/* Face-API homepage: author: ' */ var mF=Object.defineProperty;var fF=(e=>typeof require!="undefined"?require:typeof Proxy!="undefined"?new Proxy(e,{get:(t,n)=>(typeof require!="undefined"?require:t)[n]}):e)(function(e){if(typeof require!="undefined")return require.apply(this,arguments);throw new Error('Dynamic require of "'+e+'" is not supported')});var yb=(e,t)=>{for(var n in t)mF(e,n,{get:t[n],enumerable:!0})};var Be={};yb(Be,{Abs:()=>El,Acos:()=>Al,Acosh:()=>$l,AdadeltaOptimizer:()=>kf,AdagradOptimizer:()=>If,AdamOptimizer:()=>Sf,AdamaxOptimizer:()=>Nf,Add:()=>ds,AddN:()=>vi,All:()=>Fl,Any:()=>Dl,ArgMax:()=>wi,ArgMin:()=>gc,Asin:()=>Rl,Asinh:()=>Ml,Atan:()=>Pl,Atan2:()=>Ll,Atanh:()=>Ol,AvgPool:()=>ki,AvgPool3D:()=>yc,AvgPool3DGrad:()=>mm,AvgPoolGrad:()=>hm,BackendWasm:()=>xA,BatchMatMul:()=>Ii,BatchToSpaceND:()=>zl,Bincount:()=>fm,BroadcastArgs:()=>gm,BroadcastTo:()=>zI,Callback:()=>Q2,CallbackList:()=>a2,Cast:()=>Si,Ceil:()=>Ni,ClipByValue:()=>hs,Complex:()=>ym,ComplexAbs:()=>bc,Concat:()=>Bl,Conv2D:()=>Ti,Conv2DBackpropFilter:()=>bm,Conv2DBackpropInput:()=>Ci,Conv3D:()=>xc,Conv3DBackpropFilterV2:()=>xm,Conv3DBackpropInputV2:()=>vm,Cos:()=>_i,Cosh:()=>Ei,CropAndResize:()=>Vl,Cumprod:()=>Wl,Cumsum:()=>Ai,CustomCallback:()=>s2,DataStorage:()=>pm,DenseBincount:()=>wm,DepthToSpace:()=>Ul,DepthwiseConv2dNative:()=>$i,DepthwiseConv2dNativeBackpropFilter:()=>km,DepthwiseConv2dNativeBackpropInput:()=>Im,Diag:()=>Sm,Dilation2D:()=>vc,Dilation2DBackpropFilter:()=>Mh,Dilation2DBackpropInput:()=>Rh,ENV:()=>Px,EarlyStopping:()=>eT,Einsum:()=>Nm,Elu:()=>Di,EluGrad:()=>Tm,Environment:()=>OI,Equal:()=>Hl,Erf:()=>Gl,Exp:()=>Ri,ExpandDims:()=>jl,Expm1:()=>ql,FFT:()=>Cm,Fill:()=>wc,FlipLeftRight:()=>Kl,Floor:()=>Mi,FloorDiv:()=>Pi,FromPixels:()=>Ph,FusedBatchNorm:()=>Oi,FusedConv2D:()=>si,FusedDepthwiseConv2D:()=>ii,GPGPUContext:()=>Eh,GatherNd:()=>Yl,GatherV2:()=>Xl,GraphModel:()=>F0,Greater:()=>Jl,GreaterEqual:()=>Li,History:()=>r2,IFFT:()=>_m,Identity:()=>zi,Imag:()=>Em,InputSpec:()=>zt,IsFinite:()=>Zl,IsInf:()=>Ql,IsNan:()=>eu,KernelBackend:()=>fc,LRN:()=>kc,LRNGrad:()=>$m,LayerVariable:()=>YN,LayersModel:()=>Cr,LeakyRelu:()=>Bi,Less:()=>tu,LessEqual:()=>nu,LinSpace:()=>Am,Log:()=>Wi,Log1p:()=>au,LogSoftmax:()=>WI,LogicalAnd:()=>ru,LogicalNot:()=>su,LogicalOr:()=>iu,LogicalXor:()=>BI,LowerBound:()=>sD,MathBackendWebGL:()=>Yf,Max:()=>Vi,MaxPool:()=>Gi,MaxPool3D:()=>Ic,MaxPool3DGrad:()=>Dm,MaxPoolGrad:()=>Fm,MaxPoolWithArgmax:()=>Rm,Maximum:()=>Ui,Mean:()=>Hi,Min:()=>ji,Minimum:()=>qi,MirrorPad:()=>Ki,Mod:()=>ou,MomentumOptimizer:()=>Tf,Multinomial:()=>Mm,Multiply:()=>Xi,Neg:()=>lu,NonMaxSuppressionV3:()=>pu,NonMaxSuppressionV4:()=>cu,NonMaxSuppressionV5:()=>du,NotEqual:()=>uu,OP_SCOPE_SUFFIX:()=>Bx,OneHot:()=>Yi,OnesLike:()=>hu,Optimizer:()=>$r,OptimizerConstructors:()=>jr,Pack:()=>mu,PadV2:()=>Ji,Pool:()=>iD,Pow:()=>Zi,Prelu:()=>Qi,Prod:()=>eo,RMSPropOptimizer:()=>Cf,RNN:()=>fr,Range:()=>Sc,Rank:()=>Mb,Real:()=>Pm,RealDiv:()=>Fi,Reciprocal:()=>fu,Reduction:()=>kn,Relu:()=>to,Relu6:()=>ro,Reshape:()=>gu,ResizeBilinear:()=>ao,ResizeBilinearGrad:()=>Lm,ResizeNearestNeighbor:()=>no,ResizeNearestNeighborGrad:()=>Om,Reverse:()=>so,RotateWithOffset:()=>Fu,Round:()=>io,Rsqrt:()=>oo,SGDOptimizer:()=>Zc,ScatterNd:()=>yu,SearchSorted:()=>zm,Select:()=>bu,Selu:()=>xu,Sequential:()=>wl,Sigmoid:()=>uo,Sign:()=>ku,Sin:()=>lo,Sinh:()=>wu,Slice:()=>vu,Softmax:()=>ho,Softplus:()=>Iu,SpaceToBatchND:()=>Su,SparseFillEmptyRows:()=>Nc,SparseReshape:()=>Tu,SparseSegmentMean:()=>Tc,SparseSegmentSum:()=>Cc,SparseToDense:()=>Bm,SplitV:()=>Nu,Sqrt:()=>po,Square:()=>_c,SquaredDifference:()=>mo,Step:()=>fs,StridedSlice:()=>Cu,StringNGrams:()=>Ec,StringSplit:()=>Ac,StringToHashBucketFast:()=>$c,Sub:()=>fo,Sum:()=>co,SymbolicTensor:()=>Ha,Tan:()=>go,Tanh:()=>yo,Tensor:()=>Ae,TensorBuffer:()=>jt,Tile:()=>ms,TopK:()=>_u,Transform:()=>Eu,Transpose:()=>Tr,Unique:()=>Wm,Unpack:()=>Au,UnsortedSegmentSum:()=>Fc,UpperBound:()=>oD,Variable:()=>ns,ZerosLike:()=>$u,_FusedMatMul:()=>ri,abs:()=>Lt,acos:()=>ev,acosh:()=>tv,add:()=>Z,addN:()=>AS,all:()=>jm,any:()=>rc,argMax:()=>ui,argMin:()=>nv,asin:()=>av,asinh:()=>rv,atan:()=>sv,atan2:()=>iv,atanh:()=>ov,avgPool:()=>fa,avgPool3d:()=>uv,backend:()=>dS,backend_util:()=>C,basicLSTMCell:()=>RS,batchNorm:()=>bs,batchNorm2d:()=>pv,batchNorm3d:()=>cv,batchNorm4d:()=>dv,batchToSpaceND:()=>Wc,bincount:()=>hv,booleanMaskAsync:()=>mN,broadcastArgs:()=>MS,broadcastTo:()=>ll,broadcast_util:()=>Du,browser:()=>bo,buffer:()=>Le,callbacks:()=>yH,cast:()=>le,ceil:()=>mv,clipByValue:()=>tn,clone:()=>or,complex:()=>_r,concat:()=>Qe,concat1d:()=>fv,concat2d:()=>gv,concat3d:()=>yv,concat4d:()=>bv,constraints:()=>QN,conv1d:()=>qm,conv2d:()=>Dt,conv2dTranspose:()=>Km,conv3d:()=>vv,conv3dTranspose:()=>wv,copyRegisteredKernels:()=>cD,cos:()=>Vc,cosh:()=>Xm,cosineWindow:()=>yf,cumprod:()=>sc,cumsum:()=>Ym,customGrad:()=>pr,data:()=>ST,denseBincount:()=>OS,deprecationWarn:()=>qx,depthToSpace:()=>kv,depthwiseConv2d:()=>xs,deregisterOp:()=>vH,device_util:()=>Pc,diag:()=>LS,dilation2d:()=>Iv,disableDeprecationWarnings:()=>zR,dispose:()=>Me,disposeVariables:()=>BR,div:()=>fe,divNoNan:()=>Sv,dot:()=>Nv,dropout:()=>Zv,einsum:()=>zS,elu:()=>Ru,enableDebugMode:()=>LR,enableProdMode:()=>OR,enclosingPowerOfTwo:()=>Qv,engine:()=>ar,env:()=>X,equal:()=>Qn,erf:()=>Tv,euclideanNorm:()=>Ev,exp:()=>gn,expandDims:()=>mn,expm1:()=>Av,eye:()=>Jm,fft:()=>Yc,fill:()=>En,findBackend:()=>qR,findBackendFactory:()=>KR,floor:()=>Pu,floorDiv:()=>Hm,forceHalfFloat:()=>z_,fused:()=>bl,gather:()=>Ou,gatherND:()=>bN,gather_util:()=>Kx,getBackend:()=>HR,getGradient:()=>Db,getKernel:()=>Oh,getKernelsForBackend:()=>Lh,getThreadsCount:()=>que,gpgpu_util:()=>y_,grad:()=>gO,grads:()=>yO,greater:()=>Hn,greaterEqual:()=>vs,ifft:()=>yl,imag:()=>Lc,image:()=>Sr,inTopKAsync:()=>xN,initializers:()=>e2,input:()=>x2,io:()=>Nn,irfft:()=>hf,isFinite:()=>$v,isInf:()=>Fv,isNaN:()=>Dv,keep:()=>Qt,kernel_impls:()=>mr,layers:()=>t2,leakyRelu:()=>Uc,less:()=>Zm,lessEqual:()=>ws,linalg:()=>nw,linspace:()=>GS,loadGraphModel:()=>I6,loadGraphModelSync:()=>S6,loadLayersModel:()=>CU,localResponseNormalization:()=>Rv,log:()=>ea,log1p:()=>Gc,logSigmoid:()=>Mv,logSoftmax:()=>ef,logSumExp:()=>tf,logicalAnd:()=>Ca,logicalNot:()=>Hc,logicalOr:()=>nf,logicalXor:()=>Pv,losses:()=>$N,lowerBound:()=>jS,matMul:()=>Re,math:()=>cS,max:()=>Sa,maxPool:()=>Mt,maxPool3d:()=>Ov,maxPoolWithArgmax:()=>qS,maximum:()=>hr,mean:()=>_t,memory:()=>Wh,meshgrid:()=>KS,metrics:()=>Y2,min:()=>ic,minimum:()=>Lu,mirrorPad:()=>Lv,mod:()=>zv,model:()=>NU,models:()=>J2,moments:()=>jc,movingAverage:()=>fN,mul:()=>B,multiRNNCell:()=>XS,multinomial:()=>YS,neg:()=>vt,nextFrame:()=>aw,norm:()=>Mu,notEqual:()=>di,oneHot:()=>hl,ones:()=>Zn,onesLike:()=>ta,op:()=>z,outerProduct:()=>JS,pad:()=>ga,pad1d:()=>ZS,pad2d:()=>QS,pad3d:()=>eN,pad4d:()=>tN,pool:()=>Bv,pow:()=>Er,prelu:()=>Kc,print:()=>Gx,prod:()=>Wv,profile:()=>WR,rand:()=>nN,randomGamma:()=>aN,randomNormal:()=>rf,randomStandardNormal:()=>rN,randomUniform:()=>zu,range:()=>fl,ready:()=>GR,real:()=>ml,reciprocal:()=>Gv,registerBackend:()=>Gm,registerCallbackConstructor:()=>_U,registerGradient:()=>VI,registerKernel:()=>Dc,registerOp:()=>xH,regularizers:()=>Z2,relu:()=>Xe,relu6:()=>sf,removeBackend:()=>jR,reshape:()=>W,reverse:()=>ma,reverse1d:()=>sN,reverse2d:()=>iN,reverse3d:()=>oN,reverse4d:()=>lN,rfft:()=>Jc,round:()=>of,rsqrt:()=>lf,scalar:()=>ke,scatterND:()=>gN,scatter_util:()=>Xx,searchSorted:()=>af,selu:()=>uf,separableConv2d:()=>ks,sequential:()=>TU,serialization:()=>se,setBackend:()=>UR,setPlatform:()=>XR,setThreadsCount:()=>jue,setWasmPath:()=>Gue,setWasmPaths:()=>Hue,setWebGLContext:()=>WC,setdiff1dAsync:()=>uN,sigmoid:()=>da,sign:()=>Hv,signal:()=>AN,sin:()=>pf,sinh:()=>cf,slice:()=>He,slice1d:()=>Xc,slice2d:()=>df,slice3d:()=>vo,slice4d:()=>gl,slice_util:()=>qt,softmax:()=>Za,softplus:()=>xo,spaceToBatchND:()=>qc,sparse:()=>FN,sparseToDense:()=>yN,spectral:()=>EN,split:()=>Wn,sqrt:()=>ln,square:()=>lt,squaredDifference:()=>mf,squeeze:()=>Is,stack:()=>Rt,step:()=>wo,stridedSlice:()=>jv,string:()=>DN,sub:()=>ce,sum:()=>be,sumOutType:()=>Um,tan:()=>qv,tanh:()=>pi,tensor:()=>Bn,tensor1d:()=>Ke,tensor2d:()=>Na,tensor3d:()=>zc,tensor4d:()=>Ea,tensor5d:()=>pN,tensor6d:()=>cN,tensor_util:()=>ja,test_util:()=>CS,tidy:()=>O,tile:()=>zn,time:()=>VR,topk:()=>Kv,train:()=>js,transpose:()=>$e,truncatedNormal:()=>ff,unique:()=>Xv,unregisterGradient:()=>pD,unregisterKernel:()=>uD,unsortedSegmentSum:()=>gf,unstack:()=>mt,upcastType:()=>ha,upperBound:()=>dN,util:()=>w,valueAndGrad:()=>bO,valueAndGrads:()=>xO,variable:()=>Yv,variableGrads:()=>HS,version:()=>rpe,version_converter:()=>T6,version_core:()=>NM,version_layers:()=>Nw,version_wasm:()=>Kue,version_webgl:()=>WJ,webgl:()=>VJ,webgl_util:()=>BC,where:()=>fn,whereAsync:()=>Jv,zeros:()=>It,zerosLike:()=>qe});var gF=Object.create,$x=Object.defineProperty,yF=Object.getOwnPropertyDescriptor,bF=Object.getOwnPropertyNames,xF=Object.getPrototypeOf,vF=Object.prototype.hasOwnProperty,Wt=(e,t)=>()=>(t||e((t={exports:{}}).exports,t),t.exports),Fe=(e,t)=>{for(var n in t)$x(e,n,{get:t[n],enumerable:!0})},wF=(e,t,n,a)=>{if(t&&typeof t=="object"||typeof t=="function")for(let r of bF(t))!vF.call(e,r)&&r!==n&&$x(e,r,{get:()=>t[r],enumerable:!(a=yF(t,r))||a.enumerable});return e},ps=(e,t,n)=>(n=e!=null?gF(xF(e)):{},wF(t||!e||!e.__esModule?$x(n,"default",{value:e,enumerable:!0}):n,e)),kF=Wt((e,t)=>{t.exports=a;var n=null;try{n=new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([0,97,115,109,1,0,0,0,1,13,2,96,0,1,127,96,4,127,127,127,127,1,127,3,7,6,0,1,1,1,1,1,6,6,1,127,1,65,0,11,7,50,6,3,109,117,108,0,1,5,100,105,118,95,115,0,2,5,100,105,118,95,117,0,3,5,114,101,109,95,115,0,4,5,114,101,109,95,117,0,5,8,103,101,116,95,104,105,103,104,0,0,10,191,1,6,4,0,35,0,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,126,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,127,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,128,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,129,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,130,34,4,66,32,135,167,36,0,32,4,167,11])),{}).exports}catch(S){}function a(S,M,U){this.low=S|0,this.high=M|0,this.unsigned=!!U}a.prototype.__isLong__,Object.defineProperty(a.prototype,"__isLong__",{value:!0});function r(S){return(S&&S.__isLong__)===!0}a.isLong=r;var s={},i={};function o(S,M){var U,j,q;return M?(S>>>=0,(q=0<=S&&S<256)&&(j=i[S],j)?j:(U=u(S,(S|0)<0?-1:0,!0),q&&(i[S]=U),U)):(S|=0,(q=-128<=S&&S<128)&&(j=s[S],j)?j:(U=u(S,S<0?-1:0,!1),q&&(s[S]=U),U))}a.fromInt=o;function l(S,M){if(isNaN(S))return M?v:x;if(M){if(S<0)return v;if(S>=g)return F}else{if(S<=-y)return P;if(S+1>=y)return A}return S<0?l(-S,M).neg():u(S%f|0,S/f|0,M)}a.fromNumber=l;function u(S,M,U){return new a(S,M,U)}a.fromBits=u;var p=Math.pow;function d(S,M,U){if(S.length===0)throw Error("empty string");if(S==="NaN"||S==="Infinity"||S==="+Infinity"||S==="-Infinity")return x;if(typeof M=="number"?(U=M,M=!1):M=!!M,U=U||10,U<2||360)throw Error("interior hyphen");if(j===0)return d(S.substring(1),M,U).neg();for(var q=l(p(U,8)),K=x,Y=0;Y>>0:this.low},$.toNumber=function(){return this.unsigned?(this.high>>>0)*f+(this.low>>>0):this.high*f+(this.low>>>0)},$.toString=function(S){if(S=S||10,S<2||36>>0,Q=re.toString(S);if(K=te,K.isZero())return Q+Y;for(;Q.length<6;)Q="0"+Q;Y=""+Q+Y}},$.getHighBits=function(){return this.high},$.getHighBitsUnsigned=function(){return this.high>>>0},$.getLowBits=function(){return this.low},$.getLowBitsUnsigned=function(){return this.low>>>0},$.getNumBitsAbs=function(){if(this.isNegative())return this.eq(P)?64:this.neg().getNumBitsAbs();for(var S=this.high!=0?this.high:this.low,M=31;M>0&&(S&1<=0},$.isOdd=function(){return(this.low&1)===1},$.isEven=function(){return(this.low&1)===0},$.equals=function(S){return r(S)||(S=c(S)),this.unsigned!==S.unsigned&&this.high>>>31===1&&S.high>>>31===1?!1:this.high===S.high&&this.low===S.low},$.eq=$.equals,$.notEquals=function(S){return!this.eq(S)},$.neq=$.notEquals,$.ne=$.notEquals,$.lessThan=function(S){return this.comp(S)<0},$.lt=$.lessThan,$.lessThanOrEqual=function(S){return this.comp(S)<=0},$.lte=$.lessThanOrEqual,$.le=$.lessThanOrEqual,$.greaterThan=function(S){return this.comp(S)>0},$.gt=$.greaterThan,$.greaterThanOrEqual=function(S){return this.comp(S)>=0},$.gte=$.greaterThanOrEqual,$.ge=$.greaterThanOrEqual,$.compare=function(S){if(r(S)||(S=c(S)),this.eq(S))return 0;var M=this.isNegative(),U=S.isNegative();return M&&!U?-1:!M&&U?1:this.unsigned?S.high>>>0>this.high>>>0||S.high===this.high&&S.low>>>0>this.low>>>0?-1:1:this.sub(S).isNegative()?-1:1},$.comp=$.compare,$.negate=function(){return!this.unsigned&&this.eq(P)?P:this.not().add(I)},$.neg=$.negate,$.add=function(S){r(S)||(S=c(S));var M=this.high>>>16,U=this.high&65535,j=this.low>>>16,q=this.low&65535,K=S.high>>>16,Y=S.high&65535,te=S.low>>>16,re=S.low&65535,Q=0,ie=0,ae=0,oe=0;return oe+=q+re,ae+=oe>>>16,oe&=65535,ae+=j+te,ie+=ae>>>16,ae&=65535,ie+=U+Y,Q+=ie>>>16,ie&=65535,Q+=M+K,Q&=65535,u(ae<<16|oe,Q<<16|ie,this.unsigned)},$.subtract=function(S){return r(S)||(S=c(S)),this.add(S.neg())},$.sub=$.subtract,$.multiply=function(S){if(this.isZero())return x;if(r(S)||(S=c(S)),n){var M=n.mul(this.low,this.high,S.low,S.high);return u(M,n.get_high(),this.unsigned)}if(S.isZero())return x;if(this.eq(P))return S.isOdd()?P:x;if(S.eq(P))return this.isOdd()?P:x;if(this.isNegative())return S.isNegative()?this.neg().mul(S.neg()):this.neg().mul(S).neg();if(S.isNegative())return this.mul(S.neg()).neg();if(this.lt(b)&&S.lt(b))return l(this.toNumber()*S.toNumber(),this.unsigned);var U=this.high>>>16,j=this.high&65535,q=this.low>>>16,K=this.low&65535,Y=S.high>>>16,te=S.high&65535,re=S.low>>>16,Q=S.low&65535,ie=0,ae=0,oe=0,ue=0;return ue+=K*Q,oe+=ue>>>16,ue&=65535,oe+=q*Q,ae+=oe>>>16,oe&=65535,oe+=K*re,ae+=oe>>>16,oe&=65535,ae+=j*Q,ie+=ae>>>16,ae&=65535,ae+=q*re,ie+=ae>>>16,ae&=65535,ae+=K*te,ie+=ae>>>16,ae&=65535,ie+=U*Q+j*re+q*te+K*Y,ie&=65535,u(oe<<16|ue,ie<<16|ae,this.unsigned)},$.mul=$.multiply,$.divide=function(S){if(r(S)||(S=c(S)),S.isZero())throw Error("division by zero");if(n){if(!this.unsigned&&this.high===-2147483648&&S.low===-1&&S.high===-1)return this;var M=(this.unsigned?n.div_u:n.div_s)(this.low,this.high,S.low,S.high);return u(M,n.get_high(),this.unsigned)}if(this.isZero())return this.unsigned?v:x;var U,j,q;if(this.unsigned){if(S.unsigned||(S=S.toUnsigned()),S.gt(this))return v;if(S.gt(this.shru(1)))return T;q=v}else{if(this.eq(P)){if(S.eq(I)||S.eq(_))return P;if(S.eq(P))return I;var K=this.shr(1);return U=K.div(S).shl(1),U.eq(x)?S.isNegative()?I:_:(j=this.sub(S.mul(U)),q=U.add(j.div(S)),q)}else if(S.eq(P))return this.unsigned?v:x;if(this.isNegative())return S.isNegative()?this.neg().div(S.neg()):this.neg().div(S).neg();if(S.isNegative())return this.div(S.neg()).neg();q=x}for(j=this;j.gte(S);){U=Math.max(1,Math.floor(j.toNumber()/S.toNumber()));for(var Y=Math.ceil(Math.log(U)/Math.LN2),te=Y<=48?1:p(2,Y-48),re=l(U),Q=re.mul(S);Q.isNegative()||Q.gt(j);)U-=te,re=l(U,this.unsigned),Q=re.mul(S);re.isZero()&&(re=I),q=q.add(re),j=j.sub(Q)}return q},$.div=$.divide,$.modulo=function(S){if(r(S)||(S=c(S)),n){var M=(this.unsigned?n.rem_u:n.rem_s)(this.low,this.high,S.low,S.high);return u(M,n.get_high(),this.unsigned)}return this.sub(this.div(S).mul(S))},$.mod=$.modulo,$.rem=$.modulo,$.not=function(){return u(~this.low,~this.high,this.unsigned)},$.and=function(S){return r(S)||(S=c(S)),u(this.low&S.low,this.high&S.high,this.unsigned)},$.or=function(S){return r(S)||(S=c(S)),u(this.low|S.low,this.high|S.high,this.unsigned)},$.xor=function(S){return r(S)||(S=c(S)),u(this.low^S.low,this.high^S.high,this.unsigned)},$.shiftLeft=function(S){return r(S)&&(S=S.toInt()),(S&=63)===0?this:S<32?u(this.low<>>32-S,this.unsigned):u(0,this.low<>>S|this.high<<32-S,this.high>>S,this.unsigned):u(this.high>>S-32,this.high>=0?0:-1,this.unsigned)},$.shr=$.shiftRight,$.shiftRightUnsigned=function(S){if(r(S)&&(S=S.toInt()),S&=63,S===0)return this;var M=this.high;if(S<32){var U=this.low;return u(U>>>S|M<<32-S,M>>>S,this.unsigned)}else return S===32?u(M,0,this.unsigned):u(M>>>S-32,0,this.unsigned)},$.shru=$.shiftRightUnsigned,$.shr_u=$.shiftRightUnsigned,$.toSigned=function(){return this.unsigned?u(this.low,this.high,!1):this},$.toUnsigned=function(){return this.unsigned?this:u(this.low,this.high,!0)},$.toBytes=function(S){return S?this.toBytesLE():this.toBytesBE()},$.toBytesLE=function(){var S=this.high,M=this.low;return[M&255,M>>>8&255,M>>>16&255,M>>>24,S&255,S>>>8&255,S>>>16&255,S>>>24]},$.toBytesBE=function(){var S=this.high,M=this.low;return[S>>>24,S>>>16&255,S>>>8&255,S&255,M>>>24,M>>>16&255,M>>>8&255,M&255]},a.fromBytes=function(S,M,U){return U?a.fromBytesLE(S,M):a.fromBytesBE(S,M)},a.fromBytesLE=function(S,M){return new a(S[0]|S[1]<<8|S[2]<<16|S[3]<<24,S[4]|S[5]<<8|S[6]<<16|S[7]<<24,M)},a.fromBytesBE=function(S,M){return new a(S[4]<<24|S[5]<<16|S[6]<<8|S[7],S[0]<<24|S[1]<<16|S[2]<<8|S[3],M)}}),IF=Wt(()=>{}),SF=Wt(()=>{}),NF=Wt((e,t)=>{(function(n,a,r){function s(u){var p=this,d=l();p.next=function(){var c=2091639*p.s0+p.c*23283064365386963e-26;return p.s0=p.s1,p.s1=p.s2,p.s2=c-(p.c=c|0)},p.c=1,p.s0=d(" "),p.s1=d(" "),p.s2=d(" "),p.s0-=d(u),p.s0<0&&(p.s0+=1),p.s1-=d(u),p.s1<0&&(p.s1+=1),p.s2-=d(u),p.s2<0&&(p.s2+=1),d=null}function i(u,p){return p.c=u.c,p.s0=u.s0,p.s1=u.s1,p.s2=u.s2,p}function o(u,p){var d=new s(u),c=p&&p.state,h=d.next;return h.int32=function(){return d.next()*4294967296|0},h.double=function(){return h()+(h()*2097152|0)*11102230246251565e-32},h.quick=h,c&&(typeof c=="object"&&i(c,d),h.state=function(){return i(d,{})}),h}function l(){var u=4022871197,p=function(d){d=String(d);for(var c=0;c>>0,h-=u,h*=u,u=h>>>0,h-=u,u+=h*4294967296}return(u>>>0)*23283064365386963e-26};return p}a&&a.exports?a.exports=o:r&&r.amd?r(function(){return o}):this.alea=o})(e,typeof t=="object"&&t,typeof define=="function"&&define)}),TF=Wt((e,t)=>{(function(n,a,r){function s(l){var u=this,p="";u.x=0,u.y=0,u.z=0,u.w=0,u.next=function(){var c=u.x^u.x<<11;return u.x=u.y,u.y=u.z,u.z=u.w,u.w^=u.w>>>19^c^c>>>8},l===(l|0)?u.x=l:p+=l;for(var d=0;d>>0)/4294967296};return c.double=function(){do var h=p.next()>>>11,m=(p.next()>>>0)/4294967296,f=(h+m)/(1<<21);while(f===0);return f},c.int32=p.next,c.quick=c,d&&(typeof d=="object"&&i(d,p),c.state=function(){return i(p,{})}),c}a&&a.exports?a.exports=o:r&&r.amd?r(function(){return o}):this.xor128=o})(e,typeof t=="object"&&t,typeof define=="function"&&define)}),CF=Wt((e,t)=>{(function(n,a,r){function s(l){var u=this,p="";u.next=function(){var c=u.x^u.x>>>2;return u.x=u.y,u.y=u.z,u.z=u.w,u.w=u.v,(u.d=u.d+362437|0)+(u.v=u.v^u.v<<4^(c^c<<1))|0},u.x=0,u.y=0,u.z=0,u.w=0,u.v=0,l===(l|0)?u.x=l:p+=l;for(var d=0;d>>4),u.next()}function i(l,u){return u.x=l.x,u.y=l.y,u.z=l.z,u.w=l.w,u.v=l.v,u.d=l.d,u}function o(l,u){var p=new s(l),d=u&&u.state,c=function(){return(p.next()>>>0)/4294967296};return c.double=function(){do var h=p.next()>>>11,m=(p.next()>>>0)/4294967296,f=(h+m)/(1<<21);while(f===0);return f},c.int32=p.next,c.quick=c,d&&(typeof d=="object"&&i(d,p),c.state=function(){return i(p,{})}),c}a&&a.exports?a.exports=o:r&&r.amd?r(function(){return o}):this.xorwow=o})(e,typeof t=="object"&&t,typeof define=="function"&&define)}),_F=Wt((e,t)=>{(function(n,a,r){function s(l){var u=this;u.next=function(){var d=u.x,c=u.i,h,m,f;return h=d[c],h^=h>>>7,m=h^h<<24,h=d[c+1&7],m^=h^h>>>10,h=d[c+3&7],m^=h^h>>>3,h=d[c+4&7],m^=h^h<<7,h=d[c+7&7],h=h^h<<13,m^=h^h<<9,d[c]=m,u.i=c+1&7,m};function p(d,c){var h,m,f=[];if(c===(c|0))m=f[0]=c;else for(c=""+c,h=0;h0;--h)d.next()}p(u,l)}function i(l,u){return u.x=l.x.slice(),u.i=l.i,u}function o(l,u){l==null&&(l=+new Date);var p=new s(l),d=u&&u.state,c=function(){return(p.next()>>>0)/4294967296};return c.double=function(){do var h=p.next()>>>11,m=(p.next()>>>0)/4294967296,f=(h+m)/(1<<21);while(f===0);return f},c.int32=p.next,c.quick=c,d&&(d.x&&i(d,p),c.state=function(){return i(p,{})}),c}a&&a.exports?a.exports=o:r&&r.amd?r(function(){return o}):this.xorshift7=o})(e,typeof t=="object"&&t,typeof define=="function"&&define)}),EF=Wt((e,t)=>{(function(n,a,r){function s(l){var u=this;u.next=function(){var d=u.w,c=u.X,h=u.i,m,f;return u.w=d=d+1640531527|0,f=c[h+34&127],m=c[h=h+1&127],f^=f<<13,m^=m<<17,f^=f>>>15,m^=m>>>12,f=c[h]=f^m,u.i=h,f+(d^d>>>16)|0};function p(d,c){var h,m,f,g,y,b=[],x=128;for(c===(c|0)?(m=c,c=null):(c=c+"\0",m=0,x=Math.max(x,c.length)),f=0,g=-32;g>>15,m^=m<<4,m^=m>>>13,g>=0&&(y=y+1640531527|0,h=b[g&127]^=m+y,f=h==0?f+1:0);for(f>=128&&(b[(c&&c.length||0)&127]=-1),f=127,g=4*128;g>0;--g)m=b[f+34&127],h=b[f=f+1&127],m^=m<<13,h^=h<<17,m^=m>>>15,h^=h>>>12,b[f]=m^h;d.w=y,d.X=b,d.i=f}p(u,l)}function i(l,u){return u.i=l.i,u.w=l.w,u.X=l.X.slice(),u}function o(l,u){l==null&&(l=+new Date);var p=new s(l),d=u&&u.state,c=function(){return(p.next()>>>0)/4294967296};return c.double=function(){do var h=p.next()>>>11,m=(p.next()>>>0)/4294967296,f=(h+m)/(1<<21);while(f===0);return f},c.int32=p.next,c.quick=c,d&&(d.X&&i(d,p),c.state=function(){return i(p,{})}),c}a&&a.exports?a.exports=o:r&&r.amd?r(function(){return o}):this.xor4096=o})(e,typeof t=="object"&&t,typeof define=="function"&&define)}),AF=Wt((e,t)=>{(function(n,a,r){function s(l){var u=this,p="";u.next=function(){var c=u.b,h=u.c,m=u.d,f=u.a;return c=c<<25^c>>>7^h,h=h-m|0,m=m<<24^m>>>8^f,f=f-c|0,u.b=c=c<<20^c>>>12^h,u.c=h=h-m|0,u.d=m<<16^h>>>16^f,u.a=f-c|0},u.a=0,u.b=0,u.c=-1640531527,u.d=1367130551,l===Math.floor(l)?(u.a=l/4294967296|0,u.b=l|0):p+=l;for(var d=0;d>>0)/4294967296};return c.double=function(){do var h=p.next()>>>11,m=(p.next()>>>0)/4294967296,f=(h+m)/(1<<21);while(f===0);return f},c.int32=p.next,c.quick=c,d&&(typeof d=="object"&&i(d,p),c.state=function(){return i(p,{})}),c}a&&a.exports?a.exports=o:r&&r.amd?r(function(){return o}):this.tychei=o})(e,typeof t=="object"&&t,typeof define=="function"&&define)}),$F=Wt(()=>{}),FF=Wt((e,t)=>{(function(n,a,r){var s=256,i=6,o=52,l="random",u=r.pow(s,i),p=r.pow(2,o),d=p*2,c=s-1,h;function m(I,T,_){var A=[];T=T==!0?{entropy:!0}:T||{};var F=b(y(T.entropy?[I,v(a)]:I==null?x():I,3),A),P=new f(A),$=function(){for(var S=P.g(i),M=u,U=0;S=d;)S/=2,M/=2,U>>>=1;return(S+U)/M};return $.int32=function(){return P.g(4)|0},$.quick=function(){return P.g(4)/4294967296},$.double=$,b(v(P.S),a),(T.pass||_||function(S,M,U,j){return j&&(j.S&&g(j,P),S.state=function(){return g(P,{})}),U?(r[l]=S,M):S})($,F,"global"in T?T.global:this==r,T.state)}function f(I){var T,_=I.length,A=this,F=0,P=A.i=A.j=0,$=A.S=[];for(_||(I=[_++]);F{var n=NF(),a=TF(),r=CF(),s=_F(),i=EF(),o=AF(),l=FF();l.alea=n,l.xor128=a,l.xorwow=r,l.xorshift7=s,l.xor4096=i,l.tychei=o,t.exports=l}),TI=Wt(()=>{}),Fx=Wt(()=>{}),$h=Wt(()=>{}),DF=Wt(()=>{}),RF=Wt(()=>{}),MF=Wt(()=>{}),PF=Wt((e,t)=>{var n=(()=>{var a=typeof document!="undefined"&&document.currentScript?document.currentScript.src:void 0;return typeof __filename!="undefined"&&(a=a||__filename),function(r){r=r||{};function s(){return Te.buffer!=bn&&Pa(Te.buffer),Ed}function i(){return Te.buffer!=bn&&Pa(Te.buffer),Ad}function o(){return Te.buffer!=bn&&Pa(Te.buffer),Ip}function l(){return Te.buffer!=bn&&Pa(Te.buffer),$d}function u(){return Te.buffer!=bn&&Pa(Te.buffer),Fd}function p(){return Te.buffer!=bn&&Pa(Te.buffer),Dd}function d(){return Te.buffer!=bn&&Pa(Te.buffer),Rd}var c=typeof r!="undefined"?r:{},h,m;c.ready=new Promise(function(N,D){h=N,m=D});var f;typeof process!="undefined"&&process.listeners&&(f={uncaughtException:process.listeners("uncaughtException"),unhandledRejection:process.listeners("unhandledRejection")});var g=Object.assign({},c),y=[],b="./this.program",x=(N,D)=>{throw D},v=typeof window=="object",I=typeof importScripts=="function",T=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string",_=c.ENVIRONMENT_IS_PTHREAD||!1,A="";function F(N){return c.locateFile?c.locateFile(N,A):A+N}var P,$,S,M;function U(N){N instanceof Dp||Q("exiting due to exception: "+N)}var j,q,K;if(T){I?A=$h().dirname(A)+"/":A=__dirname+"/",K=()=>{q||(j=Fx(),q=$h())},P=function(D,V){return K(),D=q.normalize(D),j.readFileSync(D,V?void 0:"utf8")},S=D=>{var V=P(D,!0);return V.buffer||(V=new Uint8Array(V)),V},$=(D,V,J)=>{K(),D=q.normalize(D),j.readFile(D,function(pe,me){pe?J(pe):V(me.buffer)})},process.argv.length>1&&(b=process.argv[1].replace(/\\/g,"/")),y=process.argv.slice(2),process.on("uncaughtException",function(D){if(!(D instanceof Dp))throw D}),process.on("unhandledRejection",function(D){throw D}),x=(D,V)=>{if(Ls())throw process.exitCode=D,V;U(V),process.exit(D)},c.inspect=function(){return"[Emscripten Module object]"};let N;try{N=DF()}catch(D){throw console.error('The "worker_threads" module is not supported in this node.js build - perhaps a newer version is needed?'),D}global.Worker=N.Worker}else(v||I)&&(I?A=self.location.href:typeof document!="undefined"&&document.currentScript&&(A=document.currentScript.src),typeof a!="undefined"&&a&&(A=a),A.indexOf("blob:")!==0?A=A.substr(0,A.replace(/[?#].*/,"").lastIndexOf("/")+1):A="",T||(P=N=>{var D=new XMLHttpRequest;return D.open("GET",N,!1),D.send(null),D.responseText},I&&(S=N=>{var D=new XMLHttpRequest;return D.open("GET",N,!1),D.responseType="arraybuffer",D.send(null),new Uint8Array(D.response)}),$=(N,D,V)=>{var J=new XMLHttpRequest;J.open("GET",N,!0),J.responseType="arraybuffer",J.onload=()=>{if(J.status==200||J.status==0&&J.response){D(J.response);return}V()},J.onerror=V,J.send(null)}),M=N=>document.title=N);T&&typeof performance=="undefined"&&(global.performance=RF().performance);var Y=console.log.bind(console),te=console.warn.bind(console);T&&(K(),Y=N=>j.writeSync(1,N+` `),te=N=>j.writeSync(2,N+` `));var re=c.print||Y,Q=c.printErr||te;Object.assign(c,g),g=null,c.arguments&&(y=c.arguments),c.thisProgram&&(b=c.thisProgram),c.quit&&(x=c.quit);var ie=4;function ae(N){ae.shown||(ae.shown={}),ae.shown[N]||(ae.shown[N]=1,Q(N))}function oe(N,D){if(typeof WebAssembly.Function=="function"){for(var V={i:"i32",j:"i64",f:"f32",d:"f64"},J={parameters:[],results:D[0]=="v"?[]:[V[D[0]]]},pe=1;pe{Ee=N},We=Atomics.load,je=Atomics.store,st=Atomics.compareExchange,et;c.wasmBinary&&(et=c.wasmBinary);var tt=c.noExitRuntime||!0;typeof WebAssembly!="object"&&Vo("no native wasm support detected");var Te,ft,dt=!1,yn;function Yt(N,D){N||Vo(D)}function Rn(N){var D=c["_"+N];return D}function Ut(N,D,V,J,pe){var me={string:function(la){var Zo=0;if(la!=null&&la!==0){var Z1=(la.length<<2)+1;Zo=Jo(Z1),Ps(la,Zo,Z1)}return Zo},array:function(la){var Zo=Jo(la.length);return xr(la,Zo),Zo}};function ve(la){return D==="string"?ia(la):D==="boolean"?Boolean(la):la}var Ce=Rn(N),Ct=[],Ba=0;if(J)for(var Wa=0;Wa(V.buffer instanceof SharedArrayBuffer&&(V=new Uint8Array(V)),D.decode.call(D,V))}var Gt=typeof TextDecoder!="undefined"?new Mn("utf8"):void 0;function sa(N,D,V){for(var J=D+V,pe=D;N[pe]&&!(pe>=J);)++pe;if(pe-D>16&&N.subarray&&Gt)return Gt.decode(N.subarray(D,pe));for(var me="";D>10,56320|Ba&1023)}}return me}function ia(N,D){return N?sa(i(),N,D):""}function Wr(N,D,V,J){if(!(J>0))return 0;for(var pe=V,me=V+J-1,ve=0;ve=55296&&Ce<=57343){var Ct=N.charCodeAt(++ve);Ce=65536+((Ce&1023)<<10)|Ct&1023}if(Ce<=127){if(V>=me)break;D[V++]=Ce}else if(Ce<=2047){if(V+1>=me)break;D[V++]=192|Ce>>6,D[V++]=128|Ce&63}else if(Ce<=65535){if(V+2>=me)break;D[V++]=224|Ce>>12,D[V++]=128|Ce>>6&63,D[V++]=128|Ce&63}else{if(V+3>=me)break;D[V++]=240|Ce>>18,D[V++]=128|Ce>>12&63,D[V++]=128|Ce>>6&63,D[V++]=128|Ce&63}}return D[V]=0,V-pe}function Ps(N,D,V){return Wr(N,i(),D,V)}function _d(N){for(var D=0,V=0;V=55296&&J<=57343&&(J=65536+((J&1023)<<10)|N.charCodeAt(++V)&1023),J<=127?++D:J<=2047?D+=2:J<=65535?D+=3:D+=4}return D}var Vr=typeof TextDecoder!="undefined"?new Mn("utf-16le"):void 0;function xr(N,D){s().set(N,D)}function kp(N,D,V){for(var J=0;J>0]=N.charCodeAt(J);V||(s()[D>>0]=0)}function Bo(N,D){return N%D>0&&(N+=D-N%D),N}var bn,Ed,Ad,Ip,$d,Fd,F1,Dd,Rd;_&&(bn=c.buffer);function Pa(N){bn=N,c.HEAP8=Ed=new Int8Array(N),c.HEAP16=Ip=new Int16Array(N),c.HEAP32=Fd=new Int32Array(N),c.HEAPU8=Ad=new Uint8Array(N),c.HEAPU16=$d=new Uint16Array(N),c.HEAPU32=F1=new Uint32Array(N),c.HEAPF32=Dd=new Float32Array(N),c.HEAPF64=Rd=new Float64Array(N)}var Md=c.INITIAL_MEMORY||16777216;if(_)Te=c.wasmMemory,bn=c.buffer;else if(c.wasmMemory)Te=c.wasmMemory;else if(Te=new WebAssembly.Memory({initial:Md/65536,maximum:32768,shared:!0}),!(Te.buffer instanceof SharedArrayBuffer))throw Q("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag"),T&&console.log("(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and also use a recent version)"),Error("bad memory");Te&&(bn=Te.buffer),Md=bn.byteLength,Pa(bn);var oa,Wo=[],Ur=[],Pg=[],Pd=[],Os=!1,Og=!1,Od=0;function Ls(){return tt||Od>0}function xn(){if(c.preRun)for(typeof c.preRun=="function"&&(c.preRun=[c.preRun]);c.preRun.length;)D1(c.preRun.shift());Wd(Wo)}function Sp(){Os=!0,!_&&Wd(Ur)}function Lg(){_||(_e.terminateAllThreads(),Og=!0)}function zg(){if(!_){if(c.postRun)for(typeof c.postRun=="function"&&(c.postRun=[c.postRun]);c.postRun.length;)Np(c.postRun.shift());Wd(Pd)}}function D1(N){Wo.unshift(N)}function R1(N){Ur.unshift(N)}function Np(N){Pd.unshift(N)}var Gr=0,Ld=null,Oa=null;function Tp(N){Gr++,c.monitorRunDependencies&&c.monitorRunDependencies(Gr)}function M1(N){if(Gr--,c.monitorRunDependencies&&c.monitorRunDependencies(Gr),Gr==0&&(Ld!==null&&(clearInterval(Ld),Ld=null),Oa)){var D=Oa;Oa=null,D()}}c.preloadedImages={},c.preloadedAudios={};function Vo(N){_?postMessage({cmd:"onAbort",arg:N}):c.onAbort&&c.onAbort(N),N="Aborted("+N+")",Q(N),dt=!0,yn=1,N+=". Build with -s ASSERTIONS=1 for more info.";var D=new WebAssembly.RuntimeError(N);throw m(D),D}var Bg="data:application/octet-stream;base64,";function Cp(N){return N.startsWith(Bg)}function zd(N){return N.startsWith("file://")}var vn;vn="tfjs-backend-wasm-threaded-simd.wasm",Cp(vn)||(vn=F(vn));function Bd(N){try{if(N==vn&&et)return new Uint8Array(et);if(S)return S(N);throw"both async and sync fetching of the wasm failed"}catch(D){Vo(D)}}function Uo(){if(!et&&(v||I)){if(typeof fetch=="function"&&!zd(vn))return fetch(vn,{credentials:"same-origin"}).then(function(N){if(!N.ok)throw"failed to load wasm binary file at '"+vn+"'";return N.arrayBuffer()}).catch(function(){return Bd(vn)});if($)return new Promise(function(N,D){$(vn,function(V){N(new Uint8Array(V))},D)})}return Promise.resolve().then(function(){return Bd(vn)})}function Wg(){var N={env:Qd,wasi_snapshot_preview1:Qd};function D(ve,Ce){var Ct=ve.exports;if(c.asm=Ct,Kg(c.asm.emscripten_tls_init),oa=c.asm.__indirect_function_table,R1(c.asm.__wasm_call_ctors),ft=Ce,!_){var Ba=_e.unusedWorkers.length;_e.unusedWorkers.forEach(function(Wa){_e.loadWasmModuleToWorker(Wa,function(){--Ba||M1("wasm-instantiate")})})}}_||Tp("wasm-instantiate");function V(ve){D(ve.instance,ve.module)}function J(ve){return Uo().then(function(Ce){return WebAssembly.instantiate(Ce,N)}).then(function(Ce){return Ce}).then(ve,function(Ce){Q("failed to asynchronously prepare wasm: "+Ce),Vo(Ce)})}function pe(){return!et&&typeof WebAssembly.instantiateStreaming=="function"&&!Cp(vn)&&!zd(vn)&&typeof fetch=="function"?fetch(vn,{credentials:"same-origin"}).then(function(ve){var Ce=WebAssembly.instantiateStreaming(ve,N);return Ce.then(V,function(Ct){return Q("wasm streaming compile failed: "+Ct),Q("falling back to ArrayBuffer instantiation"),J(V)})}):J(V)}if(c.instantiateWasm)try{var me=c.instantiateWasm(N,D);return me}catch(ve){return Q("Module.instantiateWasm callback failed with error: "+ve),!1}return pe().catch(m),{}}var P1,O1,Vg={};function Wd(N){for(;N.length>0;){var D=N.shift();if(typeof D=="function"){D(c);continue}var V=D.func;typeof V=="number"?D.arg===void 0?Ho(V)():Ho(V)(D.arg):V(D.arg===void 0?null:D.arg)}}function Go(N){var D=fb(),V=N();return rh(D),V}function w$(N){return N}function L1(N){var D=/\b_Z[\w\d_]+/g;return N.replace(D,function(V){var J=V;return V===J?V:J+" ["+V+"]"})}function Ug(N){u()[N>>2]=0;var D=_e.pthreads[N];delete _e.pthreads[N],D.worker.terminate(),mb(N),_e.runningWorkers.splice(_e.runningWorkers.indexOf(D.worker),1),D.worker.pthread=void 0}function Gg(N){var D=_e.pthreads[N];D.worker.postMessage({cmd:"cancel"})}function Vd(N){var D=_e.pthreads[N];if(D){u()[N>>2]=0;var V=D.worker;_e.returnWorkerToPool(V)}}function Ud(N){pF(N)}function Hg(N){if(N instanceof Dp||N=="unwind")return yn;x(1,N)}var _e={unusedWorkers:[],runningWorkers:[],tlsInitFunctions:[],init:function(){_?_e.initWorker():_e.initMainThread()},initMainThread:function(){for(var N=8,D=0;D>2]=0;try{N()}finally{u()[J1>>2]=1}},receiveObjectTransfer:function(N){},threadInit:function(){for(var N in _e.tlsInitFunctions)_e.tlsInitFunctions[N]()},loadWasmModuleToWorker:function(N,D){N.onmessage=V=>{var J=V.data,pe=J.cmd;if(N.pthread&&(_e.currentProxiedOperationCallerThread=N.pthread.threadInfoStruct),J.targetThread&&J.targetThread!=ah()){var me=_e.pthreads[J.targetThread];me?me.worker.postMessage(J,J.transferList):Q('Internal error! Worker sent a message "'+pe+'" to target pthread '+J.targetThread+", but that thread no longer exists!"),_e.currentProxiedOperationCallerThread=void 0;return}pe==="processQueuedMainThreadWork"?j1():pe==="spawnThread"?Hd(J):pe==="cleanupThread"?Vd(J.thread):pe==="killThread"?Ug(J.thread):pe==="cancelThread"?Gg(J.thread):pe==="loaded"?(N.loaded=!0,D&&D(N),N.runPthread&&(N.runPthread(),delete N.runPthread)):pe==="print"?re("Thread "+J.threadId+": "+J.text):pe==="printErr"?Q("Thread "+J.threadId+": "+J.text):pe==="alert"?alert("Thread "+J.threadId+": "+J.text):J.target==="setimmediate"?N.postMessage(J):pe==="onAbort"?c.onAbort&&c.onAbort(J.arg):Q("worker sent an unknown command "+pe),_e.currentProxiedOperationCallerThread=void 0},N.onerror=V=>{var J="worker sent an error!";throw Q(J+" "+V.filename+":"+V.lineno+": "+V.message),V},T&&(N.on("message",function(V){N.onmessage({data:V})}),N.on("error",function(V){N.onerror(V)}),N.on("detachedExit",function(){})),N.postMessage({cmd:"load",urlOrBlob:c.mainScriptUrlOrBlob||a,wasmMemory:Te,wasmModule:ft})},allocateUnusedWorker:function(){var N=F("tfjs-backend-wasm-threaded-simd.worker.js");_e.unusedWorkers.push(new Worker(N))},getNewWorker:function(){return _e.unusedWorkers.length==0&&(_e.allocateUnusedWorker(),_e.loadWasmModuleToWorker(_e.unusedWorkers[0])),_e.unusedWorkers.pop()}};function jg(){var N=ah(),D=u()[N+44>>2],V=u()[N+48>>2],J=D-V;Y1(D,J),rh(D)}c.establishStackSpace=jg;function Gd(N){if(_)return Ws(1,0,N);try{Ud(N)}catch(D){Hg(D)}}var zs=[];function Ho(N){var D=zs[N];return D||(N>=zs.length&&(zs.length=N+1),zs[N]=D=oa.get(N)),D}function qg(N,D){return Ho(N)(D)}c.invokeEntryPoint=qg;function z1(){var N=new Error;if(!N.stack){try{throw new Error}catch(D){N=D}if(!N.stack)return"(no stack trace available)"}return N.stack.toString()}function Kg(N,D,V){_e.tlsInitFunctions.push(N)}function B1(N,D){oa.set(N,D),zs[N]=D}var Bs;T?Bs=()=>{var N=process.hrtime();return N[0]*1e3+N[1]/1e6}:_?Bs=()=>performance.now()-c.__performance_now_clock_drift:Bs=()=>performance.now();var Xg=!0;function Yg(N){return u()[H1()>>2]=N,N}function Jg(N,D){var V;if(N===0)V=Date.now();else if((N===1||N===4)&&Xg)V=Bs();else return Yg(28),-1;return u()[D>>2]=V/1e3|0,u()[D+4>>2]=V%1e3*1e3*1e3|0,0}function Zg(N,D){return Jg(N,D)}function Qg(N){q1(N,!I,1,!v),_e.threadInit()}function ey(N){_?postMessage({cmd:"cleanupThread",thread:N}):Vd(N)}function Hd(N){var D=_e.getNewWorker();if(!D)return 6;_e.runningWorkers.push(D);var V=_e.pthreads[N.pthread_ptr]={worker:D,threadInfoStruct:N.pthread_ptr};D.pthread=V;var J={cmd:"run",start_routine:N.startRoutine,arg:N.arg,threadInfoStruct:N.pthread_ptr};return D.runPthread=()=>{J.time=performance.now(),D.postMessage(J,N.transferList)},D.loaded&&(D.runPthread(),delete D.runPthread),0}function ty(N,D,V,J){if(typeof SharedArrayBuffer=="undefined")return Q("Current environment does not support SharedArrayBuffer, pthreads are not available!"),6;var pe=[],me=0;if(_&&(pe.length===0||me))return K1(687865856,N,D,V,J);if(me)return me;var ve={startRoutine:V,pthread_ptr:N,arg:J,transferList:pe};return _?(ve.cmd="spawnThread",postMessage(ve,pe),0):Hd(ve)}function ny(){return 2097152}function ay(N,D){if(N==D)postMessage({cmd:"processQueuedMainThreadWork"});else if(_)postMessage({targetThread:N,cmd:"processThreadQueue"});else{var V=_e.pthreads[N],J=V&&V.worker;if(!J)return;J.postMessage({cmd:"processThreadQueue"})}return 1}function ry(){Vo("")}function sy(){T||I||ae("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread")}function jd(){return 2147483648}function iy(N,D,V){i().copyWithin(N,D,D+V)}function oy(){return T?MF().cpus().length:navigator.hardwareConcurrency}function Ws(N,D){var V=arguments.length-2,J=arguments;return Go(function(){for(var pe=V,me=Jo(pe*8),ve=me>>3,Ce=0;Ce>3,pe=0;pe>>16),Pa(Te.buffer),1}catch(D){}}function py(N){var D=i().length;if(N=N>>>0,N<=D)return!1;var V=jd();if(N>V)return!1;for(var J=1;J<=4;J*=2){var pe=D*(1+.2/J);pe=Math.min(pe,N+100663296);var me=Math.min(V,Bo(Math.max(N,pe),65536)),ve=uy(me);if(ve)return!0}return!1}var Ue={inEventHandler:0,removeAllEventListeners:function(){for(var N=Ue.eventHandlers.length-1;N>=0;--N)Ue._removeHandler(N);Ue.eventHandlers=[],Ue.deferredCalls=[]},registerRemoveEventListeners:function(){Ue.removeEventListenersRegistered||(Pg.push(Ue.removeAllEventListeners),Ue.removeEventListenersRegistered=!0)},deferredCalls:[],deferCall:function(N,D,V){function J(ve,Ce){if(ve.length!=Ce.length)return!1;for(var Ct in ve)if(ve[Ct]!=Ce[Ct])return!1;return!0}for(var pe in Ue.deferredCalls){var me=Ue.deferredCalls[pe];if(me.targetFunction==N&&J(me.argsList,V))return}Ue.deferredCalls.push({targetFunction:N,precedence:D,argsList:V}),Ue.deferredCalls.sort(function(ve,Ce){return ve.precedence>2]=V,u()[me+4>>2]=J,u()[me+8>>2]=pe,hb(N,637534208,D,J,me)})},getTargetThreadForEventCallback:function(N){switch(N){case 1:return 0;case 2:return _e.currentProxiedOperationCallerThread;default:return N}},getNodeNameForTarget:function(N){return N?N==window?"#window":N==screen?"#screen":N&&N.nodeName?N.nodeName:"":""},fullscreenEnabled:function(){return document.fullscreenEnabled||document.webkitFullscreenEnabled}};function cy(N){var D=_d(N)+1,V=db(D);return Ps(N,V,D),V}function dy(N,D,V,J){Go(function(){var pe=Jo(12),me=0;D&&(me=cy(D)),u()[pe>>2]=me,u()[pe+4>>2]=V,u()[pe+8>>2]=J,hb(N,657457152,0,me,pe)})}function hy(N,D,V,J){D=D?ia(D):"",dy(N,D,V,J)}function my(N){return N>2?ia(N):N}var fy=[0,typeof document!="undefined"?document:0,typeof window!="undefined"?window:0];function gy(N){N=my(N);var D=fy[N]||(typeof document!="undefined"?document.querySelector(N):void 0);return D}function Ep(N){return gy(N)}function qd(N,D,V){var J=Ep(N);if(!J)return-4;if(J.canvasSharedPtr&&(u()[J.canvasSharedPtr>>2]=D,u()[J.canvasSharedPtr+4>>2]=V),J.offscreenCanvas||!J.controlTransferredOffscreen){J.offscreenCanvas&&(J=J.offscreenCanvas);var pe=!1;if(J.GLctxObject&&J.GLctxObject.GLctx){var me=J.GLctxObject.GLctx.getParameter(2978);pe=me[0]===0&&me[1]===0&&me[2]===J.width&&me[3]===J.height}J.width=D,J.height=V,pe&&J.GLctxObject.GLctx.viewport(0,0,D,V)}else if(J.canvasSharedPtr){var ve=u()[J.canvasSharedPtr+8>>2];return hy(ve,N,D,V),1}else return-4;return 0}function Kd(N,D,V){return _?Ws(2,1,N,D,V):qd(N,D,V)}function yy(N,D,V){var J=Ep(N);return J?qd(N,D,V):Kd(N,D,V)}function by(){throw"unwind"}function xy(N){var D=N.getExtension("ANGLE_instanced_arrays");if(D)return N.vertexAttribDivisor=function(V,J){D.vertexAttribDivisorANGLE(V,J)},N.drawArraysInstanced=function(V,J,pe,me){D.drawArraysInstancedANGLE(V,J,pe,me)},N.drawElementsInstanced=function(V,J,pe,me,ve){D.drawElementsInstancedANGLE(V,J,pe,me,ve)},1}function vy(N){var D=N.getExtension("OES_vertex_array_object");if(D)return N.createVertexArray=function(){return D.createVertexArrayOES()},N.deleteVertexArray=function(V){D.deleteVertexArrayOES(V)},N.bindVertexArray=function(V){D.bindVertexArrayOES(V)},N.isVertexArray=function(V){return D.isVertexArrayOES(V)},1}function wy(N){var D=N.getExtension("WEBGL_draw_buffers");if(D)return N.drawBuffers=function(V,J){D.drawBuffersWEBGL(V,J)},1}function ky(N){return!!(N.multiDrawWebgl=N.getExtension("WEBGL_multi_draw"))}var Tt={counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:{},offscreenCanvases:{},queries:[],stringCache:{},unpackAlignment:4,recordError:function(N){Tt.lastError||(Tt.lastError=N)},getNewId:function(N){for(var D=Tt.counter++,V=N.length;V>2]:-1;pe+=ia(u()[V+me*4>>2],ve<0?void 0:ve)}return pe},createContext:function(N,D){N.getContextSafariWebGL2Fixed||(N.getContextSafariWebGL2Fixed=N.getContext,N.getContext=function(pe,me){var ve=N.getContextSafariWebGL2Fixed(pe,me);return pe=="webgl"==ve instanceof WebGLRenderingContext?ve:null});var V=N.getContext("webgl",D);if(!V)return 0;var J=Tt.registerContext(V,D);return J},registerContext:function(N,D){var V=db(8);u()[V+4>>2]=ah();var J={handle:V,attributes:D,version:D.majorVersion,GLctx:N};return N.canvas&&(N.canvas.GLctxObject=J),Tt.contexts[V]=J,(typeof D.enableExtensionsByDefault=="undefined"||D.enableExtensionsByDefault)&&Tt.initExtensions(J),V},makeContextCurrent:function(N){return Tt.currentContext=Tt.contexts[N],c.ctx=Zd=Tt.currentContext&&Tt.currentContext.GLctx,!(N&&!Zd)},getContext:function(N){return Tt.contexts[N]},deleteContext:function(N){Tt.currentContext===Tt.contexts[N]&&(Tt.currentContext=null),typeof Ue=="object"&&Ue.removeAllHandlersOnTarget(Tt.contexts[N].GLctx.canvas),Tt.contexts[N]&&Tt.contexts[N].GLctx.canvas&&(Tt.contexts[N].GLctx.canvas.GLctxObject=void 0),G1(Tt.contexts[N].handle),Tt.contexts[N]=null},initExtensions:function(N){if(N||(N=Tt.currentContext),!N.initExtensionsDone){N.initExtensionsDone=!0;var D=N.GLctx;xy(D),vy(D),wy(D),D.disjointTimerQueryExt=D.getExtension("EXT_disjoint_timer_query"),ky(D);var V=D.getSupportedExtensions()||[];V.forEach(function(J){!J.includes("lose_context")&&!J.includes("debug")&&D.getExtension(J)})}}},Iy=["default","low-power","high-performance"];function Sy(N,D){var V=D>>2,J=u()[V+6],pe={alpha:!!u()[V+0],depth:!!u()[V+1],stencil:!!u()[V+2],antialias:!!u()[V+3],premultipliedAlpha:!!u()[V+4],preserveDrawingBuffer:!!u()[V+5],powerPreference:Iy[J],failIfMajorPerformanceCaveat:!!u()[V+7],majorVersion:u()[V+8],minorVersion:u()[V+9],enableExtensionsByDefault:u()[V+10],explicitSwapControl:u()[V+11],proxyContextToMainThread:u()[V+12],renderViaOffscreenBackBuffer:u()[V+13]},me=Ep(N);if(!me||pe.explicitSwapControl)return 0;var ve=Tt.createContext(me,pe);return ve}function Ny(N,D){return Sy(N,D)}var jo={mappings:{},buffers:[null,[],[]],printChar:function(N,D){var V=jo.buffers[N];D===0||D===10?((N===1?re:Q)(sa(V,0)),V.length=0):V.push(D)},varargs:void 0,get:function(){jo.varargs+=4;var N=u()[jo.varargs-4>>2];return N},getStr:function(N){var D=ia(N);return D},get64:function(N,D){return N}};function Xd(N){return _?Ws(3,1,N):0}function Yd(N,D,V,J,pe){if(_)return Ws(4,1,N,D,V,J,pe)}function Jd(N,D,V,J){if(_)return Ws(5,1,N,D,V,J);for(var pe=0,me=0;me>2],Ce=u()[D+4>>2];D+=8;for(var Ct=0;Ct>2]=pe,0}function Ty(N){De(N)}_e.init();var Zd,Cy=[null,Gd,Kd,Xd,Yd,Jd],W1=!1,Qd={__clock_gettime:Zg,__emscripten_init_main_thread_js:Qg,__emscripten_thread_cleanup:ey,__pthread_create_js:ty,_emscripten_default_pthread_stack_size:ny,_emscripten_notify_thread_queue:ay,abort:ry,emscripten_check_blocking_allowed:sy,emscripten_get_heap_max:jd,emscripten_get_now:Bs,emscripten_memcpy_big:iy,emscripten_num_logical_cores:oy,emscripten_receive_on_main_thread_js:ly,emscripten_resize_heap:py,emscripten_set_canvas_element_size:yy,emscripten_unwind_to_js_event_loop:by,emscripten_webgl_create_context:Ny,exit:Ud,fd_close:Xd,fd_seek:Yd,fd_write:Jd,memory:Te||c.wasmMemory,setTempRet0:Ty},V1=Wg(),_y=c.___wasm_call_ctors=function(){return(_y=c.___wasm_call_ctors=c.asm.__wasm_call_ctors).apply(null,arguments)},Ey=c._init=function(){return(Ey=c._init=c.asm.init).apply(null,arguments)},Ay=c._init_with_threads_count=function(){return(Ay=c._init_with_threads_count=c.asm.init_with_threads_count).apply(null,arguments)},$y=c._get_threads_count=function(){return($y=c._get_threads_count=c.asm.get_threads_count).apply(null,arguments)},Fy=c._register_tensor=function(){return(Fy=c._register_tensor=c.asm.register_tensor).apply(null,arguments)},Dy=c._dispose_data=function(){return(Dy=c._dispose_data=c.asm.dispose_data).apply(null,arguments)},Ry=c._dispose=function(){return(Ry=c._dispose=c.asm.dispose).apply(null,arguments)},My=c._Abs=function(){return(My=c._Abs=c.asm.Abs).apply(null,arguments)},Py=c._Add=function(){return(Py=c._Add=c.asm.Add).apply(null,arguments)},Oy=c._AddN=function(){return(Oy=c._AddN=c.asm.AddN).apply(null,arguments)},Ly=c._All=function(){return(Ly=c._All=c.asm.All).apply(null,arguments)},zy=c._Any=function(){return(zy=c._Any=c.asm.Any).apply(null,arguments)},By=c._ArgMax=function(){return(By=c._ArgMax=c.asm.ArgMax).apply(null,arguments)},Wy=c._AvgPool=function(){return(Wy=c._AvgPool=c.asm.AvgPool).apply(null,arguments)},Vy=c._BatchMatMul=function(){return(Vy=c._BatchMatMul=c.asm.BatchMatMul).apply(null,arguments)},Uy=c._Ceil=function(){return(Uy=c._Ceil=c.asm.Ceil).apply(null,arguments)},Gy=c._ClipByValue=function(){return(Gy=c._ClipByValue=c.asm.ClipByValue).apply(null,arguments)},Hy=c._Conv2D=function(){return(Hy=c._Conv2D=c.asm.Conv2D).apply(null,arguments)},jy=c._Conv2DBackpropInput=function(){return(jy=c._Conv2DBackpropInput=c.asm.Conv2DBackpropInput).apply(null,arguments)},qy=c._Cos=function(){return(qy=c._Cos=c.asm.Cos).apply(null,arguments)},Ky=c._Cosh=function(){return(Ky=c._Cosh=c.asm.Cosh).apply(null,arguments)},Xy=c._CropAndResize=function(){return(Xy=c._CropAndResize=c.asm.CropAndResize).apply(null,arguments)},Yy=c._Cumprod=function(){return(Yy=c._Cumprod=c.asm.Cumprod).apply(null,arguments)},Jy=c._Cumsum=function(){return(Jy=c._Cumsum=c.asm.Cumsum).apply(null,arguments)},Zy=c._DepthToSpace=function(){return(Zy=c._DepthToSpace=c.asm.DepthToSpace).apply(null,arguments)},Qy=c._DepthwiseConv2dNative=function(){return(Qy=c._DepthwiseConv2dNative=c.asm.DepthwiseConv2dNative).apply(null,arguments)},eb=c._Elu=function(){return(eb=c._Elu=c.asm.Elu).apply(null,arguments)},tb=c._Equal=function(){return(tb=c._Equal=c.asm.Equal).apply(null,arguments)},nb=c._Exp=function(){return(nb=c._Exp=c.asm.Exp).apply(null,arguments)},ab=c._FlipLeftRight=function(){return(ab=c._FlipLeftRight=c.asm.FlipLeftRight).apply(null,arguments)},rb=c._Floor=function(){return(rb=c._Floor=c.asm.Floor).apply(null,arguments)},sb=c._FloorDiv=function(){return(sb=c._FloorDiv=c.asm.FloorDiv).apply(null,arguments)},ib=c._FusedBatchNorm=function(){return(ib=c._FusedBatchNorm=c.asm.FusedBatchNorm).apply(null,arguments)},ob=c._FusedConv2D=function(){return(ob=c._FusedConv2D=c.asm.FusedConv2D).apply(null,arguments)},eh=c._FusedDepthwiseConv2D=function(){return(eh=c._FusedDepthwiseConv2D=c.asm.FusedDepthwiseConv2D).apply(null,arguments)},th=c._Gather=function(){return(th=c._Gather=c.asm.Gather).apply(null,arguments)},Ap=c._GatherNd=function(){return(Ap=c._GatherNd=c.asm.GatherNd).apply(null,arguments)},lb=c._Greater=function(){return(lb=c._Greater=c.asm.Greater).apply(null,arguments)},ub=c._GreaterEqual=function(){return(ub=c._GreaterEqual=c.asm.GreaterEqual).apply(null,arguments)},qo=c._LeakyRelu=function(){return(qo=c._LeakyRelu=c.asm.LeakyRelu).apply(null,arguments)},$p=c._Less=function(){return($p=c._Less=c.asm.Less).apply(null,arguments)},Fp=c._LessEqual=function(){return(Fp=c._LessEqual=c.asm.LessEqual).apply(null,arguments)},U1=c._Log=function(){return(U1=c._Log=c.asm.Log).apply(null,arguments)},Ko=c._LogicalAnd=function(){return(Ko=c._LogicalAnd=c.asm.LogicalAnd).apply(null,arguments)},Xo=c._LogicalNot=function(){return(Xo=c._LogicalNot=c.asm.LogicalNot).apply(null,arguments)},pb=c._LogicalOr=function(){return(pb=c._LogicalOr=c.asm.LogicalOr).apply(null,arguments)},G=c._LogicalXor=function(){return(G=c._LogicalXor=c.asm.LogicalXor).apply(null,arguments)},ee=c._Max=function(){return(ee=c._Max=c.asm.Max).apply(null,arguments)},de=c._MaxPool=function(){return(de=c._MaxPool=c.asm.MaxPool).apply(null,arguments)},Se=c._Maximum=function(){return(Se=c._Maximum=c.asm.Maximum).apply(null,arguments)},Ze=c._Mean=function(){return(Ze=c._Mean=c.asm.Mean).apply(null,arguments)},nt=c._Min=function(){return(nt=c._Min=c.asm.Min).apply(null,arguments)},Ge=c._Minimum=function(){return(Ge=c._Minimum=c.asm.Minimum).apply(null,arguments)},Ve=c._MirrorPad=function(){return(Ve=c._MirrorPad=c.asm.MirrorPad).apply(null,arguments)},Ot=c._Multiply=function(){return(Ot=c._Multiply=c.asm.Multiply).apply(null,arguments)},La=c._Neg=function(){return(La=c._Neg=c.asm.Neg).apply(null,arguments)},za=c._NonMaxSuppressionV3=function(){return(za=c._NonMaxSuppressionV3=c.asm.NonMaxSuppressionV3).apply(null,arguments)},Yo=c._NonMaxSuppressionV4=function(){return(Yo=c._NonMaxSuppressionV4=c.asm.NonMaxSuppressionV4).apply(null,arguments)},Vs=c._NonMaxSuppressionV5=function(){return(Vs=c._NonMaxSuppressionV5=c.asm.NonMaxSuppressionV5).apply(null,arguments)},cb=c._NotEqual=function(){return(cb=c._NotEqual=c.asm.NotEqual).apply(null,arguments)},Pn=c._OneHot=function(){return(Pn=c._OneHot=c.asm.OneHot).apply(null,arguments)},Hr=c._PadV2=function(){return(Hr=c._PadV2=c.asm.PadV2).apply(null,arguments)},nh=c._Pow=function(){return(nh=c._Pow=c.asm.Pow).apply(null,arguments)},k$=c._Prelu=function(){return(k$=c._Prelu=c.asm.Prelu).apply(null,arguments)},I$=c._Prod=function(){return(I$=c._Prod=c.asm.Prod).apply(null,arguments)},S$=c._RealDiv=function(){return(S$=c._RealDiv=c.asm.RealDiv).apply(null,arguments)},N$=c._Relu=function(){return(N$=c._Relu=c.asm.Relu).apply(null,arguments)},T$=c._Relu6=function(){return(T$=c._Relu6=c.asm.Relu6).apply(null,arguments)},C$=c._ResizeBilinear=function(){return(C$=c._ResizeBilinear=c.asm.ResizeBilinear).apply(null,arguments)},_$=c._ResizeNearestNeighbor=function(){return(_$=c._ResizeNearestNeighbor=c.asm.ResizeNearestNeighbor).apply(null,arguments)},E$=c._Reverse=function(){return(E$=c._Reverse=c.asm.Reverse).apply(null,arguments)},A$=c._RotateWithOffset=function(){return(A$=c._RotateWithOffset=c.asm.RotateWithOffset).apply(null,arguments)},$$=c._Round=function(){return($$=c._Round=c.asm.Round).apply(null,arguments)},F$=c._Rsqrt=function(){return(F$=c._Rsqrt=c.asm.Rsqrt).apply(null,arguments)},D$=c._ScatterNd=function(){return(D$=c._ScatterNd=c.asm.ScatterNd).apply(null,arguments)},R$=c._SelectV2=function(){return(R$=c._SelectV2=c.asm.SelectV2).apply(null,arguments)},M$=c._Sigmoid=function(){return(M$=c._Sigmoid=c.asm.Sigmoid).apply(null,arguments)},P$=c._Sin=function(){return(P$=c._Sin=c.asm.Sin).apply(null,arguments)},O$=c._Softmax=function(){return(O$=c._Softmax=c.asm.Softmax).apply(null,arguments)},L$=c._SparseFillEmptyRows=function(){return(L$=c._SparseFillEmptyRows=c.asm.SparseFillEmptyRows).apply(null,arguments)},z$=c._SparseReshape=function(){return(z$=c._SparseReshape=c.asm.SparseReshape).apply(null,arguments)},B$=c._SparseSegmentReduction=function(){return(B$=c._SparseSegmentReduction=c.asm.SparseSegmentReduction).apply(null,arguments)},W$=c._Sqrt=function(){return(W$=c._Sqrt=c.asm.Sqrt).apply(null,arguments)},V$=c._Square=function(){return(V$=c._Square=c.asm.Square).apply(null,arguments)},U$=c._SquaredDifference=function(){return(U$=c._SquaredDifference=c.asm.SquaredDifference).apply(null,arguments)},G$=c._Step=function(){return(G$=c._Step=c.asm.Step).apply(null,arguments)},H$=c._StridedSlice=function(){return(H$=c._StridedSlice=c.asm.StridedSlice).apply(null,arguments)},j$=c._Sub=function(){return(j$=c._Sub=c.asm.Sub).apply(null,arguments)},q$=c._Sum=function(){return(q$=c._Sum=c.asm.Sum).apply(null,arguments)},K$=c._Tan=function(){return(K$=c._Tan=c.asm.Tan).apply(null,arguments)},X$=c._Tanh=function(){return(X$=c._Tanh=c.asm.Tanh).apply(null,arguments)},Y$=c._Tile=function(){return(Y$=c._Tile=c.asm.Tile).apply(null,arguments)},J$=c._TopK=function(){return(J$=c._TopK=c.asm.TopK).apply(null,arguments)},Z$=c._Transform=function(){return(Z$=c._Transform=c.asm.Transform).apply(null,arguments)},Q$=c._Transpose=function(){return(Q$=c._Transpose=c.asm.Transpose).apply(null,arguments)},eF=c.__FusedMatMul=function(){return(eF=c.__FusedMatMul=c.asm._FusedMatMul).apply(null,arguments)},db=c._malloc=function(){return(db=c._malloc=c.asm.malloc).apply(null,arguments)},G1=c._free=function(){return(G1=c._free=c.asm.free).apply(null,arguments)},tF=c._emscripten_tls_init=function(){return(tF=c._emscripten_tls_init=c.asm.emscripten_tls_init).apply(null,arguments)},H1=c.___errno_location=function(){return(H1=c.___errno_location=c.asm.__errno_location).apply(null,arguments)},ah=c._pthread_self=function(){return(ah=c._pthread_self=c.asm.pthread_self).apply(null,arguments)},j1=c._emscripten_main_thread_process_queued_calls=function(){return(j1=c._emscripten_main_thread_process_queued_calls=c.asm.emscripten_main_thread_process_queued_calls).apply(null,arguments)},nF=c.__emscripten_thread_crashed=function(){return(nF=c.__emscripten_thread_crashed=c.asm._emscripten_thread_crashed).apply(null,arguments)},q1=c.__emscripten_thread_init=function(){return(q1=c.__emscripten_thread_init=c.asm._emscripten_thread_init).apply(null,arguments)},aF=c._emscripten_current_thread_process_queued_calls=function(){return(aF=c._emscripten_current_thread_process_queued_calls=c.asm.emscripten_current_thread_process_queued_calls).apply(null,arguments)},rF=c._emscripten_main_browser_thread_id=function(){return(rF=c._emscripten_main_browser_thread_id=c.asm.emscripten_main_browser_thread_id).apply(null,arguments)},sF=c._emscripten_sync_run_in_main_thread_2=function(){return(sF=c._emscripten_sync_run_in_main_thread_2=c.asm.emscripten_sync_run_in_main_thread_2).apply(null,arguments)},K1=c._emscripten_sync_run_in_main_thread_4=function(){return(K1=c._emscripten_sync_run_in_main_thread_4=c.asm.emscripten_sync_run_in_main_thread_4).apply(null,arguments)},X1=c._emscripten_run_in_main_runtime_thread_js=function(){return(X1=c._emscripten_run_in_main_runtime_thread_js=c.asm.emscripten_run_in_main_runtime_thread_js).apply(null,arguments)},hb=c._emscripten_dispatch_to_thread_=function(){return(hb=c._emscripten_dispatch_to_thread_=c.asm.emscripten_dispatch_to_thread_).apply(null,arguments)},mb=c.__emscripten_thread_free_data=function(){return(mb=c.__emscripten_thread_free_data=c.asm._emscripten_thread_free_data).apply(null,arguments)},iF=c.__emscripten_thread_exit=function(){return(iF=c.__emscripten_thread_exit=c.asm._emscripten_thread_exit).apply(null,arguments)},oF=c._memalign=function(){return(oF=c._memalign=c.asm.memalign).apply(null,arguments)},Y1=c._emscripten_stack_set_limits=function(){return(Y1=c._emscripten_stack_set_limits=c.asm.emscripten_stack_set_limits).apply(null,arguments)},fb=c.stackSave=function(){return(fb=c.stackSave=c.asm.stackSave).apply(null,arguments)},rh=c.stackRestore=function(){return(rh=c.stackRestore=c.asm.stackRestore).apply(null,arguments)},Jo=c.stackAlloc=function(){return(Jo=c.stackAlloc=c.asm.stackAlloc).apply(null,arguments)},lF=c.dynCall_iijjiiii=function(){return(lF=c.dynCall_iijjiiii=c.asm.dynCall_iijjiiii).apply(null,arguments)},uF=c.dynCall_jiji=function(){return(uF=c.dynCall_jiji=c.asm.dynCall_jiji).apply(null,arguments)},J1=c.__emscripten_allow_main_runtime_queued_calls=21672;c.cwrap=Jt,c.keepRuntimeAlive=Ls,c.PThread=_e,c.PThread=_e,c.wasmMemory=Te,c.ExitStatus=Dp;var sh;function Dp(N){this.name="ExitStatus",this.message="Program terminated with exit("+N+")",this.status=N}Oa=function N(){sh||gb(),sh||(Oa=N)};function gb(N){if(N=N||y,Gr>0)return;if(_){h(c),Sp(),postMessage({cmd:"loaded"});return}if(xn(),Gr>0)return;function D(){sh||(sh=!0,c.calledRun=!0,!dt&&(Sp(),h(c),c.onRuntimeInitialized&&c.onRuntimeInitialized(),zg()))}c.setStatus?(c.setStatus("Running..."),setTimeout(function(){setTimeout(function(){c.setStatus("")},1),D()},1)):D()}c.run=gb;function pF(N,D){if(yn=N,!D&&_)throw Gd(N),"unwind";Ls()||Lg(),cF(N)}function cF(N){yn=N,Ls()||(_e.terminateAllThreads(),c.onExit&&c.onExit(N),dt=!0),x(N,new Dp(N))}if(c.preInit)for(typeof c.preInit=="function"&&(c.preInit=[c.preInit]);c.preInit.length>0;)c.preInit.pop()();gb();var ih;f&&(ih={uncaughtException:process.listeners("uncaughtException").filter(function(N){return!f.uncaughtException.indexOf(N)>-1}),unhandledRejection:process.listeners("unhandledRejection").filter(function(N){return!f.unhandledRejection.indexOf(N)>-1})});var oh;if(typeof WasmBackendModule!="undefined")oh=WasmBackendModule;else if(typeof r!="undefined")oh=r;else throw new Error("Could not find wasm module in post.js");if(ih){var dF=oh._dispose;oh._dispose=function(){dF(),ih.uncaughtException.forEach(function(N){process.removeListener("uncaughtException",N)}),ih.unhandledRejection.forEach(function(N){process.removeListener("unhandledRejection",N)})}}return r.ready}})();typeof e=="object"&&typeof t=="object"?t.exports=n:typeof define=="function"&&define.amd?define([],function(){return n}):typeof e=="object"&&(e.WasmBackendModuleThreadedSimd=n)}),OF=Wt((e,t)=>{t.exports.wasmWorkerContents=`"use strict";var Module={};var ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof process.versions==="object"&&typeof process.versions.node==="string";if(ENVIRONMENT_IS_NODE){var nodeWorkerThreads=require("worker_threads");var parentPort=nodeWorkerThreads.parentPort;parentPort.on("message",function(data){onmessage({data:data})});var fs=require("fs");Object.assign(global,{self:global,require:require,Module:Module,location:{href:__filename},Worker:nodeWorkerThreads.Worker,importScripts:function(f){(0,eval)(fs.readFileSync(f,"utf8"))},postMessage:function(msg){parentPort.postMessage(msg)},performance:global.performance||{now:function(){return Date.now()}}})}function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");if(ENVIRONMENT_IS_NODE){fs.writeSync(2,text+" ");return}console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=((info,receiveInstance)=>{var instance=new WebAssembly.Instance(Module["wasmModule"],info);receiveInstance(instance);Module["wasmModule"]=null;return instance.exports});self.onmessage=(e=>{try{if(e.data.cmd==="load"){Module["wasmModule"]=e.data.wasmModule;Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob==="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}WasmBackendModuleThreadedSimd(Module).then(function(instance){Module=instance})}else if(e.data.cmd==="run"){Module["__performance_now_clock_drift"]=performance.now()-e.data.time;Module["__emscripten_thread_init"](e.data.threadInfoStruct,0,0,1);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInit();try{var result=Module["invokeEntryPoint"](e.data.start_routine,e.data.arg);if(Module["keepRuntimeAlive"]()){Module["PThread"].setExitStatus(result)}else{Module["__emscripten_thread_exit"](result)}}catch(ex){if(ex!="unwind"){if(ex instanceof Module["ExitStatus"]){if(Module["keepRuntimeAlive"]()){}else{Module["__emscripten_thread_exit"](ex.status)}}else{throw ex}}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="processThreadQueue"){if(Module["_pthread_self"]()){Module["_emscripten_current_thread_process_queued_calls"]()}}else if(e.data.cmd==="processProxyingQueue"){if(Module["_pthread_self"]()){Module["_emscripten_proxy_execute_queue"](e.data.queue)}}else{err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){err("worker.js onmessage() captured an uncaught exception: "+ex);if(ex&&ex.stack)err(ex.stack);if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}});`}),LF=Wt((e,t)=>{var n=(()=>{var a=typeof document!="undefined"&&document.currentScript?document.currentScript.src:void 0;return typeof __filename!="undefined"&&(a=a||__filename),function(r){r=r||{};var s=typeof r!="undefined"?r:{},i,o;s.ready=new Promise(function(G,ee){i=G,o=ee});var l;typeof process!="undefined"&&process.listeners&&(l={uncaughtException:process.listeners("uncaughtException"),unhandledRejection:process.listeners("unhandledRejection")});var u=Object.assign({},s),p=[],d="./this.program",c=(G,ee)=>{throw ee},h=typeof window=="object",m=typeof importScripts=="function",f=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string",g="";function y(G){return s.locateFile?s.locateFile(G,g):g+G}var b,x,v,I;function T(G){G instanceof $p||$("exiting due to exception: "+G)}var _,A,F;f?(m?g=$h().dirname(g)+"/":g=__dirname+"/",F=()=>{A||(_=Fx(),A=$h())},b=function(G,ee){return F(),G=A.normalize(G),_.readFileSync(G,ee?void 0:"utf8")},v=G=>{var ee=b(G,!0);return ee.buffer||(ee=new Uint8Array(ee)),ee},x=(G,ee,de)=>{F(),G=A.normalize(G),_.readFile(G,function(Se,Ze){Se?de(Se):ee(Ze.buffer)})},process.argv.length>1&&(d=process.argv[1].replace(/\\/g,"/")),p=process.argv.slice(2),process.on("uncaughtException",function(G){if(!(G instanceof $p))throw G}),process.on("unhandledRejection",function(G){throw G}),c=(G,ee)=>{if(Ip())throw process.exitCode=G,ee;T(ee),process.exit(G)},s.inspect=function(){return"[Emscripten Module object]"}):(h||m)&&(m?g=self.location.href:typeof document!="undefined"&&document.currentScript&&(g=document.currentScript.src),a&&(g=a),g.indexOf("blob:")!==0?g=g.substr(0,g.replace(/[?#].*/,"").lastIndexOf("/")+1):g="",b=G=>{var ee=new XMLHttpRequest;return ee.open("GET",G,!1),ee.send(null),ee.responseText},m&&(v=G=>{var ee=new XMLHttpRequest;return ee.open("GET",G,!1),ee.responseType="arraybuffer",ee.send(null),new Uint8Array(ee.response)}),x=(G,ee,de)=>{var Se=new XMLHttpRequest;Se.open("GET",G,!0),Se.responseType="arraybuffer",Se.onload=()=>{if(Se.status==200||Se.status==0&&Se.response){ee(Se.response);return}de()},Se.onerror=de,Se.send(null)},I=G=>document.title=G);var P=s.print||console.log.bind(console),$=s.printErr||console.warn.bind(console);Object.assign(s,u),u=null,s.arguments&&(p=s.arguments),s.thisProgram&&(d=s.thisProgram),s.quit&&(c=s.quit);var S=4;function M(G){M.shown||(M.shown={}),M.shown[G]||(M.shown[G]=1,$(G))}function U(G,ee){if(typeof WebAssembly.Function=="function"){for(var de={i:"i32",j:"i64",f:"f32",d:"f64"},Se={parameters:[],results:ee[0]=="v"?[]:[de[ee[0]]]},Ze=1;Ze{te=G},Q;s.wasmBinary&&(Q=s.wasmBinary);var ie=s.noExitRuntime||!0;typeof WebAssembly!="object"&&Os("no native wasm support detected");var ae,oe=!1,ue;function we(G,ee){G||Os(ee)}function ye(G){var ee=s["_"+G];return ee}function Ie(G,ee,de,Se,Ze){var nt={string:function(Pn){var Hr=0;if(Pn!=null&&Pn!==0){var nh=(Pn.length<<2)+1;Hr=Ap(nh),tt(Pn,Hr,nh)}return Hr},array:function(Pn){var Hr=Ap(Pn.length);return dt(Pn,Hr),Hr}};function Ge(Pn){return ee==="string"?st(Pn):ee==="boolean"?Boolean(Pn):Pn}var Ve=ye(G),Ot=[],La=0;if(Se)for(var za=0;za=Se);)++Ze;if(Ze-ee>16&&G.subarray&&We)return We.decode(G.subarray(ee,Ze));for(var nt="";ee>10,56320|La&1023)}}return nt}function st(G,ee){return G?je(Jt,G,ee):""}function et(G,ee,de,Se){if(!(Se>0))return 0;for(var Ze=de,nt=de+Se-1,Ge=0;Ge=55296&&Ve<=57343){var Ot=G.charCodeAt(++Ge);Ve=65536+((Ve&1023)<<10)|Ot&1023}if(Ve<=127){if(de>=nt)break;ee[de++]=Ve}else if(Ve<=2047){if(de+1>=nt)break;ee[de++]=192|Ve>>6,ee[de++]=128|Ve&63}else if(Ve<=65535){if(de+2>=nt)break;ee[de++]=224|Ve>>12,ee[de++]=128|Ve>>6&63,ee[de++]=128|Ve&63}else{if(de+3>=nt)break;ee[de++]=240|Ve>>18,ee[de++]=128|Ve>>12&63,ee[de++]=128|Ve>>6&63,ee[de++]=128|Ve&63}}return ee[de]=0,de-Ze}function tt(G,ee,de){return et(G,Jt,ee,de)}function Te(G){for(var ee=0,de=0;de=55296&&Se<=57343&&(Se=65536+((Se&1023)<<10)|G.charCodeAt(++de)&1023),Se<=127?++ee:Se<=2047?ee+=2:Se<=65535?ee+=3:ee+=4}return ee}var ft=typeof TextDecoder!="undefined"?new TextDecoder("utf-16le"):void 0;function dt(G,ee){Ut.set(G,ee)}function yn(G,ee,de){for(var Se=0;Se>0]=G.charCodeAt(Se);de||(Ut[ee>>0]=0)}function Yt(G,ee){return G%ee>0&&(G+=ee-G%ee),G}var Rn,Ut,Jt,Ma,Mn,Gt,sa,ia,Wr;function Ps(G){Rn=G,s.HEAP8=Ut=new Int8Array(G),s.HEAP16=Ma=new Int16Array(G),s.HEAP32=Gt=new Int32Array(G),s.HEAPU8=Jt=new Uint8Array(G),s.HEAPU16=Mn=new Uint16Array(G),s.HEAPU32=sa=new Uint32Array(G),s.HEAPF32=ia=new Float32Array(G),s.HEAPF64=Wr=new Float64Array(G)}var _d=s.INITIAL_MEMORY||16777216,Vr,xr=[],kp=[],Bo=[],bn=!1,Ed=!1,Ad=0;function Ip(){return ie||Ad>0}function $d(){if(s.preRun)for(typeof s.preRun=="function"&&(s.preRun=[s.preRun]);s.preRun.length;)Rd(s.preRun.shift());Np(xr)}function Fd(){bn=!0,Np(kp)}function F1(){Ed=!0}function Dd(){if(s.postRun)for(typeof s.postRun=="function"&&(s.postRun=[s.postRun]);s.postRun.length;)Md(s.postRun.shift());Np(Bo)}function Rd(G){xr.unshift(G)}function Pa(G){kp.unshift(G)}function Md(G){Bo.unshift(G)}var oa=0,Wo=null,Ur=null;function Pg(G){oa++,s.monitorRunDependencies&&s.monitorRunDependencies(oa)}function Pd(G){if(oa--,s.monitorRunDependencies&&s.monitorRunDependencies(oa),oa==0&&(Wo!==null&&(clearInterval(Wo),Wo=null),Ur)){var ee=Ur;Ur=null,ee()}}s.preloadedImages={},s.preloadedAudios={};function Os(G){s.onAbort&&s.onAbort(G),G="Aborted("+G+")",$(G),oe=!0,ue=1,G+=". Build with -s ASSERTIONS=1 for more info.";var ee=new WebAssembly.RuntimeError(G);throw o(ee),ee}var Og="data:application/octet-stream;base64,";function Od(G){return G.startsWith(Og)}function Ls(G){return G.startsWith("file://")}var xn;xn="tfjs-backend-wasm.wasm",Od(xn)||(xn=y(xn));function Sp(G){try{if(G==xn&&Q)return new Uint8Array(Q);if(v)return v(G);throw"both async and sync fetching of the wasm failed"}catch(ee){Os(ee)}}function Lg(){if(!Q&&(h||m)){if(typeof fetch=="function"&&!Ls(xn))return fetch(xn,{credentials:"same-origin"}).then(function(G){if(!G.ok)throw"failed to load wasm binary file at '"+xn+"'";return G.arrayBuffer()}).catch(function(){return Sp(xn)});if(x)return new Promise(function(G,ee){x(xn,function(de){G(new Uint8Array(de))},ee)})}return Promise.resolve().then(function(){return Sp(xn)})}function zg(){var G={env:Go,wasi_snapshot_preview1:Go};function ee(Ge,Ve){var Ot=Ge.exports;s.asm=Ot,ae=s.asm.memory,Ps(ae.buffer),Vr=s.asm.__indirect_function_table,Pa(s.asm.__wasm_call_ctors),Pd("wasm-instantiate")}Pg("wasm-instantiate");function de(Ge){ee(Ge.instance)}function Se(Ge){return Lg().then(function(Ve){return WebAssembly.instantiate(Ve,G)}).then(function(Ve){return Ve}).then(Ge,function(Ve){$("failed to asynchronously prepare wasm: "+Ve),Os(Ve)})}function Ze(){return!Q&&typeof WebAssembly.instantiateStreaming=="function"&&!Od(xn)&&!Ls(xn)&&typeof fetch=="function"?fetch(xn,{credentials:"same-origin"}).then(function(Ge){var Ve=WebAssembly.instantiateStreaming(Ge,G);return Ve.then(de,function(Ot){return $("wasm streaming compile failed: "+Ot),$("falling back to ArrayBuffer instantiation"),Se(de)})}):Se(de)}if(s.instantiateWasm)try{var nt=s.instantiateWasm(G,ee);return nt}catch(Ge){return $("Module.instantiateWasm callback failed with error: "+Ge),!1}return Ze().catch(o),{}}var D1,R1;function Np(G){for(;G.length>0;){var ee=G.shift();if(typeof ee=="function"){ee(s);continue}var de=ee.func;typeof de=="number"?ee.arg===void 0?Tp(de)():Tp(de)(ee.arg):de(ee.arg===void 0?null:ee.arg)}}function Gr(G){return G}function Ld(G){var ee=/\b_Z[\w\d_]+/g;return G.replace(ee,function(de){var Se=de;return de===Se?de:Se+" ["+de+"]"})}var Oa=[];function Tp(G){var ee=Oa[G];return ee||(G>=Oa.length&&(Oa.length=G+1),Oa[G]=ee=Vr.get(G)),ee}function M1(){var G=new Error;if(!G.stack){try{throw new Error}catch(ee){G=ee}if(!G.stack)return"(no stack trace available)"}return G.stack.toString()}function Vo(G,ee){Vr.set(G,ee),Oa[G]=ee}function Bg(){Os("")}function Cp(){return 2147483648}function zd(G,ee,de){Jt.copyWithin(G,ee,ee+de)}function vn(G){try{return ae.grow(G-Rn.byteLength+65535>>>16),Ps(ae.buffer),1}catch(ee){}}function Bd(G){var ee=Jt.length;G=G>>>0;var de=Cp();if(G>de)return!1;for(var Se=1;Se<=4;Se*=2){var Ze=ee*(1+.2/Se);Ze=Math.min(Ze,G+100663296);var nt=Math.min(de,Yt(Math.max(G,Ze),65536)),Ge=vn(nt);if(Ge)return!0}return!1}var Uo={mappings:{},buffers:[null,[],[]],printChar:function(G,ee){var de=Uo.buffers[G];ee===0||ee===10?((G===1?P:$)(je(de,0)),de.length=0):de.push(ee)},varargs:void 0,get:function(){Uo.varargs+=4;var G=Gt[Uo.varargs-4>>2];return G},getStr:function(G){var ee=st(G);return ee},get64:function(G,ee){return G}};function Wg(G){return 0}function P1(G,ee,de,Se,Ze){}function O1(G,ee,de,Se){for(var Ze=0,nt=0;nt>2],Ve=Gt[ee+4>>2];ee+=8;for(var Ot=0;Ot>2]=Ze,0}function Vg(G){re(G)}var Wd=!1,Go={abort:Bg,emscripten_get_heap_max:Cp,emscripten_memcpy_big:zd,emscripten_resize_heap:Bd,fd_close:Wg,fd_seek:P1,fd_write:O1,setTempRet0:Vg},w$=zg(),L1=s.___wasm_call_ctors=function(){return(L1=s.___wasm_call_ctors=s.asm.__wasm_call_ctors).apply(null,arguments)},Ug=s._init=function(){return(Ug=s._init=s.asm.init).apply(null,arguments)},Gg=s._init_with_threads_count=function(){return(Gg=s._init_with_threads_count=s.asm.init_with_threads_count).apply(null,arguments)},Vd=s._get_threads_count=function(){return(Vd=s._get_threads_count=s.asm.get_threads_count).apply(null,arguments)},Ud=s._register_tensor=function(){return(Ud=s._register_tensor=s.asm.register_tensor).apply(null,arguments)},Hg=s._dispose_data=function(){return(Hg=s._dispose_data=s.asm.dispose_data).apply(null,arguments)},_e=s._dispose=function(){return(_e=s._dispose=s.asm.dispose).apply(null,arguments)},jg=s._Abs=function(){return(jg=s._Abs=s.asm.Abs).apply(null,arguments)},Gd=s._Add=function(){return(Gd=s._Add=s.asm.Add).apply(null,arguments)},zs=s._AddN=function(){return(zs=s._AddN=s.asm.AddN).apply(null,arguments)},Ho=s._All=function(){return(Ho=s._All=s.asm.All).apply(null,arguments)},qg=s._Any=function(){return(qg=s._Any=s.asm.Any).apply(null,arguments)},z1=s._ArgMax=function(){return(z1=s._ArgMax=s.asm.ArgMax).apply(null,arguments)},Kg=s._AvgPool=function(){return(Kg=s._AvgPool=s.asm.AvgPool).apply(null,arguments)},B1=s._BatchMatMul=function(){return(B1=s._BatchMatMul=s.asm.BatchMatMul).apply(null,arguments)},Bs=s._Ceil=function(){return(Bs=s._Ceil=s.asm.Ceil).apply(null,arguments)},Xg=s._ClipByValue=function(){return(Xg=s._ClipByValue=s.asm.ClipByValue).apply(null,arguments)},Yg=s._Conv2D=function(){return(Yg=s._Conv2D=s.asm.Conv2D).apply(null,arguments)},Jg=s._Conv2DBackpropInput=function(){return(Jg=s._Conv2DBackpropInput=s.asm.Conv2DBackpropInput).apply(null,arguments)},Zg=s._Cos=function(){return(Zg=s._Cos=s.asm.Cos).apply(null,arguments)},Qg=s._Cosh=function(){return(Qg=s._Cosh=s.asm.Cosh).apply(null,arguments)},ey=s._CropAndResize=function(){return(ey=s._CropAndResize=s.asm.CropAndResize).apply(null,arguments)},Hd=s._Cumprod=function(){return(Hd=s._Cumprod=s.asm.Cumprod).apply(null,arguments)},ty=s._Cumsum=function(){return(ty=s._Cumsum=s.asm.Cumsum).apply(null,arguments)},ny=s._DepthToSpace=function(){return(ny=s._DepthToSpace=s.asm.DepthToSpace).apply(null,arguments)},ay=s._DepthwiseConv2dNative=function(){return(ay=s._DepthwiseConv2dNative=s.asm.DepthwiseConv2dNative).apply(null,arguments)},ry=s._Elu=function(){return(ry=s._Elu=s.asm.Elu).apply(null,arguments)},sy=s._Equal=function(){return(sy=s._Equal=s.asm.Equal).apply(null,arguments)},jd=s._Exp=function(){return(jd=s._Exp=s.asm.Exp).apply(null,arguments)},iy=s._FlipLeftRight=function(){return(iy=s._FlipLeftRight=s.asm.FlipLeftRight).apply(null,arguments)},oy=s._Floor=function(){return(oy=s._Floor=s.asm.Floor).apply(null,arguments)},Ws=s._FloorDiv=function(){return(Ws=s._FloorDiv=s.asm.FloorDiv).apply(null,arguments)},_p=s._FusedBatchNorm=function(){return(_p=s._FusedBatchNorm=s.asm.FusedBatchNorm).apply(null,arguments)},ly=s._FusedConv2D=function(){return(ly=s._FusedConv2D=s.asm.FusedConv2D).apply(null,arguments)},uy=s._FusedDepthwiseConv2D=function(){return(uy=s._FusedDepthwiseConv2D=s.asm.FusedDepthwiseConv2D).apply(null,arguments)},py=s._Gather=function(){return(py=s._Gather=s.asm.Gather).apply(null,arguments)},Ue=s._GatherNd=function(){return(Ue=s._GatherNd=s.asm.GatherNd).apply(null,arguments)},cy=s._Greater=function(){return(cy=s._Greater=s.asm.Greater).apply(null,arguments)},dy=s._GreaterEqual=function(){return(dy=s._GreaterEqual=s.asm.GreaterEqual).apply(null,arguments)},hy=s._LeakyRelu=function(){return(hy=s._LeakyRelu=s.asm.LeakyRelu).apply(null,arguments)},my=s._Less=function(){return(my=s._Less=s.asm.Less).apply(null,arguments)},fy=s._LessEqual=function(){return(fy=s._LessEqual=s.asm.LessEqual).apply(null,arguments)},gy=s._Log=function(){return(gy=s._Log=s.asm.Log).apply(null,arguments)},Ep=s._LogicalAnd=function(){return(Ep=s._LogicalAnd=s.asm.LogicalAnd).apply(null,arguments)},qd=s._LogicalNot=function(){return(qd=s._LogicalNot=s.asm.LogicalNot).apply(null,arguments)},Kd=s._LogicalOr=function(){return(Kd=s._LogicalOr=s.asm.LogicalOr).apply(null,arguments)},yy=s._LogicalXor=function(){return(yy=s._LogicalXor=s.asm.LogicalXor).apply(null,arguments)},by=s._Max=function(){return(by=s._Max=s.asm.Max).apply(null,arguments)},xy=s._MaxPool=function(){return(xy=s._MaxPool=s.asm.MaxPool).apply(null,arguments)},vy=s._Maximum=function(){return(vy=s._Maximum=s.asm.Maximum).apply(null,arguments)},wy=s._Mean=function(){return(wy=s._Mean=s.asm.Mean).apply(null,arguments)},ky=s._Min=function(){return(ky=s._Min=s.asm.Min).apply(null,arguments)},Tt=s._Minimum=function(){return(Tt=s._Minimum=s.asm.Minimum).apply(null,arguments)},Iy=s._MirrorPad=function(){return(Iy=s._MirrorPad=s.asm.MirrorPad).apply(null,arguments)},Sy=s._Multiply=function(){return(Sy=s._Multiply=s.asm.Multiply).apply(null,arguments)},Ny=s._Neg=function(){return(Ny=s._Neg=s.asm.Neg).apply(null,arguments)},jo=s._NonMaxSuppressionV3=function(){return(jo=s._NonMaxSuppressionV3=s.asm.NonMaxSuppressionV3).apply(null,arguments)},Xd=s._NonMaxSuppressionV4=function(){return(Xd=s._NonMaxSuppressionV4=s.asm.NonMaxSuppressionV4).apply(null,arguments)},Yd=s._NonMaxSuppressionV5=function(){return(Yd=s._NonMaxSuppressionV5=s.asm.NonMaxSuppressionV5).apply(null,arguments)},Jd=s._NotEqual=function(){return(Jd=s._NotEqual=s.asm.NotEqual).apply(null,arguments)},Ty=s._OneHot=function(){return(Ty=s._OneHot=s.asm.OneHot).apply(null,arguments)},Zd=s._PadV2=function(){return(Zd=s._PadV2=s.asm.PadV2).apply(null,arguments)},Cy=s._Pow=function(){return(Cy=s._Pow=s.asm.Pow).apply(null,arguments)},W1=s._Prelu=function(){return(W1=s._Prelu=s.asm.Prelu).apply(null,arguments)},Qd=s._Prod=function(){return(Qd=s._Prod=s.asm.Prod).apply(null,arguments)},V1=s._RealDiv=function(){return(V1=s._RealDiv=s.asm.RealDiv).apply(null,arguments)},_y=s._Relu=function(){return(_y=s._Relu=s.asm.Relu).apply(null,arguments)},Ey=s._Relu6=function(){return(Ey=s._Relu6=s.asm.Relu6).apply(null,arguments)},Ay=s._ResizeBilinear=function(){return(Ay=s._ResizeBilinear=s.asm.ResizeBilinear).apply(null,arguments)},$y=s._ResizeNearestNeighbor=function(){return($y=s._ResizeNearestNeighbor=s.asm.ResizeNearestNeighbor).apply(null,arguments)},Fy=s._Reverse=function(){return(Fy=s._Reverse=s.asm.Reverse).apply(null,arguments)},Dy=s._RotateWithOffset=function(){return(Dy=s._RotateWithOffset=s.asm.RotateWithOffset).apply(null,arguments)},Ry=s._Round=function(){return(Ry=s._Round=s.asm.Round).apply(null,arguments)},My=s._Rsqrt=function(){return(My=s._Rsqrt=s.asm.Rsqrt).apply(null,arguments)},Py=s._ScatterNd=function(){return(Py=s._ScatterNd=s.asm.ScatterNd).apply(null,arguments)},Oy=s._SelectV2=function(){return(Oy=s._SelectV2=s.asm.SelectV2).apply(null,arguments)},Ly=s._Sigmoid=function(){return(Ly=s._Sigmoid=s.asm.Sigmoid).apply(null,arguments)},zy=s._Sin=function(){return(zy=s._Sin=s.asm.Sin).apply(null,arguments)},By=s._Softmax=function(){return(By=s._Softmax=s.asm.Softmax).apply(null,arguments)},Wy=s._SparseFillEmptyRows=function(){return(Wy=s._SparseFillEmptyRows=s.asm.SparseFillEmptyRows).apply(null,arguments)},Vy=s._SparseReshape=function(){return(Vy=s._SparseReshape=s.asm.SparseReshape).apply(null,arguments)},Uy=s._SparseSegmentReduction=function(){return(Uy=s._SparseSegmentReduction=s.asm.SparseSegmentReduction).apply(null,arguments)},Gy=s._Sqrt=function(){return(Gy=s._Sqrt=s.asm.Sqrt).apply(null,arguments)},Hy=s._Square=function(){return(Hy=s._Square=s.asm.Square).apply(null,arguments)},jy=s._SquaredDifference=function(){return(jy=s._SquaredDifference=s.asm.SquaredDifference).apply(null,arguments)},qy=s._Step=function(){return(qy=s._Step=s.asm.Step).apply(null,arguments)},Ky=s._StridedSlice=function(){return(Ky=s._StridedSlice=s.asm.StridedSlice).apply(null,arguments)},Xy=s._Sub=function(){return(Xy=s._Sub=s.asm.Sub).apply(null,arguments)},Yy=s._Sum=function(){return(Yy=s._Sum=s.asm.Sum).apply(null,arguments)},Jy=s._Tan=function(){return(Jy=s._Tan=s.asm.Tan).apply(null,arguments)},Zy=s._Tanh=function(){return(Zy=s._Tanh=s.asm.Tanh).apply(null,arguments)},Qy=s._Tile=function(){return(Qy=s._Tile=s.asm.Tile).apply(null,arguments)},eb=s._TopK=function(){return(eb=s._TopK=s.asm.TopK).apply(null,arguments)},tb=s._Transform=function(){return(tb=s._Transform=s.asm.Transform).apply(null,arguments)},nb=s._Transpose=function(){return(nb=s._Transpose=s.asm.Transpose).apply(null,arguments)},ab=s.__FusedMatMul=function(){return(ab=s.__FusedMatMul=s.asm._FusedMatMul).apply(null,arguments)},rb=s._malloc=function(){return(rb=s._malloc=s.asm.malloc).apply(null,arguments)},sb=s._free=function(){return(sb=s._free=s.asm.free).apply(null,arguments)},ib=s.___errno_location=function(){return(ib=s.___errno_location=s.asm.__errno_location).apply(null,arguments)},ob=s._emscripten_main_thread_process_queued_calls=function(){return(ob=s._emscripten_main_thread_process_queued_calls=s.asm.emscripten_main_thread_process_queued_calls).apply(null,arguments)},eh=s.stackSave=function(){return(eh=s.stackSave=s.asm.stackSave).apply(null,arguments)},th=s.stackRestore=function(){return(th=s.stackRestore=s.asm.stackRestore).apply(null,arguments)},Ap=s.stackAlloc=function(){return(Ap=s.stackAlloc=s.asm.stackAlloc).apply(null,arguments)},lb=s.dynCall_iijjiiii=function(){return(lb=s.dynCall_iijjiiii=s.asm.dynCall_iijjiiii).apply(null,arguments)},ub=s.dynCall_jiji=function(){return(ub=s.dynCall_jiji=s.asm.dynCall_jiji).apply(null,arguments)};s.cwrap=Ee;var qo;function $p(G){this.name="ExitStatus",this.message="Program terminated with exit("+G+")",this.status=G}Ur=function G(){qo||Fp(),qo||(Ur=G)};function Fp(G){if(G=G||p,oa>0||($d(),oa>0))return;function ee(){qo||(qo=!0,s.calledRun=!0,!oe&&(Fd(),i(s),s.onRuntimeInitialized&&s.onRuntimeInitialized(),Dd()))}s.setStatus?(s.setStatus("Running..."),setTimeout(function(){setTimeout(function(){s.setStatus("")},1),ee()},1)):ee()}s.run=Fp;function U1(G){ue=G,Ip()||(s.onExit&&s.onExit(G),oe=!0),c(G,new $p(G))}if(s.preInit)for(typeof s.preInit=="function"&&(s.preInit=[s.preInit]);s.preInit.length>0;)s.preInit.pop()();Fp();var Ko;l&&(Ko={uncaughtException:process.listeners("uncaughtException").filter(function(G){return!l.uncaughtException.indexOf(G)>-1}),unhandledRejection:process.listeners("unhandledRejection").filter(function(G){return!l.unhandledRejection.indexOf(G)>-1})});var Xo;if(typeof r!="undefined")Xo=r;else if(typeof WasmBackendModuleThreadedSimd!="undefined")Xo=WasmBackendModuleThreadedSimd;else throw new Error("Could not find wasm module in post.js");if(Ko){var pb=Xo._dispose;Xo._dispose=function(){pb(),Ko.uncaughtException.forEach(function(G){process.removeListener("uncaughtException",G)}),Ko.unhandledRejection.forEach(function(G){process.removeListener("unhandledRejection",G)})}}return r.ready}})();typeof e=="object"&&typeof t=="object"?t.exports=n:typeof define=="function"&&define.amd?define([],function(){return n}):typeof e=="object"&&(e.WasmBackendModule=n)}),pm=class{constructor(e,t){this.backend=e,this.dataMover=t,this.data=new WeakMap,this.dataIdsCount=0}get(e){return this.data.has(e)||this.dataMover.moveData(this.backend,e),this.data.get(e)}set(e,t){this.dataIdsCount++,this.data.set(e,t)}has(e){return this.data.has(e)}delete(e){return this.dataIdsCount--,this.data.delete(e)}numDataIds(){return this.dataIdsCount}},fc=class{refCount(e){return ua("refCount")}incRef(e){return ua("incRef")}timerAvailable(){return!0}time(e){return ua("time")}read(e){return ua("read")}readSync(e){return ua("readSync")}readToGPU(e,t){return ua("readToGPU")}numDataIds(){return ua("numDataIds")}disposeData(e,t){return ua("disposeData")}write(e,t,n){return ua("write")}move(e,t,n,a,r){return ua("move")}memory(){return ua("memory")}floatPrecision(){return ua("floatPrecision")}epsilon(){return this.floatPrecision()===32?1e-7:1e-4}dispose(){return ua("dispose")}};function ua(e){throw new Error(`'${e}' not yet implemented or not found in the registry. This kernel may not be supported by the tfjs backend you have chosen`)}function CI(e){let t=e.length,n=0;for(;t>0;)n=Math.random()*t|0,t--,Fh(e,t,n)}function zF(e,t){if(e.length!==t.length)throw new Error(`Array sizes must match to be shuffled together First array length was ${e.length}Second array length was ${t.length}`);let n=e.length,a=0;for(;n>0;)a=Math.random()*n|0,n--,Fh(e,n,a),Fh(t,n,a)}function Qp(e,t,n){return Math.max(e,Math.min(t,n))}function BF(e){return e%2===0?e:e+1}function Fh(e,t,n){let a=e[t];e[t]=e[n],e[n]=a}function WF(e){let t=0;for(let n=0;nn+` Shapes ${e} and ${t} must match`)}function xi(e){R(e!=null,()=>"The input to the tensor constructor must be a non-null value.")}function ai(e,t=[],n=!1){if(t==null&&(t=[]),Array.isArray(e)||hn(e)&&!n)for(let a=0;a0,n){return new Promise((a,r)=>{let s=0,i=()=>{if(e()){a();return}s++;let o=t(s);if(n!=null&&s>=n){r();return}setTimeout(i,o)};i()})}function XF(e,t){let n=1,a=-1;for(let s=0;s=0)n*=e[s];else if(e[s]===-1){if(a!==-1)throw Error(`Shapes can only have 1 implicit size. Found -1 at dim ${a} and dim ${s}`);a=s}else if(e[s]<0)throw Error(`Shapes can not be < 0. Found ${e[s]} at dim ${s}`);if(a===-1){if(t>0&&t!==n)throw Error(`Size(${t}) must match the product of shape ${e}`);return e}if(n===0)throw Error(`Cannot infer the missing size in [${e}] when there are 0 elements`);if(t%n!==0)throw Error(`The implicit shape can't be a fractional number. Got ${t} / ${n}`);let r=e.slice();return r[a]=t/n,r}function _a(e,t){let n=t.length;return e=e==null?t.map((a,r)=>r):[].concat(e),R(e.every(a=>a>=-n&&a`All values in axis param must be in range [-${n}, ${n}) but got axis ${e}`),R(e.every(a=>pl(a)),()=>`All values in axis param must be integers but got axis ${e}`),e.map(a=>a<0?n+a:a)}function _I(e,t){let n=[],a=[],r=t!=null&&Array.isArray(t)&&t.length===0,s=t==null||r?null:_a(t,e).sort(),i=0;for(let o=0;oo)&&e[o]===1&&(n.push(e[o]),a.push(o)),s[i]<=o&&i++}e[o]!==1&&(n.push(e[o]),a.push(o))}return{newShape:n,keptDims:a}}function EI(e,t){let n=null;if(e==null||e==="float32")n=new Float32Array(t);else if(e==="int32")n=new Int32Array(t);else if(e==="bool")n=new Uint8Array(t);else throw new Error(`Unknown data type ${e}`);return n}function AI(e,t){let n=null;if(e==null||e==="float32")n=new Float32Array(t);else if(e==="int32")n=new Int32Array(t);else if(e==="bool")n=new Uint8Array(t);else if(e==="string")n=new Array(t);else throw new Error(`Unknown data type ${e}`);return n}function $I(e,t){for(let n=0;nt+=n.length),t}function Xr(e){return typeof e=="string"||e instanceof String}function RI(e){return typeof e=="boolean"}function MI(e){return typeof e=="number"}function cm(e){return Array.isArray(e)?cm(e[0]):e instanceof Float32Array?"float32":e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray?"int32":MI(e)?"float32":Xr(e)?"string":RI(e)?"bool":"float32"}function ts(e){return!!(e&&e.constructor&&e.call&&e.apply)}function Dh(e,t){for(let n=t;n=0;--a)n[a]=n[a+1]*e[a+1];return n}function PI(e,t,n,a=!1){let r=new Array;if(t.length===1){let s=t[0]*(a?2:1);for(let i=0;il*u)*(a?2:1);for(let l=0;lr*s)*(n?2:1);if(a===0)return[];if(a!==t.length)throw new Error(`[${e}] does not match the input size ${t.length}${n?" for a complex tensor":""}.`);return PI(0,e,t,n)}function Dx(e,t){let n=dm(e,t);for(let a=0;aa*r,1);if(t==null||t==="float32")return sl(e,new Float32Array(n));if(t==="int32")return sl(e,new Int32Array(n));if(t==="bool")return sl(e,new Uint8Array(n));throw new Error(`Unknown data type ${t}`)}function Rx(e){e.forEach(t=>{R(Number.isInteger(t)&&t>=0,()=>`Tensor must have a shape comprised of positive integers but got shape [${e}].`)})}function ZF(e,t,n){if(t===0)return 0;if(t===1)return e[0];let a=e[e.length-1];for(let r=0;r{let[n,a]=t.split(":");this.urlFlags[n]=nD(n,a)})}};function eD(e){let t={};return e.replace(/[?&]([^=?&]+)(?:=([^&]*))?/g,(n,...a)=>(tD(t,a[0],a[1]),a.join("="))),t}function tD(e,t,n){e[decodeURIComponent(t)]=decodeURIComponent(n||"")}function nD(e,t){if(t=t.toLowerCase(),t==="true"||t==="false")return t==="true";if(`${+t}`===t)return+t;throw new Error(`Could not parse value flag value ${t} for flag ${e}.`)}function X(){return Px}var Px=null;function aD(e){Px=e}var bb;function LI(){if(bb==null){let e;if(typeof window!="undefined")e=window;else if(typeof global!="undefined")e=global;else if(typeof process!="undefined")e=process;else if(typeof self!="undefined")e=self;else throw new Error("Could not find a global object");bb=e}return bb}function rD(){let e=LI();return e._tfGlobals==null&&(e._tfGlobals=new Map),e._tfGlobals}function Ox(e,t){let n=rD();if(n.has(e))return n.get(e);{let a=t();return n.set(e,a),n.get(e)}}var El="Abs",Al="Acos",$l="Acosh",ds="Add",vi="AddN",Fl="All",Dl="Any",wi="ArgMax",gc="ArgMin",Rl="Asin",Ml="Asinh",Pl="Atan",Ol="Atanh",Ll="Atan2",ki="AvgPool",hm="AvgPoolGrad",yc="AvgPool3D",mm="AvgPool3DGrad",Ii="BatchMatMul",zl="BatchToSpaceND",fm="Bincount",zI="BroadcastTo",gm="BroadcastArgs",Si="Cast",Ni="Ceil",hs="ClipByValue",ym="Complex",bc="ComplexAbs",Bl="Concat",Ti="Conv2D",bm="Conv2DBackpropFilter",Ci="Conv2DBackpropInput",xc="Conv3D",xm="Conv3DBackpropFilterV2",vm="Conv3DBackpropInputV2",_i="Cos",Ei="Cosh",Wl="Cumprod",Ai="Cumsum",Vl="CropAndResize",wm="DenseBincount",Ul="DepthToSpace",$i="DepthwiseConv2dNative",km="DepthwiseConv2dNativeBackpropFilter",Im="DepthwiseConv2dNativeBackpropInput",Sm="Diag",vc="Dilation2D",Rh="Dilation2DBackpropInput",Mh="Dilation2DBackpropFilter",Fi="RealDiv",Nm="Einsum",Di="Elu",Tm="EluGrad",Gl="Erf",Hl="Equal",Ri="Exp",jl="ExpandDims",ql="Expm1",Cm="FFT",wc="Fill",Kl="FlipLeftRight",Mi="Floor",Pi="FloorDiv",Oi="FusedBatchNorm",Xl="GatherV2",Yl="GatherNd",Jl="Greater",Li="GreaterEqual",zi="Identity",_m="IFFT",Em="Imag",Zl="IsFinite",Ql="IsInf",eu="IsNan",Bi="LeakyRelu",tu="Less",nu="LessEqual",Am="LinSpace",Wi="Log",au="Log1p",ru="LogicalAnd",su="LogicalNot",iu="LogicalOr",BI="LogicalXor",WI="LogSoftmax",sD="LowerBound",kc="LRN",$m="LRNGrad",Vi="Max",Ui="Maximum",Gi="MaxPool",Fm="MaxPoolGrad",Ic="MaxPool3D",Dm="MaxPool3DGrad",Rm="MaxPoolWithArgmax",Hi="Mean",ji="Min",qi="Minimum",Ki="MirrorPad",ou="Mod",Mm="Multinomial",Xi="Multiply",lu="Neg",uu="NotEqual",pu="NonMaxSuppressionV3",cu="NonMaxSuppressionV4",du="NonMaxSuppressionV5",hu="OnesLike",Yi="OneHot",mu="Pack",Ji="PadV2",iD="Pool",Zi="Pow",Qi="Prelu",eo="Prod",Sc="Range",Pm="Real",fu="Reciprocal",to="Relu",gu="Reshape",no="ResizeNearestNeighbor",Om="ResizeNearestNeighborGrad",ao="ResizeBilinear",Lm="ResizeBilinearGrad",ro="Relu6",so="Reverse",io="Round",oo="Rsqrt",yu="ScatterNd",zm="SearchSorted",bu="Select",xu="Selu",vu="Slice",lo="Sin",wu="Sinh",ku="Sign",uo="Sigmoid",Iu="Softplus",po="Sqrt",co="Sum",Su="SpaceToBatchND",Nu="SplitV",ho="Softmax",Nc="SparseFillEmptyRows",Tu="SparseReshape",Tc="SparseSegmentMean",Cc="SparseSegmentSum",Bm="SparseToDense",mo="SquaredDifference",_c="Square",Cu="StridedSlice",Ec="StringNGrams",Ac="StringSplit",$c="StringToHashBucketFast",fo="Sub",go="Tan",yo="Tanh",ms="Tile",_u="TopK",Eu="Transform",Tr="Transpose",Wm="Unique",Au="Unpack",Fc="UnsortedSegmentSum",oD="UpperBound",$u="ZerosLike",fs="Step",Ph="FromPixels",Fu="RotateWithOffset",ri="_FusedMatMul",si="FusedConv2D",ii="FusedDepthwiseConv2D";function Kr(...e){X().getBool("IS_TEST")||X().getBool("PROD")||console.warn(...e)}function lD(...e){X().getBool("IS_TEST")||X().getBool("PROD")||console.log(...e)}var cl=Ox("kernelRegistry",()=>new Map),ec=Ox("gradRegistry",()=>new Map);function Oh(e,t){let n=Lx(e,t);return cl.get(n)}function Db(e){return ec.get(e)}function Lh(e){let t=cl.entries(),n=[];for(;;){let{done:a,value:r}=t.next();if(a)break;let[s,i]=r,[o]=s.split("_");o===e&&n.push(i)}return n}function Dc(e){let{kernelName:t,backendName:n}=e,a=Lx(t,n);cl.has(a)&&Kr(`The kernel '${t}' for backend '${n}' is already registered`),cl.set(a,e)}function VI(e){let{kernelName:t}=e;ec.has(t)&&X().getBool("DEBUG")&&Kr(`Overriding the gradient for '${t}'`),ec.set(t,e)}function uD(e,t){let n=Lx(e,t);if(!cl.has(n))throw new Error(`The kernel '${e}' for backend '${t}' is not registered`);cl.delete(n)}function pD(e){if(!ec.has(e))throw new Error(`The gradient '${e}' for backend is not registered`);ec.delete(e)}function cD(e,t){Lh(e).forEach(n=>{let a=Object.assign({},n,{backendName:t});Dc(a)})}function Lx(e,t){return`${t}_${e}`}var w={};Fe(w,{arraysEqual:()=>cs,assert:()=>R,assertNonNegativeIntegerDimensions:()=>Rx,assertNonNull:()=>xi,assertShapesMatch:()=>Cn,bytesFromStringArray:()=>DI,bytesPerElement:()=>Fb,checkConversionForErrors:()=>$I,clamp:()=>Qp,computeStrides:()=>_l,createScalarValue:()=>yD,createShuffledIndices:()=>qF,decodeString:()=>zh,distSquared:()=>UF,encodeString:()=>Mc,fetch:()=>xD,fingerPrint64:()=>gD,flatten:()=>ai,getArrayFromDType:()=>AI,getTypedArrayFromDType:()=>EI,hasEncodingLoss:()=>YF,hexToLong:()=>Rc,indexToLoc:()=>QF,inferDtype:()=>cm,inferFromImplicitShape:()=>XF,isBoolean:()=>RI,isFunction:()=>ts,isInt:()=>pl,isNumber:()=>MI,isPromise:()=>Mx,isScalarShape:()=>GF,isString:()=>Xr,isTypedArray:()=>hn,isValidDtype:()=>FI,locToIndex:()=>ZF,makeOnesTypedArray:()=>Dx,makeZerosNestedTypedArray:()=>JF,makeZerosTypedArray:()=>dm,nearestDivisor:()=>Dh,nearestLargerEven:()=>BF,now:()=>tc,parseAxisParam:()=>_a,randUniform:()=>VF,repeatedTry:()=>KF,rightPad:()=>Xp,shuffle:()=>CI,shuffleCombo:()=>zF,sizeFromShape:()=>yt,sizeToSquarishShape:()=>jF,squeezeShape:()=>_I,sum:()=>WF,swap:()=>Fh,tanh:()=>HF,toNestedArray:()=>sl,toTypedArray:()=>Vm});var ek=ps(kF()),qs=ek.default||ek;function Rc(e){return qs.fromString(e,!0,16)}var UI=Rc("c3a5c85c97cb3127"),Hs=Rc("b492b66fbe98f273"),wn=Rc("9ae16a3b2f90404f");function Rb(e){return e.xor(e.shru(47))}function GI(e,t,n){let a=e.slice(t,t+n);return qs.fromBytes(Array.from(a),!0,!0)}function gt(e,t){return GI(e,t,8)}function tk(e,t){return GI(e,t,4)}function Zt(e,t){return t===0?e:e.shru(t).or(e.shl(64-t))}function Zr(e,t,n=Rc("9ddfea08eb382d69")){let a=e.xor(t).mul(n);a=a.xor(a.shru(47));let r=t.xor(a).mul(n);return r=r.xor(r.shru(47)),r=r.mul(n),r}function dD(e,t,n,a,r,s){r=r.add(e),s=Zt(s.add(r).add(a),21);let i=r;return r=r.add(t),r=r.add(n),s=s.add(Zt(r,44)),[r.add(a),s.add(i)]}function uh(e,t,n,a){return dD(gt(e,t),gt(e,t+8),gt(e,t+16),gt(e,t+24),n,a)}function hD(e,t=e.length){if(t>=8){let n=wn.add(t*2),a=gt(e,0).add(wn),r=gt(e,t-8),s=Zt(r,37).mul(n).add(a),i=Zt(a,25).add(r).mul(n);return Zr(s,i,n)}if(t>=4){let n=wn.add(t*2),a=tk(e,0);return Zr(a.shl(3).add(t),tk(e,t-4),n)}if(t>0){let n=e[0],a=e[t>>1],r=e[t-1],s=n+(a<<8),i=t+(r<<2);return Rb(wn.mul(s).xor(UI.mul(i))).mul(wn)}return wn}function mD(e,t=e.length){let n=wn.add(t*2),a=gt(e,0).mul(Hs),r=gt(e,8),s=gt(e,t-8).mul(n),i=gt(e,t-16).mul(wn);return Zr(Zt(a.add(r),43).add(Zt(s,30)).add(i),a.add(Zt(r.add(wn),18)).add(s),n)}function fD(e,t=e.length){let n=wn.add(t*2),a=gt(e,0).mul(wn),r=gt(e,8),s=gt(e,t-8).mul(n),i=gt(e,t-16).mul(wn),o=Zt(a.add(r),43).add(Zt(s,30)).add(i),l=Zr(o,a.add(Zt(r.add(wn),18)).add(s),n),u=gt(e,16).mul(n),p=gt(e,24),d=o.add(gt(e,t-32)).mul(n),c=l.add(gt(e,t-24)).mul(n);return Zr(Zt(u.add(p),43).add(Zt(d,30)).add(c),u.add(Zt(p.add(a),18)).add(d),n)}function gD(e,t=e.length){let n=qs.fromNumber(81,!0);if(t<=32)return t<=16?hD(e,t):mD(e,t);if(t<=64)return fD(e,t);let a=n,r=n.mul(Hs).add(113),s=Rb(r.mul(wn).add(113)).mul(wn),i=[qs.UZERO,qs.UZERO],o=[qs.UZERO,qs.UZERO];a=a.mul(wn).add(gt(e,0));let l=0,u=(t-1>>6)*64,p=u+(t-1&63)-63;do a=Zt(a.add(r).add(i[0]).add(gt(e,l+8)),37).mul(Hs),r=Zt(r.add(i[1]).add(gt(e,l+48)),42).mul(Hs),a=a.xor(o[1]),r=r.add(i[0]).add(gt(e,l+40)),s=Zt(s.add(o[0]),33).mul(Hs),i=uh(e,l,i[1].mul(Hs),a.add(o[0])),o=uh(e,l+32,s.add(o[1]),r.add(gt(e,l+16))),[s,a]=[a,s],l+=64;while(l!==u);let d=Hs.add(s.and(255).shl(1));return l=p,o[0]=o[0].add(t-1&63),i[0]=i[0].add(o[0]),o[0]=o[0].add(i[0]),a=Zt(a.add(r).add(i[0]).add(gt(e,l+8)),37).mul(d),r=Zt(r.add(i[1]).add(gt(e,l+48)),42).mul(d),a=a.xor(o[1].mul(9)),r=r.add(i[0].mul(9).add(gt(e,l+40))),s=Zt(s.add(o[0]),33).mul(d),i=uh(e,l,i[1].mul(d),a.add(o[0])),o=uh(e,l+32,s.add(o[1]),r.add(gt(e,l+16))),[s,a]=[a,s],Zr(Zr(i[0],o[0],d).add(Rb(r).mul(UI)).add(s),Zr(i[1],o[1],d).add(a),d)}function yD(e,t){return t==="string"?Mc(e):Vm([e],t)}function bD(e,t){return e instanceof Float32Array&&t==="float32"||e instanceof Int32Array&&t==="int32"||e instanceof Uint8Array&&t==="bool"}function Vm(e,t){if(t==="string")throw new Error("Cannot convert a string[] to a TypedArray");if(Array.isArray(e)&&(e=ai(e)),X().getBool("DEBUG")&&$I(e,t),bD(e,t))return e;if(t==null||t==="float32"||t==="complex64")return new Float32Array(e);if(t==="int32")return new Int32Array(e);if(t==="bool"){let n=new Uint8Array(e.length);for(let a=0;a{a=n()},s,i=tc();if(this.backendTimer.timerAvailable())s=this.backendTimer.time(r);else{r();for(let o of a)o.dataSync();s=Promise.resolve({kernelMs:tc()-i})}if(X().getBool("CHECK_COMPUTATION_FOR_ERRORS"))for(let o=0;o{wD(u,l.dtype,e)})}return{kernelName:e,outputs:a,inputs:t,timeMs:s.then(o=>o.kernelMs),extraInfo:s.then(o=>o.getExtraProfileInfo!=null?o.getExtraProfileInfo():"")}}logKernelProfile(e){let{kernelName:t,outputs:n,timeMs:a,inputs:r,extraInfo:s}=e;n.forEach(i=>{Promise.all([i.data(),a,s]).then(o=>{this.logger.logKernelProfile(t,i,o[0],o[1],r,o[2])})})}};function wD(e,t,n){if(t!=="float32")return!1;for(let a=0;a0?m:""} `}}console.log(`%c${o} %c${i} %c${l}D ${p} %c${u} %c${d} %c${s}`,"font-weight:bold","color:red","color:blue","color: orange","color: green","color: steelblue")}};function ID(e,t,n){let a={},r={};for(let l=0;la[f.id]=!0),h=!0,r[u.id]=!0;break}if(h)break}}let s={};s[n.id]=!0;let i={};for(let l=e.length-1;l>=0;l--){let u=e[l],p=u.inputs;for(let d=0;d=0;r--){let s=t[r],i=[];if(s.outputs.forEach(l=>{let u=e[l.id];u!=null?i.push(u):i.push(null)}),s.gradient==null)throw new Error(`Cannot compute gradient: gradient function not found for ${s.kernelName}.`);let o=s.gradient(i);for(let l in s.inputs){if(!(l in o))throw new Error(`Cannot backprop through input ${l}. Available gradients found: ${Object.keys(o)}.`);let u=n(()=>o[l]());if(u.dtype!=="float32")throw new Error(`Error in gradient for op ${s.kernelName}. The gradient of input ${l} must have 'float32' dtype, but has '${u.dtype}'`);let p=s.inputs[l];if(!cs(u.shape,p.shape))throw new Error(`Error in gradient for op ${s.kernelName}. The gradient of input '${l}' has shape '${u.shape}', which does not match the shape of the input '${p.shape}'`);if(e[p.id]==null)e[p.id]=u;else{let d=e[p.id];e[p.id]=a(d,u),d.dispose()}}}}var nk=20,Mp=3,xb=7;function ND(e,t,n,a){let r=_l(t),s=TD(e,t,n,r),i=t.length,o=wh(e,t,n,r,s),l=["Tensor"];return a&&(l.push(` dtype: ${n}`),l.push(` rank: ${i}`),l.push(` shape: [${t}]`),l.push(" values:")),l.push(o.map(u=>" "+u).join(` `)),l.join(` `)}function TD(e,t,n,a){let r=yt(t),s=a[a.length-1],i=new Array(s).fill(0),o=t.length,l=n==="complex64"?Bp(e):e;if(o>1)for(let u=0;unk){let g=Mp*i,y=Array.from(e.slice(0,g)),b=Array.from(e.slice((o-Mp)*i,o*i));return n==="complex64"&&(y=Bp(y),b=Bp(b)),["["+y.map((x,v)=>zp(x,r[v],n)).join(", ")+", ..., "+b.map((x,v)=>zp(x,r[o-Mp+v],n)).join(", ")+"]"]}let f=n==="complex64"?Bp(e):Array.from(e);return["["+f.map((g,y)=>zp(g,r[y],n)).join(", ")+"]"]}let u=t.slice(1),p=a.slice(1),d=a[0]*i,c=[];if(o>nk){for(let f=0;f`Length of values '${a}' does not match the size inferred by the shape '${this.size}'.`)}if(t==="complex64")throw new Error("complex64 dtype TensorBuffers are not supported. Please create a TensorBuffer for the real and imaginary parts separately and call tf.complex(real, imag).");this.values=n||AI(t,this.size),this.strides=_l(e)}set(e,...t){t.length===0&&(t=[0]),R(t.length===this.rank,()=>`The number of provided coordinates (${t.length}) must match the rank (${this.rank})`);let n=this.locToIndex(t);this.values[n]=e}get(...e){e.length===0&&(e=[0]);let t=0;for(let a of e){if(a<0||a>=this.shape[t]){let r=`Requested out of range element at ${e}. Buffer shape=${this.shape}`;throw new Error(r)}t++}let n=e[e.length-1];for(let a=0;azh(n))}catch(n){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}}return e}dataToGPU(e){return this.throwIfDisposed(),Va().readToGPU(this.dataId,e)}dataSync(){this.throwIfDisposed();let e=Va().readSync(this.dataId);if(this.dtype==="string")try{return e.map(t=>zh(t))}catch(t){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}return e}async bytes(){this.throwIfDisposed();let e=await Va().read(this.dataId);return this.dtype==="string"?e:new Uint8Array(e.buffer)}dispose(){this.isDisposed||(Va().disposeTensor(this),this.isDisposedInternal=!0)}get isDisposed(){return this.isDisposedInternal}throwIfDisposed(){if(this.isDisposed)throw new Error("Tensor is disposed.")}print(e=!1){return nl.print(this,e)}clone(){return this.throwIfDisposed(),nl.clone(this)}toString(e=!1){let t=this.dataSync();return ND(t,this.shape,this.dtype,e)}cast(e){return this.throwIfDisposed(),nl.cast(this,e)}variable(e=!0,t,n){return this.throwIfDisposed(),Va().makeVariable(this,e,t,n)}};Object.defineProperty(Ae,Symbol.hasInstance,{value:e=>!!e&&e.data!=null&&e.dataSync!=null&&e.throwIfDisposed!=null});function ne(){return Ox("Tensor",()=>Ae)}ne();var ns=class extends Ae{constructor(e,t,n,a){super(e.shape,e.dtype,e.dataId,a),this.trainable=t,this.name=n}assign(e){if(e.dtype!==this.dtype)throw new Error(`dtype of the new value (${e.dtype}) and previous value (${this.dtype}) must match`);if(!cs(e.shape,this.shape))throw new Error(`shape of the new value (${e.shape}) and previous value (${this.shape}) must match`);Va().disposeTensor(this),this.dataId=e.dataId,Va().incRef(this,null)}dispose(){Va().disposeVariable(this),this.isDisposedInternal=!0}};Object.defineProperty(ns,Symbol.hasInstance,{value:e=>e instanceof Ae&&e.assign!=null&&e.assign instanceof Function});var ja={};Fe(ja,{assertTypesMatch:()=>jI,getTensorsInContainer:()=>zx,isTensorInList:()=>FD,makeTypesMatch:()=>At});var Mb;(function(e){e.R0="R0",e.R1="R1",e.R2="R2",e.R3="R3",e.R4="R4",e.R5="R5",e.R6="R6"})(Mb||(Mb={}));var Pb;(function(e){e.float32="float32",e.int32="int32",e.bool="int32",e.complex64="complex64"})(Pb||(Pb={}));var Ob;(function(e){e.float32="float32",e.int32="int32",e.bool="bool",e.complex64="complex64"})(Ob||(Ob={}));var Lb;(function(e){e.float32="float32",e.int32="float32",e.bool="float32",e.complex64="complex64"})(Lb||(Lb={}));var zb;(function(e){e.float32="complex64",e.int32="complex64",e.bool="complex64",e.complex64="complex64"})(zb||(zb={}));var $D={float32:Lb,int32:Pb,bool:Ob,complex64:zb};function ha(e,t){if(e==="string"||t==="string"){if(e==="string"&&t==="string")return"string";throw new Error(`Can not upcast ${e} with ${t}`)}return $D[e][t]}function Um(e){return ha(e,"int32")}function At(e,t){if(e.dtype===t.dtype)return[e,t];let n=ha(e.dtype,t.dtype);return[e.cast(n),t.cast(n)]}function jI(e,t){R(e.dtype===t.dtype,()=>`The dtypes of the first(${e.dtype}) and second(${t.dtype}) input must match`)}function FD(e,t){return t.some(n=>n.id===e.id)}function zx(e){let t=[];return qI(e,t,new Set),t}function qI(e,t,n){if(e==null)return;if(e instanceof Ae){t.push(e);return}if(!DD(e))return;let a=e;for(let r in a){let s=a[r];n.has(s)||(n.add(s),qI(s,t,n))}}function DD(e){return Array.isArray(e)||typeof e=="object"}function vb(e){return e.kernelName!=null}var ak=class{constructor(){this.registeredVariables={},this.nextTapeNodeId=0,this.numBytes=0,this.numTensors=0,this.numStringTensors=0,this.numDataBuffers=0,this.gradientDepth=0,this.kernelDepth=0,this.scopeStack=[],this.numDataMovesStack=[],this.nextScopeId=0,this.tensorInfo=new WeakMap,this.profiling=!1,this.activeProfile={newBytes:0,newTensors:0,peakBytes:0,kernels:[],result:null,get kernelNames(){return Array.from(new Set(this.kernels.map(e=>e.name)))}}}dispose(){for(let e in this.registeredVariables)this.registeredVariables[e].dispose()}},nc=class{constructor(e){this.ENV=e,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new ak}async ready(){if(this.pendingBackendInit!=null)return this.pendingBackendInit.then(()=>{});if(this.backendInstance!=null)return;let e=this.getSortedBackends();for(let t=0;t{e.setupFunc!=null&&e.setupFunc(this.backendInstance)})}disposeRegisteredKernels(e){Lh(e).forEach(t=>{t.disposeFunc!=null&&t.disposeFunc(this.registry[e])})}initializeBackend(e){let t=this.registryFactory[e];if(t==null)throw new Error(`Cannot initialize backend ${e}, no registration found.`);try{let n=t.factory();if(n&&!(n instanceof fc)&&typeof n.then=="function"){let a=++this.pendingBackendInitId,r=n.then(s=>a(athis.registryFactory[t].priority-this.registryFactory[e].priority)}initializeBackendsAndReturnBest(){let e=this.getSortedBackends();for(let t=0;tthis.startScope(n),()=>this.endScope(a),()=>(a=t(),a instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),a))}scopedRun(e,t,n){e();try{let a=n();return t(),a}catch(a){throw t(),a}}nextTensorId(){return nc.nextTensorId++}nextVariableId(){return nc.nextVariableId++}clone(e){let t=L.runKernel(zi,{x:e}),n={x:e},a=s=>({x:()=>{let i="float32",o={x:s},l={dtype:i};return L.runKernel(Si,o,l)}}),r=[];return this.addTapeNode(this.state.activeScope.name,n,[t],a,r,{}),t}runKernel(e,t,n){if(this.backendName==null&&this.backend,Oh(e,this.backendName)==null)throw new Error(`Kernel '${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=vb(e)?e.kernelName:this.state.activeScope!=null?this.state.activeScope.name:"";if(vb(e)){let{kernelName:h,inputs:m,attrs:f}=e;this.backendName==null&&this.backend;let g=Oh(h,this.backendName);R(g!=null,()=>`Cannot find registered kernel '${h}' for backend '${this.backendName}'`),i=()=>{let y=this.backend.numDataIds();o=g.kernelFunc({inputs:m,attrs:f,backend:this.backend});let b=Array.isArray(o)?o:[o];this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(h,y,b);let x=b.map(v=>v.rank!=null?v:this.makeTensorFromTensorInfo(v));if(a){let v=this.getTensorsForGradient(h,m,x);n=this.saveTensorsForBackwardMode(v)}return x}}else{let{forwardFunc:h}=e,m=f=>{!a||(n=f.map(g=>this.keep(this.clone(g))))};i=()=>{let f=this.backend.numDataIds();o=this.tidy(()=>h(this.backend,m));let g=Array.isArray(o)?o:[o];return this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(l,f,g),g}}let{inputs:u,attrs:p}=e,d=vb(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,u,()=>i()),this.ENV.getBool("DEBUG")&&this.profiler.logKernelProfile(c),t=c.outputs)}),a&&this.addTapeNode(l,u,t,d,n,p),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(u).map(h=>u[h]!=null?u[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=Db(e);if(a!=null){let r=a.inputsToSave||[],s=a.outputsToSave||[],i;a.saveAllInputs?(R(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,u)=>s[u]);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"&&Xr(e[0])&&(r=e.map(o=>Mc(o)));let s=a.write(r,t,n),i=new Ae(t,n,s,this.nextTensorId());if(this.trackTensor(i,a),n==="string"){let o=this.state.tensorInfo.get(s),l=DI(r);this.state.numBytes+=l-o.bytes,o.bytes=l}return i}makeTensorFromDataId(e,t,n,a){n=n||"float32";let r={dataId:e,shape:t,dtype:n};return this.makeTensorFromTensorInfo(r,a)}makeTensorFromTensorInfo(e,t){let{dataId:n,shape:a,dtype:r}=e,s=new Ae(a,r,n,this.nextTensorId());return this.trackTensor(s,t),s}makeVariable(e,t=!0,n,a){n=n||this.nextVariableId().toString(),a!=null&&a!==e.dtype&&(e=e.cast(a));let r=new ns(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*Fb(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 ns||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*Fb(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=Db(e);o!=null&&(a=o.gradFunc),a!=null&&(i.gradient=l=>(l=l.map((u,p)=>{if(u==null){let d=n[p],c=dm(d.size,d.dtype);return this.makeTensor(c,d.shape,d.dtype)}return u}),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=zx(e),n=new Set(t.map(r=>r.id));for(let r=0;r{!r.kept&&r.scopeId===a.id&&this.track(r)})}gradients(e,t,n,a=!1){if(R(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));R(r instanceof Ae,()=>"The result y returned by f() must be a tensor.");let s=ID(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?RD(r.shape):n,SD(i,s,l=>this.tidy(l),MD);let o=t.map(l=>i[l.id]);return this.state.gradientDepth===0&&(this.state.activeTape.forEach(l=>{for(let u of l.saved)u.dispose()}),this.state.activeTape=null),{value:r,grads:o}})}customGrad(e){return R(ts(e),()=>"The f passed in customGrad(f) must be a function."),(...t)=>{R(t.every(i=>i instanceof Ae),()=>"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),R(n.value instanceof Ae,()=>"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"),R(ts(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),u=Array.isArray(l)?l:[l];R(u.length===t.length,()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...)."),R(u.every(d=>d instanceof Ae),()=>"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 p={};return u.forEach((d,c)=>{p[c]=()=>d}),p};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)}readToGPU(e,t){return this.state.tensorInfo.get(e).backend.readToGPU(e,t)}async time(e){let t=tc(),n=await this.backend.time(e);return n.wallMs=tc()-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 ak;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}};nc.nextTensorId=0;nc.nextVariableId=0;function RD(e){let t=Dx(yt(e),"float32");return L.makeTensor(t,e,"float32")}function KI(){let e=LI();if(e._tfengine==null){let t=new OI(e);e._tfengine=new nc(t)}return aD(e._tfengine.ENV),_D(()=>e._tfengine),e._tfengine}var L=KI();function MD(e,t){let n={a:e,b:t};return L.runKernel(ds,n)}var Pc={};Fe(Pc,{isBrowser:()=>XI,isMobile:()=>LD,mockIsMobile:()=>OD});function PD(){return typeof navigator!="undefined"&&navigator!=null}var Bb;function OD(e){Bb=e}function LD(e){if(Bb!==void 0)return Bb;if(e||PD()){if(e||(e=navigator),e.product==="ReactNative")return!0;let t=e.userAgent||e.vendor||(typeof window!="undefined"?window.opera:"");if(!t){let n=e;return n.userAgentData&&n.userAgentData.mobile}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 XI(){return typeof window!="undefined"&&window.document!=null||typeof WorkerGlobalScope!="undefined"}var Ta=X();Ta.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. This significantly impacts performance.")});Ta.registerFlag("IS_BROWSER",()=>XI());Ta.registerFlag("IS_NODE",()=>typeof process!="undefined"&&typeof process.versions!="undefined"&&typeof process.versions.node!="undefined");Ta.registerFlag("IS_CHROME",()=>typeof navigator!="undefined"&&navigator!=null&&navigator.userAgent!=null&&/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor));Ta.registerFlag("PROD",()=>!1);Ta.registerFlag("TENSORLIKE_CHECK_SHAPE_CONSISTENCY",()=>Ta.getBool("DEBUG"));Ta.registerFlag("DEPRECATION_WARNINGS_ENABLED",()=>!0);Ta.registerFlag("IS_TEST",()=>!1);Ta.registerFlag("CHECK_COMPUTATION_FOR_ERRORS",()=>!0);Ta.registerFlag("WRAP_TO_IMAGEBITMAP",()=>!1);Ta.registerFlag("ENGINE_COMPILE_ONLY",()=>!1);function ur(e,t){let n=e;if(hn(e))return t==="string"?[]:[e.length];if(!Array.isArray(e))return[];let a=[];for(;Array.isArray(n)||hn(n)&&t!=="string";)a.push(n.length),n=n[0];return Array.isArray(e)&&X().getBool("TENSORLIKE_CHECK_SHAPE_CONSISTENCY")&&YI(e,a,[]),a}function YI(e,t,n){if(n=n||[],!Array.isArray(e)&&!hn(e)){R(t.length===0,()=>`Element arr[${n.join("][")}] is a primitive, but should be an array/TypedArray of ${t[0]} elements`);return}R(t.length>0,()=>`Element arr[${n.join("][")}] should be a primitive, but is an array of ${e.length} elements`),R(e.length===t[0],()=>`Element arr[${n.join("][")}] should have ${t[0]} elements, but has ${e.length} elements`);let a=t.slice(1);for(let r=0;r=0&&(r=a),rk(a,r,t,n),e==null||!hn(e)&&!Array.isArray(e)&&typeof e!="number"&&typeof e!="boolean"&&typeof e!="string"){let o=e==null?"null":e.constructor.name;throw new Error(`Argument '${t}' passed to '${n}' must be a Tensor or TensorLike, but got '${o}'`)}let s=ur(e,r);!hn(e)&&!Array.isArray(e)&&(e=[e]);let i=r!=="string"?Vm(e,r):ai(e,[],!0);return L.makeTensor(i,s,r)}function ac(e,t,n,a="numeric"){if(!Array.isArray(e))throw new Error(`Argument ${t} passed to ${n} must be a \`Tensor[]\` or \`TensorLike[]\``);return e.map((r,s)=>E(r,`${t}[${s}]`,n,a))}var Bx="__op";function z(e){let t=Object.keys(e);if(t.length!==1)throw new Error(`Please provide an object with a single key (operation name) mapping to a function. Got an object with ${t.length} keys.`);let n=t[0],a=e[n];n.endsWith("_")&&(n=n.substring(0,n.length-1)),n=n+Bx;let r=(...s)=>{L.startScope(n);try{let i=a(...s);return Mx(i)&&console.error("Cannot return a Promise inside of tidy."),L.endScope(i),i}catch(i){throw L.endScope(null),i}};return Object.defineProperty(r,"name",{value:n,configurable:!0}),r}function zD(e,t){let n=E(e,"real","complex"),a=E(t,"imag","complex");Cn(n.shape,a.shape,`real and imag shapes, ${n.shape} and ${a.shape}, must match in call to tf.complex().`);let r={real:n,imag:a};return L.runKernel(ym,r)}var _r=z({complex_:zD});function gs(e,t,n,a){if(a==null&&(a=cm(e)),a==="complex64")throw new Error("Cannot construct a complex64 tensor directly. Please use tf.complex(real, imag).");if(!hn(e)&&!Array.isArray(e)&&typeof e!="number"&&typeof e!="boolean"&&typeof e!="string")throw new Error("values passed to tensor(values) must be a number/boolean/string or an array of numbers/booleans/strings, or a TypedArray");if(t!=null){Rx(t);let r=yt(t),s=yt(n);R(r===s,()=>`Based on the provided shape, [${t}], the tensor should have ${r} values but has ${s}`);for(let i=0;i`Error creating a new Tensor. Inferred shape (${n}) does not match the provided shape (${t}). `)}}return!hn(e)&&!Array.isArray(e)&&(e=[e]),t=t||n,e=a!=="string"?Vm(e,a):ai(e,[],!0),L.makeTensor(e,t,a)}function Bn(e,t,n){let a=ur(e,n);return gs(e,t,a,n)}var Wb={float32:4,float16:2,int32:4,uint16:2,uint8:1,bool:1,complex64:8},Bh=4;async function BD(e,t){let n=[],a=[],r=Array.isArray(e)?e.map(i=>i.name):Object.keys(e);for(let i=0;i{let c=await l.bytes(),h=c.reduce((g,y)=>g+y.length,0)+Bh*c.length,m=new Uint8Array(h),f=0;for(let g=0;g{if(t+=s.byteLength,n.push(s.byteLength===s.buffer.byteLength?s:new s.constructor(s)),!(s instanceof Float32Array||s instanceof Int32Array||s instanceof Uint8Array))throw new Error(`Unsupported TypedArray subtype: ${s.constructor.name}`)});let a=new Uint8Array(t),r=0;return n.forEach(s=>{a.set(new Uint8Array(s.buffer),r),r+=s.byteLength}),a.buffer}var Wx=typeof Buffer!="undefined"&&(typeof Blob=="undefined"||typeof atob=="undefined"||typeof btoa=="undefined");function sk(e){return Wx?Buffer.byteLength(e):new Blob([e]).size}function VD(e){if(Wx)return Buffer.from(e).toString("base64");let t=new Uint8Array(e),n="";for(let a=0,r=t.length;a{t+=r.byteLength});let n=new Uint8Array(t),a=0;return e.forEach(r=>{n.set(new Uint8Array(r),a),a+=r.byteLength}),n.buffer}function ik(e){let t="/";for(e=e.trim();e.endsWith(t);)e=e.slice(0,e.length-1);let n=e.split(t);return n[n.length-1]}function ZI(e,t){let n={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,weightsManifest:t};return e.signature!=null&&(n.signature=e.signature),e.userDefinedMetadata!=null&&(n.userDefinedMetadata=e.userDefinedMetadata),e.modelInitializer!=null&&(n.modelInitializer=e.modelInitializer),e.trainingConfig!=null&&(n.trainingConfig=e.trainingConfig),n}async function Ux(e,t){let n={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy};if(e.trainingConfig!=null&&(n.trainingConfig=e.trainingConfig),e.weightsManifest!=null){let[a,r]=await t(e.weightsManifest);n.weightSpecs=a,n.weightData=r}return e.signature!=null&&(n.signature=e.signature),e.userDefinedMetadata!=null&&(n.userDefinedMetadata=e.userDefinedMetadata),e.modelInitializer!=null&&(n.modelInitializer=e.modelInitializer),n}function Oc(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("Expected JSON model topology, received ArrayBuffer.");return{dateSaved:new Date,modelTopologyType:"JSON",modelTopologyBytes:e.modelTopology==null?0:sk(JSON.stringify(e.modelTopology)),weightSpecsBytes:e.weightSpecs==null?0:sk(JSON.stringify(e.weightSpecs)),weightDataBytes:e.weightData==null?0:e.weightData.byteLength}}function GD(){let e=n=>{let a=n<<13,r=0;for(;(a&8388608)===0;)r-=8388608,a<<=1;return a&=-8388609,r+=947912704,a|r},t=new Uint32Array(2048);t[0]=0;for(let n=1;n<1024;n++)t[n]=e(n);for(let n=1024;n<2048;n++)t[n]=939524096+(n-1024<<13);return t}function HD(){let e=new Uint32Array(64);e[0]=0,e[31]=1199570944,e[32]=2147483648,e[63]=3347054592;for(let t=1;t<31;t++)e[t]=t<<23;for(let t=33;t<63;t++)e[t]=2147483648+(t-32<<23);return e}function jD(){let e=new Uint32Array(64);for(let t=0;t<64;t++)e[t]=1024;return e[0]=e[32]=0,e}function qD(){let e=GD(),t=HD(),n=jD();return a=>{let r=new ArrayBuffer(4*a.length),s=new Uint32Array(r);for(let i=0;i>10]+(o&1023)]+t[o>>10];s[i]=l}return new Float32Array(r)}}var Ft=class{constructor(){this.saveRouters=[],this.loadRouters=[]}static getInstance(){return Ft.instance==null&&(Ft.instance=new Ft),Ft.instance}static registerSaveRouter(e){Ft.getInstance().saveRouters.push(e)}static registerLoadRouter(e){Ft.getInstance().loadRouters.push(e)}static getSaveHandlers(e){return Ft.getHandlers(e,"save")}static getLoadHandlers(e,t){return Ft.getHandlers(e,"load",t)}static getHandlers(e,t,n){let a=[];return(t==="load"?Ft.getInstance().loadRouters:Ft.getInstance().saveRouters).forEach(r=>{let s=r(e,n);s!==null&&a.push(s)}),a}},KD=e=>Ft.registerSaveRouter(e),XD=e=>Ft.registerLoadRouter(e),YD=e=>Ft.getSaveHandlers(e),JD=(e,t)=>Ft.getLoadHandlers(e,t),Vb="tensorflowjs",Ub=1,Js="models_store",Yr="model_info_store";function QI(){if(!X().getBool("IS_BROWSER"))throw new Error("Failed to obtain IndexedDB factory because the current environmentis not a web browser.");let e=typeof window=="undefined"?self:window,t=e.indexedDB||e.mozIndexedDB||e.webkitIndexedDB||e.msIndexedDB||e.shimIndexedDB;if(t==null)throw new Error("The current browser does not appear to support IndexedDB.");return t}function Gb(e){let t=e.result;t.createObjectStore(Js,{keyPath:"modelPath"}),t.createObjectStore(Yr,{keyPath:"modelPath"})}var oi=class{constructor(e){if(this.indexedDB=QI(),e==null||!e)throw new Error("For IndexedDB, modelPath must not be null, undefined or empty.");this.modelPath=e}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");return this.databaseAction(this.modelPath,e)}async load(){return this.databaseAction(this.modelPath)}databaseAction(e,t){return new Promise((n,a)=>{let r=this.indexedDB.open(Vb,Ub);r.onupgradeneeded=()=>Gb(r),r.onsuccess=()=>{let s=r.result;if(t==null){let i=s.transaction(Js,"readonly"),o=i.objectStore(Js).get(this.modelPath);o.onsuccess=()=>{if(o.result==null)return s.close(),a(new Error(`Cannot find model with path '${this.modelPath}' in IndexedDB.`));n(o.result.modelArtifacts)},o.onerror=l=>(s.close(),a(o.error)),i.oncomplete=()=>s.close()}else{let i=Oc(t),o=s.transaction(Yr,"readwrite"),l=o.objectStore(Yr),u=l.put({modelPath:this.modelPath,modelArtifactsInfo:i}),p;u.onsuccess=()=>{p=s.transaction(Js,"readwrite");let d=p.objectStore(Js).put({modelPath:this.modelPath,modelArtifacts:t,modelArtifactsInfo:i});d.onsuccess=()=>n({modelArtifactsInfo:i}),d.onerror=c=>{l=o.objectStore(Yr);let h=l.delete(this.modelPath);h.onsuccess=()=>(s.close(),a(d.error)),h.onerror=m=>(s.close(),a(d.error))}},u.onerror=d=>(s.close(),a(u.error)),o.oncomplete=()=>{p==null?s.close():p.oncomplete=()=>s.close()}}},r.onerror=s=>a(r.error)})}};oi.URL_SCHEME="indexeddb://";var eS=e=>X().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(oi.URL_SCHEME)?ZD(e.slice(oi.URL_SCHEME.length)):null;Ft.registerSaveRouter(eS);Ft.registerLoadRouter(eS);function ZD(e){return new oi(e)}function QD(e){return e.startsWith(oi.URL_SCHEME)?e.slice(oi.URL_SCHEME.length):e}var eR=class{constructor(){this.indexedDB=QI()}async listModels(){return new Promise((e,t)=>{let n=this.indexedDB.open(Vb,Ub);n.onupgradeneeded=()=>Gb(n),n.onsuccess=()=>{let a=n.result,r=a.transaction(Yr,"readonly"),s=r.objectStore(Yr).getAll();s.onsuccess=()=>{let i={};for(let o of s.result)i[o.modelPath]=o.modelArtifactsInfo;e(i)},s.onerror=i=>(a.close(),t(s.error)),r.oncomplete=()=>a.close()},n.onerror=a=>t(n.error)})}async removeModel(e){return e=QD(e),new Promise((t,n)=>{let a=this.indexedDB.open(Vb,Ub);a.onupgradeneeded=()=>Gb(a),a.onsuccess=()=>{let r=a.result,s=r.transaction(Yr,"readwrite"),i=s.objectStore(Yr),o=i.get(e),l;o.onsuccess=()=>{if(o.result==null)return r.close(),n(new Error(`Cannot find model with path '${e}' in IndexedDB.`));{let u=i.delete(e),p=()=>{l=r.transaction(Js,"readwrite");let d=l.objectStore(Js).delete(e);d.onsuccess=()=>t(o.result.modelArtifactsInfo),d.onerror=c=>n(o.error)};u.onsuccess=p,u.onerror=d=>(p(),r.close(),n(o.error))}},o.onerror=u=>(r.close(),n(o.error)),s.oncomplete=()=>{l==null?r.close():l.oncomplete=()=>r.close()}},a.onerror=r=>n(a.error)})}},Ir="/",al="tensorflowjs_models",tS="info",tR="model_topology",nR="weight_specs",aR="weight_data",rR="model_metadata";function nS(e){return{info:[al,e,tS].join(Ir),topology:[al,e,tR].join(Ir),weightSpecs:[al,e,nR].join(Ir),weightData:[al,e,aR].join(Ir),modelMetadata:[al,e,rR].join(Ir)}}function aS(e){for(let t of Object.values(e))window.localStorage.removeItem(t)}function sR(e){let t=e.split(Ir);if(t.length<3)throw new Error(`Invalid key format: ${e}`);return t.slice(1,t.length-1).join(Ir)}function iR(e){return e.startsWith(li.URL_SCHEME)?e.slice(li.URL_SCHEME.length):e}var li=class{constructor(e){if(!X().getBool("IS_BROWSER")||typeof window=="undefined"||typeof window.localStorage=="undefined")throw new Error("The current environment does not support local storage.");if(this.LS=window.localStorage,e==null||!e)throw new Error("For local storage, modelPath must not be null, undefined or empty.");this.modelPath=e,this.keys=nS(this.modelPath)}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");{let t=JSON.stringify(e.modelTopology),n=JSON.stringify(e.weightSpecs),a=Oc(e);try{this.LS.setItem(this.keys.info,JSON.stringify(a)),this.LS.setItem(this.keys.topology,t),this.LS.setItem(this.keys.weightSpecs,n),this.LS.setItem(this.keys.weightData,VD(e.weightData));let r={format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,signature:e.signature!=null?e.signature:void 0,userDefinedMetadata:e.userDefinedMetadata!=null?e.userDefinedMetadata:void 0,modelInitializer:e.modelInitializer!=null?e.modelInitializer:void 0,trainingConfig:e.trainingConfig!=null?e.trainingConfig:void 0};return this.LS.setItem(this.keys.modelMetadata,JSON.stringify(r)),{modelArtifactsInfo:a}}catch(r){throw aS(this.keys),new Error(`Failed to save model '${this.modelPath}' to local storage: size quota being exceeded is a possible cause of this failure: modelTopologyBytes=${a.modelTopologyBytes}, weightSpecsBytes=${a.weightSpecsBytes}, weightDataBytes=${a.weightDataBytes}.`)}}}async load(){let e=JSON.parse(this.LS.getItem(this.keys.info));if(e==null)throw new Error(`In local storage, there is no model with name '${this.modelPath}'`);if(e.modelTopologyType!=="JSON")throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");let t={},n=JSON.parse(this.LS.getItem(this.keys.topology));if(n==null)throw new Error(`In local storage, the topology of model '${this.modelPath}' is missing.`);t.modelTopology=n;let a=JSON.parse(this.LS.getItem(this.keys.weightSpecs));if(a==null)throw new Error(`In local storage, the weight specs of model '${this.modelPath}' are missing.`);t.weightSpecs=a;let r=this.LS.getItem(this.keys.modelMetadata);if(r!=null){let i=JSON.parse(r);t.format=i.format,t.generatedBy=i.generatedBy,t.convertedBy=i.convertedBy,i.signature!=null&&(t.signature=i.signature),i.userDefinedMetadata!=null&&(t.userDefinedMetadata=i.userDefinedMetadata),i.modelInitializer!=null&&(t.modelInitializer=i.modelInitializer),i.trainingConfig!=null&&(t.trainingConfig=i.trainingConfig)}let s=this.LS.getItem(this.keys.weightData);if(s==null)throw new Error(`In local storage, the binary weight values of model '${this.modelPath}' are missing.`);return t.weightData=UD(s),t}};li.URL_SCHEME="localstorage://";var rS=e=>X().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(li.URL_SCHEME)?oR(e.slice(li.URL_SCHEME.length)):null;Ft.registerSaveRouter(rS);Ft.registerLoadRouter(rS);function oR(e){return new li(e)}var lR=class{constructor(){R(X().getBool("IS_BROWSER"),()=>"Current environment is not a web browser"),R(typeof window=="undefined"||typeof window.localStorage!="undefined",()=>"Current browser does not appear to support localStorage"),this.LS=window.localStorage}async listModels(){let e={},t=al+Ir,n=Ir+tS;for(let a=0;a"scheme must not be undefined or null."),e.endsWith(il)&&(e=e.slice(0,e.indexOf(il))),R(e.length>0,()=>"scheme must not be an empty string.");let n=On.getInstance();R(n.managers[e]==null,()=>`A model store manager is already registered for scheme '${e}'.`),n.managers[e]=t}static getManager(e){let t=On.getInstance().managers[e];if(t==null)throw new Error(`Cannot find model manager for scheme '${e}'`);return t}static getSchemes(){return Object.keys(On.getInstance().managers)}};function kh(e){if(e.indexOf(il)===-1)throw new Error(`The url string provided does not contain a scheme. Supported schemes are: ${On.getSchemes().join(",")}`);return{scheme:e.split(il)[0],path:e.split(il)[1]}}async function sS(e,t,n=!1){R(e!==t,()=>`Old path and new path are the same: '${e}'`);let a=Ft.getLoadHandlers(e);R(a.length>0,()=>`Copying failed because no load handler is found for source URL ${e}.`),R(a.length<2,()=>`Copying failed because more than one (${a.length}) load handlers for source URL ${e}.`);let r=a[0],s=Ft.getSaveHandlers(t);R(s.length>0,()=>`Copying failed because no save handler is found for destination URL ${t}.`),R(s.length<2,()=>`Copying failed because more than one (${a.length}) save handlers for destination URL ${t}.`);let i=s[0],o=kh(e).scheme,l=kh(e).path,u=o===kh(e).scheme,p=await r.load();n&&u&&await On.getManager(o).removeModel(l);let d=await i.save(p);return n&&!u&&await On.getManager(o).removeModel(l),d.modelArtifactsInfo}async function uR(){let e=On.getSchemes(),t={};for(let n of e){let a=await On.getManager(n).listModels();for(let r in a){let s=n+il+r;t[s]=a[r]}}return t}async function pR(e){let t=kh(e);return On.getManager(t.scheme).removeModel(t.path)}async function cR(e,t){return sS(e,t,!1)}async function dR(e,t){return sS(e,t,!0)}var hR=class{fetch(e,t){return fetch(e,t)}now(){return performance.now()}encode(e,t){if(t!=="utf-8"&&t!=="utf8")throw new Error(`Browser's encoder only supports utf-8, but got ${t}`);return this.textEncoder==null&&(this.textEncoder=new TextEncoder),this.textEncoder.encode(e)}decode(e,t){return new TextDecoder(t).decode(e)}};if(X().get("IS_BROWSER")){X().setPlatform("browser",new hR);try{On.registerManager(li.URL_SCHEME,new lR)}catch(e){}try{On.registerManager(oi.URL_SCHEME,new eR)}catch(e){}}var mR={importFetch:()=>IF()},wb,fR=class{constructor(){this.util=SF(),this.textEncoder=new this.util.TextEncoder}fetch(e,t){return X().global.fetch!=null?X().global.fetch(e,t):(wb==null&&(wb=mR.importFetch()),wb(e,t))}now(){let e=process.hrtime();return e[0]*1e3+e[1]/1e6}encode(e,t){if(t!=="utf-8"&&t!=="utf8")throw new Error(`Node built-in encoder only supports utf-8, but got ${t}`);return this.textEncoder.encode(e)}decode(e,t){return e.length===0?"":new this.util.TextDecoder(t).decode(e)}};X().get("IS_NODE")&&!X().get("IS_BROWSER")&&X().setPlatform("node",new fR);function Le(e,t="float32",n){return t=t||"float32",Rx(e),new jt(e,t,n)}function gR(e,t){let n=E(e,"x","cast");if(!FI(t))throw new Error(`Failed to cast to unknown dtype ${t}`);if(t==="string"&&n.dtype!=="string"||t!=="string"&&n.dtype==="string")throw new Error("Only strings can be casted to strings");let a={x:n},r={dtype:t};return L.runKernel(Si,a,r)}var le=z({cast_:gR});function yR(e){let t={x:E(e,"x","clone","string_or_numeric")};return L.runKernel(zi,t)}var or=z({clone_:yR});function Gx(e,t=!1){console.log(e.toString(t))}KI();var bR={buffer:Le,cast:le,clone:or,print:Gx};ED(bR);var Nn={};Fe(Nn,{browserFiles:()=>NR,browserHTTPRequest:()=>AR,concatenateArrayBuffers:()=>Vx,copyModel:()=>cR,decodeWeights:()=>JI,encodeWeights:()=>BD,fromMemory:()=>FR,fromMemorySync:()=>pS,getLoadHandlers:()=>JD,getModelArtifactsForJSON:()=>Ux,getModelArtifactsInfoForJSON:()=>Oc,getSaveHandlers:()=>YD,http:()=>jx,isHTTPScheme:()=>Hb,listModels:()=>uR,loadWeights:()=>TR,moveModel:()=>dR,registerLoadRouter:()=>XD,registerSaveRouter:()=>KD,removeModel:()=>pR,weightsLoaderFactory:()=>oS,withSaveHandler:()=>DR,withSaveHandlerSync:()=>RR});var xR="model",vR=".json",wR=".weights.bin";function ok(e){return new Promise(t=>setTimeout(t)).then(e)}var dl=class{constructor(e){if(!X().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");e.startsWith(dl.URL_SCHEME)&&(e=e.slice(dl.URL_SCHEME.length)),(e==null||e.length===0)&&(e=xR),this.modelJsonFileName=e+vR,this.weightDataFileName=e+wR}async save(e){if(typeof document=="undefined")throw new Error("Browser downloads are not supported in this environment since `document` is not present");let t=window.URL.createObjectURL(new Blob([e.weightData],{type:"application/octet-stream"}));if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");{let n=[{paths:["./"+this.weightDataFileName],weights:e.weightSpecs}],a=ZI(e,n),r=window.URL.createObjectURL(new Blob([JSON.stringify(a)],{type:"application/json"})),s=this.modelJsonAnchor==null?document.createElement("a"):this.modelJsonAnchor;if(s.download=this.modelJsonFileName,s.href=r,await ok(()=>s.dispatchEvent(new MouseEvent("click"))),e.weightData!=null){let i=this.weightDataAnchor==null?document.createElement("a"):this.weightDataAnchor;i.download=this.weightDataFileName,i.href=t,await ok(()=>i.dispatchEvent(new MouseEvent("click")))}return{modelArtifactsInfo:Oc(e)}}}};dl.URL_SCHEME="downloads://";var kR=class{constructor(e){if(e==null||e.length<1)throw new Error(`When calling browserFiles, at least 1 file is required, but received ${e}`);this.jsonFile=e[0],this.weightsFiles=e.slice(1)}async load(){return new Promise((e,t)=>{let n=new FileReader;n.onload=a=>{let r=JSON.parse(a.target.result),s=r.modelTopology;if(s==null){t(new Error(`modelTopology field is missing from file ${this.jsonFile.name}`));return}if(r.weightsManifest==null){t(new Error(`weightManifest field is missing from file ${this.jsonFile.name}`));return}if(this.weightsFiles.length===0){e({modelTopology:s});return}let i=Ux(r,o=>this.loadWeights(o));e(i)},n.onerror=a=>t(`Failed to read model topology and weights manifest JSON from file '${this.jsonFile.name}'. BrowserFiles supports loading Keras-style tf.Model artifacts only.`),n.readAsText(this.jsonFile)})}loadWeights(e){let t=[],n=[];for(let s of e)t.push(...s.weights),n.push(...s.paths);let a=this.checkManifestAndWeightFiles(e),r=n.map(s=>this.loadWeightsFile(s,a[s]));return Promise.all(r).then(s=>[t,Vx(s)])}loadWeightsFile(e,t){return new Promise((n,a)=>{let r=new FileReader;r.onload=s=>{let i=s.target.result;n(i)},r.onerror=s=>a(`Failed to weights data from file of path '${e}'.`),r.readAsArrayBuffer(t)})}checkManifestAndWeightFiles(e){let t=[],n=this.weightsFiles.map(r=>ik(r.name)),a={};for(let r of e)r.paths.forEach(s=>{let i=ik(s);if(t.indexOf(i)!==-1)throw new Error(`Duplicate file basename found in weights manifest: '${i}'`);if(t.push(i),n.indexOf(i)===-1)throw new Error(`Weight file with basename '${i}' is not provided.`);a[s]=this.weightsFiles[n.indexOf(i)]});if(t.length!==this.weightsFiles.length)throw new Error(`Mismatch in the number of files in weights manifest (${t.length}) and the number of weight files provided (${this.weightsFiles.length}).`);return a}},IR=e=>X().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(dl.URL_SCHEME)?SR(e.slice(dl.URL_SCHEME.length)):null;Ft.registerSaveRouter(IR);function SR(e="model"){return new dl(e)}function NR(e){return new kR(e)}function lk(e,t,n,a){i(e),n=n==null?0:n,a=a==null?1:a,o(n,a);let r=0,s=l=>(l.then(u=>{let p=n+ ++r/e.length*(a-n);return t(p),u}),l);function i(l){R(l!=null&&Array.isArray(l)&&l.length>0,()=>"promises must be a none empty array")}function o(l,u){R(l>=0&&l<=1,()=>`Progress fraction must be in range [0, 1], but got startFraction ${l}`),R(u>=0&&u<=1,()=>`Progress fraction must be in range [0, 1], but got endFraction ${u}`),R(u>=l,()=>`startFraction must be no more than endFraction, but got startFraction ${l} and endFraction ${u}`)}return Promise.all(e.map(s))}async function iS(e,t){t==null&&(t={});let n=t.fetchFunc==null?X().platform.fetch:t.fetchFunc,a=e.map(u=>n(u,t.requestInit,{isBinary:!0})),r=0,s=.5,i=(t.onProgress==null?await Promise.all(a):await lk(a,t.onProgress,r,s)).map(u=>u.arrayBuffer()),o=.5,l=1;return t.onProgress==null?await Promise.all(i):await lk(i,t.onProgress,o,l)}async function TR(e,t="",n,a){return oS(r=>iS(r,{requestInit:a}))(e,t,n)}function oS(e){return async(t,n="",a)=>{let r=t.map(()=>!1),s={},i=a!=null?a.map(()=>!1):[],o=[];if(t.forEach((h,m)=>{let f=0;h.weights.forEach(g=>{let y="quantization"in g?g.quantization.dtype:g.dtype,b=Wb[y]*yt(g.shape),x=()=>{r[m]=!0,s[m]==null&&(s[m]=[]),s[m].push({manifestEntry:g,groupOffset:f,sizeBytes:b})};a!=null?a.forEach((v,I)=>{v===g.name&&(x(),i[I]=!0)}):x(),o.push(g.name),f+=b})}),!i.every(h=>h)){let h=a.filter((m,f)=>!i[f]);throw new Error(`Could not find weights in manifest with names: ${h.join(", ")}. Manifest JSON has weights with names: ${o.join(", ")}.`)}let l=r.reduce((h,m,f)=>(m&&h.push(f),h),[]),u=[];l.forEach(h=>{t[h].paths.forEach(m=>{let f=n+(n.endsWith("/")?"":"/")+m;u.push(f)})});let p=await e(u),d={},c=0;return l.forEach(h=>{let m=t[h].paths.length,f=0;for(let x=0;x{let v=g.slice(x.groupOffset,x.groupOffset+x.sizeBytes),I=JI(v,[x.manifestEntry]);for(let T in I)d[T]=I[T]}),c+=m}),d}}var CR="application/octet-stream",_R="application/json",Hx=class{constructor(e,t){if(this.DEFAULT_METHOD="POST",t==null&&(t={}),this.weightPathPrefix=t.weightPathPrefix,this.onProgress=t.onProgress,this.weightUrlConverter=t.weightUrlConverter,t.fetchFunc!=null?(R(typeof t.fetchFunc=="function",()=>"Must pass a function that matches the signature of `fetch` (see https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)"),this.fetch=t.fetchFunc):this.fetch=X().platform.fetch,R(e!=null&&e.length>0,()=>"URL path for http must not be null, undefined or empty."),Array.isArray(e)&&R(e.length===2,()=>`URL paths for http must have a length of 2, (actual length is ${e.length}).`),this.path=e,t.requestInit!=null&&t.requestInit.body!=null)throw new Error("requestInit is expected to have no pre-existing body, but has one.");this.requestInit=t.requestInit||{}}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserHTTPRequest.save() does not support saving model topology in binary formats yet.");let t=Object.assign({method:this.DEFAULT_METHOD},this.requestInit);t.body=new FormData;let n=[{paths:["./model.weights.bin"],weights:e.weightSpecs}],a=ZI(e,n);t.body.append("model.json",new Blob([JSON.stringify(a)],{type:_R}),"model.json"),e.weightData!=null&&t.body.append("model.weights.bin",new Blob([e.weightData],{type:CR}),"model.weights.bin");let r=await this.fetch(this.path,t);if(r.ok)return{modelArtifactsInfo:Oc(e),responses:[r]};throw new Error(`BrowserHTTPRequest.save() failed due to HTTP response status ${r.status}.`)}async load(){let e=await this.fetch(this.path,this.requestInit);if(!e.ok)throw new Error(`Request to ${this.path} failed with status code ${e.status}. Please verify this URL points to the model JSON of the model to load.`);let t;try{t=await e.json()}catch(r){let s=`Failed to parse model JSON of response from ${this.path}.`;throw this.path.endsWith(".pb")?s+=" Your path contains a .pb file extension. Support for .pb models have been removed in TensorFlow.js 1.0 in favor of .json models. You can re-convert your Python TensorFlow model using the TensorFlow.js 1.0 conversion scripts or you can convert your.pb models with the 'pb2json'NPM script in the tensorflow/tfjs-converter repository.":s+=" Please make sure the server is serving valid JSON for this request.",new Error(s)}let n=t.modelTopology,a=t.weightsManifest;if(n==null&&a==null)throw new Error(`The JSON from HTTP path ${this.path} contains neither model topology or manifest for weights.`);return Ux(t,r=>this.loadWeights(r))}async loadWeights(e){let t=Array.isArray(this.path)?this.path[1]:this.path,[n,a]=ER(t),r=this.weightPathPrefix||n,s=[];for(let u of e)s.push(...u.weights);let i=[],o=[];for(let u of e)for(let p of u.paths)this.weightUrlConverter!=null?o.push(this.weightUrlConverter(p)):i.push(r+p+a);this.weightUrlConverter&&i.push(...await Promise.all(o));let l=await iS(i,{requestInit:this.requestInit,fetchFunc:this.fetch,onProgress:this.onProgress});return[s,Vx(l)]}};Hx.URL_SCHEME_REGEX=/^https?:\/\//;function ER(e){let t=e.lastIndexOf("/"),n=e.lastIndexOf("?"),a=e.substring(0,t),r=n>t?e.substring(n):"";return[a+"/",r]}function Hb(e){return e.match(Hx.URL_SCHEME_REGEX)!=null}var lS=(e,t)=>{if(typeof fetch=="undefined"&&(t==null||t.fetchFunc==null))return null;{let n=!0;if(Array.isArray(e)?n=e.every(a=>Hb(a)):n=Hb(e),n)return jx(e,t)}return null};Ft.registerSaveRouter(lS);Ft.registerLoadRouter(lS);function jx(e,t){return new Hx(e,t)}function AR(e,t){return jx(e,t)}var kb=class{constructor(e){this.modelArtifacts=e}load(){return this.modelArtifacts}},uS=class{constructor(e){this.saveHandler=e}save(e){return this.saveHandler(e)}},$R=class{constructor(e){e.load&&(this.load=()=>Promise.resolve(e.load())),e.save&&(this.save=t=>Promise.resolve(e.save(t)))}};function FR(e,t,n,a){let r=arguments;return new $R(pS(...r))}function pS(e,t,n,a){return arguments.length===1?e.modelTopology!=null||e.weightSpecs!=null?new kb(e):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new kb({modelTopology:e})):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new kb({modelTopology:e,weightSpecs:t,weightData:n,trainingConfig:a}))}function DR(e){return new uS(e)}function RR(e){return new uS(e)}var cS={};Fe(cS,{confusionMatrix:()=>tM});function MR(e,t,n=!1,a=!1){let r=E(e,"a","matMul"),s=E(t,"b","matMul");[r,s]=At(r,s);let i={a:r,b:s},o={transposeA:n,transposeB:a};return L.runKernel(Ii,i,o)}var Re=z({matMul_:MR});function PR(e,t,n=1,a=0){if(t<2)throw new Error(`Error in oneHot: depth must be >=2, but it is ${t}`);let r={indices:E(e,"indices","oneHot","int32")},s={depth:t,onValue:n,offValue:a};return L.runKernel(Yi,r,s)}var hl=z({oneHot_:PR});function OR(){X().set("PROD",!0)}function LR(){X().set("DEBUG",!0)}function zR(){X().set("DEPRECATION_WARNINGS_ENABLED",!1),console.warn("TensorFlow.js deprecation warnings have been disabled.")}function qx(e){X().getBool("DEPRECATION_WARNINGS_ENABLED")&&console.warn(e+" You can disable deprecation warnings with tf.disableDeprecationWarnings().")}AD(qx);function BR(){L.disposeVariables()}function ar(){return L}function Wh(){return L.memory()}function WR(e){return L.profile(e)}function O(e,t){return L.tidy(e,t)}function Me(e){zx(e).forEach(t=>t.dispose())}function Qt(e){return L.keep(e)}function VR(e){return L.time(e)}function UR(e){return L.setBackend(e)}function GR(){return L.ready()}function HR(){return L.backendName}function jR(e){L.removeBackend(e)}function qR(e){return L.findBackend(e)}function KR(e){return L.findBackendFactory(e)}function Gm(e,t,n=1){return L.registerBackend(e,t,n)}function dS(){return L.backend}function XR(e,t){X().setPlatform(e,t)}function YR(e){let t={input:E(e,"input","imag")};return L.runKernel(Em,t)}var Lc=z({imag_:YR});function JR(e){let t={x:E(e,"x","neg")};return L.runKernel(lu,t)}var vt=z({neg_:JR});function ZR(e){let t={input:E(e,"input","real")};return L.runKernel(Pm,t)}var ml=z({real_:ZR});function QR(e,t,n){let a=E(e,"x","transpose");if(t==null&&(t=a.shape.map((i,o)=>o).reverse()),R(a.rank===t.length,()=>`Error in transpose: rank of input ${a.rank} must match length of perm ${t}.`),t.forEach(i=>{R(i>=0&&i`All entries in 'perm' must be between 0 and ${a.rank-1} but got ${t}`)}),a.rank<=1)return a.clone();let r={x:a},s={perm:t};return a.dtype==="complex64"?O(()=>{let i=ml(a),o=Lc(a);return i=L.runKernel(Tr,{x:i},s),o=L.runKernel(Tr,{x:o},s),n&&(o=vt(o)),_r(i,o)}):L.runKernel(Tr,r,s)}var $e=z({transpose_:QR});function eM(e,t,n){let a=E(e,"labels","confusionMatrix"),r=E(t,"predictions","confusionMatrix");R(n==null||n>0&&Number.isInteger(n),()=>`If provided, numClasses must be a positive integer, but got ${n}`),R(a.rank===1,()=>`Expected the rank of labels to be 1, but got ${a.rank}`),R(r.rank===1,()=>`Expected the rank of predictions to be 1, but got ${r.rank}`),R(a.shape[0]===r.shape[0],()=>`Mismatch in the number of examples: ${a.shape[0]} vs. ${r.shape[0]}. Labels and predictions should have the same number of elements.`),R(n>0&&Number.isInteger(n),()=>`numClasses is required to be a positive integer, but got ${n}`);let s=hl(le(a,"int32"),n),i=hl(le(r,"int32"),n),o=$e(s),l=Re(o,i);return le(l,"int32")}var tM=z({confusionMatrix_:eM}),Du={};Fe(Du,{assertAndGetBroadcastShape:()=>pt,getBroadcastDims:()=>hS,getReductionAxes:()=>Bt});function hS(e,t){let n=e.length,a=[];for(let r=0;r1&&i===1&&a.unshift(s)}return a}function Bt(e,t){let n=[];for(let a=0;a1)&&n.unshift(s)}return n}function pt(e,t){let n=[],a=Math.max(e.length,t.length);for(let r=0;rlM,fromPixelsAsync:()=>iM,toPixels:()=>oM});function zc(e,t,n){if(xi(e),t!=null&&t.length!==3)throw new Error("tensor3d() requires shape to have three numbers");let a=ur(e,n);if(a.length!==3&&a.length!==1)throw new Error("tensor3d() requires values to be number[][][] or flat/TypedArray");if(a.length===1&&t==null)throw new Error("tensor3d() requires shape to be provided when `values` are a flat array");return gs(e,t,a,n)}var Us;function mS(e,t=3){if(t>4)throw new Error("Cannot construct Tensor with more than 4 channels from pixels.");if(e==null)throw new Error("pixels passed to tf.browser.fromPixels() can not be null");let n=!1,a=!1,r=!1,s=!1,i=!1,o=!1;if(e.data instanceof Uint8Array)n=!0;else if(typeof ImageData!="undefined"&&e instanceof ImageData)a=!0;else if(typeof HTMLVideoElement!="undefined"&&e instanceof HTMLVideoElement)r=!0;else if(typeof HTMLImageElement!="undefined"&&e instanceof HTMLImageElement)s=!0;else if(e.getContext!=null)i=!0;else if(typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap)o=!0;else throw new Error(`pixels passed to tf.browser.fromPixels() must be either an HTMLVideoElement, HTMLImageElement, HTMLCanvasElement, ImageData in browser, or OffscreenCanvas, ImageData in webworker or {data: Uint32Array, width: number, height: number}, but was ${e.constructor.name}`);if(r&&r&&e.readyState<2)throw new Error("The video element has not loaded data yet. Please wait for `loadeddata` event on the