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human
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human/dist/human.esm.js

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/*
Human library
homepage: <https://github.com/vladmandic/human>
author: <https://github.com/vladmandic>'
*/
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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:a,asyncInit:r}=this.initializeBackend(n);if(r||a)return{name:n,asyncInit:r}}throw new Error("Could not initialize any backends, all backend initializations failed.")}moveData(e,t){let n=this.state.tensorInfo.get(t),a=n.backend,r=this.readSync(t),s=a.refCount(t);a.disposeData(t,!0),n.backend=e,e.move(t,r,n.shape,n.dtype,s),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 a;return this.scopedRun(()=>this.startScope(n),()=>this.endScope(a),()=>(a=t(),a instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),a))}scopedRun(e,t,n){e();try{let a=n();return t(),a}catch(a){throw t(),a}}nextTensorId(){return zu.nextTensorId++}nextVariableId(){return zu.nextVariableId++}clone(e){let t=D.runKernel(ks,{x:e}),n={x:e},a=s=>({x:()=>{let i="float32",o={x:s},l={dtype:i};return D.runKernel(ds,o,l)}}),r=[];return this.addTapeNode(this.state.activeScope.name,n,[t],a,r,{}),t}runKernel(e,t,n){if(rc(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 a=this.backend.numDataIds(),r=0;n.forEach(o=>{r+=o.dtype==="complex64"?3:1});let s=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],i=a-t-r-s;if(i>0)throw new Error(`Backend '${this.backendName}' has an internal memory leak (${i} data ids) after running '${e}'`)}runKernelFunc(e){let t,n=[],a=this.isTapeOn(),r=this.state.numBytes,s=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);let i;this.backendName==null&&this.backend;let o,l=Tm(e)?e.kernelName:this.state.activeScope!=null?this.state.activeScope.name:"";if(Tm(e)){let{kernelName:h,inputs:m,attrs:f}=e;this.backendName==null&&this.backend;let A=rc(h,this.backendName);F(A!=null,()=>`Cannot find registered kernel '${h}' for backend '${this.backendName}'`),i=()=>{let y=this.backend.numDataIds();o=A.kernelFunc({inputs:m,attrs:f,backend:this.backend});let g=Array.isArray(o)?o:[o];this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(h,y,g);let x=g.map(k=>{if(k.rank!=null)return k;let{dataId:b,shape:v,dtype:I}=k;return this.makeTensorFromDataId(b,v,I)});if(a){let k=this.getTensorsForGradient(h,m,x);n=this.saveTensorsForBackwardMode(k)}return x}}else{let{forwardFunc:h}=e,m=f=>{!a||(n=f.map(A=>this.keep(this.clone(A))))};i=()=>{let f=this.backend.numDataIds();o=this.tidy(()=>h(this.backend,m));let A=Array.isArray(o)?o:[o];return this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(l,f,A),A}}let{inputs:d,attrs:u}=e,p=Tm(e)?null:e.backwardsFunc,c;return this.scopedRun(()=>this.state.kernelDepth++,()=>this.state.kernelDepth--,()=>{!this.ENV.getBool("DEBUG")&&!this.state.profiling?t=i():(c=this.profiler.profileKernel(l,d,()=>i()),this.ENV.getBool("DEBUG")&&this.profiler.logKernelProfile(c),t=c.outputs)}),a&&this.addTapeNode(l,d,t,p,n,u),this.state.profiling&&this.state.activeProfile.kernels.push({name:l,bytesAdded:this.state.numBytes-r,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-s,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(d).map(h=>d[h]!=null?d[h].shape:null),outputShapes:t.map(h=>h.shape),kernelTimeMs:c.timeMs,extraInfo:c.extraInfo}),Array.isArray(o)?t:t[0]}saveTensorsForBackwardMode(e){return e.map(t=>this.keep(this.clone(t)))}getTensorsForGradient(e,t,n){let a=xm(e);if(a!=null){let r=a.inputsToSave||[],s=a.outputsToSave||[],i;a.saveAllInputs?(F(Array.isArray(t),()=>"saveAllInputs is true, expected inputs to be an array."),i=Object.keys(t).map(l=>t[l])):i=r.map(l=>t[l]);let o=n.filter((l,d)=>s[d]);return i.concat(o)}return[]}makeTensor(e,t,n,a){if(e==null)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",a=a||this.backend;let r=e;n==="string"&&vr(e[0])&&(r=e.map(o=>Mu(o)));let s=a.write(r,t,n),i=new Le(t,n,s,this.nextTensorId());if(this.trackTensor(i,a),n==="string"){let o=this.state.tensorInfo.get(s),l=bx(r);this.state.numBytes+=l-o.bytes,o.bytes=l}return i}makeTensorFromDataId(e,t,n,a){n=n||"float32";let r=new Le(t,n,e,this.nextTensorId());return this.trackTensor(r,a),r}makeVariable(e,t=!0,n,a){n=n||this.nextVariableId().toString(),a!=null&&a!==e.dtype&&(e=e.cast(a));let r=new Ou(e,t,n,this.nextTensorId());if(this.state.registeredVariables[r.name]!=null)throw new Error(`Variable with name ${r.name} was already registered`);return this.state.registeredVariables[r.name]=r,this.incRef(r,this.backend),r}trackTensor(e,t){this.state.numTensors++,e.dtype==="string"&&this.state.numStringTensors++;let n=0;e.dtype!=="complex64"&&e.dtype!=="string"&&(n=e.size*cm(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 Ou||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*cm(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(a=>a.totalBytesSnapshot)),this.state.activeProfile.newBytes=this.state.numBytes-t,this.state.activeProfile.newTensors=this.state.numTensors-n;for(let a of this.state.activeProfile.kernels)a.kernelTimeMs=await a.kernelTimeMs,a.extraInfo=await a.extraInfo;return this.state.activeProfile}isTapeOn(){return this.state.gradientDepth>0&&this.state.kernelDepth===0}addTapeNode(e,t,n,a,r,s){let i={id:this.state.nextTapeNodeId++,kernelName:e,inputs:t,outputs:n,saved:r},o=xm(e);o!=null&&(a=o.gradFunc),a!=null&&(i.gradient=l=>(l=l.map((d,u)=>{if(d==null){let p=n[u],c=Sp(p.size,p.dtype);return this.makeTensor(c,p.shape,p.dtype)}return d}),a(l.length>1?l:l[0],r,s))),this.state.activeTape.push(i)}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=vm(e),n=new Set(t.map(r=>r.id));for(let r=0;r<this.state.activeScope.track.length;r++){let s=this.state.activeScope.track[r];!s.kept&&!n.has(s.id)&&s.dispose()}let a=this.state.scopeStack.pop();this.state.activeScope=this.state.scopeStack.length===0?null:this.state.scopeStack[this.state.scopeStack.length-1],t.forEach(r=>{!r.kept&&r.scopeId===a.id&&this.track(r)})}gradients(e,t,n,a=!1){if(F(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 r=this.scopedRun(()=>this.startTape(),()=>this.endTape(),()=>this.tidy("forward",e));F(r instanceof Le,()=>"The result y returned by f() must be a tensor.");let s=HI(this.state.activeTape,t,r);if(!a&&s.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 i={};i[r.id]=n==null?nS(r.shape):n,GI(i,s,l=>this.tidy(l),aS);let o=t.map(l=>i[l.id]);return this.state.gradientDepth===0&&(this.state.activeTape.forEach(l=>{for(let d of l.saved)d.dispose()}),this.state.activeTape=null),{value:r,grads:o}})}customGrad(e){return F(wr(e),()=>"The f passed in customGrad(f) must be a function."),(...t)=>{F(t.every(i=>i instanceof Le),()=>"The args passed in customGrad(f)(x1, x2,...) must all be tensors");let n,a={};t.forEach((i,o)=>{a[o]=i});let r=(i,o)=>(n=e(...t,o),F(n.value instanceof Le,()=>"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"),F(wr(n.gradFunc),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."),n.value),s=(i,o)=>{let l=n.gradFunc(i,o),d=Array.isArray(l)?l:[l];F(d.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(...)."),F(d.every(p=>p instanceof Le),()=>"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 u={};return d.forEach((p,c)=>{u[c]=()=>p}),u};return this.runKernelFunc({forwardFunc:r,backwardsFunc:s,inputs:a})}}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=Ru(),n=await this.backend.time(e);return n.wallMs=Ru()-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 Dx;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}};zu.nextTensorId=0;zu.nextVariableId=0;function nS(e){let t=hm(Tt(e),"float32");return D.makeTensor(t,e,"float32")}function Ox(){let e=Nx();if(e._tfengine==null){let t=new Sx(e);e._tfengine=new zu(t)}return $I(e._tfengine.ENV),ZI(()=>e._tfengine),e._tfengine}var D=Ox();function aS(e,t){let n={a:e,b:t};return D.runKernel(kr,n)}var _u={};Fe(_u,{isBrowser:()=>zx,isMobile:()=>rS});function sS(){return typeof navigator!="undefined"&&navigator!=null}function rS(e){if(e||sS()){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 zx(){return typeof window!="undefined"&&window.document!=null||typeof WorkerGlobalScope!="undefined"}var ya=J();ya.registerFlag("DEBUG",()=>!1,e=>{e&&console.warn("Debugging mode is ON. The output of every math call will be downloaded to CPU and checked for NaNs. 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Got strides ${n} and dilations '${i}'`);let o=s,l=!1;s.rank===3&&(l=!0,o=H(s,[1,s.shape[0],s.shape[1],s.shape[2]])),F(o.rank===4,()=>`Error in avgPool: x must be rank 4 but got rank ${o.rank}.`),r!=null&&F(Vt(a),()=>`Error in avgPool: pad must be an integer when using, dimRoundingMode ${r} but got pad ${a}.`);let d={x:o},u={filterSize:t,strides:n,pad:a,dimRoundingMode:r},p=D.runKernel(ls,d,u);return p=Ae(p,s.dtype),l?H(p,[p.shape[1],p.shape[2],p.shape[3]]):p}var ju=O({avgPool_:oT});function lT(e,t,n,a,r,s="NDHWC"){let i=M(e,"x","avgPool3d","float32"),o=i,l=!1;i.rank===4&&(l=!0,o=H(i,[1,i.shape[0],i.shape[1],i.shape[2],i.shape[3]])),F(o.rank===5,()=>`Error in avgPool3d: x must be rank 5 but got rank ${o.rank}.`),F(s==="NDHWC",()=>`Error in avgPool3d: Only NDHWC is currently supported, but got dataFormat of ${s}`),r!=null&&F(Vt(a),()=>`Error in avgPool3d: pad must be an integer when using, dimRoundingMode ${r} but got pad ${a}.`);let d={x:o},u={filterSize:t,strides:n,pad:a,dimRoundingMode:r,dataFormat:s},p=D.runKernel(fu,d,u);return p=Ae(p,o.dtype),l?H(p,[p.shape[1],p.shape[2],p.shape[3],p.shape[4]]):p}var rA=O({avgPool3d_:lT});function uT(e,t=0){F(e.length>=1,()=>"Pass at least one tensor to concat");let n=Pu(e,"tensors","concat","string_or_numeric");if(n[0].dtype==="complex64"&&n.forEach(s=>{if(s.dtype!=="complex64")throw new Error(`Cannot concatenate complex64 tensors with a tensor
with dtype ${s.dtype}. `)}),n.length===1)return Oa(n[0]);let a=n,r={axis:t};return D.runKernel(po,a,r)}var ot=O({concat_:uT});function dT(e){let t={x:M(e,"x","sigmoid")};return D.runKernel(Hs,t)}var wn=O({sigmoid_:dT});function pT(e,t,n){let a=M(e,"x","slice","string_or_numeric");if(a.rank===0)throw new Error("Slicing scalar is not possible");let r={x:a},s={begin:t,size:n};return D.runKernel(Ho,r,s)}var Me=O({slice_:pT});function cT(e){let t={x:M(e,"x","tanh")};return D.runKernel(Js,t)}var di=O({tanh_:cT});function hT(e,t,n,a,r,s){let i=M(e,"forgetBias","basicLSTMCell"),o=M(t,"lstmKernel","basicLSTMCell"),l=M(n,"lstmBias","basicLSTMCell"),d=M(a,"data","basicLSTMCell"),u=M(r,"c","basicLSTMCell"),p=M(s,"h","basicLSTMCell"),c=ot([d,p],1),h=Be(c,o),m=se(h,l),f=m.shape[0],A=m.shape[1]/4,y=[f,A],g=Me(m,[0,0],y),x=Me(m,[0,A],y),k=Me(m,[0,A*2],y),b=Me(m,[0,A*3],y),v=se(B(wn(g),di(x)),B(u,wn(se(i,k)))),I=B(di(v),wn(b));return[v,I]}var fT=O({basicLSTMCell_:hT});function mT(e,t,n){let a=M(e,"x","batchToSpaceND"),r=t.reduce((o,l)=>o*l);F(a.rank>=1+t.length,()=>`input rank is ${a.rank} but should be > than blockShape.length ${t.length}`),F(n.length===t.length,()=>`crops.length is ${n.length} but should be equal to blockShape.length ${t.length}`),F(a.shape[0]%r==0,()=>`input tensor batch is ${a.shape[0]} but is not divisible by the product of the elements of blockShape ${t.join(" * ")} === ${r}`);let s={x:a},i={blockShape:t,crops:n};return D.runKernel(mu,s,i)}var Uu=O({batchToSpaceND_:mT});function AT(e){let t;return e.rank===0||e.rank===1?t=H(e,[1,1,1,e.size]):e.rank===2?t=H(e,[1,1,e.shape[0],e.shape[1]]):e.rank===3?t=H(e,[1,e.shape[0],e.shape[1],e.shape[2]]):t=e,t}function yT(e,t,n,a,r,s){s==null&&(s=.001);let i=M(e,"x","batchNorm"),o=M(t,"mean","batchNorm"),l=M(n,"variance","batchNorm"),d;r!=null&&(d=M(r,"scale","batchNorm"));let u;a!=null&&(u=M(a,"offset","batchNorm")),F(o.rank===l.rank,()=>"Batch normalization gradient requires mean and variance to have equal 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${d.rank}.`),u!=null&&F(u.rank===2||u.rank===1,()=>`Error in batchNorm2D: offset must be rank 2 or rank 1 but got rank ${u.rank}.`),pi(i,o,l,u,d,s)}var Ib=O({batchNorm2d_:gT});function xT(e,t,n,a,r,s){let i=M(e,"x","batchNorm"),o=M(t,"mean","batchNorm"),l=M(n,"variance","batchNorm"),d;r!=null&&(d=M(r,"scale","batchNorm"));let u;return a!=null&&(u=M(a,"offset","batchNorm")),F(i.rank===3,()=>`Error in batchNorm3D: x must be rank 3 but got rank ${i.rank}.`),F(o.rank===3||o.rank===1,()=>`Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank ${o.rank}.`),F(l.rank===3||l.rank===1,()=>`Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank ${l.rank}.`),d!=null&&F(d.rank===3||d.rank===1,()=>`Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank ${d.rank}.`),u!=null&&F(u.rank===3||u.rank===1,()=>`Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank ${u.rank}.`),pi(i,o,l,u,d,s)}var Sb=O({batchNorm3d_:xT});function bT(e,t,n,a,r,s){let i=M(e,"x","batchNorm"),o=M(t,"mean","batchNorm"),l=M(n,"variance","batchNorm"),d;r!=null&&(d=M(r,"scale","batchNorm"));let u;return a!=null&&(u=M(a,"offset","batchNorm")),F(i.rank===4,()=>`Error in batchNorm4D: x must be rank 4 but got rank ${i.rank}.`),F(o.rank===4||o.rank===1,()=>`Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank ${o.rank}.`),F(l.rank===4||l.rank===1,()=>`Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank ${l.rank}.`),d!=null&&F(d.rank===4||d.rank===1,()=>`Error in batchNorm4D: scale must be rank 4 or rank 1 but got rank ${d.rank}.`),u!=null&&F(u.rank===4||u.rank===1,()=>`Error in batchNorm4D: offset must be rank 4 or rank 1 but got rank ${u.rank}.`),pi(i,o,l,u,d,s)}var Nb=O({batchNorm4d_:bT});function vT(e,t,n){let a=M(e,"x","bincount"),r=M(t,"weights","bincount");F(a.dtype==="int32",()=>`Error in bincount: input dtype must be int32, but got ${a.dtype}`),F(n>=0,()=>`size must be non-negative, but got ${n}.`),F(r.size===a.size||r.size===0,()=>`Error in bincount: weights must have the same size as input or0-length, but got input shape: ${a.shape}, weights shape: ${r.shape}.`);let s={x:a,weights:r},i={size:n};return D.runKernel(Ep,s,i)}var Tb=O({bincount_:vT});function wT(e,t){let n=M(e,"broadcastTo","x"),a=n.shape;if(t.some(l=>!(l>0)||l%1!=0))throw new Error(`broadcastTo(): Invalid broadcast shape [${t}].`);if(t.length<n.rank)throw new Error(`broadcastTo(): shape.length=${t.length} < input.rank=${n.rank}.`);if(t.length>n.rank){let l=n.shape.slice();for(;l.length<t.length;)l.unshift(1);n=H(n,l)}let r=n.shape,s=Array.from(t);for(let l=t.length-1;l>=0;l--)if(r[l]===t[l])s[l]=1;else if(n.shape[l]!==1)throw new Error(`broadcastTo(): [${a}] cannot be broadcast to [${t}].`);if(s.map((l,d)=>l>1?d:-1).filter(l=>l>=0).length===0)return Oa(n);let i={x:n},o={reps:s};return D.runKernel(Sr,i,o)}var pl=O({broadcastTo_:wT});function kT(e){let t={x:M(e,"x","ceil")};return D.runKernel(ps,t)}var sA=O({ceil_:kT});function IT(e,t,n){let a=M(e,"x","clipByValue");F(t<=n,()=>`Error in clip: min (${t}) must be less than or equal to max (${n}).`);let r={x:a},s={clipValueMin:t,clipValueMax:n};return D.runKernel(Ir,r,s)}var kn=O({clipByValue_:IT});function ST(e){return ot(e,0)}var Eb=O({concat1d_:ST});function NT(e,t){return ot(e,t)}var cl=O({concat2d_:NT});function TT(e,t){return ot(e,t)}var Cb=O({concat3d_:TT});function ET(e,t){return ot(e,t)}var Rb=O({concat4d_:ET});function CT(e,t,n,a,r="NHWC",s=[1,1],i){let o=M(e,"x","conv2d"),l=M(t,"filter","conv2d"),d=o,u=!1;o.rank===3&&(u=!0,d=H(o,[1,o.shape[0],o.shape[1],o.shape[2]])),F(d.rank===4,()=>`Error in conv2d: input must be rank 4, but got rank ${d.rank}.`),F(l.rank===4,()=>`Error in conv2d: filter must be rank 4, but got rank ${l.rank}.`),i!=null&&F(Vt(a),()=>`Error in conv2d: pad must be an integer when using, dimRoundingMode ${i} but got pad ${a}.`);let p=r==="NHWC"?d.shape[3]:d.shape[1];F(p===l.shape[2],()=>`Error in conv2d: depth of input (${p}) must match input depth for filter ${l.shape[2]}.`),F(za(n,s),()=>`Error in conv2D: Either strides or dilations must be 1. Got strides ${n} and dilations '${s}'`);let c={x:d,filter:l},h={strides:n,pad:a,dataFormat:r,dilations:s,dimRoundingMode:i},m=D.runKernel(cs,c,h);return u?H(m,[m.shape[1],m.shape[2],m.shape[3]]):m}var ar=O({conv2d_:CT});function RT(e,t,n,a,r="NWC",s=1,i){let o=M(e,"x","conv1d"),l=M(t,"filter","conv1d"),d=o,u=!1;o.rank===2&&(u=!0,d=H(o,[1,o.shape[0],o.shape[1]])),F(d.rank===3,()=>`Error in conv1d: input must be rank 3, but got rank ${d.rank}.`),F(l.rank===3,()=>`Error in conv1d: filter must be rank 3, but got rank ${l.rank}.`),i!=null&&F(Vt(a),()=>`Error in conv1d: pad must be an integer when using, dimRoundingMode ${i} but got pad ${a}.`),F(d.shape[2]===l.shape[1],()=>`Error in conv1d: depth of input (${d.shape[2]}) must match input depth for filter ${l.shape[1]}.`),F(za(n,s),()=>`Error in conv1D: Either stride or dilation must be 1. Got stride ${n} and dilation '${s}'`),F(r==="NWC",()=>`Error in conv1d: got dataFormat of ${r} but only NWC is currently supported.`);let p=H(l,[1,l.shape[0],l.shape[1],l.shape[2]]),c=H(d,[d.shape[0],1,d.shape[1],d.shape[2]]),h=ar(c,p,[1,n],a,"NHWC",[1,s],i);return u?H(h,[h.shape[2],h.shape[3]]):H(h,[h.shape[0],h.shape[2],h.shape[3]])}var gc=O({conv1d_:RT});function MT(e,t,n,a,r,s="NHWC",i){F(e.length===t.rank,()=>`Length of inShape (${e.length}) and rank of dy (${t.rank}) must match`);let o=e,l=t,d=!1;t.rank===3&&(d=!0,l=H(t,[1,t.shape[0],t.shape[1],t.shape[2]]),o=[1,e[0],e[1],e[2]]),F(o.length===4,()=>`Error in conv2dDerInput: inShape must be length 4, but got length ${o.length}.`),F(l.rank===4,()=>`Error in conv2dDerInput: dy must be rank 4, but got rank ${l.rank}`),F(n.rank===4,()=>`Error in conv2dDerInput: filter must be rank 4, but got rank ${n.rank}`);let u=s==="NHWC"?o[3]:o[1],p=s==="NHWC"?l.shape[3]:l.shape[1];F(u===n.shape[2],()=>`Error in conv2dDerInput: depth of input (${u}) must match input depth for filter ${n.shape[2]}.`),F(p===n.shape[3],()=>`Error in conv2dDerInput: depth of output (${p}) must match output depth for filter ${n.shape[3]}.`),i!=null&&F(Vt(r),()=>`Error in conv2dDerInput: pad must be an integer when using, dimRoundingMode ${i} but got pad ${r}.`);let c={dy:l,filter:n},h={strides:a,pad:r,dataFormat:s,dimRoundingMode:i,inputShape:o},m=D.runKernel(hs,c,h);return d?H(m,[m.shape[1],m.shape[2],m.shape[3]]):m}var iA=O({conv2DBackpropInput_:MT});function FT(e,t,n,a,r,s){let i=M(e,"x","conv2dTranspose"),o=M(t,"filter","conv2dTranspose");return iA(n,i,o,a,r,"NHWC",s)}var xc=O({conv2dTranspose_:FT});function $T(e,t,n,a,r="NDHWC",s=[1,1,1]){let i=M(e,"x","conv3d"),o=M(t,"filter","conv3d"),l=i,d=!1;i.rank===4&&(d=!0,l=H(i,[1,i.shape[0],i.shape[1],i.shape[2],i.shape[3]])),F(l.rank===5,()=>`Error in conv3d: input must be rank 5, but got rank ${l.rank}.`),F(o.rank===5,()=>`Error in conv3d: filter must be rank 5, but got rank ${o.rank}.`),F(l.shape[4]===o.shape[3],()=>`Error in conv3d: depth of input (${l.shape[4]}) must match input depth for filter ${o.shape[3]}.`),F(za(n,s),()=>`Error in conv3D: Either strides or dilations must be 1. Got strides ${n} and dilations '${s}'`),F(r==="NDHWC",()=>`Error in conv3d: got dataFormat of ${r} but only NDHWC is currently supported.`);let u={x:l,filter:o},p={strides:n,pad:a,dataFormat:r,dilations:s},c=D.runKernel(yu,u,p);return d?H(c,[c.shape[1],c.shape[2],c.shape[3],c.shape[4]]):c}var oA=O({conv3d_:$T});function DT(e,t,n,a,r){F(e.length===t.rank,()=>`Length of inShape (${e.length}) and rank of dy (${t.rank}) must match`);let s=e,i=t,o=!1;t.rank===4&&(o=!0,i=H(t,[1,t.shape[0],t.shape[1],t.shape[2],t.shape[3]]),s=[1,e[0],e[1],e[2],e[3]]);let l=s[4],d=i.shape[4];F(s.length===5,()=>`Error in conv3dDerInput: inShape must be length 5, but got length ${s.length}.`),F(i.rank===5,()=>`Error in conv3dDerInput: dy must be rank 5, but got rank ${i.rank}`),F(n.rank===5,()=>`Error in conv3dDerInput: filter must be rank 5, but got rank ${n.rank}`),F(l===n.shape[3],()=>`Error in conv3dDerInput: depth of input (${l}) must match input depth for filter ${n.shape[3]}.`),F(d===n.shape[4],()=>`Error in conv3dDerInput: depth of output (${d}) must match output depth for filter ${n.shape[4]}.`);let u={dy:i,filter:n},p={pad:r,strides:a,inputShape:s},c=D.runKernel(Fp,u,p);return o?H(c,[c.shape[1],c.shape[2],c.shape[3],c.shape[4]]):c}var Mb=O({conv3DBackpropInput_:DT});function OT(e,t,n,a,r){let s=M(e,"x","conv3dTranspose"),i=M(t,"filter","conv3dTranspose");return Mb(n,s,i,a,r)}var Fb=O({conv3dTranspose_:OT});function zT(e){let t={x:M(e,"x","cos")};return D.runKernel(fs,t)}var Hu=O({cos_:zT});function _T(e){let t={x:M(e,"x","cosh")};return D.runKernel(co,t)}var bc=O({cosh_:_T});function PT(e,t=0,n=!1,a=!1){let r={x:M(e,"x","cumsum")},s={axis:t,exclusive:n,reverse:a};return D.runKernel(ms,r,s)}var vc=O({cumsum_:PT});function LT(e,t,n,a=!1){let r=M(e,"x","denseBincount"),s=M(t,"weights","denseBincount");F(r.dtype==="int32",()=>`Error in denseBincount: input dtype must be int32, but got ${r.dtype}`),F(r.rank<=2,()=>`Error in denseBincount: input must be at most rank 2, but got rank ${r.rank}.`),F(n>=0,()=>`size must be non-negative, but got ${n}.`),F(s.size===r.size||s.size===0,()=>`Error in denseBincount: weights must have the same shape as x or 0-length, but got x shape: ${r.shape}, weights shape: ${s.shape}.`);let i={x:r,weights:s},o={size:n,binaryOutput:a};return D.runKernel($p,i,o)}var $b=O({denseBincount_:LT});function WT(e,t,n="NHWC"){let a=M(e,"x","depthToSpace"),r=n==="NHWC"?a.shape[1]:a.shape[2],s=n==="NHWC"?a.shape[2]:a.shape[3],i=n==="NHWC"?a.shape[3]:a.shape[1];F(r*t>=0,()=>`Negative dimension size caused by overflow when multiplying
${r} and ${t} for depthToSpace with input shape
${a.shape}`),F(s*t>=0,()=>`Negative dimension size caused by overflow when multiplying
${s} and ${t} for depthToSpace with input shape
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zR({x:e,filter:t,strides:n,pad:a,dataFormat:r="NHWC",dilations:s=[1,1],dimRoundingMode:i,bias:o,activation:l="linear",preluActivationWeights:d,leakyreluAlpha:u}){if(l=l||"linear",Gc(D.state.gradientDepth,l)===!1){let b=ar(e,t,n,a,r,s,i);return o!=null&&(b=se(b,o)),Hc(b,l,d,u)}let p=M(e,"x","conv2d"),c=M(t,"filter","conv2d"),h=p,m=!1;p.rank===3&&(m=!0,h=H(p,[1,p.shape[0],p.shape[1],p.shape[2]])),F(h.rank===4,()=>`Error in fused conv2d: input must be rank 4, but got rank ${h.rank}.`),F(c.rank===4,()=>`Error in fused conv2d: filter must be rank 4, but got rank ${c.rank}.`),i!=null&&F(Vt(a),()=>`Error in fused conv2d: pad must be an integer when using, dimRoundingMode ${i} but got pad ${a}.`),F(h.shape[3]===c.shape[2],()=>`Error in conv2d: depth of input (${h.shape[3]}) must match input depth for filter ${c.shape[2]}.`),F(za(n,s),()=>`Error in conv2D: Either strides or dilations must be 1. 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s=r,i=!1;r.rank===3&&(i=!0,s=H(r,[1,r.shape[0],r.shape[1],r.shape[2]]));let[]=t,o={images:s},l={alignCorners:n,halfPixelCenters:a,size:t},d=D.runKernel(Su,o,l);return i?H(d,[d.shape[1],d.shape[2],d.shape[3]]):d}var c3=O({resizeNearestNeighbor_:gM});function xM(e,t,n="nearest",a="constant",r=0,s){let i=M(e,"image","transform","float32"),o=M(t,"transforms","transform","float32");F(i.rank===4,()=>`Error in transform: image must be rank 4,but got rank ${i.rank}.`),F(o.rank===2&&(o.shape[0]===i.shape[0]||o.shape[0]===1)&&o.shape[1]===8,()=>"Error in transform: Input transform should be batch x 8 or 1 x 8"),F(s==null||s.length===2,()=>`Error in transform: outputShape must be [height, width] or null, but got ${s}.`);let l={image:i,transforms:o},d={interpolation:n,fillMode:a,fillValue:r,outputShape:s};return D.runKernel(tc,l,d)}var bM=O({transform_:xM});function vM(e,t,n){F(t%1==0,()=>`bandPart(): numLower must be an integer, got ${t}.`),F(n%1==0,()=>`bandPart(): numUpper must be an integer, got ${n}.`);let a=M(e,"a","bandPart");F(a.rank>=2,()=>`bandPart(): Rank must be at least 2, got ${a.rank}.`);let r=a.shape,[s,i]=a.shape.slice(-2);if(!(t<=s))throw new Error(`bandPart(): numLower (${t}) must not be greater than the number of rows (${s}).`);if(!(n<=i))throw new Error(`bandPart(): numUpper (${n}) must not be greater than the number of columns (${i}).`);t<0&&(t=s),n<0&&(n=i);let o=H(Rc(0,s,1,"int32"),[-1,1]),l=Rc(0,i,1,"int32"),d=ye(o,l),u=la(hi(d,Ie(+t,"int32")),Dr(d,Ie(-n,"int32"))),p=Ct([s,i],a.dtype);return H(zn(ua(H(a,[-1,s,i])).map(c=>In(u,c,p))),r)}var wM=O({bandPart_:vM});function kM(e){let t;if(Array.isArray(e)){t=!1,F(e!=null&&e.length>0,()=>"Gram-Schmidt process: input must not be null, undefined, or empty");let r=e[0].shape[0];for(let s=1;s<e.length;++s)F(e[s].shape[0]===r,()=>`Gram-Schmidt: Non-unique lengths found in the input vectors: (${e[s].shape[0]} vs. ${r})`)}else t=!0,e=ln(e,e.shape[0],0).map(r=>Or(r,[0]));F(e.length<=e[0].shape[0],()=>`Gram-Schmidt: 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h=Me(s,[d,d],[n-d,1]),m=Vc(h),f=Me(s,[d,d],[1,1]),A=In(oa(f,0),Kn([[-1]]),Kn([[1]])),y=ye(f,B(A,m)),g=ge(h,y);g.shape[0]===1?o=Oa(i):o=ot([i,Me(g,[1,0],[g.shape[0]-1,g.shape[1]])],0);let x=wt(ge(Be(A,y),m)),k=Me(s,[d,0],[n-d,a]),b=B(x,o),v=Ze(o);if(d===0)s=ye(k,Be(b,Be(v,k)));else{let R=ye(k,Be(b,Be(v,k)));s=ot([Me(s,[0,0],[d,a]),R],0)}let I=Ze(b),T=Me(r,[0,d],[n,r.shape[1]-d]);if(d===0)r=ye(T,Be(Be(T,o),I));else{let R=ye(T,Be(Be(T,o),I));r=ot([Me(r,[0,0],[n,d]),R],1)}return[o,s,r]}),Ee([u,p,c])}return!t&&n>a&&(r=Me(r,[0,0],[n,a]),s=Me(s,[0,0],[a,a])),[r,s]})}var NM=O({qr_:SM}),un;(function(e){e[e.NONE=0]="NONE",e[e.MEAN=1]="MEAN",e[e.SUM=2]="SUM",e[e.SUM_BY_NONZERO_WEIGHTS=3]="SUM_BY_NONZERO_WEIGHTS"})(un||(un={}));function TM(e,t,n=un.SUM_BY_NONZERO_WEIGHTS){let a=M(e,"losses","computeWeightedLoss"),r=null;t!=null&&(r=M(t,"weights","computeWeightedLoss"));let s=r==null?a:B(a,r);if(n===un.NONE)return s;if(n===un.SUM)return Te(s);if(n===un.MEAN){if(r==null)return kt(s);{let i=a.size/r.size,o=ge(Te(s),Te(r));return i>1?ge(o,Ie(i)):o}}if(n===un.SUM_BY_NONZERO_WEIGHTS){if(r==null)return ge(Te(s),Ie(a.size));{let i=B(r,$n(a.shape)),o=Ae(Te(Ai(i,Ie(0))),"float32");return ge(Te(s),o)}}throw Error(`Unknown reduction: ${n}`)}var ir=O({computeWeightedLoss_:TM});function EM(e,t,n,a=un.SUM_BY_NONZERO_WEIGHTS){let r=M(e,"labels","absoluteDifference"),s=M(t,"predictions","absoluteDifference"),i=null;n!=null&&(i=M(n,"weights","absoluteDifference")),rn(r.shape,s.shape,"Error in absoluteDifference: ");let o=Ot(ye(r,s));return ir(o,i,a)}var CM=O({absoluteDifference_:EM});function RM(e,t,n,a,r=un.SUM_BY_NONZERO_WEIGHTS){let s=M(e,"labels","cosineDistance"),i=M(t,"predictions","cosineDistance"),o=null;a!=null&&(o=M(a,"weights","cosineDistance")),rn(s.shape,i.shape,"Error in cosineDistance: ");let l=Ie(1),d=ye(l,Te(B(s,i),n,!0));return ir(d,o,r)}var MM=O({cosineDistance_:RM});function FM(e,t,n,a=un.SUM_BY_NONZERO_WEIGHTS){let r=M(e,"labels","hingeLoss"),s=M(t,"predictions","hingeLoss"),i=null;n!=null&&(i=M(n,"weights","hingeLoss")),rn(r.shape,s.shape,"Error in hingeLoss: ");let o=Ie(1);r=ye(B(Ie(2),r),o);let l=La(ye(o,B(r,s)));return ir(l,i,a)}var $M=O({hingeLoss_:FM});function DM(e,t,n,a=1,r=un.SUM_BY_NONZERO_WEIGHTS){let s=M(e,"labels","huberLoss"),i=M(t,"predictions","huberLoss"),o=null;n!=null&&(o=M(n,"weights","huberLoss")),rn(s.shape,i.shape,"Error in huberLoss: ");let l=Ie(a),d=Ot(ye(i,s)),u=yl(d,l),p=ye(d,u),c=se(B(Ie(.5),st(u)),B(l,p));return ir(c,o,r)}var OM=O({huberLoss_:DM});function zM(e,t,n,a=1e-7,r=un.SUM_BY_NONZERO_WEIGHTS){let s=M(e,"labels","logLoss"),i=M(t,"predictions","logLoss"),o=null;n!=null&&(o=M(n,"weights","logLoss")),rn(s.shape,i.shape,"Error in logLoss: ");let l=Ie(1),d=Ie(a),u=wt(B(s,Fn(se(i,d)))),p=B(ye(l,s),Fn(se(ye(l,i),d))),c=ye(u,p);return ir(c,o,r)}var _M=O({logLoss_:zM});function PM(e,t,n,a=un.SUM_BY_NONZERO_WEIGHTS){let r=M(e,"labels","meanSquaredError"),s=M(t,"predictions","meanSquaredError"),i=null;n!=null&&(i=M(n,"weights","meanSquaredError")),rn(r.shape,s.shape,"Error in meanSquaredError: ");let o=Lc(r,s);return ir(o,i,a)}var LM=O({meanSquaredError_:PM});function WM(e,t){let n=M(e,"labels","sigmoidCrossEntropyWithLogits"),a=M(t,"logits","sigmoidCrossEntropyWithLogits");rn(n.shape,a.shape,"Error in sigmoidCrossEntropyWithLogits: ");let r=La(a),s=B(a,n),i=Ic(qn(wt(Ot(a))));return se(ye(r,s),i)}function BM(e,t,n,a=0,r=un.SUM_BY_NONZERO_WEIGHTS){let s=M(e,"multiClassLabels","sigmoidCrossEntropy"),i=M(t,"logits","sigmoidCrossEntropy"),o=null;if(n!=null&&(o=M(n,"weights","sigmoidCrossEntropy")),rn(s.shape,i.shape,"Error in sigmoidCrossEntropy: "),a>0){let d=Ie(a),u=Ie(1),p=Ie(.5);s=se(B(s,ye(u,d)),B(p,d))}let l=WM(s,i);return ir(l,o,r)}var VM=O({sigmoidCrossEntropy_:BM});function jM(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. Labels / logits was rank ${t.rank} and dim was ${n}`);return _a((a,r,s)=>{let i=gA(r,[n],!0),o=ye(Ae(r,"float32"),i);s([a,o]);let l=wt(B(o,a));return{value:Te(l,[n]),gradFunc:(d,u)=>{let[p,c]=u,h=mi(d.shape,[n]);return[B(H(d,h),ye(Ae(p,"float32"),qn(c))),B(H(d,h),ye(qn(c),Ae(p,"float32")))]}}})(e,t)}function UM(e,t,n,a=0,r=un.SUM_BY_NONZERO_WEIGHTS){let s=M(e,"onehotLabels","softmaxCrossEntropy"),i=M(t,"logits","softmaxCrossEntropy"),o=null;if(n!=null&&(o=M(n,"weights","softmaxCrossEntropy")),rn(s.shape,i.shape,"Error in softmaxCrossEntropy: "),a>0){let d=Ie(a),u=Ie(1),p=Ie(s.shape[1]);s=se(B(s,ye(u,d)),ge(d,p))}let l=jM(s,i);return ir(l,o,r)}var HM=O({softmaxCrossEntropy_:UM});function GM(e,t,n){let a=M(e,"inputIndices","sparseReshape"),r=M(t,"inputShape","sparseReshape"),s=M(n,"newShape","sparseReshape");if(a.rank!==2)throw new Error(`Input indices should be Tensor2D but received shape
${a.shape}`);if(r.rank!==1)throw new Error(`Input shape should be Tensor1D but received shape ${r.shape}`);if(s.rank!==1)throw new Error(`New shape should be Tensor1D but received shape ${s.shape}`);let i={inputIndices:a,inputShape:r,newShape:s},o=D.runKernel(Qp,i);return{outputIndices:o[0],outputShape:o[1]}}var qM=O({sparseReshape_:GM}),XM={fft:td,ifft:xl,rfft:nd,irfft:Pc},KM={hammingWindow:VR,hannWindow:s3,frame:i3,stft:GR},Ye={flipLeftRight:ZR,resizeNearestNeighbor:c3,resizeBilinear:p3,rotateWithOffset:JR,cropAndResize:XR,nonMaxSuppression:eM,nonMaxSuppressionAsync:lM,nonMaxSuppressionWithScore:dM,nonMaxSuppressionWithScoreAsync:cM,nonMaxSuppressionPadded:fM,nonMaxSuppressionPaddedAsync:AM,transform:bM},f3={bandPart:wM,gramSchmidt:IM,qr:NM},ZM={absoluteDifference:CM,computeWeightedLoss:ir,cosineDistance:MM,hingeLoss:$M,huberLoss:OM,logLoss:_M,meanSquaredError:LM,sigmoidCrossEntropy:VM,softmaxCrossEntropy:HM},m3={sparseReshape:qM},or=class extends Ab{minimize(e,t=!1,n){let{value:a,grads:r}=this.computeGradients(e,n);if(n!=null){let s=n.map(i=>({name:i.name,tensor:r[i.name]}));this.applyGradients(s)}else this.applyGradients(r);return Ee(r),t?a:(a.dispose(),null)}get iterations(){return this.iterations_==null&&(this.iterations_=0),this.iterations_}incrementIterations(){this.iterations_=this.iterations+1}computeGradients(e,t){return Lb(e,t)}dispose(){this.iterations_!=null&&Ee(this.iterations_)}async saveIterations(){return this.iterations_==null&&(this.iterations_=0),{name:"iter",tensor:Ie(this.iterations_,"int32")}}async getWeights(){throw new Error("getWeights() is not implemented for this optimizer yet.")}async setWeights(e){throw new Error(`setWeights() is not implemented for this optimizer class ${this.getClassName()}`)}async extractIterations(e){return this.iterations_=(await e[0].tensor.data())[0],e.slice(1)}};Object.defineProperty(or,Symbol.hasInstance,{value:e=>e.minimize!=null&&e.computeGradients!=null&&e.applyGradients!=null});var qc=class extends or{constructor(e,t,n=null){super();this.learningRate=e,this.rho=t,this.epsilon=n,this.accumulatedGrads=[],this.accumulatedUpdates=[],n==null&&(this.epsilon=D.backend.epsilon())}applyGradients(e){(Array.isArray(e)?e.map(t=>t.name):Object.keys(e)).forEach((t,n)=>{let a=D.registeredVariables[t],r=!1;this.accumulatedGrads[n]==null&&(this.accumulatedGrads[n]={originalName:`${t}/accum_grad`,variable:L(()=>Ue(a).variable(r))}),this.accumulatedUpdates[n]==null&&(this.accumulatedUpdates[n]={originalName:`${t}/accum_var`,variable:L(()=>Ue(a).variable(r))});let s=Array.isArray(e)?e[n].tensor:e[t];if(s==null)return;let i=this.accumulatedGrads[n].variable,o=this.accumulatedUpdates[n].variable;L(()=>{let 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e(t.learningRate,t.rho,t.epsilon)}};qc.className="Adadelta";Rr(qc);var Xc=class extends or{constructor(e,t=.1){super();this.learningRate=e,this.initialAccumulatorValue=t,this.accumulatedGrads=[]}applyGradients(e){(Array.isArray(e)?e.map(t=>t.name):Object.keys(e)).forEach((t,n)=>{let a=D.registeredVariables[t];if(this.accumulatedGrads[n]==null){let i=!1;this.accumulatedGrads[n]={originalName:`${t}/accumulator`,variable:L(()=>Gu(a.shape,this.initialAccumulatorValue).variable(i))}}let r=Array.isArray(e)?e[n].tensor:e[t];if(r==null)return;let s=this.accumulatedGrads[n].variable;L(()=>{let i=se(s,st(r));s.assign(i);let o=se(B(ge(r,Jt(se(i,D.backend.epsilon()))),-this.learningRate),a);a.assign(o)})}),this.incrementIterations()}dispose(){this.accumulatedGrads!=null&&Ee(this.accumulatedGrads.map(e=>e.variable))}async getWeights(){return[await this.saveIterations()].concat(this.accumulatedGrads.map(e=>({name:e.originalName,tensor:e.variable})))}async setWeights(e){e=await this.extractIterations(e);let t=!1;this.accumulatedGrads=e.map(n=>({originalName:n.name,variable:n.tensor.variable(t)}))}getConfig(){return{learningRate:this.learningRate,initialAccumulatorValue:this.initialAccumulatorValue}}static fromConfig(e,t){return new e(t.learningRate,t.initialAccumulatorValue)}};Xc.className="Adagrad";Rr(Xc);var Kc=class extends or{constructor(e,t,n,a=null){super();this.learningRate=e,this.beta1=t,this.beta2=n,this.epsilon=a,this.accumulatedFirstMoment=[],this.accumulatedSecondMoment=[],L(()=>{this.accBeta1=Ie(t).variable(),this.accBeta2=Ie(n).variable()}),a==null&&(this.epsilon=D.backend.epsilon())}applyGradients(e){let t=Array.isArray(e)?e.map(n=>n.name):Object.keys(e);L(()=>{let n=ye(1,this.accBeta1),a=ye(1,this.accBeta2);t.forEach((r,s)=>{let i=D.registeredVariables[r],o=!1;this.accumulatedFirstMoment[s]==null&&(this.accumulatedFirstMoment[s]={originalName:`${r}/m`,variable:L(()=>Ue(i).variable(o))}),this.accumulatedSecondMoment[s]==null&&(this.accumulatedSecondMoment[s]={originalName:`${r}/v`,variable:L(()=>Ue(i).variable(o))});let l=Array.isArray(e)?e[s].tensor:e[r];if(l==null)return;let d=this.accumulatedFirstMoment[s].variable,u=this.accumulatedSecondMoment[s].variable,p=se(B(d,this.beta1),B(l,1-this.beta1)),c=se(B(u,this.beta2),B(st(l),1-this.beta2)),h=ge(p,n),m=ge(c,a);d.assign(p),u.assign(c);let f=se(B(ge(h,se(Jt(m),this.epsilon)),-this.learningRate),i);i.assign(f)}),this.accBeta1.assign(B(this.accBeta1,this.beta1)),this.accBeta2.assign(B(this.accBeta2,this.beta2))}),this.incrementIterations()}dispose(){this.accBeta1.dispose(),this.accBeta2.dispose(),this.accumulatedFirstMoment!=null&&Ee(this.accumulatedFirstMoment.map(e=>e.variable)),this.accumulatedSecondMoment!=null&&Ee(this.accumulatedSecondMoment.map(e=>e.variable))}async getWeights(){let e=[...this.accumulatedFirstMoment,...this.accumulatedSecondMoment];return[await this.saveIterations()].concat(e.map(t=>({name:t.originalName,tensor:t.variable})))}async setWeights(e){e=await this.extractIterations(e),L(()=>{this.accBeta1.assign(sr(this.beta1,this.iterations_+1)),this.accBeta2.assign(sr(this.beta2,this.iterations_+1))});let t=e.length/2,n=!1;this.accumulatedFirstMoment=e.slice(0,t).map(a=>({originalName:a.name,variable:a.tensor.variable(n)})),this.accumulatedSecondMoment=e.slice(t,t*2).map(a=>({originalName:a.name,variable:a.tensor.variable(n)}))}getConfig(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon}}static fromConfig(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon)}};Kc.className="Adam";Rr(Kc);var Zc=class extends or{constructor(e,t,n,a=null,r=0){super();this.learningRate=e,this.beta1=t,this.beta2=n,this.epsilon=a,this.decay=r,this.accumulatedFirstMoment=[],this.accumulatedWeightedInfNorm=[],L(()=>{this.iteration=Ie(0).variable(),this.accBeta1=Ie(t).variable()}),a==null&&(this.epsilon=D.backend.epsilon())}applyGradients(e){let t=Array.isArray(e)?e.map(n=>n.name):Object.keys(e);L(()=>{let n=ye(1,this.accBeta1),a=ge(-this.learningRate,se(B(this.iteration,this.decay),1));t.forEach((r,s)=>{let i=D.registeredVariables[r],o=!1;this.accumulatedFirstMoment[s]==null&&(this.accumulatedFirstMoment[s]={originalName:`${r}/m`,variable:Ue(i).variable(o)}),this.accumulatedWeightedInfNorm[s]==null&&(this.accumulatedWeightedInfNorm[s]={originalName:`${r}/v`,variable:Ue(i).variable(o)});let l=Array.isArray(e)?e[s].tensor:e[r];if(l==null)return;let d=this.accumulatedFirstMoment[s].variable,u=this.accumulatedWeightedInfNorm[s].variable,p=se(B(d,this.beta1),B(l,1-this.beta1)),c=B(u,this.beta2),h=Ot(l),m=Pa(c,h);d.assign(p),u.assign(m);let f=se(B(ge(a,n),ge(p,se(m,this.epsilon))),i);i.assign(f)}),this.iteration.assign(se(this.iteration,1)),this.accBeta1.assign(B(this.accBeta1,this.beta1))}),this.incrementIterations()}dispose(){this.accBeta1.dispose(),this.iteration.dispose(),this.accumulatedFirstMoment!=null&&Ee(this.accumulatedFirstMoment.map(e=>e.variable)),this.accumulatedWeightedInfNorm!=null&&Ee(this.accumulatedWeightedInfNorm.map(e=>e.variable))}async getWeights(){throw new 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)}};Zc.className="Adamax";Rr(Zc);var ad=class extends or{constructor(e){super();this.learningRate=e,this.setLearningRate(e)}applyGradients(e){(Array.isArray(e)?e.map(t=>t.name):Object.keys(e)).forEach((t,n)=>{let a=Array.isArray(e)?e[n].tensor:e[t];if(a==null)return;let r=D.registeredVariables[t];L(()=>{let s=se(B(this.c,a),r);r.assign(s)})}),this.incrementIterations()}setLearningRate(e){this.learningRate=e,this.c!=null&&this.c.dispose(),this.c=jt(Ie(-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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============================
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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_=Math.min(t.inWidth,p+$),V=Number.NEGATIVE_INFINITY,j=-1;for(let U=x;U<k;U+=i){let X=U-g;for(let G=I;G<T;G+=o){let ee=G-v;for(let Y=z;Y<_;Y+=l){let re=Y-$,te=e.get(f,U,G,Y,A);te>=V&&(V=te,j=X*u*p+ee*u+re)}}}n.set(j,f,y,b,R,A)}}}return n}function oD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t;ve(r,"avgPool");let{filterSize:s,strides:i,pad:o,dimRoundingMode:l}=a,d=1;w.assert(C.eitherStridesOrDilationsAreOne(i,d),()=>`Error in avgPool: Either strides or dilations must be 1. 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u=C.computePool3DInfo(s.shape,i,o,1,l,d),p=u.strideDepth,c=u.strideHeight,h=u.strideWidth,m=u.filterDepth,f=u.filterHeight,A=u.filterWidth,y=u.dilationDepth,g=u.dilationHeight,x=u.dilationWidth,k=u.effectiveFilterDepth,b=u.effectiveFilterHeight,v=u.effectiveFilterWidth,I=k-1-u.padInfo.front,T=v-1-u.padInfo.left,R=b-1-u.padInfo.top,$=We(s.shape,"float32"),z=1/(m*f*A),_=n.bufferSync(r);for(let V=0;V<u.batchSize;++V)for(let j=0;j<u.inChannels;++j)for(let U=0;U<u.inDepth;++U)for(let X=0;X<u.inHeight;++X)for(let G=0;G<u.inWidth;++G){let ee=U-I,Y=X-R,re=G-T,te=0;for(let ie=0;ie<k;ie+=y){let Q=(ee+ie)/p;if(!(Q<0||Q>=u.outDepth||Math.floor(Q)!==Q))for(let de=0;de<b;de+=g){let oe=(Y+de)/c;if(!(oe<0||oe>=u.outHeight||Math.floor(oe)!==oe))for(let me=0;me<v;me+=x){let ce=(re+me)/h;ce<0||ce>=u.outWidth||Math.floor(ce)!==ce||(te+=_.get(V,Q,oe,ce,j))}}}$.set(te*z,V,U,X,G,j)}return n.makeTensorInfo($.shape,$.dtype,$.values)}var cD={kernelName:Tp,backendName:"cpu",kernelFunc:pD};function hD(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,input:s}=t,i=s;ve([r,s],"avgPoolGrad");let{filterSize:o,strides:l,pad:d}=a,u=C.computePool2DInfo(i.shape,o,l,1,d),p=u.strideHeight,c=u.strideWidth,h=u.filterHeight,m=u.filterWidth,f=u.dilationHeight,A=u.dilationWidth,y=u.effectiveFilterHeight,g=u.effectiveFilterWidth,x=g-1-u.padInfo.left,k=y-1-u.padInfo.top,b=We(i.shape,"float32"),v=1/(h*m),I=n.data.get(r.dataId).values,T=We(r.shape,"float32",I);for(let R=0;R<u.batchSize;++R)for(let $=0;$<u.inChannels;++$)for(let z=0;z<u.inHeight;++z)for(let _=0;_<u.inWidth;++_){let V=z-k,j=_-x,U=0;for(let X=0;X<y;X+=f){let G=(V+X)/p;if(!(G<0||G>=u.outHeight||Math.floor(G)!==G))for(let ee=0;ee<g;ee+=A){let Y=(j+ee)/c;Y<0||Y>=u.outWidth||Math.floor(Y)!==Y||(U+=T.get(R,G,Y,$))}}b.set(U*v,R,z,_,$)}return n.makeTensorInfo(b.shape,b.dtype,b.values)}var fD={kernelName:Np,backendName:"cpu",kernelFunc:hD};function mD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,scale:s,offset:i,mean:o,variance:l}=t;w.assert(o.shape.length===l.shape.length,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),w.assert(i==null||o.shape.length===i.shape.length,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),w.assert(s==null||o.shape.length===s.shape.length,()=>"Batch normalization gradient requires mean and scale to have equal ranks."),ve([r,o,l,s,i],"batchNorm");let{varianceEpsilon:d}=a;d==null&&(d=.001);let u=n.data.get(r.dataId).values,p=n.data.get(o.dataId).values,c=n.data.get(l.dataId).values,h=s?n.data.get(s.dataId).values:new Float32Array([1]),m=i?n.data.get(i.dataId).values:new Float32Array([0]),f=new Float32Array(u.length),A=m.length,y=h.length,g=c.length,x=p.length,k=0,b=0,v=0,I=0;for(let T=0;T<u.length;++T)f[T]=m[k++]+(u[T]-p[b++])*h[v++]/Math.sqrt(c[I++]+d),k>=A&&(k=0),b>=x&&(b=0),v>=y&&(v=0),I>=g&&(I=0);return n.makeTensorInfo(r.shape,r.dtype,f)}var AD={kernelName:vs,backendName:"cpu",kernelFunc:mD};function yD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{blockShape:s,crops:i}=a;ve([r],"batchToSpaceND");let o=s.reduce((y,g)=>y*g),l=C.getReshaped(r.shape,s,o),d=C.getPermuted(l.length,s.length),u=C.getReshapedPermuted(r.shape,s,o),p=C.getSliceBeginCoords(i,s.length),c=C.getSliceSize(u,i,s.length),h=ht({inputs:{x:r},backend:n,attrs:{shape:l}}),m=Zn({inputs:{x:h},backend:n,attrs:{perm:d}}),f=ht({inputs:{x:m},backend:n,attrs:{shape:u}}),A=bi({inputs:{x:f},backend:n,attrs:{begin:p,size:c}});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(f),A}var gD={kernelName:mu,backendName:"cpu",kernelFunc:yD};function xD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,weights:s}=t,{size:i}=a,o=n.data.get(r.dataId).values,l=n.data.get(s.dataId).values,d=BA(o,l,s.dtype,s.shape,i);return n.makeTensorInfo([i],s.dtype,d)}var bD={kernelName:Ep,backendName:"cpu",kernelFunc:xD},vD=nt(Ir,(e,t)=>{let n=t;return e>n.clipValueMax?n.clipValueMax:e<n.clipValueMin?n.clipValueMin:e}),wD={kernelName:Ir,backendName:"cpu",kernelFunc:vD},kD=e=>{let{x:t}=e.inputs,n=e.backend,a=new Float32Array(w.sizeFromShape(t.shape)),r=n.data.get(t.dataId),s=r.complexTensorInfos.real,i=r.complexTensorInfos.imag,o=n.data.get(s.dataId).values,l=n.data.get(i.dataId).values;for(let d=0;d<o.length;d++){let u=o[d],p=l[d];a[d]=Math.hypot(u,p)}return n.makeOutput(a,t.shape,"float32")},ID={kernelName:Au,backendName:"cpu",kernelFunc:kD};function Il(e){let{inputs:t,backend:n}=e,{input:a}=t,r=n.data.get(a.dataId).complexTensorInfos.imag,s=n.data.get(r.dataId).values;return n.makeTensorInfo(r.shape,r.dtype,s)}var SD={kernelName:jp,backendName:"cpu",kernelFunc:Il};function Sl(e){let{inputs:t,backend:n,attrs:a}=e,{axis:r}=a,s=w.parseAxisParam(r,t[0].shape)[0],i=C.computeOutShape(t.map(f=>f.shape),s);if(w.sizeFromShape(i)===0)return n.makeTensorInfo(i,t[0].dtype,[]);let o=t.filter(f=>w.sizeFromShape(f.shape)>0);if(o.length===1)return Ba({inputs:{x:o[0]},backend:n});let l=o.map(f=>f.shape);if(C.assertParamsConsistent(l,s),o[0].dtype==="complex64"){let f=o.map(k=>xi({inputs:{input:k},backend:n})),A=o.map(k=>Il({inputs:{input:k},backend:n})),y=Sl({inputs:f,backend:n,attrs:{axis:s}}),g=Sl({inputs:A,backend:n,attrs:{axis:s}}),x=_n({inputs:{real:y,imag:g},backend:n});return f.forEach(k=>n.disposeIntermediateTensorInfo(k)),A.forEach(k=>n.disposeIntermediateTensorInfo(k)),n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(g),x}let d=o.map(f=>{let A=w.sizeFromShape(f.shape.slice(s));return ht({inputs:{x:f},backend:n,attrs:{shape:[-1,A]}})}),u=d.map(f=>({vals:n.data.get(f.dataId).values,shape:f.shape}));i=C.computeOutShape(d.map(f=>f.shape),1);let p=d[0].shape[0]===1,c=VA(u,i,t[0].dtype,p),h=C.computeOutShape(o.map(f=>f.shape),s),m=n.makeTensorInfo(h,t[0].dtype,c);return d.forEach(f=>n.disposeIntermediateTensorInfo(f)),m}var ND={kernelName:po,backendName:"cpu",kernelFunc:Sl};function r7(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s}=t,{strides:i,pad:o,dataFormat:l,dilations:d,dimRoundingMode:u}=a;ve([r,s],"conv2d");let p=C.convertConv2DDataFormat(l),c=C.computeConv2DInfo(r.shape,s.shape,i,d,o,u,!1,p),h=c.filterHeight,m=c.filterWidth,f=c.dilationHeight,A=c.dilationWidth,y=c.padInfo.left,g=c.padInfo.top,x=c.dataFormat==="channelsLast",k=new Dt(c.outShape,r.dtype),b=w.computeStrides(r.shape),v=w.computeStrides(s.shape),I=b[0],T=x?b[1]:b[2],R=x?b[2]:1,$=x?1:b[1],z=k.strides[0],_=x?k.strides[1]:k.strides[2],V=x?k.strides[2]:1,j=x?1:k.strides[1],U=n.data.get(r.dataId).values,X=n.data.get(s.dataId).values,G=k.values;for(let ee=0;ee<c.batchSize;++ee){let Y=ee*I,re=ee*z;for(let te=0;te<c.outHeight;++te){let ie=re+te*_,Q=te*c.strideHeight-g;for(let de=0;de<h;++de){let oe=Q+de*f;if(oe<0||oe>=c.inHeight)continue;let me=de*v[0],ce=Y+oe*T;for(let 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$=Math.max(0,Math.ceil((k-R)/h)),z=Math.min(c.outHeight,(c.inHeight+k-R)/h);for(let _=0;_<A;++_){let V=Math.max(0,Math.ceil((x-_)/m)),j=Math.min(c.outWidth,(c.inWidth+x-_)/m);for(let U=0;U<c.inChannels;++U)for(let X=0;X<c.outChannels;++X){let G=0;for(let ee=0;ee<c.batchSize;++ee)for(let Y=$;Y<z;++Y){let re=R+Y*h-k;for(let te=V;te<j;++te){let ie=_+te*m-x;y?G+=I.get(ee,re,ie,U)*T.get(ee,Y,te,X):G+=I.get(ee,U,re,ie)*T.get(ee,X,Y,te)}}g.set(G,R,_,U,X)}}}return n.makeTensorInfo(g.shape,g.dtype,g.values)}var CD={kernelName:Rp,backendName:"cpu",kernelFunc:ED};function RD(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,filter:s}=t,{inputShape:i,strides:o,pad:l,dataFormat:d,dimRoundingMode:u}=a;ve([r,s],"conv2dBackpropInput");let p=w.computeStrides(s.shape),c=w.computeStrides(r.shape),h=C.convertConv2DDataFormat(d),m=C.computeConv2DInfo(i,s.shape,o,1,l,u,!1,h),f=new 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MD={kernelName:hs,backendName:"cpu",kernelFunc:RD};function FD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s}=t,{strides:i,pad:o,dilations:l}=a;ve([r,s],"conv3d");let d=C.computeConv3DInfo(r.shape,s.shape,i,l,o),{filterDepth:u,filterHeight:p,filterWidth:c,dilationDepth:h,dilationHeight:m,dilationWidth:f,padInfo:A}=d,y=A.front,g=A.left,x=A.top,k=new Dt(d.outShape,r.dtype),b=n.data.get(r.dataId).values,v=n.data.get(s.dataId).values,I=k.values,T=w.computeStrides(r.shape),R=w.computeStrides(s.shape);for(let $=0;$<d.batchSize;++$){let z=$*T[0],_=$*k.strides[0];for(let V=0;V<d.outDepth;++V){let j=_+V*k.strides[1],U=V*d.strideDepth-y;for(let X=0;X<u;++X){let G=U+X*h;if(G<0||G>=d.inDepth)continue;let ee=X*R[0],Y=z+G*T[1];for(let re=0;re<d.outHeight;++re){let te=j+re*k.strides[2],ie=re*d.strideHeight-x;for(let Q=0;Q<p;++Q){let de=ie+Q*m;if(de<0||de>=d.inHeight)continue;let oe=ee+Q*R[1],me=Y+de*T[2];for(let ce=0;ce<d.outWidth;++ce){let ke=te+ce*d.outChannels,Se=ce*d.strideWidth-g;for(let 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oe=0;oe<A;++oe){let me=Math.max(0,Math.ceil((re-oe)/h)),ce=Math.min(p.outHeight,(p.inHeight+re-oe)/h),ke=oe*b+de;for(let Se=0;Se<y;++Se){let $e=Math.max(0,Math.ceil((Y-Se)/m)),ze=Math.min(p.outWidth,(p.inWidth+Y-Se)/m),De=Se*v+ke;for(let Qe=0;Qe<p.inChannels;++Qe){let et=Qe*I+De;for(let rt=0;rt<p.outChannels;++rt){let Xe=0;for(let pt=0;pt<p.batchSize;++pt){let Ve=pt*j,An=pt*R;for(let xt=ie;xt<Q;++xt){let Vn=(te+xt*c-ee)*U+Ve,Xt=xt*$+An;for(let yn=me;yn<ce;++yn){let jn=(oe+yn*h-re)*X+Vn,Mn=yn*z+Xt;for(let an=$e;an<ze;++an){let Kt=(Se+an*m-Y)*G+jn,Ra=an*_+Mn;Xe+=V[Kt+Qe]*T[Ra+rt]}}}}x[et+rt]=Xe}}}}}return n.makeTensorInfo(g.shape,g.dtype,g.values)}var OD={kernelName:Mp,backendName:"cpu",kernelFunc:DD};function zD(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,filter:s}=t,{pad:i,strides:o,inputShape:l}=a;ve([r],"conv3dBackpropInputV2");let d=w.computeStrides(r.shape),u=w.computeStrides(s.shape),p=C.computeConv3DInfo(l,s.shape,o,1,i),c=new 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ee=Math.floor(G),Y=Math.ceil(G),re=G-ee;for(let te=0;te<A;te++){let ie=A>1?$*(c-1)+te*U:.5*($+_)*(c-1);if(ie<0||ie>c-1){for(let me=0;me<h;me++){let ce=me+te*v[2]+X*v[1]+I*v[0];y.values[ce]=d}continue}let Q=Math.floor(ie),de=Math.ceil(ie),oe=ie-Q;for(let me=0;me<h;me++){let ce=me+Q*b[2]+ee*b[1]+V*b[0],ke=k[ce];ce=me+de*b[2]+ee*b[1]+V*b[0];let Se=k[ce];ce=me+Q*b[2]+Y*b[1]+V*b[0];let $e=k[ce];ce=me+de*b[2]+Y*b[1]+V*b[0];let ze=k[ce],De=ke+(Se-ke)*oe,Qe=$e+(ze-$e)*oe;ce=me+te*v[2]+X*v[1]+I*v[0],y.values[ce]=De+(Qe-De)*re}}}else for(let ee=0;ee<A;++ee){let Y=A>1?$*(c-1)+ee*U:.5*($+_)*(c-1);if(Y<0||Y>c-1){for(let ie=0;ie<h;ie++){let Q=ie+ee*v[2]+X*v[1]+I*v[0];y.values[Q]=d}continue}let re=Math.round(Y),te=Math.round(G);for(let ie=0;ie<h;ie++){let Q=ie+re*b[2]+te*b[1]+V*b[0],de=ie+ee*v[2]+X*v[1]+I*v[0];y.values[de]=k[Q]}}}}return n.makeTensorInfo(y.shape,y.dtype,y.values)}var jD={kernelName:ho,backendName:"cpu",kernelFunc:VD};function UD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,exclusive:i,reverse:o}=a;ve(r,"cumsum");let l=C.getAxesPermutation([s],r.shape.length),d=r;l!=null&&(d=Zn({inputs:{x:r},backend:n,attrs:{perm:l}}));let u=C.getInnerMostAxes(1,r.shape.length)[0];if(u!==d.shape.length-1)throw new Error(`backend.cumsum in CPU expects an inner-most axis=${d.shape.length-1} but got axis=${u}`);let p=ia(d.dtype,"int32"),c=w.makeZerosTypedArray(w.sizeFromShape(d.shape),p),h=n.data.get(d.dataId).values,m=d.shape[d.shape.length-1],f=o?(y,g)=>y+m-g-1:(y,g)=>y+g;for(let y=0;y<h.length;y+=m)for(let g=0;g<m;g++){let x=f(y,g);if(g===0)c[x]=i?0:h[x];else{let k=f(y,g-1);c[x]=i?h[k]+c[k]:h[x]+c[k]}}let A=n.makeTensorInfo(d.shape,p,c);if(l!=null){let y=C.getUndoAxesPermutation(l),g=Zn({inputs:{x:A},backend:n,attrs:{perm:y}});return n.disposeIntermediateTensorInfo(A),n.disposeIntermediateTensorInfo(d),g}return A}var HD={kernelName:ms,backendName:"cpu",kernelFunc:UD};function GD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,weights:s}=t,{size:i,binaryOutput:o}=a;if(r.shape.length===1){let l=n.data.get(r.dataId).values,d=n.data.get(s.dataId).values,u=BA(l,d,s.dtype,s.shape,i);return n.makeTensorInfo([i],s.dtype,u)}else if(r.shape.length===2){let l=n.bufferSync(r),d=n.bufferSync(s),u=k3(l,d,i,o);return n.makeTensorInfo(u.shape,s.dtype,u.values)}throw new Error(`Error in denseBincount: input must be at most rank 2, but got rank${r.shape.length}.`)}var qD={kernelName:$p,backendName:"cpu",kernelFunc:GD};function XD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{blockSize:s,dataFormat:i}=a;w.assert(i==="NHWC",()=>`Only NHWC dataFormat supported on CPU for depthToSpace. 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YD(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,dy:s}=t,{strides:i,dilations:o,pad:l,dimRoundingMode:d,filterShape:u}=a;ve([r,s],"depthwiseConv2dNativeBackpropFilter");let p=C.computeConv2DInfo(r.shape,u,i,o,l,d,!0),{strideHeight:c,strideWidth:h,filterHeight:m,filterWidth:f}=p,A=new Dt(p.filterShape,"float32"),y=p.padInfo.left,g=p.padInfo.top,x=p.outChannels/p.inChannels,k=n.data.get(r.dataId).values,b=new Dt(r.shape,r.dtype,k),v=n.data.get(s.dataId).values,I=new Dt(s.shape,s.dtype,v);for(let T=0;T<m;++T){let R=Math.max(0,Math.ceil((g-T)/c)),$=Math.min(p.outHeight,(p.inHeight+g-T)/c);for(let z=0;z<f;++z){let _=Math.max(0,Math.ceil((y-z)/h)),V=Math.min(p.outWidth,(p.inWidth+y-z)/h);for(let j=0;j<p.outChannels;++j){let U=Math.trunc(j/x),X=j%x,G=0;for(let ee=0;ee<p.batchSize;++ee)for(let Y=R;Y<$;++Y){let re=T+Y*c-g;for(let te=_;te<V;++te){let ie=z+te*h-y;G+=b.get(ee,re,ie,U)*I.get(ee,Y,te,j)}}A.set(G,T,z,U,X)}}}return n.makeTensorInfo(A.shape,A.dtype,A.values)}var JD={kernelName:Dp,backendName:"cpu",kernelFunc:YD};function QD(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,filter:s}=t,{strides:i,dilations:o,pad:l,dimRoundingMode:d,inputShape:u}=a;ve([r,s],"depthwiseConv2DNativeBackpropInput");let p=w.computeStrides(r.shape),c=w.computeStrides(s.shape),h=C.computeConv2DInfo(u,s.shape,i,o,l,d,!0),m=new Dt(h.inShape,"float32"),f=m.values,[A,y,g]=m.strides,x=n.data.get(r.dataId).values,[k,b,v]=p,I=n.data.get(s.dataId).values,[T,R,$]=c,{batchSize:z,filterHeight:_,filterWidth:V,inChannels:j,inHeight:U,inWidth:X,outChannels:G,outHeight:ee,outWidth:Y,strideHeight:re,strideWidth:te}=h,ie=_-1-h.padInfo.top,Q=V-1-h.padInfo.left,de=G/j;for(let oe=0;oe<z;++oe)for(let me=0;me<j;++me)for(let ce=0;ce<U;++ce){let ke=ce-ie,Se=Math.max(0,Math.ceil(ke/re)),$e=Math.min(ee,(_+ke)/re);for(let ze=0;ze<X;++ze){let De=ze-Q,Qe=Math.max(0,Math.ceil(De/te)),et=Math.min(Y,(V+De)/te),rt=0;for(let Xe=Se;Xe<$e;++Xe){let pt=Xe*re-ke;for(let Ve=Qe;Ve<et;++Ve){let An=Ve*te-De,xt=k*oe+b*Xe+v*Ve,Vn=T*(_-1-pt)+R*(V-1-An)+$*me;for(let Xt=0;Xt<de;++Xt){let yn=me*de+Xt,jn=x[xt+yn],Mn=I[Vn+Xt];rt+=jn*Mn}}}f[A*oe+y*ce+g*ze+me]=rt}}return n.makeTensorInfo(m.shape,m.dtype,m.values)}var eO={kernelName:Op,backendName:"cpu",kernelFunc:QD};function tO(e){let{inputs:t,backend:n}=e,{x:a}=t,r=w.sizeFromShape(a.shape),s=n.data.get(a.dataId).values,i=We([r,r],a.dtype),o=i.values;for(let d=0;d<s.length;d++)o[d*r+d]=s[d];let l=[...a.shape,...a.shape];return n.makeTensorInfo(l,i.dtype,i.values)}var nO={kernelName:zp,backendName:"cpu",kernelFunc:tO},aO={kernelName:gu,backendName:"cpu",kernelFunc:({inputs:e,backend:t,attrs:n})=>{let{x:a,filter:r}=e,{strides:s,pad:i,dilations:o}=n,l=t,d=l.data.get(a.dataId).values,u=a.shape.length,p=l.data.get(r.dataId).values,c=r.shape.length,{batchSize:h,inHeight:m,inWidth:f,inChannels:A,outHeight:y,outWidth:g,padInfo:x,strideHeight:k,strideWidth:b,filterHeight:v,filterWidth:I,dilationHeight:T,dilationWidth:R,outShape:$}=C.computeDilation2DInfo(a.shape,r.shape,s,i,"NHWC",o),z=w.sizeFromShape($),_=$.length,V=w.getArrayFromDType(a.dtype,z);for(let j=0;j<h;++j)for(let U=0;U<y;++U){let X=U*k-x.top;for(let G=0;G<g;++G){let ee=G*b-x.left;for(let Y=0;Y<A;++Y){let re=Number.MIN_SAFE_INTEGER;for(let ie=0;ie<v;++ie){let Q=X+ie*T;if(Q>=0&&Q<m)for(let de=0;de<I;++de){let oe=ee+de*R;if(oe>=0&&oe<f){let me=w.locToIndex([j,Q,oe,Y],u,w.computeStrides(a.shape)),ce=w.locToIndex([ie,de,Y],c,w.computeStrides(r.shape)),ke=d[me]+p[ce];ke>re&&(re=ke)}}}let te=w.locToIndex([j,U,G,Y],_,w.computeStrides($));V[te]=re}}}return{dataId:l.write(w.toTypedArray(V,a.dtype),$,a.dtype),shape:$,dtype:a.dtype}}},rO={kernelName:Pp,backendName:"cpu",kernelFunc:({inputs:e,backend:t,attrs:n})=>{let{x:a,filter:r,dy:s}=e,{strides:i,pad:o,dilations:l}=n,d=t,u=w.toNestedArray(a.shape,d.data.get(a.dataId).values),p=w.toNestedArray(r.shape,d.data.get(r.dataId).values),{batchSize:c,inHeight:h,inWidth:m,inChannels:f,outHeight:A,outWidth:y,padInfo:g,strideHeight:x,strideWidth:k,filterHeight:b,filterWidth:v,dilationHeight:I,dilationWidth:T,outShape:R}=C.computeDilation2DInfo(a.shape,r.shape,i,o,"NHWC",l);w.assert(s.rank===R.length,()=>`Error in ${Pp}, dy must have the same rank as output ${R.length}, but got ${s.rank}`);let $=w.toNestedArray(R,d.data.get(s.dataId).values),z=w.makeZerosNestedTypedArray(r.shape,r.dtype);for(let _=0;_<c;++_)for(let V=0;V<A;++V){let j=V*x-g.top;for(let U=0;U<y;++U){let X=U*k-g.left;for(let G=0;G<f;++G){let ee=Number.MIN_SAFE_INTEGER,Y=0,re=0;for(let te=0;te<b;++te){let ie=j+te*I;if(ie>=0&&ie<h)for(let Q=0;Q<v;++Q){let de=X+Q*T;if(de>=0&&de<m){let oe=u[_][ie][de][G]+p[te][Q][G];oe>ee&&(ee=oe,Y=te,re=Q)}}}z[Y][re][G]+=$[_][V][U][G]}}}return{dataId:d.write(w.toTypedArray(z,a.dtype),r.shape,r.dtype),shape:r.shape,dtype:r.dtype}}},sO={kernelName:_p,backendName:"cpu",kernelFunc:({inputs:e,backend:t,attrs:n})=>{let{x:a,filter:r,dy:s}=e,{strides:i,pad:o,dilations:l}=n,d=t,u=w.toNestedArray(a.shape,d.data.get(a.dataId).values),p=w.toNestedArray(r.shape,d.data.get(r.dataId).values),{batchSize:c,inHeight:h,inWidth:m,inChannels:f,outHeight:A,outWidth:y,padInfo:g,strideHeight:x,strideWidth:k,filterHeight:b,filterWidth:v,dilationHeight:I,dilationWidth:T,outShape:R}=C.computeDilation2DInfo(a.shape,r.shape,i,o,"NHWC",l);w.assert(s.rank===R.length,()=>`Error in ${_p}, dy must have the same rank as output ${R.length}, but got ${s.rank}`);let 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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) {
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}
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#define round(value) newRound(value)
int newRound(float value) {
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}
ivec4 newRound(vec4 value) {
return ivec4(floor(value + vec4(0.5)));
}
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#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));
}
`,d=`
int round(float value) {
return int(floor(value + 0.5));
}
ivec4 round(vec4 value) {
return ivec4(floor(value + vec4(0.5)));
}
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int getFlatIndex(ivec3 coords) {
return coords.x * ${t[0]} + coords.y * ${t[1]} + coords.z;
}
`}var B7=`
const float FLOAT_MAX = 1.70141184e38;
const float FLOAT_MIN = 1.17549435e-38;
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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;
}
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ivec3 outCoordsFromFlatIndex(int index) {
${Ii(["r","c","d"],e)}
return ivec3(r, c, d);
}
void main() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${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);
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}
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}
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ivec3 outCoordsFromFlatIndex(int index) {
${Ii(["r","c","d"],e)}
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}
void main() {
ivec2 resTexRC = ivec2(resultUV.yx *
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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));
}
${n.output} = result;
}
`}},BP=class{constructor(e){this.variableNames=["A"],this.outTexUsage=Jn.DOWNLOAD;let t=dn();this.outputShape=e,this.userCode=`
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void main() {
float x = getAAtOutCoords();
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}
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${B7}
void main() {
ivec3 coords = getOutputCoords();
float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));
${t.output} = encode_float(x);
}
`}},jP=class{constructor(e,t,n=!1){this.variableNames=["A"];let a=dn(),[r,s]=t;this.outputShape=e;let i="result";n&&(i="floor(result * 255. + 0.5)"),this.userCode=`
${i1(e)}
void main() {
ivec3 coords = getOutputCoords();
int flatIndex = getFlatIndex(coords);
int offset = imod(flatIndex, 4);
flatIndex = idiv(flatIndex, 4, 1.);
int r = flatIndex / ${s};
int c = imod(flatIndex, ${s});
vec2 uv = (vec2(c, r) + halfCR) / vec2(${s}.0, ${r}.0);
vec4 values = ${a.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];
}
${a.output} = vec4(${i}, 0., 0., 0.);
}
`}},UP=class{constructor(e,t,n=!1){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let a=dn(),[r,s]=t;this.outputShape=e;let i="",o="result";n&&(o="floor(result * 255. + 0.5)");for(let l=0;l<=1;l++)for(let d=0;d<=1;d++){let u=l*2+d;i+=`
localCoords = coords;
if(localCoords[2] + ${d} < ${e[2]}) {
localCoords[2] += ${d};
if(localCoords[1] + ${l} < ${e[1]}) {
localCoords[1] += ${l};
flatIndex = getFlatIndex(localCoords);
offset = imod(flatIndex, 4);
flatIndex = idiv(flatIndex, 4, 1.);
r = flatIndex / ${s};
c = imod(flatIndex, ${s});
uv = (vec2(c, r) + halfCR) / vec2(${s}.0, ${r}.0);
values = ${a.texture2D}(A, uv);
if(offset == 0) {
result[${u}] = values[0];
} else if(offset == 1) {
result[${u}] = values[1];
} else if(offset == 2) {
result[${u}] = values[2];
} else {
result[${u}] = values[3];
}
}
}
`}this.userCode=`
${i1(e)}
void main() {
ivec3 coords = getOutputCoords();
vec4 result = vec4(0.);
int flatIndex, r, c, offset;
ivec3 localCoords;
vec2 uv;
vec4 values;
${i}
${a.output} = ${o};
}
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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 x7(e,n)}function U7(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 k7(e,t)}function H7(e){let t=new Uint16Array([0,1,2,2,1,3]);return I7(e,t)}function hd(e,t,n,a,r,s){N7(t,n);let i=S7(e),o=e.TEXTURE_2D;return xe(e,()=>e.bindTexture(o,i)),xe(e,()=>e.texParameteri(o,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE)),xe(e,()=>e.texParameteri(o,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)),xe(e,()=>e.texParameteri(o,e.TEXTURE_MIN_FILTER,e.NEAREST)),xe(e,()=>e.texParameteri(o,e.TEXTURE_MAG_FILTER,e.NEAREST)),xe(e,()=>e.texImage2D(o,0,a,t,n,0,r,s,null)),xe(e,()=>e.bindTexture(e.TEXTURE_2D,null)),i}function o1(e){return e.internalFormatFloat}function G7(e,t,n,a){let[r,s]=pd(t,n);return hd(e,r,s,o1(a),a.textureFormatFloat,e.FLOAT)}function l1(e){return e.internalFormatHalfFloat}function q7(e,t,n,a){let[r,s]=pd(t,n);return hd(e,r,s,l1(a),a.textureFormatFloat,a.textureTypeHalfFloat)}function u1(e){return e.downloadTextureFormat}function X7(e,t,n,a){let[r,s]=pd(t,n);return hd(e,r,s,u1(a),e.RGBA,e.UNSIGNED_BYTE)}function d1(e){return e.internalFormatPackedFloat}function K7(e,t,n,a){let[r,s]=Tl(t,n);return hd(e,r,s,d1(a),e.RGBA,e.FLOAT)}function p1(e){return e.internalFormatPackedHalfFloat}function Z7(e,t,n,a){let[r,s]=Tl(t,n);return hd(e,r,s,p1(a),e.RGBA,a.textureTypeHalfFloat)}function Y7(e,t,n){let a=0,r=3*4,s=3*4+2*4;return xe(e,()=>e.bindBuffer(e.ARRAY_BUFFER,n)),e1(e,t,"clipSpacePos",n,3,s,a)&&e1(e,t,"uv",n,2,s,r)}function J7(e,t,n,a,r,s){xe(e,()=>e.bindTexture(e.TEXTURE_2D,t));let i,o,l;r instanceof Uint8Array?(i=new Uint8Array(n*a*4),o=e.UNSIGNED_BYTE,l=e.RGBA):(i=new Float32Array(n*a*4),o=e.FLOAT,l=s.internalFormatPackedFloat),i.set(r),xe(e,()=>e.texImage2D(e.TEXTURE_2D,0,l,n,a,0,e.RGBA,o,i)),xe(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function Q7(e,t,n){xe(e,()=>e.bindTexture(e.TEXTURE_2D,t)),n.data instanceof Uint8Array?xe(e,()=>e.texImage2D(e.TEXTURE_2D,0,e.RGBA,n.width,n.height,0,e.RGBA,e.UNSIGNED_BYTE,n.data)):xe(e,()=>e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,n)),xe(e,()=>e.bindTexture(e.TEXTURE_2D,null))}function ev(e,t,n,a){let r=e.createBuffer();xe(e,()=>e.bindBuffer(e.PIXEL_PACK_BUFFER,r));let s=4*4*t*n;return xe(e,()=>e.bufferData(e.PIXEL_PACK_BUFFER,s,e.STREAM_READ)),xe(e,()=>e.readPixels(0,0,n,t,e.RGBA,e.FLOAT,0)),xe(e,()=>e.bindBuffer(e.PIXEL_PACK_BUFFER,null)),r}function tv(e,t,n){let a=e,r=new Float32Array(n);return a.bindBuffer(a.PIXEL_PACK_BUFFER,t),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,r),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),r}function nv(e,t,n,a){let[r,s]=pd(t,n),i=4,o=new Uint8Array(MP(t*n,i));return xe(e,()=>e.readPixels(0,0,r,s,a.downloadTextureFormat,e.UNSIGNED_BYTE,o)),new Float32Array(o.buffer)}function av(e,t,n,a,r,s,i,o){let l=e,d=new Float32Array(FP(s,i));return l.bindBuffer(l.PIXEL_PACK_BUFFER,t),l.getBufferSubData(l.PIXEL_PACK_BUFFER,0,d),l.bindBuffer(l.PIXEL_PACK_BUFFER,null),d}function rv(e,t,n){let a=new Float32Array(t*n*4);return xe(e,()=>e.readPixels(0,0,n,t,e.RGBA,e.FLOAT,a)),a}var hh=class{constructor(e){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];let t=J().getNumber("WEBGL_VERSION");e!=null?(this.gl=e,uh(t,e)):this.gl=Va(t);let n="WEBGL_color_buffer_float",a="EXT_color_buffer_half_float";if(J().getNumber("WEBGL_VERSION")===1){let r="OES_texture_float",s="OES_texture_half_float";if(this.textureFloatExtension=od(this.gl,r),Yn(this.gl,s))this.textureHalfFloatExtension=od(this.gl,s);else if(J().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),Yn(this.gl,a))this.colorBufferHalfFloatExtension=od(this.gl,a);else if(J().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",Yn(this.gl,n))this.colorBufferFloatExtension=this.gl.getExtension(n);else if(Yn(this.gl,a))this.colorBufferHalfFloatExtension=this.gl.getExtension(a);else throw new Error("GL context does not support color renderable floats");this.vertexBuffer=U7(this.gl),this.indexBuffer=H7(this.gl),this.framebuffer=T7(this.gl),this.textureConfig=r1(this.gl,this.textureHalfFloatExtension)}get debug(){return J().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. 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this.throwIfDisposed(),Z7(this.gl,e,t,this.textureConfig)}createPackedMatrixTexture(e,t){return this.throwIfDisposed(),K7(this.gl,e,t,this.textureConfig)}deleteMatrixTexture(e){this.throwIfDisposed(),this.outputTexture===e&&(t1(this.gl,this.framebuffer),this.outputTexture=null),xe(this.gl,()=>this.gl.deleteTexture(e))}downloadByteEncodedFloatMatrixFromOutputTexture(e,t,n){return this.downloadMatrixDriver(e,()=>nv(this.gl,t,n,this.textureConfig))}downloadPackedMatrixFromBuffer(e,t,n,a,r,s){return av(this.gl,e,t,n,a,r,s,this.textureConfig)}downloadFloat32MatrixFromBuffer(e,t){return tv(this.gl,e,t)}createBufferFromTexture(e,t,n){this.bindTextureToFrameBuffer(e);let a=ev(this.gl,t,n,this.textureConfig);return this.unbindTextureToFrameBuffer(),a}createAndWaitForFence(){let e=this.createFence(this.gl);return this.pollFence(e)}createFence(e){let t,n;if(J().getBool("WEBGL_FENCE_API_ENABLED")){let a=e,r=a.fenceSync(a.SYNC_GPU_COMMANDS_COMPLETE,0);e.flush(),n=()=>{let s=a.clientWaitSync(r,0,0);return s===a.ALREADY_SIGNALED||s===a.CONDITION_SATISFIED},t=r}else J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(t=this.beginQuery(),this.endQuery(),n=()=>this.isQueryAvailable(t,J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))):n=()=>!0;return{query:t,isFencePassed:n}}downloadMatrixFromPackedTexture(e,t,n){return this.downloadMatrixDriver(e,()=>rv(this.gl,t,n))}createProgram(e){this.throwIfDisposed();let t=this.gl,n=b7(t,e),a=j7(t),r=v7(t);return xe(t,()=>t.attachShader(r,a)),xe(t,()=>t.attachShader(r,n)),w7(t,r),this.debug&&ih(t,r),this.vertexAttrsAreBound||(this.setProgram(r),this.vertexAttrsAreBound=Y7(t,this.program,this.vertexBuffer)),r}deleteProgram(e){this.throwIfDisposed(),e===this.program&&(this.program=null),e!=null&&xe(this.gl,()=>this.gl.deleteProgram(e))}setProgram(e){this.throwIfDisposed(),this.program=e,this.program!=null&&this.debug&&ih(this.gl,this.program),xe(this.gl,()=>this.gl.useProgram(e))}getUniformLocation(e,t,n=!0){return this.throwIfDisposed(),n?C7(this.gl,e,t):R7(this.gl,e,t)}getAttributeLocation(e,t){return this.throwIfDisposed(),xe(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(),M7(this.gl,e,t,n)}setOutputMatrixTexture(e,t,n){this.setOutputMatrixTextureDriver(e,n,t)}setOutputPackedMatrixTexture(e,t,n){this.throwIfDisposed();let[a,r]=Tl(t,n);this.setOutputMatrixTextureDriver(e,a,r)}setOutputMatrixWriteRegion(e,t,n,a){this.setOutputMatrixWriteRegionDriver(n,e,a,t)}setOutputPackedMatrixWriteRegion(e,t,n,a){throw new Error("setOutputPackedMatrixWriteRegion not implemented.")}debugValidate(){this.program!=null&&ih(this.gl,this.program),ld(this.gl)}executeProgram(){this.throwIfDisposed(),this.throwIfNoProgram();let e=this.gl;this.debug&&this.debugValidate(),xe(e,()=>e.drawElements(e.TRIANGLES,6,e.UNSIGNED_SHORT,0))}blockUntilAllProgramsCompleted(){this.throwIfDisposed(),xe(this.gl,()=>this.gl.finish())}getQueryTimerExtension(){return this.disjointQueryTimerExtension==null&&(this.disjointQueryTimerExtension=od(this.gl,J().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(J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")===2){let n=this.gl,a=this.getQueryTimerExtensionWebGL2(),r=n.createQuery();return n.beginQuery(a.TIME_ELAPSED_EXT,r),r}let e=this.getQueryTimerExtensionWebGL1(),t=e.createQueryEXT();return e.beginQueryEXT(e.TIME_ELAPSED_EXT,t),t}endQuery(){if(J().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 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a=this.gl;oh(a,e,this.framebuffer),this.debug&&ld(a),this.outputTexture=e,xe(a,()=>a.viewport(0,0,t,n)),xe(a,()=>a.scissor(0,0,t,n))}setOutputMatrixWriteRegionDriver(e,t,n,a){this.throwIfDisposed(),xe(this.gl,()=>this.gl.scissor(e,t,n,a))}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 HP(e){let t=0;for(;t<e.length&&e[t]();++t);return t-1}var{getBroadcastDims:sv}=C;function eL(e,t,n,a){let r=[];e.forEach(h=>{let m=w.sizeFromShape(h.shapeInfo.logicalShape);h.shapeInfo.isUniform?r.push(`uniform float ${h.name}${m>1?`[${m}]`:""};`):(r.push(`uniform sampler2D ${h.name};`),r.push(`uniform int offset${h.name};`))});let s=r.join(`
`),i=e.map(h=>GP(h,t,a)).join(`
`),o=t.texShape,l=dn(),d=KP(l),u,p,c=JP(l);return t.isPacked?(u=qP(t.logicalShape,o),p=YP(l)):(u=XP(t.logicalShape,o),p=ZP(l)),a&&(c+=QP),[c,d,p,s,u,i,n].join(`
`)}function El(e){let t=e.shapeInfo.logicalShape;switch(t.length){case 0:return tL(e);case 1:return nL(e);case 2:return aL(e);case 3:return rL(e);case 4:return sL(e);case 5:return iL(e);case 6:return oL(e);default:throw new Error(`${t.length}-D input sampling is not yet supported`)}}function iv(e){switch(e.shapeInfo.logicalShape.length){case 0:return lL(e);case 1:return uL(e);case 2:return dL(e);case 3:return pL(e);default:return cL(e)}}function GP(e,t,n=!1){let a="";n?a+=iv(e):a+=El(e);let r=e.shapeInfo.logicalShape,s=t.logicalShape;return r.length<=s.length&&(n?a+=hL(e,t):a+=fL(e,t)),a}function qP(e,t){switch(e.length){case 0:return ov();case 1:return mL(e,t);case 2:return gL(e,t);case 3:return AL(e,t);default:return yL(e,t)}}function XP(e,t){switch(e.length){case 0:return ov();case 1:return xL(e,t);case 2:return IL(e,t);case 3:return bL(e,t);case 4:return vL(e,t);case 5:return wL(e,t);case 6:return kL(e,t);default:throw new Error(`${e.length}-D output sampling is not yet supported`)}}function KP(e){return`
float sampleTexture(sampler2D textureSampler, vec2 uv) {
return ${e.texture2D}(textureSampler, uv).r;
}
`}function ZP(e){return`
void setOutput(float val) {
${e.output} = vec4(val, 0, 0, 0);
}
`}function YP(e){return`
void setOutput(vec4 val) {
${e.output} = val;
}
`}function JP(e){return`${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);
}
${SL}
${NL}
${TL}
`}var SL=`
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);
}
`,NL=`
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);
}
`,TL=`
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);
}
`,QP=`
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 ov(){return`
int getOutputCoords() {
return 0;
}
`}function mL(e,t){let n=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];return n[0]===1?`
int getOutputCoords() {
return 2 * int(resultUV.x * ${n[1]}.0);
}
`:n[1]===1?`
int getOutputCoords() {
return 2 * int(resultUV.y * ${n[0]}.0);
}
`:`
int getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${n[0]}, ${n[1]}));
return 2 * (resTexRC.x * ${n[1]} + resTexRC.y);
}
`}function xL(e,t){return t[0]===1?`
int getOutputCoords() {
return int(resultUV.x * ${t[1]}.0);
}
`:t[1]===1?`
int getOutputCoords() {
return int(resultUV.y * ${t[0]}.0);
}
`:`
int getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
return resTexRC.x * ${t[1]} + resTexRC.y;
}
`}function AL(e,t){let n=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],a=Math.ceil(e[2]/2),r=a*Math.ceil(e[1]/2);return`
ivec3 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${n[0]}, ${n[1]}));
int index = resTexRC.x * ${n[1]} + resTexRC.y;
int b = index / ${r};
index -= b * ${r};
int r = 2 * (index / ${a});
int c = imod(index, ${a}) * 2;
return ivec3(b, r, c);
}
`}function bL(e,t){let n=Ii(["r","c","d"],e);return`
ivec3 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
${n}
return ivec3(r, c, d);
}
`}function yL(e,t){let n=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],a=Math.ceil(e[e.length-1]/2),r=a*Math.ceil(e[e.length-2]/2),s=r,i="",o="b, r, c";for(let l=2;l<e.length-1;l++)s*=e[e.length-l-1],i=`
int b${l} = index / ${s};
index -= b${l} * ${s};
`+i,o=`b${l}, `+o;return`
ivec${e.length} getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${n[0]}, ${n[1]}));
int index = resTexRC.x * ${n[1]} + resTexRC.y;
${i}
int b = index / ${r};
index -= b * ${r};
int r = 2 * (index / ${a});
int c = imod(index, ${a}) * 2;
return ivec${e.length}(${o});
}
`}function vL(e,t){let n=Ii(["r","c","d","d2"],e);return`
ivec4 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
${n}
return ivec4(r, c, d, d2);
}
`}function wL(e,t){let n=Ii(["r","c","d","d2","d3"],e);return`
ivec5 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx * vec2(${t[0]},
${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
${n}
ivec5 outShape = ivec5(r, c, d, d2, d3);
return outShape;
}
`}function kL(e,t){let n=Ii(["r","c","d","d2","d3","d4"],e);return`
ivec6 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
${n}
ivec6 result = ivec6(r, c, d, d2, d3, d4);
return result;
}
`}function gL(e,t){let n=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];if(w.arraysEqual(e,t))return`
ivec2 getOutputCoords() {
return 2 * ivec2(resultUV.yx * vec2(${n[0]}, ${n[1]}));
}
`;let a=Math.ceil(e[1]/2);return`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${n[0]}, ${n[1]}));
int index = resTexRC.x * ${n[1]} + resTexRC.y;
int r = 2 * (index / ${a});
int c = imod(index, ${a}) * 2;
return ivec2(r, c);
}
`}function IL(e,t){return w.arraysEqual(e,t)?`
ivec2 getOutputCoords() {
return ivec2(resultUV.yx * vec2(${t[0]}, ${t[1]}));
}
`:e[1]===1?`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
return ivec2(index, 0);
}
`:e[0]===1?`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
return ivec2(0, index);
}
`:`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
int r = index / ${e[1]};
int c = index - r * ${e[1]};
return ivec2(r, c);
}
`}function Si(e){return`offset${e}`}function lL(e){let t=e.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),a=dn();return`
vec4 ${n}() {
return ${a.texture2D}(${t}, halfCR);
}
`}function tL(e){let t=e.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1);if(e.shapeInfo.isUniform)return`float ${n}() {return ${t};}`;let[a,r]=e.shapeInfo.texShape;if(a===1&&r===1)return`
float ${n}() {
return sampleTexture(${t}, halfCR);
}
`;let[s,i]=e.shapeInfo.texShape,o=Si(t);return`
float ${n}() {
vec2 uv = uvFromFlat(${s}, ${i}, ${o});
return sampleTexture(${t}, uv);
}
`}function uL(e){let t=e.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),a=e.shapeInfo.texShape,r=[Math.ceil(a[0]/2),Math.ceil(a[1]/2)],s=dn();return`
vec4 ${n}(int index) {
vec2 uv = packedUVfrom1D(
${r[0]}, ${r[1]}, index);
return ${s.texture2D}(${t}, uv);
}
`}function nL(e){let t=e.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1);if(e.shapeInfo.isUniform)return`
float ${n}(int index) {
${Cl(e)}
}
`;let a=e.shapeInfo.texShape,r=a[0],s=a[1];if(s===1&&r===1)return`
float ${n}(int index) {
return sampleTexture(${t}, halfCR);
}
`;let i=Si(t);return s===1?`
float ${n}(int index) {
vec2 uv = vec2(0.5, (float(index + ${i}) + 0.5) / ${r}.0);
return sampleTexture(${t}, uv);
}
`:r===1?`
float ${n}(int index) {
vec2 uv = vec2((float(index + ${i}) + 0.5) / ${s}.0, 0.5);
return sampleTexture(${t}, uv);
}
`:`
float ${n}(int index) {
vec2 uv = uvFromFlat(${r}, ${s}, index + ${i});
return sampleTexture(${t}, uv);
}
`}function dL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),r=e.shapeInfo.texShape,s=r[0],i=r[1],o=dn();if(r!=null&&w.arraysEqual(t,r))return`
vec4 ${a}(int row, int col) {
vec2 uv = (vec2(col, row) + halfCR) / vec2(${i}.0, ${s}.0);
return ${o.texture2D}(${n}, uv);
}
`;let l=[Math.ceil(r[0]/2),Math.ceil(r[1]/2)],d=Math.ceil(t[1]/2);return`
vec4 ${a}(int row, int col) {
vec2 uv = packedUVfrom2D(${d}, ${l[0]}, ${l[1]}, row, col);
return ${o.texture2D}(${n}, uv);
}
`}function aL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),r=e.shapeInfo.texShape;if(r!=null&&w.arraysEqual(t,r)){let p=r[0],c=r[1];return`
float ${a}(int row, int col) {
vec2 uv = (vec2(col, row) + halfCR) / vec2(${c}.0, ${p}.0);
return sampleTexture(${n}, uv);
}
`}let{newShape:s,keptDims:i}=w.squeezeShape(t),o=s;if(o.length<t.length){let p=Rl(e,o),c=["row","col"];return`
${El(p)}
float ${a}(int row, int col) {
return ${a}(${Ml(c,i)});
}
`}if(e.shapeInfo.isUniform)return`
float ${a}(int row, int col) {
int index = round(dot(vec2(row, col), vec2(${t[1]}, 1)));
${Cl(e)}
}
`;let l=r[0],d=r[1],u=Si(n);return d===1?`
float ${a}(int row, int col) {
float index = dot(vec3(row, col, ${u}), vec3(${t[1]}, 1, 1));
vec2 uv = vec2(0.5, (index + 0.5) / ${l}.0);
return sampleTexture(${n}, uv);
}
`:l===1?`
float ${a}(int row, int col) {
float index = dot(vec3(row, col, ${u}), vec3(${t[1]}, 1, 1));
vec2 uv = vec2((index + 0.5) / ${d}.0, 0.5);
return sampleTexture(${n}, uv);
}
`:`
float ${a}(int row, int col) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${t[1]} + col + ${u};
vec2 uv = uvFromFlat(${l}, ${d}, index);
return sampleTexture(${n}, uv);
}
`}function pL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),r=e.shapeInfo.texShape,s=[Math.ceil(r[0]/2),Math.ceil(r[1]/2)];if(t[0]===1){let p=t.slice(1),c=[1,2],h=Rl(e,p),m=["b","row","col"];return`
${iv(h)}
vec4 ${a}(int b, int row, int col) {
return ${a}(${Ml(m,c)});
}
`}let i=s[0],o=s[1],l=Math.ceil(t[2]/2),d=l*Math.ceil(t[1]/2),u=dn();return`
vec4 ${a}(int b, int row, int col) {
vec2 uv = packedUVfrom3D(
${i}, ${o}, ${d}, ${l}, b, row, col);
return ${u.texture2D}(${n}, uv);
}
`}function rL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),r=t[1]*t[2],s=t[2],{newShape:i,keptDims:o}=w.squeezeShape(t),l=i;if(l.length<t.length){let m=Rl(e,l),f=["row","col","depth"];return`
${El(m)}
float ${a}(int row, int col, int depth) {
return ${a}(${Ml(f,o)});
}
`}if(e.shapeInfo.isUniform)return`
float ${a}(int row, int col, int depth) {
int index = round(dot(vec3(row, col, depth),
vec3(${r}, ${s}, 1)));
${Cl(e)}
}
`;let d=e.shapeInfo.texShape,u=d[0],p=d[1],c=e.shapeInfo.flatOffset;if(p===r&&c==null)return`
float ${a}(int row, int col, int depth) {
float texR = float(row);
float texC = dot(vec2(col, depth), vec2(${s}, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${p}.0, ${u}.0);
return sampleTexture(${n}, uv);
}
`;if(p===s&&c==null)return`
float ${a}(int row, int col, int depth) {
float texR = dot(vec2(row, col), vec2(${t[1]}, 1));
float texC = float(depth);
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${p}.0, ${u}.0);
return sampleTexture(${n}, uv);
}
`;let h=Si(n);return`
float ${a}(int row, int col, int depth) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${r} + col * ${s} + depth + ${h};
vec2 uv = uvFromFlat(${u}, ${p}, index);
return sampleTexture(${n}, uv);
}
`}function cL(e){let t=e.shapeInfo.logicalShape,n=t.length,a=e.name,r="get"+a.charAt(0).toUpperCase()+a.slice(1),s=e.shapeInfo.texShape,i=[Math.ceil(s[0]/2),Math.ceil(s[1]/2)],o=i[0],l=i[1],d=Math.ceil(t[n-1]/2),u=d*Math.ceil(t[n-2]/2),p="int b, int row, int col",c=`b * ${u} + (row / 2) * ${d} + (col / 2)`;for(let m=2;m<n-1;m++)p=`int b${m}, `+p,u*=t[n-m-1],c=`b${m} * ${u} + `+c;let h=dn();return`
vec4 ${r}(${p}) {
int index = ${c};
int texR = index / ${l};
int texC = index - texR * ${l};
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${l}, ${o});
return ${h.texture2D}(${a}, uv);
}
`}function sL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),r=t[3],s=t[2]*r,i=t[1]*s,{newShape:o,keptDims:l}=w.squeezeShape(t);if(o.length<t.length){let m=Rl(e,o),f=["row","col","depth","depth2"];return`
${El(m)}
float ${a}(int row, int col, int depth, int depth2) {
return ${a}(${Ml(f,l)});
}
`}if(e.shapeInfo.isUniform)return`
float ${a}(int row, int col, int depth, int depth2) {
int index = round(dot(vec4(row, col, depth, depth2),
vec4(${i}, ${s}, ${r}, 1)));
${Cl(e)}
}
`;let d=e.shapeInfo.flatOffset,u=e.shapeInfo.texShape,p=u[0],c=u[1];if(c===i&&d==null)return`
float ${a}(int row, int col, int depth, int depth2) {
float texR = float(row);
float texC =
dot(vec3(col, depth, depth2),
vec3(${s}, ${r}, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${c}.0, ${p}.0);
return sampleTexture(${n}, uv);
}
`;if(c===r&&d==null)return`
float ${a}(int row, int col, int depth, int depth2) {
float texR = dot(vec3(row, col, depth),
vec3(${t[1]*t[2]}, ${t[2]}, 1));
float texC = float(depth2);
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${c}.0, ${p}.0);
return sampleTexture(${n}, uv);
}
`;let h=Si(n);return`
float ${a}(int row, int col, int depth, int depth2) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${i} + col * ${s} +
depth * ${r} + depth2;
vec2 uv = uvFromFlat(${p}, ${c}, index + ${h});
return sampleTexture(${n}, uv);
}
`}function iL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),r=t[4],s=t[3]*r,i=t[2]*s,o=t[1]*i,{newShape:l,keptDims:d}=w.squeezeShape(t);if(l.length<t.length){let f=Rl(e,l),A=["row","col","depth","depth2","depth3"];return`
${El(f)}
float ${a}(int row, int col, int depth, int depth2, int depth3) {
return ${a}(${Ml(A,d)});
}
`}if(e.shapeInfo.isUniform)return`
float ${a}(int row, int col, int depth, int depth2, int depth3) {
float index = dot(
vec4(row, col, depth, depth2),
vec4(${o}, ${i}, ${s}, ${r})) +
depth3;
${Cl(e)}
}
`;let u=e.shapeInfo.flatOffset,p=e.shapeInfo.texShape,c=p[0],h=p[1];if(h===o&&u==null)return`
float ${a}(int row, int col, int depth, int depth2, int depth3) {
int texR = row;
float texC = dot(vec4(col, depth, depth2, depth3),
vec4(${i}, ${s}, ${r}, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${h}.0, ${c}.0);
return sampleTexture(${n}, uv);
}
`;if(h===r&&u==null)return`
float ${a}(int row, int col, int depth, int depth2, int depth3) {
float texR = dot(
vec4(row, col, depth, depth2),
vec4(${t[1]*t[2]*t[3]},
${t[2]*t[3]}, ${t[3]}, 1));
int texC = depth3;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${h}.0, ${c}.0);
return sampleTexture(${n}, uv);
}
`;let m=Si(n);return`
float ${a}(int row, int col, int depth, int depth2, int depth3) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${o} + col * ${i} + depth * ${s} +
depth2 * ${r} + depth3 + ${m};
vec2 uv = uvFromFlat(${c}, ${h}, index);
return sampleTexture(${n}, uv);
}
`}function oL(e){let t=e.shapeInfo.logicalShape,n=e.name,a="get"+n.charAt(0).toUpperCase()+n.slice(1),{newShape:r,keptDims:s}=w.squeezeShape(t);if(r.length<t.length){let A=Rl(e,r),y=["row","col","depth","depth2","depth3","depth4"];return`
${El(A)}
float ${a}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
return ${a}(${Ml(y,s)});
}
`}let i=t[5],o=t[4]*i,l=t[3]*o,d=t[2]*l,u=t[1]*d;if(e.shapeInfo.isUniform)return`
float ${a}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
int index = round(dot(
vec4(row, col, depth, depth2),
vec4(${u}, ${d}, ${l}, ${o})) +
dot(
vec2(depth3, depth4),
vec2(${i}, 1)));
${Cl(e)}
}
`;let p=e.shapeInfo.flatOffset,c=e.shapeInfo.texShape,h=c[0],m=c[1];if(m===u&&p==null)return`
float ${a}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
int texR = row;
float texC = dot(vec4(col, depth, depth2, depth3),
vec4(${d}, ${l}, ${o}, ${i})) +
float(depth4);
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${m}.0, ${h}.0);
return sampleTexture(${n}, uv);
}
`;if(m===i&&p==null)return`
float ${a}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
float texR = dot(vec4(row, col, depth, depth2),
vec4(${t[1]*t[2]*t[3]*t[4]},
${t[2]*t[3]*t[4]},
${t[3]*t[4]},
${t[4]})) + float(depth3);
int texC = depth4;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${m}.0, ${h}.0);
return sampleTexture(${n}, uv);
}
`;let f=Si(n);return`
float ${a}(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 * ${u} + col * ${d} + depth * ${l} +
depth2 * ${o} + depth3 * ${i} + depth4 + ${f};
vec2 uv = uvFromFlat(${h}, ${m}, index);
return sampleTexture(${n}, uv);
}
`}function Cl(e){let t=e.name,n=w.sizeFromShape(e.shapeInfo.logicalShape);return n<2?`return ${t};`:`
for (int i = 0; i < ${n}; i++) {
if (i == index) {
return ${t}[i];
}
}
`}function hL(e,t){let n=e.name,a=n.charAt(0).toUpperCase()+n.slice(1),r="get"+a+"AtOutCoords",s=e.shapeInfo.logicalShape.length,i=t.logicalShape.length,o=sv(e.shapeInfo.logicalShape,t.logicalShape),l=lt(i),d=i-s,u,p=["x","y","z","w","u","v"];s===0?u="":i<2&&o.length>=1?u="coords = 0;":u=o.map(A=>`coords.${p[A+d]} = 0;`).join(`
`);let c="";i<2&&s>0?c="coords":c=e.shapeInfo.logicalShape.map((A,y)=>`coords.${p[y+d]}`).join(", ");let h="return outputValue;",m=w.sizeFromShape(e.shapeInfo.logicalShape)===1,f=w.sizeFromShape(t.logicalShape)===1;if(s===1&&!m&&!f)h=`
return vec4(outputValue.xy, outputValue.xy);
`;else if(m&&!f)i===1?h=`
return vec4(outputValue.x, outputValue.x, 0., 0.);
`:h=`
return vec4(outputValue.x);
`;else if(o.length){let A=s-2,y=s-1;o.indexOf(A)>-1&&o.indexOf(y)>-1?h="return vec4(outputValue.x);":o.indexOf(A)>-1?h="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":o.indexOf(y)>-1&&(h="return vec4(outputValue.xx, outputValue.zz);")}return`
vec4 ${r}() {
${l} coords = getOutputCoords();
${u}
vec4 outputValue = get${a}(${c});
${h}
}
`}function fL(e,t){let n=e.name,a=n.charAt(0).toUpperCase()+n.slice(1),r="get"+a+"AtOutCoords",s=t.texShape,i=e.shapeInfo.texShape,o=e.shapeInfo.logicalShape.length,l=t.logicalShape.length;if(!e.shapeInfo.isUniform&&o===l&&e.shapeInfo.flatOffset==null&&w.arraysEqual(i,s))return`
float ${r}() {
return sampleTexture(${n}, resultUV);
}
`;let d=lt(l),u=sv(e.shapeInfo.logicalShape,t.logicalShape),p=l-o,c,h=["x","y","z","w","u","v"];o===0?c="":l<2&&u.length>=1?c="coords = 0;":c=u.map(f=>`coords.${h[f+p]} = 0;`).join(`
`);let m="";return l<2&&o>0?m="coords":m=e.shapeInfo.logicalShape.map((f,A)=>`coords.${h[A+p]}`).join(", "),`
float ${r}() {
${d} coords = getOutputCoords();
${c}
return get${a}(${m});
}
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${n}
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vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));
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${t}
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vec4 y = unaryOperation(x);
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Please use tf.complex(real, imag).");let a={id:this.nextDataId()};return this.texData.set(a,{shape:t,dtype:n,values:e,usage:Jn.UPLOAD,refCount:1}),a}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,a,r){if(J().getBool("DEBUG")&&this.checkNumericalProblems(t),a==="complex64")throw new Error("Cannot write to a complex64 dtype. 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Consider enabling float32 rendering: 'tf.env().set('WEBGL_RENDER_FLOAT32_ENABLED', true);'`):Error(`The value ${n} cannot be represented on this device.`)}}getValuesFromTexture(e){let{shape:t,dtype:n,isPacked:a}=this.texData.get(e),r=w.sizeFromShape(t);if(J().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){let p=this.decode(e),c=this.texData.get(p.dataId),h=this.gpgpu.downloadMatrixFromPackedTexture(c.texture,...cd(t)).subarray(0,r);return this.disposeIntermediateTensorInfo(p),h}let s=J().getBool("WEBGL_PACK")&&a===!0,i=s?lh(t):t,o=s?new VP(i):new BP(i),l=this.runWebGLProgram(o,[{shape:i,dtype:n,dataId:e}],"float32"),d=this.texData.get(l.dataId),u=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(d.texture,d.texShape[0],d.texShape[1]).subarray(0,r);return this.disposeIntermediateTensorInfo(l),u}timerAvailable(){return J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0}async time(e){let t=this.activeTimers,n=[],a=!1;this.programTimersStack==null?(this.programTimersStack=n,a=!0):this.activeTimers.push(n),this.activeTimers=n,e();let r=w.flatten(this.activeTimers.map(o=>o.query)).filter(o=>o!=null),s=w.flatten(this.activeTimers.map(o=>o.name)).filter(o=>o!=null);this.activeTimers=t,a&&(this.programTimersStack=null);let i={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null};if(J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0){let o=await Promise.all(r);i.kernelMs=w.sum(o),i.getExtraProfileInfo=()=>o.map((l,d)=>({name:s[d],ms:l})).map(l=>`${l.name}: ${l.ms}`).join(", ")}else i.kernelMs={error:"WebGL query timers are not supported in this environment."};return this.uploadWaitMs=0,this.downloadWaitMs=0,i}memory(){return{unreliable:!1,numBytesInGPU:this.numBytesInGPU,numBytesInGPUAllocated:this.textureManager.numBytesAllocated,numBytesInGPUFree:this.textureManager.numBytesFree}}startTimer(){return J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:w.now(),endMs:null}}endTimer(e){return J().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),e):(e.endMs=w.now(),e)}async getQueryTime(e){if(J().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:a,usage:r,isPacked:s,slice:i}=this.texData.get(e),o=i&&i.origDataId||e,l=this.dataRefCount.get(o);l>1?this.dataRefCount.set(o,l-1):(this.dataRefCount.delete(o),t!=null&&(this.numBytesInGPU-=this.computeBytes(a,n),this.textureManager.releaseTexture(t,a,r,s)));let d=this.texData.get(e);d.texture=null,d.texShape=null,d.isPacked=!1,d.slice=null}getTexture(e){return this.uploadToGPU(e),this.texData.get(e).texture}getDataInfo(e){return this.texData.get(e)}shouldExecuteOnCPU(e,t=RW){return J().getBool("WEBGL_CPU_FORWARD")&&e.every(n=>this.texData.get(n.dataId).texture==null&&w.sizeFromShape(n.shape)<t)}getGPGPUContext(){return this.gpgpu}where(e){C.warn("tf.where() in webgl locks the UI thread. Call tf.whereAsync() instead");let t=e.dataSync();return NW(e.shape,t)}packedUnaryOp(e,t,n){let a=new Fl(e.shape,t),r=this.compileAndRun(a,[e],n);return nr().makeTensorFromDataId(r.dataId,r.shape,r.dtype)}abs(e){if(this.shouldExecuteOnCPU([e])&&e.dtype!=="complex64"){let a=dv(this.texData.get(e.dataId).values);return this.makeOutput(e.shape,e.dtype,a)}if(J().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Av,e.dtype);let t=new Pr(e.shape,Av),n=this.compileAndRun(t,[e]);return nr().makeTensorFromDataId(n.dataId,n.shape,n.dtype)}makeTensorInfo(e,t,n){let a;if(t==="string"&&n!=null&&n.length>0&&w.isString(n[0])){let r=n.map(s=>w.encodeString(s));a=this.write(r,e,t)}else a=this.write(n,e,t);return this.texData.get(a).usage=null,{dataId:a,shape:e,dtype:t}}makeOutput(e,t,n){let{dataId:a}=this.makeTensorInfo(e,t,n);return nr().makeTensorFromDataId(a,e,t,this)}unpackTensor(e){let t=new SW(e.shape);return this.runWebGLProgram(t,[e],e.dtype)}packTensor(e){let t=new lW(e.shape),n=!0;return this.runWebGLProgram(t,[e],e.dtype,null,n)}packedReshape(e,t){let n=[vi(e.shape),...wi(e.shape)],a={dtype:e.dtype,shape:n,dataId:e.dataId},r=[vi(t),...wi(t)],s=new cv(r,n),i=!0,o=this.runWebGLProgram(s,[a],e.dtype,null,i);return{dataId:o.dataId,shape:t,dtype:o.dtype}}decode(e){let t=this.texData.get(e),{isPacked:n,shape:a,dtype:r}=t,s=lh(a),i;n?i=new WP(s):i=new LP(s);let o=!0,l=this.runWebGLProgram(i,[{shape:s,dtype:r,dataId:e}],r,null,o);return{dtype:r,shape:a,dataId:l.dataId}}runWebGLProgram(e,t,n,a,r=!1){let s=this.makeTensorInfo(e.outputShape,n),i=this.texData.get(s.dataId);if(e.packedOutput&&(i.isPacked=!0),e.outPackingScheme===dd.DENSE){let f=cd(e.outputShape);i.texShape=f.map(A=>A*2)}if(e.outTexUsage!=null&&(i.usage=e.outTexUsage),w.sizeFromShape(s.shape)===0)return i.values=w.getTypedArrayFromDType(s.dtype,0),s;let o=[],l=t.map(f=>{if(f.dtype==="complex64")throw new Error("GPGPUProgram does not support complex64 input. For complex64 dtypes, please separate the program into real and imaginary parts.");let A=this.texData.get(f.dataId);if(A.texture==null){if(!e.packedInputs&&w.sizeFromShape(f.shape)<=J().getNumber("WEBGL_SIZE_UPLOAD_UNIFORM"))return{shape:f.shape,texData:null,isUniform:!0,uniformValues:A.values};e.packedInputs&&(A.isPacked=!0,A.shape=f.shape)}else if(!!A.isPacked!=!!e.packedInputs)f=A.isPacked?this.unpackTensor(f):this.packTensor(f),o.push(f),A=this.texData.get(f.dataId);else if(A.isPacked&&!ud(A.shape,f.shape)){let y=f,g=f.shape;f.shape=A.shape,f=this.packedReshape(f,g),o.push(f),A=this.texData.get(f.dataId),y.shape=g}return this.uploadToGPU(f.dataId),{shape:f.shape,texData:A,isUniform:!1}});this.uploadToGPU(s.dataId);let d={shape:s.shape,texData:i,isUniform:!1},u=RL(e,l,d),p=this.getAndSaveBinary(u,()=>EL(this.gpgpu,e,l,d)),c=this.activeTimers!=null,h;c&&(h=this.startTimer()),CL(this.gpgpu,p,l,d,a),o.forEach(f=>this.disposeIntermediateTensorInfo(f)),c&&(h=this.endTimer(h),this.activeTimers.push({name:e.constructor.name,query:this.getQueryTime(h)}));let m=J().get("WEBGL_FLUSH_THRESHOLD");if(m>0){let f=w.now();f-this.lastGlFlushTime>m&&(this.gpgpu.gl.flush(),this.lastGlFlushTime=f)}if(!J().getBool("WEBGL_LAZILY_UNPACK")&&i.isPacked&&r===!1){let f=this.unpackTensor(s);return this.disposeIntermediateTensorInfo(s),f}return s}compileAndRun(e,t,n,a,r=!1){return n=n||t[0].dtype,this.runWebGLProgram(e,t,n,a,r)}getAndSaveBinary(e,t){return e in this.binaryCache||(this.binaryCache[e]=t()),this.binaryCache[e]}getTextureManager(){return this.textureManager}dispose(){this.disposed||(J().getBool("IS_TEST")||Object.keys(this.binaryCache).forEach(e=>{this.gpgpu.deleteProgram(this.binaryCache[e].webGLProgram),delete this.binaryCache[e]}),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=L(()=>{if(!J().get("WEBGL_RENDER_FLOAT32_ENABLED")){let e=J().getBool("DEBUG");J().set("DEBUG",!1);let t=this.abs(Ie(1e-8)).dataSync()[0];if(J().set("DEBUG",e),t>0)return 32}return 16})),this.floatPrecisionValue}epsilon(){return this.floatPrecision()===32?TW:EW}uploadToGPU(e){let t=this.texData.get(e),{shape:n,dtype:a,values:r,texture:s,usage:i,isPacked:o}=t;if(s!=null)return;let l=this.activeTimers!=null,d;l&&(d=w.now());let u=t.texShape;if(u==null&&(u=$7(n,o),t.texShape=u),r!=null){let p=lh(n),c,h=u[1],m=u[0],f=r instanceof Uint8Array;o?([h,m]=Tl(u[0],u[1]),c=new UP(p,[m,h],f)):c=new jP(p,[m,h],f);let A=this.makeTensorInfo([m,h],a);f?this.texData.get(A.dataId).usage=Jn.PIXELS:this.texData.get(A.dataId).usage=Jn.UPLOAD,this.gpgpu.uploadDenseMatrixToTexture(this.getTexture(A.dataId),h,m,r);let y=!0,g=this.runWebGLProgram(c,[A],a,null,y),x=this.texData.get(g.dataId);t.texture=x.texture,t.texShape=x.texShape,t.isPacked=x.isPacked,t.usage=x.usage,this.disposeIntermediateTensorInfo(A),this.texData.delete(g.dataId),t.values=null,l&&(this.uploadWaitMs+=w.now()-d)}else{let p=this.acquireTexture(u,i,a,o);t.texture=p}}convertAndCacheOnCPU(e,t){let n=this.texData.get(e),{dtype:a}=n;return this.releaseGPUData(e),t!=null&&(n.values=$W(t,a)),n.values}acquireTexture(e,t,n,a){if(this.numBytesInGPU+=this.computeBytes(e,n),!this.warnedAboutMemory&&this.numBytesInGPU>this.numMBBeforeWarning*1024*1024){let r=(this.numBytesInGPU/1024/1024).toFixed(2);this.warnedAboutMemory=!0,console.warn(`High memory usage in GPU: ${r} MB, most likely due to a memory leak`)}return this.textureManager.acquireTexture(e,t,a)}computeBytes(e,t){return e[0]*e[1]*w.bytesPerElement(t)}};$l.nextDataId=0;function $W(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 a=0;a<n.length;++a)n[a]=Math.round(e[a]);return n}else throw new Error(`Unknown dtype ${t}`)}var yv="3.5.0";function gv(){J().set("WEBGL_FORCE_F16_TEXTURES",!0)}_u.isBrowser()&&ul("webgl",()=>new $l,2);var DW={forceHalfFloat:gv},xv=`
if (isnan(a)) return a;
if (isnan(b)) return b;
`,Dl=class{constructor(e,t,n){this.variableNames=["A","B"],this.outputShape=C.assertAndGetBroadcastShape(t,n),this.userCode=`
float binaryOperation(float a, float b) {
${e}
}
void main() {
float a = getAAtOutCoords();
float b = getBAtOutCoords();
setOutput(binaryOperation(a, b));
}
`}},mh=`
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;
`,fd=class{constructor(e,t,n,a=!1){this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=C.assertAndGetBroadcastShape(t,n);let r=this.outputShape.length,s="";if(a)if(r===0||w.sizeFromShape(this.outputShape)===1)s=`
result.y = 0.;
result.z = 0.;
result.w = 0.;
`;else if(s=`
${lt(r)} coords = getOutputCoords();
`,r===1)s+=`
result.y = (coords + 1) >= ${this.outputShape[0]} ? 0. : result.y;
result.z = 0.;
result.w = 0.;
`;else{let i=pn("coords",r);s+=`
bool nextRowOutOfBounds =
(${i[r-2]} + 1) >= ${this.outputShape[r-2]};
bool nextColOutOfBounds =
(${i[r-1]} + 1) >= ${this.outputShape[r-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);
${s}
setOutput(result);
}
`}};function Pn(e){let{inputs:t,backend:n}=e,{x:a}=t;return n.incRef(a.dataId),{dataId:a.dataId,shape:a.shape,dtype:a.dtype}}var OW={kernelName:ks,backendName:"webgl",kernelFunc:Pn};function Lr(e){let{inputs:t,backend:n}=e,{real:a,imag:r}=t,s=n.makeTensorInfo(a.shape,"complex64"),i=n.texData.get(s.dataId),o=Pn({inputs:{x:a},backend:n}),l=Pn({inputs:{x:r},backend:n});return i.complexTensorInfos={real:o,imag:l},s}var zW={kernelName:Cp,backendName:"webgl",kernelFunc:Lr},bv="return (a < 0.) ? b * a : a;",vv=`
vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);
`;function _W(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{alpha:s}=a,i=n.makeTensorInfo([],"float32",w.createScalarValue(s,"float32")),o=J().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new fd(vv,r.shape,i.shape):new Dl(bv,r.shape,i.shape),l=n.runWebGLProgram(o,[r,i],r.dtype);return n.disposeIntermediateTensorInfo(i),l}var PW={kernelName:Is,backendName:"webgl",kernelFunc:_W},wv="return (a < 0.) ? b * a : a;",kv=`
vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
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`;function LW(e){let{inputs:t,backend:n}=e,{x:a,alpha:r}=t,s=J().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new fd(kv,a.shape,r.shape):new Dl(wv,a.shape,r.shape);return n.runWebGLProgram(s,[a,r],a.dtype)}var WW={kernelName:_s,backendName:"webgl",kernelFunc:LW},Iv="if (isnan(x)) return x;",BW=`
if (isnan(a)) return a;
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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 qe({opSnippet:e,packedOpSnippet:t,cpuKernelImpl:n,dtype:a}){return({inputs:r,backend:s})=>{let{x:i}=r,o=s,l=a||i.dtype;if(o.shouldExecuteOnCPU([i])&&n!=null){let p=o.texData.get(i.dataId),c=n(p.values,l);return o.makeTensorInfo(i.shape,l,c)}let d=J().getBool("WEBGL_PACK_UNARY_OPERATIONS")&&t!=null,u;return d?u=new Fl(i.shape,t):u=new Pr(i.shape,e),o.runWebGLProgram(u,[i],l)}}function en({opSnippet:e,packedOpSnippet:t,checkOutOfBounds:n=!1,supportsComplex:a=!1,cpuKernelImpl:r,dtype:s}){return({inputs:i,backend:o})=>{let{a:l,b:d}=i,u=o;if(a&&l.dtype==="complex64"){let m=u.texData.get(l.dataId),f=u.texData.get(d.dataId),[A,y]=[[m.complexTensorInfos.real,f.complexTensorInfos.real],[m.complexTensorInfos.imag,f.complexTensorInfos.imag]].map(x=>{let[k,b]=x,v={dataId:k.dataId,dtype:k.dtype,shape:l.shape},I={dataId:b.dataId,dtype:b.dtype,shape:d.shape},T=new Dl(e,l.shape,d.shape);return u.runWebGLProgram(T,[v,I],ia(k.dtype,b.dtype))}),g=Lr({inputs:{real:A,imag:y},backend:u});return u.disposeIntermediateTensorInfo(A),u.disposeIntermediateTensorInfo(y),g}let p=s||ia(l.dtype,d.dtype);if(u.shouldExecuteOnCPU([l,d])&&r!=null){let m=u.texData.get(l.dataId),f=u.texData.get(d.dataId),[A,y]=r(l.shape,d.shape,m.values,f.values,p),g=u.makeTensorInfo(y,p),x=u.texData.get(g.dataId);return x.values=A,g}let c=J().getBool("WEBGL_PACK_BINARY_OPERATIONS")&&t!=null,h;return c?h=new fd(t,l.shape,d.shape,n):h=new Dl(e,l.shape,d.shape),u.runWebGLProgram(h,[l,d],p)}}function Ah(e,t=!1){if(e==="linear")return t?bW:mW;if(e==="relu")return t?wW:yW;if(e==="elu")return t?vW:AW;if(e==="relu6")return t?kW:gW;if(e==="prelu")return t?kv:wv;if(e==="leakyrelu")return t?vv:bv;if(e==="sigmoid")return t?IW:xW;throw new Error(`Activation ${e} has not been implemented for the WebGL backend.`)}var Sv=class{constructor(e,t,n,a=!1,r=!1,s=!1,i=null,o=!1,l=!1){this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n;let d=a?e[1]:e[2],u=Math.ceil(d/2),p=a?"i * 2, rc.y":"rc.y, i * 2",c=r?"rc.z, i * 2":"i * 2, rc.z",h=a?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],m=r?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],f="",A="";i&&(o?f=`vec4 activation(vec4 a) {
vec4 b = getPreluActivationWeightsAtOutCoords();
${i}
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${f}
const float sharedDimension = ${u}.0;
vec4 dot2x2ARowBCol(ivec3 rc) {
vec4 result = vec4(0);
for (int i = 0; i < ${u}; i++) {
int batchA = ${g};
int batchB = ${x};
vec4 a = getMatrixA(batchA, ${p});
vec4 b = getMatrixB(batchB, ${c});
// These swizzled products need to be separately added.
// See: https://github.com/tensorflow/tfjs/issues/1735
result += (${h[0]} * ${m[0]});
result += (${h[1]} * ${m[1]});
}
return result;
}
void main() {
ivec3 rc = getOutputCoords();
vec4 result = dot2x2ARowBCol(rc);
${y}
${A}
setOutput(result);
}
`}},Nv={REAL:"return areal * breal - aimag * bimag;",IMAG:"return areal * bimag + aimag * breal;"},Tv=class{constructor(e,t,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=C.assertAndGetBroadcastShape(t,n),this.userCode=`
float binaryOpComplex(
float areal, float aimag, float breal, float bimag) {
${e}
}
void main() {
float areal = getARealAtOutCoords();
float aimag = getAImagAtOutCoords();
float breal = getBRealAtOutCoords();
float bimag = getBImagAtOutCoords();
setOutput(binaryOpComplex(areal, aimag, breal, bimag));
}
`}},Ev="return a * b;";function f1(e){let{inputs:t,backend:n}=e,{a,b:r}=t,s=C.upcastType(a.dtype,r.dtype);if(a.dtype==="complex64"){let o=n.texData.get(a.dataId),l=n.texData.get(r.dataId),d=new Tv(Nv.REAL,a.shape,r.shape),u=new Tv(Nv.IMAG,a.shape,r.shape),p=[{dataId:o.complexTensorInfos.real.dataId,dtype:o.complexTensorInfos.real.dtype,shape:a.shape},{dataId:o.complexTensorInfos.imag.dataId,dtype:o.complexTensorInfos.imag.dtype,shape:a.shape},{dataId:l.complexTensorInfos.real.dataId,dtype:l.complexTensorInfos.real.dtype,shape:r.shape},{dataId:l.complexTensorInfos.imag.dataId,dtype:l.complexTensorInfos.imag.dtype,shape:r.shape}],c=n.runWebGLProgram(d,p,"float32"),h=n.runWebGLProgram(u,p,"float32"),m=Lr({inputs:{real:c,imag:h},backend:n});return n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(h),m}if(n.shouldExecuteOnCPU([a,r])){let o=n.texData.get(a.dataId),l=n.texData.get(r.dataId),[d,u]=GL(a.shape,r.shape,o.values,l.values,s),p=n.makeTensorInfo(u,s),c=n.texData.get(p.dataId);return c.values=d,p}let i;return J().getBool("WEBGL_PACK_BINARY_OPERATIONS")?i=new fd(Ev,a.shape,r.shape):i=new Dl(Ev,a.shape,r.shape),n.runWebGLProgram(i,[a,r],s)}var jW={kernelName:$s,backendName:"webgl",kernelFunc:f1};function UW(e,t,n){let a=[vi(e.shape),...wi(e.shape)],r={dtype:e.dtype,shape:a,dataId:e.dataId},s=[vi(t),...wi(t)],i=new cv(s,a),o=!0,l=n.runWebGLProgram(i,[r],e.dtype,null,o);return{dataId:l.dataId,shape:t,dtype:l.dtype}}function fe(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{shape:s}=a,i=n,o=w.sizeFromShape(r.shape),l=w.inferFromImplicitShape(s,o),d=w.sizeFromShape(l);w.assert(o===d,()=>`The new shape (${l}) has ${d} elements and the old shape (${r.shape}) has ${o} elements. The new shape and old shape must have the same number of elements.`);let u=i.texData.get(r.dataId);return u.isPacked&&!ud(r.shape,l)&&!(u.texture!==null&&ud(u.shape,l))?UW(r,l,i):(i.incRef(r.dataId),{dataId:r.dataId,shape:l,dtype:r.dtype})}var HW={kernelName:Bo,backendName:"webgl",kernelFunc:fe},Cv=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:a,inSize:r,outSize:s}=e;this.outputShape=[a,s];let i=Math.floor(n/4)*4,o=n%4,l="sumValue += dot(values, ones);";if(t!=null){let u=1/t;l=`sumValue += dot(values * ${w.isInt(u)?u.toPrecision(2):u}, ones);`}let d="";r%n>0&&(d=`
if (inIdx < 0 || inIdx >= ${r}) {
return 0.0;
}
`),this.userCode=`
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float getValue(int batch, int inIdx) {
${d}
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 < ${i}; 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 + ${i};
if (${o===1}) {
vec4 values = vec4(getValue(batch, inIdx), 0.0, 0.0, 0.0);
${l}
} else if (${o===2}) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1), 0.0, 0.0);
${l}
} else if (${o===3}) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2), 0.0);
${l}
}
setOutput(sumValue);
}
`}},GW=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:a,inSize:r,outSize:s}=e;this.outputShape=[a,s];let i="0.0",o="";t==="prod"?i="1.0":t==="min"?(i="1.0 / 1e-20",o="min"):t==="max"&&(i="-1.0 / 1e-20",o="max");let l=`${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 d=Math.floor(n/4)*4,u=n%4,p=`
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 = ${o}(values, minMaxValue);
}
`,c="vec4";t==="all"?(i="1.0",p=`
bool reducedAllValue = all(values);
float floatedReducedAllValue = float(reducedAllValue);
allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);
`,c="bvec4"):t==="any"&&(i="0.0",p=`
bool reducedAnyValue = any(values);
float floatedReducedAnyValue = float(reducedAnyValue);
anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);
`,c="bvec4");let h="";r%n>0&&(h=`
if (inIdx < 0 || inIdx >= ${r}) {
return initializationValue;
}
`),this.userCode=`
const float initializationValue = ${i};
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float getValue(int batch, int inIdx) {
${h}
return getX(batch, inIdx);
}
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = outIdx * ${n};
vec4 minMaxValue = vec4(${i});
float prodValue = 1.0;
float sumValue = 0.0;
float allValue = 1.0;
float anyValue = 0.0;
for (int i = 0; i < ${d}; i += 4) {
int inIdx = inOffset + i;
${c} values = ${c}(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
getValue(batch, inIdx + 3)
);
${p}
}
int inIdx = inOffset + ${d};
if (${u===1}) {
${c} values = ${c}(
getValue(batch, inIdx),
initializationValue,
initializationValue,
initializationValue
);
${p}
} else if (${u===2}) {
${c} values = ${c}(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
initializationValue,
initializationValue
);
${p}
} else if (${u===3}) {
${c} values = ${c}(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
initializationValue
);
${p}
}
setOutput(${l});
}
`}};function qW(e){let t=[];for(;t.length===0||t[t.length-1].outSize!==1;){let n=t.length?t[t.length-1].outSize:e[1],a=C.computeOptimalWindowSize(n);t.push({inSize:n,windowSize:a,outSize:Math.ceil(n/a)})}return t}function Ni(e,t,n,a){let r=qW(e.shape),s=e;for(let i=0;i<r.length;i++){let{inSize:o,windowSize:l,outSize:d}=r[i],u,p;n==="mean"?u=i===0?new Cv({windowSize:l,inSize:o,batchSize:e.shape[0],outSize:d},o):new Cv({windowSize:l,inSize:o,batchSize:e.shape[0],outSize:d}):u=new GW({windowSize:l,inSize:o,batchSize:e.shape[0],outSize:d},n),p=s,s=a.runWebGLProgram(u,[s],t),p.dataId!==e.dataId&&a.disposeIntermediateTensorInfo(p)}return s}var KW=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let s=0;s<n.length;s++)n[s]=e[t[s]];this.outputShape=n,this.rank=n.length;let a=lt(this.rank),r=XW(t);this.userCode=`
void main() {
${a} resRC = getOutputCoords();
setOutput(getA(${r}));
}
`}};function XW(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"],a=new Array(t);for(let r=0;r<e.length;r++)a[e[r]]=n[r];return a.join()}var ZW=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;let n=new Array(e.length);for(let d=0;d<n.length;d++)n[d]=e[t[d]];if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error(`Packed transpose for rank ${this.rank} is not yet supported.`);let a=lt(this.rank),r=pv("rc",this.rank),s=new Array(this.rank);for(let d=0;d<t.length;d++)s[t[d]]=r[d];let i=`vec2(${s.slice(-2).join()})`,o=`++${r[this.rank-1]} < ${n[this.rank-1]}`,l=`getChannel(getA(${s.join()}), ${i})`;this.userCode=`
void main() {
${a} rc = getOutputCoords();
vec4 result = vec4(0.);
result[0] = ${l};
if(${o}) {
result[1] = ${l};
}
--${r[this.rank-1]};
if(++${r[this.rank-2]} < ${n[this.rank-2]}) {
result[2] = ${l};
if(${o}) {
result[3] = ${l};
}
}
setOutput(result);
}
`}};function yh(e,t,n){let a=J().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new ZW(e.shape,t):new KW(e.shape,t);return n.runWebGLProgram(a,[e],e.dtype)}function YW(e,t,n,a){let r=t,s=e.shape.length,i=w.parseAxisParam(r,e.shape),o=i,l=C.getAxesPermutation(o,s),d=l!=null,u=e;d&&(u=yh(e,l,a),o=C.getInnerMostAxes(o.length,s)),C.assertAxesAreInnerMostDims("sum",o,s);let[p,c]=C.computeOutAndReduceShapes(u.shape,o),h=p;n&&(h=C.expandShapeToKeepDim(p,i));let m=w.sizeFromShape(c),f=w.sizeFromShape(e.shape)/m,A=fe({inputs:{x:u},attrs:{shape:[f,m]},backend:a}),y=lc(e.dtype),g=Ni(A,y,"sum",a),x=fe({inputs:{x:g},attrs:{shape:h},backend:a});return a.disposeIntermediateTensorInfo(A),a.disposeIntermediateTensorInfo(g),d&&a.disposeIntermediateTensorInfo(u),x}function gh(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,keepDims:i}=a;return YW(r,s,i,n)}var JW={kernelName:qs,backendName:"webgl",kernelFunc:gh};function cn(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{perm:s}=a,i=n,o=r.shape.length,l=new Array(o);for(let u=0;u<l.length;u++)l[u]=r.shape[s[u]];let d;if(i.shouldExecuteOnCPU([r])){let u=i.texData.get(r.dataId).values,p=c1(u,r.shape,r.dtype,s,l);d=i.makeTensorInfo(l,r.dtype);let c=i.texData.get(d.dataId);c.values=p}else d=yh(r,s,i);return d}var QW={kernelName:Qs,backendName:"webgl",kernelFunc:cn},Rv=1e3;function xh({a:e,b:t,transposeA:n,transposeB:a,backend:r,bias:s=null,preluActivationWeights:i=null,leakyreluAlpha:o=0,activation:l=null}){let d=e.shape.length,u=t.shape.length,p=n?e.shape[d-2]:e.shape[d-1],c=a?t.shape[u-1]:t.shape[u-2],h=n?e.shape[d-1]:e.shape[d-2],m=a?t.shape[u-2]:t.shape[u-1],f=e.shape.slice(0,-2),A=t.shape.slice(0,-2),y=w.sizeFromShape(f),g=w.sizeFromShape(A),x=y===g||y===1||g===1;w.assert(d>=2&&u>=2&&x,()=>`Error in matMul: the input batch dimensions must either be the same or at least one input batch dimension must be 1. Got input batch dimensions of (${f}) and (${A}).`);let k=(y>g?e.shape.slice(0,-2):t.shape.slice(0,-2)).concat([h,m]);w.assert(p===c,()=>`Error in matMul: inner shapes (${p}) and (${c}) of Tensors with shapes ${e.shape} and ${t.shape} and transposeA=${n} and transposeB=${a} must match.`);let b=n?[y,p,h]:[y,h,p],v=a?[g,m,c]:[g,c,m],I=fe({inputs:{x:e},backend:r,attrs:{shape:b}}),T=fe({inputs:{x:t},backend:r,attrs:{shape:v}}),R=[I,T],$=Math.max(y,g),z=n?I.shape[1]:I.shape[2],_=s!=null,V=i!=null,j=l==="leakyrelu",U=l!=null?Ah(l,!0):null,X=_||V||j||U!=null,G;if((h===1||m===1)&&z>Rv&&X===!1){let Y=I,re=T;n&&(Y=cn({inputs:{x:I},backend:r,attrs:{perm:[0,2,1]}}),R.push(Y)),a&&(re=cn({inputs:{x:T},backend:r,attrs:{perm:[0,2,1]}}),R.push(re));let te=m!==1,ie=m===1,Q=Y;te&&(Q=fe({inputs:{x:Y},backend:r,attrs:{shape:[$,z,1]}}),R.push(Q));let de=m===1?2:1,oe=re;ie&&(oe=fe({inputs:{x:re},backend:r,attrs:{shape:[$,1,z]}}),R.push(oe));let me=f1({inputs:{a:Q,b:oe},backend:r});G=gh({inputs:{x:me},backend:r,attrs:{axis:de,keepDims:!0}}),R.push(me)}else{let Y=ia(e.dtype,t.dtype),re=new Sv(b,v,[$,h,m],n,a,_,U,V,j),te=[I,T];if(s!=null&&te.push(s),V&&te.push(i),j){let ie=r.makeTensorInfo([],"float32",w.createScalarValue(o,"float32"));te.push(ie),R.push(ie)}G=r.runWebGLProgram(re,te,Y)}let ee=fe({inputs:{x:G},backend:r,attrs:{shape:k}});R.push(G);for(let Y of R)r.disposeIntermediateTensorInfo(Y);return ee}function eB(e){let{inputs:t,backend:n,attrs:a}=e,{a:r,b:s,bias:i,preluActivationWeights:o}=t,{transposeA:l,transposeB:d,activation:u,leakyreluAlpha:p}=a;return xh({a:r,b:s,transposeA:l,transposeB:d,backend:n,bias:i,preluActivationWeights:o,leakyreluAlpha:p,activation:u})}var tB={kernelName:ei,backendName:"webgl",kernelFunc:eB},Mv="return abs(x);";function nB(e){let{inputs:t,backend:n}=e,{x:a}=t;if(n.shouldExecuteOnCPU([a])&&a.dtype!=="complex64"){let s=n.texData.get(a.dataId),i=dv(s.values);return n.makeTensorInfo(a.shape,a.dtype,i)}let r;return J().getBool("WEBGL_PACK_UNARY_OPERATIONS")?r=new Fl(a.shape,Mv):r=new Pr(a.shape,Mv),n.runWebGLProgram(r,[a],a.dtype)}var aB={kernelName:eo,backendName:"webgl",kernelFunc:nB},rB=xa+`
if (abs(x) > 1.) {
return NAN;
}
return acos(x);
`,sB=qe({opSnippet:rB}),iB={kernelName:to,backendName:"webgl",kernelFunc:sB},oB=xa+`
if (x < 1.0) return NAN;
return log(x + sqrt(x * x - 1.0));`,lB=qe({opSnippet:oB}),uB={kernelName:no,backendName:"webgl",kernelFunc:lB},Fv="return a + b;",dB=en({opSnippet:Fv,packedOpSnippet:Fv,supportsComplex:!0,cpuKernelImpl:ML}),pB={kernelName:kr,backendName:"webgl",kernelFunc:dB},cB=class{constructor(e,t){this.outputShape=[],this.outputShape=e,this.variableNames=t.map((r,s)=>`T${s}`);let n=[];this.variableNames.forEach(r=>{n.push(`float v${r} = get${r}AtOutCoords();`)});let a=this.variableNames.map(r=>`v${r}`).join(" + ");this.userCode=`
void main() {
${n.join(`
`)}
float result = ${a};
setOutput(result);
}
`}},hB=class{constructor(e,t){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.variableNames=t.map((r,s)=>`T${s}`);let n=[];this.variableNames.forEach(r=>{n.push(`vec4 v${r} = get${r}AtOutCoords();`)});let a=this.variableNames.map(r=>`v${r}`).join(" + ");this.userCode=`
void main() {
${n.join(`
`)}
vec4 result = ${a};
setOutput(result);
}
`}};function bh(e){let{inputs:t,backend:n}=e,a=t;if(a.length===1)return Pn({inputs:{x:a[0]},backend:n});if(a.length>J().get("WEBGL_MAX_TEXTURES_IN_SHADER")){let o=Math.floor(a.length/2),l=bh({inputs:a.slice(0,o),backend:n}),d=bh({inputs:a.slice(o),backend:n});return bh({inputs:[l,d],backend:n})}let r=a.map(o=>o.dtype).reduce((o,l)=>ia(o,l)),s=a.map(o=>o.shape),i=J().getBool("WEBGL_PACK")?new hB(a[0].shape,s):new cB(a[0].shape,s);return n.runWebGLProgram(i,a,r)}var fB={kernelName:is,backendName:"webgl",kernelFunc:bh};function mB(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,keepDims:i}=a,o=r.shape.length,l=w.parseAxisParam(s,r.shape),d=l,u=C.getAxesPermutation(d,o),p=r;u!=null&&(p=cn({inputs:{x:r},backend:n,attrs:{perm:u}}),d=C.getInnerMostAxes(d.length,o)),C.assertAxesAreInnerMostDims("all",d,o);let[c,h]=C.computeOutAndReduceShapes(p.shape,d),m=w.sizeFromShape(h),f=fe({inputs:{x:p},backend:n,attrs:{shape:[-1,m]}}),A=Ni(f,f.dtype,"all",n),y;if(i){let g=C.expandShapeToKeepDim(c,l);y=fe({inputs:{x:A},backend:n,attrs:{shape:g}})}else y=fe({inputs:{x:A},backend:n,attrs:{shape:c}});return n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(A),u!=null&&n.disposeIntermediateTensorInfo(p),y}var AB={kernelName:ao,backendName:"webgl",kernelFunc:mB};function yB(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,keepDims:i}=a,o=r.shape.length,l=w.parseAxisParam(s,r.shape),d=l,u=C.getAxesPermutation(d,o),p=r;u!=null&&(p=cn({inputs:{x:r},backend:n,attrs:{perm:u}}),d=C.getInnerMostAxes(d.length,o)),C.assertAxesAreInnerMostDims("any",d,o);let[c,h]=C.computeOutAndReduceShapes(p.shape,d),m=w.sizeFromShape(h),f=fe({inputs:{x:p},backend:n,attrs:{shape:[-1,m]}}),A=Ni(f,f.dtype,"any",n),y;if(i){let g=C.expandShapeToKeepDim(c,l);y=fe({inputs:{x:A},backend:n,attrs:{shape:g}})}else y=fe({inputs:{x:A},backend:n,attrs:{shape:c}});return n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(A),u!=null&&n.disposeIntermediateTensorInfo(p),y}var gB={kernelName:ro,backendName:"webgl",kernelFunc:yB},xB=class{constructor(e,t,n){this.variableNames=["A"];let{windowSize:a,batchSize:r,outSize:s}=e;n||this.variableNames.push("bestIndicesA"),this.outputShape=[r,s];let i=t==="max"?">":"<",o=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 * ${a};
int bestIndex = inOffset;
float bestValue = getA(batch, bestIndex);
for (int i = 0; i < ${a}; i++) {
int inIdx = ${o};
float candidate = getA(batch, inIdx);
if (candidate ${i} bestValue) {
bestValue = candidate;
bestIndex = inIdx;
}
}
setOutput(float(bestIndex));
}
`}},bB=class{constructor(e,t,n,a){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,w.assert(e.length>2,()=>`Packed arg${n.charAt(0).toUpperCase()+n.slice(1)} supports only inputs with rank above 2.`);let r=e[e.length-1],s=Math.ceil(r/t);this.outputShape=e.slice(0,-1),s>1&&this.outputShape.push(s),a||this.variableNames.push("bestIndicesA");let i=this.outputShape,o=i.length,l=lt(o),d=pn("coords",o),u,p;if(s===1){p=o+1;let I=lt(p);u=`
${I} sourceLocR = ${I}(${d.join()}, 0);
++${d[o-1]};
${I} sourceLocG = ${I}(${d.join()}, 0);
++${d[o-2]};
${I} sourceLocA = ${I}(${d.join()}, 0);
--${d[o-1]};
${I} sourceLocB = ${I}(${d.join()}, 0);
--${d[o-2]};`}else p=o,u=`
${l} sourceLocR = coords;
++${d[o-1]};
${l} sourceLocG = coords;
++${d[o-2]};
${l} sourceLocA = coords;
--${d[o-1]};
${l} sourceLocB = coords;
--${d[o-2]};`;let c=["x","y","z","w","u","v"].slice(0,p),h="."+c[p-1],m=c.map(I=>"int "+I),f=pn("sourceLocR",p-1).concat("inIdx.r"),A=pn("sourceLocG",p-1).concat("inIdx.g"),y=pn("sourceLocB",p-1).concat("inIdx.b"),g=pn("sourceLocA",p-1).concat("inIdx.a"),x=n==="max"?"greaterThan":"lessThan",k=a?"":`
inIdx = round(vec4(getBestIndicesAChannel(${f.join()}),
getBestIndicesAChannel(${A.join()}),
getBestIndicesAChannel(${y.join()}),
getBestIndicesAChannel(${g.join()})));`,b=`vec4(
getAChannel(${f.join()}),
hasNextCol ? getAChannel(${A.join()}) : 0.,
hasNextRow ? getAChannel(${y.join()}) : 0.,
hasNextRow && hasNextCol ? getAChannel(${g.join()}) : 0.)`,v=a?"":`
float getBestIndicesAChannel(${m.join()}) {
return getChannel(getBestIndicesA(${c.join()}),
vec2(${c.slice(-2).join()}));
}`;this.userCode=`
float getAChannel(${m.join()}) {
return getChannel(getA(${c.join()}),
vec2(${c.slice(-2).join()}));
}
${v}
void main() {
${l} coords = getOutputCoords();
bool hasNextCol = ${d[o-1]} < ${i[o-1]-1};
bool hasNextRow = ${d[o-2]} < ${i[o-2]-1};
${u}
ivec4 srcIdx = ivec4(sourceLocR${h}, sourceLocG${h},
sourceLocB${h}, sourceLocA${h}) * ${t};
ivec4 inIdx = srcIdx;
vec4 bestIndex = vec4(inIdx);
vec4 bestValue = ${b};
for (int i = 0; i < ${t}; i++) {
inIdx = srcIdx;
${k}
vec4 candidate = ${b};
bvec4 nan = isnan(candidate);
bvec4 replace = bvec4(
vec4(${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 $v(e,t,n,a=null){let r=t.shape[0],s=t.shape[1];a!=null&&(r=a.shape[0],s=a.shape[1]);let i=C.computeOptimalWindowSize(s),o={windowSize:i,inSize:s,batchSize:r,outSize:Math.ceil(s/i)},l=new xB(o,n,a==null),d=[t];a!=null&&d.push(a);let u=e.runWebGLProgram(l,d,"int32");if(u.shape[1]===1)return u;let p=$v(e,t,n,u);return e.disposeIntermediateTensorInfo(u),p}function Dv(e,t,n,a=null){let r=a!=null?a.shape:t.shape,s=r[r.length-1],i=C.computeOptimalWindowSize(s),o=new bB(r,i,n,a==null),l=a==null?[t]:[t,a],d=e.runWebGLProgram(o,l,"int32");if(d.shape.length===t.shape.length){let u=Dv(e,t,n,d);return e.disposeIntermediateTensorInfo(d),u}return d}function Ov(e,t,n,a){let r=[n];if(C.assertAxesAreInnerMostDims("arg"+a.charAt(0).toUpperCase()+a.slice(1),r,t.shape.length),!J().getBool("WEBGL_PACK_REDUCE")||t.shape.length<=2){let s=[],[i,o]=C.computeOutAndReduceShapes(t.shape,r),l=w.sizeFromShape(o),d=fe({inputs:{x:t},backend:e,attrs:{shape:[-1,l]}});s.push(d);let u=$v(e,d,a);s.push(u);let p=fe({inputs:{x:u},backend:e,attrs:{shape:i}});return s.forEach(c=>e.disposeIntermediateTensorInfo(c)),p}return Dv(e,t,a)}function vB(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s}=a,i=w.parseAxisParam(s,r.shape),o=C.getAxesPermutation(i,r.shape.length),l=r,d=[];o!=null&&(l=cn({inputs:{x:r},backend:n,attrs:{perm:o}}),d.push(l),i=C.getInnerMostAxes(i.length,l.shape.length)),C.assertAxesAreInnerMostDims("argMax",[i[0]],l.shape.length);let u=Ov(n,l,i[0],"max");return d.forEach(p=>n.disposeIntermediateTensorInfo(p)),u}var wB={kernelName:os,backendName:"webgl",kernelFunc:vB};function kB(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s}=a,i=w.parseAxisParam(s,r.shape),o=C.getAxesPermutation(i,r.shape.length),l=r,d=[];o!=null&&(l=cn({inputs:{x:r},backend:n,attrs:{perm:o}}),d.push(l),i=C.getInnerMostAxes(i.length,l.shape.length)),C.assertAxesAreInnerMostDims("argMin",[i[0]],l.shape.length);let u=Ov(n,l,i[0],"min");return d.forEach(p=>n.disposeIntermediateTensorInfo(p)),u}var IB={kernelName:hu,backendName:"webgl",kernelFunc:kB},SB=xa+`
if (abs(x) > 1.) {
return NAN;
}
return asin(x);
`,NB=qe({opSnippet:SB}),TB={kernelName:so,backendName:"webgl",kernelFunc:NB},EB=xa+"return log(x + sqrt(x * x + 1.0));",CB=qe({opSnippet:EB}),RB={kernelName:io,backendName:"webgl",kernelFunc:CB},MB=xa+`
return atan(x);
`,FB=qe({opSnippet:MB}),$B={kernelName:oo,backendName:"webgl",kernelFunc:FB},DB=BW+`
return atan(a, b);
`,OB=`
vec4 result = atan(a, b);
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
`+VW+`
return result;
`,zB=en({opSnippet:DB,packedOpSnippet:OB}),_B={kernelName:uo,backendName:"webgl",kernelFunc:zB},PB=xa+`
if ((x < -1.0) || (x > 1.0)) return NAN;
return (log(1.0 + x) - log(1.0 - x)) / 2.0;`,LB=qe({opSnippet:PB}),WB={kernelName:lo,backendName:"webgl",kernelFunc:LB},md=class{constructor(e,t,n,a=!1,r=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let s=e.filterWidth,i=e.strideHeight,o=e.strideWidth,l=e.dilationHeight,d=e.dilationWidth,u=e.effectiveFilterHeight,p=e.effectiveFilterWidth,c=e.padInfo.top,h=e.padInfo.left;this.outputShape=e.outShape;let m=t==="avg",f=`((batch * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + d`,A=`(xR * ${e.inWidth} + xC) * ${e.inChannels} + d`,y="0.0";if(m||(y="-1.0 / 1e-20"),n){let I=">=";this.userCode=`
const ivec2 strides = ivec2(${i}, ${o});
const ivec2 pads = ivec2(${c}, ${h});
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 < ${u};
wR += ${l}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${p};
wC += ${d}) {
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 ${I} currMinMaxValue) {
minMaxValue = value;
minMaxValueFound = 1.0;
minMaxPosition = ${a?r?f:A:`wR * ${p} + wC`};
}
}
}
setOutput(float(minMaxPosition));
}
`;return}let g="max",x=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="avg"&&(x="avgValue / count");let k=Math.floor(s/4)*4,b=s%4,v=`
if (${m}) {
avgValue += dot(values, ones);
} else {
minMaxValue = ${g}(values, minMaxValue);
}
`;this.userCode=`
const ivec2 strides = ivec2(${i}, ${o});
const ivec2 pads = ivec2(${c}, ${h});
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 < ${u};
wR += ${l}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${k}; wC += 4) {
int xC = xCCorner + wC * ${d};
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + ${d}, d),
getValue(batch, xR, xC + 2 * ${d}, d),
getValue(batch, xR, xC + 3 * ${d}, d)
);
${v}
}
int xC = xCCorner + ${k};
if (${b===1}) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
initializationValue,
initializationValue,
initializationValue
);
${v}
} else if (${b===2}) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + ${d}, d),
initializationValue,
initializationValue
);
${v}
} else if (${b===3}) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + ${d}, d),
getValue(batch, xR, xC + 2 * ${d}, d),
initializationValue
);
${v}
}
}
setOutput(${x});
}
`}},m1=class{constructor(e,t,n,a=!1,r=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let s=e.filterWidth,i=e.strideDepth,o=e.strideHeight,l=e.strideWidth,d=e.dilationDepth,u=e.dilationHeight,p=e.dilationWidth,c=e.effectiveFilterDepth,h=e.effectiveFilterHeight,m=e.effectiveFilterWidth,f=e.padInfo.front,A=e.padInfo.top,y=e.padInfo.left;this.outputShape=e.outShape;let g=t==="avg",x="0.0";if(g||(x="-1.0 / 1e-20"),n){let R=">=";this.userCode=`
const ivec3 strides =
ivec3(${i}, ${o}, ${l});
const ivec3 pads = ivec3(${f}, ${A}, ${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 < ${c};
wD += ${d}) {
int xD = xDCorner + wD;
if (xD < 0 || xD >= ${e.inDepth}) {
continue;
}
for (int wR = 0; wR < ${h};
wR += ${u}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${m};
wC += ${p}) {
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 ${R} currMinMaxValue) {
minMaxValue = value;
minMaxValueFound = 1.0;
minMaxPosition = ${a?r?`(((batch * ${e.inDepth} + xD) * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + ch`:`((xD * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + ch`:`wD * ${h} * ${m} +
wR * ${m} + wC`};
}
}
}
}
setOutput(float(minMaxPosition));
}
`;return}let k="max",b=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="avg"&&(b="avgValue / count");let v=Math.floor(s/4)*4,I=s%4,T=`
if (${g}) {
avgValue += dot(values, ones);
} else {
minMaxValue = ${k}(values, minMaxValue);
}
`;this.userCode=`
const ivec3 strides =
ivec3(${i}, ${o}, ${l});
const ivec3 pads = ivec3(${f}, ${A}, ${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 < ${c};
wD += ${d}) {
int xD = xDCorner + wD;
if (xD < 0 || xD >= ${e.inDepth}) {
continue;
}
for (int wR = 0; wR < ${h};
wR += ${u}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${v}; wC += 4) {
int xC = xCCorner + wC * ${p};
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + ${p}, ch),
getValue(batch, xD, xR, xC + 2 * ${p}, ch),
getValue(batch, xD, xR, xC + 3 * ${p}, ch)
);
${T}
}
int xC = xCCorner + ${v};
if (${I===1}) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
initializationValue,
initializationValue,
initializationValue
);
${T}
} else if (${I===2}) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + ${p}, ch),
initializationValue,
initializationValue
);
${T}
} else if (${I===3}) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + ${p}, ch),
getValue(batch, xD, xR, xC + 2 * ${p}, ch),
initializationValue
);
${T}
}
}
setOutput(${b});
}
}
`}};function BB(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t;Nl(r,"avgPool");let{filterSize:s,strides:i,pad:o,dimRoundingMode:l}=a,d=1;w.assert(C.eitherStridesOrDilationsAreOne(i,d),()=>`Error in avgPool: Either strides or dilations must be 1. Got strides ${i} and dilations '${d}'`);let u=C.computePool2DInfo(r.shape,s,i,d,o,l);if(u.filterWidth===1&&u.filterHeight===1&&w.arraysEqual(u.inShape,u.outShape))return Pn({inputs:{x:r},backend:n});let p=new md(u,"avg",!1);return n.runWebGLProgram(p,[r],"float32")}var VB={kernelName:ls,backendName:"webgl",kernelFunc:BB};function jB(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{filterSize:s,strides:i,pad:o,dimRoundingMode:l,dataFormat:d}=a,u=[1,1,1],p=C.computePool3DInfo(r.shape,s,i,u,o,l,d),c=new m1(p,"avg",!1);return n.runWebGLProgram(c,[r],"float32")}var UB={kernelName:fu,backendName:"webgl",kernelFunc:jB},HB=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,a=e.strideHeight,r=e.strideWidth,s=e.dilationHeight,i=e.dilationWidth,o=e.effectiveFilterHeight,l=e.effectiveFilterWidth,d=o-1-e.padInfo.top,u=l-1-e.padInfo.left,p=1/(t*n);this.userCode=`
const ivec2 pads = ivec2(${d}, ${u});
const float avgMultiplier = float(${p});
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 < ${o};
wR += ${s}) {
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 < ${l};
wC+= ${i}) {
float dyC = float(dyCCorner + wC) / ${r}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(b, idyR, idyC, d);
dotProd += dyValue * avgMultiplier;
}
}
setOutput(dotProd);
}
`}},GB=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,a=e.filterWidth,r=e.strideDepth,s=e.strideHeight,i=e.strideWidth,o=e.dilationDepth,l=e.dilationHeight,d=e.dilationWidth,u=e.effectiveFilterDepth,p=e.effectiveFilterHeight,c=e.effectiveFilterWidth,h=u-1-e.padInfo.front,m=p-1-e.padInfo.top,f=c-1-e.padInfo.left,A=1/(t*n*a);this.userCode=`
const ivec3 pads = ivec3(${h}, ${m}, ${f});
const float avgMultiplier = float(${A});
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 < ${u};
wD += ${o}) {
float dyD = float(dyDCorner + wD) / ${r}.0;
if (dyD < 0.0 || dyD >= ${e.outDepth}.0 || fract(dyD) > 0.0) {
continue;
}
int idyD = int(dyD);
for (int wR = 0; wR < ${p};
wR += ${l}) {
float dyR = float(dyRCorner + wR) / ${s}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < ${c};
wC += ${d}) {
float dyC = float(dyCCorner + wC) / ${i}.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 qB(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,input:s}=t,i=s,{filterSize:o,strides:l,pad:d,dimRoundingMode:u}=a,p=[1,1,1],c=C.computePool3DInfo(i.shape,o,l,p,d,u),h=new GB(c);return n.runWebGLProgram(h,[r],i.dtype)}var XB={kernelName:Tp,backendName:"webgl",kernelFunc:qB};function KB(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,input:s}=t,i=s;Nl([r,s],"avgPoolGrad");let{filterSize:o,strides:l,pad:d}=a,u=C.computePool2DInfo(i.shape,o,l,1,d),p=new HB(u);return n.runWebGLProgram(p,[r],i.dtype)}var ZB={kernelName:Np,backendName:"webgl",kernelFunc:KB};function YB(e){let{inputs:t,backend:n,attrs:a}=e,{a:r,b:s}=t,{transposeA:i,transposeB:o}=a;return xh({a:r,b:s,transposeA:i,transposeB:o,backend:n})}var JB={kernelName:us,backendName:"webgl",kernelFunc:YB},QB=class{constructor(e,t,n,a,r,s){this.outputShape=[],this.variableNames=["x","mean","variance"],C.assertAndGetBroadcastShape(e,t),C.assertAndGetBroadcastShape(e,n);let i="0.0";a!=null&&(C.assertAndGetBroadcastShape(e,a),this.variableNames.push("offset"),i="getOffsetAtOutCoords()");let o="1.0";r!=null&&(C.assertAndGetBroadcastShape(e,r),this.variableNames.push("scale"),o="getScaleAtOutCoords()"),this.outputShape=e,this.userCode=`
void main() {
float x = getXAtOutCoords();
float mean = getMeanAtOutCoords();
float variance = getVarianceAtOutCoords();
float offset = ${i};
float scale = ${o};
float inv = scale * inversesqrt(variance + float(${s}));
setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));
}
`}},eV=class{constructor(e,t,n,a,r,s){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],C.assertAndGetBroadcastShape(e,t),C.assertAndGetBroadcastShape(e,n);let i="vec4(0.0)";a!=null&&(C.assertAndGetBroadcastShape(e,a),this.variableNames.push("offset"),i="getOffsetAtOutCoords()");let o="vec4(1.0)";r!=null&&(C.assertAndGetBroadcastShape(e,r),this.variableNames.push("scale"),o="getScaleAtOutCoords()"),this.outputShape=e,this.userCode=`
void main() {
vec4 offset = ${i};
vec4 scale = ${o};
vec4 x = getXAtOutCoords();
vec4 mean = getMeanAtOutCoords();
vec4 variance = getVarianceAtOutCoords();
vec4 inv = scale * inversesqrt(variance + vec4(${s}));
setOutput((x - mean) * inv + offset);
}
`}},tV=({inputs:e,backend:t,attrs:n})=>{let{x:a,mean:r,variance:s,offset:i,scale:o}=e;w.assert(r.shape.length===s.shape.length,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),w.assert(i==null||r.shape.length===i.shape.length,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),w.assert(o==null||r.shape.length===o.shape.length,()=>"Batch normalization gradient requires mean and scale to have equal ranks.");let{varianceEpsilon:l}=n;l==null&&(l=.001);let d=[a,r,s],u=null;i!=null&&(u=i.shape,d.push(i));let p=null;o!=null&&(p=o.shape,d.push(o));let c=J().getBool("WEBGL_PACK_NORMALIZATION")?new eV(a.shape,r.shape,s.shape,u,p,l):new QB(a.shape,r.shape,s.shape,u,p,l);return t.runWebGLProgram(c,d,d[0].dtype)},nV={kernelName:vs,backendName:"webgl",kernelFunc:tV},rV=class{constructor(e){this.variableNames=["source"],this.outputShape=e,this.rank=e.length;let t=lt(this.rank),n=`uniform int start[${this.rank}];`,a=aV(this.rank),r,s=e.map((i,o)=>`sourceLoc.${A1[o]} = start[${o}] + coords.${A1[o]};`);r=`
${t} sourceLoc;
${t} coords = getOutputCoords();
${s.join(`
`)}
`,this.userCode=`
${n}
void main() {
${r}
setOutput(getSource(${a}));
}
`}getCustomSetupFunc(e){if(e.length!==this.rank)throw Error(`The rank (${this.rank}) of the program must match the length of start (${e.length})`);return(t,n)=>{this.startLoc==null&&(this.startLoc=t.getUniformLocationNoThrow(n,"start"),this.startLoc==null)||t.gl.uniform1iv(this.startLoc,e)}}},A1=["x","y","z","w","u","v"];function aV(e){if(e===1)return"sourceLoc";if(e<=6)return A1.slice(0,e).map(t=>"sourceLoc."+t).join(",");throw Error(`Slicing for rank ${e} is not yet supported`)}var sV=class{constructor(e){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.rank=e.length;let t=lt(this.rank),n=pn("coords",this.rank),a=pn("sourceLoc",this.rank),r=this.rank===1?"sourceLoc":`vec2(${a.slice(-2).join()})`,s=`getChannel(getSource(${a.join()}), ${r})`,i=`
result.x = ${s};
if (++${n[this.rank-1]} < ${e[this.rank-1]}) {
++${a[this.rank-1]};
result.y = ${s};
--${a[this.rank-1]};
}
`,o=this.rank===1?"":`
--${n[this.rank-1]};
if (++${n[this.rank-2]} < ${e[this.rank-2]}) {
++${a[this.rank-2]};
result.z = ${s};
if (++${n[this.rank-1]} < ${e[this.rank-1]}) {
++${a[this.rank-1]};
result.w = ${s};
}
}
`,l=this.rank<=4?`sourceLoc = coords +
${t}(${e.map((d,u)=>`start[${u}]`).join()});`:e.map((d,u)=>`${a[u]} = ${n[u]} + start[${u}];`).join(`
`);this.userCode=`
uniform int start[${this.rank}];
void main() {
${t} coords = getOutputCoords();
${t} sourceLoc;
${l}
vec4 result = vec4(0.);
${i}
${o}
setOutput(result);
}
`}getCustomSetupFunc(e){if(e.length!==this.rank)throw Error(`The rank (${this.rank}) of the program must match the length of start (${e.length})`);return(t,n)=>{this.startLoc==null&&(this.startLoc=t.getUniformLocationNoThrow(n,"start"),this.startLoc==null)||t.gl.uniform1iv(this.startLoc,e)}}};function iV(e,t,n,a){let r=a.texData.get(e.dataId),s=a.makeTensorInfo(n,e.dtype),i=a.texData.get(s.dataId);Object.assign(i,r),i.refCount=1,i.shape=n,i.dtype=e.dtype;let o=sn.computeFlatOffset(t,w.computeStrides(e.shape));r.slice&&(o+=r.slice.flatOffset),i.slice={flatOffset:o,origDataId:r.slice&&r.slice.origDataId||e.dataId};let l=a.dataRefCount.get(i.slice.origDataId)||1;return a.dataRefCount.set(i.slice.origDataId,l+1),s}function Ad(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{begin:s,size:i}=a,[o,l]=sn.parseSliceParams(r,s,i);if(sn.assertParamsValid(r,o,l),w.sizeFromShape(l)===0)return n.makeTensorInfo(l,r.dtype,[]);if(n.shouldExecuteOnCPU([r])||r.dtype==="string"){let p=n.texData.get(r.dataId),c=YL(p.values,o,l,r.shape,r.dtype);return n.makeTensorInfo(l,r.dtype,c)}let{isPacked:d}=n.texData.get(r.dataId),u=sn.isSliceContinous(r.shape,o,l);if(d||!u){let p=J().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new sV(l):new rV(l),c=p.getCustomSetupFunc(o);return n.runWebGLProgram(p,[r],r.dtype,c)}return n.uploadToGPU(r.dataId),iV(r,o,l,n)}var oV={kernelName:Ho,backendName:"webgl",kernelFunc:Ad},lV=e=>{let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{blockShape:s,crops:i}=a;w.assert(r.shape.length<=4,()=>"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet");let o=s.reduce((g,x)=>g*x),l=C.getReshaped(r.shape,s,o),d=C.getPermuted(l.length,s.length),u=C.getReshapedPermuted(r.shape,s,o),p=C.getSliceBeginCoords(i,s.length),c=C.getSliceSize(u,i,s.length),h=[],m=fe({inputs:{x:r},backend:n,attrs:{shape:l}}),f=cn({inputs:{x:m},backend:n,attrs:{perm:d}}),A=fe({inputs:{x:f},backend:n,attrs:{shape:u}}),y=Ad({inputs:{x:A},backend:n,attrs:{begin:p,size:c}});return h.push(m),h.push(f),h.push(A),h.forEach(g=>n.disposeIntermediateTensorInfo(g)),y},uV={kernelName:mu,backendName:"webgl",kernelFunc:lV};function dV(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,weights:s}=t,{size:i}=a,o=n.readSync(r.dataId),l=n.readSync(s.dataId),d=uv(o,l,s.dtype,s.shape,i);return n.makeTensorInfo([i],s.dtype,d)}var pV={kernelName:Ep,backendName:"webgl",kernelFunc:dV},cV="return float(a != b);",zv=en({opSnippet:cV,dtype:"bool"}),hV={kernelName:$o,backendName:"webgl",kernelFunc:zv};function yd(e){let{inputs:t,backend:n}=e,{input:a}=t,r=n.texData.get(a.dataId);return Pn({inputs:{x:r.complexTensorInfos.real},backend:n})}var fV={kernelName:Zp,backendName:"webgl",kernelFunc:yd},mV="return float(int(x));";function AV(e,t){let n=new Pr(e.shape,mV),a=t.runWebGLProgram(n,[e],"int32");return{dataId:a.dataId,shape:a.shape,dtype:a.dtype}}function y1(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{dtype:s}=a;if(s==="complex64"){if(r.dtype==="complex64")return Pn({inputs:{x:r},backend:n});let i=Ct(r.shape),o=y1({inputs:{x:r},backend:n,attrs:{dtype:"float32"}}),l=Lr({inputs:{real:o,imag:i},backend:n});return i.dispose(),n.disposeIntermediateTensorInfo(o),l}if(r.dtype==="complex64"){let i=yd({inputs:{input:r},backend:n}),o=y1({inputs:{x:i},backend:n,attrs:{dtype:s}});return n.disposeIntermediateTensorInfo(i),o}if(!w.hasEncodingLoss(r.dtype,s)){let i=Pn({inputs:{x:r},backend:n});return{dataId:i.dataId,shape:i.shape,dtype:s}}if(s==="int32")return AV(r,n);if(s==="bool"){let i=n.makeTensorInfo([],"bool",w.getTypedArrayFromDType("bool",1)),o=zv({inputs:{a:r,b:i},backend:n});return n.disposeIntermediateTensorInfo(i),o}throw new Error(`Error in Cast: failed to cast ${r.dtype} to ${s}`)}var yV={kernelName:ds,backendName:"webgl",kernelFunc:y1},_v="return ceil(x);",gV=qe({opSnippet:_v,packedOpSnippet:_v,cpuKernelImpl:$L}),xV={kernelName:ps,backendName:"webgl",kernelFunc:gV},bV=class{constructor(e){this.variableNames=["A"],this.outputShape=e,this.userCode=`
uniform float minVal;
uniform float maxVal;
void main() {
float value = getAAtOutCoords();
if (isnan(value)) {
setOutput(value);
return;
}
setOutput(clamp(value, minVal, maxVal));
}
`}getCustomSetupFunc(e,t){return(n,a)=>{this.minLoc==null&&(this.minLoc=n.getUniformLocationNoThrow(a,"minVal"),this.maxLoc=n.getUniformLocationNoThrow(a,"maxVal")),n.gl.uniform1f(this.minLoc,e),n.gl.uniform1f(this.maxLoc,t)}}},vV=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.userCode=`
uniform float minVal;
uniform float maxVal;
void main() {
vec4 value = getAAtOutCoords();
if (any(isnan(value))) {
setOutput(value);
return;
}
setOutput(clamp(value, vec4(minVal), vec4(maxVal)));
}
`}getCustomSetupFunc(e,t){return(n,a)=>{this.minLoc==null&&(this.minLoc=n.getUniformLocationNoThrow(a,"minVal"),this.maxLoc=n.getUniformLocationNoThrow(a,"maxVal")),n.gl.uniform1f(this.minLoc,e),n.gl.uniform1f(this.maxLoc,t)}}};function wV(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{clipValueMin:s,clipValueMax:i}=a,o;J().getBool("WEBGL_PACK_CLIP")?o=new vV(r.shape):o=new bV(r.shape);let l=o.getCustomSetupFunc(s,i);return n.runWebGLProgram(o,[r],r.dtype,l)}var kV={kernelName:Ir,backendName:"webgl",kernelFunc:wV},IV=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 Pv(e,t){return{dataId:t.dataId,dtype:t.dtype,shape:e.shape}}function SV(e){let{inputs:t,backend:n}=e,{x:a}=t,r=n.texData.get(a.dataId),s=new IV(a.shape),i=[Pv(a,r.complexTensorInfos.real),Pv(a,r.complexTensorInfos.imag)];return n.runWebGLProgram(s,i,i[0].dtype)}var NV={kernelName:Au,backendName:"webgl",kernelFunc:SV},TV=class{constructor(e){this.outputShape=[],this.outputShape=C.computeOutShape(e,1),this.variableNames=e.map((s,i)=>`T${i}`);let t=new Array(e.length-1);t[0]=e[0][1];for(let s=1;s<t.length;s++)t[s]=t[s-1]+e[s][1];let n=[`if (yC < ${t[0]}) setOutput(getT0(yR, yC));`];for(let s=1;s<t.length;s++){let i=t[s-1];n.push(`else if (yC < ${t[s]}) setOutput(getT${s}(yR, yC-${i}));`)}let a=t.length,r=t[t.length-1];n.push(`else setOutput(getT${a}(yR, yC-${r}));`),this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int yR = coords.x;
int yC = coords.y;
${n.join(`
`)}
}
`}},EV=class{constructor(e,t){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=C.computeOutShape(e,t);let n=this.outputShape,a=n.length,r=lt(a),s=pn("coords",a),i=["x","y","z","w","u","v"].slice(0,a);this.variableNames=e.map((m,f)=>`T${f}`);let o=new Array(e.length-1);o[0]=e[0][t];for(let m=1;m<o.length;m++)o[m]=o[m-1]+e[m][t];let l=i[t],d=i.slice(-2),u=i.join(),p=`if (${l} < ${o[0]}) {
return getChannel(
getT0(${u}), vec2(${d.join()}));
}`;for(let m=1;m<o.length;m++){let f=o[m-1];p+=`
if (${l} < ${o[m]} && ${l} >= ${o[m-1]}) {
return getChannel(
getT${m}(${vh(i,l,f)}),
vec2(${vh(d,l,f)}));
}`}let c=o.length,h=o[o.length-1];p+=`
return getChannel(
getT${c}(${vh(i,l,h)}),
vec2(${vh(d,l,h)}));`,this.userCode=`
float getValue(${i.map(m=>"int "+m)}) {
${p}
}
void main() {
${r} coords = getOutputCoords();
vec4 result = vec4(getValue(${s}), 0., 0., 0.);
${s[a-1]} = ${s[a-1]} + 1;
if (${s[a-1]} < ${n[a-1]}) {
result.g = getValue(${s});
}
${s[a-2]} = ${s[a-2]} + 1;
if (${s[a-2]} < ${n[a-2]}) {
result.a = getValue(${s});
}
${s[a-1]} = ${s[a-1]} - 1;
if (${s[a-2]} < ${n[a-2]} &&
${s[a-1]} < ${n[a-1]}) {
result.b = getValue(${s});
}
setOutput(result);
}
`}};function vh(e,t,n){let a=e.indexOf(t);return e.map((r,s)=>s===a?`${r} - ${n}`:r).join()}function wh(e){let{inputs:t,backend:n}=e,{input:a}=t,r=n.texData.get(a.dataId);return Pn({inputs:{x:r.complexTensorInfos.imag},backend:n})}var CV={kernelName:jp,backendName:"webgl",kernelFunc:wh};function Ol(e,t,n){let a=e[0].dtype;if(a==="complex64"){let u=e.map(f=>yd({inputs:{input:f},backend:n})),p=e.map(f=>wh({inputs:{input:f},backend:n})),c=Ol(u,t,n),h=Ol(p,t,n),m=Lr({inputs:{real:c,imag:h},backend:n});return u.forEach(f=>n.disposeIntermediateTensorInfo(f)),p.forEach(f=>n.disposeIntermediateTensorInfo(f)),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(h),m}let r=n.shouldExecuteOnCPU(e);if(a==="string"&&(r=!0),r){let u=e.map(y=>{let g=w.sizeFromShape(y.shape.slice(t));return fe({inputs:{x:y},backend:n,attrs:{shape:[-1,g]}})}),p=u.map(y=>({vals:n.readSync(y.dataId),shape:y.shape})),c=C.computeOutShape(u.map(y=>y.shape),1),h=u[0].shape[0]===1,m=DL(p,c,a,h),f=C.computeOutShape(e.map(y=>y.shape),t),A=n.makeTensorInfo(f,a,m);return u.forEach(y=>n.disposeIntermediateTensorInfo(y)),A}if(e.length>J().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){let u=Math.floor(e.length/2),p=Ol(e.slice(0,u),t,n),c=Ol(e.slice(u),t,n),h=Ol([p,c],t,n);return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(c),h}if(J().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&e[0].shape.length>1){let u=new EV(e.map(p=>p.shape),t);return n.runWebGLProgram(u,e,a)}let{tensors2D:s,outShape:i}=RV(e,t,n),o=new TV(s.map(u=>u.shape)),l=n.runWebGLProgram(o,s,a);s.forEach(u=>n.disposeIntermediateTensorInfo(u));let d=fe({inputs:{x:l},attrs:{shape:i},backend:n});return n.disposeIntermediateTensorInfo(l),d}function RV(e,t,n){let a=C.computeOutShape(e.map(r=>r.shape),t);return{tensors2D:e.map(r=>fe({inputs:{x:r},attrs:{shape:[-1,w.sizeFromShape(r.shape.slice(t))]},backend:n})),outShape:a}}function Lv(e){let{inputs:t,backend:n,attrs:a}=e,{axis:r}=a,s=w.parseAxisParam(r,t[0].shape)[0],i=C.computeOutShape(t.map(d=>d.shape),s);if(w.sizeFromShape(i)===0)return n.makeTensorInfo(i,t[0].dtype,[]);let o=t.filter(d=>w.sizeFromShape(d.shape)>0);if(o.length===1)return Pn({inputs:{x:o[0]},backend:n});let l=o.map(d=>d.shape);return C.assertParamsConsistent(l,s),Ol(o,s,n)}var MV={kernelName:po,backendName:"webgl",kernelFunc:Lv},Wv=class{constructor(e,t=!1,n=null,a=!1,r=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let s=e.padInfo.top,i=e.padInfo.left,o=e.strideHeight,l=e.strideWidth,d=e.dilationHeight,u=e.dilationWidth,p=e.filterHeight,c=e.filterWidth,h=Math.floor(e.inChannels/4)*4,m=e.inChannels%4,f=e.dataFormat==="channelsLast",A=f?1:2,y=f?2:3,g=f?3:1,x="",k="";n&&(a?x=`float activation(float a) {
float b = getPreluActivationWeightsAtOutCoords();
${n}
}`:r?x=`float activation(float a) {
float b = getLeakyreluAlphaAtOutCoords();
${n}
}`:x=`
float activation(float x) {
${n}
}
`,k="result = activation(result);");let b=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),a&&this.variableNames.push("preluActivationWeights"),r&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
${x}
const ivec2 strides = ivec2(${o}, ${l});
const ivec2 pads = ivec2(${s}, ${i});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d2 = coords[${g}];
ivec2 xRCCorner =
ivec2(coords[${A}], coords[${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 < ${p}; wR++) {
int xR = xRCorner + wR * ${d};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${c}; wC++) {
int xC = xCCorner + wC * ${u};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
for (int d1 = 0; d1 < ${h}; d1 += 4) {
vec4 wValues = vec4(
getW(wR, wC, d1, d2),
getW(wR, wC, d1 + 1, d2),
getW(wR, wC, d1 + 2, d2),
getW(wR, wC, d1 + 3, d2)
);
if (${f}) {
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 (${m===1}) {
if (${f}) {
dotProd +=
getX(batch, xR, xC, ${h}) *
getW(wR, wC, ${h}, d2);
} else {
dotProd +=
getX(batch, ${h}, xR, xC) *
getW(wR, wC, ${h}, d2);
}
} else if (${m===2}) {
vec2 wValues = vec2(
getW(wR, wC, ${h}, d2),
getW(wR, wC, ${h} + 1, d2)
);
if (${f}) {
vec2 xValues = vec2(
getX(batch, xR, xC, ${h}),
getX(batch, xR, xC, ${h} + 1)
);
dotProd += dot(xValues, wValues);
} else {
vec2 xValues = vec2(
getX(batch, ${h}, xR, xC),
getX(batch, ${h} + 1, xR, xC)
);
dotProd += dot(xValues, wValues);
}
} else if (${m===3}) {
vec3 wValues = vec3(
getW(wR, wC, ${h}, d2),
getW(wR, wC, ${h} + 1, d2),
getW(wR, wC, ${h} + 2, d2)
);
if (${f}) {
vec3 xValues = vec3(
getX(batch, xR, xC, ${h}),
getX(batch, xR, xC, ${h} + 1),
getX(batch, xR, xC, ${h} + 2)
);
dotProd += dot(xValues, wValues);
} else {
vec3 xValues = vec3(
getX(batch, ${h}, xR, xC),
getX(batch, ${h} + 1, xR, xC),
getX(batch, ${h} + 2, xR, xC)
);
dotProd += dot(xValues, wValues);
}
}
}
}
float result = dotProd;
${b}
${k}
setOutput(result);
}
`}},FV=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let t=e.padInfo.front,n=e.padInfo.top,a=e.padInfo.left,r=e.strideDepth,s=e.strideHeight,i=e.strideWidth,o=e.dilationDepth,l=e.dilationHeight,d=e.dilationWidth,u=e.filterDepth,p=e.filterHeight,c=e.filterWidth,h=Math.floor(e.inChannels/4)*4,m=e.inChannels%4;this.userCode=`
const ivec3 strides = ivec3(${r}, ${s}, ${i});
const ivec3 pads = ivec3(${t}, ${n}, ${a});
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 < ${u}; wF++) {
int xF = xFCorner + wF * ${o};
if (xF < 0 || xF >= ${e.inDepth}) {
continue;
}
for (int wR = 0; wR < ${p}; wR++) {
int xR = xRCorner + wR * ${l};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${c}; wC++) {
int xC = xCCorner + wC * ${d};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
for (int d1 = 0; d1 < ${h}; d1 += 4) {
vec4 xValues = vec4(
getX(batch, xF, xR, xC, d1),
getX(batch, xF, xR, xC, d1 + 1),
getX(batch, xF, xR, xC, d1 + 2),
getX(batch, xF, xR, xC, d1 + 3)
);
vec4 wValues = vec4(
getW(wF, wR, wC, d1, d2),
getW(wF, wR, wC, d1 + 1, d2),
getW(wF, wR, wC, d1 + 2, d2),
getW(wF, wR, wC, d1 + 3, d2)
);
dotProd += dot(xValues, wValues);
}
if (${m===1}) {
dotProd +=
getX(batch, xF, xR, xC, ${h}) *
getW(wF, wR, wC, ${h}, d2);
} else if (${m===2}) {
vec2 xValues = vec2(
getX(batch, xF, xR, xC, ${h}),
getX(batch, xF, xR, xC, ${h} + 1)
);
vec2 wValues = vec2(
getW(wF, wR, wC, ${h}, d2),
getW(wF, wR, wC, ${h} + 1, d2)
);
dotProd += dot(xValues, wValues);
} else if (${m===3}) {
vec3 xValues = vec3(
getX(batch, xF, xR, xC, ${h}),
getX(batch, xF, xR, xC, ${h} + 1),
getX(batch, xF, xR, xC, ${h} + 2)
);
vec3 wValues = vec3(
getW(wF, wR, wC, ${h}, d2),
getW(wF, wR, wC, ${h} + 1, d2),
getW(wF, wR, wC, ${h} + 2, d2)
);
dotProd += dot(xValues, wValues);
}
}
}
}
setOutput(dotProd);
}
`}},$V=class{constructor(e,t,n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;let{filterWidth:a,inChannels:r,strideWidth:s,strideHeight:i,padInfo:o,outWidth:l,dilationWidth:d,dilationHeight:u,dataFormat:p}=n,{left:c,top:h}=o,m=r*a,f=dn(),A=p==="channelsLast",y=A?0:1,g=A?1:2,x="";for(let k=0;k<=1;k++)for(let b=0;b<=1;b++)x+=`
blockIndex = rc.y + ${b};
pos = rc.x + ${k};
if(blockIndex < ${e[1]} && pos < ${e[0]}) {
offsetY = int(blockIndex / (${l})) * ${i} - ${h};
d0 = offsetY + ${u} * (pos / ${m});
if(d0 < ${t[y]} && d0 >= 0) {
offsetX = int(mod(float(blockIndex), ${l}.) * ${s}. - ${c}.);
d1 = offsetX + ${d} * (int(mod(float(pos), ${m}.) / ${r}.));
if(d1 < ${t[g]} && d1 >= 0) {
ch = int(mod(float(pos), ${r}.));
if (${A}) {
innerDims = vec2(d1, ch);
result[${k*2+b}] = getChannel(
getA(d0, int(innerDims.x),
int(innerDims.y)), innerDims);
} else {
innerDims = vec2(d0, d1);
result[${k*2+b}] = 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}
${f.output} = result;
}
`}};function Bv({x:e,filter:t,convInfo:n,backend:a,bias:r=null,preluActivationWeights:s=null,leakyreluAlpha:i=0,activation:o=null}){let l=e.shape,d=a.texData.get(e.dataId),u=n.inChannels,p=l[0]*l[1]*l[2],c=n.outChannels,h=n.dataFormat==="channelsLast",m=!1,f=!1,A,y=[],g=(p===1||c===1)&&u>Rv,x=l[2]%2!=0&&!!d.isPacked;if(g||!J().getBool("WEBGL_LAZILY_UNPACK")||!J().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!x){let k=h?l[0]*l[1]*l[2]:l[0]*l[2]*l[3],b=fe({inputs:{x:e},backend:a,attrs:{shape:[1,k,n.inChannels]}}),v=fe({inputs:{x:t},backend:a,attrs:{shape:[1,n.inChannels,n.outChannels]}}),I=xh({a:b,b:v,transposeA:m,transposeB:f,backend:a,bias:r,activation:o,preluActivationWeights:s,leakyreluAlpha:i});A=fe({inputs:{x:I},backend:a,attrs:{shape:n.outShape}}),y.push(b),y.push(v),y.push(I)}else{let k=h?l[0]*l[1]*(l[2]+1):l[0]*l[2]*(l[3]+1),b={dataId:e.dataId,shape:[1,k,n.inChannels],dtype:e.dtype},v=d.shape;d.shape=d.shape.slice(),d.shape[d.shape.length-2]++,w.assert(ud(d.shape,b.shape),()=>`packed reshape ${d.shape} to ${b.shape} isn't free`);let I=fe({inputs:{x:t},backend:a,attrs:{shape:[1,n.inChannels,n.outChannels]}});y.push(I);let T=xh({a:b,b:I,backend:a,transposeA:m,transposeB:f,bias:r,activation:o,preluActivationWeights:s,leakyreluAlpha:i}),R=a.texData.get(T.dataId);w.assert(R.isPacked,()=>"batchMatMul result is expected to be packed"),d.shape=v,R.shape=n.outShape,A=Pn({inputs:{x:T},backend:a}),A.shape=n.outShape,y.push(T)}for(let k of y)a.disposeIntermediateTensorInfo(k);return A}function Vv({x:e,filter:t,convInfo:n,backend:a,bias:r=null,preluActivationWeights:s=null,leakyreluAlpha:i=0,activation:o=null}){let{filterWidth:l,filterHeight:d,inChannels:u,outWidth:p,outHeight:c,dataFormat:h}=n,m=h==="channelsLast",f=l*d*u,A=c*p,y=[f,A],g=!0,x=!1,k=[],b=fe({inputs:{x:e},backend:a,attrs:{shape:e.shape.slice(1)}}),v=fe({inputs:{x:t},backend:a,attrs:{shape:[1,f,w.sizeFromShape(t.shape)/f]}});k.push(b),k.push(v);let I=new $V(y,b.shape,n),T=a.runWebGLProgram(I,[b],"float32"),R=fe({inputs:{x:T},backend:a,attrs:{shape:[1,y[0],y[1]]}});k.push(T),k.push(R);let $=r!=null,z=s!=null,_=o==="leakyrelu",V=o?Ah(o,!0):null,j=new Sv(R.shape,v.shape,[1,A,n.outChannels],g,x,$,V,z,_),U=[R,v];if(r&&U.push(r),z&&U.push(s),_){let Y=a.makeTensorInfo([],"float32",w.createScalarValue(i,"float32"));U.push(Y),k.push(Y)}let X=a.runWebGLProgram(j,U,"float32"),G=m?[1,c,p,n.outChannels]:[1,n.outChannels,c,p],ee=fe({inputs:{x:X},backend:a,attrs:{shape:G}});k.push(X);for(let Y of k)a.disposeIntermediateTensorInfo(Y);return ee}function DV(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s}=t,{strides:i,pad:o,dataFormat:l,dilations:d,dimRoundingMode:u}=a,p=C.convertConv2DDataFormat(l),c=C.computeConv2DInfo(r.shape,s.shape,i,d,o,u,!1,p),h;if(c.filterHeight===1&&c.filterWidth===1&&c.dilationHeight===1&&c.dilationWidth===1&&c.strideHeight===1&&c.strideWidth===1&&(c.padInfo.type==="SAME"||c.padInfo.type==="VALID"))h=Bv({x:r,filter:s,convInfo:c,backend:n});else if(J().getBool("WEBGL_CONV_IM2COL")&&r.shape[0]===1)h=Vv({x:r,filter:s,convInfo:c,backend:n});else{let f=new Wv(c);h=n.runWebGLProgram(f,[r,s],"float32")}let m=fe({inputs:{x:h},backend:n,attrs:{shape:c.outShape}});return n.disposeIntermediateTensorInfo(h),m}var OV={kernelName:cs,backendName:"webgl",kernelFunc:DV},zV=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,a=e.padInfo.top,r=e.padInfo.left,s=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} - ${a};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int yC = 0; yC < ${e.outWidth}; yC++) {
int xC = wC + yC * ${n} - ${r};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
if (${s}) {
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);
}
`}},_V=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,a=e.strideHeight,r=e.strideWidth,s=e.dataFormat==="channelsLast",i=t-1-e.padInfo.top,o=n-1-e.padInfo.left,l=s?1:2,d=s?2:3,u=s?3:1;this.userCode=`
const ivec2 pads = ivec2(${i}, ${o});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d1 = coords[${u}];
ivec2 dyCorner = ivec2(coords[${l}], coords[${d}]) - 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) / ${a}.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) / ${r}.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 < ${e.outChannels}; d2++) {
if (${s}) {
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);
}
`}},PV=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideDepth,n=e.strideHeight,a=e.strideWidth,r=e.padInfo.front,s=e.padInfo.top,i=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} - ${r};
if (xF < 0 || xF >= ${e.inDepth}) {
continue;
}
for (int yR = 0; yR < ${e.outHeight}; yR++) {
int xR = wR + yR * ${n} - ${s};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int yC = 0; yC < ${e.outWidth}; yC++) {
int xC = wC + yC * ${a} - ${i};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
float dyValue = getDy(b, yF, yR, yC, d2);
float xValue = getX(b, xF, xR, xC, d1);
dotProd += (xValue * dyValue);
}
}
}
}
setOutput(dotProd);
}
`}},LV=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,a=e.filterWidth,r=e.strideDepth,s=e.strideHeight,i=e.strideWidth,o=t-1-e.padInfo.front,l=n-1-e.padInfo.top,d=a-1-e.padInfo.left;this.userCode=`
const ivec3 pads = ivec3(${o}, ${l}, ${d});
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) / ${r}.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) / ${s}.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 < ${a}; wC++) {
float dyC = float(dyCCorner + wC) / ${i}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
int wCPerm = ${a} - 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 WV(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,dy:s}=t,{strides:i,pad:o,dataFormat:l,dimRoundingMode:d,filterShape:u}=a,p=C.convertConv2DDataFormat(l),c=C.computeConv2DInfo(r.shape,u,i,1,o,d,!1,p),h=new zV(c);return n.runWebGLProgram(h,[r,s],"float32")}var BV={kernelName:Rp,backendName:"webgl",kernelFunc:WV};function VV(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,filter:s}=t,{inputShape:i,strides:o,pad:l,dataFormat:d,dimRoundingMode:u}=a,p=C.convertConv2DDataFormat(d),c=C.computeConv2DInfo(i,s.shape,o,1,l,u,!1,p),h=new _V(c);return n.runWebGLProgram(h,[r,s],"float32")}var jV={kernelName:hs,backendName:"webgl",kernelFunc:VV};function UV(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s}=t,{strides:i,pad:o,dilations:l}=a,d=C.computeConv3DInfo(r.shape,s.shape,i,l,o),u=new FV(d);return n.runWebGLProgram(u,[r,s],"float32")}var HV={kernelName:yu,backendName:"webgl",kernelFunc:UV};function GV(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,dy:s}=t,{strides:i,pad:o,filterShape:l}=a,d=C.computeConv3DInfo(r.shape,l,i,1,o),u=new PV(d);return n.runWebGLProgram(u,[r,s],"float32")}var qV={kernelName:Mp,backendName:"webgl",kernelFunc:GV};function XV(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,filter:s}=t,{pad:i,strides:o,inputShape:l}=a,d=C.computeConv3DInfo(l,s.shape,o,1,i),u=new LV(d);return n.runWebGLProgram(u,[r,s],"float32")}var KV={kernelName:Fp,backendName:"webgl",kernelFunc:XV},ZV=Iv+`
return cos(x);
`,YV=qe({opSnippet:ZV}),JV={kernelName:fs,backendName:"webgl",kernelFunc:YV},QV=`
float e2x = exp(-x);
return (e2x + 1.0 / e2x) / 2.0;
`,ej=qe({opSnippet:QV}),tj={kernelName:co,backendName:"webgl",kernelFunc:ej},nj=class{constructor(e,t,n,a,r){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];let[s,i,o,l]=e,[d]=t,[u,p]=n;this.outputShape=[d,u,p,l];let c=a==="bilinear"?1:0,[h,m]=[`${i-1}.0`,`${o-1}.0`],[f,A,y]=u>1?[`${(i-1)/(u-1)}`,"(y2-y1) * height_ratio",`y1*${h} + float(y)*(height_scale)`]:["0.0","0.0",`0.5 * (y1+y2) * ${h}`],[g,x,k]=p>1?[`${(o-1)/(p-1)}`,"(x2-x1) * width_ratio",`x1*${m} + float(x)*(width_scale)`]:["0.0","0.0",`0.5 * (x1+x2) * ${m}`];this.userCode=`
const float height_ratio = float(${f});
const float width_ratio = float(${g});
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 >= ${s}) {
return;
}
float height_scale = ${A};
float width_scale = ${x};
float in_y = ${y};
if( in_y < 0.0 || in_y > ${h} ) {
setOutput(float(${r}));
return;
}
float in_x = ${k};
if( in_x < 0.0 || in_x > ${m} ) {
setOutput(float(${r}));
return;
}
vec2 sourceFracIndexCR = vec2(in_x,in_y);
if(${c} == 1) {
// Compute the four integer indices.
ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);
ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));
float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);
float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);
float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);
float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);
vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);
float top = topLeft + (topRight - topLeft) * fracCR.x;
float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;
float newValue = top + (bottom - top) * fracCR.y;
setOutput(newValue);
} else {
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestCR = ivec2(floor(
sourceFracIndexCR + vec2(0.5,0.5)));
float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);
setOutput(newValue);
}
}
`}},aj=e=>{let{inputs:t,backend:n,attrs:a}=e,{image:r,boxes:s,boxInd:i}=t,{cropSize:o,method:l,extrapolationValue:d}=a,u=new nj(r.shape,s.shape,o,l,d);return n.runWebGLProgram(u,[r,s,i],"float32")},rj={kernelName:ho,backendName:"webgl",kernelFunc:aj},Hv=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=e;let a=e.length,r=t?"0.0":`getX(${jv(a,"coords")})`,s=e[e.length-1],i="",o="";t?(i=n?`end != ${s-1}`:"end != 0",o=n?"end + 1":"end - 1"):(i=n?`end + pow2 < ${s}`:"end >= pow2",o=n?"end + pow2":"end - pow2"),this.userCode=`
uniform float index;
void main() {
${lt(a)} coords = getOutputCoords();
int end = ${Uv(a,"coords")};
float val = ${r};
int pow2 = int(pow(2.0, index));
if (${i}) {
int idx = ${o};
${Uv(a,"coords")} = idx;
val += getX(${jv(a,"coords")});
}
setOutput(val);
}
`}getCustomSetupFunc(e){return(t,n)=>{this.index==null&&(this.index=t.getUniformLocation(n,"index")),t.gl.uniform1f(this.index,e)}}};function jv(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 ${e} is not yet supported`)}function Uv(e,t){if(e===1)return`${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 ${e} is not yet supported`)}function sj(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,exclusive:i,reverse:o}=a,l=r.shape.length,d=C.getAxesPermutation([s],l),u=r;d!=null&&(u=cn({inputs:{x:r},backend:n,attrs:{perm:d}}));let p=C.getInnerMostAxes(1,l)[0];if(p!==l-1)throw new Error(`WebGL cumsum shader expects an inner-most axis=${r.shape.length-1} but got axis=${s}`);let c=u.shape[p],h=Pn({inputs:{x:u},backend:n});for(let m=0;m<=Math.ceil(Math.log2(c))-1;m++){let f=new Hv(u.shape,!1,o),A=f.getCustomSetupFunc(m),y=h;h=n.runWebGLProgram(f,[h],h.dtype,A),n.disposeIntermediateTensorInfo(y)}if(i){let m=new Hv(u.shape,i,o),f=h;h=n.runWebGLProgram(m,[h],h.dtype),n.disposeIntermediateTensorInfo(f)}if(d!=null){let m=C.getUndoAxesPermutation(d),f=cn({inputs:{x:h},backend:n,attrs:{perm:m}});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(u),f}return h}var ij={kernelName:ms,backendName:"webgl",kernelFunc:sj};function oj(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,weights:s}=t,{size:i,binaryOutput:o}=a;if(r.shape.length===1){let l=n.readSync(r.dataId),d=n.readSync(s.dataId),u=uv(l,d,s.dtype,s.shape,i);return n.makeTensorInfo([i],s.dtype,u)}else if(r.shape.length===2){let l=n.bufferSync(r),d=n.bufferSync(s),u=FL(l,d,i,o);return n.makeTensorInfo(u.shape,s.dtype,u.values)}throw new Error(`Error in denseBincount: input must be at most rank 2, but got rank${r.shape.length}.`)}var lj={kernelName:$p,backendName:"webgl",kernelFunc:oj},uj=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 dj(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{blockSize:s,dataFormat:i}=a;w.assert(s>1,()=>`blockSize should be > 1 for depthToSpace, but was: ${s}`);let o=r.shape[0],l=i==="NHWC"?r.shape[1]:r.shape[2],d=i==="NHWC"?r.shape[2]:r.shape[3],u=i==="NHWC"?r.shape[3]:r.shape[1],p=l*s,c=d*s,h=u/(s*s),m=i==="NHWC"?[o,p,c,h]:[o,h,p,c],f=new uj(m,s,i);return n.runWebGLProgram(f,[r],r.dtype)}var pj={kernelName:fo,backendName:"webgl",kernelFunc:dj},Gv=class{constructor(e,t=!1,n=null,a=!1,r=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let s=e.inHeight,i=e.inWidth,o=e.padInfo.top,l=e.padInfo.left,d=e.strideHeight,u=e.strideWidth,p=e.dilationHeight,c=e.dilationWidth,h=e.filterHeight,m=e.filterWidth,f=e.outChannels/e.inChannels,A="",y="";n&&(a?A=`float activation(float a) {
float b = getPreluActivationWeightsAtOutCoords();
${n}
}`:r?A=`float activation(float a) {
float b = getLeakyreluAlphaAtOutCoords();
${n}
}`:A=`
float activation(float x) {
${n}
}
`,y="result = activation(result);");let g=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),a&&this.variableNames.push("preluActivationWeights"),r&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
${A}
const ivec2 strides = ivec2(${d}, ${u});
const ivec2 pads = ivec2(${o}, ${l});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
ivec2 xRCCorner = coords.yz * strides - pads;
int d2 = coords.w;
int d1 = d2 / ${f};
int q = d2 - d1 * ${f};
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 < ${h}; wR++) {
int xR = xRCorner + wR * ${p};
if (xR < 0 || xR >= ${s}) {
continue;
}
for (int wC = 0; wC < ${m}; wC++) {
int xC = xCCorner + wC * ${c};
if (xC < 0 || xC >= ${i}) {
continue;
}
float xVal = getX(batch, xR, xC, d1);
float wVal = getW(wR, wC, d1, q);
dotProd += xVal * wVal;
}
}
float result = dotProd;
${g}
${y}
setOutput(result);
}
`}},qv=class{constructor(e,t=!1,n=null,a=!1,r=!1){this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e.outShape;let s=e.outChannels/e.inChannels,i=e.inHeight,o=e.inWidth,l=e.padInfo.top,d=e.padInfo.left,u=e.strideHeight,p=e.strideWidth,c=e.dilationHeight,h=e.dilationWidth,m=e.filterHeight,f=e.filterWidth,A=f,y=`
int xR; int xC; int xCOffset;
vec4 wTexel; vec4 previous; vec4 final;`;for(let b=0;b<f;b++)y+=`
vec4 xTexelC${b*2};
vec4 xC${b};`;for(let b=0;b<m;b++){for(let v=0;v<f;v++)y+=`
xTexelC${v*2} = vec4(0.0);
xC${v} = vec4(0.0);`;y+=`
xR = xRCorner + ${b*c};
if (xR >=0 && xR < ${i}) {
`;for(let v=0;v<A/2+1;v++){let I=v*2;if(y+=`
xC = xCCorner + ${I*h};
`,p===1){if(I<f&&(d%2==1?(y+=`
xCOffset = xC + 1;
if (xCOffset >= 0 && xCOffset < ${o}) {
xTexelC${I} = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${o}) {
xTexelC${I}.zw = vec2(0.0);
}
}
`,h===1&&I>0?y+=`
xC${I} = vec4(xTexelC${I-2}.zw, xTexelC${I}.xy);
`:y+=`
xCOffset = xC + 1 - 2;
if (xCOffset >= 0 && xCOffset < ${o}) {
previous = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${o}) {
previous.zw = vec2(0.0);
}
xC${I} = vec4(previous.zw, xTexelC${I}.xy);
} else {
xC${I} = vec4(0.0, 0.0, xTexelC${I}.xy);
}
`):y+=`
if (xC >= 0 && xC < ${o}) {
xTexelC${I} = getX(batch, xR, xC, d1);
if (xC + 1 >= ${o}) {
xTexelC${I}.zw = vec2(0.0);
}
}
xC${I} = xTexelC${I};
`,I+1<f)){let T=d%2==0?w.nearestLargerEven(h):h;h%2==0&&d%2==1||h%2!=0&&d%2!=1?(y+=`
xCOffset = xC + ${d%2} + ${T};
if (xCOffset >= 0 && xCOffset < ${o}) {
xTexelC${I+2} = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${o}) {
xTexelC${I+2}.zw = vec2(0.0);
}
}
`,h>1&&(y+=`
xCOffset -= 2;
if (xCOffset >= 0 && xCOffset < ${o}) {
xTexelC${I} = getX(batch, xR, xCOffset, d1);
}
`),y+=`
xC${I+1} = vec4(xTexelC${I}.zw, xTexelC${I+2}.xy);
`):T===1?y+=`
xC${I+1} = xTexelC${I};
`:y+=`
xCOffset = xC + ${T};
if (xCOffset >= 0 && xCOffset < ${o}) {
xTexelC${I+2} = getX(batch, xR, xCOffset, d1);
if (xCOffset + 1 >= ${o}) {
xTexelC${I+2}.zw = vec2(0.0);
}
}
xC${I+1} = xTexelC${I+2};
`}}else I<f&&(d%2==1?(y+=`
xCOffset = xC + 1 - ${p};
if(xCOffset >= 0 && xCOffset < ${o}) {
xTexelC${I} = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${o}) {
xTexelC${I}.zw = vec2(0.0);
}
}
if(xC + 1 >= 0 && xC + 1 < ${o}) {
xTexelC${I+2} = getX(batch, xR, xC + 1, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xC + 2 >= ${o}) {
xTexelC${I+2}.zw = vec2(0.0);
}
}
xC${I} = vec4(xTexelC${I}.zw, xTexelC${I+2}.zw);
`,I+1<f&&(y+=`
final = vec4(0.0);
xCOffset = xC + 1 + ${p};
if(xCOffset >= 0 && xCOffset < ${o}) {
final = getX(batch, xR, xCOffset, d1);
}
xC${I+1} = vec4(xTexelC${I+2}.xy, final.xy);
`)):(y+=`
if(xC >= 0 && xC < ${o}) {
xTexelC${I} = getX(batch, xR, xC, d1);
if (xC + 1 >= ${o}) {
xTexelC${I}.zw = vec2(0.0);
}
}
xCOffset = xC + ${p};
if(xCOffset >= 0 && xCOffset < ${o}) {
xTexelC${I+2} = getX(batch, xR, xCOffset, d1);
if (xCOffset + 1 >= ${o}) {
xTexelC${I+2}.zw = vec2(0.);
}
}
xC${I} = vec4(
xTexelC${I}.xy, xTexelC${I+2}.xy);
`,I+1<f&&(y+=`
xC${I+1} = vec4(xTexelC${I}.zw, xTexelC${I+2}.zw);
`)));I<f&&(y+=`
wTexel = getW(${b}, ${I}, d1, q);
dotProd += xC${I} * vec4(wTexel.xz, wTexel.xz);
`,I+1<f&&(y+=`
wTexel = getW(${b}, ${I+1}, d1, q);
dotProd += xC${I+1} * vec4(wTexel.xz, wTexel.xz);
`))}y+=`
}
`}let g="",x="";n&&(a?g=`vec4 activation(vec4 a) {
vec4 b = getPreluActivationWeightsAtOutCoords();
${n}
}`:r?g=`vec4 activation(vec4 a) {
vec4 b = getLeakyreluAlphaAtOutCoords();
${n}
}`:g=`vec4 activation(vec4 x) {
${n}
}`,x="result = activation(result);");let k=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),a&&this.variableNames.push("preluActivationWeights"),r&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
${g}
const ivec2 strides = ivec2(${u}, ${p});
const ivec2 pads = ivec2(${l}, ${d});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
ivec2 xRCCorner = coords.yz * strides - pads;
int d2 = coords.w;
int d1 = d2 / ${s};
int q = d2 - d1 * ${s};
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);
${k}
${x}
setOutput(result);
}
`}};function cj(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s}=t,{strides:i,pad:o,dilations:l,dimRoundingMode:d}=a,u=l;u==null&&(u=[1,1]),w.assert(C.eitherStridesOrDilationsAreOne(i,u),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides ${i} and dilations '${u}'`);let p=C.computeConv2DInfo(r.shape,s.shape,i,u,o,d,!0),c;return J().getBool("WEBGL_PACK_DEPTHWISECONV")&&p.strideWidth<=2&&p.outChannels/p.inChannels==1?c=new qv(p):c=new Gv(p),n.runWebGLProgram(c,[r,s],"float32")}var hj={kernelName:As,backendName:"webgl",kernelFunc:cj},fj=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,a=e.padInfo.top,r=e.padInfo.left,s=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 * ${s} + 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} - ${a};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int yC = 0; yC < ${e.outWidth}; yC++) {
int xC = wC + yC * ${n} - ${r};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
float dyValue = getDy(b, yR, yC, d2);
float xValue = getX(b, xR, xC, d1);
dotProd += (xValue * dyValue);
}
}
}
setOutput(dotProd);
}
`}},mj=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,a=e.strideHeight,r=e.strideWidth,s=t-1-e.padInfo.top,i=n-1-e.padInfo.left,o=e.outChannels/e.inChannels;this.userCode=`
const ivec2 pads = ivec2(${s}, ${i});
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) / ${a}.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) / ${r}.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 < ${o}; dm++) {
int d2 = d1 * ${o} + dm;
float xValue = getDy(batch, idyR, idyC, d2);
float wValue = getW(wRPerm, wCPerm, d1, dm);
dotProd += xValue * wValue;
}
}
}
setOutput(dotProd);
}
`}};function Aj(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,dy:s}=t,{strides:i,dilations:o,pad:l,dimRoundingMode:d,filterShape:u}=a,p=C.computeConv2DInfo(r.shape,u,i,o,l,d,!0),c=new fj(p);return n.runWebGLProgram(c,[r,s],"float32")}var yj={kernelName:Dp,backendName:"webgl",kernelFunc:Aj};function gj(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,filter:s}=t,{strides:i,dilations:o,pad:l,dimRoundingMode:d,inputShape:u}=a,p=C.computeConv2DInfo(u,s.shape,i,o,l,d,!0),c=new mj(p);return n.runWebGLProgram(c,[r,s],"float32")}var xj={kernelName:Op,backendName:"webgl",kernelFunc:gj},bj=class{constructor(e){this.variableNames=["X"],this.outputShape=[e,e],this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;
setOutput(val);
}
`}};function vj(e){let{inputs:t,backend:n}=e,{x:a}=t,r=[...a.shape,...a.shape],s=w.sizeFromShape(a.shape),i=fe({inputs:{x:a},backend:n,attrs:{shape:[s]}}),o=new bj(s),l=n.runWebGLProgram(o,[i],i.dtype),d=fe({inputs:{x:l},backend:n,attrs:{shape:r}});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(l),d}var wj={kernelName:zp,backendName:"webgl",kernelFunc:vj},kj=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let{inHeight:t,inWidth:n,padInfo:a,strideHeight:r,strideWidth:s,filterHeight:i,filterWidth:o,dilationHeight:l,dilationWidth:d}=e,{top:u,left:p}=a;this.userCode=`
const ivec2 strides = ivec2(${r}, ${s});
const ivec2 pads = ivec2(${u}, ${p});
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 < ${i}; h++) {
int hIn = hBeg + h * ${l};
if (hIn >= 0 && hIn < ${t}) {
for (int w = 0; w < ${o}; w++) {
int wIn = wBeg + w * ${d};
if (wIn >= 0 && wIn < ${n}) {
float xVal = getX(batch, hIn, wIn, d1);
float wVal = getW(h, w, d1);
float val = xVal + wVal;
if (val > curVal) {
curVal = val;
}
}
}
}
}
float result = curVal;
setOutput(result);
}
`}};function Ij(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s}=t,{strides:i,pad:o,dilations:l}=a,d=C.computeDilation2DInfo(r.shape,s.shape,i,o,"NHWC",l),u,p=new kj(d);u=n.runWebGLProgram(p,[r,s],"float32");let c=fe({inputs:{x:u},backend:n,attrs:{shape:d.outShape}});return n.disposeIntermediateTensorInfo(u),c}var Sj={kernelName:gu,backendName:"webgl",kernelFunc:Ij};function Nj(e){let{inputs:t,backend:n,attrs:a}=e,{equation:r}=a,s=t,{allDims:i,summedDims:o,idDims:l}=C.decodeEinsumEquation(r,s.length);C.checkEinsumDimSizes(i.length,l,s);let{path:d,steps:u}=C.getEinsumComputePath(o,l),p=u.length,c=null,h=i.length,m=[];for(let f=0;f<p;++f){for(let A of u[f]){let{permutationIndices:y,expandDims:g}=C.getEinsumPermutation(h,l[A]),x;C.isIdentityPermutation(y)?x=s[A]:(x=cn({inputs:{x:s[A]},backend:n,attrs:{perm:y}}),m.push(x));let k=x.shape.slice();for(let b=0;b<g.length;++b)k.splice(g[b],0,1);w.arraysEqual(x.shape,k)||(x=fe({inputs:{x},backend:n,attrs:{shape:k}}),m.push(x)),c===null?c=x:(c=f1({inputs:{a:x,b:c},backend:n}),m.push(c))}f<p-1&&(d[f]>=0&&(c=gh({inputs:{x:c},backend:n,attrs:{axis:d[f]-(i.length-h),keepDims:!1}}),m.push(c)),h--)}for(let f of m)f!==c&&n.disposeIntermediateTensorInfo(f);return c}var Tj={kernelName:Lp,backendName:"webgl",kernelFunc:Nj},Ej="return (x >= 0.0) ? x : (exp(x) - 1.0);",Cj=`
vec4 result;
result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);
result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);
result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);
result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);
return result;
`,Rj=qe({opSnippet:Ej,packedOpSnippet:Cj}),Mj={kernelName:mo,backendName:"webgl",kernelFunc:Rj},Fj="return (b >= 1.0) ? a : a * (b + 1.0);",$j=`
vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));
return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));
`,Dj=e=>{let{inputs:t,backend:n}=e,{dy:a,y:r}=t,s=J().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new fd($j,a.shape,r.shape):new Dl(Fj,a.shape,r.shape);return n.runWebGLProgram(s,[a,r],a.dtype)},Oj={kernelName:Wp,backendName:"webgl",kernelFunc:Dj},zj=`
return vec4(equal(a, b));
`,_j="return float(a == b);",Pj=en({opSnippet:_j,packedOpSnippet:zj,dtype:"bool"}),Lj={kernelName:yo,backendName:"webgl",kernelFunc:Pj},Wj=`
// Error function is calculated approximately with elementary function.
// See "Handbook of Mathematical Functions with Formulas,
// Graphs, and Mathematical Tables", Abramowitz and Stegun.
float p = ${C.ERF_P};
float a1 = ${C.ERF_A1};
float a2 = ${C.ERF_A2};
float a3 = ${C.ERF_A3};
float a4 = ${C.ERF_A4};
float a5 = ${C.ERF_A5};
float sign = sign(x);
x = abs(x);
float t = 1.0 / (1.0 + p * x);
return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));
`,Bj=qe({opSnippet:Wj}),Vj={kernelName:Ao,backendName:"webgl",kernelFunc:Bj},Xv="return exp(x);",Kv=qe({opSnippet:Xv,packedOpSnippet:Xv,cpuKernelImpl:OL}),jj={kernelName:gs,backendName:"webgl",kernelFunc:Kv};function g1(e){let{inputs:t,attrs:n,backend:a}=e,{dim:r}=n,{input:s}=t,i=s.shape.length,o=s.shape.slice(),l=r;return r<0&&(w.assert(-(i+1)<=r,()=>`Axis must be in the interval [${-(i+1)}, ${i}]`),l=i+r+1),o.splice(l,0,1),fe({inputs:{x:s},backend:a,attrs:{shape:o}})}var Uj={kernelName:go,backendName:"webgl",kernelFunc:g1},Zv="return exp(x) - 1.0;",Hj=qe({opSnippet:Zv,packedOpSnippet:Zv,cpuKernelImpl:zL}),Gj={kernelName:xo,backendName:"webgl",kernelFunc:Hj},Yv=class{constructor(e,t,n){this.variableNames=["real","imag"];let a=t[1];this.outputShape=t;let r=n?`2.0 * ${Math.PI}`:`-2.0 * ${Math.PI}`,s=n?`${a}.0`:"1.0",i;if(e==="real")i="return real * expR - imag * expI;";else if(e==="imag")i="return real * expI + imag * expR;";else throw new Error(`FFT component must be either "real" or "imag", got ${e}.`);this.userCode=`
const float exponentMultiplier = ${r};
float unaryOpComplex(float real, float expR, float imag, float expI) {
${i}
}
float mulMatDFT(int batch, int index) {
float indexRatio = float(index) / float(${a});
float exponentMultiplierTimesIndexRatio =
exponentMultiplier * indexRatio;
float result = 0.0;
for (int i = 0; i < ${a}; 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) / ${s};
}
return result;
}
void main() {
ivec2 coords = getOutputCoords();
setOutput(mulMatDFT(coords[0], coords[1]));
}
`}};function Jv(e,t,n){let a=n.texData.get(e.dataId),r=w.sizeFromShape(e.shape),s=e.shape[e.shape.length-1],i=r/s,o=fe({inputs:{x:e},backend:n,attrs:{shape:[i,s]}}),l=o.shape,d=new Yv("real",l,t),u=new Yv("imag",l,t),p=[{dataId:a.complexTensorInfos.real.dataId,dtype:a.complexTensorInfos.real.dtype,shape:l},{dataId:a.complexTensorInfos.imag.dataId,dtype:a.complexTensorInfos.imag.dtype,shape:l}],c=n.runWebGLProgram(d,p,"float32"),h=n.runWebGLProgram(u,p,"float32"),m=Lr({inputs:{real:c,imag:h},backend:n});n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(h);let f=fe({inputs:{x:m},backend:n,attrs:{shape:e.shape}});return n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(m),f}function qj(e){let{inputs:t,backend:n}=e,{input:a}=t;return Jv(a,!1,n)}var Xj={kernelName:Bp,backendName:"webgl",kernelFunc:qj},Kj=class{constructor(e,t){this.outputShape=[],this.variableNames=["x"],this.outputShape=e,this.userCode=`
uniform float value;
void main() {
// Input can be obtained from uniform value.
setOutput(value);
}
`}getCustomSetupFunc(e){return(t,n)=>{this.valueLoc==null&&(this.valueLoc=t.getUniformLocationNoThrow(n,"value")),t.gl.uniform1f(this.valueLoc,e)}}};function x1(e){let{backend:t,attrs:n}=e,{shape:a,value:r}=n,{dtype:s}=n;if(s=s||w.inferDtype(r),s==="string"){let i=w.getArrayFromDType(s,w.sizeFromShape(a));return i.fill(r),t.makeTensorInfo(a,s,i)}else{let i=new Kj(a,r),o=i.getCustomSetupFunc(r);return t.runWebGLProgram(i,[],s,o)}}var Zj={kernelName:xu,backendName:"webgl",kernelFunc:x1},Yj=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;
float outputValue;
if(coordX >= 0 && coordX < ${t}) {
outputValue = getImage(coords[0], coords[1], coordX, coords[3]);
} else {
outputValue = getImage(coords[0], coords[1], coords[2], coords[3]);
}
setOutput(outputValue);
}
`}},Jj={kernelName:bo,backendName:"webgl",kernelFunc:({inputs:e,backend:t})=>{let{image:n}=e,a=t,r=new Yj(n.shape);return a.runWebGLProgram(r,[n],n.dtype)}},Qv="return floor(x);",Qj=qe({opSnippet:Qv,packedOpSnippet:Qv,cpuKernelImpl:_L}),eU={kernelName:xs,backendName:"webgl",kernelFunc:Qj},tU=`
float s = sign(a) * sign(b);
int ia = round(a);
int ib = round(b);
if (ib != 0) {
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
return float(idiv(ia, ib, s));
} else {
return NAN;
}
`,nU=`
ivec4 ia = round(a);
ivec4 ib = round(b);
bvec4 cond = notEqual(ib, ivec4(0));
ivec4 result = ivec4(0);
vec4 s = sign(a) * sign(b);
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
if (cond[0]) {
result[0] = idiv(ia[0], ib[0], s[0]);
}
if (cond[1]) {
result[1] = idiv(ia[1], ib[1], s[1]);
}
if (cond[2]) {
result[2] = idiv(ia[2], ib[2], s[2]);
}
if (cond[3]) {
result[3] = idiv(ia[3], ib[3], s[3]);
}
return vec4(result);
`,aU=en({opSnippet:tU,packedOpSnippet:nU,dtype:"int32"}),rU={kernelName:bs,backendName:"webgl",kernelFunc:aU},sU=class{constructor(e){this.variableNames=["A"];let t=dn(),[n,a]=e;this.outputShape=e,this.userCode=`
void main() {
ivec3 coords = getOutputCoords();
int texR = coords[0];
int texC = coords[1];
int depth = coords[2];
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${a}.0, ${n}.0);
vec4 values = ${t.texture2D}(A, uv);
float value;
if (depth == 0) {
value = values.r;
} else if (depth == 1) {
value = values.g;
} else if (depth == 2) {
value = values.b;
} else if (depth == 3) {
value = values.a;
}
setOutput(floor(value * 255.0 + 0.5));
}
`}},iU=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let t=dn(),[n,a]=e;this.outputShape=e,this.userCode=`
void main() {
ivec3 coords = getOutputCoords();
int texR = coords[0];
int texC = coords[1];
int depth = coords[2];
vec4 result = vec4(0.);
for(int row=0; row<=1; row++) {
for(int col=0; col<=1; col++) {
texC = coords[1] + row;
depth = coords[2] + col;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${a}.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;
}
`}},lU={kernelName:ac,backendName:"webgl",kernelFunc:oU},zl;function oU(e){let{inputs:t,backend:n,attrs:a}=e,{pixels:r}=t,{numChannels:s}=a,i=typeof HTMLVideoElement!="undefined"&&r instanceof HTMLVideoElement,o=typeof HTMLImageElement!="undefined"&&r instanceof HTMLImageElement,[l,d]=i?[r.videoWidth,r.videoHeight]:[r.width,r.height],u=[d,l],p=[d,l,s];(o||i)&&(zl==null&&(zl=document.createElement("canvas").getContext("2d")),zl.canvas.width=l,zl.canvas.height=d,zl.drawImage(r,0,0,l,d),r=zl.canvas);let c=n.makeTensorInfo(u,"int32");n.texData.get(c.dataId).usage=Jn.PIXELS,n.gpgpu.uploadPixelDataToTexture(n.getTexture(c.dataId),r);let h=J().getBool("WEBGL_PACK")?new iU(p):new sU(p),m=n.runWebGLProgram(h,[c],"int32");return n.disposeData(c.dataId),m}function uU(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s,bias:i,preluActivationWeights:o}=t,{strides:l,pad:d,dataFormat:u,dilations:p,dimRoundingMode:c,activation:h,leakyreluAlpha:m}=a,f=C.convertConv2DDataFormat(u),A=C.computeConv2DInfo(r.shape,s.shape,l,p,d,c,!1,f),y,g=[];if(A.filterHeight===1&&A.filterWidth===1&&A.dilationHeight===1&&A.dilationWidth===1&&A.strideHeight===1&&A.strideWidth===1&&(A.padInfo.type==="SAME"||A.padInfo.type==="VALID"))y=Bv({x:r,filter:s,convInfo:A,backend:n,bias:i,activation:h,preluActivationWeights:o,leakyreluAlpha:m});else if(J().getBool("WEBGL_CONV_IM2COL")&&r.shape[0]===1)y=Vv({x:r,filter:s,convInfo:A,backend:n,bias:i,activation:h,preluActivationWeights:o,leakyreluAlpha:m});else{let k=i!=null,b=o!=null,v=h==="leakyrelu",I=h?Ah(h,!1):null,T=new Wv(A,k,I,b,v),R=[r,s];if(i&&R.push(i),o&&R.push(o),v){let $=n.makeTensorInfo([],"float32",w.createScalarValue(m,"float32"));R.push($),g.push($)}y=n.runWebGLProgram(T,R,"float32")}let x=fe({inputs:{x:y},backend:n,attrs:{shape:A.outShape}});return g.push(y),g.forEach(k=>n.disposeIntermediateTensorInfo(k)),x}var dU={kernelName:ti,backendName:"webgl",kernelFunc:uU};function pU(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,filter:s,bias:i,preluActivationWeights:o}=t,{strides:l,pad:d,dilations:u,dimRoundingMode:p,activation:c,leakyreluAlpha:h}=a,m=[],f=u;f==null&&(f=[1,1]),w.assert(C.eitherStridesOrDilationsAreOne(l,f),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides ${l} and dilations '${f}'`);let A=C.computeConv2DInfo(r.shape,s.shape,l,f,d,p,!0),y=J().getBool("WEBGL_PACK_DEPTHWISECONV")&&A.strideWidth<=2&&A.outChannels/A.inChannels==1,g=c?Ah(c,y):null,x=[r,s],k=i!=null,b=o!=null,v=c==="leakyrelu";if(k&&x.push(i),b&&x.push(o),v){let R=n.makeTensorInfo([],"float32",w.createScalarValue(h,"float32"));x.push(R),m.push(R)}let I;y?I=new qv(A,k,g,b,v):I=new Gv(A,k,g,b,v);let T=n.runWebGLProgram(I,x,"float32");return m.forEach(R=>n.disposeIntermediateTensorInfo(R)),T}var cU={kernelName:ni,backendName:"webgl",kernelFunc:pU},hU=class{constructor(e,t,n){this.sliceDim=e,this.strides=t,this.variableNames=["x","indices"],this.outputShape=n;let a=lt(t.length),r=lt(n.length),s=this.sliceDim>1?"strides[j]":"strides";this.userCode=`
${a} strides = ${a}(${this.strides});
void main() {
${r} coords = getOutputCoords();
int flattenIndex = 0;
for (int j = 0; j < ${this.sliceDim}; j++) {
int index = round(getIndices(coords[0], j));
flattenIndex += index * ${s};
}
setOutput(getX(flattenIndex, coords[1]));
}
`}};function fU(e){let{inputs:t,backend:n}=e,{params:a,indices:r}=t,s=r.shape,i=s[s.length-1],[o,l,d,u]=C.prepareAndValidate(a,r),p=fe({inputs:{x:r},backend:n,attrs:{shape:[l,i]}}),c=fe({inputs:{x:a},backend:n,attrs:{shape:[w.sizeFromShape(a.shape)/d,d]}}),h=new hU(i,u,[l,d]),m=n.runWebGLProgram(h,[c,p],c.dtype),f=fe({inputs:{x:m},backend:n,attrs:{shape:o}});return n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(m),f}var mU={kernelName:wo,backendName:"webgl",kernelFunc:fU},yU=class{constructor(e,t){this.variableNames=["A","indices"],this.outputShape=t,this.rank=t.length;let n=lt(this.rank),a=AU(e,2);this.userCode=`
void main() {
${n} resRC = getOutputCoords();
setOutput(getA(${a}));
}
`}};function AU(e,t){let n=["resRC.x","resRC.y","resRC.z","resRC.w"],a=[];for(let r=0;r<e.length;r++)r===2?a.push("int(getIndices(resRC.x, resRC.z))"):a.push(`${n[r]}`);return a.join()}function gU(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,indices:s}=t,{axis:i,batchDims:o}=a,l=w.parseAxisParam(i,r.shape)[0],d=C.segment_util.collectGatherOpShapeInfo(r,s,l,o),u=w.sizeFromShape(s.shape),p=[],c=fe({inputs:{x:r},backend:n,attrs:{shape:[d.batchSize,d.outerSize,d.dimSize,d.sliceSize]}}),h=fe({inputs:{x:s},backend:n,attrs:{shape:[d.batchSize,u/d.batchSize]}});p.push(c),p.push(h);let m=[d.batchSize,d.outerSize,u/d.batchSize,d.sliceSize];if(n.shouldExecuteOnCPU([r,s])||r.dtype==="string"){let g=n.bufferSync(h),x=n.bufferSync(c),k=PL(x,g,m);return p.forEach(b=>n.disposeIntermediateTensorInfo(b)),n.makeTensorInfo(d.outputShape,k.dtype,k.values)}let f=new yU(c.shape,m),A=n.runWebGLProgram(f,[c,h],c.dtype);p.push(A);let y=fe({inputs:{x:A},backend:n,attrs:{shape:d.outputShape}});return p.forEach(g=>n.disposeIntermediateTensorInfo(g)),y}var xU={kernelName:vo,backendName:"webgl",kernelFunc:gU},bU="return float(a > b);",vU=`
return vec4(greaterThan(a, b));
`,wU=en({opSnippet:bU,packedOpSnippet:vU,cpuKernelImpl:LL,dtype:"bool"}),kU={kernelName:ko,backendName:"webgl",kernelFunc:wU},IU="return float(a >= b);",SU=`
return vec4(greaterThanEqual(a, b));
`,NU=en({opSnippet:IU,packedOpSnippet:SU,dtype:"bool"}),TU={kernelName:ws,backendName:"webgl",kernelFunc:NU};function EU(e){let{inputs:t,backend:n}=e,{input:a}=t;return Jv(a,!0,n)}var CU={kernelName:Vp,backendName:"webgl",kernelFunc:EU},RU="return float(!isnan(x) && !isinf(x));",MU=qe({opSnippet:RU,dtype:"bool"}),FU={kernelName:Io,backendName:"webgl",kernelFunc:MU},$U="return float(isinf(x));",DU=qe({opSnippet:$U,dtype:"bool"}),OU={kernelName:So,backendName:"webgl",kernelFunc:DU},zU="return float(isnan(x));",_U=qe({opSnippet:zU,dtype:"bool"}),PU={kernelName:No,backendName:"webgl",kernelFunc:_U},LU="return float(a < b);",WU=`
return vec4(lessThan(a, b));
`,BU=en({opSnippet:LU,packedOpSnippet:WU,cpuKernelImpl:WL,dtype:"bool"}),VU={kernelName:To,backendName:"webgl",kernelFunc:BU},jU="return float(a <= b);",UU=`
return vec4(lessThanEqual(a, b));
`,HU=en({opSnippet:jU,packedOpSnippet:UU,dtype:"bool"}),GU={kernelName:Eo,backendName:"webgl",kernelFunc:HU};function qU(e){let{backend:t,attrs:n}=e,{start:a,stop:r,num:s}=n,i=BL(a,r,s);return t.makeTensorInfo([i.length],"float32",i)}var XU={kernelName:Up,backendName:"webgl",kernelFunc:qU},KU=`if (x < 0.0) return NAN;
return log(x);`,ZU=`
vec4 result = log(x);
vec4 isNaN = vec4(lessThan(x, vec4(0.0)));
result.r = isNaN.r == 1.0 ? NAN : result.r;
result.g = isNaN.g == 1.0 ? NAN : result.g;
result.b = isNaN.b == 1.0 ? NAN : result.b;
result.a = isNaN.a == 1.0 ? NAN : result.a;
return result;
`,YU=qe({opSnippet:KU,packedOpSnippet:ZU,cpuKernelImpl:VL}),JU={kernelName:Ss,backendName:"webgl",kernelFunc:YU},QU="return log(1.0 + x);",eH=qe({opSnippet:QU}),tH={kernelName:Co,backendName:"webgl",kernelFunc:eH},nH="return float(a >= 1.0 && b >= 1.0);",aH=`
return vec4(
vec4(greaterThanEqual(a, vec4(1.0))) *
vec4(greaterThanEqual(b, vec4(1.0))));
`,rH=en({opSnippet:nH,packedOpSnippet:aH,dtype:"bool"}),sH={kernelName:Ro,backendName:"webgl",kernelFunc:rH},iH="return float(!(x >= 1.0));",oH=qe({opSnippet:iH}),lH={kernelName:bu,backendName:"webgl",kernelFunc:oH},uH="return float(a >= 1.0 || b >= 1.0);",dH=`
return min(
vec4(greaterThanEqual(a, vec4(1.0))) +
vec4(greaterThanEqual(b, vec4(1.0))),
vec4(1.0));
`,pH=en({opSnippet:uH,packedOpSnippet:dH,dtype:"bool"}),cH={kernelName:vu,backendName:"webgl",kernelFunc:pH},hH=class{constructor(e,t,n,a,r){this.variableNames=["x"],this.outputShape=[];let s=t,i=e[3]-1;this.outputShape=e;let o,l=`float(${n}) + float(${a}) * sum`;r===.5?o=`inversesqrt(${l})`:r===1?o=`1.0/(${l})`:o=`exp(log(${l}) * float(-${r}));`,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int r = coords[1];
int c = coords[2];
int d = coords[3];
float x = getX(b, r, c, d);
float sum = 0.0;
for (int j = -${s}; j <= ${s}; j++) {
int idx = d + j;
if (idx >= 0 && idx <= ${i}) {
float z = getX(b, r, c, idx);
sum += z * z;
}
}
float val = x * ${o};
setOutput(val);
}
`}},fH=class{constructor(e,t,n,a,r){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;let s=t,i=e[3]-1;this.outputShape=e;let o,l=`float(${n}) + float(${a}) * sum`;r===.5?o=`inversesqrt(${l})`:r===1?o=`1.0/(${l})`:o=`exp(log(${l}) * float(-${r}));`,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 - ${s};
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 = - ${s}; j <= ${s}; j++) {
ivec2 idx = depth + j;
bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));
bvec2 belowUpperBound = lessThanEqual(idx, ivec2(${i}));
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 * ${o};
setOutput(result);
}
`}},mH=e=>{let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{depthRadius:s,bias:i,alpha:o,beta:l}=a,d=J().getBool("WEBGL_PACK_NORMALIZATION")?new fH(r.shape,s,i,o,l):new hH(r.shape,s,i,o,l);return n.runWebGLProgram(d,[r],r.dtype)},AH={kernelName:wu,backendName:"webgl",kernelFunc:mH},yH=class{constructor(e,t,n,a,r){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=e,this.depth=e[3],this.depthRadius=t,this.bias=n,this.alpha=a,this.beta=r,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 = ${this.depth};
float norm = 0.0;
for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {
if (k < depthBegin){
continue;
}
else if (k >= depthBegin && k < depthEnd) {
norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);
}
else {
break;
}
}
norm = float(${a}) * norm + float(${n});
for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){
if (k < depthBegin){
continue;
}
else if (k >= depthBegin && k < depthEnd){
float dyi = -2.0 * float(${a})
* float(${r})
* getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)
/ norm;
if (k == d) {
dyi += pow(norm, -1.0 * ${r});
}
if (k == coords[3]) {
dyi *= getDy(b, r, c, d);
result += dyi;
}
}
else {
break;
}
}
}
setOutput(result);
}
`}},gH=e=>{let{inputs:t,backend:n,attrs:a}=e,{x:r,y:s,dy:i}=t,{depthRadius:o,bias:l,alpha:d,beta:u}=a,p=new yH(r.shape,o,l,d,u);return n.runWebGLProgram(p,[r,s,i],r.dtype)},xH={kernelName:Hp,backendName:"webgl",kernelFunc:gH};function bH(e,t,n,a){let r=w.sizeFromShape(t),s=w.sizeFromShape(e.shape)/r,i=fe({inputs:{x:e},attrs:{shape:[s,r]},backend:a}),o=Ni(i,e.dtype,"max",a),l=fe({inputs:{x:o},attrs:{shape:n},backend:a});return a.disposeIntermediateTensorInfo(i),a.disposeIntermediateTensorInfo(o),l}function e6(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{reductionIndices:s,keepDims:i}=a,o=r.shape.length,l=w.parseAxisParam(s,r.shape),d=l,u=C.getAxesPermutation(d,o),p=u!=null,c=n.shouldExecuteOnCPU([r]),h=r;if(p){if(c){let g=n.texData.get(h.dataId).values,x=new Array(o);for(let v=0;v<x.length;v++)x[v]=r.shape[u[v]];let k=c1(g,r.shape,r.dtype,u,x);h=n.makeTensorInfo(x,r.dtype);let b=n.texData.get(h.dataId);b.values=k}else h=yh(r,u,n);d=C.getInnerMostAxes(d.length,o)}C.assertAxesAreInnerMostDims("max",d,o);let[m,f]=C.computeOutAndReduceShapes(h.shape,d),A=m;i&&(A=C.expandShapeToKeepDim(m,l));let y;if(c){let g=n.texData.get(h.dataId).values,x=jL(g,w.sizeFromShape(f),A,r.dtype);y=n.makeTensorInfo(A,r.dtype);let k=n.texData.get(y.dataId);k.values=x}else y=bH(h,f,A,n);return p&&n.disposeIntermediateTensorInfo(h),y}var vH={kernelName:Ns,backendName:"webgl",kernelFunc:e6},wH=xv+`
return max(a, b);
`,kH=`
vec4 result = vec4(max(a, b));
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
`+mh+`
return result;
`,IH=en({opSnippet:wH,packedOpSnippet:kH,cpuKernelImpl:UL}),SH={kernelName:Ts,backendName:"webgl",kernelFunc:IH};function NH(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t;Nl(r,"maxPool");let{filterSize:s,strides:i,pad:o,dimRoundingMode:l}=a,d=1;w.assert(C.eitherStridesOrDilationsAreOne(i,d),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${i} and dilations '${d}'`);let u=C.computePool2DInfo(r.shape,s,i,d,o,l);if(u.filterWidth===1&&u.filterHeight===1&&w.arraysEqual(u.inShape,u.outShape))return Pn({inputs:{x:r},backend:n});let p=new md(u,"max",!1);return n.runWebGLProgram(p,[r],r.dtype)}var TH={kernelName:Es,backendName:"webgl",kernelFunc:NH};function EH(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{filterSize:s,strides:i,pad:o,dataFormat:l,dimRoundingMode:d}=a,u=[1,1,1],p=C.computePool3DInfo(r.shape,s,i,u,o,d,l),c=new m1(p,"max",!1);return n.runWebGLProgram(c,[r],r.dtype)}var CH={kernelName:ku,backendName:"webgl",kernelFunc:EH},RH=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideHeight,n=e.strideWidth,a=e.dilationHeight,r=e.effectiveFilterHeight,s=e.effectiveFilterWidth,i=r-1-e.padInfo.top,o=s-1-e.padInfo.left,l=r*s-1;this.userCode=`
const ivec2 pads = ivec2(${i}, ${o});
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 < ${r};
wR += ${a}) {
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 < ${s}; 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 * ${s} + wC;
float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);
dotProd += dyValue * mask;
}
}
setOutput(dotProd);
}
`}},MH=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideDepth,n=e.strideHeight,a=e.strideWidth,r=e.dilationDepth,s=e.dilationHeight,i=e.dilationWidth,o=e.effectiveFilterDepth,l=e.effectiveFilterHeight,d=e.effectiveFilterWidth,u=o-1-e.padInfo.front,p=l-1-e.padInfo.top,c=d-1-e.padInfo.left,h=o*l*d-1;this.userCode=`
const ivec3 pads = ivec3(${u}, ${p}, ${c});
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 < ${o};
wD += ${r}) {
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 += ${s}) {
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 < ${d};
wC += ${i}) {
float dyC = float(dyCCorner + wC) / ${a}.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 = ${h} -
int(getMaxPos(batch, idyD, idyR, idyC, ch));
// Get the current value, check it against the value from the
// position matrix.
int curPosValue =
wD * ${l} * ${d} +
wR * ${d} + wC;
float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);
dotProd += dyValue * mask;
}
}
}
setOutput(dotProd);
}
`}};function FH(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,input:s}=t,i=s,{filterSize:o,strides:l,pad:d,dimRoundingMode:u}=a,p=[1,1,1],c=C.computePool3DInfo(i.shape,o,l,p,d,u),h=new m1(c,"max",!0),m=n.runWebGLProgram(h,[i],i.dtype),f=new MH(c),A=n.runWebGLProgram(f,[r,m],i.dtype);return n.disposeIntermediateTensorInfo(m),A}var $H={kernelName:qp,backendName:"webgl",kernelFunc:FH};function DH(e){let{inputs:t,backend:n,attrs:a}=e,{dy:r,input:s,output:i}=t,o=s;Nl([s,i],"maxPoolGrad");let{filterSize:l,strides:d,pad:u,dimRoundingMode:p}=a,c=C.computePool2DInfo(o.shape,l,d,1,u,p),h=!0,m=new md(c,"max",h),f=n.runWebGLProgram(m,[o],o.dtype),A=new RH(c),y=n.runWebGLProgram(A,[r,f],o.dtype);return n.disposeIntermediateTensorInfo(f),y}var OH={kernelName:Gp,backendName:"webgl",kernelFunc:DH};function zH(e,t,n,a){let r=new md(n,"max",!1),s=a.runWebGLProgram(r,[e],"float32");r=new md(n,"max",!0,!0,t);let i=a.runWebGLProgram(r,[e],"float32");return[s,i]}var _H={kernelName:Xp,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:a}=e,{filterSize:r,strides:s,pad:i,includeBatchInIndex:o}=t,l=n;w.assert(a.shape.length===4,()=>`Error in maxPool: input must be rank 4 but got rank ${a.shape.length}.`);let d=[1,1];w.assert(C.eitherStridesOrDilationsAreOne(s,d),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${s} and dilations '${d}'`);let u=C.computePool2DInfo(a.shape,r,s,d,i),[p,c]=zH(a,o,u,l);return[p,c]}};function PH(e,t,n,a){let r=w.sizeFromShape(t),s=w.sizeFromShape(e.shape)/r,i=fe({inputs:{x:e},attrs:{shape:[s,r]},backend:a}),o=Ni(i,"float32","mean",a),l=fe({inputs:{x:o},attrs:{shape:n},backend:a});return a.disposeIntermediateTensorInfo(i),a.disposeIntermediateTensorInfo(o),l}var LH={kernelName:Cs,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{x:a}=e,{keepDims:r,axis:s}=t,i=n,o=a.shape.length,l=w.parseAxisParam(s,a.shape),d=l,u=C.getAxesPermutation(d,o),p=u!=null,c=i.shouldExecuteOnCPU([a]),h=[],m=a;if(p){if(c){let x=i.texData.get(m.dataId).values,k=new Array(o);for(let I=0;I<k.length;I++)k[I]=a.shape[u[I]];let b=c1(x,a.shape,a.dtype,u,k);m=i.makeTensorInfo(k,a.dtype);let v=i.texData.get(m.dataId);v.values=b}else m=yh(a,u,i);h.push(m),d=C.getInnerMostAxes(d.length,o)}C.assertAxesAreInnerMostDims("sum",d,o);let[f,A]=C.computeOutAndReduceShapes(m.shape,d),y=f;r&&(y=C.expandShapeToKeepDim(f,l));let g=PH(m,A,y,i);for(let x of h)i.disposeIntermediateTensorInfo(x);return g}};function WH(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,keepDims:i}=a,o=r.shape.length,l=w.parseAxisParam(s,r.shape),d=l,u=C.getAxesPermutation(d,o),p=r;u!=null&&(p=cn({inputs:{x:r},backend:n,attrs:{perm:u}}),d=C.getInnerMostAxes(d.length,r.shape.length)),C.assertAxesAreInnerMostDims("min",d,o);let[c,h]=C.computeOutAndReduceShapes(p.shape,d),m=w.sizeFromShape(h),f=fe({inputs:{x:p},backend:n,attrs:{shape:[-1,m]}}),A=Ni(f,f.dtype,"min",n),y;if(i){let g=C.expandShapeToKeepDim(c,l);y=fe({inputs:{x:A},backend:n,attrs:{shape:g}})}else y=fe({inputs:{x:A},backend:n,attrs:{shape:c}});return n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(A),u!=null&&n.disposeIntermediateTensorInfo(p),y}var BH={kernelName:Rs,backendName:"webgl",kernelFunc:WH},VH=xv+`
return min(a, b);
`,jH=`
vec4 result = vec4(min(a, b));
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
`+mh+`
return result;
`,UH=en({opSnippet:VH,packedOpSnippet:jH,cpuKernelImpl:HL}),HH={kernelName:Ms,backendName:"webgl",kernelFunc:UH},GH=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=t.map((d,u)=>d[0]+e[u]+d[1]);let a=e.length,r=lt(a),s=t.map(d=>d[0]).join(","),i=t.map((d,u)=>d[0]+e[u]).join(","),o=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,a),l=n==="reflect"?0:1;if(a===1){this.userCode=`
int start = ${s};
int end = ${i};
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=`
${r} start = ${r}(${s});
${r} end = ${r}(${i});
void main() {
${r} outC = getOutputCoords();
for (int i = 0; i < ${a}; 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};
}
}
${r} coords = outC - start;
setOutput(getX(${o}));
}
`}},qH=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((h,m)=>h[0]+e[m]+h[1]);let a=e.length,r=lt(a),s=t.map(h=>h[0]).join(","),i=t.map((h,m)=>h[0]+e[m]).join(","),o=pn("rc",a),l=pn("source",a),d=`${o[a-1]} < ${this.outputShape[a-1]}`,u=a===1?"source":`vec2(${l.slice(-2).join()})`,p=n==="reflect"?0:1,c="";if(a===1){let h=`
${r} source = rc;
if (source < start) {
source = start * 2 - source - ${p};
} else if (source >= end) {
source = (end - 1) * 2 - source + ${p};
}
source -= start;
`;c=`
${r} rc = outputLoc;
${h}
result[0] = getChannel(getX(${l.join()}), ${u});
${o[a-1]} += 1;
if(${d}) {
${h}
result[1] = getChannel(getX(${l.join()}), ${u});
}
`}else{let h=`
${r} source = rc;
${r} lt = ${r}(lessThan(source, start));
${r} gte = ${r}(greaterThanEqual(source, end));
${r} orig = 1 - (lt + gte);
source = orig * source +
lt * (start * 2 - source - ${p}) +
gte * ((end - 1) * 2 - source + ${p});
source -= start;
`;c=`
${r} rc = outputLoc;
${h}
result[0] = getChannel(getX(${l.join()}), ${u});
${o[a-1]} += 1;
if(${d}) {
${h}
result[1] = getChannel(getX(${l.join()}), ${u});
}
rc = outputLoc;
${o[a-2]} += 1;
if(${o[a-2]} < ${this.outputShape[a-2]}) {
${h}
result[2] = getChannel(getX(${l.join()}), ${u});
${o[a-1]} += 1;
if(${d}) {
${h}
result[3] = getChannel(getX(${l.join()}), ${u});
}
}
`}this.userCode=`
const ${r} start = ${r}(${s});
const ${r} end = ${r}(${i});
void main() {
${r} outputLoc = getOutputCoords();
vec4 result = vec4(0.);
${c}
setOutput(result);
}
`}},XH=({inputs:e,backend:t,attrs:n})=>{let{x:a}=e,{paddings:r,mode:s}=n,i=J().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new qH(a.shape,r,s):new GH(a.shape,r,s);return t.runWebGLProgram(i,[a],a.dtype)},KH={kernelName:Fs,backendName:"webgl",kernelFunc:XH},ZH=`if (b == 0.0) return NAN;
return mod(a, b);`,YH=`
vec4 result = mod(a, b);
vec4 isNaN = vec4(equal(b, vec4(0.0)));
`+mh+`
return result;
`,JH=en({opSnippet:ZH,packedOpSnippet:YH}),QH={kernelName:Mo,backendName:"webgl",kernelFunc:JH},eG=class{constructor(e,t,n){this.variableNames=["probs"],this.outputShape=[e,n],this.userCode=`
uniform float seed;
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}));
}
`}getCustomSetupFunc(e){return(t,n)=>{this.seedLoc==null&&(this.seedLoc=t.getUniformLocation(n,"seed")),t.gl.uniform1f(this.seedLoc,e)}}},tG=`
if (a == b) {
return 1.0;
};
return a / b;`,nG=`
// 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;
`,t6=en({opSnippet:tG,packedOpSnippet:nG,checkOutOfBounds:!0}),aG={kernelName:ys,backendName:"webgl",kernelFunc:t6},n6="return a - b;",a6=en({opSnippet:n6,packedOpSnippet:n6,supportsComplex:!0,cpuKernelImpl:eW}),rG={kernelName:Zs,backendName:"webgl",kernelFunc:a6};function r6(e){let{inputs:t,backend:n,attrs:a}=e,{logits:r}=t,{dim:s}=a,i=w.parseAxisParam([s],r.shape),o=e6({inputs:{x:r},backend:n,attrs:{reductionIndices:i,keepDims:!1}}),l=C.expandShapeToKeepDim(o.shape,i),d=fe({inputs:{x:o},backend:n,attrs:{shape:l}}),u=a6({inputs:{a:r,b:d},backend:n}),p=Kv({inputs:{x:u},backend:n}),c=gh({inputs:{x:p},backend:n,attrs:{axis:i,keepDims:!1}}),h=fe({inputs:{x:c},backend:n,attrs:{shape:l}}),m=t6({inputs:{a:p,b:h},backend:n});return n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(u),n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(h),m}var sG={kernelName:Xs,backendName:"webgl",kernelFunc:r6};function iG(e){let{inputs:t,backend:n,attrs:a}=e,{logits:r}=t,{numSamples:s,seed:i,normalized:o}=a,l=o?r:r6({inputs:{logits:r},backend:n,attrs:{dim:r.shape.length-1}}),d=l.shape[0],u=l.shape[1],p=new eG(d,u,s),c=p.getCustomSetupFunc(i),h=n.runWebGLProgram(p,[l],"int32",c);return o||n.disposeIntermediateTensorInfo(l),h}var oG={kernelName:Kp,backendName:"webgl",kernelFunc:iG},s6="return -x;";function lG(e){let{inputs:t,backend:n}=e,{x:a}=t;if(n.shouldExecuteOnCPU([a])){let s=n.texData.get(a.dataId),[i,o]=qL(s.values,a.shape,a.dtype);return n.makeTensorInfo(o,a.dtype,i)}let r;return J().getBool("WEBGL_PACK_UNARY_OPERATIONS")?r=new Fl(a.shape,s6):r=new Pr(a.shape,s6),n.runWebGLProgram(r,[a],a.dtype)}var uG={kernelName:Fo,backendName:"webgl",kernelFunc:lG},dG=Wa.nonMaxSuppressionV3Impl;function pG(e){C.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:a}=e,{boxes:r,scores:s}=t,{maxOutputSize:i,iouThreshold:o,scoreThreshold:l}=a,d=n.readSync(r.dataId),u=n.readSync(s.dataId),{selectedIndices:p}=dG(d,u,i,o,l);return n.makeTensorInfo([p.length],"int32",new Int32Array(p))}var cG={kernelName:Do,backendName:"webgl",kernelFunc:pG},hG=Wa.nonMaxSuppressionV4Impl;function fG(e){C.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:a}=e,{boxes:r,scores:s}=t,{maxOutputSize:i,iouThreshold:o,scoreThreshold:l,padToMaxOutputSize:d}=a,u=n.readSync(r.dataId),p=n.readSync(s.dataId),{selectedIndices:c,validOutputs:h}=hG(u,p,i,o,l,d);return[n.makeTensorInfo([c.length],"int32",new Int32Array(c)),n.makeTensorInfo([],"int32",new Int32Array([h]))]}var mG={kernelName:Oo,backendName:"webgl",kernelFunc:fG},AG=Wa.nonMaxSuppressionV5Impl;function yG(e){C.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:t,backend:n,attrs:a}=e,{boxes:r,scores:s}=t,{maxOutputSize:i,iouThreshold:o,scoreThreshold:l,softNmsSigma:d}=a,u=n.readSync(r.dataId),p=n.readSync(s.dataId),c=i,h=o,m=l,f=d,{selectedIndices:A,selectedScores:y}=AG(u,p,c,h,m,f);return[n.makeTensorInfo([A.length],"int32",new Int32Array(A)),n.makeTensorInfo([y.length],"float32",new Float32Array(y))]}var gG={kernelName:zo,backendName:"webgl",kernelFunc:yG},xG=class{constructor(e,t,n,a){this.variableNames=["indices"],this.outputShape=[e,t],this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int index = round(getIndices(coords.x));
setOutput(mix(float(${a}), float(${n}),
float(index == coords.y)));
}
`}},bG=e=>{let{inputs:t,backend:n,attrs:a}=e,{indices:r}=t,{depth:s,onValue:i,offValue:o}=a,l=w.sizeFromShape(r.shape),d=new xG(l,s,i,o),u=fe({inputs:{x:r},backend:n,attrs:{shape:[l]}}),p=n.runWebGLProgram(d,[u],r.dtype);n.disposeIntermediateTensorInfo(u);let c=[...r.shape,s],h=fe({inputs:{x:p},backend:n,attrs:{shape:c}});return n.disposeIntermediateTensorInfo(p),h},vG={kernelName:Ds,backendName:"webgl",kernelFunc:bG};function kh(e){let{inputs:t,backend:n}=e,{x:a}=t;if(a.dtype==="complex64"){let r=yd({inputs:{input:a},backend:n}),s=kh({inputs:{x:r},backend:n}),i=wh({inputs:{input:a},backend:n}),o=kh({inputs:{x:i},backend:n}),l=Lr({inputs:{real:s,imag:o},backend:n});return n.disposeIntermediateTensorInfo(r),n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(o),l}else return x1({attrs:{shape:a.shape,dtype:a.dtype,value:a.dtype==="string"?"":0},backend:n})}var wG={kernelName:Qo,backendName:"webgl",kernelFunc:kh};function i6(e){let{inputs:t,backend:n}=e,{x:a}=t;if(a.dtype==="string")throw new Error("onesLike is not supported under string dtype");if(a.dtype==="complex64"){let r=yd({inputs:{input:a},backend:n}),s=i6({inputs:{x:r},backend:n}),i=wh({inputs:{input:a},backend:n}),o=kh({inputs:{x:i},backend:n}),l=Lr({inputs:{real:s,imag:o},backend:n});return n.disposeIntermediateTensorInfo(r),n.disposeIntermediateTensorInfo(s),n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(o),l}else return x1({attrs:{shape:a.shape,dtype:a.dtype,value:1},backend:n})}var kG={kernelName:_o,backendName:"webgl",kernelFunc:i6};function IG(e){let{inputs:t,backend:n,attrs:a}=e,{axis:r}=a;if(t.length===1)return g1({inputs:{input:t[0]},backend:n,attrs:{dim:r}});let s=t[0].shape,i=t[0].dtype;t.forEach(u=>{w.assertShapesMatch(s,u.shape,"All tensors passed to stack must have matching shapes"),w.assert(i===u.dtype,()=>"All tensors passed to stack must have matching dtypes")});let o=[],l=t.map(u=>{let p=g1({inputs:{input:u},backend:n,attrs:{dim:r}});return o.push(p),p}),d=Lv({inputs:l,backend:n,attrs:{axis:r}});return o.forEach(u=>n.disposeIntermediateTensorInfo(u)),d}var SG={kernelName:Po,backendName:"webgl",kernelFunc:IG},NG=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=t.map((l,d)=>l[0]+e[d]+l[1]);let a=e.length,r=lt(a),s=t.map(l=>l[0]).join(","),i=t.map((l,d)=>l[0]+e[d]).join(","),o=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,a);if(a===1){this.userCode=`
int start = ${s};
int end = ${i};
uniform float value;
void main() {
int outC = getOutputCoords();
if (outC < start || outC >= end) {
setOutput(value);
} else {
setOutput(getX(outC - start));
}
}
`;return}this.userCode=`
${r} start = ${r}(${s});
${r} end = ${r}(${i});
uniform float value;
void main() {
${r} outC = getOutputCoords();
if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {
setOutput(value);
} else {
${r} coords = outC - start;
setOutput(getX(${o}));
}
}
`}getCustomSetupFunc(e){return(t,n)=>{this.valueLoc==null&&(this.valueLoc=t.getUniformLocationNoThrow(n,"value")),t.gl.uniform1f(this.valueLoc,e)}}},TG=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((m,f)=>m[0]+e[f]+m[1]);let a=e.length,r=lt(a),s=t.map(m=>m[0]).join(","),i=t.map((m,f)=>m[0]+e[f]).join(","),o=pn("rc",a),l=pn("source",a),d=`${o[a-1]} < ${this.outputShape[a-1]}`,u=a===1?"source":`vec2(${l.slice(-2).join()})`,p=[`${r} rc = outputLoc;`,`${o[a-1]} += 1;
if(${d}) {
`,a===1?"":`}
rc = outputLoc;
${o[a-2]} += 1;
if(${o[a-2]} < ${this.outputShape[a-2]}) {`,a===1?"":` ${o[a-1]} += 1;
if(${d}) {`],c=a===1?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",h="";for(let m=0,f=a===1?2:4;m<f;m++)h+=`
${p[m]}
if (${c}) {
result[${m}] = float(value);
} else {
${r} source = rc - start;
result[${m}] = getChannel(getX(${l.join()}), ${u});
}
`;h+=a===1?"} ":"}}",this.userCode=`
const ${r} start = ${r}(${s});
const ${r} end = ${r}(${i});
uniform float value;
void main() {
${r} outputLoc = getOutputCoords();
vec4 result = vec4(0.);
${h}
setOutput(result);
}
`}getCustomSetupFunc(e){return(t,n)=>{this.valueLoc==null&&(this.valueLoc=t.getUniformLocationNoThrow(n,"value")),t.gl.uniform1f(this.valueLoc,e)}}},o6=e=>{let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{paddings:s,constantValue:i}=a,o=J().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new TG(r.shape,s,i):new NG(r.shape,s,i),l=o.getCustomSetupFunc(i);return n.runWebGLProgram(o,[r],r.dtype,l)},EG={kernelName:Os,backendName:"webgl",kernelFunc:o6},CG=`
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);
`,RG=`
// 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));
`+mh+`
return result;
`,MG=en({opSnippet:CG,packedOpSnippet:RG}),FG={kernelName:zs,backendName:"webgl",kernelFunc:MG};function $G(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,keepDims:i}=a,o=r.shape.length,l=[],d=w.parseAxisParam(s,r.shape),u=d,p=C.getAxesPermutation(u,o),c=r;p!=null&&(c=cn({inputs:{x:r},backend:n,attrs:{perm:p}}),u=C.getInnerMostAxes(u.length,o),l.push(c)),C.assertAxesAreInnerMostDims("prod",u,o);let h;if(n.shouldExecuteOnCPU([c])){let m=n.texData.get(c.dataId).values,{outVals:f,outShape:A,outDtype:y}=XL(c.shape,c.dtype,m,u);h=n.makeTensorInfo(A,y,f)}else{let[m,f]=C.computeOutAndReduceShapes(c.shape,u),A=w.sizeFromShape(f),y=fe({inputs:{x:c},backend:n,attrs:{shape:[-1,A]}}),g=lc(r.dtype),x=Ni(y,g,"prod",n);h=fe({inputs:{x},backend:n,attrs:{shape:m}}),l.push(y),l.push(x)}if(i){l.push(h);let m=C.expandShapeToKeepDim(h.shape,d);h=fe({inputs:{x:h},backend:n,attrs:{shape:m}})}return l.forEach(m=>n.disposeIntermediateTensorInfo(m)),h}var DG={kernelName:Lo,backendName:"webgl",kernelFunc:$G},l6=e=>{let{backend:t,attrs:n}=e,{start:a,stop:r,step:s,dtype:i}=n,o=KL(a,r,s,i);return t.makeTensorInfo([o.length],i,o)},OG={kernelName:Iu,backendName:"webgl",kernelFunc:l6},zG="return 1.0 / x;",_G=qe({opSnippet:zG}),PG={kernelName:Wo,backendName:"webgl",kernelFunc:_G},LG=xa+`
return (x < 0.0) ? 0.0 : x;
`,WG=`
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;
`,BG=qe({opSnippet:LG,packedOpSnippet:WG}),VG={kernelName:Ps,backendName:"webgl",kernelFunc:BG},jG=xa+`
return (x < 0.0) ? 0.0 : min(6.0, x);
`,UG=`
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;
`,HG=qe({opSnippet:jG,packedOpSnippet:UG}),GG={kernelName:Ws,backendName:"webgl",kernelFunc:HG},qG=class{constructor(e,t,n,a,r){this.variableNames=["A"],this.outputShape=[];let[s,i,o,l]=e;this.outputShape=[s,t,n,l];let d=[a&&t>1?i-1:i,a&&n>1?o-1:o],u=[a&&t>1?t-1:t,a&&n>1?n-1:n],p;r?p="(vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC - vec2(0.5)":p="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec2 effectiveInputOverOutputRatioRC = vec2(
${d[0]/u[0]},
${d[1]/u[1]});
const vec2 inputShapeRC = vec2(${i}.0, ${o}.0);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 yRC = coords.yz;
// Fractional source index.
vec2 sourceFracIndexRC = ${p};
// 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);
}
`}},XG=class{constructor(e,t,n,a,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[s,i,o,l]=e;this.outputShape=[s,t,n,l];let d=[a&&t>1?i-1:i,a&&n>1?o-1:o],u=[a&&t>1?t-1:t,a&&n>1?n-1:n],p;r?p="(vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC - vec3(0.5)":p="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec3 effectiveInputOverOutputRatioRC = vec3(
${d[0]/u[0]},
${d[1]/u[1]},
${d[1]/u[1]});
const vec3 inputShapeRC = vec3(${i}.0, ${o}.0,
${o}.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 = ${p};
// 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 KG(e){let{inputs:t,backend:n,attrs:a}=e,{images:r}=t,{alignCorners:s,halfPixelCenters:i,size:o}=a,[l,d]=o,u=J().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new XG(r.shape,l,d,s,i):new qG(r.shape,l,d,s,i);return n.runWebGLProgram(u,[r],"float32")}var ZG={kernelName:Ls,backendName:"webgl",kernelFunc:KG},YG=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,a,r]=t,[,s,i]=e,o=[n&&s>1?a-1:a,n&&i>1?r-1:r],l=[n&&s>1?s-1:s,n&&i>1?i-1:i],d=o[0]/l[0],u=o[1]/l[1],p=1/d,c=1/u,h=Math.ceil(p)*2+2,m=Math.ceil(c)*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(${d});
const float widthScale = float(${u});
const float invHeightScale = float(${p});
const float invWidthScale = float(${c});
const int winHeight = int(${h});
const int winWidth = int(${m});
// 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 >= ${s}) {
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 >= ${i}) {
continue;
}
float dxR = float(dyR) * heightScale;
int topDxRIndex = int(floor(dxR));
int bottomDxRIndex = int(min(ceil(dxR), ${a-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), ${r-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 JG(e){let{inputs:t,backend:n,attrs:a}=e,{images:r,dy:s}=t,{alignCorners:i}=a,o=new YG(s.shape,r.shape,i);return n.runWebGLProgram(o,[s],s.dtype)}var QG={kernelName:Jp,backendName:"webgl",kernelFunc:JG},eq=class{constructor(e,t,n,a,r){this.variableNames=["A"],this.outputShape=[];let[s,i,o,l]=e;this.outputShape=[s,t,n,l];let d=[a&&t>1?i-1:i,a&&n>1?o-1:o],u=[a&&t>1?t-1:t,a&&n>1?n-1:n],p=a?"0.5":"0.0",c;r?c="max((vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC, vec2(0.0))":c="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec2 effectiveInputOverOutputRatioRC = vec2(
${d[0]/u[0]},
${d[1]/u[1]});
const vec2 inputShapeRC = vec2(${i}.0, ${o}.0);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 yRC = coords.yz;
// Fractional source index.
vec2 sourceFracIndexRC = ${c};
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestRC = ivec2(
min(inputShapeRC - 1.0, floor(sourceFracIndexRC + ${p})));
float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);
setOutput(newValue);
}
`}};function tq(e){let{inputs:t,backend:n,attrs:a}=e,{images:r}=t,{alignCorners:s,halfPixelCenters:i,size:o}=a,[l,d]=o,u=new eq(r.shape,l,d,s,i);return n.runWebGLProgram(u,[r],r.dtype)}var nq={kernelName:Su,backendName:"webgl",kernelFunc:tq},aq=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,a,r]=t,[,s,i]=e,o=[n&&s>1?a-1:a,n&&i>1?r-1:r],l=[n&&s>1?s-1:s,n&&i>1?i-1:i],d=o[0]/l[0],u=o[1]/l[1],p=1/d,c=1/u,h=Math.ceil(p)*2+2,m=Math.ceil(c)*2+2;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
int r = coords[1];
int c = coords[2];
float accumulator = 0.0;
const float heightScale = float(${d});
const float widthScale = float(${u});
const float invHeightScale = float(${p});
const float invWidthScale = float(${c});
const int winHeight = int(${h});
const int winWidth = int(${m});
// 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 >= ${s}) {
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 >= ${i}) {
continue;
}
float sourceFracRow =
float(${o[0]}) *
(float(dyR) / float(${l[0]}));
float sourceFracCol =
float(${o[1]}) *
(float(dyC) / float(${l[1]}));
int sourceNearestRow = int(min(
float(int(${a}) - 1),
${n} ? float(round(sourceFracRow)) :
float(floor(sourceFracRow))));
int sourceNearestCol = int(min(
float(int(${r}) - 1),
${n} ? float(round(sourceFracCol)) :
float(floor(sourceFracCol))));
if (r == sourceNearestRow && c == sourceNearestCol) {
accumulator += getDy(b, dyR, dyC, d);
}
}
}
// End loop over dy
setOutput(accumulator);
}
`}};function rq(e){let{inputs:t,backend:n,attrs:a}=e,{images:r,dy:s}=t,{alignCorners:i}=a,o=new aq(s.shape,r.shape,i);return n.runWebGLProgram(o,[s],s.dtype)}var sq={kernelName:Yp,backendName:"webgl",kernelFunc:rq},iq=class{constructor(e,t){this.variableNames=["x"];let n=e.length;if(n>4)throw new Error(`WebGL backend: Reverse of rank-${n} tensor is not yet supported`);if(this.outputShape=e,n===1){this.userCode=`
void main() {
int coord = getOutputCoords();
setOutput(getX(${e[0]} - coord - 1));
}
`;return}let a=i=>t.indexOf(i)!==-1&&e[i]!==1?`${e[i]} - coords[${i}] - 1`:`coords[${i}]`,r=e.map((i,o)=>a(o)).join(","),s=lt(n);this.userCode=`
void main() {
${s} coords = getOutputCoords();
setOutput(getX(${r}));
}
`}},oq=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-${n} tensor is not yet supported`);this.outputShape=e;let a=pn("rc",n),r=`${a[n-1]} + 1 < ${this.outputShape[n-1]}`,s=`${a[n-2]} + 1 < ${this.outputShape[n-2]}`,i=lt(n);n===1?this.userCode=`
void main(){
int rc = getOutputCoords();
vec4 result = vec4(0.);
result.r = getChannel(getX(${e[0]} - rc - 1),
${e[0]} - rc - 1);
if(${r}){
result.g = getChannel(getX(${e[0]} - (rc + 1) - 1),
${e[0]} - (rc + 1) - 1);
}
setOutput(result);
}
`:this.userCode=`
void main() {
${i} rc = getOutputCoords();
vec4 result = vec4(0.);
result.r = ${o(a.slice())};
if(${r}){
result.g = ${l(a.slice())};
}
if(${s}) {
result.b = ${d(a.slice())};
if(${r}) {
result.a = ${u(a.slice())};
}
}
setOutput(result);
}
`;function o(h){return p(h)}function l(h){return h[n-1]="("+h[n-1]+" + 1)",p(h)}function d(h){return h[n-2]="("+h[n-2]+" + 1)",p(h)}function u(h){return h[n-1]="("+h[n-1]+" + 1)",h[n-2]="("+h[n-2]+" + 1)",p(h)}function p(h){let m=e.map((y,g)=>c(g,h)),f=m.join(","),A=m.slice(-2).join(",");return`getChannel(getX(${f}), vec2(${A}))`}function c(h,m){return t.indexOf(h)!==-1&&e[h]!==1?`${e[h]} - ${m[h]} - 1`:`${m[h]}`}}};function lq(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{dims:s}=a,i=r.shape.length,o=w.parseAxisParam(s,r.shape);if(i===0)return Pn({inputs:{x:r},backend:n});let l=J().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new oq(r.shape,o):new iq(r.shape,o);return n.runWebGLProgram(l,[r],r.dtype)}var uq={kernelName:Bs,backendName:"webgl",kernelFunc:lq},dq=class{constructor(e,t){this.variableNames=["Image"],this.outputShape=[];let n=e[1],a=e[2];this.outputShape=e;let r="";typeof t=="number"?r=`float outputValue = ${t.toFixed(2)};`:r=`
vec3 fill = vec3(${t.join(",")});
float outputValue = fill[coords[3]];`,this.userCode=`
uniform vec4 params;
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]));
${r}
if(coordX >= 0 && coordX < ${a} && coordY >= 0 && coordY < ${n}) {
outputValue = getImage(coords[0], coordY, coordX, coords[3]);
}
setOutput(outputValue);
}
`}getCustomSetupFunc(e,t,n,a){return(r,s)=>{this.paramsLoc==null&&(this.paramsLoc=r.getUniformLocationNoThrow(s,"params")),r.gl.uniform4f(this.paramsLoc,e,t,n,a)}}},pq={kernelName:el,backendName:"webgl",kernelFunc:({inputs:e,attrs:t,backend:n})=>{let{image:a}=e,{radians:r,fillValue:s,center:i}=t,o=n,l=new dq(a.shape,s),[d,u]=C.getImageCenter(i,a.shape[1],a.shape[2]),p=l.getCustomSetupFunc(d,u,Math.sin(r),Math.cos(r));return o.runWebGLProgram(l,[a],a.dtype,p)}},cq=`
// OpenGL ES does not support round function.
// The algorithm is based on banker's rounding.
float base = floor(x);
if ((x - base) < 0.5) {
return floor(x);
} else if ((x - base) > 0.5) {
return ceil(x);
} else {
if (mod(base, 2.0) == 0.0) {
return base;
} else {
return base + 1.0;
}
}
`,hq=qe({opSnippet:cq}),fq={kernelName:Vs,backendName:"webgl",kernelFunc:hq},mq="return inversesqrt(x);",Aq=qe({opSnippet:mq,cpuKernelImpl:ZL}),yq={kernelName:js,backendName:"webgl",kernelFunc:Aq},u6=class{constructor(e,t,n,a,r,s,i=!0){this.variableNames=["updates","indices","defaultValue"],this.outputShape=s;let o=lt(r.length),l=lt(s.length),d="";n===1?d="i":n===2&&(d="i, j");let u=`getIndices(${d})`,p="";a===1?p="i":a===2&&(p="i, coords[1]");let c=`getUpdates(${p})`,h=t>1?"strides[j]":"strides";this.userCode=`
${o} strides = ${o}(${r});
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 < ${t}; j++) {
int index = round(${u});
flattenedIndex += index * ${h};
}
if (flattenedIndex == coords[0]) {
sum += ${c};
found = true;
}
}
setOutput(mix(getDefaultValue(), sum, float(found)));
}
`}};function gq(e){let{inputs:t,backend:n,attrs:a}=e,{indices:r,updates:s}=t,{shape:i}=a,{sliceRank:o,numUpdates:l,sliceSize:d,strides:u,outputSize:p}=C.calculateShapes(s,r,i),c=[p/d,d];if(p===0)return n.makeTensorInfo(i,r.dtype);let h=fe({inputs:{x:r},backend:n,attrs:{shape:[l,o]}}),m=fe({inputs:{x:s},backend:n,attrs:{shape:[l,d]}}),f=n.makeTensorInfo([],"float32",new Float32Array([0])),A=new u6(l,o,h.shape.length,m.shape.length,u,c),y=n.runWebGLProgram(A,[m,h,f],m.dtype),g=fe({inputs:{x:y},backend:n,attrs:{shape:i}});return n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(f),g}var xq={kernelName:Vo,backendName:"webgl",kernelFunc:gq},bq=class{constructor(e,t,n){this.variableNames=["c","a","b"],this.outputShape=t;let a,r;if(n>4)throw Error(`Where for rank ${n} is not yet supported`);if(n===1)r="resRC",a="resRC";else{let i=["resRC.x","resRC.y","resRC.z","resRC.w"],o=[],l=[];for(let d=0;d<t.length;d++)l.push(`${i[d]}`),d<e&&o.push(`${i[d]}`);a=o.join(),r=l.join()}let s=lt(n);this.userCode=`
void main() {
${s} resRC = getOutputCoords();
float cVal = getC(${a});
if (cVal >= 1.0) {
setOutput(getA(${r}));
} else {
setOutput(getB(${r}));
}
}
`}};function vq(e){let{inputs:t,backend:n}=e,{condition:a,t:r,e:s}=t,i=new bq(a.shape.length,r.shape,r.shape.length);return n.runWebGLProgram(i,[a,r,s],ia(r.dtype,s.dtype))}var wq={kernelName:jo,backendName:"webgl",kernelFunc:vq},kq=`
// Stable and Attracting Fixed Point (0, 1) for Normalized Weights.
// see: https://arxiv.org/abs/1706.02515
float scaleAlpha = ${C.SELU_SCALEALPHA};
float scale = ${C.SELU_SCALE};
return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);
`,Iq=qe({opSnippet:kq}),Sq={kernelName:Uo,backendName:"webgl",kernelFunc:Iq},Nq="return 1.0 / (1.0 + exp(-1.0 * x));",Tq=qe({opSnippet:Nq}),Eq={kernelName:Hs,backendName:"webgl",kernelFunc:Tq},Cq=`
if (isnan(x)) { return 0.0; }
return sign(x);
`,Rq=qe({opSnippet:Cq}),Mq={kernelName:qo,backendName:"webgl",kernelFunc:Rq},Fq=Iv+`
return sin(x);
`,$q=qe({opSnippet:Fq}),Dq={kernelName:Us,backendName:"webgl",kernelFunc:$q},Oq=`
float e2x = exp(x);
return (e2x - 1.0 / e2x) / 2.0;
`,zq=qe({opSnippet:Oq}),_q={kernelName:Go,backendName:"webgl",kernelFunc:zq},Pq=`
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;
`,Lq=qe({opSnippet:Pq}),Wq={kernelName:Xo,backendName:"webgl",kernelFunc:Lq},Bq=e=>{let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{blockShape:s,paddings:i}=a;w.assert(r.shape.length<=4,()=>"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet");let o=s.reduce((y,g)=>y*g),l=[[0,0]];l.push(...i);for(let y=1+s.length;y<r.shape.length;++y)l.push([0,0]);let d=[],u=o6({inputs:{x:r},backend:n,attrs:{paddings:l,constantValue:0}}),p=C.getReshaped(u.shape,s,o,!1),c=C.getPermuted(p.length,s.length,!1),h=C.getReshapedPermuted(u.shape,s,o,!1),m=fe({inputs:{x:u},backend:n,attrs:{shape:p}}),f=cn({inputs:{x:m},backend:n,attrs:{perm:c}}),A=fe({inputs:{x:f},backend:n,attrs:{shape:h}});return d.push(u),d.push(m),d.push(f),d.forEach(y=>n.disposeIntermediateTensorInfo(y)),A},Vq={kernelName:Nu,backendName:"webgl",kernelFunc:Bq};function jq(e){let{inputs:t,backend:n}=e,{inputIndices:a,inputShape:r,newShape:s}=t;if(a.shape.length!==2)throw new Error(`Input indices should be a matrix but received shape ${a.shape}`);if(r.shape.length!==1)throw new Error(`Input shape should be a vector but received shape ${r.shape}`);if(s.shape.length!==1)throw new Error(`Target shape should be a vector but received shape ${s.shape}`);let i=Array.from(n.readSync(r.dataId)),o=n.readSync(a.dataId),l=Array.from(n.readSync(s.dataId)),[d,u,p]=JL(o,a.shape,a.dtype,i,l);return[n.makeTensorInfo(u,a.dtype,d),n.makeTensorInfo([p.length],s.dtype,new Int32Array(p))]}var Uq={kernelName:Qp,backendName:"webgl",kernelFunc:jq};function Hq(e){let{inputs:t,backend:n,attrs:a}=e,{sparseIndices:r,sparseValues:s,defaultValue:i}=t,{outputShape:o}=a,{sliceRank:l,numUpdates:d,strides:u,outputSize:p}=C.calculateShapes(s,r,o),c=!1,h=new u6(d,l,r.shape.length,s.shape.length,u,[p,1],c),m=n.runWebGLProgram(h,[s,r,i],s.dtype),f=fe({inputs:{x:m},backend:n,attrs:{shape:o}});return n.disposeIntermediateTensorInfo(m),f}var Gq={kernelName:ec,backendName:"webgl",kernelFunc:Hq};function qq(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{numOrSizeSplits:s,axis:i}=a,o=w.parseAxisParam(i,r.shape)[0],l=C.prepareSplitSize(r,s,o),d=r.shape.length,u=new Array(d).fill(0),p=r.shape.slice();return l.map(c=>{let h=[...p];h[o]=c;let m=Ad({inputs:{x:r},backend:n,attrs:{begin:u,size:h}});return u[o]+=c,m})}var Xq={kernelName:Ko,backendName:"webgl",kernelFunc:qq},Kq="return sqrt(x);",Zq=qe({opSnippet:Kq}),Yq={kernelName:Gs,backendName:"webgl",kernelFunc:Zq},Jq="return x * x;",Qq=qe({opSnippet:Jq}),eX={kernelName:Tu,backendName:"webgl",kernelFunc:Qq},d6="return (a - b) * (a - b);",tX=en({opSnippet:d6,packedOpSnippet:d6}),nX={kernelName:Ks,backendName:"webgl",kernelFunc:tX};function aX({inputs:e,attrs:t,backend:n}){let{x:a}=e,r=xa+`
return x > 0.0 ? 1.0 : float(${t.alpha});
`,s=new Pr(a.shape,r);return n.runWebGLProgram(s,[a],a.dtype)}var rX={kernelName:Nr,backendName:"webgl",kernelFunc:aX},sX=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=n;let a=n.length,r=lt(n.length),s=lt(n.length),i="";if(a===1)i="coords * strides + begin";else{let o=0;i=n.map((l,d)=>(o++,n.length===1?`coords * strides[${d}] + begin[${d}]`:`coords[${o-1}] * strides[${d}] + begin[${d}]`)).join(",")}this.userCode=`
${r} begin = ${r}(${e});
${r} strides = ${r}(${t});
void main() {
${s} coords = getOutputCoords();
setOutput(getX(${i}));
}
`}};function iX(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{begin:s,end:i,strides:o,beginMask:l,endMask:d,ellipsisMask:u,newAxisMask:p,shrinkAxisMask:c}=a,{nonStrided:h,$begin:m,$strides:f,size:A,newShape:y,outShape:g}=sn.sliceInfo(r.shape,s,i,o,l,d,u,p,c),x=fe({inputs:{x:r},backend:n,attrs:{shape:y}}),k;if(h){let v=Ad({inputs:{x},backend:n,attrs:{begin:m,size:A}});k=fe({inputs:{x:v},backend:n,attrs:{shape:g}}),n.disposeIntermediateTensorInfo(v)}else if(g.some(v=>v===0))k=n.makeTensorInfo(g,r.dtype,[]);else if(n.shouldExecuteOnCPU([x])){let v=n.texData.get(x.dataId).values,I=We(x.shape,x.dtype,v),T=QL(g,I,f,m);k=n.makeTensorInfo(g,x.dtype,T.values)}else{let v=new sX(m,f,g);k=n.runWebGLProgram(v,[x],x.dtype)}let b=fe({inputs:{x:k},backend:n,attrs:{shape:g}});return n.disposeIntermediateTensorInfo(x),n.disposeIntermediateTensorInfo(k),b}var oX={kernelName:Zo,backendName:"webgl",kernelFunc:iX},lX="return tan(x);",uX=qe({opSnippet:lX}),dX={kernelName:Ys,backendName:"webgl",kernelFunc:uX},pX=`
float e2x = exp(-2.0 * abs(x));
return sign(x) * (1.0 - e2x) / (1.0 + e2x);
`,cX=qe({opSnippet:pX}),hX={kernelName:Js,backendName:"webgl",kernelFunc:cX},mX=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let s=0;s<n.length;s++)n[s]=e[s]*t[s];this.outputShape=n,this.rank=n.length;let a=lt(this.rank),r=fX(e);this.userCode=`
void main() {
${a} resRC = getOutputCoords();
setOutput(getA(${r}));
}
`}};function fX(e){let t=e.length;if(t>5)throw Error(`Tile for rank ${t} is not yet supported`);if(t===1)return`imod(resRC, ${e[0]})`;let n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],a=[];for(let r=0;r<e.length;r++)a.push(`imod(${n[r]}, ${e[r]})`);return a.join()}function p6(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{reps:s}=a;if(r.dtype==="string"||r.shape.length>5){let o=n.readSync(r.dataId).map(u=>w.decodeString(u)),l=We(r.shape,r.dtype,o),d=tW(l,s);return n.makeTensorInfo(d.shape,d.dtype,d.values)}let i=new mX(r.shape,s);return n.runWebGLProgram(i,[r],r.dtype)}var AX={kernelName:Sr,backendName:"webgl",kernelFunc:p6};function yX(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{k:s,sorted:i}=a,o=n.readSync(r.dataId),[l,d]=nW(o,r.shape,r.dtype,s,i);return[n.makeTensorInfo(l.shape,l.dtype,l.values),n.makeTensorInfo(d.shape,d.dtype,d.values)]}var gX={kernelName:Yo,backendName:"webgl",kernelFunc:yX},xX=class{constructor(e,t,n,a,r,s){this.variableNames=["Image","Transforms"],this.outputShape=s;let i=n==="nearest"?1:2,o;switch(a){case"constant":o=1;break;case"reflect":o=2;break;case"wrap":o=3;break;case"nearest":o=4;break;default:o=1;break}this.userCode=`
float mapCoord(float outCoord, float len) {
float inCoord = outCoord;
if(${o} == 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 (${o} == 3) {
if (inCoord < 0.0) {
if (len <= 1.0) {
inCoord = 0.0;
} else {
float sz = len - 1.0;
inCoord += len * (float(int(float(-inCoord / sz))) + 1.0);
}
} else if (inCoord > len - 1.0) {
if (len <= 1.0) {
inCoord = 0.0;
} else {
float sz = len - 1.0;
inCoord -= len * float(int(float(inCoord / sz)));
}
}
return clamp(inCoord, 0.0, len - 1.0);
} else if (${o} == 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 < ${t}) {
outputValue = getImage(batch, coordY, coordX, channel);
} else {
outputValue = float(${r});
}
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(${r});
} else {
float inX = (a1 * xf + a2 * yf + a3) / projection;
float inY = (b1 * xf + b2 * yf + b3) / projection;
float mapX = mapCoord(inX, float(${t}));
float mapY = mapCoord(inY, float(${e}));
if (${i} == 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 bX(e){let{inputs:t,backend:n,attrs:a}=e,{image:r,transforms:s}=t,{interpolation:i,fillMode:o,fillValue:l,outputShape:d}=a,[u,p,c,h]=r.shape,[m,f]=d!=null?d:[p,c],A=[u,m,f,h],y=new xX(p,c,i,o,l,A);return n.runWebGLProgram(y,[r,s],"float32")}var vX={kernelName:tc,backendName:"webgl",kernelFunc:bX};function wX(e){let{inputs:t,attrs:n,backend:a}=e,{axis:r}=n,{x:s}=t;Nl(s,"unique"),console.warn("WARNING: ","UI might be locked temporarily as data is being downloaded");let i=a.readSync(s.dataId),{outputValues:o,outputShape:l,indices:d}=aW(i,r,s.shape,s.dtype);return[a.makeTensorInfo(l,s.dtype,o),a.makeTensorInfo([d.length],"int32",d)]}var kX={kernelName:nc,backendName:"webgl",kernelFunc:wX};function IX(e){let{inputs:t,backend:n,attrs:a}=e,{value:r}=t,{axis:s}=a;s<0&&(s+=r.shape.length);let i=r,o=i.shape.length,l=r.shape[s],d=new Array(o-1),u=0;for(let f=0;f<o;f++)f!==s&&(d[u++]=i.shape[f]);let p=[],c=new Array(o).fill(0),h=i.shape.slice();h[s]=1;let m=new Array(l);for(let f=0;f<m.length;f++){c[s]=f;let A=Ad({inputs:{x:i},backend:n,attrs:{begin:c,size:h}}),y=fe({inputs:{x:A},backend:n,attrs:{shape:d}});m[f]=y,p.push(A)}return p.forEach(f=>n.disposeIntermediateTensorInfo(f)),m}var SX={kernelName:Jo,backendName:"webgl",kernelFunc:IX},NX=class{constructor(e,t){this.variableNames=["x","segmentIds"];let n=e.windowSize,a=e.batchSize,r=e.inSize,s=e.numSegments,i=s*Math.ceil(r/n);this.outputShape=[a,i];let o="0.0",l="sumValue",d=Math.floor(n/4)*4,u=n%4,p=`
sumValue += dot(values, segFilter);
`,c="";r%n>0&&(c=`
if (inIdx < 0 || inIdx >= ${r}) {
return initializationValue;
}
`);let h="";r%n>0&&(h=`
if (inIdx < 0 || inIdx >= ${r}) {
return -1.0;
}
`),this.userCode=`
const float initializationValue = ${o};
float getValue(int batch, int inIdx) {
${c}
return getX(batch, inIdx);
}
float getSegmentIdAtIndex(int inIdx) {
${h}
return getSegmentIds(inIdx);
}
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = int(floor(float(outIdx) / float(
${s})) * float(${n}));
int currentSeg = int(mod(float(outIdx), float(${s})));
float sumValue = 0.0;
for (int i = 0; i < ${d}; 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
);
${p}
}
int inIdx = inOffset + ${d};
if (${u===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
);
${p}
} else if (${u===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
);
${p}
} else if (${u===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
);
${p}
}
setOutput(${l});
}
`}};function TX(e){let{inputs:t,backend:n,attrs:a}=e,{x:r,segmentIds:s}=t,{numSegments:i}=a,o=r.shape.length,l=[],d=0,u=C.getAxesPermutation([d],o),p=r;u!=null&&(p=cn({inputs:{x:r},backend:n,attrs:{perm:u}}),l.push(p),d=C.getInnerMostAxes(1,o)[0]);let c=C.segment_util.computeOutShape(p.shape,d,i),h=w.sizeFromShape([p.shape[d]]),m=fe({inputs:{x:p},backend:n,attrs:{shape:[-1,h]}});l.push(m);let f=lc(r.dtype),A=(k,b,v,I,T)=>{let R=k.shape[0],$=k.shape[1],z=C.segment_util.segOpComputeOptimalWindowSize($,T),_={windowSize:z,inSize:$,batchSize:R,numSegments:T},V=new NX(_,b),j=n.compileAndRun(V,[k,v],I);if(l.push(j),j.shape[1]===T)return j;let U=l6({backend:n,attrs:{start:0,stop:T,step:1,dtype:"float32"}}),X=p6({inputs:{x:U},backend:n,attrs:{reps:[$/z]}});return l.push(U),l.push(X),A(j,b,X,I,T)},y=A(m,"unsortedSegmentSum",s,f,i),g=fe({inputs:{x:y},backend:n,attrs:{shape:c}}),x=g;if(u!=null){l.push(g);let k=C.getUndoAxesPermutation(u);x=cn({inputs:{x},backend:n,attrs:{perm:k}})}return 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RX(e){c6=e.wasm.cwrap(ei,null,["number","array","number","number","array","number","number","number","number","number","number","number","number"])}function MX(e){let{inputs:t,backend:n,attrs:a}=e,{a:r,b:s,bias:i,preluActivationWeights:o}=t;if(r.dtype!=="float32"||s.dtype!=="float32")throw new Error("_FusedMatMul for non non-float32 tensors not yet supported.");let{transposeA:l,transposeB:d,activation:u,leakyreluAlpha:p}=a,c=n.dataIdMap.get(r.dataId).id,h=n.dataIdMap.get(s.dataId).id,m=0;if(i!=null){let T=n.dataIdMap.get(i.dataId);if(T.shape.length!==1)throw new Error(`_FusedMatMul only supports rank-1 bias but got rank ${T.shape.length}.`);m=T.id}let f=o==null?0:n.dataIdMap.get(o.dataId).id,A=gd[u];if(A==null)throw new Error(`${u} activation not yet supported for FusedConv2D in the wasm backend.`);let y=l?r.shape[2]:r.shape[1],g=d?s.shape[1]:s.shape[2],x=r.shape[0],k=n.makeOutput([x,y,g],r.dtype),b=n.dataIdMap.get(k.dataId).id,v=new Uint8Array(new Int32Array(r.shape).buffer),I=new 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eK(e){let{inputs:t,attrs:n,backend:a}=e,r=t.x,s=a.dataIdMap.get(r.dataId).id,{filterSize:i,strides:o,pad:l,dimRoundingMode:d}=n,u=C.computePool2DInfo(r.shape,i,o,1,l,d),p=u.filterHeight,c=u.filterWidth,h=u.padInfo.top,m=u.padInfo.right,f=u.padInfo.bottom,A=u.padInfo.left,y=u.strideHeight,g=u.strideWidth,x=u.inChannels;if(u.dataFormat!=="channelsLast")throw new Error(`wasm backend does not support dataFormat:'${u.dataFormat}'. 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New shape and old shape must have the same number of elements.`),e.backend.incRef(a.dataId),{dataId:a.dataId,shape:i,dtype:a.dtype}}var nK={kernelName:Bo,backendName:"wasm",kernelFunc:ba},x6;function aK(e){x6=e.wasm.cwrap(us,null,["number","array","number","number","array","number","number","number","number"])}function rK(e){let{inputs:t,backend:n,attrs:a}=e,{a:r,b:s}=t,{transposeA:i,transposeB:o}=a;if(r.dtype!=="float32"||s.dtype!=="float32")throw new Error("BatchMatMul for non non-float32 tensors not yet supported.");let l=r.shape.length,d=s.shape.length,u=i?r.shape[l-2]:r.shape[l-1],p=o?s.shape[d-1]:s.shape[d-2],c=i?r.shape[l-1]:r.shape[l-2],h=o?s.shape[d-2]:s.shape[d-1],m=r.shape.slice(0,-2),f=s.shape.slice(0,-2),A=w.sizeFromShape(m),y=w.sizeFromShape(f),g=A===y||A===1||y===1;w.assert(l>=2&&d>=2&&g,()=>`Error in matMul: the input batch dimensions must either be the same or at least one input batch dimension must be 1. 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Please use 'channelsLast'.`);let _=a.makeOutput(m.outShape,"float32"),V=a.dataIdMap.get(_.dataId).id;return w6(i,r.shape[0],r.shape[1],r.shape[2],o,f,A,y,g,x,k,z,b,v,I,T,R,$,V),_}var fK={kernelName:cs,backendName:"wasm",setupFunc:cK,kernelFunc:hK},k6;function mK(e){k6=e.wasm.cwrap(hs,null,["number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number"])}function AK(e){let{backend:t,inputs:n,attrs:a}=e,{dy:r,filter:s}=n,{strides:i,pad:o,dataFormat:l,dimRoundingMode:d,inputShape:u}=a,p=1,c=C.convertConv2DDataFormat(l),h=C.computeConv2DInfo(u,s.shape,i,p,o,d,!1,c),{batchSize:m,filterHeight:f,filterWidth:A,inChannels:y,inHeight:g,inWidth:x,outChannels:k,outHeight:b,outWidth:v,strideHeight:I,strideWidth:T}=h,R=f-1-h.padInfo.top,$=A-1-h.padInfo.left,z=h.dataFormat==="channelsLast",_=w.computeStrides(h.inShape),V=w.computeStrides(r.shape),[j,U,X]=w.computeStrides(s.shape),G=_[0],ee=z?_[1]:_[2],Y=z?_[2]:1,re=z?1:_[1],te=V[0],ie=z?V[1]:V[2],Q=z?V[2]:1,de=z?1:V[1],oe=t.makeOutput(h.inShape,"float32"),me=t.dataIdMap.get(oe.dataId).id,ce=t.dataIdMap.get(r.dataId).id,ke=t.dataIdMap.get(s.dataId).id;return k6(ce,ke,m,f,A,g,x,y,b,v,k,I,T,R,$,j,U,X,G,ee,Y,re,te,ie,Q,de,me),oe}var yK={kernelName:hs,backendName:"wasm",setupFunc:mK,kernelFunc:AK},gK=hn(fs),b1;(function(e){e[e.bilinear=0]="bilinear",e[e.nearest=1]="nearest"})(b1||(b1={}));var I6;function xK(e){I6=e.wasm.cwrap(ho,null,["number","number","number","number","array","number","number","number","number","number"])}function bK(e){let{backend:t,inputs:n,attrs:a}=e,{method:r,extrapolationValue:s,cropSize:i}=a,{image:o,boxes:l,boxInd:d}=n,u=l.shape[0],[p,c]=i,h=[u,p,c,o.shape[3]],m=t.dataIdMap.get(o.dataId),f;o.dtype!=="float32"&&(f=Nh({backend:t,inputs:{x:o},attrs:{dtype:"float32"}}),m=t.dataIdMap.get(f.dataId));let A=m.id,y=t.dataIdMap.get(l.dataId).id,g=t.dataIdMap.get(d.dataId).id,x=t.makeOutput(h,"float32"),k=t.dataIdMap.get(x.dataId).id,b=new Uint8Array(new Int32Array(o.shape).buffer);return I6(A,y,g,u,b,p,c,b1[r],s,k),f!=null&&t.disposeData(f.dataId),x}var vK={kernelName:ho,backendName:"wasm",setupFunc:xK,kernelFunc:bK},S6;function wK(e){S6=e.wasm.cwrap(ms,null,["number","number","number","number","number","number"])}function kK(e){let{inputs:t,backend:n,attrs:a}=e,{x:r}=t,{axis:s,exclusive:i,reverse:o}=a,l=r.shape.length;w.assert(r.dtype==="float32"||r.dtype==="int32",()=>`cumsum does not support ${r.dtype} tensors in the WASM backend`);let d=C.getAxesPermutation([s],l),u=r;d!==null&&(u=Sh({inputs:{x:r},attrs:{perm:d},backend:n}));let p=C.getInnerMostAxes(1,l)[0];C.assertAxesAreInnerMostDims("cumsum",[p],l);let c=n.makeOutput(u.shape,u.dtype),h=u.shape[p],m=n.dataIdMap.get(u.dataId).id,f=n.dataIdMap.get(c.dataId).id;S6(m,i?1:0,o?1:0,h,f,Sn[r.dtype]);let A=c;if(d!==null){let y=C.getUndoAxesPermutation(d);A=Sh({inputs:{x:c},attrs:{perm:y},backend:n}),n.disposeData(u.dataId),n.disposeData(c.dataId)}return A}var IK={kernelName:ms,backendName:"wasm",setupFunc:wK,kernelFunc:kK},N6;function SK(e){N6=e.wasm.cwrap(fo,null,["number","number","number","array","number","array","array","number","number"])}function NK(e){let{backend:t,inputs:n,attrs:a}=e,{x:r}=n,{blockSize:s,dataFormat:i}=a;w.assert(s>1,()=>`blockSize should be > 1 for depthToSpace, but was: ${s}`);let o=r.shape[0],l=i==="NHWC"?r.shape[1]:r.shape[2],d=i==="NHWC"?r.shape[2]:r.shape[3],u=i==="NHWC"?r.shape[3]:r.shape[1],p=l*s,c=d*s,h=u/(s*s),m=i==="NHWC"?[o,p,c,h]:[o,h,p,c],f=t.makeOutput(m,"float32"),A=t.dataIdMap.get(r.dataId).id,y=new Uint8Array(new Int32Array(w.computeStrides(r.shape)).buffer),g=new Uint8Array(new Int32Array(m).buffer),x=new Uint8Array(new Int32Array(w.computeStrides(m)).buffer),k=t.dataIdMap.get(f.dataId).id;return N6(A,s,i==="NHWC"?1:0,y,r.shape.length-1,g,x,m.length,k),f}var TK={kernelName:fo,backendName:"wasm",setupFunc:SK,kernelFunc:NK},T6;function EK(e){T6=e.wasm.cwrap(As,null,["number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number"])}function CK(e){let{inputs:t,attrs:n,backend:a}=e,{x:r,filter:s}=t,i=a.dataIdMap.get(r.dataId).id,o=a.dataIdMap.get(s.dataId).id,{strides:l,dilations:d,pad:u,dimRoundingMode:p}=n,c=d==null?[1,1]:d,h=C.computeConv2DInfo(r.shape,s.shape,l,c,u,p,!0),m=h.filterHeight,f=h.filterWidth,A=h.padInfo.top,y=h.padInfo.right,g=h.padInfo.bottom,x=h.padInfo.left,k=h.dilationHeight,b=h.dilationWidth,v=h.strideHeight,I=h.strideWidth,T=h.inChannels,R=h.outChannels,$=h.padInfo.type==="SAME"?1:0;if(h.dataFormat!=="channelsLast")throw new Error(`wasm backend DepthwiseConv2dNative does not support dataFormat:'${h.dataFormat}'. 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Please use 'NHWC'.`);let re=a.makeOutput(f.outShape,"float32"),te=a.dataIdMap.get(re.dataId).id,ie=o==null?0:a.dataIdMap.get(o.dataId).id;return R6(y,G,ee,Y,g,b,v,k,I,T,R,$,X,z,_,V,j,U,x,A,ie,m||0,te),re}var XK={kernelName:ti,backendName:"wasm",setupFunc:GK,kernelFunc:qK},M6;function KK(e){M6=e.wasm.cwrap(ni,null,["number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number","number"])}function ZK(e){let{inputs:t,attrs:n,backend:a}=e,{x:r,filter:s,bias:i,preluActivationWeights:o}=t,{strides:l,pad:d,dilations:u,dataFormat:p,dimRoundingMode:c,activation:h,leakyreluAlpha:m}=n,f=C.computeConv2DInfo(r.shape,s.shape,l,u,d,c,!0),A=gd[h];if(A==null)throw new Error(`${h} activation not yet supported for FusedDepthwiseConv2D in the wasm backend.`);let y=a.dataIdMap.get(r.dataId).id,g=a.dataIdMap.get(s.dataId).id,x=f.outChannels,k=0;if(i!=null){let Q=a.dataIdMap.get(i.dataId);if(Q.shape.length!==1)throw new Error(`FusedDepthwiseConv2D only supports rank-1 bias but got rank ${Q.shape.length}.`);if(Q.shape[0]!==x)throw new Error(`FusedDepthwiseConv2D bias shape (${Q.shape}) does not match the number of output channels (${x})`);k=Q.id}let b=f.filterHeight,v=f.filterWidth,I=f.padInfo.top,T=f.padInfo.right,R=f.padInfo.bottom,$=f.padInfo.left,z=f.dilationHeight,_=f.dilationWidth,V=f.strideHeight,j=f.strideWidth,U=f.inChannels,X=f.padInfo.type==="SAME"?1:0,G=f.batchSize,ee=f.inHeight,Y=f.inWidth;if(p!=="NHWC")throw new Error(`wasm backend FusedDepthwiseConv2D does not support dataFormat:'${p}'. 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hY(e){let{backend:t,inputs:n,attrs:a}=e,{axis:r,keepDims:s}=a,{x:i}=n,o=t.dataIdMap.get(i.dataId).id,l=o,d=i,{transposed:u,axes:p,originalAxes:c,inputWasTransposed:h}=Wr(i,r,t),m=p;if(h){let x=t.dataIdMap.get(u.dataId).id;x!==o&&(d=u,l=x,m=C.getInnerMostAxes(m.length,d.shape.length))}C.assertAxesAreInnerMostDims("prod",m,d.shape.length);let[f,A]=C.computeOutAndReduceShapes(d.shape,m),y=w.sizeFromShape(A),g=t.makeOutput(f,d.dtype);if(w.sizeFromShape(d.shape)!==0){let x=t.dataIdMap.get(g.dataId).id;G6(l,y,Sn[g.dtype],x)}if(h&&t.disposeData(u.dataId),s){let x=C.expandShapeToKeepDim(g.shape,c);g.shape=x}return g}var fY={kernelName:Lo,backendName:"wasm",setupFunc:cY,kernelFunc:hY},mY=e=>{let{backend:t,attrs:n}=e,{start:a,stop:r,step:s,dtype:i}=n,o=HA(a,r,s,i),l=t.makeOutput([o.length],i);return t.typedArrayFromHeap(l).set(o),l},AY={kernelName:Iu,backendName:"wasm",kernelFunc:mY},yY=!0,gY=fn(ys,yY),xY=hn(Ps),bY=hn(Ws),q6;function 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Found: ${this.outputs.map(y=>y.name)}`),this.inputLayers=[],this.inputLayersNodeIndices=[],this.inputLayersTensorIndices=[],this.outputLayers=[],this.outputLayersNodeIndices=[],this.outputLayersTensorIndices=[],this.layers=[],this.internalContainerRefs=[];for(let y of this.outputs){let g=y.sourceLayer,x=y.nodeIndex,k=y.tensorIndex;this.outputLayers.push(g),this.outputLayersNodeIndices.push(x),this.outputLayersTensorIndices.push(k)}for(let y of this.inputs){let g=y.sourceLayer,x=y.nodeIndex,k=y.tensorIndex;ja(x===0,"input layer has >1 nodes"),ja(k===0,"input layer has >1 tensors"),this.inputLayers.push(g),this.inputLayersNodeIndices.push(x),this.inputLayersTensorIndices.push(k)}this.inputNames=[],this.outputNames=[],this.feedInputShapes=[],this.feedInputNames=[],this.feedOutputNames=[];for(let y=0;y<this.inputLayers.length;y++){let g=this.inputLayers[y];if(!(g instanceof Ll))throw new TypeError(`Input layers to a LayersModel must be InputLayer objects. Received inputs: ${e.inputs}. Input ${y} (0-based) originates from layer type ${g.getClassName()}.`);this.inputNames.push(g.name),this.feedInputShapes.push(g.batchInputShape),this.feedInputNames.push(g.name)}for(let y of this.outputLayers)this.outputNames.push(y.name);this.internalInputShapes=this.inputs.map(y=>y.shape),this.internalOutputShapes=this.outputs.map(y=>y.shape);let t={},n={},a={},r={},s={},i=[],o=(y,g,x,k,b,v)=>{(k==null||b==null||v==null)&&(k=y.sourceLayer,b=y.nodeIndex,v=y.tensorIndex);let I=k.inboundNodes[b];if(x.indexOf(I)!==-1)throw new wa(`The tensor ${y.name} at layer "${k.name}" is part of a cycle.`);if(g.indexOf(I)!==-1)return;this.containerNodes.add(Ga.nodeKey(k,b)),k.id in s||(s[k.id]=Object.keys(s).length),x.indexOf(I)===-1&&x.push(I);let T=I.inboundLayers.length;for(let R=0;R<T;R++){let $=I.inputTensors[R],z=I.inboundLayers[R],_=I.nodeIndices[R],V=I.tensorIndices[R];o($,g,x,z,_,V)}for(g.push(I);x.indexOf(I)>=0;)x.splice(x.indexOf(I),1);i.push(I)},l=[],d=[];for(let y of this.outputs)o(y,l,d);let u=i.slice().reverse();for(let y of u){n[y.id]=y,y.id in t||(t[y.id]=0);let g=t[y.id],x=a[y.outboundLayer.id]==null?0:a[y.outboundLayer.id];g=Math.max(g,x),a[y.outboundLayer.id]=g,r[y.outboundLayer.id]=y.outboundLayer,t[y.id]=g;for(let k=0;k<y.inboundLayers.length;k++){let b=y.inboundLayers[k],v=y.nodeIndices[k],I=b.inboundNodes[v],T=t[I.id]==null?0:t[I.id];t[I.id]=Math.max(g+1,T),n[I.id]=I}}let p={};for(let y in t){let g=t[y];g in p||(p[g]=[]),p[g].push(n[y])}let c={};for(let y in a){let g=a[y];g in c||(c[g]=[]),c[g].push(r[y])}let h=Object.keys(c).map(y=>parseInt(y,10)).sort(Ch);this.layers=[];for(let y of h){let g=c[y];g.sort((x,k)=>{let b=s[x.id],v=s[k.id];return b<v?-1:b>v?1:0});for(let x of g)x instanceof Ga&&this.internalContainerRefs.push(x),this.layers.push(x)}this.layersByDepth=c,h=Object.keys(p).map(y=>parseInt(y,10)).sort(Ch);let m=this.inputs.slice(),f=[];for(let y of h)for(let g of p[y]){let x=g.outboundLayer;if(x!=null){for(let k of g.inputTensors)if(m.indexOf(k)===-1)throw new wa(`Graph disconnected: cannot obtain value for tensor ${k} at layer "${x.name}". The following previous layers were accessed without issue: ${f}`);for(let k of g.outputTensors)m.push(k);f.push(x.name)}}this.nodesByDepth=p;let A=this.layers.map(y=>y.name);for(let y of A){let g=A.filter(x=>x===y).length;if(g!==1)throw new wa(`The name "${y}" is used ${g} times in the model. All layer names should be unique. Layer names: `+JSON.stringify(A))}this.outboundNodes=[],this.inboundNodes=[],new jh({outboundLayer:this,inboundLayers:[],nodeIndices:[],tensorIndices:[],inputTensors:this.inputs,outputTensors:this.outputs,inputMasks:this.inputs.map(y=>null),outputMasks:this.outputs.map(y=>null),inputShapes:this.inputs.map(y=>y.shape),outputShapes:this.outputs.map(y=>y.shape)}),this.built=!0,this._refCount=1}assertNotDisposed(){if(this._refCount===0)throw new Error(`Container '${this.name}' is already disposed.`)}dispose(){this.assertNotDisposed();let e={refCountAfterDispose:null,numDisposedVariables:0};if(--this._refCount==0){for(let t of this.layers)e.numDisposedVariables+=t.dispose().numDisposedVariables;for(let t of this.internalContainerRefs)e.numDisposedVariables+=t.dispose().numDisposedVariables}return e.refCountAfterDispose=this._refCount,e}get trainable(){return this.trainable_}set trainable(e){this.layers.forEach(t=>{t._trainableWeights.forEach(n=>n.trainable=e)}),this.trainable_=e}get trainableWeights(){if(this._trainableWeights.length>0)throw new W("Container instance unexpectedly contains _trainableWeights.The trainable weights of a Container are a union of the trainable weights of its consituent Layers. Its own _trainableWeights must remain an empty Array.");if(!this.trainable)return[];let e=[];for(let t of this.layers)e=e.concat(t.trainableWeights);return e}get nonTrainableWeights(){let e=[];for(let t of this.layers)e.push(...t.nonTrainableWeights);if(!this.trainable){let t=[];for(let n of this.layers)t.push(...n.trainableWeights);return t.concat(e)}return e}get weights(){return this.trainableWeights.concat(this.nonTrainableWeights)}loadWeights(e,t=!0){let n={},a=0;for(let s of this.layers)for(let i of s.weights){if(n[i.originalName]!=null)throw new W(`Duplicate weight name: ${i.originalName}`);n[i.originalName]=i,a++}let r=[];for(let s in e){let i=s;if(n[s]==null){let o=s.split("/");i=o.slice(0,-2).concat([o[o.length-1]]).join("/")}if(n[i]!=null)r.push([n[i],e[s]]);else if(t)throw new W(`Provided weight data has no target variable: ${s}`);delete n[i]}if(t){let s=[];for(let i in n)s.push(i);if(s.length>0)throw new W(`${s.length} of ${a} weights are not set: ${s}`)}Y1(r)}updatedConfig(){let e=this.getConfig(),t={};return t.className=this.getClassName(),t.config=e,t.kerasVersion=`tfjs-layers ${sy}`,t.backend="TensorFlow.js",t}toJSON(e,t=!0){let n=ry(this.updatedConfig());return t?JSON.stringify(n):n}call(e,t){return L(()=>{e=ft(e);let n=new $i;for(let a=0;a<this.inputs.length;++a)n.add(this.inputs[a],e[a]);return Fd(this.outputs,n,t)})}computeMask(e,t){return L(()=>{e=ft(e);let n;return t==null?n=Ti(null,e.length):n=ft(t),this.runInternalGraph(e,n)[1]})}computeOutputShape(e){let t=Bh(e);if(t.length!==this.inputLayers.length)throw new W(`Invalid inputShape argument ${e}: model has ${this.inputLayers.length} tensor inputs.`);let n={};for(let i=0;i<t.length;i++){let o=this.inputLayers[i],l=t[i],d=o.name+"_0_0";n[d]=l}let a=Object.keys(this.nodesByDepth).map(i=>parseInt(i,10)).sort(Ch);if(a.length>1)for(let i of a){let o=this.nodesByDepth[i];for(let l of o){let d=l.outboundLayer;if(this.inputLayers.map(m=>m.id).indexOf(d.id)!==-1)continue;let u=[];for(let m=0;m<l.inboundLayers.length;m++){let f=l.inboundLayers[m],A=l.nodeIndices[m],y=l.tensorIndices[m],g=`${f.name}_${A}_${y}`,x=n[g];u.push(x)}let p=d.computeOutputShape(Nn(u)),c=Bh(p),h=d.inboundNodes.indexOf(l);for(let m=0;m<c.length;m++){let f=`${d.name}_${h}_${m}`;n[f]=c[m]}}}let r=[],s=[];for(let i=0;i<this.outputLayers.length;i++){let o=this.outputLayers[i],l=this.outputLayersNodeIndices[i],d=this.outputLayersTensorIndices[i],u=`${o.name}_${l}_${d}`;s.push(u)}for(let i=0;i<s.length;i++){let o=s[i];ja(o in n),r.push(n[o])}return Nn(r)}runInternalGraph(e,t){t==null&&(t=Ti(null,e.length));let n={};for(let o=0;o<this.inputs.length;++o){let l=this.inputs[o],d=e[o],u=t[o];n[l.id]=[d,u]}let a=Object.keys(this.nodesByDepth).map(o=>parseInt(o,10)).sort(Ch);for(let o of a){let l=this.nodesByDepth[o];for(let d of l){let u=d.outboundLayer,p=d.inputTensors,c=d.outputTensors,h=new Array;for(let m of p)m.id in n&&h.push(n[m.id]);if(h.length===p.length){let m={},f,A,y,g;if(d.callArgs!=null&&(m=d.callArgs),h.length===1){let[x,k]=h[0];m.mask==null&&(m.mask=k),y=ft(u.call(x,m)),g=ft(u.computeMask(x,k)),f=[x],A=[k]}else f=h.map(x=>x[0]),A=h.map(x=>x[1]),m.mask==null&&(m.mask=A),y=ft(u.call(f,m)),g=ft(u.computeMask(f,A));if(u.activityRegularizer)throw new Oe("LayersModel invocation with concrete Tensor value(s) in the presence of activity regularizer(s) is not supported yet.");for(let x=0;x<c.length;++x){let k=c[x],b=y[x],v=g[x];n[k.id]=[b,v]}}}}let r=[],s=[],i=[];for(let o of this.outputs){ja(o.id in n,`Could not compute output ${o.name} : ${o.id}`);let[l,d]=n[o.id];i.push(l.shape),r.push(l),s.push(d)}return[r,s,i]}buildNodeConversionMap(e){let t={},n;for(let a of this.layers){n=a instanceof Ga?1:0;for(let r=0;r<a.inboundNodes.length;r++){let s=Ga.nodeKey(a,r);this.containerNodes.has(s)&&(t[s]=n,n+=1)}}return t}getLayer(e,t){if(t!=null){if(this.layers.length<=t)throw new W(`Was asked to retrieve layer at index ${t}, but model only has ${this.layers.length} layer(s).`);return this.layers[t]}else if(e==null)throw new W("Provide either a layer name or layer index");for(let n of this.layers)if(n.name===e)return n;throw new W(`No such layer: ${e}`)}calculateLosses(){return L(()=>{let e=[];for(let t of this.layers)for(let n=0;n<t.inboundNodes.length;++n){let a=Ga.nodeKey(t,n);this.containerNodes.has(a)&&e.push(...t.calculateLosses())}return e})}getConfig(){let e={name:this.name},t=this.buildNodeConversionMap(this.layers),n=[];for(let s of this.layers){let i=s.getClassName(),o=s.getConfig(),l=[];for(let u=0;u<s.inboundNodes.length;u++){let p=s.inboundNodes[u],c=Ga.nodeKey(s,u),h={};if(this.containerNodes.has(c)){if(p.callArgs)try{JSON.stringify(p.callArgs),h=p.callArgs}catch(m){console.warn(`Layer ${s.name} was passed non-serializable keyword arguments: ${p.callArgs}. They will not be included in the serialized model (and thus will be missing at deserialization time).`),h={}}if(p.inboundLayers.length>0){let m=[];for(let f=0;f<p.inboundLayers.length;f++){let A=p.inboundLayers[f],y=p.nodeIndices[f],g=p.tensorIndices[f],x=Ga.nodeKey(A,y),k=t[x];k==null&&(k=0),m.push([A.name,k,g,h])}l.push(m)}}}let d={};d.name=s.name,d.className=i,d.config=o,d.inboundNodes=l,n.push(d)}e.layers=n;let a=[];for(let s=0;s<this.inputLayers.length;s++){let i=this.inputLayers[s],o=this.inputLayersNodeIndices[s],l=Ga.nodeKey(i,o);if(!this.containerNodes.has(l))continue;let d=t[l];d==null&&(d=0);let u=this.inputLayersTensorIndices[s];a.push([i.name,d,u])}e.inputLayers=a;let r=[];for(let s=0;s<this.outputLayers.length;s++){let i=this.outputLayers[s],o=this.outputLayersNodeIndices[s],l=Ga.nodeKey(i,o);if(!this.containerNodes.has(l))continue;let d=t[l];d==null&&(d=0);let u=this.outputLayersTensorIndices[s];r.push([i.name,d,u])}return e.outputLayers=r,e}static fromConfig(e,t,n={},a=!1){let r={},s={};function i(f,A){f.name in s?s[f.name].push(A):s[f.name]=[A]}function o(f,A){let y=[],g;for(let x of A){let k=x[0],b=x[1],v=x[2];if(g=x[3]==null?{}:x[3],!(k in r)){i(f,A);return}let I=r[k];if(I.inboundNodes.length<=b){i(f,A);return}let T=I.inboundNodes[b];y.push(T.outputTensors[v])}y.length>0&&f.apply(Nn(y),g)}function l(f){let A=f.name,y=Na(f,t.customObjects!=null?t.customObjects:{});y.setFastWeightInitDuringBuild(a),r[A]=y,f.inboundNodes.forEach(g=>{if(!(g instanceof Array))throw new W(`Corrupted configuration, expected array for nodeData: ${g}`);i(y,g)})}let d=t.name,u=t.layers;for(let f of u)l(f);for(;!Wee(s);)for(let f of u){let A=r[f.name];if(A.name in s){let y=s[A.name];delete s[A.name];for(let g of y)o(A,g)}}let p=[],c=[],h=t.inputLayers;for(let f of h){let A=f[0],y=f[1],g=f[2];ja(A in r);let x=r[A].inboundNodes[y].outputTensors;p.push(x[g])}let m=t.outputLayers;for(let f of m){let A=f[0],y=f[1],g=f[2];ja(A in r);let x=r[A].inboundNodes[y].outputTensors;c.push(x[g])}return new e({inputs:p,outputs:c,name:d})}get stateful(){if(this._stateful)throw new W("Container instance unexpectedly has _stateful = true. The statefulness of a Container is determined by the Layers it contains. Its _stateful property must remain the default false.");for(let e of this.layers)if(e.stateful)return!0;return!1}resetStates(){L(()=>{this.layers.forEach(e=>{e.stateful&&e.resetStates()})})}};function Aae(e,t,n){let a=t.length;if(e==null||Array.isArray(e)&&e.length===0)return t.map(r=>null);if(a===1)return Array.isArray(e)&&e.length===1?e:typeof e=="object"&&t[0]in e?[e[t[0]]]:[e];if(Array.isArray(e)){if(e.length!==a)throw new Error(`Provided ${n} is an array of ${e.length} element(s), but the model has ${a} outputs. Make sure a set of weights is provided for each model output.`);return e}else if(typeof e=="object"&&Object.keys(e).length>0&&typeof e[Object.keys(e)[0]]=="object"){let r=[];return t.forEach(s=>{s in e?r.push(e[s]):r.push(null)}),r}else throw new Error(`The model has multiple (${a}) outputs, so ${n} must be either an array with ${a} elements or an object with ${t} keys. Provided ${n} not understood: ${JSON.stringify(e)}`)}function d4(e,t){return Aae(e,t,"classWeight")}async function p4(e,t,n,a){if(t!=null||a!=null)throw new Error("Support sampleWeight is not implemented yet");if(n!=null){let r=L(()=>{if(e.shape.length===1)return e.clone();if(e.shape.length===2)if(e.shape[1]>1){let o=1;return e.argMax(o)}else{if(e.shape[1]===1)return e.reshape([e.shape[0]]);throw new Error(`Encountered unexpected last-dimension size (${e.shape[1]}) during handling of class weights. The size is expected to be >= 1.`)}else throw new Error(`Unexpected rank of target (y) tensor (${e.rank}) during handling of class weights. The rank is expected to be 1 or 2.`)}),s=Array.from(await r.data());Ee(r);let i=[];return s.forEach(o=>{if(n[o]==null)throw new Error(`classWeight must contain all classes in the training data. The class ${o} exists in the data but not in classWeight`);i.push(n[o])}),nn(i,"float32")}else return null}function yae(e,t){return B(e,t)}var gae=32;function h4(e,t){let n,a,r=t;n=r.xs,a=r.ys,w.assert(n!=null&&a!=null,()=>`A Dataset iterator for fitDataset() is expected to generate objects of the form \`{xs: xVal, ys: yVal}\`, where the two values may be \`tf.Tensor\`, an array of Tensors, or a map of string to Tensor. The provided Dataset instead generates ${t}`);let s=c4("input",e.inputNames,n),i=c4("output",e.outputNames,a),o=s[0].shape[0];w.assert(s.length===e.inputs.length,()=>`LayersModel has ${e.inputs.length} inputs, but the dataset provides ${s.length} inputs. (Expected input keys: ${JSON.stringify(e.inputNames)})`),w.assert(i.length===e.outputs.length,()=>`LayersModel has ${e.outputs.length} outputs, but the dataset provides ${i.length} outputs. (Expected output keys: ${JSON.stringify(e.outputNames)})`);for(let l=0;l<s.length;l++)w.assert(s[l].shape[0]===o,()=>`Batch size mismatch: input ${e.inputNames[l]} has ${s[l].shape[0]}; expected ${o} based on input ${e.inputNames[0]}.`);for(let l=0;l<i.length;l++)w.assert(i[l].shape[0]===o,()=>`Batch size mismatch: output ${e.outputNames[l]} has ${i[l].shape[0]}; expected ${o} based on input ${e.inputNames[0]}.`);return{xs:s,ys:i}}function c4(e,t,n){if(n instanceof Le)return[n];if(Array.isArray(n))return w.assert(n.length===t.length,()=>`Received an array of ${n.length} Tensors, but expected ${t.length} to match the ${e} keys ${t}.`),n;{let a=[];for(let r of t){if(n[r]==null)throw new W(`The feature data generated by the dataset lacks the required ${e} key '${r}'.`);a.push(n[r])}return a}}function xae(e){if(e.length===3)throw new Oe("Validation with sample weights is not implemented yet.");return{xs:e[0],ys:e[1]}}async function vae(e,t,n){let a=n.batchesPerEpoch!=null;if(w.assert(e.optimizer!=null,()=>"You must compile a model before training/testing. Use LayersModel.compile(modelCompileConfig)."),w.assert(n!=null,()=>"For fitDataset(), the 2nd argument (config) is required, but it is not provided in this call."),w.assert(n.epochs!=null&&n.epochs>0&&Number.isInteger(n.epochs),()=>`For fitDataset(), config.epochs is expected to be a positive integer, but got ${n.epochs}`),w.assert(!a||n.batchesPerEpoch>0&&Number.isInteger(n.batchesPerEpoch),()=>`For fitDataset(), config.batchesPerEpoch is expected to be a positive integer if specified, but got ${n.batchesPerEpoch}`),w.assert(n.validationSplit==null,()=>"`validationSplit` is not supported by `fitDataset()`. 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t}makeTrainFunction(){return e=>{let t=[],n=e.slice(0,this.inputs.length),a=e.slice(this.inputs.length,this.inputs.length+this.outputs.length),r=e.slice(this.inputs.length+this.outputs.length,this.inputs.length+this.outputs.length*2),s=[],i=()=>{let d=[];for(let h=0;h<this.inputs.length;++h)d.push({key:this.inputs[h],value:n[h]});let u=new $i(d),p=Fd(this.outputs,u,{training:!0}),c;for(let h=0;h<this.lossFunctions.length;++h){let m=this.lossFunctions[h](a[h],p[h]);r[h]!=null&&(m=yae(m,r[h]));let f=kt(m);t.push(f),h===0?c=m:c=se(c,m)}for(let h=0;h<this.metricsTensors.length;++h){let m;if(this.outputs.length>1&&h<this.outputs.length)m=t[h];else{let f=this.metricsTensors[h][0],A=this.metricsTensors[h][1];m=kt(f(a[A],p[A]))}jt(m),s.push(m)}return c=kt(c),this.calculateLosses().forEach(h=>{c=se(c,h)}),c},o=this.collectedTrainableWeights.map(d=>d.read()),l=!0;return[this.optimizer_.minimize(i,l,o)].concat(s)}}makeTestFunction(){this.testFunction=e=>L(()=>{let 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stopTraining(e){this.stopTraining_=e}get stopTraining(){return this.stopTraining_}get optimizer(){return this.optimizer_}set optimizer(e){this.optimizer_!==e&&(this.optimizer_=e,this.isOptimizerOwned=!1)}dispose(){let e=super.dispose();if(e.refCountAfterDispose===0&&this.optimizer!=null&&this.isOptimizerOwned){let t=hc().numTensors;this.optimizer_.dispose(),e.numDisposedVariables+=t-hc().numTensors}return e}getLossIdentifiers(){let e;if(typeof this.loss=="string")e=dr(this.loss);else if(Array.isArray(this.loss)){for(let t of this.loss)if(typeof t!="string")throw new Error("Serialization of non-string loss is not supported.");e=this.loss.map(t=>dr(t))}else{let t=Object.keys(this.loss);e={};let n=this.loss;for(let a of t)if(typeof n[a]=="string")e[a]=dr(n[a]);else throw new Error("Serialization of non-string loss is not supported.")}return e}getMetricIdentifiers(){if(typeof this.metrics=="string"||typeof 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e.metrics)r[s]=Ei(e.metrics[s])}this.compile({loss:a,metrics:r,optimizer:n})}async save(e,t){if(typeof e=="string"){let i=vn.getSaveHandlers(e);if(i.length===0)throw new W(`Cannot find any save handlers for URL '${e}'`);if(i.length>1)throw new W(`Found more than one (${i.length}) save handlers for URL '${e}'`);e=i[0]}if(e.save==null)throw new W("LayersModel.save() cannot proceed because the IOHandler provided does not have the `save` attribute defined.");let n=await vn.encodeWeights(this.getNamedWeights(t)),a=!1,r=null,s={modelTopology:this.toJSON(r,a),format:Rae,generatedBy:`TensorFlow.js tfjs-layers v${sy}`,convertedBy:null};if((t==null?!1:t.includeOptimizer)&&this.optimizer!=null){s.trainingConfig=this.getTrainingConfig();let i="optimizer",{data:o,specs:l}=await vn.encodeWeights(await this.optimizer.getWeights(),i);n.specs.push(...l),n.data=vn.concatenateArrayBuffers([n.data,o])}if(this.userDefinedMetadata!=null){let i=!0;i4(this.userDefinedMetadata,this.name,i),s.userDefinedMetadata=this.userDefinedMetadata}return s.weightData=n.data,s.weightSpecs=n.specs,e.save(s)}setUserDefinedMetadata(e){i4(e,this.name),this.userDefinedMetadata=e}getUserDefinedMetadata(){return this.userDefinedMetadata}};pr.className="Model";ae.registerClass(pr);var x4=class extends pr{};x4.className="Functional";ae.registerClass(x4);async function Mae(e,t){"modelTopology"in e||(e={modelTopology:e}),e=e;let n=e.modelTopology;n.model_config!=null&&(n=n.model_config);let a=Md(n),r=Na(a,t);if(e.weightsManifest!=null){let s=await vn.loadWeights(e.weightsManifest,e.pathPrefix,r.weights.map(o=>o.originalName)),i={};for(let o of r.weights)i[o.originalName]=s[o.originalName];r.loadWeights(i),Ee(s)}return r}async function $ae(e,t){if(t==null&&(t={}),typeof e=="string"){let n=vn.getLoadHandlers(e,t);if(n.length===0)n.push(vn.browserHTTPRequest(e,t));else if(n.length>1)throw new W(`Found more than one (${n.length}) load handlers for URL '${e}'`);e=n[0]}return Fae(e,void 0,t)}async function Fae(e,t,n){if(n==null&&(n={}),e.load==null)throw new W("Cannot proceed with model loading because the IOHandler provided does not have the `load` method implemented.");let a=await e.load(),r=a.modelTopology;r.model_config!=null&&(r=r.model_config);let s=n.strict==null?!0:n.strict,i=a.weightData!=null&&a.weightSpecs!=null&&s,o=Na(Md(r),t,i),l=a.trainingConfig;if(l!=null&&o.loadTrainingConfig(l),a.userDefinedMetadata!=null&&o.setUserDefinedMetadata(a.userDefinedMetadata),a.weightData!=null){if(a.weightSpecs==null)throw new W("LayersModel artifacts contains weight data, but not weight specs. 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For multi-output layers, use the functional API.");if(n.inputs.length!==1)throw new W("All layers in a Sequential model should have a single input tensor. For multi-input layers, use the functional API.")}if(this.outputs.length===0){if(e.inboundNodes.length===0){if(e.batchInputShape==null)throw new W("The first layer in a Sequential model must get an `inputShape` or `batchInputShape` argument.");let a=Gw({batchShape:e.batchInputShape,dtype:e.dtype,name:e.name+"_input"});e.apply(a)}if(t)this.outputs=n.outputs,this.inputs=n.inputs;else{if(e.inboundNodes.length!==1)throw new W(`A layer added to a Sequential model must not already be connected somewhere else. LayersModel received layer ${e.name} which has ${e.inboundNodes.length} pre-existing inbound connections.`);if(e.inboundNodes[0].outputTensors.length!==1)throw new W("All layers in a Sequential model should have a single output tensor. 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Add some layers first.");this.model=new pr({inputs:this.inputs,outputs:this.outputs[0],name:this.name+"_model"}),this.model.trainable=this.trainable,this.supportsMasking=this.model.supportsMasking,this.inputLayers=this.model.inputLayers,this.inputLayersNodeIndices=this.model.inputLayersNodeIndices,this.inputLayersTensorIndices=this.model.inputLayersTensorIndices,this.outputLayers=this.model.outputLayers,this.outputLayersNodeIndices=this.model.outputLayersNodeIndices,this.outputLayersTensorIndices=this.model.outputLayersTensorIndices,this.nodesByDepth=this.model.nodesByDepth,this.containerNodes=this.model.containerNodes,this.outputNames=this.model.outputNames,this.inputNames=this.model.inputNames,this.built=!0}countParams(){return this.built||this.build(),super.countParams()}summary(e,t,n=console.log){this.built||this.build(),super.summary(e,t,n)}setWeights(e){this.model==null&&this.build(),this.model.setWeights(e)}evaluate(e,t,n={}){if(!this.built)throw new wa("The model needs to be compiled before being used.");return this.model.evaluate(e,t,n)}async evaluateDataset(e,t){if(!this.built)throw new wa("The model needs to be compiled before being used.");return this.model.evaluateDataset(e,t)}predict(e,t={}){return this.model==null&&this.build(),this.model.predict(e,t)}predictOnBatch(e){return this.model==null&&this.build(),this.model.predictOnBatch(e)}compile(e){this.build(),this.model.compile(e),this.optimizer_=this.model.optimizer,this.isOptimizerOwned=this.model.isOptimizerOwned,this.loss=this.model.loss,this.metrics=this.model.metrics,this.metricsTensors=this.model.metricsTensors,this.metricsNames=this.model.metricsNames}get optimizer(){return this.model==null?void 0:this.model.optimizer}set optimizer(e){this.model.optimizer=e}async fit(e,t,n={}){if(!this.built)throw new wa("The model needs to be compiled before being used.");return this.model.fit(e,t,n)}async fitDataset(e,t){if(!this.built)throw new wa("The model needs to be compiled before being used.");return this.model.fitDataset(e,t)}async trainOnBatch(e,t){return this.model.trainOnBatch(e,t)}static fromConfig(e,t,n={},a=!1){let r,s={};if(t instanceof Array){if(t[0].className==null||t[0].className==="Merge")throw new W("Legacy serialization format not supported yet.");r=t}else w.assert(t.layers!=null,()=>"When the config data for a Sequential model is not an Array, it must be an Object that contains the 'layers' field."),r=t.layers,delete t.layers,s=t;let i=new e(s);if(!(i instanceof Vl))throw new Oe(`Sequential.fromConfig called on non-Sequential input: ${i}`);for(let o of r){let l=Na(o,void 0,a);a&&l.setFastWeightInitDuringBuild(!0),i.add(l)}return i}set stopTraining(e){if(this.model==null)throw new W("Cannot set the stopTraining property of a sequential model before it is compiled.");this.model.stopTraining=e}get stopTraining(){if(this.model==null)throw new W("Cannot get the stopTraining property of a sequential model before it is compiled.");return this.model.stopTraining}getConfig(){let e=[];for(let t of this.layers){let n={};n.className=t.getClassName(),n.config=t.getConfig(),e.push(n)}return{name:this.name,layers:e}}};Vl.className="Sequential";ae.registerClass(Vl);function Oae(e){return new pr(e)}function zae(e){return new Vl(e)}function _ae(e,t){return t==null&&(t={}),$ae(e,t)}function _w(e){return Gw(e)}function Pae(e,t){ca.registerCallbackConstructor(e,t)}var En=class extends ae.Serializable{getConfig(){return{}}},b4=class extends En{apply(e,t=1){return mte(e,t)}};b4.className="elu";ae.registerClass(b4);var v4=class extends En{apply(e){return $c(e)}};v4.className="selu";ae.registerClass(v4);var w4=class extends En{apply(e){return La(e)}};w4.className="relu";ae.registerClass(w4);var k4=class extends En{apply(e){return L(()=>yl(6,La(e)))}};k4.className="relu6";ae.registerClass(k4);var I4=class extends En{apply(e){return e}};I4.className="linear";ae.registerClass(I4);var S4=class extends En{apply(e){return 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ut(e){return T1(e)}function O4(e,t={}){return wd(e,ae.SerializationMap.getMap().classNameMap,t,"regularizer")}function yt(e){if(e==null)return null;if(typeof e=="string"){let t={className:e in D4?D4[e]:e,config:{}};return O4(t)}else return e instanceof $4?e:O4(e)}var fy=class extends Ge{constructor(e){super(e==null?{}:e);this.supportsMasking=!0,e!=null&&(this.maxValue=e.maxValue)}call(e,t){e=_e(e);let n=La(e);return this.maxValue!=null&&(n=kn(n,0,this.maxValue)),n}computeOutputShape(e){return e}getConfig(){let e={maxValue:this.maxValue},t=super.getConfig();return Object.assign(e,t),e}};fy.className="ReLU";ae.registerClass(fy);var my=class extends Ge{constructor(e){super(e==null?{}:e);this.DEFAULT_ALPHA=.3,e==null&&(e={}),this.alpha=e.alpha==null?this.DEFAULT_ALPHA:e.alpha}call(e,t){let n=_e(e);return qu(n,this.alpha)}computeOutputShape(e){return e}getConfig(){let e={alpha:this.alpha},t=super.getConfig();return Object.assign(e,t),e}};my.className="LeakyReLU";ae.registerClass(my);var 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e={theta:this.theta},t=super.getConfig();return Object.assign(e,t),e}};gy.className="ThresholdedReLU";ae.registerClass(gy);var xy=class extends Ge{constructor(e){super(e==null?{}:e);this.DEFAULT_AXIS=1,e==null&&(e={}),this.softmax=new py().apply,this.axis=e.axis==null?this.DEFAULT_AXIS:e.axis}call(e,t){let n=_e(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}};xy.className="Softmax";ae.registerClass(xy);function jl(e,t,n){if(typeof e=="number")return Ti(e,t);if(e.length!==t)throw new W(`The ${n} argument must be an integer or tuple of ${t} integers. Received: ${e.length} elements.`);for(let a=0;a<t;++a){let r=e[a];if(!pte(r))throw new W(`The ${n} argument must be an integer or tuple of ${t} integers. Received: ${JSON.stringify(e)} including a non-integer number ${r}`)}return e}function Ta(e,t,n,a,r=1){if(e==null)return e;let s=t+(t-1)*(r-1),i;return n==="same"?i=e:i=e-s+1,Math.floor((i+a-1)/a)}function qa(e,t,n,a){if(e==null)return null;if(a==="valid")e=e*t+jr([n-t,0]);else if(a==="same")e=e*t;else throw new W(`Unsupport padding mode: ${a}.`);return e}function by(e,t){return L(()=>(Et(t),t==="channelsFirst"?Ze(e,[0,2,3,1]):e))}function z4(e,t){return L(()=>(Et(t),t==="channelsFirst"?Ze(e,[0,2,3,4,1]):e))}function Bae(e,t,n,a=1,r="valid",s,i=1){return L(()=>{if(s==null&&(s=va()),Et(s),e.shape.length!==3)throw new W(`The input of a conv1dWithBias operation should be 3, but is ${e.shape.length} instead.`);if(t.shape.length!==3)throw new W(`The kernel for a conv1dWithBias operation should be 3, but is ${t.shape.length} instead`);if(n!=null&&n.shape.length!==1)throw new W(`The bias for a conv1dWithBias operation should be 1, but is ${t.shape.length} instead`);if(s==="channelsFirst"&&(e=Ze(e,[0,2,1])),r==="causal")throw new Oe("The support for CAUSAL padding mode in conv1dWithBias is not implemented yet.");let o=gc(e,t,a,r==="same"?"same":"valid","NWC",i);return n!=null&&(o=Ia(o,n)),o})}function _4(e,t,n,a=[1,1],r="valid",s,i,o=null){return L(()=>{if(s==null&&(s=va()),Et(s),e.rank!==3&&e.rank!==4)throw new W(`conv2dWithBiasActivation expects input to be of rank 3 or 4, but received ${e.rank}.`);if(t.rank!==3&&t.rank!==4)throw new W(`conv2dWithBiasActivation expects kernel to be of rank 3 or 4, but received ${e.rank}.`);let l=by(e,s);if(r==="causal")throw new Oe("The support for CAUSAL padding mode in conv1dWithBias is not implemented yet.");return l=zr.conv2d({x:l,filter:t,strides:a,pad:r==="same"?"same":"valid",dilations:i,dataFormat:"NHWC",bias:n,activation:o}),s==="channelsFirst"&&(l=Ze(l,[0,3,1,2])),l})}function Vae(e,t,n,a=[1,1,1],r="valid",s,i){return L(()=>{if(s==null&&(s=va()),Et(s),e.rank!==4&&e.rank!==5)throw new W(`conv3dWithBias expects input to be of rank 4 or 5, but received ${e.rank}.`);if(t.rank!==4&&t.rank!==5)throw new W(`conv3dWithBias expects kernel to be of rank 4 or 5, but received ${e.rank}.`);let o=z4(e,s);if(r==="causal")throw new Oe("The support for CAUSAL padding mode in conv3dWithBias is not implemented yet.");return o=oA(o,t,a,r==="same"?"same":"valid","NDHWC",i),n!=null&&(o=Ia(o,n)),s==="channelsFirst"&&(o=Ze(o,[0,4,1,2,3])),o})}var vy=class extends Ge{constructor(e,t){super(t);if(this.bias=null,this.DEFAULT_KERNEL_INITIALIZER="glorotNormal",this.DEFAULT_BIAS_INITIALIZER="zeros",vy.verifyArgs(t),this.rank=e,Ht(this.rank,"rank"),this.rank!==1&&this.rank!==2&&this.rank!==3)throw new Oe(`Convolution layer for rank other than 1, 2, or 3 (${this.rank}) is not implemented yet.`);if(this.kernelSize=jl(t.kernelSize,e,"kernelSize"),this.strides=jl(t.strides==null?1:t.strides,e,"strides"),this.padding=t.padding==null?"valid":t.padding,Qn(this.padding),this.dataFormat=t.dataFormat==null?"channelsLast":t.dataFormat,Et(this.dataFormat),this.activation=Gr(t.activation),this.useBias=t.useBias==null?!0:t.useBias,this.biasInitializer=At(t.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.biasConstraint=Lt(t.biasConstraint),this.biasRegularizer=yt(t.biasRegularizer),this.activityRegularizer=yt(t.activityRegularizer),this.dilationRate=jl(t.dilationRate==null?1:t.dilationRate,e,"dilationRate"),this.rank===1&&Array.isArray(this.dilationRate)&&this.dilationRate.length!==1)throw new W(`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 W(`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 W(`dilationRate must be a number or array of three numbers for 3D convolution, but received ${JSON.stringify(this.dilationRate)}`)}}static verifyArgs(e){if(ja("kernelSize"in e,"required key 'kernelSize' not in config"),typeof e.kernelSize!="number"&&!C1(e.kernelSize,"number",1,3))throw new W(`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:Hr(this.activation),useBias:this.useBias,biasInitializer:It(this.biasInitializer),biasRegularizer:ut(this.biasRegularizer),activityRegularizer:ut(this.activityRegularizer),biasConstraint:Pt(this.biasConstraint)},t=super.getConfig();return Object.assign(e,t),e}},Od=class extends vy{constructor(e,t){super(e,t);this.kernel=null,Od.verifyArgs(t),this.filters=t.filters,Ht(this.filters,"filters"),this.kernelInitializer=At(t.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.kernelConstraint=Lt(t.kernelConstraint),this.kernelRegularizer=yt(t.kernelRegularizer)}build(e){e=at(e);let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null)throw new W(`The channel dimension of the input should be defined. Found ${e[t]}`);let n=e[t],a=this.kernelSize.concat([n,this.filters]);this.kernel=this.addWeight("kernel",a,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 L(()=>{e=_e(e);let n,a=this.bias==null?null:this.bias.read(),r=vw(this.activation.getClassName());if(r!=null&&this.rank===2)n=_4(e,this.kernel.read(),a,this.strides,this.padding,this.dataFormat,this.dilationRate,r);else{if(this.rank===1)n=Bae(e,this.kernel.read(),a,this.strides[0],this.padding,this.dataFormat,this.dilationRate[0]);else if(this.rank===2)n=_4(e,this.kernel.read(),a,this.strides,this.padding,this.dataFormat,this.dilationRate);else if(this.rank===3)n=Vae(e,this.kernel.read(),a,this.strides,this.padding,this.dataFormat,this.dilationRate);else throw new Oe("convolutions greater than 3D are not implemented yet.");this.activation!=null&&(n=this.activation.apply(n))}return n})}computeOutputShape(e){e=at(e);let t=[],n=this.dataFormat==="channelsLast"?e.slice(1,e.length-1):e.slice(2);for(let r=0;r<n.length;++r){let s=Ta(n[r],this.kernelSize[r],this.padding,this.strides[r],typeof this.dilationRate=="number"?this.dilationRate:this.dilationRate[r]);t.push(s)}let a=[e[0]];return this.dataFormat==="channelsLast"?(a=a.concat(t),a.push(this.filters)):(a.push(this.filters),a=a.concat(t)),a}getConfig(){let e={filters:this.filters,kernelInitializer:It(this.kernelInitializer),kernelRegularizer:ut(this.kernelRegularizer),kernelConstraint:Pt(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 W(`Convolution layer expected config.filters to be a 'number' > 0 but got ${JSON.stringify(e.filters)}`)}},zd=class extends Od{constructor(e){super(2,e);zd.verifyArgs(e)}getConfig(){let e=super.getConfig();return delete e.rank,e}static verifyArgs(e){if(typeof e.kernelSize!="number"&&!C1(e.kernelSize,"number",1,2))throw new W(`Conv2D expects config.kernelSize to be number or number[] with length 1 or 2, but received ${JSON.stringify(e.kernelSize)}.`)}};zd.className="Conv2D";ae.registerClass(zd);var _d=class extends Od{constructor(e){super(3,e);_d.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 W(`Conv3D expects config.kernelSize to be number or [number, number, number], but received ${JSON.stringify(e.kernelSize)}.`)}};_d.className="Conv3D";ae.registerClass(_d);var wy=class extends zd{constructor(e){super(e);if(this.inputSpec=[new Mt({ndim:4})],this.padding!=="same"&&this.padding!=="valid")throw new W(`Conv2DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode ${this.padding}`)}build(e){if(e=at(e),e.length!==4)throw new W("Input should have rank 4; Received input shape: "+JSON.stringify(e));let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null)throw new W("The channel dimension of the inputs should be defined. Found `None`.");let n=e[t],a=this.kernelSize.concat([this.filters,n]);this.kernel=this.addWeight("kernel",a,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new Mt({ndim:4,axes:{[t]:n}})],this.built=!0}call(e,t){return L(()=>{let n=_e(e);if(n.shape.length!==4)throw new W(`Conv2DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-${n.shape.length}`);let a=n.shape,r=a[0],s,i;this.dataFormat==="channelsFirst"?(s=2,i=3):(s=1,i=2);let o=a[s],l=a[i],d=this.kernelSize[0],u=this.kernelSize[1],p=this.strides[0],c=this.strides[1],h=qa(o,p,d,this.padding),m=qa(l,c,u,this.padding),f=[r,h,m,this.filters];this.dataFormat!=="channelsLast"&&(n=Ze(n,[0,2,3,1]));let A=xc(n,this.kernel.read(),f,this.strides,this.padding);return this.dataFormat!=="channelsLast"&&(A=Ze(A,[0,3,1,2])),this.bias!=null&&(A=Ia(A,this.bias.read(),this.dataFormat)),this.activation!=null&&(A=this.activation.apply(A)),A})}computeOutputShape(e){e=at(e);let t=e.slice(),n,a,r;this.dataFormat==="channelsFirst"?(n=1,a=2,r=3):(n=3,a=1,r=2);let s=this.kernelSize[0],i=this.kernelSize[1],o=this.strides[0],l=this.strides[1];return t[n]=this.filters,t[a]=qa(t[a],o,s,this.padding),t[r]=qa(t[r],l,i,this.padding),t}getConfig(){let e=super.getConfig();return delete e.dilationRate,e}};wy.className="Conv2DTranspose";ae.registerClass(wy);var ky=class extends _d{constructor(e){super(e);if(this.inputSpec=[new Mt({ndim:5})],this.padding!=="same"&&this.padding!=="valid")throw new W(`Conv3DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode ${this.padding}`)}build(e){if(e=at(e),e.length!==5)throw new W("Input should have rank 5; Received input shape: "+JSON.stringify(e));let t=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[t]==null)throw new W("The channel dimension of the inputs should be defined. Found `None`.");let n=e[t],a=this.kernelSize.concat([this.filters,n]);this.kernel=this.addWeight("kernel",a,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new Mt({ndim:5,axes:{[t]:n}})],this.built=!0}call(e,t){return L(()=>{let n=_e(e);if(n.shape.length!==5)throw new W(`Conv3DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-${n.shape.length}`);let a=n.shape,r=a[0],s,i,o;this.dataFormat==="channelsFirst"?(o=2,s=3,i=4):(o=1,s=2,i=3);let l=a[o],d=a[s],u=a[i],p=this.kernelSize[0],c=this.kernelSize[1],h=this.kernelSize[2],m=this.strides[0],f=this.strides[1],A=this.strides[2],y=qa(l,m,p,this.padding),g=qa(d,f,c,this.padding),x=qa(u,A,h,this.padding),k=[r,y,g,x,this.filters];this.dataFormat!=="channelsLast"&&(n=Ze(n,[0,2,3,4,1]));let b=Fb(n,this.kernel.read(),k,this.strides,this.padding);return this.dataFormat!=="channelsLast"&&(b=Ze(b,[0,4,1,2,3])),this.bias!==null&&(b=Ia(b,this.bias.read(),this.dataFormat)),this.activation!==null&&(b=this.activation.apply(b)),b})}computeOutputShape(e){e=at(e);let t=e.slice(),n,a,r,s;this.dataFormat==="channelsFirst"?(n=1,a=2,r=3,s=4):(n=4,a=1,r=2,s=3);let i=this.kernelSize[0],o=this.kernelSize[1],l=this.kernelSize[2],d=this.strides[0],u=this.strides[1],p=this.strides[2];return t[n]=this.filters,t[a]=qa(t[a],d,i,this.padding),t[r]=qa(t[r],u,o,this.padding),t[s]=qa(t[s],p,l,this.padding),t}getConfig(){let e=super.getConfig();return delete e.dilationRate,e}};ky.className="Conv3DTranspose";ae.registerClass(ky);var P4=class extends Od{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 W("The `filters` configuration field is required by SeparableConv, but is unspecified.");if(t.kernelInitializer!=null||t.kernelRegularizer!=null||t.kernelConstraint!=null)throw new W("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 W(`SeparableConv${this.rank}D supports only padding modes: 'same' and 'valid', but received ${JSON.stringify(t.padding)}`);this.depthMultiplier=t.depthMultiplier==null?1:t.depthMultiplier,this.depthwiseInitializer=At(t.depthwiseInitializer||this.DEFAULT_DEPTHWISE_INITIALIZER),this.depthwiseRegularizer=yt(t.depthwiseRegularizer),this.depthwiseConstraint=Lt(t.depthwiseConstraint),this.pointwiseInitializer=At(t.depthwiseInitializer||this.DEFAULT_POINTWISE_INITIALIZER),this.pointwiseRegularizer=yt(t.pointwiseRegularizer),this.pointwiseConstraint=Lt(t.pointwiseConstraint)}build(e){if(e=at(e),e.length<this.rank+2)throw new W(`Inputs to SeparableConv${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 W(`The channel dimension of the inputs should be defined, but found ${JSON.stringify(e[t])}`);let n=e[t],a=this.kernelSize.concat([n,this.depthMultiplier]),r=[];for(let i=0;i<this.rank;++i)r.push(1);r.push(n*this.depthMultiplier,this.filters);let s=!0;this.depthwiseKernel=this.addWeight("depthwise_kernel",a,"float32",this.depthwiseInitializer,this.depthwiseRegularizer,s,this.depthwiseConstraint),this.pointwiseKernel=this.addWeight("pointwise_kernel",r,"float32",this.pointwiseInitializer,this.pointwiseRegularizer,s,this.pointwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,s,this.biasConstraint):this.bias=null,this.inputSpec=[new Mt({ndim:this.rank+2,axes:{[t]:n}})],this.built=!0}call(e,t){return L(()=>{e=_e(e);let n;if(this.rank===1)throw new Oe("1D separable convolution is not implemented yet.");return this.rank===2&&(this.dataFormat==="channelsFirst"&&(e=Ze(e,[0,2,3,1])),n=NA(e,this.depthwiseKernel.read(),this.pointwiseKernel.read(),this.strides,this.padding,this.dilationRate,"NHWC")),this.useBias&&(n=Ia(n,this.bias.read(),this.dataFormat)),this.activation!=null&&(n=this.activation.apply(n)),this.dataFormat==="channelsFirst"&&(n=Ze(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=It(this.depthwiseInitializer),e.pointwiseInitializer=It(this.pointwiseInitializer),e.depthwiseRegularizer=ut(this.depthwiseRegularizer),e.pointwiseRegularizer=ut(this.pointwiseRegularizer),e.depthwiseConstraint=Pt(this.depthwiseConstraint),e.pointwiseConstraint=Pt(this.pointwiseConstraint),e}};P4.className="SeparableConv";var Iy=class extends P4{constructor(e){super(2,e)}};Iy.className="SeparableConv2D";ae.registerClass(Iy);var Jh=class extends Od{constructor(e){super(1,e);Jh.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"&&!C1(e.kernelSize,"number",1,1))throw new W(`Conv1D expects config.kernelSize to be number or number[] with length 1, but received ${JSON.stringify(e.kernelSize)}.`)}};Jh.className="Conv1D";ae.registerClass(Jh);var Sy=class extends Ge{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 L(()=>{if(e=_e(e),this.dataFormat==="channelsLast"){let n=Rh(e,this.cropping[0][0],e.shape[1]-this.cropping[0][0]-this.cropping[0][1],2);return Rh(n,this.cropping[1][0],e.shape[2]-this.cropping[1][1]-this.cropping[1][0],3)}else{let n=Rh(e,this.cropping[0][0],e.shape[2]-this.cropping[0][0]-this.cropping[0][1],3);return Rh(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}};Sy.className="Cropping2D";ae.registerClass(Sy);var Ny=class extends Ge{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,Et(this.dataFormat),this.interpolation=e.interpolation==null?"nearest":e.interpolation,lte(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 L(()=>{let n=_e(e),a=n.shape;if(this.dataFormat==="channelsFirst"){n=Ze(n,[0,2,3,1]);let r=this.size[0]*a[2],s=this.size[1]*a[3],i=this.interpolation==="nearest"?n.resizeNearestNeighbor([r,s]):n.resizeBilinear([r,s]);return Ze(i,[0,3,1,2])}else{let r=this.size[0]*a[1],s=this.size[1]*a[2];return this.interpolation==="nearest"?n.resizeNearestNeighbor([r,s]):n.resizeBilinear([r,s])}})}getConfig(){let e={size:this.size,dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}};Ny.className="UpSampling2D";ae.registerClass(Ny);function jae(e,t,n=[1,1],a="valid",r,s){return L(()=>{r==null&&(r=va()),Et(r);let i=by(e,r);if(e.rank!==4)throw new W(`Input for depthwiseConv2d is required to be 4-D, but is instead ${e.rank}-D`);if(t.rank!==4)throw new W(`depthwiseKernel is required to be 4-D, but is instead ${t.rank}-D`);return i=hl(i,t,n,a==="same"?"same":"valid","NHWC",s),r==="channelsFirst"&&(i=Ze(i,[0,3,1,2])),i})}var Ty=class extends vy{constructor(e){super(2,e);this.depthwiseKernel=null,this.depthMultiplier=e.depthMultiplier==null?1:e.depthMultiplier,this.depthwiseInitializer=At(e.depthwiseInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.depthwiseConstraint=Lt(e.depthwiseConstraint),this.depthwiseRegularizer=yt(e.depthwiseRegularizer)}build(e){if(e=at(e),e.length<4)throw new W(`Inputs to DepthwiseConv2D should have rank 4. Received input shape: ${JSON.stringify(e)}.`);let t=this.dataFormat==="channelsFirst"?1:3;if(e[t]==null||e[t]<0)throw new W(`The channel dimension of the inputs to DepthwiseConv2D should be defined, but is not (${e[t]}).`);let n=e[t],a=[this.kernelSize[0],this.kernelSize[1],n,this.depthMultiplier];this.depthwiseKernel=this.addWeight("depthwise_kernel",a,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 L(()=>{e=_e(e);let n=jae(e,this.depthwiseKernel.read(),this.strides,this.padding,this.dataFormat,null);return this.useBias&&(n=Ia(n,this.bias.read(),this.dataFormat)),this.activation!=null&&(n=this.activation.apply(n)),n})}computeOutputShape(e){e=at(e);let t=this.dataFormat==="channelsFirst"?e[2]:e[1],n=this.dataFormat==="channelsFirst"?e[3]:e[2],a=this.dataFormat==="channelsFirst"?e[1]*this.depthMultiplier:e[3]*this.depthMultiplier,r=Ta(t,this.kernelSize[0],this.padding,this.strides[0]),s=Ta(n,this.kernelSize[1],this.padding,this.strides[1]);return this.dataFormat==="channelsFirst"?[e[0],a,r,s]:[e[0],r,s,a]}getConfig(){let e=super.getConfig();return e.depthMultiplier=this.depthMultiplier,e.depthwiseInitializer=It(this.depthwiseInitializer),e.depthwiseRegularizer=ut(this.depthwiseRegularizer),e.depthwiseConstraint=Pt(this.depthwiseRegularizer),e}};Ty.className="DepthwiseConv2D";ae.registerClass(Ty);function L4(e,t,n,a){if(Array.isArray(e)){if(t!=null||n!=null)throw new W("When inputs is an array, neither initialState or constants should be provided");a!=null&&(n=e.slice(e.length-a,e.length),e=e.slice(0,e.length-a)),e.length>1&&(t=e.slice(1,e.length)),e=e[0]}function r(s){return s==null||Array.isArray(s)?s:[s]}return t=r(t),n=r(n),{inputs:e,initialState:t,constants:n}}function W4(e,t,n,a=!1,r,s,i=!1,o=!1){return L(()=>{let l=t.shape.length;if(l<3)throw new W(`Input should be at least 3D, but is ${l}D.`);let d=[1,0].concat(ka(2,l));if(t=Ze(t,d),s!=null)throw new Oe("The rnn() functoin of the deeplearn.js backend does not support constants yet.");i&&console.warn("Backend rnn(): the unroll = true option is not applicable to the imperative deeplearn.js backend."),r!=null&&(r=r.asType("bool").asType("float32"),r.rank===l-1&&(r=on(r,-1)),r=Ze(r,d)),a&&(t=On(t,0),r!=null&&(r=On(r,0)));let u=[],p,c=n,h=t.shape[0],m=ua(t),f;r!=null&&(f=ua(r));for(let y=0;y<h;++y){let g=m[y],x=L(()=>e(g,c));if(r==null)p=x[0],c=x[1];else{let k=L(()=>{let b=f[y],v=Dn(b).sub(b),I=x[0].mul(b).add(c[0].mul(v)),T=c.map((R,$)=>x[1][$].mul(b).add(R.mul(v)));return{output:I,newStates:T}});p=k.output,c=k.newStates}o&&u.push(p)}let A;return o&&(A=zn(u,1)),[p,A,c]})}var Ha=class extends Ge{constructor(e){super(e);let t;if(e.cell==null)throw new W("cell property is missing for the constructor of RNN.");if(Array.isArray(e.cell)?t=new Qh({cells:e.cell}):t=e.cell,t.stateSize==null)throw new W("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 Mt({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 ka(0,e).map(t=>null)}else return this.states_}setStates(e){this.states_=e}computeOutputShape(e){K1(e)&&(e=e[0]),e=e;let t=this.cell.stateSize;Array.isArray(t)||(t=[t]);let n=t[0],a;if(this.returnSequences?a=[e[0],e[1],n]:a=[e[0],n],this.returnState){let r=[];for(let s of t)r.push([e[0],s]);return[a].concat(r)}else return a}computeMask(e,t){return L(()=>{Array.isArray(t)&&(t=t[0]);let n=this.returnSequences?t:null;if(this.returnState){let a=this.states.map(r=>null);return[n].concat(a)}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 Oe("Constants support is not implemented in RNN yet.");K1(e)&&(e=e[0]),e=e;let n=this.stateful?e[0]:null,a=e.slice(2);this.inputSpec[0]=new Mt({shape:[n,null,...a]});let r=[e[0]].concat(e.slice(2));if(t!=null)throw new Oe("Constants support is not implemented in RNN yet.");this.cell.build(r);let s;if(Array.isArray(this.cell.stateSize)?s=this.cell.stateSize:s=[this.cell.stateSize],this.stateSpec!=null){if(!w.arraysEqual(this.stateSpec.map(i=>i.shape[i.shape.length-1]),s))throw new W(`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=s.map(i=>new Mt({shape:[null,i]}));this.stateful&&this.resetStates()}resetStates(e,t=!1){L(()=>{if(!this.stateful)throw new ur("Cannot call resetStates() on an RNN Layer that is not stateful.");let n=this.inputSpec[0].shape[0];if(n==null)throw new W("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(a=>Ct([n,a])):this.states_=[Ct([n,this.cell.stateSize])];else if(e==null)Ee(this.states_),this.keptStates!=null&&(Ee(this.keptStates),this.keptStates=[]),Array.isArray(this.cell.stateSize)?this.states_=this.cell.stateSize.map(a=>Ct([n,a])):this.states_[0]=Ct([n,this.cell.stateSize]);else{if(Array.isArray(e)||(e=[e]),e.length!==this.states_.length)throw new W(`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()):Ee(this.states_);for(let a=0;a<this.states_.length;++a){let r=e[a],s=Array.isArray(this.cell.stateSize)?this.cell.stateSize[a]:this.cell.stateSize,i=[n,s];if(!w.arraysEqual(r.shape,i))throw new W(`State ${a} is incompatible with layer ${this.name}: expected shape=${i}, received shape=${r.shape}`);this.states_[a]=r}}this.states_=this.states_.map(a=>jt(a.clone()))})}apply(e,t){let n=t==null?null:t.initialState,a=t==null?null:t.constants;t==null&&(t={});let r=L4(e,n,a,this.numConstants);e=r.inputs,n=r.initialState,a=r.constants;let s=[],i=[];if(n!=null){t.initialState=n,s=s.concat(n),this.stateSpec=[];for(let o of n)this.stateSpec.push(new Mt({shape:o.shape}));i=i.concat(this.stateSpec)}if(a!=null&&(t.constants=a,s=s.concat(a),this.numConstants=a.length),s[0]instanceof Sa){let o=[e].concat(s),l=this.inputSpec.concat(i),d=this.inputSpec;this.inputSpec=l;let u=super.apply(o,t);return this.inputSpec=d,u}else return super.apply(e,t)}call(e,t){return L(()=>{let n=t==null?null:t.mask,a=t==null?null:t.training,r=t==null?null:t.initialState;e=_e(e),r==null&&(this.stateful?r=this.states_:r=this.getInitialState(e));let s=Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1;if(r.length!==s)throw new W(`RNN Layer has ${s} state(s) but was passed ${r.length} initial state(s).`);this.unroll&&console.warn("Ignoring unroll = true for RNN layer, due to imperative backend.");let i={training:a},o=W4((c,h)=>{let m=this.cell.call([c].concat(h),i);return[m[0],m.slice(1)]},e,r,this.goBackwards,n,null,this.unroll,this.returnSequences),l=o[0],d=o[1],u=o[2];this.stateful&&this.resetStates(u,a);let p=this.returnSequences?d:l;return this.returnState?[p].concat(u):p})}getInitialState(e){return L(()=>{let t=Ct(e.shape);return t=Te(t,[1,2]),t=Nd(t),Array.isArray(this.cell.stateSize)?this.cell.stateSize.map(n=>n>1?O1(t,[1,n]):t):this.cell.stateSize>1?[O1(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()===Ha.className&&(t.cell={className:this.cell.getClassName(),config:n}),Object.assign({},n,e,t)}static fromConfig(e,t,n={}){let a=t.cell,r=Na(a,n);return new e(Object.assign(t,{cell:r}))}};Ha.className="RNN";ae.registerClass(Ha);var Cd=class extends Ge{},e0=class extends Cd{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,Ht(this.units,"units"),this.activation=Gr(e.activation==null?this.DEFAULT_ACTIVATION:e.activation),this.useBias=e.useBias==null?!0:e.useBias,this.kernelInitializer=At(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.recurrentInitializer=At(e.recurrentInitializer||this.DEFAULT_RECURRENT_INITIALIZER),this.biasInitializer=At(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.kernelRegularizer=yt(e.kernelRegularizer),this.recurrentRegularizer=yt(e.recurrentRegularizer),this.biasRegularizer=yt(e.biasRegularizer),this.kernelConstraint=Lt(e.kernelConstraint),this.recurrentConstraint=Lt(e.recurrentConstraint),this.biasConstraint=Lt(e.biasConstraint),this.dropout=Pl([1,jr([0,e.dropout==null?0:e.dropout])]),this.recurrentDropout=Pl([1,jr([0,e.recurrentDropout==null?0:e.recurrentDropout])]),this.stateSize=this.units,this.dropoutMask=null,this.recurrentDropoutMask=null}build(e){e=at(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 L(()=>{if(e=e,e.length!==2)throw new W(`SimpleRNNCell expects 2 input Tensors, got ${e.length}.`);let n=e[1];e=e[0];let a=t.training==null?!1:t.training;0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=qr({ones:()=>Dn(e),rate:this.dropout,training:a})),0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=qr({ones:()=>Dn(n),rate:this.recurrentDropout,training:a}));let r,s=this.dropoutMask,i=this.recurrentDropoutMask;s!=null?r=Ua(B(e,s),this.kernel.read()):r=Ua(e,this.kernel.read()),this.bias!=null&&(r=Ia(r,this.bias.read())),i!=null&&(n=B(n,i));let o=se(r,Ua(n,this.recurrentKernel.read()));return this.activation!=null&&(o=this.activation.apply(o)),[o,o]})}getConfig(){let e=super.getConfig(),t={units:this.units,activation:Hr(this.activation),useBias:this.useBias,kernelInitializer:It(this.kernelInitializer),recurrentInitializer:It(this.recurrentInitializer),biasInitializer:It(this.biasInitializer),kernelRegularizer:ut(this.kernelRegularizer),recurrentRegularizer:ut(this.recurrentRegularizer),biasRegularizer:ut(this.biasRegularizer),activityRegularizer:ut(this.activityRegularizer),kernelConstraint:Pt(this.kernelConstraint),recurrentConstraint:Pt(this.recurrentConstraint),biasConstraint:Pt(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout};return Object.assign({},e,t)}};e0.className="SimpleRNNCell";ae.registerClass(e0);var Ey=class extends Ha{constructor(e){e.cell=new e0(e),super(e)}call(e,t){return L(()=>{this.cell.dropoutMask!=null&&(Ee(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ee(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null);let n=t==null?null:t.mask,a=t==null?null:t.training,r=t==null?null:t.initialState;return super.call(e,{mask:n,training:a,initialState:r})})}static fromConfig(e,t){return new e(t)}};Ey.className="SimpleRNN";ae.registerClass(Ey);var t0=class extends Cd{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 W("GRUCell does not support reset_after parameter set to true.");this.units=e.units,Ht(this.units,"units"),this.activation=Gr(e.activation===void 0?this.DEFAULT_ACTIVATION:e.activation),this.recurrentActivation=Gr(e.recurrentActivation===void 0?this.DEFAULT_RECURRENT_ACTIVATION:e.recurrentActivation),this.useBias=e.useBias==null?!0:e.useBias,this.kernelInitializer=At(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.recurrentInitializer=At(e.recurrentInitializer||this.DEFAULT_RECURRENT_INITIALIZER),this.biasInitializer=At(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.kernelRegularizer=yt(e.kernelRegularizer),this.recurrentRegularizer=yt(e.recurrentRegularizer),this.biasRegularizer=yt(e.biasRegularizer),this.kernelConstraint=Lt(e.kernelConstraint),this.recurrentConstraint=Lt(e.recurrentConstraint),this.biasConstraint=Lt(e.biasConstraint),this.dropout=Pl([1,jr([0,e.dropout==null?0:e.dropout])]),this.recurrentDropout=Pl([1,jr([0,e.recurrentDropout==null?0:e.recurrentDropout])]),this.implementation=e.implementation,this.stateSize=this.units,this.dropoutMask=null,this.recurrentDropoutMask=null}build(e){e=at(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 L(()=>{if(e=e,e.length!==2)throw new W(`GRUCell expects 2 input Tensors (inputs, h, c), got ${e.length}.`);let n=t.training==null?!1:t.training,a=e[1];e=e[0],0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=qr({ones:()=>Dn(e),rate:this.dropout,training:n,count:3})),0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=qr({ones:()=>Dn(a),rate:this.recurrentDropout,training:n,count:3}));let r=this.dropoutMask,s=this.recurrentDropoutMask,i,o,l;0<this.dropout&&this.dropout<1&&(e=B(e,r[0]));let d=Ua(e,this.kernel.read());this.useBias&&(d=Ia(d,this.bias.read())),0<this.recurrentDropout&&this.recurrentDropout<1&&(a=B(a,s[0]));let u=this.recurrentKernel.read(),[p,c]=ln(u,[2*this.units,this.units],u.rank-1),h=Ua(a,p),[m,f,A]=ln(d,3,d.rank-1),[y,g]=ln(h,2,h.rank-1);i=this.recurrentActivation.apply(se(m,y)),o=this.recurrentActivation.apply(se(f,g));let x=Ua(B(o,a),c);l=this.activation.apply(se(A,x));let k=se(B(i,a),B(se(1,wt(i)),l));return[k,k]})}getConfig(){let e=super.getConfig(),t={units:this.units,activation:Hr(this.activation),recurrentActivation:Hr(this.recurrentActivation),useBias:this.useBias,kernelInitializer:It(this.kernelInitializer),recurrentInitializer:It(this.recurrentInitializer),biasInitializer:It(this.biasInitializer),kernelRegularizer:ut(this.kernelRegularizer),recurrentRegularizer:ut(this.recurrentRegularizer),biasRegularizer:ut(this.biasRegularizer),activityRegularizer:ut(this.activityRegularizer),kernelConstraint:Pt(this.kernelConstraint),recurrentConstraint:Pt(this.recurrentConstraint),biasConstraint:Pt(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation,resetAfter:!1};return Object.assign({},e,t)}};t0.className="GRUCell";ae.registerClass(t0);var Cy=class extends Ha{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 t0(e),super(e)}call(e,t){return L(()=>{this.cell.dropoutMask!=null&&(Ee(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ee(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null);let n=t==null?null:t.mask,a=t==null?null:t.training,r=t==null?null:t.initialState;return super.call(e,{mask:n,training:a,initialState:r})})}static fromConfig(e,t){return t.implmentation===0&&(t.implementation=1),new e(t)}};Cy.className="GRU";ae.registerClass(Cy);var Pd=class extends Cd{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,Ht(this.units,"units"),this.activation=Gr(e.activation===void 0?this.DEFAULT_ACTIVATION:e.activation),this.recurrentActivation=Gr(e.recurrentActivation===void 0?this.DEFAULT_RECURRENT_ACTIVATION:e.recurrentActivation),this.useBias=e.useBias==null?!0:e.useBias,this.kernelInitializer=At(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.recurrentInitializer=At(e.recurrentInitializer||this.DEFAULT_RECURRENT_INITIALIZER),this.biasInitializer=At(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.unitForgetBias=e.unitForgetBias,this.kernelRegularizer=yt(e.kernelRegularizer),this.recurrentRegularizer=yt(e.recurrentRegularizer),this.biasRegularizer=yt(e.biasRegularizer),this.kernelConstraint=Lt(e.kernelConstraint),this.recurrentConstraint=Lt(e.recurrentConstraint),this.biasConstraint=Lt(e.biasConstraint),this.dropout=Pl([1,jr([0,e.dropout==null?0:e.dropout])]),this.recurrentDropout=Pl([1,jr([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=at(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 a;if(this.useBias){if(this.unitForgetBias){let r=this.biasInitializer,s=this.units;a=new(t=class extends pa{apply(i,o){let l=r.apply([s]),d=new Fh().apply([s]),u=r.apply([s*2]);return Mw(Mw(l,d),u)}},t.className="CustomInit",t)}else a=this.biasInitializer;this.bias=this.addWeight("bias",[this.units*4],null,a,this.biasRegularizer,!0,this.biasConstraint)}else this.bias=null;this.built=!0}call(e,t){return L(()=>{let n=t.training==null?!1:t.training;if(e=e,e.length!==3)throw new W(`LSTMCell expects 3 input Tensors (inputs, h, c), got ${e.length}.`);let a=e[1],r=e[2];e=e[0],0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=qr({ones:()=>Dn(e),rate:this.dropout,training:n,count:4})),0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=qr({ones:()=>Dn(a),rate:this.recurrentDropout,training:n,count:4}));let s=this.dropoutMask,i=this.recurrentDropoutMask,o,l,d,u;0<this.dropout&&this.dropout<1&&(e=B(e,s[0]));let p=Ua(e,this.kernel.read());0<this.recurrentDropout&&this.recurrentDropout<1&&(a=B(a,i[0])),p=se(p,Ua(a,this.recurrentKernel.read())),this.useBias&&(p=Ia(p,this.bias.read()));let[c,h,m,f]=ln(p,4,p.rank-1);o=this.recurrentActivation.apply(c),l=this.recurrentActivation.apply(h),d=se(B(l,r),B(o,this.activation.apply(m))),u=this.recurrentActivation.apply(f);let A=B(u,this.activation.apply(d));return[A,A,d]})}getConfig(){let e=super.getConfig(),t={units:this.units,activation:Hr(this.activation),recurrentActivation:Hr(this.recurrentActivation),useBias:this.useBias,kernelInitializer:It(this.kernelInitializer),recurrentInitializer:It(this.recurrentInitializer),biasInitializer:It(this.biasInitializer),unitForgetBias:this.unitForgetBias,kernelRegularizer:ut(this.kernelRegularizer),recurrentRegularizer:ut(this.recurrentRegularizer),biasRegularizer:ut(this.biasRegularizer),activityRegularizer:ut(this.activityRegularizer),kernelConstraint:Pt(this.kernelConstraint),recurrentConstraint:Pt(this.recurrentConstraint),biasConstraint:Pt(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation};return Object.assign({},e,t)}};Pd.className="LSTMCell";ae.registerClass(Pd);var Ry=class extends Ha{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 Pd(e),super(e)}call(e,t){return L(()=>{this.cell.dropoutMask!=null&&(Ee(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ee(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null);let n=t==null?null:t.mask,a=t==null?null:t.training,r=t==null?null:t.initialState;return super.call(e,{mask:n,training:a,initialState:r})})}static fromConfig(e,t){return t.implmentation===0&&(t.implementation=1),new e(t)}};Ry.className="LSTM";ae.registerClass(Ry);var Qh=class extends Cd{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 L(()=>{e=e;let n=e.slice(1),a=[];for(let i of this.cells.slice().reverse())Array.isArray(i.stateSize)?a.push(n.splice(0,i.stateSize.length)):a.push(n.splice(0,1));a.reverse();let r=[],s;for(let i=0;i<this.cells.length;++i){let o=this.cells[i];n=a[i],i===0?s=[e[0]].concat(n):s=[s[0]].concat(n),s=o.call(s,t),r.push(s.slice(1))}n=[];for(let i of r.slice().reverse())n.push(...i);return[s[0]].concat(n)})}build(e){K1(e)&&(e=e[0]),e=e;let t;this.cells.forEach((n,a)=>{Ri(`RNNCell_${a}`,()=>{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=a=>({className:a.getClassName(),config:a.getConfig()}),n={cells:this.cells.map(t)};return Object.assign({},e,n)}static fromConfig(e,t,n={}){let a=[];for(let r of t.cells)a.push(Na(r,n));return new e({cells:a})}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 Z1(e)}setWeights(e){let t=[];for(let n of this.cells){let a=n.weights.length,r=e.splice(a);for(let s=0;s<n.weights.length;++s)t.push([n.weights[s],r[s]])}Y1(t)}};Qh.className="StackedRNNCells";ae.registerClass(Qh);function qr(e){let{ones:t,rate:n,training:a=!1,count:r=1}=e,s=()=>$w(t(),n),i=()=>Ed(s,t,a);return!r||r<=1?jt(i().clone()):Array(r).fill(void 0).map(i).map(o=>jt(o.clone()))}var Uae=function(e,t){var n={};for(var a in e)Object.prototype.hasOwnProperty.call(e,a)&&t.indexOf(a)<0&&(n[a]=e[a]);if(e!=null&&typeof Object.getOwnPropertySymbols=="function")for(var r=0,a=Object.getOwnPropertySymbols(e);r<a.length;r++)t.indexOf(a[r])<0&&Object.prototype.propertyIsEnumerable.call(e,a[r])&&(n[a[r]]=e[a[r]]);return n},B4=class extends Ha{constructor(e){if(e.unroll)throw new Oe("Unrolling is not possible with convolutional RNNs.");if(Array.isArray(e.cell))throw new Oe("It is not possible at the moment to stack convolutional cells.");super(e);this.inputSpec=[new Mt({ndim:5})]}call(e,t){return L(()=>{if(this.cell.dropoutMask!=null&&(Ee(this.cell.dropoutMask),this.cell.dropoutMask=null),this.cell.recurrentDropoutMask!=null&&(Ee(this.cell.recurrentDropoutMask),this.cell.recurrentDropoutMask=null),t&&t.constants)throw new W("ConvRNN2D cell does not support constants");let n=t==null?null:t.mask,a=t==null?null:t.training,r=t==null?null:t.initialState;return super.call(e,{mask:n,training:a,initialState:r})})}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 L(()=>{let{stateSize:t}=this.cell,n=e.shape,a=this.computeSingleOutputShape(n),r=[a[0],...a.slice(2)],s=Ct(r);return Array.isArray(t)?Array(t.length).fill(s):[s]})}resetStates(e,t=!1){L(()=>{if(!this.stateful)throw new ur("Cannot call resetStates() on an RNN Layer that is not stateful.");let n=this.inputSpec[0].shape,a=this.computeSingleOutputShape(n),r=[a[0],...a.slice(2)];if(n[0]==null)throw new W("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(()=>Ct(r)):this.states_=[Ct(r)];else if(e==null)Ee(this.states_),this.keptStates!=null&&(Ee(this.keptStates),this.keptStates=[]),Array.isArray(this.cell.stateSize)?this.states_=this.cell.stateSize.map(()=>Ct(r)):this.states_[0]=Ct(r);else{if(Array.isArray(e)||(e=[e]),e.length!==this.states_.length)throw new W(`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()):Ee(this.states_);for(let s=0;s<this.states_.length;++s){let i=e[s],o=r;if(!w.arraysEqual(i.shape,o))throw new W(`State ${s} is incompatible with layer ${this.name}: expected shape=${o}, received shape=${i.shape}`);this.states_[s]=i}}this.states_=this.states_.map(s=>jt(s.clone()))})}computeSingleOutputShape(e){let{dataFormat:t,filters:n,kernelSize:a,padding:r,strides:s,dilationRate:i}=this.cell,o=t==="channelsFirst",l=e[o?3:2],d=e[o?4:3],u=Ta(l,a[0],r,s[0],i[0]),p=Ta(d,a[1],r,s[1],i[1]);return[...e.slice(0,2),...o?[n,u,p]:[u,p,n]]}};B4.className="ConvRNN2D";var n0=class extends Pd{constructor(e){let{filters:t,kernelSize:n,strides:a,padding:r,dataFormat:s,dilationRate:i}=e;super(Object.assign({},e,{units:t}));this.filters=t,Ht(this.filters,"filters"),this.kernelSize=jl(n,2,"kernelSize"),this.kernelSize.forEach(o=>Ht(o,"kernelSize")),this.strides=jl(a||1,2,"strides"),this.strides.forEach(o=>Ht(o,"strides")),this.padding=r||"valid",Qn(this.padding),this.dataFormat=s||"channelsLast",Et(this.dataFormat),this.dilationRate=jl(i||1,2,"dilationRate"),this.dilationRate.forEach(o=>Ht(o,"dilationRate"))}build(e){var t;e=at(e);let n=this.dataFormat==="channelsFirst"?1:e.length-1;if(e[n]==null)throw new W(`The channel dimension of the input should be defined. Found ${e[n]}`);let a=e[n],r=4,s=this.kernelSize.concat([a,this.filters*r]);this.kernel=this.addWeight("kernel",s,null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint);let i=this.kernelSize.concat([this.filters,this.filters*r]);if(this.recurrentKernel=this.addWeight("recurrent_kernel",i,null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias){let o;if(this.unitForgetBias){let l=this.biasInitializer,d=this.filters;o=new(t=class extends pa{apply(u,p){let c=l.apply([d]),h=$n([d]),m=l.apply([d*2]);return _1([c,h,m])}},t.className="CustomInit",t)}else o=this.biasInitializer;this.bias=this.addWeight("bias",[this.filters*r],null,o,this.biasRegularizer,!0,this.biasConstraint)}this.built=!0}call(e,t){return L(()=>{if(e.length!==3)throw new W(`ConvLSTM2DCell expects 3 input Tensors (inputs, h, c), got ${e.length}.`);let n=t.training||!1,a=e[0],r=e[1],s=e[2],i=4;0<this.dropout&&this.dropout<1&&this.dropoutMask==null&&(this.dropoutMask=qr({ones:()=>Dn(a),rate:this.dropout,training:n,count:i}));let o=this.dropoutMask,l=(Y,re,te)=>!re||!re[te]?Y:B(re[te],Y),d=l(a,o,0),u=l(a,o,1),p=l(a,o,2),c=l(a,o,3);0<this.recurrentDropout&&this.recurrentDropout<1&&this.recurrentDropoutMask==null&&(this.recurrentDropoutMask=qr({ones:()=>Dn(r),rate:this.recurrentDropout,training:n,count:i}));let h=this.recurrentDropoutMask,m=l(r,h,0),f=l(r,h,1),A=l(r,h,2),y=l(r,h,3),g=3,[x,k,b,v]=ln(this.kernel.read(),i,g),[I,T,R,$]=this.useBias?ln(this.bias.read(),i):[null,null,null,null];d=this.inputConv(d,x,I,this.padding),u=this.inputConv(u,k,T,this.padding),p=this.inputConv(p,b,R,this.padding),c=this.inputConv(c,v,$,this.padding);let[z,_,V,j]=ln(this.recurrentKernel.read(),i,g);m=this.recurrentConv(m,z),f=this.recurrentConv(f,_),A=this.recurrentConv(A,V),y=this.recurrentConv(y,j);let U=this.recurrentActivation.apply(se(d,m)),X=this.recurrentActivation.apply(se(u,f)),G=se(B(X,s),B(U,this.activation.apply(se(p,A)))),ee=B(this.recurrentActivation.apply(se(c,y)),this.activation.apply(G));return[ee,ee,G]})}getConfig(){let e=super.getConfig(),{units:t}=e,n=Uae(e,["units"]),a={filters:this.filters,kernelSize:this.kernelSize,padding:this.padding,dataFormat:this.dataFormat,dilationRate:this.dilationRate,strides:this.strides};return Object.assign({},n,a)}inputConv(e,t,n,a){let r=ar(e,t,this.strides,a||"valid",this.dataFormat==="channelsFirst"?"NCHW":"NHWC",this.dilationRate);return n?Ia(r,n,this.dataFormat):r}recurrentConv(e,t){return ar(e,t,1,"same",this.dataFormat==="channelsFirst"?"NCHW":"NHWC")}};n0.className="ConvLSTM2DCell";ae.registerClass(n0);var My=class extends B4{constructor(e){let t=new n0(e);super(Object.assign({},e,{cell:t}))}static fromConfig(e,t){return new e(t)}};My.className="ConvLSTM2D";ae.registerClass(My);var a0=class extends Ge{constructor(e){super(e);this.rate=Math.max(Math.min(e.rate,1),0),this.noiseShape=e.noiseShape,this.seed=e.seed,this.supportsMasking=!0}getNoiseShape(e){if(this.noiseShape==null)return this.noiseShape;let t=e.shape,n=[];for(let a=0;a<this.noiseShape.length;++a)n.push(this.noiseShape[a]==null?t[a]:this.noiseShape[a]);return n}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e);if(0<this.rate&&this.rate<1){let a=t.training==null?!1:t.training,r=this.getNoiseShape(n);return Ed(()=>$w(n,this.rate,r,this.seed),()=>n,a)}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()}};a0.className="Dropout";ae.registerClass(a0);var Fy=class extends a0{constructor(e){super(e);this.inputSpec=[{ndim:3}]}getNoiseShape(e){let t=e.shape;return[t[0],1,t[2]]}};Fy.className="SpatialDropout1D";ae.registerClass(Fy);var $y=class extends Ge{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,Ht(this.units,"units"),this.activation=Gr(e.activation),e.useBias!=null&&(this.useBias=e.useBias),this.kernelInitializer=At(e.kernelInitializer||this.DEFAULT_KERNEL_INITIALIZER),this.biasInitializer=At(e.biasInitializer||this.DEFAULT_BIAS_INITIALIZER),this.kernelConstraint=Lt(e.kernelConstraint),this.biasConstraint=Lt(e.biasConstraint),this.kernelRegularizer=yt(e.kernelRegularizer),this.biasRegularizer=yt(e.biasRegularizer),this.activityRegularizer=yt(e.activityRegularizer),this.supportsMasking=!0,this.inputSpec=[{minNDim:2}]}build(e){e=at(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=at(e);let t=e.slice();return t[t.length-1]=this.units,t}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e),a=vw(this.activation.getClassName()),r;return a!=null?r=Ua(n,this.kernel.read(),a,this.bias?this.bias.read():null):(r=Ua(n,this.kernel.read()),this.bias!=null&&(r=Ia(r,this.bias.read())),this.activation!=null&&(r=this.activation.apply(r))),r})}getConfig(){let e={units:this.units,activation:Hr(this.activation),useBias:this.useBias,kernelInitializer:It(this.kernelInitializer),biasInitializer:It(this.biasInitializer),kernelRegularizer:ut(this.kernelRegularizer),biasRegularizer:ut(this.biasRegularizer),activityRegularizer:ut(this.activityRegularizer),kernelConstraint:Pt(this.kernelConstraint),biasConstraint:Pt(this.biasConstraint)},t=super.getConfig();return Object.assign(e,t),e}};$y.className="Dense";ae.registerClass($y);var Dy=class extends Ge{constructor(e){e=e||{},super(e),this.inputSpec=[{minNDim:3}],this.dataFormat=e.dataFormat}computeOutputShape(e){e=at(e);for(let t of e.slice(1))if(t==null)throw new W(`The shape of the input to "Flatten" is not fully defined (got ${e.slice(1)}). Make sure to pass a complete "input_shape" or "batch_input_shape" argument to the first layer in your model.`);return[e[0],Vr(e,1)]}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e);if(this.dataFormat==="channelsFirst"&&n.rank>1){let a=[0];for(let r=2;r<n.rank;++r)a.push(r);a.push(1),n=n.transpose(a)}return fte(n)})}getConfig(){let e={};this.dataFormat!=null&&(e.dataFormat=this.dataFormat);let t=super.getConfig();return Object.assign(e,t),e}};Dy.className="Flatten";ae.registerClass(Dy);var Oy=class extends Ge{constructor(e){super(e);this.supportsMasking=!0,this.activation=Gr(e.activation)}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e);return this.activation.apply(n)})}getConfig(){let e={activation:Hr(this.activation)},t=super.getConfig();return Object.assign(e,t),e}};Oy.className="Activation";ae.registerClass(Oy);var zy=class extends Ge{constructor(e){super(e);this.n=e.n,this.inputSpec=[{ndim:2}]}computeOutputShape(e){return[e[0],this.n,e[1]]}call(e,t){return L(()=>(e=_e(e),cte(e,this.n)))}getConfig(){let e={n:this.n},t=super.getConfig();return Object.assign(e,t),e}};zy.className="RepeatVector";ae.registerClass(zy);var _y=class extends Ge{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.",a=t.slice(),r=1,s=null;for(let o=0;o<a.length;++o){let l=a[o];if(this.isUnknown(l))if(s===null)s=o;else throw new W("Can only specifiy one unknown dimension.");else r*=l}let i=Vr(e);if(s!==null){if(r===0||i%r!=0)throw new W(n);a[s]=i/r}else if(i!==r)throw new W(n);return a}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 L(()=>{this.invokeCallHook(e,t);let n=_e(e),a=n.shape,r=a.slice(0,1).concat(this.fixUnknownDimension(a.slice(1),this.targetShape));return n.reshape(r)})}getConfig(){let e={targetShape:this.targetShape},t=super.getConfig();return Object.assign(e,t),e}};_y.className="Reshape";ae.registerClass(_y);var Py=class extends Ge{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=ka(1,e.dims.length+1);if(!w.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 Mt({ndim:this.dims.length+1})]}computeOutputShape(e){e=at(e);let t=e.slice();return this.dims.forEach((n,a)=>{t[a+1]=e[n]}),t}call(e,t){return Ze(_e(e),this.dimsIncludingBatch)}getConfig(){let e={dims:this.dims},t=super.getConfig();return Object.assign(e,t),e}};Py.className="Permute";ae.registerClass(Py);var Ly=class extends Ge{constructor(e){super(e==null?{}:e);this.supportsMasking=!0,e!=null?this.maskValue=e.maskValue==null?0:e.maskValue:this.maskValue=0}computeOutputShape(e){return e}getConfig(){let e=super.getConfig(),t={maskValue:this.maskValue};return Object.assign(t,e),t}computeMask(e,t){let n=_e(e),a=-1;return Wu(Ai(n,this.maskValue),a)}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e),a=-1,r=!0,s=Wu(Ai(n,this.maskValue),a,r);return n.mul(s.asType(n.dtype))})}};Ly.className="Masking";ae.registerClass(Ly);var Wy=class extends Ge{constructor(e){super(e);if(this.embeddings=null,this.DEFAULT_EMBEDDINGS_INITIALIZER="randomUniform",e.batchInputShape==null&&e.inputShape==null){let t=null;e.batchSize!=null&&(t=e.batchSize),e.inputLength==null?this.batchInputShape=[t,null]:this.batchInputShape=[t].concat(ft(e.inputLength))}this.inputDim=e.inputDim,Ht(this.inputDim,"inputDim"),this.outputDim=e.outputDim,Ht(this.outputDim,"outputDim"),this.embeddingsInitializer=At(e.embeddingsInitializer||this.DEFAULT_EMBEDDINGS_INITIALIZER),this.embeddingsRegularizer=yt(e.embeddingsRegularizer),this.activityRegularizer=yt(e.activityRegularizer),this.embeddingsConstraint=Lt(e.embeddingsConstraint),this.maskZero=e.maskZero,this.supportsMasking=e.maskZero,this.inputLength=e.inputLength}build(e){this.embeddings=this.addWeight("embeddings",[this.inputDim,this.outputDim],this.dtype,this.embeddingsInitializer,this.embeddingsRegularizer,!0,this.embeddingsConstraint),this.built=!0}warnOnIncompatibleInputShape(e){}computeMask(e,t){return L(()=>this.maskZero?(e=_e(e),Ai(e,Ue(e))):null)}computeOutputShape(e){if(e=at(e),this.inputLength==null)return[...e,this.outputDim];let t=ft(this.inputLength);if(t.length!==e.length-1)throw new W(`"inputLength" is ${this.inputLength}, but received input shape has shape ${e}`);{let n=0;for(let a=0;a<t.length;++a){let r=t[a],s=e[a+1];if(r!=null&&s!=null&&r!==s)throw new W(`"inputLength" is ${this.inputLength}, but received input shape has shape ${e}`);r==null&&(t[n]=s),n++}}return[e[0],...t,this.outputDim]}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e);return n.dtype!=="int32"&&(n=Sd(n,"int32")),Fw(this.embeddings.read(),n.as1D()).reshape(at(this.computeOutputShape(n.shape)))})}getConfig(){let e={inputDim:this.inputDim,outputDim:this.outputDim,embeddingsInitializer:It(this.embeddingsInitializer),embeddingsRegularizer:ut(this.embeddingsRegularizer),activityRegularizer:ut(this.activityRegularizer),embeddingsConstraint:Pt(this.embeddingsConstraint),maskZero:this.maskZero,inputLength:this.inputLength},t=super.getConfig();return Object.assign(e,t),e}};Wy.className="Embedding";ae.registerClass(Wy);var Oi=class extends Ge{constructor(e){super(e||{});this.supportsMasking=!0}mergeFunction(e){throw new Oe}computeElementwiseOpOutputShape(e,t){if(e==null||t==null)return null;if(e.length<t.length)return this.computeElementwiseOpOutputShape(t,e);if(t.length===0)return e;let n=e.slice(0,e.length-t.length);for(let a=0;a<t.length;++a){let r=e[e.length-t.length+a],s=t[a];if(r==null||s==null||r<0||s<0)n.push(null);else if(r===1)n.push(s);else if(s===1)n.push(r);else{if(r!==s)throw new W("Operands could not be broadcast together with shapes "+JSON.stringify(e)+" "+JSON.stringify(t));n.push(r)}}return n}build(e){if(Array.isArray(e)&&!Array.isArray(e[0])&&(e=[at(e)]),e=e,e.length<2)throw new W(`A merge layer should be called on an Array of at least 2 inputs. Got ${e.length} input(s).`);let t=[];for(let r of e)r!=null&&r[0]!==null&&t.push(r[0]);if(t=Br(t),t.length>1)throw new W(`Can not merge tensors with different batch sizes. 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Got input shapes: "+JSON.stringify(e))}mergeFunction(e){return L(()=>_1(e,this.axis))}computeOutputShape(e){if(!(Array.isArray(e)&&Array.isArray(e[0])))throw new W("A `Concatenate` layer should be called on a list of inputs.");let t=e,n=t[0].slice(),a=this.axis<0?n.length+this.axis:this.axis;for(let r of t.slice(1)){if(n[a]==null||r[a]==null){n[a]=null;break}n[a]+=r[a]}return n}computeMask(e,t){if(t==null)return null;if(!Array.isArray(t))throw new W("`mask` should be an array for Concatenate");if(!Array.isArray(e))throw new W("`inputs` should be an array for Concatenate");if(t.length!==e.length)throw new W(`Mismatch in the length of mask (${t.length}) and the legnth of inputs (${e.length})`);return L(()=>{let n=!0;if(t.forEach(s=>{if(s!=null){n=!1;return}}),n)return null;let a=[];for(let s=0;s<e.length;++s)t[s]==null?a.push(Dn(e[s]).asType("bool")):t[s].rank<e[s].rank?a.push(on(t[s],-1)):a.push(t[s]);let r=ot(a,this.axis);return Ac(r,-1,!1)})}getConfig(){let e={axis:this.axis},t=super.getConfig();return Object.assign(e,t),e}};Gy.className="Concatenate";ae.registerClass(Gy);function Ld(e,t){for(;e<0;)e+=t;return e}function Hae(e,t,n){if(e.shape.length>3||t.shape.length>3)throw new Oe("batchDot is not implemented for tensors of 4D or higher rank yet");if(w.assert(e.shape.length>=2,()=>`batchDot requires the rank of x to be >= 2, but got ${e.shape.length}`),w.assert(e.shape.length>=2,()=>`batchDot requires the rank of y to be >= 2, but got ${t.shape.length}`),typeof n=="number"&&(n=[n,n]),e.dtype==="complex64"||t.dtype==="complex64")throw new Oe("batchDot is not implemented for complex64-type Tensors yet.");let a=e.shape.length,r=t.shape.length;n==null&&(n=[a-1,r-2]);let s=n;return L(()=>{let i;if(a>r){i=a-r;let l=[];for(let d=0;d<i;++d)l.push(1);t=t.reshape(t.shape.concat(l))}else if(r>a){i=r-a;let l=[];for(let d=0;d<i;++d)l.push(1);e=e.reshape(e.shape.concat(l))}else i=0;let o;if(e.shape.length===2&&t.shape.length===2)s[0]===s[1]?o=e.mul(t).sum(s[0]):o=e.transpose([1,0]).mul(t).sum(s[1]);else{let l=s[0]!==e.shape.length-1,d=s[1]===t.shape.length-1;o=e.matMul(t,l,d)}if(i>0){let l;a>r?l=a+r-3:l=a-1;let d=[];for(let u=l;u<l+i;++u)d.push(u);o=o.squeeze(d)}return o.shape.length===1&&(o=o.expandDims(1)),o})}var qy=class extends Oi{constructor(e){super(e);this.axes=e.axes,this.normalize=e.normalize==null?!1:e.normalize,this.supportsMasking=!0,this.reshapeRequired=!1}build(e){w.assert(Array.isArray(e)&&e.length===2&&Array.isArray(e[0])&&Array.isArray(e[1]),()=>"A `Dot` layer should be called on a list of exactly 2 inputs.");let t=e[0],n=e[1];if(t.length>3||n.length>3)throw new Oe("Dot layer does not support tensors of 4D or higher rank yet.");let a=this.interpretAxes(t,n);if(t[a[0]]!==n[a[1]])throw new W(`Dimension incompatibility: ${t[a[0]]} !== ${n[a[1]]}`)}mergeFunction(e){if(e.length!==2)throw new W(`A \`Dot\` layer must be called on exactly 2 inputs, but received ${e.length} input(s).`);let t=e[0],n=e[1],a;return Array.isArray(this.axes)?a=this.axes.map((r,s)=>Ld(r,e[s].shape.length)):a=[Ld(this.axes,t.shape.length),Ld(this.axes,n.shape.length)],this.normalize&&(t=Uh(t,a[0]),n=Uh(n,a[1])),Hae(t,n,a)}interpretAxes(e,t){let n;return Array.isArray(this.axes)?n=this.axes:n=[Ld(this.axes,e.length),Ld(this.axes,t.length)],n}computeOutputShape(e){w.assert(Array.isArray(e)&&e.length===2&&Array.isArray(e[0])&&Array.isArray(e[1]),()=>"A `Dot` layer should be called on a list of exactly 2 inputs.");let t=e[0].slice(),n=e[1].slice();if(t.length>3||n.length>3)throw new Oe("Dot layer does not support tensors of 4D or higher rank yet.");let a=this.interpretAxes(t,n);t.splice(a[0],1),n.splice(a[1],1),n.splice(0,1);let r=t.concat(n);return r.length===1&&r.push(1),r}computeMask(e,t){return null}getConfig(){let e={axes:this.axes,normalize:this.normalize},t=super.getConfig();return Object.assign(e,t),e}};qy.className="Dot";ae.registerClass(qy);var Xy=class extends Ge{constructor(e){super(e);this.supportsMasking=!0,this.stddev=e.stddev}computeOutputShape(e){return e}getConfig(){let e=super.getConfig(),t={stddev:this.stddev};return Object.assign(t,e),t}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e);return Ed(()=>Mh(n.shape,0,this.stddev).add(n),()=>n,t.training||!1)})}};Xy.className="GaussianNoise";ae.registerClass(Xy);var Ky=class extends Ge{constructor(e){super(e);this.supportsMasking=!0,this.rate=e.rate}computeOutputShape(e){return e}getConfig(){let e=super.getConfig(),t={rate:this.rate};return Object.assign(t,e),t}call(e,t){return L(()=>{this.invokeCallHook(e,t);let n=_e(e);return this.rate>0&&this.rate<1?Ed(()=>{let a=Math.sqrt(this.rate/(1-this.rate));return n.mul(Mh(n.shape,1,a))},()=>n,t.training||!1):n})}};Ky.className="GaussianDropout";ae.registerClass(Ky);var Zy=class extends Ge{constructor(e){super(e);this.supportsMasking=!0,this.rate=e.rate,this.noiseShape=e.noiseShape}_getNoiseShape(e){return this.noiseShape||_e(e).shape}computeOutputShape(e){return e}getConfig(){let e=super.getConfig(),t={rate:this.rate};return Object.assign(t,e),t}call(e,t){return L(()=>{if(this.rate<1&&this.rate>0){let n=this._getNoiseShape(e);return Ed(()=>{let a=_e(e),r=1.6732632423543772,s=1.0507009873554805,i=-r*s,o=Dr(gl(n),this.rate);o=Sd(o,"float32");let l=((1-this.rate)*(1+this.rate*i**2))**-.5,d=-l*i*this.rate;return a.mul(o).add(o.add(-1).mul(i)).mul(l).add(d)},()=>_e(e),t.training||!1)}return e})}};Zy.className="AlphaDropout";ae.registerClass(Zy);function Wd(e,t,n,a,r,s=.001){let i;if(e.rank===2)i=Ib(e,t,n,a,r,s);else if(e.rank===3)i=Sb(e,t,n,a,r,s);else if(e.rank===4)i=Nb(e,t,n,a,r,s);else throw new Oe(`batchNormalization is not implemented for array of rank ${e.rank} yet`);return i}function Gae(e,t,n,a,r=.001){return L(()=>{let s=Ec(e,a),i=s.mean,o=s.variance;return[Wd(e,i,o,n,t,r),i,o]})}function qae(e,t,n,a,r=.001){return L(()=>{let s=Ec(e,a),i=s.mean,o=s.variance,l=[];for(let h of 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Ge{constructor(e){e==null&&(e={}),super(e),this.supportsMasking=!0,this.axis=e.axis==null?-1:e.axis,this.momentum=e.momentum==null?.99:e.momentum,this.epsilon=e.epsilon==null?.001:e.epsilon,this.center=e.center==null?!0:e.center,this.scale=e.scale==null?!0:e.scale,this.betaInitializer=At(e.betaInitializer||"zeros"),this.gammaInitializer=At(e.gammaInitializer||"ones"),this.movingMeanInitializer=At(e.movingMeanInitializer||"zeros"),this.movingVarianceInitializer=At(e.movingVarianceInitializer||"ones"),this.betaConstraint=Lt(e.betaConstraint),this.gammaConstraint=Lt(e.gammaConstraint),this.betaRegularizer=yt(e.betaRegularizer),this.gammaRegularizer=yt(e.gammaRegularizer)}build(e){e=at(e);let t=this.axis>=0?this.axis:this.axis+e.length,n=e[t];if(n==null)throw new W(`Axis ${t} of input tensor should have a defined dimension but the layer received an input with shape ${JSON.stringify(e)}.`);this.inputSpec=[new Mt({ndim:e.length,axes:{[t]:n}})];let a=[n];this.scale&&(this.gamma=this.addWeight("gamma",a,null,this.gammaInitializer,this.gammaRegularizer,!0,this.gammaConstraint)),this.center&&(this.beta=this.addWeight("beta",a,null,this.betaInitializer,this.betaRegularizer,!0,this.betaConstraint)),this.movingMean=this.addWeight("moving_mean",a,null,this.movingMeanInitializer,null,!1),this.movingVariance=this.addWeight("moving_variance",a,null,this.movingVarianceInitializer,null,!1),this.built=!0}call(e,t){return L(()=>{let n=t.training==null?!1:t.training,a=_e(e),r=a.shape,s=r.length,i=ka(0,s),o=this.axis>=0?this.axis:this.axis+s;i.splice(o,1);let l=Ti(1,s);l[o]=r[o];let d=i.slice();d.sort();let u=!w.arraysEqual(d,ka(0,s).slice(0,s-1)),p=()=>{if(u){let A=this.movingMean.read().reshape(l),y=this.movingVariance.read().reshape(l),g=this.center?this.beta.read().reshape(l):null,x=this.scale?this.gamma.read().reshape(l):null;return Wd(a,A,y,g,x,this.epsilon)}else return Wd(a,this.movingMean.read(),this.movingVariance.read(),this.beta==null?null:this.beta.read(),this.gamma==null?null:this.gamma.read(),this.epsilon)};if(!n)return p();let[c,h,m]=Xae(a,this.gamma.read(),this.beta.read(),i,this.epsilon),f=(A,y,g)=>{L(()=>{let x=1-g,k=A.read(),b=k.sub(y).mul(x);A.write(k.sub(b))})};return(()=>{f(this.movingMean,h,this.momentum),f(this.movingVariance,m,this.momentum)})(),c})}getConfig(){let e={axis:this.axis,momentum:this.momentum,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:It(this.betaInitializer),gammaInitializer:It(this.gammaInitializer),movingMeanInitializer:It(this.movingMeanInitializer),movingVarianceInitializer:It(this.movingVarianceInitializer),betaRegularizer:ut(this.betaRegularizer),gammaRegularizer:ut(this.gammaRegularizer),betaConstraint:Pt(this.betaConstraint),gammaConstraint:Pt(this.gammaConstraint)},t=super.getConfig();return Object.assign(e,t),e}};Yy.className="BatchNormalization";ae.registerClass(Yy);var Jy=class extends Ge{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 new Error(`Expected axis to be an integer or an array of integers, but received ${JSON.stringify(this.axis)}`);this.epsilon=e.epsilon==null?.001:e.epsilon,this.center=e.center==null?!0:e.center,this.scale=e.scale==null?!0:e.scale,this.betaInitializer=At(e.betaInitializer||"zeros"),this.gammaInitializer=At(e.gammaInitializer||"ones"),this.betaRegularizer=yt(e.betaRegularizer),this.gammaRegularizer=yt(e.gammaRegularizer),this.supportsMasking=!0}build(e){e=at(e);let t=e.length;typeof this.axis=="number"&&(this.axis=[this.axis]);for(let r=0;r<this.axis.length;++r)this.axis[r]<0&&(this.axis[r]+=t);for(let r of this.axis)if(r<0||r>=t)throw new Error(`Invalid axis: ${r}`);if(this.axis.length!==Br(this.axis).length)throw new Error(`Found duplicate axes in: ${this.axis}`);let n=this.axis.map(r=>e[r]),a=!0;this.scale?this.gamma=this.addWeight("gamma",n,"float32",this.gammaInitializer,this.gammaRegularizer,a):this.gamma=null,this.center?this.beta=this.addWeight("beta",n,"float32",this.betaInitializer,this.betaRegularizer,a):this.beta=null,this.built=!0}call(e,t){let n=_e(e),a=n.shape,r=a.length;return L(()=>{let s=!0,{mean:i,variance:o}=Ec(n,this.axis,s),l=Ti(1,r);for(let m of this.axis)l[m]=a[m];let d=m=>m!=null&&m.shape.length!==r&&this.axis!==[r-1]?m.reshape(l):m,u=d(this.gamma.read()),p=d(this.beta.read()),c=[],h=[];for(let m=0;m<r;++m)this.axis.indexOf(m)!==-1?(c.push(a[m]),h.push(1)):(c.push(1),h.push(a[m]));return i=i.tile(c),o=o.tile(c),u=u.tile(h),p=p.tile(h),Wd(n,i,o,p,u,this.epsilon)})}getConfig(){let e={axis:this.axis,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:It(this.betaInitializer),gammaInitializer:It(this.gammaInitializer),betaRegularizer:ut(this.betaRegularizer),gammaRegularizer:ut(this.gammaRegularizer)},t=super.getConfig();return Object.assign(e,t),e}};Jy.className="LayerNormalization";ae.registerClass(Jy);function Kae(e,t,n){return L(()=>{if(e.rank!==4)throw new W(`temporalPadding expects input tensor to be 4-D, but received a ${e.rank}-D tensor.`);if(t==null&&(t=[[1,1],[1,1]]),t.length!==2||t[0].length!==2||t[1].length!==2)throw new W("spatial2dPadding expects `padding` to be an Array of two Arrays, each of which is an Array of two integers.");if(n==null&&(n=va()),n!=="channelsLast"&&n!=="channelsFirst")throw new W(`Unknown data format: ${n}. Supported data formats are 'channelsLast' and 'channelsFirst.`);let a;return n==="channelsFirst"?a=[[0,0],[0,0],t[0],t[1]]:a=[[0,0],t[0],t[1],[0,0]],rr(e,a)})}var Qy=class extends Ge{constructor(e){if(e==null&&(e={}),super(e),this.dataFormat=e.dataFormat==null?va():e.dataFormat,e.padding==null)this.padding=[[1,1],[1,1]];else if(typeof e.padding=="number")this.padding=[[e.padding,e.padding],[e.padding,e.padding]];else{if(e.padding=e.padding,e.padding.length!==2)throw new W(`ZeroPadding2D expects padding to be a length-2 array, but received a length-${e.padding.length} array.`);let t,n;if(typeof e.padding[0]=="number")t=[e.padding[0],e.padding[0]],n=[e.padding[1],e.padding[1]];else{if(e.padding=e.padding,e.padding[0].length!==2)throw new W(`ZeroPadding2D expects height padding to be a length-2 array, but received a length-${e.padding[0].length} array.`);if(t=e.padding[0],e.padding[1].length!==2)throw new W(`ZeroPadding2D expects width padding to be a length-2 array, but received a length-${e.padding[1].length} array.`);n=e.padding[1]}this.padding=[t,n]}this.inputSpec=[new Mt({ndim:4})]}computeOutputShape(e){e=at(e);let t,n;return this.dataFormat==="channelsFirst"?(e[2]!=null&&e[2]>=0?t=e[2]+this.padding[0][0]+this.padding[0][1]:t=null,e[3]!=null&&e[3]>=0?n=e[3]+this.padding[1][0]+this.padding[1][1]:n=null,[e[0],e[1],t,n]):(e[1]!=null&&e[1]>=0?t=e[1]+this.padding[0][0]+this.padding[0][1]:t=null,e[2]!=null&&e[2]>=0?n=e[2]+this.padding[1][0]+this.padding[1][1]:n=null,[e[0],t,n,e[3]])}call(e,t){return L(()=>Kae(_e(e),this.padding,this.dataFormat))}getConfig(){let e={padding:this.padding,dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}};Qy.className="ZeroPadding2D";ae.registerClass(Qy);function r0(e,t,n,a,r,s){return L(()=>{Et(r),Sw(s),Qn(a),n==null&&(n=[1,1]),a==null&&(a="valid"),r==null&&(r=va()),s==null&&(s="max"),e=by(e,r);let i,o=a==="same"?"same":"valid";return s==="max"?i=Ku(e,t,n,o):i=ju(e,t,n,o),r==="channelsFirst"&&(i=Ze(i,[0,3,1,2])),i})}function V4(e,t,n,a,r,s){return L(()=>{Et(r),Sw(s),Qn(a),n==null&&(n=[1,1,1]),a==null&&(a="valid"),r==null&&(r=va()),s==null&&(s="max"),e=z4(e,r);let i,o=a==="same"?"same":"valid";return s==="max"?i=xA(e,t,n,o):i=rA(e,t,n,o),r==="channelsFirst"&&(i=Ze(i,[0,4,1,2,3])),i})}var j4=class extends Ge{constructor(e){if(e.poolSize==null&&(e.poolSize=2),super(e),typeof e.poolSize=="number")this.poolSize=[e.poolSize];else if(Array.isArray(e.poolSize)&&e.poolSize.length===1&&typeof e.poolSize[0]=="number")this.poolSize=e.poolSize;else throw new W(`poolSize for 1D convolutional layer must be a number or an Array of a single number, but received ${JSON.stringify(e.poolSize)}`);if(Ht(this.poolSize,"poolSize"),e.strides==null)this.strides=this.poolSize;else if(typeof e.strides=="number")this.strides=[e.strides];else if(Array.isArray(e.strides)&&e.strides.length===1&&typeof e.strides[0]=="number")this.strides=e.strides;else throw new W(`strides for 1D convolutional layer must be a number or an Array of a single number, but received ${JSON.stringify(e.strides)}`);Ht(this.strides,"strides"),this.padding=e.padding==null?"valid":e.padding,Qn(this.padding),this.inputSpec=[new Mt({ndim:3})]}computeOutputShape(e){e=at(e);let t=Ta(e[1],this.poolSize[0],this.padding,this.strides[0]);return[e[0],t,e[2]]}call(e,t){return L(()=>{this.invokeCallHook(e,t),e=Nd(_e(e),2);let n=this.poolingFunction(_e(e),[this.poolSize[0],1],[this.strides[0],1],this.padding,"channelsLast");return Or(n,[2])})}getConfig(){let e={poolSize:this.poolSize,padding:this.padding,strides:this.strides},t=super.getConfig();return Object.assign(e,t),e}},e2=class extends j4{constructor(e){super(e)}poolingFunction(e,t,n,a,r){return Et(r),Qn(a),r0(e,t,n,a,r,"max")}};e2.className="MaxPooling1D";ae.registerClass(e2);var t2=class extends j4{constructor(e){super(e)}poolingFunction(e,t,n,a,r){return Et(r),Qn(a),r0(e,t,n,a,r,"avg")}};t2.className="AveragePooling1D";ae.registerClass(t2);var U4=class extends Ge{constructor(e){if(e.poolSize==null&&(e.poolSize=[2,2]),super(e),this.poolSize=Array.isArray(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!==2)throw new W(`If the strides property of a 2D pooling layer is an Array, it is expected to have a length of 2, but received length ${e.strides.length}.`);this.strides=e.strides}else this.strides=[e.strides,e.strides];Ht(this.poolSize,"poolSize"),Ht(this.strides,"strides"),this.padding=e.padding==null?"valid":e.padding,this.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,Et(this.dataFormat),Qn(this.padding),this.inputSpec=[new Mt({ndim:4})]}computeOutputShape(e){e=at(e);let t=this.dataFormat==="channelsFirst"?e[2]:e[1],n=this.dataFormat==="channelsFirst"?e[3]:e[2];return t=Ta(t,this.poolSize[0],this.padding,this.strides[0]),n=Ta(n,this.poolSize[1],this.padding,this.strides[1]),this.dataFormat==="channelsFirst"?[e[0],e[1],t,n]:[e[0],t,n,e[3]]}call(e,t){return L(()=>(this.invokeCallHook(e,t),this.poolingFunction(_e(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}},n2=class extends U4{constructor(e){super(e)}poolingFunction(e,t,n,a,r){return Et(r),Qn(a),r0(e,t,n,a,r,"max")}};n2.className="MaxPooling2D";ae.registerClass(n2);var a2=class extends U4{constructor(e){super(e)}poolingFunction(e,t,n,a,r){return Et(r),Qn(a),r0(e,t,n,a,r,"avg")}};a2.className="AveragePooling2D";ae.registerClass(a2);var H4=class extends Ge{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 W(`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];Ht(this.poolSize,"poolSize"),Ht(this.strides,"strides"),this.padding=e.padding==null?"valid":e.padding,this.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,Et(this.dataFormat),Qn(this.padding),this.inputSpec=[new Mt({ndim:5})]}computeOutputShape(e){e=at(e);let t=this.dataFormat==="channelsFirst"?e[2]:e[1],n=this.dataFormat==="channelsFirst"?e[3]:e[2],a=this.dataFormat==="channelsFirst"?e[4]:e[3];return t=Ta(t,this.poolSize[0],this.padding,this.strides[0]),n=Ta(n,this.poolSize[1],this.padding,this.strides[1]),a=Ta(a,this.poolSize[2],this.padding,this.strides[2]),this.dataFormat==="channelsFirst"?[e[0],e[1],t,n,a]:[e[0],t,n,a,e[4]]}call(e,t){return L(()=>(this.invokeCallHook(e,t),this.poolingFunction(_e(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}},r2=class extends H4{constructor(e){super(e)}poolingFunction(e,t,n,a,r){return Et(r),Qn(a),V4(e,t,n,a,r,"max")}};r2.className="MaxPooling3D";ae.registerClass(r2);var s2=class extends H4{constructor(e){super(e)}poolingFunction(e,t,n,a,r){return Et(r),Qn(a),V4(e,t,n,a,r,"avg")}};s2.className="AveragePooling3D";ae.registerClass(s2);var G4=class extends Ge{constructor(e){super(e);this.inputSpec=[new Mt({ndim:3})]}computeOutputShape(e){return[e[0],e[2]]}call(e,t){throw new Oe}},i2=class extends G4{constructor(e){super(e||{})}call(e,t){return L(()=>{let n=_e(e);return kt(n,1)})}};i2.className="GlobalAveragePooling1D";ae.registerClass(i2);var o2=class extends G4{constructor(e){super(e||{})}call(e,t){return L(()=>{let n=_e(e);return Xn(n,1)})}};o2.className="GlobalMaxPooling1D";ae.registerClass(o2);var q4=class extends Ge{constructor(e){super(e);this.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,Et(this.dataFormat),this.inputSpec=[new Mt({ndim:4})]}computeOutputShape(e){return e=e,this.dataFormat==="channelsLast"?[e[0],e[3]]:[e[0],e[1]]}call(e,t){throw new Oe}getConfig(){let e={dataFormat:this.dataFormat},t=super.getConfig();return Object.assign(e,t),e}},l2=class extends q4{call(e,t){return L(()=>{let n=_e(e);return this.dataFormat==="channelsLast"?kt(n,[1,2]):kt(n,[2,3])})}};l2.className="GlobalAveragePooling2D";ae.registerClass(l2);var u2=class extends q4{call(e,t){return L(()=>{let n=_e(e);return this.dataFormat==="channelsLast"?Xn(n,[1,2]):Xn(n,[2,3])})}};u2.className="GlobalMaxPooling2D";ae.registerClass(u2);var X4=class extends Ge{constructor(e){super(e);this.layer=e.layer}build(e){this.built=!0}get trainable(){return this.layer!=null?this.layer.trainable:!1}set trainable(e){this.layer!=null&&(this.layer.trainable=e)}get trainableWeights(){return this.layer.trainableWeights}get nonTrainableWeights(){return this.layer.nonTrainableWeights}get updates(){return this.layer._updates}get losses(){return this.layer.losses}getWeights(){return this.layer.getWeights()}setWeights(e){this.layer.setWeights(e)}getConfig(){let e={layer:{className:this.layer.getClassName(),config:this.layer.getConfig()}},t=super.getConfig();return Object.assign(e,t),e}setFastWeightInitDuringBuild(e){super.setFastWeightInitDuringBuild(e),this.layer!=null&&this.layer.setFastWeightInitDuringBuild(e)}static fromConfig(e,t,n={}){let a=t.layer,r=Na(a,n);delete t.layer;let s={layer:r};return Object.assign(s,t),new e(s)}},d2=class extends X4{constructor(e){super(e);this.supportsMasking=!0}build(e){if(e=at(e),e.length<3)throw new W(`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=at(e);let t=[e[0]].concat(e.slice(2)),n=this.layer.computeOutputShape(t),a=e[1];return[n[0],a].concat(n.slice(1))}call(e,t){return L(()=>(e=_e(e),W4((n,a)=>[_e(this.layer.call(n,t)),[]],e,[],!1,null,null,!1,!0)[1]))}};d2.className="TimeDistributed";ae.registerClass(d2);function Zae(e){Ci(ote,"BidirectionalMergeMode",e)}var Yae="concat",p2=class extends X4{constructor(e){super(e);let t=e.layer.getConfig(),n={};n.className=e.layer.getClassName(),n.config=t,this.forwardLayer=Na(n),t.goBackwards=t.goBackwards!==!0;let a={};if(a.className=e.layer.getClassName(),a.config=t,this.backwardLayer=Na(a),this.forwardLayer.name="forward_"+this.forwardLayer.name,this.backwardLayer.name="backward_"+this.backwardLayer.name,this.mergeMode=e.mergeMode===void 0?Yae:e.mergeMode,Zae(this.mergeMode),e.weights)throw new Oe("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 t=e.length,n=Math.floor(t/2);this.forwardLayer.setWeights(e.slice(0,n)),this.backwardLayer.setWeights(e.slice(n))}computeOutputShape(e){let t=this.forwardLayer.computeOutputShape(e);Array.isArray(t)&&Array.isArray(t[0])||(t=[t]),t=t;let n,a,r;return this.returnState&&(r=t.slice(1)),n=t[0],n=n,this.mergeMode==="concat"?(n[n.length-1]*=2,a=[n]):this.mergeMode==null?a=[n,n.slice()]:a=[n],this.returnState?this.mergeMode==null?a.concat(r).concat(r.slice()):[n].concat(r).concat(r.slice()):Nn(a)}apply(e,t){let n=t==null?null:t.initialState,a=t==null?null:t.constants;t==null&&(t={});let r=L4(e,n,a,this.numConstants);if(e=r.inputs,n=r.initialState,a=r.constants,Array.isArray(e)&&(n=e.slice(1),e=e[0]),(n==null||n.length===0)&&a==null)return super.apply(e,t);let s=[],i=[];if(n!=null){let l=n.length;if(l%2>0)throw new W("When passing `initialState` to a Bidrectional RNN, the state should be an Array containing the states of the underlying RNNs.");t.initialState=n,s.push(...n);let d=n.map(u=>new Mt({shape:u.shape}));this.forwardLayer.stateSpec=d.slice(0,l/2),this.backwardLayer.stateSpec=d.slice(l/2),i.push(...d)}if(a!=null)throw new Oe("Support for constants in Bidirectional layers is not implemented yet.");let o=s[0]instanceof Sa;for(let l of s)if(l instanceof Sa!==o)throw new W("The initial state of a Bidirectional layer cannot be specified as a mix of symbolic and non-symbolic tensors");if(o){let l=[e].concat(s),d=this.inputSpec.concat(i),u=this.inputSpec;this.inputSpec=d;let p=super.apply(l,t);return this.inputSpec=u,p}else return super.apply(e,t)}call(e,t){return L(()=>{let n=t.initialState,a,r;if(n==null)a=this.forwardLayer.call(e,t),r=this.backwardLayer.call(e,t);else{let o=n.slice(0,n.length/2),l=n.slice(n.length/2);a=this.forwardLayer.call(e,Object.assign(t,{initialState:o})),r=this.backwardLayer.call(e,Object.assign(t,{initialState:l}))}let s;this.returnState&&(Array.isArray(a)&&(s=a.slice(1).concat(r.slice(1))),a=a[0],r=r[0]),this.returnSequences&&(r=On(r,1));let 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a=S("elementShape",e,t,n),r=S("elementDType",e,t,n),s;e.op==="TensorListReserve"?s="numElements":s="maxNumElements";let i=S(s,e,t,n),o=Ure(a,r,i);return n.addTensorList(o),[o.idTensor]}case"TensorListGather":{let a=S("tensorListId",e,t,n),r=S("indices",e,t,n),s=S("elementShape",e,t,n),i=S("elementDType",e,t,n);return[n.getTensorList(a.id).gather(r,i,s)]}case"TensorListStack":{let a=S("tensorListId",e,t,n),r=S("elementShape",e,t,n),s=S("elementDType",e,t,n),i=S("numElements",e,t,n);return[n.getTensorList(a.id).stack(r,s,i)]}case"TensorListFromTensor":{let a=S("tensor",e,t,n),r=S("elementShape",e,t,n),s=S("elementDType",e,t,n),i=jre(a,r,s);return n.addTensorList(i),[i.idTensor]}case"TensorListConcat":{let a=S("tensorListId",e,t,n),r=n.getTensorList(a.id),s=S("dtype",e,t,n),i=S("elementShape",e,t,n);return[r.concat(s,i)]}case"TensorListPushBack":{let a=S("tensorListId",e,t,n),r=S("tensor",e,t,n),s=n.getTensorList(a.id);return s.pushBack(r),[s.idTensor]}case"TensorListPopBack":{let 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d=S("strides",e,t,n),u=o0(e,t,n),p=S("dataFormat",e,t,n).toUpperCase(),c=S("dilations",e,t,n),[h,m]=S("args",e,t,n),f=S("leakyreluAlpha",e,t,n);return{stride:d,pad:u,dataFormat:p,dilations:c,biasArg:h,preluArg:m,activationFunc:r,leakyreluAlpha:f}}var Xre=(e,t,n)=>{switch(e.op){case"Conv1D":{let a=S("stride",e,t,n),r=S("pad",e,t,n),s=S("dataFormat",e,t,n).toUpperCase(),i=S("dilation",e,t,n);return[gc(S("x",e,t,n),S("filter",e,t,n),a,r,s,i)]}case"Conv2D":{let a=S("strides",e,t,n),r=o0(e,t,n),s=S("dataFormat",e,t,n).toUpperCase(),i=S("dilations",e,t,n);return[ar(S("x",e,t,n),S("filter",e,t,n),[a[1],a[2]],r,s,[i[1],i[2]])]}case"_FusedConv2D":{let{stride:a,pad:r,dataFormat:s,dilations:i,biasArg:o,preluArg:l,activationFunc:d,leakyreluAlpha:u}=S8(e,t,n);return[zr.conv2d({x:S("x",e,t,n),filter:S("filter",e,t,n),strides:[a[1],a[2]],pad:r,dataFormat:s,dilations:[i[1],i[2]],bias:o,activation:d,preluActivationWeights:l,leakyreluAlpha:u})]}case"FusedDepthwiseConv2dNative":{let{stride:a,pad:r,dataFormat:s,dilations:i,biasArg:o,preluArg:l,activationFunc:d,leakyreluAlpha:u}=S8(e,t,n);return[zr.depthwiseConv2d({x:S("x",e,t,n),filter:S("filter",e,t,n),strides:[a[1],a[2]],pad:r,dataFormat:s,dilations:[i[1],i[2]],bias:o,activation:d,preluActivationWeights:l,leakyreluAlpha:u})]}case"Conv2DBackpropInput":case"Conv2dTranspose":{let 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e?e.map(t=>t.id===0&&t.iterationId===0?"":`${t.frameName}-${t.iterationId}`).join("/"):""}enterFrame(e){this.contexts&&(this.lastId++,this.contexts=this.contexts.slice(),this.contexts.push(this.newFrame(this.lastId,e)),this._currentContextIds.unshift(this.contextIdforContexts(this.contexts)))}exitFrame(){if(this.contexts&&this.contexts.length>1)this.contexts=this.contexts.slice(),this.contexts.splice(-1),this.currentContextIds.shift();else throw new Error("Cannot exit frame, the context is empty")}nextIteration(){if(this.contexts&&this.contexts.length>0){this.contexts=this.contexts.slice(),this.lastId++;let e=Object.assign({},this.contexts[this.contexts.length-1]);e.iterationId+=1,e.id=this.lastId,this.contexts.splice(-1,1,e),this._currentContextIds.splice(0,1,this.contextIdforContexts(this.contexts))}else throw new Error("Cannot increase frame iteration, the context is empty")}getWeight(e){return this.weightMap[e]}addTensorArray(e){this.tensorArrayMap[e.id]=e}getTensorArray(e){return this.tensorArrayMap[e]}addTensorList(e){this.tensorListMap[e.id]=e}getTensorList(e){return this.tensorListMap[e]}dispose(e){for(let t in this.tensorArrayMap)this.tensorArrayMap[t].clearAndClose(e);for(let t in this.tensorListMap)this.tensorListMap[t].clearAndClose(e)}};function C8(e,t,n,a){let r=new Set,s=[],i=null,o=null,l=new Set,d=Object.keys(e).map(c=>Ln(c)[0]),u=[];a!=null&&(u=a.map(c=>Ln(c.name)[0]));let p=[...t];for(;p.length>0;){let c=p.pop();if((E8(c)||dse(c)||pse(c))&&i==null&&(i=c,o=i.children.map(h=>h.name).filter(h=>r.has(h))),r.add(c.name),n[c.name]==null&&d.indexOf(c.name)===-1&&u.indexOf(c.name)===-1){if(c.inputs.length===0){s.push(c.name);continue}c.inputs.forEach(h=>{l.has(h.name)||(l.add(h.name),p.push(h))})}}return{inputs:e,outputs:t,usedNodes:r,missingInputs:s,dynamicNode:i,syncInputs:o}}function cse(e,t,n){let{usedNodes:a,inputs:r}=n,s=[],i=Object.keys(r).map(u=>Ln(u)[0]).map(u=>e.nodes[u]),o=e.initNodes;i.forEach(u=>{a.has(u.name)&&s.push(u)}),e.weights.forEach(u=>{a.has(u.name)&&s.push(u)}),o!=null&&o.forEach(u=>{a.has(u.name)&&s.push(u)});let l=new Set,d=[];for(;s.length>0;){let u=s.pop();l.add(u.name),t[u.name]||d.push(u),u.children.forEach(p=>{!l.has(p.name)&&a.has(p.name)&&p.inputs.every(c=>l.has(c.name))&&s.push(p)})}return d}var hse=["Switch","Merge","Enter","Exit","NextIteration","StatelessIf","StatelessWhile","if","While"],fse=["NonMaxSuppressionV2","NonMaxSuppressionV3","NonMaxSuppressionV5","Where"],mse=["HashTable","HashTableV2","LookupTableImport","LookupTableImportV2","LookupTableFind","LookupTableFindV2","LookupTableSize","LookupTableSizeV2"];function E8(e){return hse.indexOf(e.op)>=0}function dse(e){return fse.indexOf(e.op)>=0}function pse(e){return mse.indexOf(e.op)>=0}var N2=class{constructor(e,t){this.graph=e,this.parent=t,this.compiledMap=new Map,this._weightMap={},this.SEPERATOR=",",this._functions={},this._functionExecutorMap={},this._outputs=e.outputs,this._inputs=e.inputs,this._initNodes=e.initNodes,this._signature=e.signature,this._functions=e.functions,e.functions!=null&&Object.keys(e.functions).forEach(n=>{this._functionExecutorMap[n]=new N2(e.functions[n],this)})}get weightIds(){return this.parent?this.parent.weightIds:this._weightIds}get functionExecutorMap(){return this.parent?this.parent.functionExecutorMap:this._functionExecutorMap}get weightMap(){return this.parent?this.parent.weightMap:this._weightMap}set weightMap(e){let t=Object.keys(e).map(n=>e[n].map(a=>a.id));this._weightIds=[].concat(...t),this._weightMap=e}set resourceManager(e){this._resourceManager=e}get inputs(){return this._inputs.map(e=>({name:e.name,shape:e.attrParams.shape?e.attrParams.shape.value:void 0,dtype:e.attrParams.dtype?e.attrParams.dtype.value:void 0}))}get outputs(){return this._outputs.map(e=>({name:e.name,shape:e.attrParams.shape?e.attrParams.shape.value:void 0,dtype:e.attrParams.dtype?e.attrParams.dtype.value:void 0}))}get inputNodes(){return this._inputs.map(e=>e.signatureKey||e.name)}get outputNodes(){return this._outputs.map(e=>{let t=e.signatureKey||e.name;return e.defaultOutput?`${t}:${e.defaultOutput}`:t})}get functions(){return Object.keys(this._functions).reduce((e,t)=>(e[t]=this._functions[t].signature,e),{})}getCompilationKey(e,t){let n=e.map(r=>r.name).sort(),a=t.map(r=>r.name).sort();return n.join(this.SEPERATOR)+"--"+a.join(this.SEPERATOR)}compile(e,t){let n=C8(e,t,this.weightMap,this._initNodes),{missingInputs:a,dynamicNode:r,syncInputs:s}=n;if(r!=null)throw new Error(`This execution contains the node '${r.name}', which has the dynamic op '${r.op}'. Please use model.executeAsync() instead. Alternatively, to avoid the dynamic ops, specify the inputs [${s}]`);if(a.length>0){let i=t.map(l=>l.name),o=Object.keys(e);throw new Error(`Cannot compute the outputs [${i}] from the provided inputs [${o}]. Missing the following inputs: [${a}]`)}return cse(this.graph,this.weightMap,n)}execute(e,t){e=this.mapInputs(e);let n=Object.keys(e).sort();this.checkInputs(e),this.checkInputShapeAndType(e),t=this.mapOutputs(t),this.checkOutputs(t);let a=n.map(u=>this.graph.nodes[Ln(u)[0]]),r=t.map(u=>Ln(u)[0]),s=r.map(u=>this.graph.nodes[u]);s.length===0&&(s=this._outputs);let i=this.getCompilationKey(a,s),o=this.compiledMap.get(i);o==null&&(o=this.compile(e,s),this.compiledMap.set(i,o));let l={},d={};return L(()=>{let u=new T8(this.weightMap,l,d,this.functionExecutorMap),p=Object.assign({},this.weightMap);Object.keys(e).forEach(m=>{let[f,A]=Ln(m),y=[];y[A]=e[m],p[f]=y});let c=this.getFrozenTensorIds(p),h={};for(let m=0;m<o.length;m++){let f=o[m];if(!p[f.name]){let A=N8(f,p,u,this._resourceManager);if(w.isPromise(A))throw new Error(`The execution of the op '${f.op}' returned a promise. Please use model.executeAsync() instead.`);p[f.name]=A,this.checkTensorForDisposal(f.name,f,p,u,c,r,h)}}return this.parent==null&&u.dispose(c),t.map(m=>mn(m,p,u))})}getFrozenTensorIds(e){let t=[].concat.apply([],Object.keys(e).map(n=>e[n]).map(n=>n.map(a=>a.id)));return new Set(t)}checkTensorForDisposal(e,t,n,a,r,s,i){t.category==="control"||s.indexOf(e)!==-1||(n[e].forEach(o=>{o!=null&&(i[o.id]=(i[o.id]||0)+t.children.length)}),t.inputs.forEach(o=>{if(o.category!=="control"){let l=bre(o.name,n,a);l!=null&&l.forEach(d=>{if(d&&!d.kept&&!r.has(d.id)){let u=i[d.id];u===1?(d.dispose(),delete i[d.id]):u!=null&&i[d.id]--}})}}))}async executeAsync(e,t){return this._executeAsync(e,t)}async _executeAsync(e,t,n=!1,a={},r={}){n||(e=this.mapInputs(e),this.checkInputs(e),this.checkInputShapeAndType(e),t=this.mapOutputs(t),this.checkOutputs(t));let s=new T8(this.weightMap,a,r,this.functionExecutorMap),i=await this.executeWithControlFlow(e,s,t,n),o=t.map(p=>mn(p,i,s)),l=o.map(p=>p.id),d=Object.keys(e).map(p=>e[p].id),u=new Set([...l,...d,...this.weightIds]);return Object.keys(i).forEach(p=>{i[p].forEach(c=>{c&&!c.kept&&!c.isDisposed&&!u.has(c.id)&&c.dispose()})}),this.parent==null&&s.dispose(u),o}async executeFunctionAsync(e,t,n){let a=e.reduce((r,s,i)=>(r[this.inputs[i].name]=s,r),{});return this._executeAsync(a,this.outputNodes,!0,t,n)}async executeWithControlFlow(e,t,n,a){let r=Object.keys(e),s=r.map(g=>this.graph.nodes[Ln(g)[0]]),i=n.map(g=>Ln(g)[0]),o=i.map(g=>this.graph.nodes[g]);o.length===0&&(o=this._outputs);let{usedNodes:l,missingInputs:d,dynamicNode:u,syncInputs:p}=C8(e,o,this.weightMap,this._initNodes),c=[...s,...this.graph.weights,...this._initNodes||[]].map(g=>({node:g,contexts:t.currentContext})),h=Object.assign({},this.weightMap);Object.keys(e).forEach(g=>{let[x,k]=Ln(g),b=[];b[k]=e[g],h[x]=b});let m={},f=this.getFrozenTensorIds(h),A={};for(;c.length>0;){let g=this.processStack(s,c,t,h,A,f,i,m,l);await Promise.all(g)}u==null&&!a&&console.warn("This model execution did not contain any nodes with control flow or dynamic output shapes. You can use model.execute() instead.");let y=o.filter(g=>!E8(g)&&!mn(g.name,h,t)).map(g=>g.name);if(y.length>0){let g="";throw u!=null&&(g=`Alternatively, to avoid the dynamic ops, use model.execute() and specify the inputs [${p}]`),new Error(`Cannot compute the outputs [${y}] from the provided inputs [${r}]. Consider providing the following inputs: [${d}]. ${g}`)}return h}processStack(e,t,n,a,r,s,i,o,l){let d=[];for(;t.length>0;){let u=t.pop();n.currentContext=u.contexts;let p="";if(u.node.op==="Enter"&&S("isConstant",u.node,a,n)&&([p]=cr(u.node.name,n)),a[u.node.name]==null){let c=N8(u.node,a,n,this._resourceManager);p||([p]=cr(u.node.name,n));let h=n.currentContext;w.isPromise(c)?d.push(c.then(m=>(a[p]=m,n.currentContext=h,this.checkTensorForDisposal(p,u.node,a,n,s,i,o),this.processChildNodes(u.node,t,n,a,r,l),m))):(a[p]=c,this.checkTensorForDisposal(p,u.node,a,n,s,i,o),this.processChildNodes(u.node,t,n,a,r,l))}else this.processChildNodes(u.node,t,n,a,r,l)}return d}processChildNodes(e,t,n,a,r,s){e.children.forEach(i=>{let[o]=cr(i.name,n);r[o]||!s.has(i.name)||(i.op==="Merge"?i.inputNames.some(l=>!!mn(l,a,n))&&(r[o]=!0,t.push({contexts:n.currentContext,node:i})):i.inputNames.every(l=>!!mn(l,a,n))&&(r[o]=!0,t.push({contexts:n.currentContext,node:i})))})}dispose(){Object.keys(this.weightMap).forEach(e=>this.weightMap[e].forEach(t=>t.dispose()))}checkInputShapeAndType(e){Object.keys(e).forEach(t=>{let n=e[t],[a]=Ln(t),r=this.graph.nodes[a];if(r.attrParams.shape&&r.attrParams.shape.value){let s=r.attrParams.shape.value,i=s.length===n.shape.length&&n.shape.every((o,l)=>s[l]===-1||s[l]===o);w.assert(i,()=>`The shape of dict['${r.name}'] provided in model.execute(dict) must be [${s}], but was [${n.shape}]`)}r.attrParams.dtype&&r.attrParams.dtype.value&&w.assert(n.dtype===r.attrParams.dtype.value,()=>`The dtype of dict['${r.name}'] provided in model.execute(dict) must be ${r.attrParams.dtype.value}, but was ${n.dtype}`)})}mapInputs(e){let t={};for(let n in e)if(this._signature!=null&&this._signature.inputs!=null&&this._signature.inputs[n]!=null){let a=this._signature.inputs[n];t[a.name]=e[n]}else t[n]=e[n];return t}checkInputs(e){let t=Object.keys(e).filter(n=>{let[a]=Ln(n);return this.graph.nodes[a]==null});if(t.length>0)throw new Error(`The dict provided in model.execute(dict) has keys: [${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]=Ln(t);if(!this.graph.nodes[n])throw new Error(`The output '${t}' is not found in the graph`)})}},Ase=class{constructor(e={},t={}){this.hashTableNameToHandle=e,this.hashTableMap=t}addHashTable(e,t){this.hashTableNameToHandle[e]=t.handle,this.hashTableMap[t.id]=t}getHashTableHandleByName(e){return this.hashTableNameToHandle[e]}getHashTableById(e){return this.hashTableMap[e]}dispose(){for(let e in this.hashTableMap)this.hashTableMap[e].clearAndClose(),delete this.hashTableMap[e];for(let e in this.hashTableNameToHandle)this.hashTableNameToHandle[e].dispose(),delete this.hashTableNameToHandle[e]}},yse="?tfjs-format=file",gse="model.json",R8=class{constructor(e,t={}){this.modelUrl=e,this.loadOptions=t,this.version="n/a",t==null&&(this.loadOptions={}),this.resourceManager=new Ase}get modelVersion(){return this.version}get inputNodes(){return this.executor.inputNodes}get outputNodes(){return this.executor.outputNodes}get inputs(){return this.executor.inputs}get outputs(){return this.executor.outputs}get weights(){return this.executor.weightMap}get metadata(){return this.artifacts.userDefinedMetadata}get modelSignature(){return this.signature}findIOHandler(){let e=this.modelUrl;if(e.load!=null)this.handler=e;else if(this.loadOptions.requestInit!=null)this.handler=vn.browserHTTPRequest(e,this.loadOptions);else{let t=vn.getLoadHandlers(e,this.loadOptions);if(t.length===0)t.push(vn.browserHTTPRequest(e,this.loadOptions));else if(t.length>1)throw new Error(`Found more than one (${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}.${t.versions.minConsumer}`;let a=vn.decodeWeights(this.artifacts.weightData,this.artifacts.weightSpecs);if(this.executor=new N2(v8.Instance.transformGraph(t,this.signature)),this.executor.weightMap=this.convertTensorMapToTensorsMap(a),this.executor.resourceManager=this.resourceManager,e.modelInitializer!=null&&e.modelInitializer.node!=null){let r=v8.Instance.transformGraph(e.modelInitializer);this.initializer=new N2(r),this.initializer.weightMap=this.executor.weightMap,this.initializer.resourceManager=this.resourceManager,this.initializer.executeAsync({},[])}return!0}async save(e,t){if(typeof e=="string"){let n=vn.getSaveHandlers(e);if(n.length===0)throw new Error(`Cannot find any save handlers for URL '${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 Le)&&!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 ${e.length} input tensors.`);return this.inputNodes.reduce((t,n,a)=>(t[n]=e[a],t),{})}normalizeOutputs(e){return e=e||this.outputNodes,Array.isArray(e)?e:[e]}execute(e,t){e=this.normalizeInputs(e),t=this.normalizeOutputs(t);let n=this.executor.execute(e,t);return n.length>1?n:n[0]}async executeAsync(e,t){e=this.normalizeInputs(e),t=this.normalizeOutputs(t);let n=await this.executor.executeAsync(e,t);return n.length>1?n:n[0]}convertTensorMapToTensorsMap(e){return Object.keys(e).reduce((t,n)=>(t[n]=[e[n]],t),{})}dispose(){this.executor.dispose(),this.initializer&&this.initializer.dispose(),this.resourceManager.dispose()}};async function Gt(e,t={}){if(e==null)throw new Error("modelUrl in loadGraphModel() cannot be null. Please provide a url or an IOHandler that loads the model");t==null&&(t={}),t.fromTFHub&&e.load==null&&(e.endsWith("/")||(e=e+"/"),e=`${e}${gse}${yse}`);let n=new R8(e,t);return await n.load(),n}var xse="3.5.0",M8={};Fe(M8,{CSVDataset:()=>$8,Dataset:()=>Ul,FileDataSource:()=>D8,TextLineDataset:()=>F8,URLDataSource:()=>O8,array:()=>bse,csv:()=>wse,func:()=>kse,generator:()=>Ise,microphone:()=>Nse,version_data:()=>Tse,webcam:()=>Sse,zip:()=>vse});var Ese=Yi(Pg()),Cse=Yi(Pg());function Rse(e,t){return l0(e,t)}function l0(e,t,n=new Map,a=new Set){if(e==null)return null;if(a.has(e))throw new Error("Circular references are not supported.");if(n.has(e))return n.get(e);let r=t(e);if(r.recurse&&r.value!==null)throw new Error("A deep map function may not return both a value and recurse=true.");if(r.recurse)if(Hl(e)){let s=Array.isArray(e)?[]:{};a.add(e);for(let i in e){let o=e[i],l=l0(o,t,n,a);s[i]=l}return a.delete(e),s}else throw new Error(`Can't recurse into non-iterable type: ${e}`);else return n.set(e,r.value),r.value}function Mse(e,t=_8){return z8(e,t)}function z8(e,t,n=new Set){let a=e[0];if(n.has(a))throw new Error("Circular references are not supported.");let r=t(e);if(r.recurse&&r.value!==null)throw new Error("A deep zip function may not return both a value and recurse=true.");if(r.recurse)if(Hl(a)){let s=Array.isArray(a)?[]:{};n.add(a);for(let i in a){let o=e.map(d=>d[i]),l=z8(o,t,n);s[i]=l}return n.delete(a),s}else throw new Error(`Can't recurse into non-iterable type: ${a}`);else return r.value}function _8(e){return e===null?null:Hl(e[0])?{value:null,recurse:!0}:{value:e,recurse:!1}}async function P8(e,t){let n=new Map;l0(e,t,n);for(let a of Array.from(n.keys())){let r=n.get(a);if(w.isPromise(r)){let s=await r;n.set(a,s)}}return l0(e,t,n)}function Hl(e){return e!=null&&!ArrayBuffer.isView(e)&&(Array.isArray(e)||typeof e=="object"&&!(e instanceof Le))}function $se(e){return e==null||Fse(e)||Array.isArray(e)||typeof e=="object"&&e instanceof Le||w.isTypedArray(e)}function Fse(e){return e===null||typeof e!="object"&&typeof e!="function"}function Ose(e){return Rse(e,Dse)}function Dse(e){return e instanceof Le?{value:e.clone(),recurse:!1}:Hl(e)?{value:null,recurse:!0}:{value:e,recurse:!1}}var L8=class{constructor(e){if(this.capacity=e,this.begin=0,this.end=0,e==null)throw new RangeError("Can't create a ring buffer of unknown capacity.");if(e<1)throw new RangeError("Can't create ring buffer of capacity < 1.");this.data=new Array(e),this.doubledCapacity=2*e}wrap(e){for(;e<0;)e+=this.doubledCapacity;return e%this.doubledCapacity}get(e){if(e<0)throw new RangeError("Can't get item at a negative index.");return this.data[e%this.capacity]}set(e,t){if(e<0)throw new RangeError("Can't set item at a negative index.");this.data[e%this.capacity]=t}length(){let e=this.end-this.begin;return e<0&&(e=this.doubledCapacity+e),e}isFull(){return this.length()===this.capacity}isEmpty(){return this.length()===0}push(e){if(this.isFull())throw new RangeError("Ring buffer is full.");this.set(this.end,e),this.end=this.wrap(this.end+1)}pushAll(e){for(let t of e)this.push(t)}pop(){if(this.isEmpty())throw new RangeError("Ring buffer is empty.");this.end=this.wrap(this.end-1);let e=this.get(this.end);return this.set(this.end,void 0),e}unshift(e){if(this.isFull())throw new RangeError("Ring buffer is full.");this.begin=this.wrap(this.begin-1),this.set(this.begin,e)}shift(){if(this.isEmpty())throw new RangeError("Ring buffer is empty.");let e=this.get(this.begin);return this.set(this.begin,void 0),this.begin=this.wrap(this.begin+1),e}shuffleExcise(e){if(this.isEmpty())throw new RangeError("Ring buffer is empty.");let t=this.wrap(this.begin+e),n=this.get(t);return this.set(t,this.pop()),n}},T2=class extends L8{constructor(){super(T2.INITIAL_CAPACITY)}isFull(){return!1}push(e){super.isFull()&&this.expand(),super.push(e)}unshift(e){super.isFull()&&this.expand(),super.unshift(e)}expand(){let e=this.capacity*2,t=new Array(e),n=this.length();for(let a=0;a<n;a++)t[a]=this.get(this.wrap(this.begin+a));this.data=t,this.capacity=e,this.doubledCapacity=2*this.capacity,this.begin=0,this.end=n}};T2.INITIAL_CAPACITY=32;function W8(e){return new zse(e)}function E2(e){return new _se(e)}function Pse(e,t){return new B8(e,t)}function Wse(e,t=Xr.FAIL){return new Lse(e,t)}var qt=class{async toArray(){let e=[],t=await this.next();for(;!t.done;)e.push(t.value),t=await this.next();return e}async toArrayForTest(){let e=this.prefetch(100),t=[],n=await e.next();for(;!n.done;)t.push(n.value),n=await e.next();return t}async resolveFully(){let e=await this.next();for(;!e.done;)e=await this.next()}async resolveWhile(e){let t=await this.next(),n=e(t.value);for(;!t.done&&n;)t=await this.next(),n=e(t.value)}handleErrors(e){return new qse(this,e)}filter(e){return new Hse(this,e)}map(e){return new Gse(this,e)}mapAsync(e){return new V8(this,e)}serialMapAsync(e){return new V8(this,e).serial()}flatmap(e){return new Xse(this,e)}async forEachAsync(e){return this.map(e).resolveFully()}async serialForEach(e){return this.serialMapAsync(e).resolveWhile(t=>t===!0)}rowMajorBatch(e,t=!0){return new Use(this,e,t)}columnMajorBatch(e,t=!0,n=_8){return this.rowMajorBatch(e,t).map(a=>Mse(a,n))}concatenate(e,t){return new B8(W8([this,e]),t)}take(e){return e<0||e==null?this:new jse(this,e)}skip(e){return e<0||e==null?this:new Vse(this,e)}prefetch(e){return new j8(this,e)}shuffle(e,t){return new Kse(this,e,t)}serial(){return new Bse(this)}},zse=class extends qt{constructor(e){super();this.items=e,this.trav=0}summary(){return`Array of ${this.items.length} items`}async next(){if(this.trav>=this.items.length)return{value:null,done:!0};let e=this.items[this.trav];return this.trav++,{value:Ose(e),done:!1}}},_se=class extends qt{constructor(e){super();this.nextFn=e}summary(){return"Function call"}async next(){try{return this.nextFn()}catch(e){throw e.message=`Error thrown while iterating through a dataset: ${e.message}`,e}}},Bse=class extends qt{constructor(e){super();this.upstream=e,this.lastRead=Promise.resolve({value:null,done:!1})}summary(){return`${this.upstream.summary()} -> Serial`}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}async serialNext(){return this.upstream.next()}},Vse=class extends qt{constructor(e,t){super();this.upstream=e,this.maxCount=t,this.count=0,this.lastRead=Promise.resolve({value:null,done:!1})}summary(){return`${this.upstream.summary()} -> Skip`}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}async serialNext(){for(;this.count++<this.maxCount;){let e=await this.upstream.next();if(e.done)return e;Ee(e.value)}return this.upstream.next()}},jse=class extends qt{constructor(e,t){super();this.upstream=e,this.maxCount=t,this.count=0}summary(){return`${this.upstream.summary()} -> Take`}async next(){return this.count++>=this.maxCount?{value:null,done:!0}:this.upstream.next()}},Use=class extends qt{constructor(e,t,n=!0){super();this.upstream=e,this.batchSize=t,this.enableSmallLastBatch=n,this.lastRead=Promise.resolve({value:null,done:!1})}summary(){return`${this.upstream.summary()} -> RowMajorBatch`}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}async serialNext(){let e=[];for(;e.length<this.batchSize;){let t=await this.upstream.next();if(t.done)return this.enableSmallLastBatch&&e.length>0?{value:e,done:!1}:{value:null,done:!0};e.push(t.value)}return{value:e,done:!1}}},Hse=class extends qt{constructor(e,t){super();this.upstream=e,this.predicate=t,this.lastRead=Promise.resolve({value:null,done:!1})}summary(){return`${this.upstream.summary()} -> Filter`}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}async serialNext(){for(;;){let e=await this.upstream.next();if(e.done||this.predicate(e.value))return e;Ee(e.value)}}},Gse=class extends qt{constructor(e,t){super();this.upstream=e,this.transform=t}summary(){return`${this.upstream.summary()} -> Map`}async next(){let e=await this.upstream.next();if(e.done)return{value:null,done:!0};let t=Aa.getTensorsInContainer(e.value),n=this.transform(e.value),a=Aa.getTensorsInContainer(n);for(let r of t)Aa.isTensorInList(r,a)||r.dispose();return{value:n,done:!1}}},qse=class extends qt{constructor(e,t){super();this.upstream=e,this.handler=t,this.count=0,this.lastRead=Promise.resolve({value:null,done:!1})}summary(){return`${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}}}},V8=class extends qt{constructor(e,t){super();this.upstream=e,this.transform=t}summary(){return`${this.upstream.summary()} -> AsyncMap`}async next(){let e=await this.upstream.next();if(e.done)return{value:null,done:!0};let t=Aa.getTensorsInContainer(e.value),n=await this.transform(e.value),a=Aa.getTensorsInContainer(n);for(let r of t)Aa.isTensorInList(r,a)||r.dispose();return{value:n,done:!1}}},C2=class extends qt{constructor(){super();this.outputQueue=new T2,this.lastRead=Promise.resolve({value:null,done:!1})}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}async serialNext(){for(;this.outputQueue.length()===0;)if(!await this.pump())return{value:null,done:!0};return{value:this.outputQueue.shift(),done:!1}}},Xse=class extends C2{constructor(e,t){super();this.upstream=e,this.transform=t}summary(){return`${this.upstream.summary()} -> Flatmap`}async pump(){let e=await this.upstream.next();if(e.done)return!1;let t=Aa.getTensorsInContainer(e.value),n=this.transform(e.value),a=Aa.getTensorsInContainer(n);this.outputQueue.pushAll(n);for(let r of t)Aa.isTensorInList(r,a)||r.dispose();return!0}},B8=class extends qt{constructor(e,t){super();this.baseErrorHandler=t,this.lastRead=null,this.iterator=null,this.moreIterators=e}summary(){return"TODO: fill in upstream of chained summaries -> Chained"}async next(){return this.lastRead=this.readFromChain(this.lastRead),this.lastRead}async readFromChain(e){if(await e,this.iterator==null){let n=await this.moreIterators.next();if(n.done)return{value:null,done:!0};this.iterator=n.value,this.baseErrorHandler!=null&&(this.iterator=this.iterator.handleErrors(this.baseErrorHandler))}let t=await this.iterator.next();return t.done?(this.iterator=null,this.readFromChain(e)):t}},Xr;(function(e){e[e.FAIL=0]="FAIL",e[e.SHORTEST=1]="SHORTEST",e[e.LONGEST=2]="LONGEST"})(Xr||(Xr={}));var Lse=class extends qt{constructor(e,t=Xr.FAIL){super();this.iterators=e,this.mismatchMode=t,this.count=0,this.currentPromise=null}summary(){return"{TODO: fill in upstream of zip summaries} -> Zip"}async nextState(e){await e;let t=0,n=0;function a(s){return s instanceof qt?{value:s.next().then(i=>(t++,i.done&&n++,i.value)),recurse:!1}:{value:null,recurse:!0}}let r=await P8(this.iterators,a);if(t===n)return{value:null,done:!0};if(n>0)switch(this.mismatchMode){case Xr.FAIL:throw new Error(`Zipped streams should have the same length. Mismatched at element ${this.count}.`);case Xr.SHORTEST:return{value:null,done:!0};case Xr.LONGEST:default:}return this.count++,{value:r,done:!1}}async next(){return this.currentPromise=this.nextState(this.currentPromise),this.currentPromise}},j8=class extends qt{constructor(e,t){super();this.upstream=e,this.bufferSize=t,this.buffer=new L8(t)}summary(){return`${this.upstream.summary()} -> Prefetch`}refill(){for(;!this.buffer.isFull();){let e=this.upstream.next();this.buffer.push(e)}}next(){return this.refill(),this.buffer.shift()}},Kse=class extends j8{constructor(e,t,n){super(e,t);this.upstream=e,this.windowSize=t,this.upstreamExhausted=!1,this.random=Cse.alea(n||w.now().toString()),this.lastRead=Promise.resolve({value:null,done:!1})}async next(){return this.lastRead=this.lastRead.then(()=>this.serialNext()),this.lastRead}randomInt(e){return Math.floor(this.random()*e)}chooseIndex(){return this.randomInt(this.buffer.length())}async serialNext(){for(this.upstreamExhausted||this.refill();!this.buffer.isEmpty();){let e=this.chooseIndex(),t=await this.buffer.shuffleExcise(e);if(t.done)this.upstreamExhausted=!0;else return this.refill(),t}return{value:null,done:!0}}},Ul=class{constructor(){this.size=null}batch(e,t=!0){let n=this;w.assert(e>0,()=>`batchSize needs to be positive, but it is
${e}`);let a;return this.size===Infinity||this.size==null?a=this.size:t?a=Math.ceil(this.size/e):a=Math.floor(this.size/e),Wn(async()=>(await n.iterator()).columnMajorBatch(e,t,Zse),a)}concatenate(e){let t=this,n;return this.size===Infinity||e.size===Infinity?n=Infinity:this.size!=null&&e.size!=null?n=this.size+e.size:n=null,Wn(async()=>(await t.iterator()).concatenate(await e.iterator()),n)}filter(e){let t=this,n;return this.size===Infinity?n=Infinity:n=null,Wn(async()=>(await t.iterator()).filter(a=>L(()=>e(a))),n)}async forEachAsync(e){return(await this.iterator()).forEachAsync(e)}map(e){let t=this;return Wn(async()=>(await t.iterator()).map(n=>L(()=>e(n))),this.size)}mapAsync(e){let t=this;return Wn(async()=>(await t.iterator()).mapAsync(e),this.size)}prefetch(e){if(e==null)throw new RangeError("`Dataset.prefetch()` requires bufferSize to be specified.");let t=this;return Wn(async()=>(await t.iterator()).prefetch(e),this.size)}repeat(e){let t=this,n;return this.size!=null&&e>0?n=this.size*e:e===0?n=0:this.size!=null&&(e===void 0||e<0)?n=Infinity:n=null,Wn(async()=>{let a=E2(async()=>({value:await t.iterator(),done:!1}));return Pse(a.take(e))},n)}skip(e){let t=this,n;return this.size!=null&&e>=0&&this.size>=e?n=this.size-e:this.size!=null&&(this.size<e||e===void 0||e<0)?n=0:n=null,Wn(async()=>(await t.iterator()).skip(e),n)}shuffle(e,t,n=!0){if(e==null||e<0)throw this.size==null?new RangeError("`Dataset.shuffle()` requires bufferSize to be specified."):new RangeError(`\`Dataset.shuffle()\` requires bufferSize to be specified. If your data fits in main memory (for regular JS objects), and/or GPU memory (for \`tf.Tensor\`s), consider setting bufferSize to the dataset size (${this.size} elements)`);let a=this,r=Ese.alea(t||w.now().toString());return Wn(async()=>{let s=r.int32();return n&&(s+=r.int32()),(await a.iterator()).shuffle(e,s.toString())},this.size)}take(e){let t=this,n;return this.size!=null&&this.size>e?n=e:this.size!=null&&this.size<=e?n=this.size:n=null,Wn(async()=>(await t.iterator()).take(e),n)}async toArray(){if(this.size===Infinity)throw new Error("Can not convert infinite data stream to array.");return(await this.iterator()).toArray()}async toArrayForTest(){if(this.size===Infinity)throw new Error("Can not convert infinite data stream to array.");return(await this.iterator()).toArrayForTest()}};Ul.MAX_BUFFER_SIZE=1e4;function Wn(e,t=null){return new class extends Ul{constructor(){super(...arguments);this.size=t}async iterator(){return e()}}}function bse(e){return Wn(async()=>W8(e),e.length)}function vse(e){if(!Hl(e))throw new Error("The argument to zip() must be an object or array.");let t;if(Array.isArray(e))for(let n=0;n<e.length;n++)t=t==null?e[n].size:Math.min(t,e[n].size);else if(e instanceof Object)for(let n in e)t=t==null?e[n].size:Math.min(t,e[n].size);return Wn(async()=>{let n=await P8(e,a=>{if(a instanceof Ul)return{value:a.iterator(),recurse:!1};if(Hl(a))return{value:null,recurse:!0};throw new Error("Leaves of the structure passed to zip() must be Datasets, not primitives.")});return Wse(n,Xr.SHORTEST)},t)}function Zse(e){if(e===null)return null;let t=e[0];return $se(t)?{value:Yse(e),recurse:!1}:{value:null,recurse:!0}}function Yse(e){if(e.length===0)throw new Error("Can't make a batch of zero elements.");return e[0]instanceof Le?zn(e):ga(e)}var F8=class extends Ul{constructor(e){super();this.input=e}async iterator(){return(await this.input.iterator()).decodeUTF8().split(`
`).map(e=>(e.endsWith("\r")&&(e=e.slice(0,-1)),e))}},u0='"',jd=Symbol("out"),U8=Symbol("field"),d0=Symbol("quote"),R2=Symbol("quoteafterquote"),H8=Symbol("quoteinquote"),$8=class extends Ul{constructor(e,t){super();this.input=e,this.hasHeader=!0,this.fullColumnNames=null,this.columnNamesValidated=!1,this.columnConfigs=null,this.configuredColumnsOnly=!1,this.delimiter=",",this.delimWhitespace=!1,this.base=new F8(e),t||(t={}),this.hasHeader=t.hasHeader!==!1,this.fullColumnNames=t.columnNames,this.columnConfigs=t.columnConfigs,this.configuredColumnsOnly=t.configuredColumnsOnly,t.delimWhitespace?(w.assert(t.delimiter==null,()=>"Delimiter should not be provided when delimWhitespace is true."),this.delimWhitespace=!0,this.delimiter=" "):this.delimiter=t.delimiter?t.delimiter:","}async columnNames(){return this.columnNamesValidated||await this.setColumnNames(),this.configuredColumnsOnly?Object.keys(this.columnConfigs):this.fullColumnNames}async setColumnNames(){let e=await this.maybeReadHeaderLine();if(!this.fullColumnNames&&!e)throw new Error("Column names must be provided if there is no header line.");this.fullColumnNames&&e&&w.assert(e.length===this.fullColumnNames.length,()=>"The length of provided columnNames ("+this.fullColumnNames.length.toString()+") does not match the length of the header line read from file ("+e.length.toString()+")."),this.fullColumnNames||(this.fullColumnNames=e);let t=this.fullColumnNames.reduce((a,r)=>(a[r]=a[r]+1||1,a),{}),n=Object.keys(t).filter(a=>t[a]>1);if(w.assert(n.length===0,()=>"Duplicate column names found: "+n.toString()),this.columnConfigs){for(let a of Object.keys(this.columnConfigs))if(this.fullColumnNames.indexOf(a)===-1)throw new Error('The key "'+a+'" provided in columnConfigs does not match any of the column names ('+this.fullColumnNames.toString()+").")}this.columnNamesValidated=!0}async maybeReadHeaderLine(){if(this.hasHeader){let e=await(await this.base.iterator()).next();if(e.done)throw new Error("No data was found for CSV parsing.");let t=e.value;return this.parseRow(t,!1)}else return null}async iterator(){this.columnNamesValidated||await this.setColumnNames();let e=await this.base.iterator();return this.hasHeader&&(e=e.skip(1)),e.map(t=>this.makeDataElement(t))}makeDataElement(e){let t=this.parseRow(e),n={},a={};for(let r=0;r<this.fullColumnNames.length;r++){let s=this.fullColumnNames[r],i=this.columnConfigs?this.columnConfigs[s]:null;if(!(this.configuredColumnsOnly&&!i)){let o=t[r],l=null;if(o==="")if(i&&i.default!==void 0)l=i.default;else{if(i&&(i.required||i.isLabel))throw new Error(`Required column ${s} is empty in this line: ${e}`);l=void 0}else{let d=Number(o);if(isNaN(d))i&&i.dtype==="bool"?l=this.getBoolean(o):l=o;else if(!i||!i.dtype)l=d;else switch(i.dtype){case"float32":l=d;break;case"int32":l=Math.floor(d);break;case"bool":l=this.getBoolean(o);break;default:l=d}}i&&i.isLabel?a[s]=l:n[s]=l}}return Object.keys(a).length===0?n:{xs:n,ys:a}}getBoolean(e){return e==="1"||e.toLowerCase()==="true"?1:0}parseRow(e,t=!0){let n=[],a=0,r=e.length,s=jd;for(let i=0;i<r;i++)switch(s){case jd:switch(e.charAt(i)){case u0:a=i+1,s=d0;break;case this.delimiter:if(a=i+1,this.delimiter===" "&&this.delimWhitespace)break;n.push(""),s=jd;break;default:s=U8,a=i;break}break;case U8:switch(e.charAt(i)){case this.delimiter:n.push(e.substring(a,i)),s=jd,a=i+1;break;default:}break;case d0:switch(e.charAt(i)){case u0:s=R2;break;default:}break;case R2:switch(e.charAt(i)){case this.delimiter:n.push(e.substring(a,i-1)),s=jd,a=i+1;break;case u0:s=d0;break;default:s=H8;break}break;case H8:switch(e.charAt(i)){case u0:s=d0;break;default:}break;default:}if(s===R2?n.push(e.substring(a,r-1)):n.push(e.substring(a)),t&&n.length!==this.fullColumnNames.length)throw new Error(`Invalid row in csv file. Should have ${this.fullColumnNames.length} elements in a row, but got ${n}`);return n}},G8=class extends qt{constructor(e){super();this.microphoneConfig=e,this.isClosed=!1,this.fftSize=e.fftSize||1024;let t=Math.log2(this.fftSize);if(this.fftSize<0||t<4||t>14||!Number.isInteger(t))throw new Error(`Invalid fftSize: it must be a power of 2 between 2 to 4 and 2 to 14, but got ${this.fftSize}`);if(this.numFrames=e.numFramesPerSpectrogram||43,this.sampleRateHz=e.sampleRateHz,this.columnTruncateLength=e.columnTruncateLength||this.fftSize,this.audioTrackConstraints=e.audioTrackConstraints,this.smoothingTimeConstant=e.smoothingTimeConstant||0,this.includeSpectrogram=e.includeSpectrogram!==!1,this.includeWaveform=e.includeWaveform===!0,!this.includeSpectrogram&&!this.includeWaveform)throw new Error("Both includeSpectrogram and includeWaveform are false. At least one type of data should be returned.")}summary(){return"microphone"}static async create(e={}){if(J().get("IS_NODE"))throw new Error("microphone API is only supported in browser environment.");let t=new G8(e);return await t.start(),t}async start(){try{this.stream=await navigator.mediaDevices.getUserMedia({audio:this.audioTrackConstraints==null?!0:this.audioTrackConstraints,video:!1})}catch(n){throw new Error(`Error thrown while initializing video stream: ${n.message}`)}if(!this.stream)throw new Error("Could not obtain audio from microphone.");let e=window.AudioContext||window.webkitAudioContext;if(this.audioContext=new e,!this.sampleRateHz)this.sampleRateHz=this.audioContext.sampleRate;else if(this.audioContext.sampleRate!==this.sampleRateHz)throw new Error(`Mismatch in sampling rate: Expected: ${this.sampleRateHz}; Actual: ${this.audioContext.sampleRate}`);let t=this.audioContext.createMediaStreamSource(this.stream);this.analyser=this.audioContext.createAnalyser(),this.analyser.fftSize=this.fftSize*2,this.analyser.smoothingTimeConstant=this.smoothingTimeConstant,t.connect(this.analyser),this.freqData=new Float32Array(this.fftSize),this.timeData=new Float32Array(this.fftSize)}async next(){if(this.isClosed)return{value:null,done:!0};let e,t,n=await this.getAudioData();if(this.includeSpectrogram){let a=this.flattenQueue(n.freqDataQueue);e=this.getTensorFromAudioDataArray(a,[this.numFrames,this.columnTruncateLength,1])}if(this.includeWaveform){let a=this.flattenQueue(n.timeDataQueue);t=this.getTensorFromAudioDataArray(a,[this.numFrames*this.fftSize,1])}return{value:{spectrogram:e,waveform:t},done:!1}}async capture(){return(await this.next()).value}async getAudioData(){let e=[],t=[],n=0;return new Promise(a=>{let r=setInterval(()=>{this.includeSpectrogram&&(this.analyser.getFloatFrequencyData(this.freqData),this.freqData[0]===-Infinity&&a({freqDataQueue:e,timeDataQueue:t}),e.push(this.freqData.slice(0,this.columnTruncateLength))),this.includeWaveform&&(this.analyser.getFloatTimeDomainData(this.timeData),t.push(this.timeData.slice())),++n===this.numFrames&&(clearInterval(r),a({freqDataQueue:e,timeDataQueue:t}))},this.fftSize/this.sampleRateHz*1e3)})}stop(){this.isClosed||(this.isClosed=!0,this.analyser.disconnect(),this.audioContext.close(),this.stream!=null&&this.stream.getTracks().length>0&&this.stream.getTracks()[0].stop())}toArray(){throw new Error("Can not convert infinite audio stream to array.")}getSampleRate(){return this.sampleRateHz}flattenQueue(e){let t=e[0].length,n=new Float32Array(e.length*t);return e.forEach((a,r)=>n.set(a,r*t)),n}getTensorFromAudioDataArray(e,t){let n=new Float32Array(w.sizeFromShape(t));return n.set(e,n.length-e.length),ga(n,t)}},q8=class extends qt{constructor(e,t){super();if(this.webcamVideoElement=e,this.webcamConfig=t,this.isClosed=!0,this.resize=!1,this.needToResize())if(this.resize=!0,this.cropSize=[this.webcamConfig.resizeHeight,this.webcamConfig.resizeWidth],this.cropBoxInd=nn([0],"int32"),this.webcamConfig.centerCrop){let n=this.webcamConfig.resizeWidth*1/this.webcamVideoElement.width,a=this.webcamConfig.resizeHeight*1/this.webcamVideoElement.height,r=(1-n)/2,s=(1-a)/2,i=r+n,o=a+s;this.cropBox=Kn([s,r,o,i],[1,4])}else this.cropBox=Kn([0,0,1,1],[1,4])}summary(){return"webcam"}static async create(e,t={}){if(J().get("IS_NODE"))throw new Error("tf.data.webcam is only supported in browser environment.");if(!e){if(e=document.createElement("video"),!t.resizeWidth||!t.resizeHeight)throw new Error("Please provide webcam video element, or resizeWidth and resizeHeight to create a hidden video element.");e.width=t.resizeWidth,e.height=t.resizeHeight}let n=new q8(e,t);return await n.start(),n}async start(){this.webcamConfig.facingMode&&w.assert(this.webcamConfig.facingMode==="user"||this.webcamConfig.facingMode==="environment",()=>`Invalid webcam facing mode: ${this.webcamConfig.facingMode}. Please provide 'user' or 'environment'`);try{this.stream=await navigator.mediaDevices.getUserMedia({video:{deviceId:this.webcamConfig.deviceId,facingMode:this.webcamConfig.facingMode?this.webcamConfig.facingMode:"user",width:this.webcamVideoElement.width,height:this.webcamVideoElement.height}})}catch(e){throw e.message=`Error thrown while initializing video stream: ${e.message}`,e}if(!this.stream)throw new Error("Could not obtain video from webcam.");try{this.webcamVideoElement.srcObject=this.stream}catch(e){console.log(e),this.webcamVideoElement.src=window.URL.createObjectURL(this.stream)}return this.webcamVideoElement.play(),this.isClosed=!1,new Promise(e=>{this.webcamVideoElement.onloadedmetadata=()=>{e()}})}async next(){if(this.isClosed)return{value:null,done:!0};let e;try{e=oi.fromPixels(this.webcamVideoElement)}catch(t){throw new Error(`Error thrown converting video to pixels: 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uie=[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],die=[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],pie=[33,133,362,263,1,78,308],Xie=uie.map(e=>Hd[e]),Kie=die.map(e=>Hd[e]),Zie=pie.map(e=>Hd[e]);var D2=Xa.leftEyeLower0,O2=Xa.rightEyeLower0,Xl={leftBounds:[D2[0],D2[D2.length-1]],rightBounds:[O2[0],O2[O2.length-1]]},m0={count:468,mouth:13,symmetryLine:[13,Xa.midwayBetweenEyes[0]]},uk={leftEye:0,rightEye:1,nose:2,mouth:3,leftEar:4,rightEar:5,symmetryLine:[3,2]},Kl={upperCenter:3,lowerCenter:4,index:71,numCoordinates:76};function A0(e,t,n,a){for(let r=0;r<$2.length;r++){let{key:s,indices:i}=$2[r],o=Xa[`${n}${s}`];if(!a||a.includes(s))for(let l=0;l<i.length;l++){let d=i[l];e[o[l]]=[t[d][0],t[d][1],(t[d][2]+e[o[l]][2])/2]}}}var z2=class{constructor(t,n,a){var r,s;this.storedBoxes=[],this.boundingBoxDetector=t,this.meshDetector=n,this.irisModel=a,this.boxSize=((r=t==null?void 0:t.model)==null?void 0:r.inputs[0].shape[2])||0,this.meshSize=(n==null?void 0:n.inputs[0].shape[2])||((s=t==null?void 0:t.model)==null?void 0:s.inputs[0].shape[2]),this.irisSize=(a==null?void 0:a.inputs[0].shape[1])||0,this.irisEnlarge=2.3,this.skipped=0,this.detectedFaces=0}transformRawCoords(t,n,a,r){let s=Ud({startPoint:n.startPoint,endPoint:n.endPoint}),i=t.map(p=>[s[0]/this.meshSize*(p[0]-this.meshSize/2),s[1]/this.meshSize*(p[1]-this.meshSize/2),p[2]]),o=a!==0?f0(a,[0,0]):h0,l=a!==0?i.map(p=>[...rk(p,o),p[2]]):i,d=a!==0?ak(r):h0,u=[...Gl({startPoint:n.startPoint,endPoint:n.endPoint}),1];return l.map(p=>[p[0]+Kr(u,d[0]),p[1]+Kr(u,d[1]),p[2]])}getLeftToRightEyeDepthDifference(t){let n=t[Xl.leftBounds[0]][2],a=t[Xl.rightBounds[0]][2];return n-a}getEyeBox(t,n,a,r,s=!1){let i=c0(p0(M2([t[a],t[r]]),this.irisEnlarge)),o=Ud(i),l=Ye.cropAndResize(n,[[i.startPoint[1]/this.meshSize,i.startPoint[0]/this.meshSize,i.endPoint[1]/this.meshSize,i.endPoint[0]/this.meshSize]],[0],[this.irisSize,this.irisSize]);return s&&ma.flags.IS_BROWSER&&(l=Ye.flipLeftRight(l)),{box:i,boxSize:o,crop:l}}getEyeCoords(t,n,a,r=!1){let s=[];for(let i=0;i<Kl.numCoordinates;i++){let o=t[i*3],l=t[i*3+1],d=t[i*3+2];s.push([(r?1-o/this.irisSize:o/this.irisSize)*a[0]+n.startPoint[0],l/this.irisSize*a[1]+n.startPoint[1],d])}return{rawCoords:s,iris:s.slice(Kl.index)}}getAdjustedIrisCoords(t,n,a){let r=t[Xa[`${a}EyeUpper0`][Kl.upperCenter]][2],s=t[Xa[`${a}EyeLower0`][Kl.lowerCenter]][2],i=(r+s)/2;return n.map((o,l)=>{let d=i;return l===2?d=r:l===4&&(d=s),[o[0],o[1],d]})}async predict(t,n){let a=!1,r;if((this.skipped===0||this.skipped>n.face.detector.skipFrames||!n.face.mesh.enabled||!n.videoOptimized)&&(r=await this.boundingBoxDetector.getBoundingBoxes(t),this.skipped=0),n.videoOptimized&&this.skipped++,!n.videoOptimized||r&&r.boxes&&(!n.face.mesh.enabled||r.boxes.length!==this.detectedFaces&&this.detectedFaces!==n.face.detector.maxDetected)){this.storedBoxes=[],this.detectedFaces=0;for(let i of r.boxes)this.storedBoxes.push({startPoint:i.box.startPoint.dataSync(),endPoint:i.box.endPoint.dataSync(),landmarks:i.landmarks,confidence:i.confidence});this.storedBoxes.length>0&&(a=!0)}if(n.face.detector.skipInitial&&this.detectedFaces===0&&(this.skipped=0),a){if(!r||!r.boxes||r.boxes.length===0)return this.storedBoxes=[],this.detectedFaces=0,null;for(let i=0;i<this.storedBoxes.length;i++){let o=Q8({startPoint:this.storedBoxes[i].startPoint,endPoint:this.storedBoxes[i].endPoint},r.scaleFactor),l=p0(o),d=c0(l),u=this.storedBoxes[i].landmarks.arraySync(),p=this.storedBoxes[i].confidence;this.storedBoxes[i]={...d,confidence:p,landmarks:u}}}r&&r.boxes&&r.boxes.forEach(i=>{i.box.startPoint.dispose(),i.box.endPoint.dispose(),i.landmarks.dispose()});let s=L(()=>this.storedBoxes.map((i,o)=>{let l=i.confidence,d,u=0,p;if(n.face.detector.rotation&&n.face.mesh.enabled&&ma.flags.IS_BROWSER){let[b,v]=i.landmarks.length>=m0.count?m0.symmetryLine:uk.symmetryLine;u=F2(i.landmarks[b],i.landmarks[v]);let I=Gl({startPoint:i.startPoint,endPoint:i.endPoint}),T=[I[0]/t.shape[2],I[1]/t.shape[1]],R=Ye.rotateWithOffset(t,u,0,T);p=f0(-u,I),n.face.mesh.enabled?d=ql({startPoint:i.startPoint,endPoint:i.endPoint},R,[this.meshSize,this.meshSize]).div(255):d=ql({startPoint:i.startPoint,endPoint:i.endPoint},R,[this.boxSize,this.boxSize]).div(255)}else{p=h0;let b=t.clone();n.face.mesh.enabled?d=ql({startPoint:i.startPoint,endPoint:i.endPoint},b,[this.meshSize,this.meshSize]).div(255):d=ql({startPoint:i.startPoint,endPoint:i.endPoint},b,[this.boxSize,this.boxSize]).div(255)}if(!n.face.mesh.enabled)return{coords:null,box:i,faceConfidence:null,boxConfidence:l,confidence:i.confidence,image:d};let[,c,h]=this.meshDetector.predict(d),m=c.dataSync()[0];if(m<n.face.detector.minConfidence)return null;let A=H(h,[-1,3]).arraySync();if(n.face.iris.enabled){let{box:b,boxSize:v,crop:I}=this.getEyeBox(A,d,Xl.leftBounds[0],Xl.leftBounds[1],!0),{box:T,boxSize:R,crop:$}=this.getEyeBox(A,d,Xl.rightBounds[0],Xl.rightBounds[1]),_=this.irisModel.predict(ot([I,$])).dataSync(),V=_.slice(0,Kl.numCoordinates*3),{rawCoords:j,iris:U}=this.getEyeCoords(V,b,v,!0),X=_.slice(Kl.numCoordinates*3),{rawCoords:G,iris:ee}=this.getEyeCoords(X,T,R),Y=this.getLeftToRightEyeDepthDifference(A);Math.abs(Y)<30?(A0(A,j,"left",null),A0(A,G,"right",null)):Y<1?A0(A,j,"left",["EyeUpper0","EyeLower0"]):A0(A,G,"right",["EyeUpper0","EyeLower0"]);let re=this.getAdjustedIrisCoords(A,U,"left"),te=this.getAdjustedIrisCoords(A,ee,"right");A=A.concat(re).concat(te)}let y=this.transformRawCoords(A,i,u,p);i=p0(M2(y),1.5);let g=Kn(y);if(n.face.detector.rotation&&n.face.mesh.enabled&&n.face.description.enabled&&ma.flags.IS_BROWSER){let[b,v]=i.landmarks.length>=m0.count?m0.symmetryLine:uk.symmetryLine;u=F2(i.landmarks[b],i.landmarks[v]);let I=Gl({startPoint:i.startPoint,endPoint:i.endPoint}),T=[I[0]/t.shape[2],I[1]/t.shape[1]],R=Ye.rotateWithOffset(t.toFloat(),u,0,T);p=f0(-u,I),d=ql({startPoint:i.startPoint,endPoint:i.endPoint},R,[this.meshSize,this.meshSize]).div(255)}let x={coords:g,box:i,faceConfidence:m,boxConfidence:l,image:d,rawCoords:A},k=c0(i);return this.storedBoxes[o]={...k,landmarks:y,confidence:i.confidence,faceConfidence:m},x}));return s=s.filter(i=>i!==null),n.face.mesh.enabled&&(this.storedBoxes=this.storedBoxes.filter(i=>i.faceConfidence>n.face.detector.minConfidence)),this.detectedFaces=s.length,s}};var Wt=[null,null,null],P2;async function L2(e,t){let n=await P2.predict(e,t),a=[];for(let r of n||[]){if(r.isDisposedInternal)continue;let s=r.coords?r.coords.arraySync():[],i=s.map(u=>[u[0]/e.shape[2],u[1]/e.shape[1],u[2]/P2.meshSize]),o={};if(s&&s.length>0)for(let u of Object.keys(Xa))o[u]=Xa[u].map(p=>s[p]);let l=r.box?[Math.max(0,r.box.startPoint[0]),Math.max(0,r.box.startPoint[1]),Math.min(e.shape[2],r.box.endPoint[0])-Math.max(0,r.box.startPoint[0]),Math.min(e.shape[1],r.box.endPoint[1])-Math.max(0,r.box.startPoint[1])]:0,d=r.box?[r.box.startPoint[0]/e.shape[2],r.box.startPoint[1]/e.shape[1],(r.box.endPoint[0]-r.box.startPoint[0])/e.shape[2],(r.box.endPoint[1]-r.box.startPoint[1])/e.shape[1]]:[];a.push({confidence:Math.round(100*r.faceConfidence||100*r.boxConfidence||0)/100,boxConfidence:Math.round(100*r.boxConfidence)/100,faceConfidence:Math.round(100*r.faceConfidence)/100,box:l,boxRaw:d,mesh:s,meshRaw:i,annotations:o,image:r.image?r.image.clone():null}),r.coords&&r.coords.dispose(),r.image&&r.image.dispose()}return a}async function W2(e){return!Wt[0]&&e.face.enabled||!Wt[1]&&e.face.mesh.enabled||!Wt[2]&&e.face.iris.enabled?(Wt=await Promise.all([!Wt[0]&&e.face.enabled?lk(e):null,!Wt[1]&&e.face.mesh.enabled?Gt(Yt(e.modelBasePath,e.face.mesh.modelPath),{fromTFHub:e.face.mesh.modelPath.includes("tfhub.dev")}):null,!Wt[2]&&e.face.iris.enabled?Gt(Yt(e.modelBasePath,e.face.iris.modelPath),{fromTFHub:e.face.iris.modelPath.includes("tfhub.dev")}):null]),e.face.mesh.enabled&&(!Wt[1]||!Wt[1].modelUrl?he("load model failed:",e.face.mesh.modelPath):e.debug&&he("load model:",Wt[1].modelUrl)),e.face.iris.enabled&&(!Wt[2]||!Wt[1].modelUrl?he("load model failed:",e.face.iris.modelPath):e.debug&&he("load model:",Wt[2].modelUrl))):e.debug&&(he("cached model:",Wt[0].model.modelUrl),he("cached model:",Wt[1].modelUrl),he("cached model:",Wt[2].modelUrl)),P2=new z2(Wt[0],Wt[1],Wt[2]),Wt}var dk=zi,pk=Hd;var B2={};Fa(B2,{load:()=>U2,predict:()=>g0});var cie=["angry","disgust","fear","happy","sad","surprise","neutral"],Ca,V2=[],y0=Number.MAX_SAFE_INTEGER,j2=[.2989,.587,.114];async function U2(e){return Ca?e.debug&&he("cached model:",Ca.modelUrl):(Ca=await Gt(Yt(e.modelBasePath,e.face.emotion.modelPath)),!Ca||!Ca.modelUrl?he("load model failed:",e.face.emotion.modelPath):e.debug&&he("load model:",Ca.modelUrl)),Ca}async function g0(e,t){return Ca?y0<t.face.emotion.skipFrames&&t.videoOptimized&&V2.length>0?(y0++,V2):(t.videoOptimized?y0=0:y0=Number.MAX_SAFE_INTEGER,new Promise(async n=>{let a=Ye.resizeBilinear(e,[Ca.inputs[0].shape[2],Ca.inputs[0].shape[1]],!1),[r,s,i]=ln(a,3,3);a.dispose();let o=B(r,j2[0]),l=B(s,j2[1]),d=B(i,j2[2]);r.dispose(),s.dispose(),i.dispose();let u=mc([o,l,d]);o.dispose(),l.dispose(),d.dispose();let p=L(()=>u.sub(.5).mul(2));u.dispose();let c=[];if(t.face.emotion.enabled){let h=await Ca.predict(p),m=h.dataSync();Ee(h);for(let f=0;f<m.length;f++)m[f]>t.face.emotion.minConfidence&&c.push({score:Math.min(.99,Math.trunc(100*m[f])/100),emotion:cie[f]});c.sort((f,A)=>A.score-f.score)}p.dispose(),V2=c,n(c)})):null}var H2={};Fa(H2,{enhance:()=>X2,load:()=>G2,match:()=>ck,predict:()=>v0,similarity:()=>q2});var ea,x0={age:0},b0=Number.MAX_SAFE_INTEGER;async function G2(e){return ea?e.debug&&he("cached model:",ea.modelUrl):(ea=await Gt(Yt(e.modelBasePath,e.face.description.modelPath)),!ea||!ea.modelUrl?he("load model failed:",e.face.description.modelPath):e.debug&&he("load model:",ea.modelUrl)),ea}function q2(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 a=5*e.map((s,i)=>Math.abs(e[i]-t[i])**n).reduce((s,i)=>s+i,0)**(1/n);return Math.max(0,100-a)/100}function ck(e,t,n=0){let a={similarity:0,name:"",source:"",embedding:[]};if(!e||!t||!Array.isArray(e)||!Array.isArray(t))return a;for(let r of t)if(r.embedding&&r.name){let s=q2(e,r.embedding);s>n&&s>a.similarity&&(a={...r,similarity:s})}return a}function X2(e){return L(()=>{let n=e.image||e.tensor||e;if(!(n instanceof Le))return null;let a=[[.05,.15,.85,.85]];return(n.shape.length===3?Ye.cropAndResize(on(n,0),a,[0],[ea.inputs[0].shape[2],ea.inputs[0].shape[1]]):Ye.cropAndResize(n,a,[0],[ea.inputs[0].shape[2],ea.inputs[0].shape[1]])).mul(255)})}async function v0(e,t){return ea?b0<t.face.description.skipFrames&&t.videoOptimized&&x0.age&&x0.age>0?(b0++,x0):(t.videoOptimized?b0=0:b0=Number.MAX_SAFE_INTEGER,new Promise(async n=>{let a=X2(e),r,s={age:0,gender:"unknown",genderConfidence:0,descriptor:[]};t.face.description.enabled&&(r=await ea.predict(a)),Ee(a),r&&(L(()=>{let i=r.find(p=>p.shape[1]===1).dataSync(),o=Math.trunc(200*Math.abs(i[0]-.5))/100;o>t.face.description.minConfidence&&(s.gender=i[0]<=.5?"female":"male",s.genderConfidence=Math.min(.99,o));let l=r.find(p=>p.shape[1]===100).argMax(1).dataSync()[0],d=r.find(p=>p.shape[1]===100).dataSync();s.age=Math.round(d[l-1]>d[l+1]?10*l-100*d[l-1]:10*l+100*d[l+1])/10;let u=r.find(p=>p.shape[1]===1024);s.descriptor=[...u.dataSync()]}),r.forEach(i=>Ee(i))),x0=s,n(s)})):null}var hie=(e,t)=>{let n=A=>A*180/Math.PI,a=A=>{let y=Math.sqrt(A[0]*A[0]+A[1]*A[1]+A[2]*A[2]);return A[0]/=y,A[1]/=y,A[2]/=y,A},r=(A,y)=>{let g=A[0]-y[0],x=A[1]-y[1],k=A[2]-y[2];return[g,x,k]},s=(A,y)=>{let g=A[1]*y[2]-A[2]*y[1],x=A[2]*y[0]-A[0]*y[2],k=A[0]*y[1]-A[1]*y[0];return[g,x,k]},i=A=>{let[y,g,x,k,b,v,I,T,R]=A,$,z,_;return k<1?k>-1?(_=Math.asin(k),z=Math.atan2(-I,y),$=Math.atan2(-v,b)):(_=-Math.PI/2,z=-Math.atan2(T,R),$=0):(_=Math.PI/2,z=Math.atan2(T,R),$=0),{pitch:2*-$,yaw:2*-z,roll:2*-_}},o=A=>{let y=(x,k,b,v)=>Math.atan2(v-k,b-x);return{pitch:y(A[10][1],A[10][2],A[152][1],A[152][2]),yaw:y(A[33][0],A[33][2],A[263][0],A[263][2]),roll:y(A[33][0],A[33][1],A[263][0],A[263][1])}},l=e.meshRaw;if(!l||l.length<300)return{angle:{pitch:0,yaw:0,roll:0},matrix:[1,0,0,0,1,0,0,0,1]};let d=Math.max(e.boxRaw[2]*t[0],e.boxRaw[3]*t[1])/1.5,u=[l[10],l[152],l[234],l[454]].map(A=>[A[0]*t[0]/d,A[1]*t[1]/d,A[2]]),p=a(r(u[1],u[0])),c=a(r(u[3],u[2])),h=a(s(c,p));c=s(p,h);let m=[c[0],c[1],c[2],p[0],p[1],p[2],h[0],h[1],h[2]];return{angle:i(m),matrix:m}},K2=async(e,t)=>{var u,p,c,h,m,f;let n,a,r,s,i,o,l=[];e.state="run:face",n=it();let d=await L2(t,e.config);if(e.perf.face=Math.trunc(it()-n),!d)return[];for(let A of d){if(e.analyze("Get Face"),!A.image||A.image.isDisposedInternal){he("Face object is disposed:",A.image);continue}let y=hie(A,[t.shape[2],t.shape[1]]);e.analyze("Start Emotion:"),e.config.async?s=e.config.face.emotion.enabled?g0(A.image,e.config):{}:(e.state="run:emotion",n=it(),s=e.config.face.emotion.enabled?await g0(A.image,e.config):{},e.perf.emotion=Math.trunc(it()-n)),e.analyze("End Emotion:"),e.analyze("Start Description:"),e.config.async?o=e.config.face.description.enabled?v0(A,e.config):[]:(e.state="run:description",n=it(),o=e.config.face.description.enabled?await v0(A.image,e.config):[],e.perf.embedding=Math.trunc(it()-n)),e.analyze("End Description:"),e.config.async&&([a,r,s,i,o]=await Promise.all([a,r,s,i,o])),e.analyze("Finish Face:"),!e.config.face.iris.enabled&&((u=A==null?void 0:A.annotations)==null?void 0:u.leftEyeIris)&&((p=A==null?void 0:A.annotations)==null?void 0:p.rightEyeIris)&&(delete A.annotations.leftEyeIris,delete A.annotations.rightEyeIris);let g=((c=A.annotations)==null?void 0:c.leftEyeIris)&&((h=A.annotations)==null?void 0:h.rightEyeIris)?11.7*Math.max(Math.abs(A.annotations.leftEyeIris[3][0]-A.annotations.leftEyeIris[1][0]),Math.abs(A.annotations.rightEyeIris[4][1]-A.annotations.rightEyeIris[2][1])):0;l.push({...A,age:o.age,gender:o.gender,genderConfidence:o.genderConfidence,embedding:o.descriptor,emotion:s,iris:g!==0?Math.trunc(g)/100:0,rotation:y,tensor:e.config.face.detector.return?(m=A.image)==null?void 0:m.squeeze():null}),(f=A.image)==null||f.dispose(),e.analyze("End Face")}return e.analyze("End FaceMesh:"),e.config.async&&(e.perf.face&&delete e.perf.face,e.perf.age&&delete e.perf.age,e.perf.gender&&delete e.perf.gender,e.perf.emotion&&delete e.perf.emotion),l};var tg={};Fa(tg,{load:()=>ag,predict:()=>ng});var Gd=["nose","leftEye","rightEye","leftEar","rightEar","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle"],hk=Gd.length,qd=Gd.reduce((e,t,n)=>(e[t]=n,e),{}),fie=[["leftHip","leftShoulder"],["leftElbow","leftShoulder"],["leftElbow","leftWrist"],["leftHip","leftKnee"],["leftKnee","leftAnkle"],["rightHip","rightShoulder"],["rightElbow","rightShoulder"],["rightElbow","rightWrist"],["rightHip","rightKnee"],["rightKnee","rightAnkle"],["leftShoulder","rightShoulder"],["leftHip","rightHip"]],mie=fie.map(([e,t])=>[qd[e],qd[t]]),fk=[["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 mk(e){let t=e.reduce(({maxX:n,maxY:a,minX:r,minY:s},{position:{x:i,y:o}})=>({maxX:Math.max(n,i),maxY:Math.max(a,o),minX:Math.min(r,i),minY:Math.min(s,o)}),{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 Ak(e,[t,n],[a,r]){let s=(o,l,d)=>({score:o.score,box:[Math.trunc(o.box[0]*d),Math.trunc(o.box[1]*l),Math.trunc(o.box[2]*d),Math.trunc(o.box[3]*l)],keypoints:o.keypoints.map(({score:u,part:p,position:c})=>({score:u,part:p,position:{x:Math.trunc(c.x*d),y:Math.trunc(c.y*l)}}))});return e.map(o=>s(o,t/a,n/r))}var Z2=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 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Ye.nonMaxSuppressionAsync(l,i,n.hand.maxDetected,n.hand.iouThreshold,n.hand.minConfidence),u=d.arraySync();s.dispose(),d.dispose();let p=[];for(let c of u)if(i[c]>=n.hand.minConfidence){let h=Me(l,[c,0],[1,-1]),m=Me(r,[c,5],[1,14]),f=L(()=>this.normalizeLandmarks(m,c).reshape([-1,2]));m.dispose(),p.push({box:h,palmLandmarks:f,confidence:i[c]})}return r.dispose(),l.dispose(),p}async estimateHandBounds(t,n){let a=t.shape[1],r=t.shape[2],s=L(()=>t.resizeBilinear([this.inputSize,this.inputSize]).div(127.5).sub(1)),i=await this.getBoxes(s,n);s.dispose();let o=[];if(!i||i.length===0)return o;for(let l of i){let d=l.box.dataSync(),u=d.slice(0,2),p=d.slice(2,4),c=l.palmLandmarks.arraySync();l.box.dispose(),l.palmLandmarks.dispose(),o.push(kk({startPoint:u,endPoint:p,palmLandmarks:c,confidence:l.confidence},[r/this.inputSize,a/this.inputSize]))}return o}};function wie(e){return e-2*Math.PI*Math.floor((e+Math.PI)/(2*Math.PI))}function Sk(e,t){let n=Math.PI/2-Math.atan2(-(t[1]-e[1]),t[0]-e[0]);return wie(n)}var Nk=(e,t)=>[[1,0,e],[0,1,t],[0,0,1]];function Zr(e,t){let n=0;for(let a=0;a<e.length;a++)n+=e[a]*t[a];return n}function kie(e,t){let n=[];for(let a=0;a<e.length;a++)n.push(e[a][t]);return n}function Tk(e,t){let n=[],a=e.length;for(let r=0;r<a;r++){n.push([]);for(let s=0;s<a;s++)n[r].push(Zr(e[r],kie(t,s)))}return n}function sg(e,t){let n=Math.cos(e),a=Math.sin(e),r=[[n,-a,0],[a,n,0],[0,0,1]],s=Nk(t[0],t[1]),i=Tk(s,r),o=Nk(-t[0],-t[1]);return Tk(i,o)}function Ek(e){let t=[[e[0][0],e[1][0]],[e[0][1],e[1][1]]],n=[e[0][2],e[1][2]],a=[-Zr(t[0],n),-Zr(t[1],n)];return[t[0].concat(a[0]),t[1].concat(a[1]),[0,0,1]]}function ig(e,t){return[Zr(e,t[0]),Zr(e,t[1])]}var Iie=5,Ck=1.65,Rk=[0,5,9,13,17,1,2],Sie=0,Nie=2,og=class{constructor(t,n){var a;this.handDetector=t,this.landmarkDetector=n,this.inputSize=(a=this.landmarkDetector)==null?void 0:a.inputs[0].shape[2],this.storedBoxes=[],this.skipped=0,this.detectedHands=0}getBoxForPalmLandmarks(t,n){let a=t.map(s=>ig([...s,1],n)),r=this.calculateLandmarksBoundingBox(a);return I0(S0(r),Iie)}getBoxForHandLandmarks(t){let n=this.calculateLandmarksBoundingBox(t),a=I0(S0(n),Ck);a.palmLandmarks=[];for(let r=0;r<Rk.length;r++)a.palmLandmarks.push(t[Rk[r]].slice(0,2));return a}transformRawCoords(t,n,a,r){let s=k0(n),i=[s[0]/this.inputSize,s[1]/this.inputSize,(s[0]+s[1])/this.inputSize/2],o=t.map(h=>[i[0]*(h[0]-this.inputSize/2),i[1]*(h[1]-this.inputSize/2),i[2]*h[2]]),l=sg(a,[0,0]),d=o.map(h=>[...ig(h,l),h[2]]),u=Ek(r),p=[...Xd(n),1],c=[Zr(p,u[0]),Zr(p,u[1])];return d.map(h=>[h[0]+c[0],h[1]+c[1],h[2]])}async estimateHands(t,n){let a=!1,r;(this.skipped===0||this.skipped>n.hand.skipFrames||!n.hand.landmarks||!n.videoOptimized)&&(r=await this.handDetector.estimateHandBounds(t,n),this.skipped=0),n.videoOptimized&&this.skipped++,r&&r.length>0&&(r.length!==this.detectedHands&&this.detectedHands!==n.hand.maxDetected||!n.hand.landmarks)&&(this.detectedHands=0,this.storedBoxes=[...r],this.storedBoxes.length>0&&(a=!0));let s=[];n.hand.skipInitial&&this.detectedHands===0&&(this.skipped=0);for(let i=0;i<this.storedBoxes.length;i++){let o=this.storedBoxes[i];if(!!o)if(n.hand.landmarks){let l=n.hand.rotation?Sk(o.palmLandmarks[Sie],o.palmLandmarks[Nie]):0,d=Xd(o),u=[d[0]/t.shape[2],d[1]/t.shape[1]],p=n.hand.rotation?Ye.rotateWithOffset(t,l,0,u):t.clone(),c=sg(-l,d),h=a?this.getBoxForPalmLandmarks(o.palmLandmarks,c):o,m=wk(h,p,[this.inputSize,this.inputSize]),f=m.div(255);m.dispose(),p.dispose();let[A,y]=await this.landmarkDetector.predict(f);f.dispose();let g=A.dataSync()[0];if(A.dispose(),g>=n.hand.minConfidence){let x=H(y,[-1,3]),k=x.arraySync();y.dispose(),x.dispose();let b=this.transformRawCoords(k,h,l,c),v=this.getBoxForHandLandmarks(b);this.storedBoxes[i]=v;let I={landmarks:b,confidence:g,box:{topLeft:v.startPoint,bottomRight:v.endPoint}};s.push(I)}else this.storedBoxes[i]=null;y.dispose()}else{let l=I0(S0(o),Ck),d={confidence:o.confidence,box:{topLeft:l.startPoint,bottomRight:l.endPoint}};s.push(d)}}return this.storedBoxes=this.storedBoxes.filter(i=>i!==null),this.detectedHands=s.length,s}calculateLandmarksBoundingBox(t){let n=t.map(i=>i[0]),a=t.map(i=>i[1]),r=[Math.min(...n),Math.min(...a)],s=[Math.max(...n),Math.max(...a)];return{startPoint:r,endPoint:s}}};var Mk={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]},Yr,Jr,Fk;async function ug(e,t){let n=await Fk.estimateHands(e,t);if(!n)return[];let a=[];for(let r of n){let s={};if(r.landmarks)for(let l of Object.keys(Mk))s[l]=Mk[l].map(d=>r.landmarks[d]);let i=r.box?[Math.max(0,r.box.topLeft[0]),Math.max(0,r.box.topLeft[1]),Math.min(e.shape[2],r.box.bottomRight[0])-Math.max(0,r.box.topLeft[0]),Math.min(e.shape[1],r.box.bottomRight[1])-Math.max(0,r.box.topLeft[1])]:[],o=[r.box.topLeft[0]/e.shape[2],r.box.topLeft[1]/e.shape[1],(r.box.bottomRight[0]-r.box.topLeft[0])/e.shape[2],(r.box.bottomRight[1]-r.box.topLeft[1])/e.shape[1]];a.push({confidence:Math.round(100*r.confidence)/100,box:i,boxRaw:o,landmarks:r.landmarks,annotations:s})}return a}async function dg(e){!Yr||!Jr?([Yr,Jr]=await Promise.all([e.hand.enabled?Gt(Yt(e.modelBasePath,e.hand.detector.modelPath),{fromTFHub:e.hand.detector.modelPath.includes("tfhub.dev")}):null,e.hand.landmarks?Gt(Yt(e.modelBasePath,e.hand.skeleton.modelPath),{fromTFHub:e.hand.skeleton.modelPath.includes("tfhub.dev")}):null]),e.hand.enabled&&(!Yr||!Yr.modelUrl?he("load model failed:",e.hand.detector.modelPath):e.debug&&he("load model:",Yr.modelUrl),!Jr||!Jr.modelUrl?he("load model 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fg={};Fa(fg,{load:()=>Ag,predict:()=>yg});var N0=[{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 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phone"},{class:69,label:"microwave"},{class:70,label:"oven"},{class:71,label:"toaster"},{class:72,label:"sink"},{class:73,label:"refrigerator"},{class:74,label:"book"},{class:75,label:"clock"},{class:76,label:"vase"},{class:77,label:"scissors"},{class:78,label:"teddy bear"},{class:79,label:"hair drier"},{class:80,label:"toothbrush"}];var Rn,mg=[],T0=Number.MAX_SAFE_INTEGER,E0=2.5;async function Ag(e){if(Rn)e.debug&&he("cached model:",Rn.modelUrl);else{Rn=await Gt(Yt(e.modelBasePath,e.object.modelPath));let t=Object.values(Rn.modelSignature.inputs);if(Rn.inputSize=Array.isArray(t)?parseInt(t[0].tensorShape.dim[2].size):null,!Rn.inputSize)throw new Error(`Human: Cannot determine model inputSize: ${e.object.modelPath}`);!Rn||!Rn.modelUrl?he("load model failed:",e.object.modelPath):e.debug&&he("load model:",Rn.modelUrl)}return Rn}async function Tie(e,t,n,a){let r=0,s=[];for(let d of[1,2,4])L(()=>{var A,y;let u=d*13,p=(A=e.find(g=>g.shape[1]===u**2&&g.shape[2]===N0.length))==null?void 0:A.squeeze(),c=(y=e.find(g=>g.shape[1]===u**2&&g.shape[2]<N0.length))==null?void 0:y.squeeze(),m=c.reshape([-1,4,c.shape[1]/4]).argMax(2).arraySync(),f=p.arraySync();for(let g=0;g<p.shape[0];g++)for(let x=0;x<p.shape[1];x++){let k=f[g][x];if(k>a.object.minConfidence&&x!==61){let b=(.5+Math.trunc(g%u))/u,v=(.5+Math.trunc(g/u))/u,I=m[g].map(U=>U*(u/d/t)),[T,R]=[b-E0/d*I[0],v-E0/d*I[1]],[$,z]=[b+E0/d*I[2]-T,v+E0/d*I[3]-R],_=[T,R,$,z];_=_.map(U=>Math.max(0,Math.min(U,1)));let V=[_[0]*n[0],_[1]*n[1],_[2]*n[0],_[3]*n[1]],j={id:r++,strideSize:d,score:Math.round(100*k)/100,class:x+1,label:N0[x].label,center:[Math.trunc(n[0]*b),Math.trunc(n[1]*v)],centerRaw:[b,v],box:V.map(U=>Math.trunc(U)),boxRaw:_};s.push(j)}}});e.forEach(d=>Ee(d));let i=s.map(d=>d.boxRaw),o=s.map(d=>d.score),l=[];if(i&&i.length>0){let d=await Ye.nonMaxSuppressionAsync(i,o,a.object.maxDetected,a.object.iouThreshold,a.object.minConfidence);l=d.dataSync(),Ee(d)}return 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t},_k=e=>{if(!e)return[];let t=[];for(let n=0;n<e.length;n++){if(!e[n].annotations||!e[n].annotations.leftEyeIris||!e[n].annotations.rightEyeIris)continue;let a=e[n].annotations.leftEyeIris[3][0]-e[n].annotations.leftEyeIris[1][0],r=e[n].annotations.leftEyeIris[4][1]-e[n].annotations.leftEyeIris[2][1],s=Math.abs(a*r),i=e[n].annotations.rightEyeIris[3][0]-e[n].annotations.rightEyeIris[1][0],o=e[n].annotations.rightEyeIris[4][1]-e[n].annotations.rightEyeIris[2][1],l=Math.abs(i*o),d=!1;Math.abs(s-l)/Math.max(s,l)<.25&&(d=!0,t.push({iris:n,gesture:"facing center"}));let p=Math.abs(e[n].mesh[33][0]-e[n].annotations.rightEyeIris[0][0])/e[n].annotations.rightEyeIris[0][0],c=Math.abs(e[n].mesh[263][0]-e[n].annotations.leftEyeIris[0][0])/e[n].annotations.leftEyeIris[0][0];(c>.033||p>.033)&&(d=!1),c>.033&&t.push({iris:n,gesture:"looking right"}),p>.033&&t.push({iris:n,gesture:"looking left"});let 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`),v.FRAGMENT_IDENTITY=["precision highp float;","varying vec2 vUv;","uniform sampler2D texture;","void main(void) {","gl_FragColor = texture2D(texture, vUv);","}"].join(`
`),u=new Eie(f,v.VERTEX_IDENTITY,b);let I=Float32Array.BYTES_PER_ELEMENT,T=4*I;return f.enableVertexAttribArray(u.attribute.pos),f.vertexAttribPointer(u.attribute.pos,2,f.FLOAT,!1,T,0*I),f.enableVertexAttribArray(u.attribute.uv),f.vertexAttribPointer(u.attribute.uv,2,f.FLOAT,!1,T,2*I),h[b]=u,u};p.colorMatrix=function(b){let v=new Float32Array(b);v[4]/=255,v[9]/=255,v[14]/=255,v[19]/=255;let I=v[18]===1&&v[3]===0&&v[8]===0&&v[13]===0&&v[15]===0&&v[16]===0&&v[17]===0&&v[19]===0?p.colorMatrix.SHADER.WITHOUT_ALPHA:p.colorMatrix.SHADER.WITH_ALPHA,T=k(I);f.uniform1fv(T.uniform.m,v),x()},p.colorMatrix.SHADER={},p.colorMatrix.SHADER.WITH_ALPHA=["precision highp float;","varying vec2 vUv;","uniform sampler2D texture;","uniform float m[20];","void main(void) {","vec4 c = texture2D(texture, vUv);","gl_FragColor.r = m[0] * c.r + m[1] * c.g + m[2] * c.b + m[3] * c.a + m[4];","gl_FragColor.g = m[5] * c.r + m[6] * c.g + m[7] * c.b + m[8] * c.a + m[9];","gl_FragColor.b = m[10] * c.r + m[11] * c.g + m[12] * c.b + m[13] * c.a + m[14];","gl_FragColor.a = m[15] * c.r + m[16] * c.g + m[17] * c.b + m[18] * c.a + m[19];","}"].join(`
`),p.colorMatrix.SHADER.WITHOUT_ALPHA=["precision highp float;","varying vec2 vUv;","uniform sampler2D texture;","uniform float m[20];","void main(void) {","vec4 c = texture2D(texture, vUv);","gl_FragColor.r = m[0] * c.r + m[1] * c.g + m[2] * c.b + m[4];","gl_FragColor.g = m[5] * c.r + m[6] * c.g + m[7] * c.b + m[9];","gl_FragColor.b = m[10] * c.r + m[11] * c.g + m[12] * c.b + m[14];","gl_FragColor.a = c.a;","}"].join(`
`),p.brightness=function(b){let v=(b||0)+1;p.colorMatrix([v,0,0,0,0,0,v,0,0,0,0,0,v,0,0,0,0,0,1,0])},p.saturation=function(b){let v=(b||0)*2/3+1,I=(v-1)*-.5;p.colorMatrix([v,I,I,0,0,I,v,I,0,0,I,I,v,0,0,0,0,0,1,0])},p.desaturate=function(){p.saturation(-1)},p.contrast=function(b){let v=(b||0)+1,I=-128*(v-1);p.colorMatrix([v,0,0,0,I,0,v,0,0,I,0,0,v,0,I,0,0,0,1,0])},p.negative=function(){p.contrast(-2)},p.hue=function(b){b=(b||0)/180*Math.PI;let v=Math.cos(b),I=Math.sin(b),T=.213,R=.715,$=.072;p.colorMatrix([T+v*(1-T)+I*-T,R+v*-R+I*-R,$+v*-$+I*(1-$),0,0,T+v*-T+I*.143,R+v*(1-R)+I*.14,$+v*-$+I*-.283,0,0,T+v*-T+I*-(1-T),R+v*-R+I*R,$+v*(1-$)+I*$,0,0,0,0,0,1,0])},p.desaturateLuminance=function(){p.colorMatrix([.2764723,.929708,.0938197,0,-37.1,.2764723,.929708,.0938197,0,-37.1,.2764723,.929708,.0938197,0,-37.1,0,0,0,1,0])},p.sepia=function(){p.colorMatrix([.393,.7689999,.18899999,0,0,.349,.6859999,.16799999,0,0,.272,.5339999,.13099999,0,0,0,0,0,1,0])},p.brownie=function(){p.colorMatrix([.5997023498159715,.34553243048391263,-.2708298674538042,0,47.43192855600873,-.037703249837783157,.8609577587992641,.15059552388459913,0,-36.96841498319127,.24113635128153335,-.07441037908422492,.44972182064877153,0,-7.562075277591283,0,0,0,1,0])},p.vintagePinhole=function(){p.colorMatrix([.6279345635605994,.3202183420819367,-.03965408211312453,0,9.651285835294123,.02578397704808868,.6441188644374771,.03259127616149294,0,7.462829176470591,.0466055556782719,-.0851232987247891,.5241648018700465,0,5.159190588235296,0,0,0,1,0])},p.kodachrome=function(){p.colorMatrix([1.1285582396593525,-.3967382283601348,-.03992559172921793,0,63.72958762196502,-.16404339962244616,1.0835251566291304,-.05498805115633132,0,24.732407896706203,-.16786010706155763,-.5603416277695248,1.6014850761964943,0,35.62982807460946,0,0,0,1,0])},p.technicolor=function(){p.colorMatrix([1.9125277891456083,-.8545344976951645,-.09155508482755585,0,11.793603434377337,-.3087833385928097,1.7658908555458428,-.10601743074722245,0,-70.35205161461398,-.231103377548616,-.7501899197440212,1.847597816108189,0,30.950940869491138,0,0,0,1,0])},p.polaroid=function(){p.colorMatrix([1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0])},p.shiftToBGR=function(){p.colorMatrix([0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0])},p.convolution=function(b){let v=new Float32Array(b),I=1/o,T=1/l,R=k(p.convolution.SHADER);f.uniform1fv(R.uniform.m,v),f.uniform2f(R.uniform.px,I,T),x()},p.convolution.SHADER=["precision highp float;","varying vec2 vUv;","uniform sampler2D texture;","uniform vec2 px;","uniform float m[9];","void main(void) {","vec4 c11 = texture2D(texture, vUv - px);","vec4 c12 = texture2D(texture, vec2(vUv.x, vUv.y - px.y));","vec4 c13 = texture2D(texture, vec2(vUv.x + px.x, vUv.y - px.y));","vec4 c21 = texture2D(texture, vec2(vUv.x - px.x, vUv.y) );","vec4 c22 = texture2D(texture, vUv);","vec4 c23 = texture2D(texture, vec2(vUv.x + px.x, vUv.y) );","vec4 c31 = texture2D(texture, vec2(vUv.x - px.x, vUv.y + px.y) );","vec4 c32 = texture2D(texture, vec2(vUv.x, vUv.y + px.y) );","vec4 c33 = texture2D(texture, vUv + px );","gl_FragColor = ","c11 * m[0] + c12 * m[1] + c22 * m[2] +","c21 * m[3] + c22 * m[4] + c23 * m[5] +","c31 * m[6] + c32 * m[7] + c33 * m[8];","gl_FragColor.a = c22.a;","}"].join(`
`),p.detectEdges=function(){p.convolution.call(this,[0,1,0,1,-4,1,0,1,0])},p.sobelX=function(){p.convolution.call(this,[-1,0,1,-2,0,2,-1,0,1])},p.sobelY=function(){p.convolution.call(this,[-1,-2,-1,0,0,0,1,2,1])},p.sharpen=function(b){let v=b||1;p.convolution.call(this,[0,-1*v,0,-1*v,1+4*v,-1*v,0,-1*v,0])},p.emboss=function(b){let v=b||1;p.convolution.call(this,[-2*v,-1*v,0,-1*v,1,1*v,0,1*v,2*v])},p.blur=function(b){let v=b/7/o,I=b/7/l,T=k(p.blur.SHADER);f.uniform2f(T.uniform.px,0,I),x(m.INTERMEDIATE),f.uniform2f(T.uniform.px,v,0),x()},p.blur.SHADER=["precision highp float;","varying vec2 vUv;","uniform sampler2D texture;","uniform vec2 px;","void main(void) {","gl_FragColor = vec4(0.0);","gl_FragColor += texture2D(texture, vUv + vec2(-7.0*px.x, -7.0*px.y))*0.0044299121055113265;","gl_FragColor += texture2D(texture, vUv + vec2(-6.0*px.x, -6.0*px.y))*0.00895781211794;","gl_FragColor += texture2D(texture, vUv + vec2(-5.0*px.x, -5.0*px.y))*0.0215963866053;","gl_FragColor += texture2D(texture, vUv + vec2(-4.0*px.x, -4.0*px.y))*0.0443683338718;","gl_FragColor += texture2D(texture, vUv + vec2(-3.0*px.x, -3.0*px.y))*0.0776744219933;","gl_FragColor += texture2D(texture, vUv + vec2(-2.0*px.x, -2.0*px.y))*0.115876621105;","gl_FragColor += texture2D(texture, vUv + vec2(-1.0*px.x, -1.0*px.y))*0.147308056121;","gl_FragColor += texture2D(texture, vUv )*0.159576912161;","gl_FragColor += texture2D(texture, vUv + vec2( 1.0*px.x, 1.0*px.y))*0.147308056121;","gl_FragColor += texture2D(texture, vUv + vec2( 2.0*px.x, 2.0*px.y))*0.115876621105;","gl_FragColor += texture2D(texture, vUv + vec2( 3.0*px.x, 3.0*px.y))*0.0776744219933;","gl_FragColor += texture2D(texture, vUv + vec2( 4.0*px.x, 4.0*px.y))*0.0443683338718;","gl_FragColor += texture2D(texture, vUv + vec2( 5.0*px.x, 5.0*px.y))*0.0215963866053;","gl_FragColor += texture2D(texture, vUv + vec2( 6.0*px.x, 6.0*px.y))*0.00895781211794;","gl_FragColor += texture2D(texture, vUv + vec2( 7.0*px.x, 7.0*px.y))*0.0044299121055113265;","}"].join(`
`),p.pixelate=function(b){let v=b/o,I=b/l,T=k(p.pixelate.SHADER);f.uniform2f(T.uniform.size,v,I),x()},p.pixelate.SHADER=["precision highp float;","varying vec2 vUv;","uniform vec2 size;","uniform sampler2D texture;","vec2 pixelate(vec2 coord, vec2 size) {","return floor( coord / size ) * size;","}","void main(void) {","gl_FragColor = vec4(0.0);","vec2 coord = pixelate(vUv, size);","gl_FragColor += texture2D(texture, coord);","}"].join(`
`)}var C0=2048,Ce,gt,Ft;function xg(e,t){let n;if(!e)throw new Error("Human: Input is missing");if(!(e instanceof Le)&&!(typeof Image!="undefined"&&e instanceof Image)&&!(typeof ImageData!="undefined"&&e instanceof ImageData)&&!(typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap)&&!(typeof HTMLImageElement!="undefined"&&e instanceof HTMLImageElement)&&!(typeof HTMLMediaElement!="undefined"&&e instanceof HTMLMediaElement)&&!(typeof HTMLVideoElement!="undefined"&&e instanceof HTMLVideoElement)&&!(typeof HTMLCanvasElement!="undefined"&&e instanceof HTMLCanvasElement)&&!(typeof OffscreenCanvas!="undefined"&&e instanceof OffscreenCanvas))throw new Error("Human: Input type is not recognized");if(e instanceof Le)if(e.shape&&e.shape.length===4&&e.shape[0]===1&&e.shape[3]===3)n=Oa(e);else throw new Error(`Human: Input tensor shape must be [1, height, width, 3] and instead was ${e.shape}`);else{let r=e.naturalWidth||e.videoWidth||e.width||e.shape&&e.shape[1]>0,s=e.naturalHeight||e.videoHeight||e.height||e.shape&&e.shape[2]>0,i=r,o=s;if(i>C0&&(i=C0,o=i*s/r),o>C0&&(o=C0,i=o*r/s),t.filter.width>0?i=t.filter.width:t.filter.height>0&&(i=r*(t.filter.height/s)),t.filter.height>0?o=t.filter.height:t.filter.width>0&&(o=s*(t.filter.width/r)),!i||!o)throw new Error("Human: Input cannot determine dimension");(!Ce||(Ce==null?void 0:Ce.width)!==i||(Ce==null?void 0:Ce.height)!==o)&&(Ce=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(i,o):document.createElement("canvas"),(Ce==null?void 0:Ce.width)!==i&&(Ce.width=i),(Ce==null?void 0:Ce.height)!==o&&(Ce.height=o));let l=Ce.getContext("2d");if(e instanceof ImageData?l.putImageData(e,0,0):t.filter.flip&&typeof l.translate!="undefined"?(l.translate(r,0),l.scale(-1,1),l.drawImage(e,0,0,r,s,0,0,Ce==null?void 0:Ce.width,Ce==null?void 0:Ce.height),l.setTransform(1,0,0,1,0,0)):l.drawImage(e,0,0,r,s,0,0,Ce==null?void 0:Ce.width,Ce==null?void 0:Ce.height),t.filter.enabled){if((!Ft||!gt||Ce.width!==gt.width||(Ce==null?void 0:Ce.height)!==(gt==null?void 0:gt.height))&&(gt=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(Ce==null?void 0:Ce.width,Ce==null?void 0:Ce.height):document.createElement("canvas"),(gt==null?void 0:gt.width)!==(Ce==null?void 0:Ce.width)&&(gt.width=Ce==null?void 0:Ce.width),(gt==null?void 0:gt.height)!==(Ce==null?void 0:Ce.height)&&(gt.height=Ce==null?void 0:Ce.height),Ft=ma.flags.IS_BROWSER?new Lk({canvas:gt}):null),!Ft)return{tensor:null,canvas:Ce};Ft.reset(),Ft.addFilter("brightness",t.filter.brightness),t.filter.contrast!==0&&Ft.addFilter("contrast",t.filter.contrast),t.filter.sharpness!==0&&Ft.addFilter("sharpen",t.filter.sharpness),t.filter.blur!==0&&Ft.addFilter("blur",t.filter.blur),t.filter.saturation!==0&&Ft.addFilter("saturation",t.filter.saturation),t.filter.hue!==0&&Ft.addFilter("hue",t.filter.hue),t.filter.negative&&Ft.addFilter("negative"),t.filter.sepia&&Ft.addFilter("sepia"),t.filter.vintage&&Ft.addFilter("brownie"),t.filter.sepia&&Ft.addFilter("sepia"),t.filter.kodachrome&&Ft.addFilter("kodachrome"),t.filter.technicolor&&Ft.addFilter("technicolor"),t.filter.polaroid&&Ft.addFilter("polaroid"),t.filter.pixelate!==0&&Ft.addFilter("pixelate",t.filter.pixelate),Ft.apply(Ce)}else gt=Ce,Ft&&(Ft=null);let d;if(gt.data){let p=[gt.height,gt.width,3];d=pc(gt.data,p,"int32")}else if(gt instanceof ImageData)d=oi.fromPixels(gt);else if(t.backend==="webgl"||t.backend==="humangl"){let p=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(i,o):document.createElement("canvas");p.width=i,p.height=o;let c=p.getContext("2d");c==null||c.drawImage(gt,0,0),d=oi.fromPixels(p)}else{let p=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(i,o):document.createElement("canvas");p.width=i,p.height=o;let c=p.getContext("2d");c==null||c.drawImage(gt,0,0);let h=c==null?void 0:c.getImageData(0,0,i,o);d=oi.fromPixels(h)}let u=d.toFloat();n=u.expandDims(0),d.dispose(),u.dispose()}let a=t.filter.return?gt:null;return{tensor:n,canvas:a}}var bg={};Fa(bg,{all:()=>Rie,body:()=>Vk,canvas:()=>Cie,face:()=>Bk,gesture:()=>Wk,hand:()=>jk,object:()=>Uk,options:()=>_i});var dt={backend:"webgl",modelBasePath:"../models/",wasmPath:"../assets/",debug:!0,async:!0,videoOptimized:!0,warmup:"full",filter:{enabled:!0,width:0,height:0,flip:!1,return:!0,brightness:0,contrast:0,sharpness:0,blur:0,saturation:0,hue:0,negative:!1,sepia:!1,vintage:!1,kodachrome:!1,technicolor:!1,polaroid:!1,pixelate:0},gesture:{enabled:!0},face:{enabled:!0,detector:{modelPath:"blazeface.json",rotation:!1,maxDetected:10,skipFrames:21,skipInitial:!1,minConfidence:.2,iouThreshold:.1,return:!1},mesh:{enabled:!0,modelPath:"facemesh.json"},iris:{enabled:!0,modelPath:"iris.json"},description:{enabled:!0,modelPath:"faceres.json",skipFrames:31,minConfidence:.1},emotion:{enabled:!0,minConfidence:.1,skipFrames:32,modelPath:"emotion.json"}},body:{enabled:!0,modelPath:"posenet.json",maxDetected:1,minConfidence:.2},hand:{enabled:!0,rotation:!1,skipFrames:12,skipInitial:!1,minConfidence:.1,iouThreshold:.1,maxDetected:1,landmarks:!0,detector:{modelPath:"handdetect.json"},skeleton:{modelPath:"handskeleton.json"}},object:{enabled:!1,modelPath:"nanodet.json",minConfidence:.2,iouThreshold:.4,maxDetected:10,skipFrames:41}};var 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function jk(e,t,n){let a=Hn(_i,n);if(!t||!e||!(e instanceof HTMLCanvasElement))return;let r=e.getContext("2d");if(!!r){r.lineJoin="round",r.font=a.font;for(let s of t){if(a.drawBoxes){r.strokeStyle=a.color,r.fillStyle=a.color;let i;if(!a.calculateHandBox)i=a.useRawBoxes?s.boxRaw:s.box;else if(i=[Number.MAX_SAFE_INTEGER,Number.MAX_SAFE_INTEGER,0,0],s.landmarks&&s.landmarks.length>0){for(let o of s.landmarks)o[0]<i[0]&&(i[0]=o[0]),o[1]<i[1]&&(i[1]=o[1]),o[0]>i[2]&&(i[2]=o[0]),o[1]>i[3]&&(i[3]=o[1]);i[2]-=i[0],i[3]-=i[1]}a.useRawBoxes?Pi(r,e.width*i[0],e.height*i[1],e.width*i[2],e.height*i[3],a):Pi(r,i[0],i[1],i[2],i[3],a),a.drawLabels&&(a.shadowColor&&a.shadowColor!==""&&(r.fillStyle=a.shadowColor,r.fillText("hand",i[0]+3,1+i[1]+a.lineHeight,i[2])),r.fillStyle=a.labelColor,r.fillText("hand",i[0]+2,0+i[1]+a.lineHeight,i[2])),r.stroke()}if(a.drawPoints&&s.landmarks&&s.landmarks.length>0)for(let i of s.landmarks)r.fillStyle=a.useDepth?`rgba(${127.5+2*i[2]}, ${127.5-2*i[2]}, 255, 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2Q==`;var Hk="1.8.0";var Zl,Zd,Yd,Li,$0,Jd,D0,O0,z0,Fie=class{constructor(t={}){Zl.set(this,void 0);Zd.set(this,void 0);Yd.set(this,void 0);Li.set(this,void 0);this.analyze=(...t)=>{if(!aa(this,Zd))return;let n=this.tf.engine().state.numTensors,a=aa(this,Zl);as(this,Zl,n);let r=n-a;r!==0&&he(...t,r)};$0.set(this,t=>{if(!aa(this,Yd))return null;if(!t)return"input is not defined";if(this.tf.ENV.flags.IS_NODE&&!(t instanceof Le))return"input must be a tensor";try{this.tf.getBackend()}catch(n){return"backend not loaded"}return null});Jd.set(this,async(t=!1)=>{var n;if(this.config.backend&&this.config.backend.length>0&&t||this.tf.getBackend()!==this.config.backend){let a=it();if(this.state="backend",this.config.backend&&this.config.backend.length>0){if(typeof window=="undefined"&&typeof WorkerGlobalScope!="undefined"&&this.config.debug&&he("running inside web worker"),this.tf.ENV.flags.IS_BROWSER&&this.config.backend==="tensorflow"&&(this.config.backend="webgl"),this.tf.ENV.flags.IS_NODE&&(this.config.backend==="webgl"||this.config.backend==="humangl")&&(this.config.backend="tensorflow"),this.config.debug&&he("setting backend:",this.config.backend),this.config.backend==="wasm"){if(this.config.debug&&he("wasm path:",this.config.wasmPath),typeof((n=this.tf)==null?void 0:n.setWasmPaths)!="undefined")this.tf.setWasmPaths(this.config.wasmPath);else throw new Error("Human: WASM backend is not loaded");let r=await this.tf.env().getAsync("WASM_HAS_SIMD_SUPPORT"),s=await this.tf.env().getAsync("WASM_HAS_MULTITHREAD_SUPPORT");this.config.debug&&he(`wasm execution: ${r?"SIMD":"no SIMD"} ${s?"multithreaded":"singlethreaded"}`),this.config.debug&&!r&&he("warning: wasm simd support is not enabled")}this.config.backend==="humangl"&&J8();try{await this.tf.setBackend(this.config.backend)}catch(r){he("error: cannot set backend:",this.config.backend,r)}}if(this.tf.enableProdMode(),this.tf.getBackend()==="webgl"||this.tf.getBackend()==="humangl"){this.tf.ENV.set("CHECK_COMPUTATION_FOR_ERRORS",!1),this.tf.ENV.set("WEBGL_PACK_DEPTHWISECONV",!0),typeof this.config.deallocate!="undefined"&&(he("changing webgl: WEBGL_DELETE_TEXTURE_THRESHOLD:",!0),this.tf.ENV.set("WEBGL_DELETE_TEXTURE_THRESHOLD",0));let r=await this.tf.backend().getGPGPUContext().gl;this.config.debug&&he(`gl version:${r.getParameter(r.VERSION)} renderer:${r.getParameter(r.RENDERER)}`)}await this.tf.ready(),this.perf.backend=Math.trunc(it()-a)}});D0.set(this,async()=>{let t=(r,s="application/octet-stream")=>fetch(`data:${s};base64,${r}`).then(i=>i.blob()),n,a;switch(this.config.warmup){case"face":n=await t(M0);break;case"full":n=await t(F0);break;default:n=null}if(n){let r=await createImageBitmap(n);a=await this.detect(r,this.config),r.close()}return a});O0.set(this,async()=>new Promise(t=>{let n,a=0;switch(this.config.warmup){case"face":a=256,n="data:image/jpeg;base64,"+M0;break;case"full":case"body":a=1200,n="data:image/jpeg;base64,"+F0;break;default:n=null}let r=new Image;r.onload=async()=>{let s=typeof OffscreenCanvas!="undefined"?new OffscreenCanvas(a,a):document.createElement("canvas");s.width=r.naturalWidth,s.height=r.naturalHeight;let i=s.getContext("2d");i==null||i.drawImage(r,0,0);let o=await this.detect(s,this.config);t(o)},n?r.src=n:t(null)}));z0.set(this,async()=>{let t=r=>Buffer.from(r,"base64"),n;if(this.config.warmup==="face"&&(n=t(M0)),(this.config.warmup==="body"||this.config.warmup==="full")&&(n=t(F0)),!n)return null;let a;if(typeof void 0!="undefined"){let r=(void 0).decodeJpeg(n),s=r.expandDims(0);this.tf.dispose(r),a=await this.detect(s,this.config),this.tf.dispose(s)}else this.config.debug&&he("Warmup tfjs-node not loaded");return a});this.tf=lu,this.draw=bg,this.version=Hk,this.config=Hn(dt,t),this.state="idle",as(this,Zl,0),as(this,Zd,!1),as(this,Yd,!1),as(this,Li,!0),this.perf={},this.models={face:null,posenet:null,blazepose:null,efficientpose:null,handpose:null,iris:null,age:null,gender:null,emotion:null,embedding:null,nanodet:null,faceres:null},this.image=n=>xg(n,this.config),this.classes={facemesh:_2,emotion:B2,faceres:H2,body:this.config.body.modelPath.includes("posenet")?tg:pg,hand:lg,nanodet:fg},this.faceTriangulation=dk,this.faceUVMap=pk,this.sysinfo=Og()}similarity(t,n){return q2(t,n)}enhance(t){return X2(t)}match(t,n,a=0){return ck(t,n,a)}async load(t={}){this.state="load";let n=it();t&&(this.config=Hn(this.config,t)),aa(this,Li)&&(this.config.debug&&he(`version: ${this.version}`),this.config.debug&&he(`tfjs version: ${this.tf.version_core}`),this.config.debug&&he("platform:",this.sysinfo.platform),this.config.debug&&he("agent:",this.sysinfo.agent),await aa(this,Jd).call(this,!0),this.tf.ENV.flags.IS_BROWSER&&(this.config.debug&&he("configuration:",this.config),this.config.debug&&he("tf flags:",this.tf.ENV.flags))),this.config.async?[this.models.face,this.models.emotion,this.models.handpose,this.models.posenet,this.models.blazepose,this.models.nanodet,this.models.faceres]=await Promise.all([this.models.face||(this.config.face.enabled?W2(this.config):null),this.models.emotion||(this.config.face.enabled&&this.config.face.emotion.enabled?U2(this.config):null),this.models.handpose||(this.config.hand.enabled?dg(this.config):null),this.models.posenet||(this.config.body.enabled&&this.config.body.modelPath.includes("posenet")?ag(this.config):null),this.models.blazepose||(this.config.body.enabled&&this.config.body.modelPath.includes("blazepose")?cg(this.config):null),this.models.nanodet||(this.config.object.enabled?Ag(this.config):null),this.models.faceres||(this.config.face.enabled&&this.config.face.description.enabled?G2(this.config):null)]):(this.config.face.enabled&&!this.models.face&&(this.models.face=await W2(this.config)),this.config.face.enabled&&this.config.face.emotion.enabled&&!this.models.emotion&&(this.models.emotion=await U2(this.config)),this.config.hand.enabled&&!this.models.handpose&&(this.models.handpose=await dg(this.config)),this.config.body.enabled&&!this.models.posenet&&this.config.body.modelPath.includes("posenet")&&(this.models.posenet=await ag(this.config)),this.config.body.enabled&&!this.models.blazepose&&this.config.body.modelPath.includes("blazepose")&&(this.models.blazepose=await cg(this.config)),this.config.object.enabled&&!this.models.nanodet&&(this.models.nanodet=await Ag(this.config)),this.config.face.enabled&&this.config.face.description.enabled&&!this.models.faceres&&(this.models.faceres=await G2(this.config))),aa(this,Li)&&(this.config.debug&&he("tf engine state:",this.tf.engine().state.numBytes,"bytes",this.tf.engine().state.numTensors,"tensors"),as(this,Li,!1));let a=Math.trunc(it()-n);a>(this.perf.load||0)&&(this.perf.load=a)}async detect(t,n={}){return new Promise(async a=>{this.state="config";let r;this.config=Hn(this.config,n),this.state="check";let s=aa(this,$0).call(this,t);s&&(he(s,t),a({error:s}));let i=it();await aa(this,Jd).call(this),await this.load();let o;t&&this.config.videoOptimized&&typeof window!="undefined"&&typeof WorkerGlobalScope!="undefined"&&(typeof HTMLImageElement!="undefined"&&t instanceof HTMLImageElement||typeof Image!="undefined"&&t instanceof Image||typeof ImageData!="undefined"&&t instanceof ImageData||typeof ImageBitmap!="undefined"&&gg instanceof ImageBitmap)&&(he("disabling video optimization"),o=this.config.videoOptimized,this.config.videoOptimized=!1),r=it();let l=xg(t,this.config);if(!l||!l.tensor){he("could not convert input to tensor"),a({error:"could not convert input to tensor"});return}this.perf.image=Math.trunc(it()-r),this.analyze("Get Image:");let d,u,p,c,h;this.config.async?(p=this.config.face.enabled?K2(this,l.tensor):[],this.perf.face&&delete this.perf.face):(this.state="run:face",r=it(),p=this.config.face.enabled?await K2(this,l.tensor):[],h=Math.trunc(it()-r),h>0&&(this.perf.face=h)),this.analyze("Start Body:"),this.config.async?(this.config.body.modelPath.includes("posenet")?d=this.config.body.enabled?ng(l.tensor,this.config):[]:this.config.body.modelPath.includes("blazepose")&&(d=this.config.body.enabled?hg(l.tensor,this.config):[]),this.perf.body&&delete this.perf.body):(this.state="run:body",r=it(),this.config.body.modelPath.includes("posenet")?d=this.config.body.enabled?await ng(l.tensor,this.config):[]:this.config.body.modelPath.includes("blazepose")&&(d=this.config.body.enabled?await hg(l.tensor,this.config):[]),h=Math.trunc(it()-r),h>0&&(this.perf.body=h)),this.analyze("End Body:"),this.analyze("Start Hand:"),this.config.async?(u=this.config.hand.enabled?ug(l.tensor,this.config):[],this.perf.hand&&delete this.perf.hand):(this.state="run:hand",r=it(),u=this.config.hand.enabled?await ug(l.tensor,this.config):[],h=Math.trunc(it()-r),h>0&&(this.perf.hand=h)),this.analyze("End Hand:"),this.analyze("Start Object:"),this.config.async?(c=this.config.object.enabled?yg(l.tensor,this.config):[],this.perf.object&&delete this.perf.object):(this.state="run:object",r=it(),c=this.config.object.enabled?await yg(l.tensor,this.config):[],h=Math.trunc(it()-r),h>0&&(this.perf.object=h)),this.analyze("End Object:"),this.config.async&&([p,d,u,c]=await Promise.all([p,d,u,c])),Ee(l.tensor);let m=[];this.config.gesture.enabled&&(r=it(),m=[...zk(p),...Ok(d),...Pk(u),..._k(p)],this.config.async?this.perf.gesture&&delete this.perf.gesture:this.perf.gesture=Math.trunc(it()-r)),o&&(this.config.videoOptimized=o),this.perf.total=Math.trunc(it()-i),this.state="idle";let f={face:p,body:d,hand:u,gesture:m,object:c,performance:this.perf,canvas:l.canvas};a(f)})}async warmup(t={}){let n=it();if(t&&(this.config=Hn(this.config,t)),!this.config.warmup||this.config.warmup==="none")return{error:"null"};let a=this.config.videoOptimized;this.config.videoOptimized=!1;let r;typeof createImageBitmap=="function"?r=await aa(this,D0).call(this):typeof Image!="undefined"?r=await aa(this,O0).call(this):r=await aa(this,z0).call(this),this.config.videoOptimized=a;let s=it();return this.config.debug&&he("Warmup",this.config.warmup,Math.round(s-n),"ms",r),r}};Zl=new WeakMap,Zd=new WeakMap,Yd=new WeakMap,Li=new WeakMap,$0=new WeakMap,Jd=new WeakMap,D0=new WeakMap,O0=new WeakMap,z0=new WeakMap;export{Fie as Human,Fie as default};
/**
* @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 See the LICENSE file. */
//# sourceMappingURL=human.esm.js.map
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