]]),Sh(s,l,r),l.length=0,i=t[o].keypoints.find(u=>u.part==="leftShoulder"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftElbow"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftWrist"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="leftPalm"),i&&l.push([i.position[0],i.position[1]]),Sh(s,l,r),l.length=0,i=t[o].keypoints.find(u=>u.part==="rightShoulder"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightElbow"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightWrist"),i&&l.push([i.position[0],i.position[1]]),i=t[o].keypoints.find(u=>u.part==="rightPalm"),i&&l.push([i.position[0],i.position[1]]),Sh(s,l,r)}}}}async function Q$(e,t,n){let r=Fn(oo,n);if(!t||!e||!(e instanceof HTMLCanvasElement))return;let s=e.getContext("2d");if(!!s){s.lineJoin="round",s.font=r.font;for(let a of t){if(r.drawBoxes&&(s.strokeStyle=r.color,s.fillStyle=r.color,Ih(s,a.box[0],a.box[1],a.box[2],a.box[3],r),r.drawLabels&&(r.shadowColor&&r.shadowColor!==""&&(s.fillStyle=r.shadowColor,s.fillText("hand",a.box[0]+3,1+a.box[1]+r.lineHeight,a.box[2])),s.fillStyle=r.labelColor,s.fillText("hand",a.box[0]+2,0+a.box[1]+r.lineHeight,a.box[2])),s.stroke()),r.drawPoints&&a.keypoints&&a.keypoints.length>0)for(let o of a.keypoints)s.fillStyle=r.useDepth?`rgba(${127.5+2*o[2]}, ${127.5-2*o[2]}, 255, 0.5)`:r.color,a3(s,o[0],o[1],0,r);if(r.drawLabels){let o=(i,l)=>{s.fillStyle=r.useDepth?`rgba(${127.5+2*i[i.length-1][2]}, ${127.5-2*i[i.length-1][2]}, 255, 0.5)`:r.color,s.fillText(l,i[i.length-1][0]+4,i[i.length-1][1]+4)};s.font=r.font,o(a.annotations.indexFinger,"index"),o(a.annotations.middleFinger,"middle"),o(a.annotations.ringFinger,"ring"),o(a.annotations.pinky,"pinky"),o(a.annotations.thumb,"thumb"),o(a.annotations.palmBase,"palm")}if(r.drawPolygons){let o=i=>{if(!!i)for(let l=0;l<i.length;l++)s.beginPath(),s.strokeStyle=r.useDepth?`rgba(${127.5+2*i[l][2]}, ${127.5-2*i[l][2]}, 255, 0.5)`:r.color,s.moveTo(i[l>0?l-1:0][0],i[l>0?l-1:0][1]),s.lineTo(i[l][0],i[l][1]),s.stroke()};s.lineWidth=r.lineWidth,o(a.annotations.indexFinger),o(a.annotations.middleFinger),o(a.annotations.ringFinger),o(a.annotations.pinky),o(a.annotations.thumb)}}}}async function eR(e,t,n){let r=Fn(oo,n);if(!t||!e||!(e instanceof HTMLCanvasElement))return;let s=e.getContext("2d");if(!!s){s.lineJoin="round",s.font=r.font;for(let a of t)if(r.drawBoxes){if(s.strokeStyle=r.color,s.fillStyle=r.color,Ih(s,a.box[0],a.box[1],a.box[2],a.box[3],r),r.drawLabels){let o=`${a.label} ${Math.round(100*a.score)}%`;r.shadowColor&&r.shadowColor!==""&&(s.fillStyle=r.shadowColor,s.fillText(o,a.box[0]+3,1+a.box[1]+r.lineHeight,a.box[2])),s.fillStyle=r.labelColor,s.fillText(o,a.box[0]+2,0+a.box[1]+r.lineHeight,a.box[2])}s.stroke()}}}async function Ewe(e,t,n){let r=Fn(oo,n);if(!t||!e||!(e instanceof HTMLCanvasElement))return;let s=e.getContext("2d");if(!!s){s.lineJoin="round",s.font=r.font;for(let a=0;a<t.length;a++)if(r.drawBoxes){if(s.strokeStyle=r.color,s.fillStyle=r.color,Ih(s,t[a].box[0],t[a].box[1],t[a].box[2],t[a].box[3],r),r.drawLabels){let o=`person #${a}`;r.shadowColor&&r.shadowColor!==""&&(s.fillStyle=r.shadowColor,s.fillText(o,t[a].box[0]+3,1+t[a].box[1]+r.lineHeight,t[a].box[2])),s.fillStyle=r.labelColor,s.fillText(o,t[a].box[0]+2,0+t[a].box[1]+r.lineHeight,t[a].box[2])}s.stroke()}}}async function $we(e,t){if(!e||!t||!(e instanceof HTMLCanvasElement)||!(t instanceof HTMLCanvasElement))return;let n=e.getContext("2d");n==null||n.drawImage(e,0,0)}async function Rwe(e,t,n){let r=nt(),s=Fn(oo,n);!t||!e||e instanceof HTMLCanvasElement&&(Y$(e,t.face,s),J$(e,t.body,s),Q$(e,t.hand,s),eR(e,t.object,s),Z$(e,t.gesture,s),t.performance.draw=Math.trunc(nt()-r))}function tR(e,t,n,r,s){var i,l,u,c,d,h,p,f,m,g,y,A,x,b,v,I;let a=0,o=[];for(let w of e){let S={id:a++,face:w,body:null,hands:{left:null,right:null},gestures:[],box:[0,0,0,0]};for(let M of t)w.box[0]>M.box[0]&&w.box[0]<M.box[0]+M.box[2]&&w.box[1]+w.box[3]>M.box[1]&&w.box[1]+w.box[3]<M.box[1]+M.box[3]&&(S.body=M);if(S.body)for(let M of n)M.box[0]+M.box[2]>S.body.box[0]&&M.box[0]+M.box[2]<S.body.box[0]+S.body.box[2]&&M.box[1]+M.box[3]>S.body.box[1]&&M.box[1]+M.box[3]<S.body.box[1]+S.body.box[3]&&S.hands&&(S.hands.left=M),M.box[0]<S.body.box[0]+S.body.box[2]&&M.box[0]>S.body.box[0]&&M.box[1]+M.box[3]>S.body.box[1]&&M.box[1]+M.box[3]<S.body.box[1]+S.body.box[3]&&S.hands&&(S.hands.right=M);for(let M of r)M.face!==void 0&&M.face===w.id?(i=S.gestures)==null||i.push(M):M.iris!==void 0&&M.iris===w.id?(l=S.gestures)==null||l.push(M):M.body!==void 0&&M.body===((u=S.body)==null?void 0:u.id)?(c=S.gestures)==null||c.push(M):M.hand!==void 0&&M.hand===((h=(d=S.hands)==null?void 0:d.left)==null?void 0:h.id)?(p=S.gestures)==null||p.push(M):M.hand!==void 0&&M.hand===((m=(f=S.hands)==null?void 0:f.right)==null?void 0:m.id)&&((g=S.gestures)==null||g.push(M));let E=[],D=[],$=M=>{M&&M.length===4&&(E.push(M[0],M[0]+M[2]),D.push(M[1],M[1]+M[3]))};$((y=S.face)==null?void 0:y.box),$((A=S.body)==null?void 0:A.box),$((b=(x=S.hands)==null?void 0:x.left)==null?void 0:b.box),$((I=(v=S.hands)==null?void 0:v.right)==null?void 0:I.box);let R=Math.min(...E),N=Math.min(...D);S.box=[R,N,Math.max(...E)-R,Math.max(...D)-N],s&&s.length===4&&(S.boxRaw=[S.box[0]/s[2],S.box[1]/s[1],S.box[2]/s[2],S.box[3]/s[1]]),o.push(S)}return o}var Le={face:[],body:[],hand:[],gesture:[],object:[],persons:[],performance:{},timestamp:0};function nR(e){var r,s,a,o,i,l,u,c,d,h,p,f,m,g,y,A,x,b,v,I,w;let t=Date.now()-e.timestamp,n=t<1e3?8-Math.log(t):1;if(Le.canvas=e.canvas,!Le.body||e.body.length!==Le.body.length)Le.body=JSON.parse(JSON.stringify(e.body));else for(let S=0;S<e.body.length;S++){let E=e.body[S].box.map((R,N)=>((n-1)*Le.body[S].box[N]+R)/n),D=e.body[S].boxRaw.map((R,N)=>((n-1)*Le.body[S].boxRaw[N]+R)/n),$=e.body[S].keypoints.map((R,N)=>({score:R.score,part:R.part,position:[Le.body[S].keypoints[N]?((n-1)*Le.body[S].keypoints[N].position[0]+R.position[0])/n:R.position[0],Le.body[S].keypoints[N]?((n-1)*Le.body[S].keypoints[N].position[1]+R.position[1])/n:R.position[1]],positionRaw:[Le.body[S].keypoints[N]?((n-1)*Le.body[S].keypoints[N].positionRaw[0]+R.positionRaw[0])/n:R.position[0],Le.body[S].keypoints[N]?((n-1)*Le.body[S].keypoints[N].positionRaw[1]+R.positionRaw[1])/n:R.position[1]]}));Le.body[S]={...e.body[S],box:E,boxRaw:D,keypoints:$}}if(!Le.hand||e.hand.length!==Le.hand.length)Le.hand=JSON.parse(JSON.stringify(e.hand));else for(let S=0;S<e.hand.length;S++){let E=e.hand[S].box.map((M,B)=>((n-1)*Le.hand[S].box[B]+M)/n),D=e.hand[S].boxRaw.map((M,B)=>((n-1)*Le.hand[S].boxRaw[B]+M)/n),$=e.hand[S].keypoints.map((M,B)=>M.map((q,X)=>((n-1)*Le.hand[S].keypoints[B][X]+q)/n)),R=Object.keys(e.hand[S].annotations),N={};for(let M of R)N[M]=e.hand[S].annotations[M].map((B,q)=>B.map((X,J)=>((n-1)*Le.hand[S].annotations[M][q][J]+X)/n));Le.hand[S]={...e.hand[S],box:E,boxRaw:D,keypoints:$,annotations:N}}if(!Le.face||e.face.length!==Le.face.length)Le.face=JSON.parse(JSON.stringify(e.face));else for(let S=0;S<e.face.length;S++){let E=e.face[S].box.map((R,N)=>((n-1)*Le.face[S].box[N]+R)/n),D=e.face[S].boxRaw.map((R,N)=>((n-1)*Le.face[S].boxRaw[N]+R)/n),$={matrix:[0,0,0,0,0,0,0,0,0],angle:{roll:0,yaw:0,pitch:0},gaze:{bearing:0,strength:0}};$.matrix=(r=e.face[S].rotation)==null?void 0:r.matrix,$.angle={roll:((n-1)*(((a=(s=Le.face[S].rotation)==null?void 0:s.angle)==null?void 0:a.roll)||0)+(((i=(o=e.face[S].rotation)==null?void 0:o.angle)==null?void 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H$(t,n,this.config)}enhance(t){return xb(t)}match(t,n,r=0){return x$(t,n,r)}async load(t){this.state="load";let n=nt();t&&(this.config=Fn(this.config,t)),Dn(this,wi)&&(this.config.debug&&fe(`version: ${this.version}`),this.config.debug&&fe(`tfjs version: ${this.tf.version_core}`),this.config.debug&&fe("platform:",this.sysinfo.platform),this.config.debug&&fe("agent:",this.sysinfo.agent),await Dn(this,Ch).call(this,!0),this.tf.ENV.flags.IS_BROWSER&&(this.config.debug&&fe("configuration:",this.config),this.config.debug&&fe("tf flags:",this.tf.ENV.flags))),await G$(this),Dn(this,wi)&&(this.config.debug&&fe("tf engine state:",this.tf.engine().state.numBytes,"bytes",this.tf.engine().state.numTensors,"tensors"),es(this,wi,!1));let r=Math.trunc(nt()-n);r>(this.performance.load||0)&&(this.performance.load=r)}async detect(t,n){return new Promise(async r=>{this.state="config";let s,a;this.config=Fn(this.config,n),this.state="check";let o=Dn(this,A0).call(this,t);o&&(fe(o,t),r({error:o}));let i=nt();await Dn(this,Ch).call(this),await this.load(),s=nt();let l=vi(t,this.config);if(this.performance.image=Math.trunc(nt()-s),this.analyze("Get Image:"),this.config.segmentation.enabled&&l&&l.tensor&&(this.analyze("Start Segmentation:"),this.state="run:segmentation",s=nt(),await r3(l),a=Math.trunc(nt()-s),a>0&&(this.performance.segmentation=a),l.canvas&&(l.tensor.dispose(),l=vi(l.canvas,this.config)),this.analyze("End Segmentation:")),!l||!l.tensor){fe("could not convert input to tensor"),r({error:"could not convert input to tensor"});return}s=nt(),this.config.skipFrame=await Dn(this,x0).call(this,l.tensor),this.performance.frames||(this.performance.frames=0),this.performance.cached||(this.performance.cached=0),this.performance.frames++,this.config.skipFrame&&this.performance.cached++,this.performance.changed=Math.trunc(nt()-s),this.analyze("Check Changed:");let u,c,d,h;this.config.async?(u=this.config.face.enabled?s3(this,l.tensor):[],this.performance.face&&delete this.performance.face):(this.state="run:face",s=nt(),u=this.config.face.enabled?await s3(this,l.tensor):[],a=Math.trunc(nt()-s),a>0&&(this.performance.face=a)),this.analyze("Start Body:"),this.config.async?(this.config.body.modelPath.includes("posenet")?c=this.config.body.enabled?$b(l.tensor,this.config):[]:this.config.body.modelPath.includes("blazepose")?c=this.config.body.enabled?zb(l.tensor,this.config):[]:this.config.body.modelPath.includes("efficientpose")?c=this.config.body.enabled?Vb(l.tensor,this.config):[]:this.config.body.modelPath.includes("movenet")&&(c=this.config.body.enabled?qb(l.tensor,this.config):[]),this.performance.body&&delete this.performance.body):(this.state="run:body",s=nt(),this.config.body.modelPath.includes("posenet")?c=this.config.body.enabled?await $b(l.tensor,this.config):[]:this.config.body.modelPath.includes("blazepose")?c=this.config.body.enabled?await zb(l.tensor,this.config):[]:this.config.body.modelPath.includes("efficientpose")?c=this.config.body.enabled?await Vb(l.tensor,this.config):[]:this.config.body.modelPath.includes("movenet")&&(c=this.config.body.enabled?await qb(l.tensor,this.config):[]),a=Math.trunc(nt()-s),a>0&&(this.performance.body=a)),this.analyze("End Body:"),this.analyze("Start Hand:"),this.config.async?(d=this.config.hand.enabled?Ob(l.tensor,this.config):[],this.performance.hand&&delete this.performance.hand):(this.state="run:hand",s=nt(),d=this.config.hand.enabled?await Ob(l.tensor,this.config):[],a=Math.trunc(nt()-s),a>0&&(this.performance.hand=a)),this.analyze("End Hand:"),this.analyze("Start Object:"),this.config.async?(this.config.object.modelPath.includes("nanodet")?h=this.config.object.enabled?Yb(l.tensor,this.config):[]:this.config.object.modelPath.includes("centernet")&&(h=this.config.object.enabled?t3(l.tensor,this.config):[]),this.performance.object&&delete this.performance.object):(this.state="run:object",s=nt(),this.config.object.modelPath.includes("nanodet")?h=this.config.object.enabled?await Yb(l.tensor,this.config):[]:this.config.object.modelPath.includes("centernet")&&(h=this.config.object.enabled?await t3(l.tensor,this.config):[]),a=Math.trunc(nt()-s),a>0&&(this.performance.object=a)),this.analyze("End Object:"),this.config.async&&([u,c,d,h]=await Promise.all([u,c,d,h]));let p=[];this.config.gesture.enabled&&(s=nt(),p=[...q$(u),...j$(c),...X$(d),...K$(u)],this.config.async?this.performance.gesture&&delete this.performance.gesture:this.performance.gesture=Math.trunc(nt()-s)),this.performance.total=Math.trunc(nt()-i),this.state="idle",this.result={face:u,body:c,hand:d,gesture:p,object:h,performance:this.performance,canvas:l.canvas,timestamp:Date.now(),get persons(){var f;return tR(u,c,d,p,(f=l==null?void 0:l.tensor)==null?void 0:f.shape)}},We(l.tensor),r(this.result)})}async warmup(t){let n=nt();if(t&&(this.config=Fn(this.config,t)),!this.config.warmup||this.config.warmup==="none")return{error:"null"};let r;typeof createImageBitmap=="function"?r=await Dn(this,b0).call(this):typeof Image!="undefined"?r=await Dn(this,v0).call(this):r=await Dn(this,w0).call(this);let s=nt();return this.config.debug&&fe("Warmup",this.config.warmup,Math.round(s-n),"ms",r),r}};_u=new WeakMap,Th=new WeakMap,Nh=new WeakMap,wi=new WeakMap,ki=new WeakMap,Du=new WeakMap,A0=new WeakMap,Ch=new WeakMap,x0=new WeakMap,b0=new WeakMap,v0=new WeakMap,w0=new WeakMap;return Dwe;})();
/**
 * @license
 * Copyright 2017 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2018 Google LLC
 *
 * Use of this source code is governed by an MIT-style
 * license that can be found in the LICENSE file or at
 * https://opensource.org/licenses/MIT.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * =============================================================================
 */
/**
 * @license
 * Copyright 2018 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Use of this source code is governed by an MIT-style
 * license that can be found in the LICENSE file or at
 * https://opensource.org/licenses/MIT.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * =============================================================================
 */
/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2020 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2020 Google LLC
 *
 * Use of this source code is governed by an MIT-style
 * license that can be found in the LICENSE file or at
 * https://opensource.org/licenses/MIT.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
 * @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/** @license See the LICENSE file. */