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v=this._X,I=this._C,x=0;x<8;x++)g[x]=I[x];I[0]=I[0]+1295307597+this._b|0,I[1]=I[1]+3545052371+(I[0]>>>0<g[0]>>>0?1:0)|0,I[2]=I[2]+886263092+(I[1]>>>0<g[1]>>>0?1:0)|0,I[3]=I[3]+1295307597+(I[2]>>>0<g[2]>>>0?1:0)|0,I[4]=I[4]+3545052371+(I[3]>>>0<g[3]>>>0?1:0)|0,I[5]=I[5]+886263092+(I[4]>>>0<g[4]>>>0?1:0)|0,I[6]=I[6]+1295307597+(I[5]>>>0<g[5]>>>0?1:0)|0,I[7]=I[7]+3545052371+(I[6]>>>0<g[6]>>>0?1:0)|0,this._b=I[7]>>>0<g[7]>>>0?1:0;for(var x=0;x<8;x++){var S=v[x]+I[x],W=S&65535,B=S>>>16,Q=((W*W>>>17)+W*B>>>15)+B*B,G=((S&4294901760)*S|0)+((S&65535)*S|0);h[x]=Q^G}v[0]=h[0]+(h[7]<<16|h[7]>>>16)+(h[6]<<16|h[6]>>>16)|0,v[1]=h[1]+(h[0]<<8|h[0]>>>24)+h[7]|0,v[2]=h[2]+(h[1]<<16|h[1]>>>16)+(h[0]<<16|h[0]>>>16)|0,v[3]=h[3]+(h[2]<<8|h[2]>>>24)+h[1]|0,v[4]=h[4]+(h[3]<<16|h[3]>>>16)+(h[2]<<16|h[2]>>>16)|0,v[5]=h[5]+(h[4]<<8|h[4]>>>24)+h[3]|0,v[6]=h[6]+(h[5]<<16|h[5]>>>16)+(h[4]<<16|h[4]>>>16)|0,v[7]=h[7]+(h[6]<<8|h[6]>>>24)+h[5]|0}d.Rabbit=M._createHelper(b)}(),y.Rabbit})},ELcG:function(l,V,N){(function(y,d){l.exports=V=d(N("Ib8C"))})(this,function(y){/** @preserve
(c) 2012 by Cédric Mesnil. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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F=y,M=F.lib,D=M.WordArray,E=M.Hasher,g=F.algo,h=D.create([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13]),b=D.create([5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11]),p=D.create([11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6]),v=D.create([8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]),I=D.create([0,1518500249,1859775393,2400959708,2840853838]),x=D.create([1352829926,1548603684,1836072691,2053994217,0]),S=g.RIPEMD160=E.extend({_doReset:function(){this._hash=D.create([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(U,L){for(var 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U=this._data,L=U.words,T=this._nDataBytes*8,ee=U.sigBytes*8;L[ee>>>5]|=128<<24-ee%32,L[(ee+64>>>9<<4)+14]=(T<<8|T>>>24)&16711935|(T<<24|T>>>8)&4278255360,U.sigBytes=(L.length+1)*4,this._process();for(var Z=this._hash,_=Z.words,X=0;X<5;X++){var re=_[X];_[X]=(re<<8|re>>>24)&16711935|(re<<24|re>>>8)&4278255360}return Z},clone:function(){var U=E.clone.call(this);return U._hash=this._hash.clone(),U}});function W(U,L,T){return U^L^T}function B(U,L,T){return U&L|~U&T}function Q(U,L,T){return(U|~L)^T}function G(U,L,T){return U&T|L&~T}function $(U,L,T){return U^(L|~T)}function J(U,L){return U<<L|U>>>32-L}F.RIPEMD160=E._createHelper(S),F.HmacRIPEMD160=E._createHmacHelper(S)}(Math),y.RIPEMD160})},ETIr:function(l,V,N){(function(y,d){l.exports=V=d(N("Ib8C"))})(this,function(y){return function(){var d=y,F=d.lib,M=F.WordArray,D=d.enc,E=D.Base64={stringify:function(h){var b=h.words,p=h.sigBytes,v=this._map;h.clamp();for(var I=[],x=0;x<p;x+=3)for(var S=b[x>>>2]>>>24-x%4*8&255,W=b[x+1>>>2]>>>24-(x+1)%4*8&255,B=b[x+2>>>2]>>>24-(x+2)%4*8&255,Q=S<<16|W<<8|B,G=0;G<4&&x+G*.75<p;G++)I.push(v.charAt(Q>>>6*(3-G)&63));var $=v.charAt(64);if($)for(;I.length%4;)I.push($);return I.join("")},parse:function(h){var b=h.length,p=this._map,v=this._reverseMap;if(!v){v=this._reverseMap=[];for(var I=0;I<p.length;I++)v[p.charCodeAt(I)]=I}var x=p.charAt(64);if(x){var S=h.indexOf(x);S!==-1&&(b=S)}return g(h,b,v)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="};function g(h,b,p){for(var v=[],I=0,x=0;x<b;x++)if(x%4){var S=p[h.charCodeAt(x-1)]<<x%4*2,W=p[h.charCodeAt(x)]>>>6-x%4*2,B=S|W;v[I>>>2]|=B<<24-I%4*8,I++}return M.create(v,I)}}(),y.enc.Base64})},"F+F2":function(l,V,N){(function(y,d){l.exports=V=d(N("Ib8C"))})(this,function(y){return function(){if(typeof ArrayBuffer!="function")return;var d=y,F=d.lib,M=F.WordArray,D=M.init,E=M.init=function(g){if(g instanceof ArrayBuffer&&(g=new Uint8Array(g)),(g instanceof Int8Array||typeof 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* @license
* Copyright 2020 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
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this.throwIfDisposed(),tt.ceil(this)},n.prototype.floor=function(){return this.throwIfDisposed(),tt.floor(this)},n.prototype.sign=function(){return this.throwIfDisposed(),tt.sign(this)},n.prototype.isNaN=function(){return this.throwIfDisposed(),tt.isNaN(this)},n.prototype.isInf=function(){return this.throwIfDisposed(),tt.isInf(this)},n.prototype.isFinite=function(){return this.throwIfDisposed(),tt.isFinite(this)},n.prototype.exp=function(){return this.throwIfDisposed(),tt.exp(this)},n.prototype.expm1=function(){return this.throwIfDisposed(),tt.expm1(this)},n.prototype.log=function(){return this.throwIfDisposed(),tt.log(this)},n.prototype.log1p=function(){return this.throwIfDisposed(),tt.log1p(this)},n.prototype.sqrt=function(){return this.throwIfDisposed(),tt.sqrt(this)},n.prototype.rsqrt=function(){return this.throwIfDisposed(),tt.rsqrt(this)},n.prototype.square=function(){return this.throwIfDisposed(),tt.square(this)},n.prototype.reciprocal=function(){return this.throwIfDisposed(),tt.reciprocal(this)},n.prototype.abs=function(){return this.throwIfDisposed(),tt.abs(this)},n.prototype.clipByValue=function(r,e){return this.throwIfDisposed(),tt.clipByValue(this,r,e)},n.prototype.relu=function(){return this.throwIfDisposed(),tt.relu(this)},n.prototype.relu6=function(){return this.throwIfDisposed(),tt.relu6(this)},n.prototype.elu=function(){return this.throwIfDisposed(),tt.elu(this)},n.prototype.selu=function(){return this.throwIfDisposed(),tt.selu(this)},n.prototype.leakyRelu=function(r){return r===void 0&&(r=.2),this.throwIfDisposed(),tt.leakyRelu(this,r)},n.prototype.prelu=function(r){return this.throwIfDisposed(),tt.prelu(this,r)},n.prototype.sigmoid=function(){return this.throwIfDisposed(),tt.sigmoid(this)},n.prototype.logSigmoid=function(){return this.throwIfDisposed(),tt.logSigmoid(this)},n.prototype.softplus=function(){return this.throwIfDisposed(),tt.softplus(this)},n.prototype.zerosLike=function(){return this.throwIfDisposed(),tt.zerosLike(this)},n.prototype.onesLike=function(){return this.throwIfDisposed(),tt.onesLike(this)},n.prototype.sin=function(){return this.throwIfDisposed(),tt.sin(this)},n.prototype.cos=function(){return this.throwIfDisposed(),tt.cos(this)},n.prototype.tan=function(){return this.throwIfDisposed(),tt.tan(this)},n.prototype.asin=function(){return this.throwIfDisposed(),tt.asin(this)},n.prototype.acos=function(){return this.throwIfDisposed(),tt.acos(this)},n.prototype.atan=function(){return this.throwIfDisposed(),tt.atan(this)},n.prototype.sinh=function(){return this.throwIfDisposed(),tt.sinh(this)},n.prototype.cosh=function(){return this.throwIfDisposed(),tt.cosh(this)},n.prototype.tanh=function(){return this.throwIfDisposed(),tt.tanh(this)},n.prototype.asinh=function(){return this.throwIfDisposed(),tt.asinh(this)},n.prototype.acosh=function(){return this.throwIfDisposed(),tt.acosh(this)},n.prototype.atanh=function(){return this.throwIfDisposed(),tt.atanh(this)},n.prototype.erf=function(){return this.throwIfDisposed(),tt.erf(this)},n.prototype.round=function(){return this.throwIfDisposed(),tt.round(this)},n.prototype.step=function(r){return r===void 0&&(r=0),this.throwIfDisposed(),tt.step(this,r)},n.prototype.softmax=function(r){return r===void 0&&(r=-1),this.throwIfDisposed(),tt.softmax(this,r)},n.prototype.logSoftmax=function(r){return r===void 0&&(r=-1),this.throwIfDisposed(),tt.logSoftmax(this,r)},n.prototype.resizeBilinear=function(r,e){return e===void 0&&(e=!1),this.throwIfDisposed(),tt.image.resizeBilinear(this,r,e)},n.prototype.resizeNearestNeighbor=function(r,e){return e===void 0&&(e=!1),this.throwIfDisposed(),tt.image.resizeNearestNeighbor(this,r,e)},n.prototype.conv1d=function(r,e,t,o,a,i){return o===void 0&&(o="NWC"),a===void 0&&(a=1),this.throwIfDisposed(),tt.conv1d(this,r,e,t,o,a,i)},n.prototype.conv2d=function(r,e,t,o,a,i){return o===void 0&&(o="NHWC"),a===void 0&&(a=[1,1]),this.throwIfDisposed(),tt.conv2d(this,r,e,t,o,a,i)},n.prototype.conv2dTranspose=function(r,e,t,o,a){return this.throwIfDisposed(),tt.conv2dTranspose(this,r,e,t,o,a)},n.prototype.depthwiseConv2D=function(r,e,t,o,a,i){return o===void 0&&(o="NHWC"),a===void 0&&(a=[1,1]),this.throwIfDisposed(),tt.depthwiseConv2d(this,r,e,t,o,a,i)},n.prototype.separableConv2d=function(r,e,t,o,a,i){return a===void 0&&(a=[1,1]),i===void 0&&(i="NHWC"),this.throwIfDisposed(),tt.separableConv2d(this,r,e,t,o,a,i)},n.prototype.avgPool=function(r,e,t,o){return this.throwIfDisposed(),tt.avgPool(this,r,e,t,o)},n.prototype.maxPool=function(r,e,t,o){return this.throwIfDisposed(),tt.maxPool(this,r,e,t,o)},n.prototype.localResponseNormalization=function(r,e,t,o){return r===void 0&&(r=5),e===void 0&&(e=1),t===void 0&&(t=1),o===void 0&&(o=.5),tt.localResponseNormalization(this,r,e,t,o)},n.prototype.pool=function(r,e,t,o,a){return this.throwIfDisposed(),tt.pool(this,r,e,t,o,a)},n.prototype.variable=function(r,e,t){return r===void 0&&(r=!0),this.throwIfDisposed(),Ar().makeVariable(this,r,e,t)},n.prototype.unsortedSegmentSum=function(r,e){return this.throwIfDisposed(),tt.unsortedSegmentSum(this,r,e)},n.prototype.batchToSpaceND=function(r,e){return this.throwIfDisposed(),tt.batchToSpaceND(this,r,e)},n.prototype.spaceToBatchND=function(r,e){return this.throwIfDisposed(),tt.spaceToBatchND(this,r,e)},n.prototype.topk=function(r,e){return r===void 0&&(r=1),e===void 0&&(e=!0),this.throwIfDisposed(),tt.topk(this,r,e)},n.prototype.stridedSlice=function(r,e,t,o,a,i,s,u){return o===void 0&&(o=0),a===void 0&&(a=0),i===void 0&&(i=0),s===void 0&&(s=0),u===void 0&&(u=0),this.throwIfDisposed(),tt.stridedSlice(this,r,e,t,o,a,i,s,u)},n.prototype.depthToSpace=function(r,e){return this.throwIfDisposed(),tt.depthToSpace(this,r,e)},n.prototype.fft=function(){return this.throwIfDisposed(),tt.spectral.fft(this)},n.prototype.ifft=function(){return this.throwIfDisposed(),tt.spectral.ifft(this)},n.prototype.rfft=function(){return this.throwIfDisposed(),tt.spectral.rfft(this)},n.prototype.irfft=function(){return this.throwIfDisposed(),tt.spectral.irfft(this)},n}();Object.defineProperty(Dr,Symbol.hasInstance,{value:function(n){return!!n&&n.dataId!=null&&n.shape!=null&&n.dtype!=null}});var Do,Kn,co,Cr,lo,_n=function(n){function r(e,t,o,a){var i=n.call(this,e.shape,e.dtype,e.dataId,a)||this;return i.trainable=t,i.name=o,i}return D(r,n),r.prototype.assign=function(e){if(e.dtype!==this.dtype)throw new Error("dtype of the new value ("+e.dtype+") and previous value ("+this.dtype+") must match");if(!we(e.shape,this.shape))throw new Error("shape of the new value ("+e.shape+") and previous value ("+this.shape+") must match");Ar().disposeTensor(this),this.dataId=e.dataId,Ar().incRef(this,null)},r.prototype.dispose=function(){Ar().disposeVariable(this),this.isDisposedInternal=!0},r}(Dr);Object.defineProperty(_n,Symbol.hasInstance,{value:function(n){return n instanceof Dr&&n.assign!=null&&n.assign instanceof Function}}),function(n){n.R0="R0",n.R1="R1",n.R2="R2",n.R3="R3",n.R4="R4",n.R5="R5",n.R6="R6"}(Do||(Do={})),function(n){n.float32="float32",n.int32="int32",n.bool="int32",n.complex64="complex64"}(Kn||(Kn={})),function(n){n.float32="float32",n.int32="int32",n.bool="bool",n.complex64="complex64"}(co||(co={})),function(n){n.float32="float32",n.int32="float32",n.bool="float32",n.complex64="complex64"}(Cr||(Cr={})),function(n){n.float32="complex64",n.int32="complex64",n.bool="complex64",n.complex64="complex64"}(lo||(lo={}));var fo={float32:Cr,int32:Kn,bool:co,complex64:lo};function nr(n,r){if(n==="string"||r==="string"){if(n==="string"&&r==="string")return"string";throw new Error("Can not upcast "+n+" with "+r)}return fo[n][r]}function hr(n){return nr(n,"int32")}function cr(n,r){if(n.dtype===r.dtype)return[n,r];var e=nr(n.dtype,r.dtype);return[n.cast(e),r.cast(e)]}function nn(n,r){_(n.dtype===r.dtype,function(){return"The dtypes of the first("+n.dtype+") and second("+r.dtype+") input must match"})}function cn(n){var r=[];return function e(t,o,a){if(t==null)return;if(t instanceof Dr)return void o.push(t);if(i=t,!Array.isArray(i)&&typeof i!="object")return;var i,s=t;for(var u in s){var f=s[u];a.has(f)||(a.add(f),e(f,o,a))}}(n,r,new Set),r}var ko,Ti=Object.freeze({makeTypesMatch:cr,assertTypesMatch:nn,isTensorInList:function(n,r){return r.some(function(e){return e.id===n.id})},getTensorsInContainer:cn}),Wa=function(){function n(){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}}return n.prototype.dispose=function(){for(var r in this.registeredVariables)this.registeredVariables[r].dispose()},n}(),Si=function(){function n(r){this.ENV=r,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new Wa}return n.prototype.ready=function(){return E(this,void 0,void 0,function(){var r,e,t;return g(this,function(o){switch(o.label){case 0:if(this.pendingBackendInit!=null)return[2,this.pendingBackendInit.then(function(){})];if(this.backendInstance!=null)return[2];r=this.getSortedBackends(),e=0,o.label=1;case 1:return e<r.length?(t=r[e],[4,this.initializeBackend(t).success]):[3,5];case 2:return o.sent()?[4,this.setBackend(t)]:[3,4];case 3:return o.sent(),[2];case 4:return e++,[3,1];case 5:throw new Error("Could not initialize any backends, all backend initializations failed.")}})})},Object.defineProperty(n.prototype,"backend",{get:function(){if(this.pendingBackendInit!=null)throw new Error("Backend '"+this.backendName+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");if(this.backendInstance==null){var r=this.initializeBackendsAndReturnBest(),e=r.name;if(r.asyncInit)throw new Error("The highest priority backend '"+e+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");this.setBackend(e)}return this.backendInstance},enumerable:!0,configurable:!0}),n.prototype.backendNames=function(){return Object.keys(this.registryFactory)},n.prototype.findBackend=function(r){if(!(r in this.registry)){if(!(r in this.registryFactory))return null;if(this.initializeBackend(r).asyncInit)return null}return this.registry[r]},n.prototype.findBackendFactory=function(r){return r in this.registryFactory?this.registryFactory[r].factory:null},n.prototype.registerBackend=function(r,e,t){return t===void 0&&(t=1),r in this.registryFactory?(console.warn(r+" backend was already registered. Reusing existing backend factory."),!1):(this.registryFactory[r]={factory:e,priority:t},!0)},n.prototype.setBackend=function(r){return E(this,void 0,void 0,function(){var e,t,o;return g(this,function(a){switch(a.label){case 0:if(this.registryFactory[r]==null)throw new Error("Backend name '"+r+"' not found in registry");return this.backendName=r,this.registry[r]!=null?[3,4]:(this.backendInstance=null,e=this.initializeBackend(r),t=e.success,e.asyncInit?[4,t]:[3,2]);case 1:return o=a.sent(),[3,3];case 2:o=t,a.label=3;case 3:if(!o)return[2,!1];a.label=4;case 4:return this.backendInstance=this.registry[r],this.setupRegisteredKernels(),this.profiler=new ft(this.backendInstance),[2,!0]}})})},n.prototype.setupRegisteredKernels=function(){var r=this;B(this.backendName).forEach(function(e){e.setupFunc!=null&&e.setupFunc(r.backendInstance)})},n.prototype.disposeRegisteredKernels=function(r){var e=this;B(r).forEach(function(t){t.disposeFunc!=null&&t.disposeFunc(e.registry[r])})},n.prototype.initializeBackend=function(r){var e=this,t=this.registryFactory[r];if(t==null)throw new Error("Cannot initialize backend "+r+", no registration found.");try{var o=t.factory();if(Promise.resolve(o)===o){var a=++this.pendingBackendInitId,i=o.then(function(s){return!(a<e.pendingBackendInitId)&&(e.registry[r]=s,e.pendingBackendInit=null,!0)}).catch(function(s){return!(a<e.pendingBackendInitId)&&(e.pendingBackendInit=null,console.warn("Initialization of backend "+r+" failed"),console.warn(s.stack||s.message),!1)});return this.pendingBackendInit=i,{success:i,asyncInit:!0}}return this.registry[r]=o,{success:!0,asyncInit:!1}}catch(s){return console.warn("Initialization of backend "+r+" failed"),console.warn(s.stack||s.message),{success:!1,asyncInit:!1}}},n.prototype.removeBackend=function(r){if(!(r in this.registryFactory))throw new Error(r+" backend not found in registry");this.backendName===r&&this.pendingBackendInit!=null&&this.pendingBackendInitId++,r in this.registry&&(this.disposeRegisteredKernels(r),this.registry[r].dispose(),delete this.registry[r]),delete this.registryFactory[r],this.backendName===r&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null)},n.prototype.getSortedBackends=function(){var r=this;if(Object.keys(this.registryFactory).length===0)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort(function(e,t){return r.registryFactory[t].priority-r.registryFactory[e].priority})},n.prototype.initializeBackendsAndReturnBest=function(){for(var r=this.getSortedBackends(),e=0;e<r.length;e++){var t=r[e],o=this.initializeBackend(t),a=o.success,i=o.asyncInit;if(i||a)return{name:t,asyncInit:i}}throw new Error("Could not initialize any backends, all backend initializations failed.")},n.prototype.moveData=function(r,e){var t=this.state.tensorInfo.get(e),o=t.backend,a=this.readSync(e);o.disposeData(e),t.backend=r,r.move(e,a,t.shape,t.dtype),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++},n.prototype.tidy=function(r,e){var t,o=this,a=null;if(e==null){if(typeof r!="function")throw new Error("Please provide a function to tidy()");e=r}else{if(typeof r!="string"&&!(r instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if(typeof e!="function")throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");a=r}return this.scopedRun(function(){return o.startScope(a)},function(){return o.endScope(t)},function(){return(t=e())instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),t})},n.prototype.scopedRun=function(r,e,t){r();try{var o=t();return e(),o}catch(a){throw e(),a}},n.prototype.nextTensorId=function(){return n.nextTensorId++},n.prototype.nextVariableId=function(){return n.nextVariableId++},n.prototype.clone=function(r){var e=this.makeTensorFromDataId(r.dataId,r.shape,r.dtype),t={x:r};return this.addTapeNode(this.state.activeScope.name,t,[e],function(o){return{x:function(){return o.toFloat()}}},[]),e},n.prototype.runKernel=function(r,e,t,o,a){return this.runKernelFunc(null,e,null,r,t,o,a)},n.prototype.shouldCheckForMemLeaks=function(){return this.ENV.getBool("IS_TEST")},n.prototype.checkKernelForMemLeak=function(r,e,t){var o=this.backend.numDataIds(),a=0;t.forEach(function(u){a+=u.dtype==="complex64"?3:1});var i=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],s=o-e-a-i;if(s>0)throw new Error("Backend '"+this.backendName+"' has an internal memory leak ("+s+" data ids) after running '"+r+"'")},n.prototype.runKernelFunc=function(r,e,t,o,a,i,s){var u,f=this;i===void 0&&(i=[]),s===void 0&&(s=[]);var C=[],k=this.isTapeOn();o==null&&(o=this.state.activeScope!=null?this.state.activeScope.name:"");var j,Y=function(xe){k&&(C=xe.map(function(Ee){return f.keep(f.clone(Ee))}))},ne=this.state.numBytes,ce=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);var se,le=S(o,this.backendName);return j=le!=null?function(){var xe=f.backend.numDataIds();se=le.kernelFunc({inputs:e,attrs:a,backend:f.backend});var Ee=Array.isArray(se)?se:[se];f.shouldCheckForMemLeaks()&&f.checkKernelForMemLeak(o,xe,Ee);var _e=Ee.map(function(Me){var He=Me.dataId,Be=Me.shape,Le=Me.dtype;return f.makeTensorFromDataId(He,Be,Le)}),Te=_e.filter(function(Me,He){return s[He]});return Y((i||[]).slice().concat(Te)),_e}:function(){var xe=f.backend.numDataIds();se=f.tidy(function(){return r(f.backend,Y)});var Ee=Array.isArray(se)?se:[se];return f.shouldCheckForMemLeaks()&&f.checkKernelForMemLeak(o,xe,Ee),Ee},this.scopedRun(function(){return f.state.kernelDepth++},function(){return f.state.kernelDepth--},function(){u=f.ENV.getBool("DEBUG")?f.profiler.profileKernel(o,e,function(){return j()}):j()}),k&&this.addTapeNode(o,e,u,t,C),this.state.profiling&&this.state.activeProfile.kernels.push({name:o,bytesAdded:this.state.numBytes-ne,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-ce,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(e).map(function(xe){return e[xe].shape}),outputShapes:u.map(function(xe){return xe.shape})}),Array.isArray(se)?u:u[0]},n.prototype.makeTensor=function(r,e,t,o){if(r==null)throw new Error("Values passed to engine.makeTensor() are null");t=t||"float32",o=o||this.backend;var a=r;t==="string"&&Pe(r[0])&&(a=r.map(function(C){return Ae(C)}));var i=o.write(a,e,t),s=new Dr(e,t,i,this.nextTensorId());if(this.incRef(s,o),t==="string"){var u=this.state.tensorInfo.get(i),f=Ye(a);this.state.numBytes+=f-u.bytes,u.bytes=f}return s},n.prototype.makeTensorFromDataId=function(r,e,t,o){var a=new Dr(e,t=t||"float32",r,this.nextTensorId());return this.incRef(a,o),a},n.prototype.makeVariable=function(r,e,t,o){e===void 0&&(e=!0),t=t||this.nextVariableId().toString(),o!=null&&o!==r.dtype&&(r=r.asType(o));var a=new _n(r,e,t,this.nextTensorId());if(this.state.registeredVariables[a.name]!=null)throw new Error("Variable with name "+a.name+" was already registered");return this.state.registeredVariables[a.name]=a,this.incRef(a,this.backend),a},n.prototype.incRef=function(r,e){var t=this.state.tensorInfo.has(r.dataId)?this.state.tensorInfo.get(r.dataId).refCount:0;if(this.state.numTensors++,r.dtype==="string"&&this.state.numStringTensors++,t===0){this.state.numDataBuffers++;var o=0;r.dtype!=="complex64"&&r.dtype!=="string"&&(o=r.size*dt(r.dtype)),this.state.tensorInfo.set(r.dataId,{backend:e||this.backend,dtype:r.dtype,shape:r.shape,bytes:o,refCount:0}),this.state.numBytes+=o}this.state.tensorInfo.get(r.dataId).refCount++,r instanceof _n||this.track(r)},n.prototype.disposeTensor=function(r){if(this.state.tensorInfo.has(r.dataId)){this.state.numTensors--,r.dtype==="string"&&this.state.numStringTensors--;var e=this.state.tensorInfo.get(r.dataId);e.refCount<=1?(r.dtype!=="complex64"&&(this.state.numBytes-=e.bytes),this.state.numDataBuffers--,e.backend.disposeData(r.dataId),this.state.tensorInfo.delete(r.dataId)):this.state.tensorInfo.get(r.dataId).refCount--}},n.prototype.disposeVariables=function(){for(var r in this.state.registeredVariables){var e=this.state.registeredVariables[r];this.disposeVariable(e)}},n.prototype.disposeVariable=function(r){this.disposeTensor(r),this.state.registeredVariables[r.name]!=null&&delete this.state.registeredVariables[r.name]},n.prototype.memory=function(){var r=this.backend.memory();return r.numTensors=this.state.numTensors,r.numDataBuffers=this.state.numDataBuffers,r.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(r.unreliable=!0,r.reasons==null&&(r.reasons=[]),r.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),r},n.prototype.profile=function(r){return E(this,void 0,void 0,function(){var e,t;return g(this,function(o){return this.state.profiling=!0,e=this.state.numBytes,t=this.state.numTensors,this.state.activeProfile.kernels=[],this.state.activeProfile.result=r(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max.apply(Math,this.state.activeProfile.kernels.map(function(a){return a.totalBytesSnapshot})),this.state.activeProfile.newBytes=this.state.numBytes-e,this.state.activeProfile.newTensors=this.state.numTensors-t,[2,this.state.activeProfile]})})},n.prototype.isTapeOn=function(){return this.state.gradientDepth>0&&this.state.kernelDepth===0},n.prototype.addTapeNode=function(r,e,t,o,a){var i=this,s={id:this.state.nextTapeNodeId++,kernelName:r,inputs:e,outputs:t,saved:a},u=W(r);u!=null&&(o=u.gradFunc),o!=null&&(s.gradient=function(f){return f=f.map(function(C,k){if(C==null){var j=t[k],Y=R(j.size,j.dtype);return i.makeTensor(Y,j.shape,j.dtype)}return C}),o(f.length>1?f:f[0],a)}),this.state.activeTape.push(s)},n.prototype.keep=function(r){return r.kept=!0,r},n.prototype.startTape=function(){this.state.gradientDepth===0&&(this.state.activeTape=[]),this.state.gradientDepth++},n.prototype.endTape=function(){this.state.gradientDepth--},n.prototype.startScope=function(r){var e={track:[],name:"unnamed scope",id:this.state.nextScopeId++};r&&(e.name=r),this.state.scopeStack.push(e),this.state.activeScope=e},n.prototype.endScope=function(r){for(var e=this,t=cn(r),o=new Set(t.map(function(u){return u.id})),a=0;a<this.state.activeScope.track.length;a++){var i=this.state.activeScope.track[a];i.kept||o.has(i.id)||i.dispose()}var s=this.state.scopeStack.pop();this.state.activeScope=this.state.scopeStack.length===0?null:this.state.scopeStack[this.state.scopeStack.length-1],t.forEach(function(u){u.kept||u.scopeId!==s.id||e.track(u)})},n.prototype.gradients=function(r,e,t,o){var a=this;if(o===void 0&&(o=!1),_(e.length>0,function(){return"gradients() received an empty list of xs."}),t!=null&&t.dtype!=="float32")throw new Error("dy must have 'float32' dtype, but has '"+t.dtype+"'");var i=this.scopedRun(function(){return a.startTape()},function(){return a.endTape()},function(){return a.tidy("forward",r)});_(i instanceof Dr,function(){return"The result y returned by f() must be a tensor."});var s=function(u,f,C){for(var k={},j={},Y=0;Y<f.length;Y++)k[f[Y].id]=!0;for(Y=0;Y<u.length;Y++){var ne=(Me=u[Y]).inputs;for(var ce in ne){for(var se=ne[ce],le=!1,xe=0;xe<f.length;xe++)if(k[se.id]){Me.outputs.forEach(function(Ue){return k[Ue.id]=!0}),le=!0,j[Me.id]=!0;break}if(le)break}}var Ee={};Ee[C.id]=!0;var 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r.map(function(a){o[e]=a;var i=n.slice(t,o);return t[e]+=a,i})}function os(n,r){for(var e=new Array(n.rank),t=0;t<e.length;t++)e[t]=n.shape[t]*r[t];var o=jt(e,n.dtype);for(t=0;t<o.values.length;++t){for(var a=o.indexToLoc(t),i=new Array(n.rank),s=0;s<i.length;s++)i[s]=a[s]%n.shape[s];var u=n.locToIndex(i);o.values[t]=n.values[u]}return o.toTensor()}function as(n,r,e,t,o){for(var a=r[r.length-1],i=[n.length/a,a],s=i[0],u=i[1],f=Se(e,s*t),C=Se("int32",s*t),k=0;k<s;k++){for(var j=k*u,Y=n.subarray(j,j+u),ne=[],ce=0;ce<Y.length;ce++)ne.push({value:Y[ce],index:ce});ne.sort(function(_e,Te){return Te.value-_e.value});var se=k*t,le=f.subarray(se,se+t),xe=C.subarray(se,se+t);for(ce=0;ce<t;ce++)le[ce]=ne[ce].value,xe[ce]=ne[ce].index}var Ee=r.slice();return Ee[Ee.length-1]=t,[Ur(f,Ee,e),Ur(C,Ee,"int32")]}function fi(n,r){for(var e=[],t=0;t<r.length;t++)r[t]&&e.push(t);var o=jt(n,"int32"),a=jt([e.length,n.length],"int32");for(t=0;t<e.length;t++){var i=o.indexToLoc(e[t]),s=t*n.length;a.values.set(i,s)}return a.toTensor()}var ou=function(n,r){this.outputShape=[],this.outputShape=n,this.variableNames=r.map(function(o,a){return"T"+a});var e=[];this.variableNames.forEach(function(o){e.push("float v"+o+" = get"+o+"AtOutCoords();")});var t=this.variableNames.map(function(o){return"v"+o}).join(" + ");this.userCode=`
void main() {
`+e.join(`
`)+`
float result = `+t+`;
setOutput(result);
}
`},dc=function(n,r){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n,this.variableNames=r.map(function(o,a){return"T"+a});var e=[];this.variableNames.forEach(function(o){e.push("vec4 v"+o+" = get"+o+"AtOutCoords();")});var t=this.variableNames.map(function(o){return"v"+o}).join(" + ");this.userCode=`
void main() {
`+e.join(`
`)+`
vec4 result = `+t+`;
setOutput(result);
}
`},fc=function(n,r,e){this.variableNames=["A"];var t=n.windowSize,o=n.batchSize,a=n.inSize,i=Math.ceil(a/t);e||this.variableNames.push("bestIndicesA"),this.outputShape=[o,i];var s=r==="max"?">":"<",u=e?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = outIdx * `+t+`;
int bestIndex = inOffset;
float bestValue = getA(batch, bestIndex);
for (int i = 0; i < `+t+`; i++) {
int inIdx = `+u+`;
float candidate = getA(batch, inIdx);
if (candidate `+s+` bestValue) {
bestValue = candidate;
bestIndex = inIdx;
}
}
setOutput(float(bestIndex));
}
`};function au(n,r){return["x","y","z","w","u","v"].slice(0,r).map(function(e){return n+"."+e})}function en(n,r){return r===1?[n]:au(n,r)}function Kr(){var n,r,e,t,o,a,i,s,u,f;return p().getNumber("WEBGL_VERSION")===2?(n="#version 300 es",r="in",e="out",t="in",o="texture",a="outputColor",i="out vec4 outputColor;",s=`
bool isnan_custom(float val) {
return (val > 0.0 || val < 0.0) ? false : val != 0.0;
}
bvec4 isnan_custom(vec4 val) {
return bvec4(isnan_custom(val.x),
isnan_custom(val.y), isnan_custom(val.z), isnan_custom(val.w));
}
#define isnan(value) isnan_custom(value)
`,u="",f=`
#define round(value) newRound(value)
int newRound(float value) {
return int(floor(value + 0.5));
}
ivec4 newRound(vec4 value) {
return ivec4(floor(value + vec4(0.5)));
}
`):(n="",r="attribute",e="varying",t="varying",o="texture2D",a="gl_FragColor",i="",s=`
#define isnan(value) isnan_custom(value)
bool isnan_custom(float val) {
return (val > 0. || val < 1. || val == 0.) ? false : true;
}
bvec4 isnan_custom(vec4 val) {
return bvec4(isnan(val.x), isnan(val.y), isnan(val.z), isnan(val.w));
}
`,u=`
uniform float INFINITY;
bool isinf(float val) {
return abs(val) == INFINITY;
}
bvec4 isinf(vec4 val) {
return equal(abs(val), vec4(INFINITY));
}
`,f=`
int round(float value) {
return int(floor(value + 0.5));
}
ivec4 round(vec4 value) {
return ivec4(floor(value + vec4(0.5)));
}
`),{version:n,attribute:r,varyingVs:e,varyingFs:t,texture2D:o,output:a,defineOutput:i,defineSpecialNaN:s,defineSpecialInf:u,defineRound:f}}function O(n,r,e){e===void 0&&(e="index");var t=$e(r);return t.map(function(o,a){return"int "+n[a]+" = "+e+" / "+o+"; "+(a===t.length-1?"int "+n[a+1]+" = "+e+" - "+n[a]+" * "+o:"index -= "+n[a]+" * "+o)+";"}).join("")}function w(n){var r=$e(n).map(function(e){return e.toString()});return`
int getFlatIndex(ivec3 coords) {
return coords.x * `+r[0]+" + coords.y * "+r[1]+` + coords.z;
}
`}var A=`
const float FLOAT_MAX = 1.70141184e38;
const float FLOAT_MIN = 1.17549435e-38;
lowp vec4 encode_float(highp float v) {
if (isnan(v)) {
return vec4(255, 255, 255, 255);
}
highp float av = abs(v);
if(av < FLOAT_MIN) {
return vec4(0.0, 0.0, 0.0, 0.0);
} else if(v > FLOAT_MAX) {
return vec4(0.0, 0.0, 128.0, 127.0) / 255.0;
} else if(v < -FLOAT_MAX) {
return vec4(0.0, 0.0, 128.0, 255.0) / 255.0;
}
highp vec4 c = vec4(0,0,0,0);
highp float e = floor(log2(av));
highp float m = exp2(fract(log2(av))) - 1.0;
c[2] = floor(128.0 * m);
m -= c[2] / 128.0;
c[1] = floor(32768.0 * m);
m -= c[1] / 32768.0;
c[0] = floor(8388608.0 * m);
highp float ebias = e + 127.0;
c[3] = floor(ebias / 2.0);
ebias -= c[3] * 2.0;
c[2] += floor(ebias) * 128.0;
c[3] += 128.0 * step(0.0, -v);
return c / 255.0;
}
`;function P(n,r,e,t){var o=[];n.forEach(function(Y){var ne=de(Y.shapeInfo.logicalShape);Y.shapeInfo.isUniform?o.push("uniform float "+Y.name+(ne>1?"["+ne+"]":"")+";"):(o.push("uniform sampler2D "+Y.name+";"),o.push("uniform int offset"+Y.name+";"))});var a,i,s=o.join(`
`),u=n.map(function(Y){return function(ne,ce,se){se===void 0&&(se=!1);var le="";le+=se?oe(ne):K(ne);var xe=ne.shapeInfo.logicalShape,Ee=ce.logicalShape;return xe.length<=Ee.length&&(le+=se?function(_e,Te){var Me,He=_e.name,Be=He.charAt(0).toUpperCase()+He.slice(1),Le="get"+Be+"AtOutCoords",Ue=_e.shapeInfo.logicalShape.length,Ze=Te.logicalShape.length,Je=En(_e.shapeInfo.logicalShape,Te.logicalShape),ht=Ge(Ze),lt=Ze-Ue,ut=["x","y","z","w","u","v"];Me=Ue===0?"":Ze<2&&Je.length>=1?"coords = 0;":Je.map(function(Mt){return"coords."+ut[Mt+lt]+" = 0;"}).join(`
`);var vt="";vt=Ze<2&&Ue>0?"coords":_e.shapeInfo.logicalShape.map(function(Mt,Pt){return"coords."+ut[Pt+lt]}).join(", ");var mt="return outputValue;",ct=de(_e.shapeInfo.logicalShape)===1,xt=de(Te.logicalShape)===1;if(Ue!==1||ct||xt){if(ct&&!xt)mt=Ze===1?`
return vec4(outputValue.x, outputValue.x, 0., 0.);
`:`
return vec4(outputValue.x);
`;else if(Je.length){var wt=Ue-2,Ot=Ue-1;Je.indexOf(wt)>-1&&Je.indexOf(Ot)>-1?mt="return vec4(outputValue.x);":Je.indexOf(wt)>-1?mt="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":Je.indexOf(Ot)>-1&&(mt="return vec4(outputValue.xx, outputValue.zz);")}}else mt=`
return vec4(outputValue.xy, outputValue.xy);
`;return`
vec4 `+Le+`() {
`+ht+` coords = getOutputCoords();
`+Me+`
vec4 outputValue = get`+Be+"("+vt+`);
`+mt+`
}
`}(ne,ce):function(_e,Te){var Me=_e.name,He=Me.charAt(0).toUpperCase()+Me.slice(1),Be="get"+He+"AtOutCoords",Le=Te.texShape,Ue=_e.shapeInfo.texShape,Ze=_e.shapeInfo.logicalShape.length,Je=Te.logicalShape.length;if(!_e.shapeInfo.isUniform&&Ze===Je&&_e.shapeInfo.flatOffset==null&&we(Ue,Le))return`
float `+Be+`() {
return sampleTexture(`+Me+`, resultUV);
}
`;var ht,lt=Ge(Je),ut=En(_e.shapeInfo.logicalShape,Te.logicalShape),vt=Je-Ze,mt=["x","y","z","w","u","v"];ht=Ze===0?"":Je<2&&ut.length>=1?"coords = 0;":ut.map(function(xt){return"coords."+mt[xt+vt]+" = 0;"}).join(`
`);var ct="";return ct=Je<2&&Ze>0?"coords":_e.shapeInfo.logicalShape.map(function(xt,wt){return"coords."+mt[wt+vt]}).join(", "),`
float `+Be+`() {
`+lt+` coords = getOutputCoords();
`+ht+`
return get`+He+"("+ct+`);
}
`}(ne,ce)),le}(Y,r,t)}).join(`
`),f=r.texShape,C=Kr(),k=function(Y){return`
float sampleTexture(sampler2D textureSampler, vec2 uv) {
return `+Y.texture2D+`(textureSampler, uv).r;
}
`}(C),j=function(Y){return Y.version+`
precision highp float;
precision highp int;
precision highp sampler2D;
`+Y.varyingFs+` vec2 resultUV;
`+Y.defineOutput+`
const vec2 halfCR = vec2(0.5, 0.5);
struct ivec5
{
int x;
int y;
int z;
int w;
int u;
};
struct ivec6
{
int x;
int y;
int z;
int w;
int u;
int v;
};
uniform float NAN;
`+Y.defineSpecialNaN+`
`+Y.defineSpecialInf+`
`+Y.defineRound+`
int imod(int x, int y) {
return x - y * (x / y);
}
int idiv(int a, int b, float sign) {
int res = a / b;
int mod = imod(a, b);
if (sign < 0. && mod != 0) {
res -= 1;
}
return res;
}
//Based on the work of Dave Hoskins
//https://www.shadertoy.com/view/4djSRW
#define HASHSCALE1 443.8975
float random(float seed){
vec2 p = resultUV * seed;
vec3 p3 = fract(vec3(p.xyx) * HASHSCALE1);
p3 += dot(p3, p3.yzx + 19.19);
return fract((p3.x + p3.y) * p3.z);
}
`+ve+`
`+fe+`
`+Ce+`
`}(C);return r.isPacked?(a=function(Y,ne){switch(Y.length){case 0:return`
int getOutputCoords() {
return 0;
}
`;case 1:return function(_e,Te){var Me=[Math.ceil(Te[0]/2),Math.ceil(Te[1]/2)];return Me[0]===1?`
int getOutputCoords() {
return 2 * int(resultUV.x * `+Me[1]+`.0);
}
`:Me[1]===1?`
int getOutputCoords() {
return 2 * int(resultUV.y * `+Me[0]+`.0);
}
`:`
int getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+Me[0]+", "+Me[1]+`));
return 2 * (resTexRC.x * `+Me[1]+` + resTexRC.y);
}
`}(0,ne);case 2:return function(_e,Te){var Me=[Math.ceil(Te[0]/2),Math.ceil(Te[1]/2)];if(we(_e,Te))return`
ivec2 getOutputCoords() {
return 2 * ivec2(resultUV.yx * vec2(`+Me[0]+", "+Me[1]+`));
}
`;var He=Math.ceil(_e[1]/2);return`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+Me[0]+", "+Me[1]+`));
int index = resTexRC.x * `+Me[1]+` + resTexRC.y;
int r = 2 * (index / `+He+`);
int c = imod(index, `+He+`) * 2;
return ivec2(r, c);
}
`}(Y,ne);case 3:return ce=Y,se=ne,le=[Math.ceil(se[0]/2),Math.ceil(se[1]/2)],xe=Math.ceil(ce[2]/2),Ee=xe*Math.ceil(ce[1]/2),`
ivec3 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+le[0]+", "+le[1]+`));
int index = resTexRC.x * `+le[1]+` + resTexRC.y;
int b = index / `+Ee+`;
index -= b * `+Ee+`;
int r = 2 * (index / `+xe+`);
int c = imod(index, `+xe+`) * 2;
return ivec3(b, r, c);
}
`;default:return function(_e,Te){for(var Me=[Math.ceil(Te[0]/2),Math.ceil(Te[1]/2)],He=Math.ceil(_e[_e.length-1]/2),Be=He*Math.ceil(_e[_e.length-2]/2),Le=Be,Ue="",Ze="b, r, c",Je=2;Je<_e.length-1;Je++)Le*=_e[_e.length-Je-1],Ue=`
int b`+Je+" = index / "+Le+`;
index -= b`+Je+" * "+Le+`;
`+Ue,Ze="b"+Je+", "+Ze;return`
ivec`+_e.length+` getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+Me[0]+", "+Me[1]+`));
int index = resTexRC.x * `+Me[1]+` + resTexRC.y;
`+Ue+`
int b = index / `+Be+`;
index -= b * `+Be+`;
int r = 2 * (index / `+He+`);
int c = imod(index, `+He+`) * 2;
return ivec`+_e.length+"("+Ze+`);
}
`}(Y,ne)}var ce,se,le,xe,Ee}(r.logicalShape,f),i=function(Y){return`
void setOutput(vec4 val) {
`+Y.output+` = val;
}
`}(C)):(a=function(Y,ne){switch(Y.length){case 0:return`
int getOutputCoords() {
return 0;
}
`;case 1:return function(le,xe){return xe[0]===1?`
int getOutputCoords() {
return int(resultUV.x * `+xe[1]+`.0);
}
`:xe[1]===1?`
int getOutputCoords() {
return int(resultUV.y * `+xe[0]+`.0);
}
`:`
int getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+xe[0]+", "+xe[1]+`));
return resTexRC.x * `+xe[1]+` + resTexRC.y;
}
`}(0,ne);case 2:return function(le,xe){return we(le,xe)?`
ivec2 getOutputCoords() {
return ivec2(resultUV.yx * vec2(`+xe[0]+", "+xe[1]+`));
}
`:le[1]===1?`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+xe[0]+", "+xe[1]+`));
int index = resTexRC.x * `+xe[1]+` + resTexRC.y;
return ivec2(index, 0);
}
`:le[0]===1?`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+xe[0]+", "+xe[1]+`));
int index = resTexRC.x * `+xe[1]+` + resTexRC.y;
return ivec2(0, index);
}
`:`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+xe[0]+", "+xe[1]+`));
int index = resTexRC.x * `+xe[1]+` + resTexRC.y;
int r = index / `+le[1]+`;
int c = index - r * `+le[1]+`;
return ivec2(r, c);
}
`}(Y,ne);case 3:return ce=ne,se=O(["r","c","d"],Y),`
ivec3 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+ce[0]+", "+ce[1]+`));
int index = resTexRC.x * `+ce[1]+` + resTexRC.y;
`+se+`
return ivec3(r, c, d);
}
`;case 4:return function(le,xe){var Ee=O(["r","c","d","d2"],le);return`
ivec4 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+xe[0]+", "+xe[1]+`));
int index = resTexRC.x * `+xe[1]+` + resTexRC.y;
`+Ee+`
return ivec4(r, c, d, d2);
}
`}(Y,ne);case 5:return function(le,xe){var Ee=O(["r","c","d","d2","d3"],le);return`
ivec5 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx * vec2(`+xe[0]+`,
`+xe[1]+`));
int index = resTexRC.x * `+xe[1]+` + resTexRC.y;
`+Ee+`
ivec5 outShape = ivec5(r, c, d, d2, d3);
return outShape;
}
`}(Y,ne);case 6:return function(le,xe){var Ee=O(["r","c","d","d2","d3","d4"],le);return`
ivec6 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+xe[0]+", "+xe[1]+`));
int index = resTexRC.x * `+xe[1]+` + resTexRC.y;
`+Ee+`
ivec6 result = ivec6(r, c, d, d2, d3, d4);
return result;
}
`}(Y,ne);default:throw new Error(Y.length+"-D output sampling is not yet supported")}var ce,se}(r.logicalShape,f),i=function(Y){return`
void setOutput(float val) {
`+Y.output+` = vec4(val, 0, 0, 0);
}
`}(C)),t&&(j+=Ie),[j,k,i,s,a,u,e].join(`
`)}function K(n){var r=n.shapeInfo.logicalShape;switch(r.length){case 0:return function(e){var t=e.name,o="get"+t.charAt(0).toUpperCase()+t.slice(1);if(e.shapeInfo.isUniform)return"float "+o+"() {return "+t+";}";var a=e.shapeInfo.texShape,i=a[0],s=a[1];if(i===1&&s===1)return`
float `+o+`() {
return sampleTexture(`+t+`, halfCR);
}
`;var u=e.shapeInfo.texShape,f=u[0],C=u[1],k=Ne(t);return`
float `+o+`() {
vec2 uv = uvFromFlat(`+f+", "+C+", "+k+`);
return sampleTexture(`+t+`, uv);
}
`}(n);case 1:return function(e){var t=e.name,o="get"+t.charAt(0).toUpperCase()+t.slice(1);if(e.shapeInfo.isUniform)return`
float `+o+`(int index) {
`+We(e)+`
}
`;var a=e.shapeInfo.texShape,i=a[0],s=a[1];if(s===1&&i===1)return`
float `+o+`(int index) {
return sampleTexture(`+t+`, halfCR);
}
`;var u=Ne(t);return s===1?`
float `+o+`(int index) {
vec2 uv = vec2(0.5, (float(index + `+u+") + 0.5) / "+i+`.0);
return sampleTexture(`+t+`, uv);
}
`:i===1?`
float `+o+`(int index) {
vec2 uv = vec2((float(index + `+u+") + 0.5) / "+s+`.0, 0.5);
return sampleTexture(`+t+`, uv);
}
`:`
float `+o+`(int index) {
vec2 uv = uvFromFlat(`+i+", "+s+", index + "+u+`);
return sampleTexture(`+t+`, uv);
}
`}(n);case 2:return function(e){var t=e.shapeInfo.logicalShape,o=e.name,a="get"+o.charAt(0).toUpperCase()+o.slice(1),i=e.shapeInfo.texShape;if(i!=null&&we(t,i)){var s=i[0],u=i[1];return`
float `+a+`(int row, int col) {
vec2 uv = (vec2(col, row) + halfCR) / vec2(`+u+".0, "+s+`.0);
return sampleTexture(`+o+`, uv);
}
`}var f=te(t),C=f.newShape,k=f.keptDims,j=C;if(j.length<t.length){var Y=qe(e,j);return`
`+K(Y)+`
float `+a+`(int row, int col) {
return `+a+"("+it(["row","col"],k)+`);
}
`}if(e.shapeInfo.isUniform)return`
float `+a+`(int row, int col) {
int index = round(dot(vec2(row, col), vec2(`+t[1]+`, 1)));
`+We(e)+`
}
`;var ne=i[0],ce=i[1],se=Ne(o);return ce===1?`
float `+a+`(int row, int col) {
float index = dot(vec3(row, col, `+se+"), vec3("+t[1]+`, 1, 1));
vec2 uv = vec2(0.5, (index + 0.5) / `+ne+`.0);
return sampleTexture(`+o+`, uv);
}
`:ne===1?`
float `+a+`(int row, int col) {
float index = dot(vec3(row, col, `+se+"), vec3("+t[1]+`, 1, 1));
vec2 uv = vec2((index + 0.5) / `+ce+`.0, 0.5);
return sampleTexture(`+o+`, uv);
}
`:`
float `+a+`(int row, int col) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * `+t[1]+" + col + "+se+`;
vec2 uv = uvFromFlat(`+ne+", "+ce+`, index);
return sampleTexture(`+o+`, uv);
}
`}(n);case 3:return function(e){var t=e.shapeInfo.logicalShape,o=e.name,a="get"+o.charAt(0).toUpperCase()+o.slice(1),i=t[1]*t[2],s=t[2],u=te(t),f=u.newShape,C=u.keptDims,k=f;if(k.length<t.length){var j=qe(e,k);return`
`+K(j)+`
float `+a+`(int row, int col, int depth) {
return `+a+"("+it(["row","col","depth"],C)+`);
}
`}if(e.shapeInfo.isUniform)return`
float `+a+`(int row, int col, int depth) {
int index = round(dot(vec3(row, col, depth),
vec3(`+i+", "+s+`, 1)));
`+We(e)+`
}
`;var Y=e.shapeInfo.texShape,ne=Y[0],ce=Y[1],se=e.shapeInfo.flatOffset;if(ce===i&&se==null)return`
float `+a+`(int row, int col, int depth) {
float texR = float(row);
float texC = dot(vec2(col, depth), vec2(`+s+`, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+ce+".0, "+ne+`.0);
return sampleTexture(`+o+`, uv);
}
`;if(ce===s&&se==null)return`
float `+a+`(int row, int col, int depth) {
float texR = dot(vec2(row, col), vec2(`+t[1]+`, 1));
float texC = float(depth);
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(`+ce+".0, "+ne+`.0);
return sampleTexture(`+o+`, uv);
}
`;var le=Ne(o);return`
float `+a+`(int row, int col, int depth) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * `+i+" + col * "+s+" + depth + "+le+`;
vec2 uv = uvFromFlat(`+ne+", "+ce+`, index);
return sampleTexture(`+o+`, uv);
}
`}(n);case 4:return function(e){var t=e.shapeInfo.logicalShape,o=e.name,a="get"+o.charAt(0).toUpperCase()+o.slice(1),i=t[3],s=t[2]*i,u=t[1]*s,f=te(t),C=f.newShape,k=f.keptDims;if(C.length<t.length){var j=qe(e,C);return`
`+K(j)+`
float `+a+`(int row, int col, int depth, int depth2) {
return `+a+"("+it(["row","col","depth","depth2"],k)+`);
}
`}if(e.shapeInfo.isUniform)return`
float `+a+`(int row, int col, int depth, int depth2) {
int index = round(dot(vec4(row, col, depth, depth2),
vec4(`+u+", "+s+", "+i+`, 1)));
`+We(e)+`
}
`;var Y=e.shapeInfo.flatOffset,ne=e.shapeInfo.texShape,ce=ne[0],se=ne[1];if(se===u&&Y==null)return`
float `+a+`(int row, int col, int depth, int depth2) {
float texR = float(row);
float texC =
dot(vec3(col, depth, depth2),
vec3(`+s+", "+i+`, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+se+".0, "+ce+`.0);
return sampleTexture(`+o+`, uv);
}
`;if(se===i&&Y==null)return`
float `+a+`(int row, int col, int depth, int depth2) {
float texR = dot(vec3(row, col, depth),
vec3(`+t[1]*t[2]+", "+t[2]+`, 1));
float texC = float(depth2);
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+se+".0, "+ce+`.0);
return sampleTexture(`+o+`, uv);
}
`;var le=Ne(o);return`
float `+a+`(int row, int col, int depth, int depth2) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * `+u+" + col * "+s+` +
depth * `+i+` + depth2;
vec2 uv = uvFromFlat(`+ce+", "+se+", index + "+le+`);
return sampleTexture(`+o+`, uv);
}
`}(n);case 5:return function(e){var t=e.shapeInfo.logicalShape,o=e.name,a="get"+o.charAt(0).toUpperCase()+o.slice(1),i=t[4],s=t[3]*i,u=t[2]*s,f=t[1]*u,C=te(t),k=C.newShape,j=C.keptDims;if(k.length<t.length){var Y=qe(e,k);return`
`+K(Y)+`
float `+a+`(int row, int col, int depth, int depth2, int depth3) {
return `+a+"("+it(["row","col","depth","depth2","depth3"],j)+`);
}
`}if(e.shapeInfo.isUniform)return`
float `+a+`(int row, int col, int depth, int depth2, int depth3) {
float index = dot(
vec4(row, col, depth, depth2),
vec4(`+f+", "+u+", "+s+", "+i+`)) +
depth3;
`+We(e)+`
}
`;var ne=e.shapeInfo.flatOffset,ce=e.shapeInfo.texShape,se=ce[0],le=ce[1];if(le===f&&ne==null)return`
float `+a+`(int row, int col, int depth, int depth2, int depth3) {
int texR = row;
float texC = dot(vec4(col, depth, depth2, depth3),
vec4(`+u+", "+s+", "+i+`, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+le+".0, "+se+`.0);
return sampleTexture(`+o+`, uv);
}
`;if(le===i&&ne==null)return`
float `+a+`(int row, int col, int depth, int depth2, int depth3) {
float texR = dot(
vec4(row, col, depth, depth2),
vec4(`+t[1]*t[2]*t[3]+`,
`+t[2]*t[3]+", "+t[3]+`, 1));
int texC = depth3;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+le+".0, "+se+`.0);
return sampleTexture(`+o+`, uv);
}
`;var xe=Ne(o);return`
float `+a+`(int row, int col, int depth, int depth2, int depth3) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * `+f+" + col * "+u+" + depth * "+s+` +
depth2 * `+i+" + depth3 + "+xe+`;
vec2 uv = uvFromFlat(`+se+", "+le+`, index);
return sampleTexture(`+o+`, uv);
}
`}(n);case 6:return function(e){var t=e.shapeInfo.logicalShape,o=e.name,a="get"+o.charAt(0).toUpperCase()+o.slice(1),i=te(t),s=i.newShape,u=i.keptDims;if(s.length<t.length){var f=qe(e,s);return`
`+K(f)+`
float `+a+`(int row, int col, int depth,
int depth2, int depth3, int depth4) {
return `+a+"("+it(["row","col","depth","depth2","depth3","depth4"],u)+`);
}
`}var C=t[5],k=t[4]*C,j=t[3]*k,Y=t[2]*j,ne=t[1]*Y;if(e.shapeInfo.isUniform)return`
float `+a+`(int row, int col, int depth,
int depth2, int depth3, int depth4) {
int index = round(dot(
vec4(row, col, depth, depth2),
vec4(`+ne+", "+Y+", "+j+", "+k+`)) +
dot(
vec2(depth3, depth4),
vec2(`+C+`, 1)));
`+We(e)+`
}
`;var ce=e.shapeInfo.flatOffset,se=e.shapeInfo.texShape,le=se[0],xe=se[1];if(xe===ne&&ce==null)return`
float `+a+`(int row, int col, int depth,
int depth2, int depth3, int depth4) {
int texR = row;
float texC = dot(vec4(col, depth, depth2, depth3),
vec4(`+Y+", "+j+", "+k+", "+C+`)) +
float(depth4);
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+xe+".0, "+le+`.0);
return sampleTexture(`+o+`, uv);
}
`;if(xe===C&&ce==null)return`
float `+a+`(int row, int col, int depth,
int depth2, int depth3, int depth4) {
float texR = dot(vec4(row, col, depth, depth2),
vec4(`+t[1]*t[2]*t[3]*t[4]+`,
`+t[2]*t[3]*t[4]+`,
`+t[3]*t[4]+`,
`+t[4]+`)) + float(depth3);
int texC = depth4;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+xe+".0, "+le+`.0);
return sampleTexture(`+o+`, uv);
}
`;var Ee=Ne(o);return`
float `+a+`(int row, int col, int depth,
int depth2, int depth3, int depth4) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * `+ne+" + col * "+Y+" + depth * "+j+` +
depth2 * `+k+" + depth3 * "+C+" + depth4 + "+Ee+`;
vec2 uv = uvFromFlat(`+le+", "+xe+`, index);
return sampleTexture(`+o+`, uv);
}
`}(n);default:throw new Error(r.length+"-D input sampling is not yet supported")}}function oe(n){var r,e,t;switch(n.shapeInfo.logicalShape.length){case 0:return r=n.name,e="get"+r.charAt(0).toUpperCase()+r.slice(1),t=Kr(),`
vec4 `+e+`() {
return `+t.texture2D+"("+r+`, halfCR);
}
`;case 1:return function(o){var a=o.name,i="get"+a.charAt(0).toUpperCase()+a.slice(1),s=o.shapeInfo.texShape,u=[Math.ceil(s[0]/2),Math.ceil(s[1]/2)],f=Kr();return`
vec4 `+i+`(int index) {
vec2 uv = packedUVfrom1D(
`+u[0]+", "+u[1]+`, index);
return `+f.texture2D+"("+a+`, uv);
}
`}(n);case 2:return function(o){var a=o.shapeInfo.logicalShape,i=o.name,s="get"+i.charAt(0).toUpperCase()+i.slice(1),u=o.shapeInfo.texShape,f=u[0],C=u[1],k=Kr();if(u!=null&&we(a,u))return`
vec4 `+s+`(int row, int col) {
vec2 uv = (vec2(col, row) + halfCR) / vec2(`+C+".0, "+f+`.0);
return `+k.texture2D+"("+i+`, uv);
}
`;var j=[Math.ceil(u[0]/2),Math.ceil(u[1]/2)],Y=Math.ceil(a[1]/2);return`
vec4 `+s+`(int row, int col) {
vec2 uv = packedUVfrom2D(`+Y+", "+j[0]+", "+j[1]+`, row, col);
return `+k.texture2D+"("+i+`, uv);
}
`}(n);case 3:return function(o){var a=o.shapeInfo.logicalShape,i=o.name,s="get"+i.charAt(0).toUpperCase()+i.slice(1),u=o.shapeInfo.texShape,f=[Math.ceil(u[0]/2),Math.ceil(u[1]/2)];if(a[0]===1){var C=a.slice(1),k=qe(o,C);return`
`+oe(k)+`
vec4 `+s+`(int b, int row, int col) {
return `+s+"("+it(["b","row","col"],[1,2])+`);
}
`}var j=f[0],Y=f[1],ne=Math.ceil(a[2]/2),ce=ne*Math.ceil(a[1]/2),se=Kr();return`
vec4 `+s+`(int b, int row, int col) {
vec2 uv = packedUVfrom3D(
`+j+", "+Y+", "+ce+", "+ne+`, b, row, col);
return `+se.texture2D+"("+i+`, uv);
}
`}(n);default:return function(o){for(var a=o.shapeInfo.logicalShape,i=a.length,s=o.name,u="get"+s.charAt(0).toUpperCase()+s.slice(1),f=o.shapeInfo.texShape,C=[Math.ceil(f[0]/2),Math.ceil(f[1]/2)],k=C[0],j=C[1],Y=Math.ceil(a[i-1]/2),ne=Y*Math.ceil(a[i-2]/2),ce="int b, int row, int col",se="b * "+ne+" + (row / 2) * "+Y+" + (col / 2)",le=2;le<i-1;le++)ce="int b"+le+", "+ce,ne*=a[i-le-1],se="b"+le+" * "+ne+" + "+se;var xe=Kr();return`
vec4 `+u+"("+ce+`) {
int index = `+se+`;
int texR = index / `+j+`;
int texC = index - texR * `+j+`;
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(`+j+", "+k+`);
return `+xe.texture2D+"("+s+`, uv);
}
`}(n)}}var ve=`
vec2 uvFromFlat(int texNumR, int texNumC, int index) {
int texR = index / texNumC;
int texC = index - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
vec2 packedUVfrom1D(int texNumR, int texNumC, int index) {
int texelIndex = index / 2;
int texR = texelIndex / texNumC;
int texC = texelIndex - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,fe=`
vec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,
int texNumC, int row, int col) {
int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);
int texR = texelIndex / texNumC;
int texC = texelIndex - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,Ce=`
vec2 packedUVfrom3D(int texNumR, int texNumC,
int texelsInBatch, int texelsInLogicalRow, int b,
int row, int col) {
int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);
int texR = index / texNumC;
int texC = index - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,Ie=`
float getChannel(vec4 frag, vec2 innerDims) {
vec2 modCoord = mod(innerDims, 2.);
return modCoord.x == 0. ?
(modCoord.y == 0. ? frag.r : frag.g) :
(modCoord.y == 0. ? frag.b : frag.a);
}
float getChannel(vec4 frag, int dim) {
float modCoord = mod(float(dim), 2.);
return modCoord == 0. ? frag.r : frag.g;
}
`;function Ne(n){return"offset"+n}function We(n){var r=n.name,e=de(n.shapeInfo.logicalShape);return e<2?"return "+r+";":`
for (int i = 0; i < `+e+`; i++) {
if (i == index) {
return `+r+`[i];
}
}
`}function Ge(n){if(n<=1)return"int";if(n===2)return"ivec2";if(n===3)return"ivec3";if(n===4)return"ivec4";if(n===5)return"ivec5";if(n===6)return"ivec6";throw Error("GPU for rank "+n+" is not yet supported")}function qe(n,r){var e=JSON.parse(JSON.stringify(n));return e.shapeInfo.logicalShape=r,e}function it(n,r){return r.map(function(e){return n[e]}).join(", ")}var yt=function(n,r,e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,_(n.length>2,function(){return"Packed arg"+(e.charAt(0).toUpperCase()+e.slice(1))+" supports only inputs with rank above 2."});var o=n[n.length-1],a=Math.ceil(o/r);this.outputShape=n.slice(0,-1),a>1&&this.outputShape.push(a),t||this.variableNames.push("bestIndicesA");var i,s,u=this.outputShape,f=u.length,C=Ge(f),k=en("coords",f);if(a===1){var j=Ge(s=f+1);i=`
`+j+" sourceLocR = "+j+"("+k.join()+`, 0);
++`+k[f-1]+`;
`+j+" sourceLocG = "+j+"("+k.join()+`, 0);
++`+k[f-2]+`;
`+j+" sourceLocA = "+j+"("+k.join()+`, 0);
--`+k[f-1]+`;
`+j+" sourceLocB = "+j+"("+k.join()+`, 0);
--`+k[f-2]+";"}else s=f,i=`
`+C+` sourceLocR = coords;
++`+k[f-1]+`;
`+C+` sourceLocG = coords;
++`+k[f-2]+`;
`+C+` sourceLocA = coords;
--`+k[f-1]+`;
`+C+` sourceLocB = coords;
--`+k[f-2]+";";var Y=["x","y","z","w","u","v"].slice(0,s),ne="."+Y[s-1],ce=Y.map(function(Be){return"int "+Be}),se=en("sourceLocR",s-1).concat("inIdx.r"),le=en("sourceLocG",s-1).concat("inIdx.g"),xe=en("sourceLocB",s-1).concat("inIdx.b"),Ee=en("sourceLocA",s-1).concat("inIdx.a"),_e=e==="max"?"greaterThan":"lessThan",Te=t?"":`
inIdx = round(vec4(getBestIndicesAChannel(`+se.join()+`),
getBestIndicesAChannel(`+le.join()+`),
getBestIndicesAChannel(`+xe.join()+`),
getBestIndicesAChannel(`+Ee.join()+")));",Me=`vec4(
getAChannel(`+se.join()+`),
hasNextCol ? getAChannel(`+le.join()+`) : 0.,
hasNextRow ? getAChannel(`+xe.join()+`) : 0.,
hasNextRow && hasNextCol ? getAChannel(`+Ee.join()+") : 0.)",He=t?"":`
float getBestIndicesAChannel(`+ce.join()+`) {
return getChannel(getBestIndicesA(`+Y.join()+`),
vec2(`+Y.slice(-2).join()+`));
}`;this.userCode=`
float getAChannel(`+ce.join()+`) {
return getChannel(getA(`+Y.join()+`),
vec2(`+Y.slice(-2).join()+`));
}
`+He+`
void main() {
`+C+` coords = getOutputCoords();
bool hasNextCol = `+k[f-1]+" < "+(u[f-1]-1)+`;
bool hasNextRow = `+k[f-2]+" < "+(u[f-2]-1)+`;
`+i+`
ivec4 srcIdx = ivec4(sourceLocR`+ne+", sourceLocG"+ne+`,
sourceLocB`+ne+", sourceLocA"+ne+") * "+r+`;
ivec4 inIdx = srcIdx;
vec4 bestIndex = vec4(inIdx);
vec4 bestValue = `+Me+`;
for (int i = 0; i < `+r+`; i++) {
inIdx = srcIdx;
`+Te+`
vec4 candidate = `+Me+`;
bvec4 nan = isnan(candidate);
bvec4 replace = bvec4(
vec4(`+_e+`(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));
bestValue = vec4(replace.x ? candidate.x : bestValue.x,
replace.y ? candidate.y : bestValue.y,
replace.z ? candidate.z : bestValue.z,
replace.w ? candidate.w : bestValue.w);
bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));
srcIdx++;
}
setOutput(bestIndex);
}
`},_t=function(n){this.variableNames=["dy"],this.outputShape=n.inShape;var r=n.filterHeight,e=n.filterWidth,t=n.strideHeight,o=n.strideWidth,a=n.dilationHeight,i=n.dilationWidth,s=n.effectiveFilterHeight,u=n.effectiveFilterWidth,f=s-1-n.padInfo.top,C=u-1-n.padInfo.left,k=1/(r*e);this.userCode=`
const ivec2 pads = ivec2(`+f+", "+C+`);
const float avgMultiplier = float(`+k+`);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 dyRCCorner = coords.yz - pads;
int dyRCorner = dyRCCorner.x;
int dyCCorner = dyRCCorner.y;
// Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < `+s+`;
wR += `+a+`) {
float dyR = float(dyRCorner + wR) / `+t+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 || fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < `+u+`;
wC+= `+i+`) {
float dyC = float(dyCCorner + wC) / `+o+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(b, idyR, idyC, d);
dotProd += dyValue * avgMultiplier;
}
}
setOutput(dotProd);
}
`},Tt=function(n){this.variableNames=["dy"],this.outputShape=n.inShape;var r=n.filterDepth,e=n.filterHeight,t=n.filterWidth,o=n.strideDepth,a=n.strideHeight,i=n.strideWidth,s=n.dilationDepth,u=n.dilationHeight,f=n.dilationWidth,C=n.effectiveFilterDepth,k=n.effectiveFilterHeight,j=n.effectiveFilterWidth,Y=C-1-n.padInfo.front,ne=k-1-n.padInfo.top,ce=j-1-n.padInfo.left,se=1/(r*e*t);this.userCode=`
const ivec3 pads = ivec3(`+Y+", "+ne+", "+ce+`);
const float avgMultiplier = float(`+se+`);
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
int dyDCorner = dyCorner.x;
int dyRCorner = dyCorner.y;
int dyCCorner = dyCorner.z;
// Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get
// dx(xD, xR, xC, ch).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wD = 0; wD < `+C+`;
wD += `+s+`) {
float dyD = float(dyDCorner + wD) / `+o+`.0;
if (dyD < 0.0 || dyD >= `+n.outDepth+`.0 || fract(dyD) > 0.0) {
continue;
}
int idyD = int(dyD);
for (int wR = 0; wR < `+k+`;
wR += `+u+`) {
float dyR = float(dyRCorner + wR) / `+a+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 ||
fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < `+j+`;
wC += `+f+`) {
float dyC = float(dyCCorner + wC) / `+i+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(batch, idyD, idyR, idyC, ch);
dotProd += dyValue * avgMultiplier;
}
}
}
setOutput(dotProd);
}
`},Nt=function(n,r,e,t,o,a){this.outputShape=[],this.variableNames=["x","mean","variance"],Ht(n,r),Ht(n,e);var i="0.0";t!=null&&(Ht(n,t),this.variableNames.push("offset"),i="getOffsetAtOutCoords()");var s="1.0";o!=null&&(Ht(n,o),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=n,this.userCode=`
void main() {
float x = getXAtOutCoords();
float mean = getMeanAtOutCoords();
float variance = getVarianceAtOutCoords();
float offset = `+i+`;
float scale = `+s+`;
float inv = scale * inversesqrt(variance + float(`+a+`));
setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));
}
`},At=function(n,r,e,t,o,a){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],Ht(n,r),Ht(n,e);var i="vec4(0.0)";t!=null&&(Ht(n,t),this.variableNames.push("offset"),i="getOffsetAtOutCoords()");var s="vec4(1.0)";o!=null&&(Ht(n,o),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=n,this.userCode=`
void main() {
vec4 offset = `+i+`;
vec4 scale = `+s+`;
vec4 x = getXAtOutCoords();
vec4 mean = getMeanAtOutCoords();
vec4 variance = getVarianceAtOutCoords();
vec4 inv = scale * inversesqrt(variance + vec4(`+a+`));
setOutput((x - mean) * inv + offset);
}
`},gt="return areal * breal - aimag * bimag;",Ct="return areal * bimag + aimag * breal;",Wt=function(n,r,e){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=Ht(r,e),this.userCode=`
float binaryOpComplex(
float areal, float aimag, float breal, float bimag) {
`+n+`
}
void main() {
float areal = getARealAtOutCoords();
float aimag = getAImagAtOutCoords();
float breal = getBRealAtOutCoords();
float bimag = getBImagAtOutCoords();
setOutput(binaryOpComplex(areal, aimag, breal, bimag));
}
`},sr="return a + b;",vr="return a - b;",or="return a * b;",Gt="return (a < 0.) ? b * a : a;",Ut=function(n,r,e){this.variableNames=["A","B"],this.outputShape=Ht(r,e),this.userCode=`
float binaryOperation(float a, float b) {
`+n+`
}
void main() {
float a = getAAtOutCoords();
float b = getBAtOutCoords();
setOutput(binaryOperation(a, b));
}
`},kr=`
vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);
`,lr=function(n,r,e,t){t===void 0&&(t=!1),this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=Ht(r,e);var o=this.outputShape.length,a="";if(t)if(o===0||de(this.outputShape)===1)a=`
result.y = 0.;
result.z = 0.;
result.w = 0.;
`;else if(a=`
`+Ge(o)+` coords = getOutputCoords();
`,o===1)a+=`
result.y = (coords + 1) >= `+this.outputShape[0]+` ? 0. : result.y;
result.z = 0.;
result.w = 0.;
`;else{var i=en("coords",o);a+=`
bool nextRowOutOfBounds =
(`+i[o-2]+" + 1) >= "+this.outputShape[o-2]+`;
bool nextColOutOfBounds =
(`+i[o-1]+" + 1) >= "+this.outputShape[o-1]+`;
result.y = nextColOutOfBounds ? 0. : result.y;
result.z = nextRowOutOfBounds ? 0. : result.z;
result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;
`}this.userCode=`
vec4 binaryOperation(vec4 a, vec4 b) {
`+n+`
}
void main() {
vec4 a = getAAtOutCoords();
vec4 b = getBAtOutCoords();
vec4 result = binaryOperation(a, b);
`+a+`
setOutput(result);
}
`},Xr=function(){function n(r){this.variableNames=["A"],this.outputShape=r,this.userCode=`
uniform float minVal;
uniform float maxVal;
void main() {
float value = getAAtOutCoords();
if (isnan(value)) {
setOutput(value);
return;
}
setOutput(clamp(value, minVal, maxVal));
}
`}return n.prototype.getCustomSetupFunc=function(r,e){var t=this;return function(o,a){t.minLoc==null&&(t.minLoc=o.getUniformLocationNoThrow(a,"minVal"),t.maxLoc=o.getUniformLocationNoThrow(a,"maxVal")),o.gl.uniform1f(t.minLoc,r),o.gl.uniform1f(t.maxLoc,e)}},n}(),Yr=function(){function n(r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=r,this.userCode=`
uniform float minVal;
uniform float maxVal;
void main() {
vec4 value = getAAtOutCoords();
if (any(isnan(value))) {
setOutput(value);
return;
}
setOutput(clamp(value, vec4(minVal), vec4(maxVal)));
}
`}return n.prototype.getCustomSetupFunc=function(r,e){var t=this;return function(o,a){t.minLoc==null&&(t.minLoc=o.getUniformLocationNoThrow(a,"minVal"),t.maxLoc=o.getUniformLocationNoThrow(a,"maxVal")),o.gl.uniform1f(t.minLoc,r),o.gl.uniform1f(t.maxLoc,e)}},n}(),Rt=function(n){this.variableNames=["real","imag"],this.outputShape=n,this.userCode=`
void main() {
float re = abs(getRealAtOutCoords());
float im = abs(getImagAtOutCoords());
float mx = max(re, im);
// sadly the length function in glsl is not underflow-safe
// (at least not on Intel GPUs). So the safe solution is
// to ensure underflow-safety in all cases.
setOutput(
mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))
);
}
`},tn=function(n){this.outputShape=[],this.outputShape=qn(n,1),this.variableNames=n.map(function(s,u){return"T"+u});var r=new Array(n.length-1);r[0]=n[0][1];for(var e=1;e<r.length;e++)r[e]=r[e-1]+n[e][1];var t=["if (yC < "+r[0]+") setOutput(getT0(yR, yC));"];for(e=1;e<r.length;e++){var o=r[e-1];t.push("else if (yC < "+r[e]+") setOutput(getT"+e+"(yR, yC-"+o+"));")}var a=r.length,i=r[r.length-1];t.push("else setOutput(getT"+a+"(yR, yC-"+i+"));"),this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int yR = coords.x;
int yC = coords.y;
`+t.join(`
`)+`
}
`},ur=function(n,r){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=qn(n,r);var e=this.outputShape,t=e.length,o=Ge(t),a=en("coords",t),i=["x","y","z","w","u","v"].slice(0,t);this.variableNames=n.map(function(se,le){return"T"+le});var s=new Array(n.length-1);s[0]=n[0][r];for(var u=1;u<s.length;u++)s[u]=s[u-1]+n[u][r];var f=i[r],C=i.slice(-2),k=i.join(),j="if ("+f+" < "+s[0]+`) {
return getChannel(
getT0(`+k+"), vec2("+C.join()+`));
}`;for(u=1;u<s.length;u++){var Y=s[u-1];j+=`
if (`+f+" < "+s[u]+" && "+f+" >= "+s[u-1]+`) {
return getChannel(
getT`+u+"("+_r(i,f,Y)+`),
vec2(`+_r(C,f,Y)+`));
}`}var ne=s.length,ce=s[s.length-1];j+=`
return getChannel(
getT`+ne+"("+_r(i,f,ce)+`),
vec2(`+_r(C,f,ce)+"));",this.userCode=`
float getValue(`+i.map(function(se){return"int "+se})+`) {
`+j+`
}
void main() {
`+o+` coords = getOutputCoords();
vec4 result = vec4(getValue(`+a+`), 0., 0., 0.);
`+a[t-1]+" = "+a[t-1]+` + 1;
if (`+a[t-1]+" < "+e[t-1]+`) {
result.g = getValue(`+a+`);
}
`+a[t-2]+" = "+a[t-2]+` + 1;
if (`+a[t-2]+" < "+e[t-2]+`) {
result.a = getValue(`+a+`);
}
`+a[t-1]+" = "+a[t-1]+` - 1;
if (`+a[t-2]+" < "+e[t-2]+` &&
`+a[t-1]+" < "+e[t-1]+`) {
result.b = getValue(`+a+`);
}
setOutput(result);
}
`};function _r(n,r,e){var t=n.indexOf(r);return n.map(function(o,a){return a===t?o+" - "+e:o}).join()}var Un=function(n){this.variableNames=["x","dy"],this.outputShape=n.filterShape;var r=n.strideHeight,e=n.strideWidth,t=n.padInfo.top,o=n.padInfo.left,a=n.dataFormat==="channelsLast";this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int wR = coords.x;
int wC = coords.y;
int d1 = coords.z;
int d2 = coords.w;
// Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int b = 0; b < `+n.batchSize+`; b++) {
for (int yR = 0; yR < `+n.outHeight+`; yR++) {
int xR = wR + yR * `+r+" - "+t+`;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int yC = 0; yC < `+n.outWidth+`; yC++) {
int xC = wC + yC * `+e+" - "+o+`;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
if (`+a+`) {
float dyValue = getDy(b, yR, yC, d2);
float xValue = getX(b, xR, xC, d1);
dotProd += (xValue * dyValue);
} else {
float dyValue = getDy(b, d2, yR, yC);
float xValue = getX(b, d1, xR, xC);
dotProd += (xValue * dyValue);
}
}
}
}
setOutput(dotProd);
}
`},Rn=function(n){this.variableNames=["dy","W"],this.outputShape=n.inShape;var r=n.filterHeight,e=n.filterWidth,t=n.strideHeight,o=n.strideWidth,a=n.dataFormat==="channelsLast",i=r-1-n.padInfo.top,s=e-1-n.padInfo.left,u=a?1:2,f=a?2:3,C=a?3:1;this.userCode=`
const ivec2 pads = ivec2(`+i+", "+s+`);
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d1 = coords[`+C+`];
ivec2 dyCorner = ivec2(coords[`+u+"], coords["+f+`]) - pads;
int dyRCorner = dyCorner.x;
int dyCCorner = dyCorner.y;
// Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < `+r+`; wR++) {
float dyR = float(dyRCorner + wR) / `+t+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 || fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
int wRPerm = `+r+` - 1 - wR;
for (int wC = 0; wC < `+e+`; wC++) {
float dyC = float(dyCCorner + wC) / `+o+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
int wCPerm = `+e+` - 1 - wC;
for (int d2 = 0; d2 < `+n.outChannels+`; d2++) {
if (`+a+`) {
float xValue = getDy(batch, idyR, idyC, d2);
float wValue = getW(wRPerm, wCPerm, d1, d2);
dotProd += xValue * wValue;
} else {
float xValue = getDy(batch, d2, idyR, idyC);
float wValue = getW(wRPerm, wCPerm, d1, d2);
dotProd += xValue * wValue;
}
}
}
}
setOutput(dotProd);
}
`},Ko=function(n){this.variableNames=["x","dy"],this.outputShape=n.filterShape;var r=n.strideDepth,e=n.strideHeight,t=n.strideWidth,o=n.padInfo.front,a=n.padInfo.top,i=n.padInfo.left;this.userCode=`
void main() {
ivec5 coords = getOutputCoords();
int wF = coords.x;
int wR = coords.y;
int wC = coords.z;
int d1 = coords.w;
int d2 = coords.u;
float dotProd = 0.0;
for (int b = 0; b < `+n.batchSize+`; b++) {
for (int yF = 0; yF < `+n.outDepth+`; yF++) {
int xF = wF + yF * `+r+" - "+o+`;
if (xF < 0 || xF >= `+n.inDepth+`) {
continue;
}
for (int yR = 0; yR < `+n.outHeight+`; yR++) {
int xR = wR + yR * `+e+" - "+a+`;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int yC = 0; yC < `+n.outWidth+`; yC++) {
int xC = wC + yC * `+t+" - "+i+`;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
float dyValue = getDy(b, yF, yR, yC, d2);
float xValue = getX(b, xF, xR, xC, d1);
dotProd += (xValue * dyValue);
}
}
}
}
setOutput(dotProd);
}
`},Wn=function(n){this.variableNames=["dy","W"],this.outputShape=n.inShape;var r=n.filterDepth,e=n.filterHeight,t=n.filterWidth,o=n.strideDepth,a=n.strideHeight,i=n.strideWidth,s=r-1-n.padInfo.front,u=e-1-n.padInfo.top,f=t-1-n.padInfo.left;this.userCode=`
const ivec3 pads = ivec3(`+s+", "+u+", "+f+`);
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int d1 = coords.u;
ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
int dyFCorner = dyCorner.x;
int dyRCorner = dyCorner.y;
int dyCCorner = dyCorner.z;
float dotProd = 0.0;
for (int wF = 0; wF < `+r+`; wF++) {
float dyF = float(dyFCorner + wF) / `+o+`.0;
if (dyF < 0.0 || dyF >= `+n.outDepth+`.0 || fract(dyF) > 0.0) {
continue;
}
int idyF = int(dyF);
int wFPerm = `+r+` - 1 - wF;
for (int wR = 0; wR < `+e+`; wR++) {
float dyR = float(dyRCorner + wR) / `+a+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 ||
fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
int wRPerm = `+e+` - 1 - wR;
for (int wC = 0; wC < `+t+`; wC++) {
float dyC = float(dyCCorner + wC) / `+i+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
int wCPerm = `+t+` - 1 - wC;
for (int d2 = 0; d2 < `+n.outChannels+`; d2++) {
float xValue = getDy(batch, idyF, idyR, idyC, d2);
float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);
dotProd += xValue * wValue;
}
}
}
}
setOutput(dotProd);
}
`},hi=function(n){this.variableNames=["x","dy"],this.outputShape=n.filterShape;var r=n.strideHeight,e=n.strideWidth,t=n.padInfo.top,o=n.padInfo.left,a=n.outChannels/n.inChannels;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int wR = coords.x;
int wC = coords.y;
int d1 = coords.z;
int dm = coords.w;
int d2 = d1 * `+a+` + dm;
float dotProd = 0.0;
// TO DO: Vec4 over the batch size
for (int b = 0; b < `+n.batchSize+`; b++) {
for (int yR = 0; yR < `+n.outHeight+`; yR++) {
int xR = wR + yR * `+r+" - "+t+`;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int yC = 0; yC < `+n.outWidth+`; yC++) {
int xC = wC + yC * `+e+" - "+o+`;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
float dyValue = getDy(b, yR, yC, d2);
float xValue = getX(b, xR, xC, d1);
dotProd += (xValue * dyValue);
}
}
}
setOutput(dotProd);
}
`},gr=function(n){this.variableNames=["dy","W"],this.outputShape=n.inShape;var r=n.filterHeight,e=n.filterWidth,t=n.strideHeight,o=n.strideWidth,a=r-1-n.padInfo.top,i=e-1-n.padInfo.left,s=n.outChannels/n.inChannels;this.userCode=`
const ivec2 pads = ivec2(`+a+", "+i+`);
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d1 = coords[3];
ivec2 dyCorner = coords.yz - pads;
int dyRCorner = dyCorner.x;
int dyCCorner = dyCorner.y;
float dotProd = 0.0;
for (int wR = 0; wR < `+r+`; wR++) {
float dyR = float(dyRCorner + wR) / `+t+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 || fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
int wRPerm = `+r+` - 1 - wR;
for (int wC = 0; wC < `+e+`; wC++) {
float dyC = float(dyCCorner + wC) / `+o+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
int wCPerm = `+e+` - 1 - wC;
// TO DO: Vec4 over the channelMul
for (int dm = 0; dm < `+s+`; dm++) {
int d2 = d1 * `+s+` + dm;
float xValue = getDy(batch, idyR, idyC, d2);
float wValue = getW(wRPerm, wCPerm, d1, dm);
dotProd += xValue * wValue;
}
}
}
setOutput(dotProd);
}
`},Dt=function(n,r,e,t){r===void 0&&(r=!1),e===void 0&&(e=null),t===void 0&&(t=!1),this.variableNames=["x","W"],this.outputShape=n.outShape;var o=n.padInfo.top,a=n.padInfo.left,i=n.strideHeight,s=n.strideWidth,u=n.dilationHeight,f=n.dilationWidth,C=n.filterHeight,k=n.filterWidth,j=4*Math.floor(n.inChannels/4),Y=n.inChannels%4,ne=n.dataFormat==="channelsLast",ce=ne?1:2,se=ne?2:3,le=ne?3:1,xe="",Ee="";e&&(xe=t?`float activation(float a) {
float b = getPreluActivationWeightsAtOutCoords();
`+e+`
}`:`
float activation(float x) {
`+e+`
}
`,Ee="result = activation(result);");var _e=r?"result += getBiasAtOutCoords();":"";r&&this.variableNames.push("bias"),t&&this.variableNames.push("preluActivationWeights"),this.userCode=`
`+xe+`
const ivec2 strides = ivec2(`+i+", "+s+`);
const ivec2 pads = ivec2(`+o+", "+a+`);
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d2 = coords[`+le+`];
ivec2 xRCCorner =
ivec2(coords[`+ce+"], coords["+se+`]) * strides - pads;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < `+C+`; wR++) {
int xR = xRCorner + wR * `+u+`;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int wC = 0; wC < `+k+`; wC++) {
int xC = xCCorner + wC * `+f+`;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
for (int d1 = 0; d1 < `+j+`; d1 += 4) {
vec4 wValues = vec4(
getW(wR, wC, d1, d2),
getW(wR, wC, d1 + 1, d2),
getW(wR, wC, d1 + 2, d2),
getW(wR, wC, d1 + 3, d2)
);
if (`+ne+`) {
vec4 xValues = vec4(
getX(batch, xR, xC, d1),
getX(batch, xR, xC, d1 + 1),
getX(batch, xR, xC, d1 + 2),
getX(batch, xR, xC, d1 + 3)
);
dotProd += dot(xValues, wValues);
} else {
vec4 xValues = vec4(
getX(batch, d1, xR, xC),
getX(batch, d1 + 1, xR, xC),
getX(batch, d1 + 2, xR, xC),
getX(batch, d1 + 3, xR, xC)
);
dotProd += dot(xValues, wValues);
}
}
if (`+(Y===1)+`) {
if (`+ne+`) {
dotProd +=
getX(batch, xR, xC, `+j+`) *
getW(wR, wC, `+j+`, d2);
} else {
dotProd +=
getX(batch, `+j+`, xR, xC) *
getW(wR, wC, `+j+`, d2);
}
} else if (`+(Y===2)+`) {
vec2 wValues = vec2(
getW(wR, wC, `+j+`, d2),
getW(wR, wC, `+j+` + 1, d2)
);
if (`+ne+`) {
vec2 xValues = vec2(
getX(batch, xR, xC, `+j+`),
getX(batch, xR, xC, `+j+` + 1)
);
dotProd += dot(xValues, wValues);
} else {
vec2 xValues = vec2(
getX(batch, `+j+`, xR, xC),
getX(batch, `+j+` + 1, xR, xC)
);
dotProd += dot(xValues, wValues);
}
} else if (`+(Y===3)+`) {
vec3 wValues = vec3(
getW(wR, wC, `+j+`, d2),
getW(wR, wC, `+j+` + 1, d2),
getW(wR, wC, `+j+` + 2, d2)
);
if (`+ne+`) {
vec3 xValues = vec3(
getX(batch, xR, xC, `+j+`),
getX(batch, xR, xC, `+j+` + 1),
getX(batch, xR, xC, `+j+` + 2)
);
dotProd += dot(xValues, wValues);
} else {
vec3 xValues = vec3(
getX(batch, `+j+`, xR, xC),
getX(batch, `+j+` + 1, xR, xC),
getX(batch, `+j+` + 2, xR, xC)
);
dotProd += dot(xValues, wValues);
}
}
}
}
float result = dotProd;
`+_e+`
`+Ee+`
setOutput(result);
}
`},Vt=function(n){this.variableNames=["x","W"],this.outputShape=n.outShape;var r=n.padInfo.front,e=n.padInfo.top,t=n.padInfo.left,o=n.strideDepth,a=n.strideHeight,i=n.strideWidth,s=n.dilationDepth,u=n.dilationHeight,f=n.dilationWidth,C=n.filterDepth,k=n.filterHeight,j=n.filterWidth,Y=4*Math.floor(n.inChannels/4),ne=n.inChannels%4;this.userCode=`
const ivec3 strides = ivec3(`+o+", "+a+", "+i+`);
const ivec3 pads = ivec3(`+r+", "+e+", "+t+`);
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int d2 = coords.u;
ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
int xFCorner = xFRCCorner.x;
int xRCorner = xFRCCorner.y;
int xCCorner = xFRCCorner.z;
// Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get
// y(yF, yR, yC, d2). ? = to be determined. : = across all
// values in that axis.
float dotProd = 0.0;
for (int wF = 0; wF < `+C+`; wF++) {
int xF = xFCorner + wF * `+s+`;
if (xF < 0 || xF >= `+n.inDepth+`) {
continue;
}
for (int wR = 0; wR < `+k+`; wR++) {
int xR = xRCorner + wR * `+u+`;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int wC = 0; wC < `+j+`; wC++) {
int xC = xCCorner + wC * `+f+`;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
for (int d1 = 0; d1 < `+Y+`; d1 += 4) {
vec4 xValues = vec4(
getX(batch, xF, xR, xC, d1),
getX(batch, xF, xR, xC, d1 + 1),
getX(batch, xF, xR, xC, d1 + 2),
getX(batch, xF, xR, xC, d1 + 3)
);
vec4 wValues = vec4(
getW(wF, wR, wC, d1, d2),
getW(wF, wR, wC, d1 + 1, d2),
getW(wF, wR, wC, d1 + 2, d2),
getW(wF, wR, wC, d1 + 3, d2)
);
dotProd += dot(xValues, wValues);
}
if (`+(ne===1)+`) {
dotProd +=
getX(batch, xF, xR, xC, `+Y+`) *
getW(wF, wR, wC, `+Y+`, d2);
} else if (`+(ne===2)+`) {
vec2 xValues = vec2(
getX(batch, xF, xR, xC, `+Y+`),
getX(batch, xF, xR, xC, `+Y+` + 1)
);
vec2 wValues = vec2(
getW(wF, wR, wC, `+Y+`, d2),
getW(wF, wR, wC, `+Y+` + 1, d2)
);
dotProd += dot(xValues, wValues);
} else if (`+(ne===3)+`) {
vec3 xValues = vec3(
getX(batch, xF, xR, xC, `+Y+`),
getX(batch, xF, xR, xC, `+Y+` + 1),
getX(batch, xF, xR, xC, `+Y+` + 2)
);
vec3 wValues = vec3(
getW(wF, wR, wC, `+Y+`, d2),
getW(wF, wR, wC, `+Y+` + 1, d2),
getW(wF, wR, wC, `+Y+` + 2, d2)
);
dotProd += dot(xValues, wValues);
}
}
}
}
setOutput(dotProd);
}
`},yr=function(n,r,e,t){r===void 0&&(r=!1),e===void 0&&(e=null),t===void 0&&(t=!1),this.variableNames=["x","W"],this.outputShape=n.outShape;var o=n.inHeight,a=n.inWidth,i=n.padInfo.top,s=n.padInfo.left,u=n.strideHeight,f=n.strideWidth,C=n.dilationHeight,k=n.dilationWidth,j=n.filterHeight,Y=n.filterWidth,ne=n.outChannels/n.inChannels,ce="",se="";e&&(ce=t?`float activation(float a) {
float b = getPreluActivationWeightsAtOutCoords();
`+e+`
}`:`
float activation(float x) {
`+e+`
}
`,se="result = activation(result);");var le=r?"result += getBiasAtOutCoords();":"";r&&this.variableNames.push("bias"),t&&this.variableNames.push("preluActivationWeights"),this.userCode=`
`+ce+`
const ivec2 strides = ivec2(`+u+", "+f+`);
const ivec2 pads = ivec2(`+i+", "+s+`);
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
ivec2 xRCCorner = coords.yz * strides - pads;
int d2 = coords.w;
int d1 = d2 / `+ne+`;
int q = d2 - d1 * `+ne+`;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
// TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.
for (int wR = 0; wR < `+j+`; wR++) {
int xR = xRCorner + wR * `+C+`;
if (xR < 0 || xR >= `+o+`) {
continue;
}
for (int wC = 0; wC < `+Y+`; wC++) {
int xC = xCCorner + wC * `+k+`;
if (xC < 0 || xC >= `+a+`) {
continue;
}
float xVal = getX(batch, xR, xC, d1);
float wVal = getW(wR, wC, d1, q);
dotProd += xVal * wVal;
}
}
float result = dotProd;
`+le+`
`+se+`
setOutput(result);
}
`},dr=function(n,r,e,t){r===void 0&&(r=!1),e===void 0&&(e=null),t===void 0&&(t=!1),this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n.outShape;for(var o=n.inHeight,a=n.inWidth,i=n.padInfo.top,s=n.padInfo.left,u=n.strideHeight,f=n.strideWidth,C=n.dilationHeight,k=n.dilationWidth,j=n.filterHeight,Y=n.filterWidth,ne=Y,ce="int xR; int xC; int xCOffset;",se=0;se<j;se++)for(var le=0;le<Y;le++)ce+=`
vec4 xTexelR`+se+"C"+2*le+` = vec4(0.);
vec4 wR`+se+"C"+le+` = vec4(0.);
vec4 xR`+se+"C"+le+" = vec4(0.);";for(se=0;se<j;se++)for(var xe=0;xe<ne;xe++){if(ce+=`
xR = xRCorner + `+se*C+`;
xC = xCCorner + `+(le=2*xe)*k+`;
`,f===1){if(le<Y&&(ce+=s%2==1?`
xCOffset = xC + 1;
if(xR >= 0 && xR < `+o+" && xCOffset >= 0 && xCOffset < "+a+`) {
xTexelR`+se+"C"+le+` = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if(xCOffset + 1 >= `+a+`) {
xTexelR`+se+"C"+le+`.zw = vec2(0.);
}
} else {
xTexelR`+se+"C"+le+` = vec4(0.);
}
xCOffset = xC + 1 - 2;
if(xR >= 0 && xR < `+o+" && xCOffset >= 0 && xCOffset < "+a+`) {
vec4 previous = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if(xCOffset + 1 >= `+a+`) {
previous.zw = vec2(0.);
}
xR`+se+"C"+le+" = vec4(previous.zw, xTexelR"+se+"C"+le+`.xy);
} else {
xR`+se+"C"+le+" = vec4(0, 0, xTexelR"+se+"C"+le+`.xy);
}
`:`
if(xR >= 0 && xR < `+o+" && xC >= 0 && xC < "+a+`) {
xTexelR`+se+"C"+le+` = getX(batch, xR, xC, d1);
} else {
xTexelR`+se+"C"+le+` = vec4(0.);
}
xR`+se+"C"+le+" = xTexelR"+se+"C"+le+`;
`,le+1<Y)){var Ee=s%2==0?ee(k):k;k%2==0&&s%2==1||k%2!=0&&s%2!=1?(ce+=`
xCOffset = xC + `+s%2+" + "+Ee+`;
if(xR >= 0 && xR < `+o+` &&
xCOffset >= 0 && xCOffset < `+a+`) {
xTexelR`+se+"C"+(le+2)+` = getX(batch, xR, xCOffset, d1);
}
`,k>1&&(ce+=`
xCOffset -= 2;
if(xR >= 0 && xR < `+o+` &&
xCOffset >= 0 && xCOffset < `+a+`) {
xTexelR`+se+"C"+le+` = getX(batch, xR, xCOffset, d1);
} else {
xTexelR`+se+"C"+le+` = vec4(0.);
}
`),ce+=`
xR`+se+"C"+(le+1)+` = vec4(
xTexelR`+se+"C"+le+".zw, xTexelR"+se+"C"+(le+2)+`.xy);
`):ce+=`
xCOffset = xC + `+Ee+`;
if(xR >= 0 && xR < `+o+` &&
xCOffset >= 0 && xCOffset < `+a+`) {
xTexelR`+se+"C"+(le+2)+` = getX(batch, xR, xCOffset, d1);
}
xR`+se+"C"+(le+1)+" = xTexelR"+se+"C"+(le+2)+`;
`}}else le<Y&&(ce+=`
if(xR >= 0 && xR < `+o+`) {
`,s%2==1?(ce+=`
xCOffset = xC + 1 - `+f+`;
if(xCOffset >= 0 && xCOffset < `+a+`) {
xTexelR`+se+"C"+le+` = getX(batch, xR, xCOffset, d1);
} else {
xTexelR`+se+"C"+le+` = vec4(0.);
}
if(xC + 1 >= 0 && xC + 1 < `+a+`) {
xTexelR`+se+"C"+(le+2)+` = getX(batch, xR, xC + 1, d1);
} else {
xTexelR`+se+"C"+(le+2)+` = vec4(0.);
}
xR`+se+"C"+le+` = vec4(
xTexelR`+se+"C"+le+".zw, xTexelR"+se+"C"+(le+2)+`.zw);
`,le+1<Y&&(ce+=`
vec4 final = vec4(0.);
xCOffset = xC + 1 + `+f+`;
if(xCOffset >= 0 && xCOffset < `+a+`) {
final = getX(batch, xR, xCOffset, d1);
}
xR`+se+"C"+(le+1)+" = vec4(xTexelR"+se+"C"+(le+2)+`.xy, final.xy);
`)):(ce+=`
if(xC >= 0 && xC < `+a+`) {
xTexelR`+se+"C"+le+` = getX(batch, xR, xC, d1);
} else {
xTexelR`+se+"C"+le+` = vec4(0.);
}
xCOffset = xC + `+f+`;
if(xCOffset >= 0 && xCOffset < `+a+`) {
xTexelR`+se+"C"+(le+2)+` = getX(batch, xR, xCOffset, d1);
} else {
xTexelR`+se+"C"+(le+2)+` = vec4(0.);
}
xR`+se+"C"+le+` = vec4(
xTexelR`+se+"C"+le+".xy, xTexelR"+se+"C"+(le+2)+`.xy);
`,le+1<Y&&(ce+=`
xR`+se+"C"+(le+1)+` = vec4(
xTexelR`+se+"C"+le+".zw, xTexelR"+se+"C"+(le+2)+`.zw);
`)),ce+="}");le<Y&&(ce+=`
vec4 wTexelR`+se+"C"+le+" = getW("+se+", "+le+`, d1, q);
wR`+se+"C"+le+" = vec4(wTexelR"+se+"C"+le+".xz, wTexelR"+se+"C"+le+`.xz);
`,le+1<Y&&(ce+=`
vec4 wTexelR`+se+"C"+(le+1)+" = getW("+se+", "+(le+1)+`, d1, q);
wR`+se+"C"+(le+1)+` =
vec4(wTexelR`+se+"C"+(le+1)+".xz, wTexelR"+se+"C"+(le+1)+".xz);"))}for(se=0;se<j;se++)for(le=0;le<Y;le++)ce+="dotProd += xR"+se+"C"+le+" * wR"+se+"C"+le+";";var _e="",Te="";e&&(_e=t?`vec4 activation(vec4 a) {
vec4 b = getPreluActivationWeightsAtOutCoords();
`+e+`
}`:`vec4 activation(vec4 x) {
`+e+`
}`,Te="result = activation(result);");var Me=r?"result += getBiasAtOutCoords();":"";r&&this.variableNames.push("bias"),t&&this.variableNames.push("preluActivationWeights"),this.userCode=`
`+_e+`
const ivec2 strides = ivec2(`+u+", "+f+`);
const ivec2 pads = ivec2(`+i+", "+s+`);
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
ivec2 xRCCorner = coords.yz * strides - pads;
int d2 = coords.w;
int d1 = d2;
int q = 0;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
vec4 dotProd = vec4(0.);
`+ce+`
vec4 result = dotProd;
`+Me+`
`+Te+`
setOutput(result);
}
`},Lt=function(n,r,e,t,o){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];var a=n[0],i=n[1],s=n[2],u=n[3],f=r[0],C=e[0],k=e[1];this.outputShape=[f,C,k,u];var j=t==="bilinear"?1:0,Y=[i-1+".0",s-1+".0"],ne=Y[0],ce=Y[1],se=C>1?[""+(i-1)/(C-1),"(y2-y1) * height_ratio","y1*"+ne+" + float(y)*(height_scale)"]:["0.0","0.0","0.5 * (y1+y2) * "+ne],le=se[0],xe=se[1],Ee=se[2],_e=k>1?[""+(s-1)/(k-1),"(x2-x1) * width_ratio","x1*"+ce+" + float(x)*(width_scale)"]:["0.0","0.0","0.5 * (x1+x2) * "+ce],Te=_e[0],Me=_e[1],He=_e[2];this.userCode=`
const float height_ratio = float(`+le+`);
const float width_ratio = float(`+Te+`);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int y = coords[1];
int x = coords[2];
int d = coords[3];
// get box vals
float y1 = getBoxes(b,0);
float x1 = getBoxes(b,1);
float y2 = getBoxes(b,2);
float x2 = getBoxes(b,3);
// get image in batch index
int bInd = round(getBoxInd(b));
if(bInd < 0 || bInd >= `+a+`) {
return;
}
float height_scale = `+xe+`;
float width_scale = `+Me+`;
float in_y = `+Ee+`;
if( in_y < 0.0 || in_y > `+ne+` ) {
setOutput(float(`+o+`));
return;
}
float in_x = `+He+`;
if( in_x < 0.0 || in_x > `+ce+` ) {
setOutput(float(`+o+`));
return;
}
vec2 sourceFracIndexCR = vec2(in_x,in_y);
if(`+j+` == 1) {
// Compute the four integer indices.
ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);
ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));
float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);
float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);
float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);
float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);
vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);
float top = topLeft + (topRight - topLeft) * fracCR.x;
float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;
float newValue = top + (bottom - top) * fracCR.y;
setOutput(newValue);
} else {
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestCR = ivec2(floor(
sourceFracIndexCR + vec2(0.5,0.5)));
float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);
setOutput(newValue);
}
}
`},Zt=function(n,r,e){this.variableNames=["x"],this.outputShape=n;var t=n.length,o=n[n.length-1],a=e?"<":">";this.userCode=`
int getIndex(int i) {
`+(e?"return "+o+" -i - 1;":"return i;")+`
}
void main() {
`+Ge(t)+` coords = getOutputCoords();
int end = `+Qt(t,"coords")+`;
float val = 0.0;
for (int i = `+o+` - 1; i >= 0; i -= 1) {
int idx = getIndex(i);
if (idx `+a+` end) {
continue;
}
if (idx == end && `+r+`) {
continue;
}
`+Qt(t,"coords")+` = idx;
val += getX(`+function(i,s){if(i===1)return""+s;if(i===2)return s+".x, "+s+".y";if(i===3)return s+".x, "+s+".y, "+s+".z";if(i===4)return s+".x, "+s+".y, "+s+".z, "+s+".w";throw Error("Cumulative sum for rank "+i+" is not yet supported")}(t,"coords")+`);
}
setOutput(val);
}
`};function Qt(n,r){if(n===1)return""+r;if(n===2)return r+".y";if(n===3)return r+".z";if(n===4)return r+".w";throw Error("Cumulative sum for rank "+n+" is not yet supported")}var pr=function(n){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outPackingScheme=Mo.DENSE;var r=Or(n),e=Kr();this.outputShape=n,this.userCode=`
ivec3 outCoordsFromFlatIndex(int index) {
`+O(["r","c","d"],n)+`
return ivec3(r, c, d);
}
void main() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+r[0]+", "+r[1]+`));
int index = 4 * (resTexRC.x * `+r[1]+` + resTexRC.y);
vec4 result = vec4(0.);
for (int i=0; i<4; i++) {
int flatIndex = index + i;
ivec3 rc = outCoordsFromFlatIndex(flatIndex);
result[i] = getA(rc.x, rc.y, rc.z);
}
`+e.output+` = result;
}
`},Xt=function(n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=Mo.DENSE;var r=Or(n),e=Kr();this.outputShape=n,this.userCode=`
ivec3 outCoordsFromFlatIndex(int index) {
`+O(["r","c","d"],n)+`
return ivec3(r, c, d);
}
void main() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(`+r[0]+", "+r[1]+`));
int index = 4 * (resTexRC.x * `+r[1]+` + resTexRC.y);
vec4 result = vec4(0.);
for (int i=0; i<4; i++) {
int flatIndex = index + i;
ivec3 rc = outCoordsFromFlatIndex(flatIndex);
result[i] = getChannel(getA(rc.x, rc.y, rc.z), vec2(rc.y, rc.z));
}
`+e.output+` = result;
}
`},wr=function(){function n(r,e,t){this.variableNames=["x"],this.outputShape=[],this.outputShape=r,this.blockSize=e,this.dataFormat=t,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int h = `+this.getHeightCoordString()+`;
int w = `+this.getWidthCoordString()+`;
int d = `+this.getDepthCoordString()+`;
int in_h = h / `+e+`;
int offset_h = imod(h, `+e+`);
int in_w = w / `+e+`;
int offset_w = imod(w, `+e+`);
int offset_d = (offset_h * `+e+` + offset_w) *
`+this.getOutputDepthSize()+`;
int in_d = d + offset_d;
float result = `+this.getInputSamplingString()+`;
setOutput(result);
}
`}return n.prototype.getHeightCoordString=function(){return this.dataFormat==="NHWC"?"coords[1]":"coords[2]"},n.prototype.getWidthCoordString=function(){return this.dataFormat==="NHWC"?"coords[2]":"coords[3]"},n.prototype.getDepthCoordString=function(){return this.dataFormat==="NHWC"?"coords[3]":"coords[1]"},n.prototype.getOutputDepthSize=function(){return this.dataFormat==="NHWC"?this.outputShape[3]:this.outputShape[1]},n.prototype.getInputSamplingString=function(){return this.dataFormat==="NHWC"?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)"},n}(),ro=function(n){this.variableNames=["X"],this.outputShape=[n,n],this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;
setOutput(val);
}
`},Hn=function(n){this.variableNames=["A"],this.outTexUsage=Wr.DOWNLOAD;var r=Kr();this.outputShape=n,this.userCode=`
`+A+`
void main() {
float x = getAAtOutCoords();
`+r.output+` = encode_float(x);
}
`},Yo=function(n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=Wr.DOWNLOAD;var r=Kr();this.outputShape=n,this.userCode=`
`+A+`
void main() {
ivec3 coords = getOutputCoords();
float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));
`+r.output+` = encode_float(x);
}
`},Br=function(n,r,e){e===void 0&&(e=!1),this.variableNames=["A"];var t=Kr(),o=r[0],a=r[1];this.outputShape=n;var i="result";e&&(i="floor(result * 255. + 0.5)"),this.userCode=`
`+w(n)+`
void main() {
ivec3 coords = getOutputCoords();
int flatIndex = getFlatIndex(coords);
int offset = imod(flatIndex, 4);
flatIndex = idiv(flatIndex, 4, 1.);
int r = flatIndex / `+a+`;
int c = imod(flatIndex, `+a+`);
vec2 uv = (vec2(c, r) + halfCR) / vec2(`+a+".0, "+o+`.0);
vec4 values = `+t.texture2D+`(A, uv);
float result;
if(offset == 0) {
result = values[0];
} else if(offset == 1) {
result = values[1];
} else if(offset == 2) {
result = values[2];
} else {
result = values[3];
}
`+t.output+" = vec4("+i+`, 0., 0., 0.);
}
`},Ra=function(n,r,e){e===void 0&&(e=!1),this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var t=Kr(),o=r[0],a=r[1];this.outputShape=n;var i="",s="result";e&&(s="floor(result * 255. + 0.5)");for(var u=0;u<=1;u++)for(var f=0;f<=1;f++){var C=2*u+f;i+=`
localCoords = coords;
if(localCoords[2] + `+f+" < "+n[2]+`) {
localCoords[2] += `+f+`;
if(localCoords[1] + `+u+" < "+n[1]+`) {
localCoords[1] += `+u+`;
flatIndex = getFlatIndex(localCoords);
offset = imod(flatIndex, 4);
flatIndex = idiv(flatIndex, 4, 1.);
r = flatIndex / `+a+`;
c = imod(flatIndex, `+a+`);
uv = (vec2(c, r) + halfCR) / vec2(`+a+".0, "+o+`.0);
values = `+t.texture2D+`(A, uv);
if(offset == 0) {
result[`+C+`] = values[0];
} else if(offset == 1) {
result[`+C+`] = values[1];
} else if(offset == 2) {
result[`+C+`] = values[2];
} else {
result[`+C+`] = values[3];
}
}
}
`}this.userCode=`
`+w(n)+`
void main() {
ivec3 coords = getOutputCoords();
vec4 result = vec4(0.);
int flatIndex, r, c, offset;
ivec3 localCoords;
vec2 uv;
vec4 values;
`+i+`
`+t.output+" = "+s+`;
}
`},pi="return real * expR - imag * expI;",mi="return real * expI + imag * expR;",Ia=function(n,r,e){this.variableNames=["real","imag"];var t=r[1];this.outputShape=r;var o=e?"2.0 * "+Math.PI:"-2.0 * "+Math.PI,a=e?t+".0":"1.0";this.userCode=`
const float exponentMultiplier = `+o+`;
float unaryOpComplex(float real, float expR, float imag, float expI) {
`+n+`
}
float mulMatDFT(int batch, int index) {
float indexRatio = float(index) / float(`+t+`);
float exponentMultiplierTimesIndexRatio =
exponentMultiplier * indexRatio;
float result = 0.0;
for (int i = 0; i < `+t+`; i++) {
// x = (-2|2 * PI / N) * index * i;
float x = exponentMultiplierTimesIndexRatio * float(i);
float expR = cos(x);
float expI = sin(x);
float real = getReal(batch, i);
float imag = getImag(batch, i);
result +=
unaryOpComplex(real, expR, imag, expI) / `+a+`;
}
return result;
}
void main() {
ivec2 coords = getOutputCoords();
setOutput(mulMatDFT(coords[0], coords[1]));
}
`},vi=function(){function n(r,e){this.outputShape=[],this.variableNames=["x"],this.outputShape=r,this.userCode=`
uniform float value;
void main() {
// Input can be obtained from uniform value.
setOutput(value);
}
`}return n.prototype.getCustomSetupFunc=function(r){var e=this;return function(t,o){e.valueLoc==null&&(e.valueLoc=t.getUniformLocationNoThrow(o,"value")),t.gl.uniform1f(e.valueLoc,r)}},n}(),br=function(n,r,e){this.variableNames=["A","indices"];var t=n.slice();t[e]=r,this.outputShape=t,this.rank=t.length;var o=Ge(this.rank),a=function(i,s){var u=i.length;if(u>4)throw Error("Gather for rank "+u+" is not yet supported");if(u===1)return"int(getIndices(resRC))";for(var f=["resRC.x","resRC.y","resRC.z","resRC.w"],C=[],k=0;k<i.length;k++)k===s?C.push("int(getIndices("+f[k]+"))"):C.push(""+f[k]);return C.join()}(n,e);this.userCode=`
void main() {
`+o+` resRC = getOutputCoords();
setOutput(getA(`+a+`));
}
`},gi=function(n,r,e){this.sliceDim=n,this.strides=r,this.variableNames=["x","indices"],this.outputShape=e;var t=Ge(r.length),o=Ge(e.length),a=this.sliceDim>1?"strides[j]":"strides";this.userCode=`
`+t+" strides = "+t+"("+this.strides+`);
void main() {
`+o+` coords = getOutputCoords();
int flattenIndex = 0;
for (int j = 0; j < `+this.sliceDim+`; j++) {
int index = round(getIndices(coords[0], j));
flattenIndex += index * `+a+`;
}
setOutput(getX(flattenIndex, coords[1]));
}
`};function yi(n,r){var e=Kr();return ws(n,r,e.version+`
precision highp float;
`+e.attribute+` vec3 clipSpacePos;
`+e.attribute+` vec2 uv;
`+e.varyingVs+` vec2 resultUV;
void main() {
gl_Position = vec4(clipSpacePos, 1);
resultUV = uv;
}`)}function bi(n,r){return na(n,r,new Float32Array([-1,1,0,0,1,-1,-1,0,0,0,1,1,0,1,1,1,-1,0,1,0]))}function iu(n,r){return Xa(n,r,new Uint16Array([0,1,2,2,1,3]))}function In(n,r,e,t,o,a,i){aa(e,t);var s=oa(n,r),u=n.TEXTURE_2D;return St(n,r,function(){return n.bindTexture(u,s)}),St(n,r,function(){return n.texParameteri(u,n.TEXTURE_WRAP_S,n.CLAMP_TO_EDGE)}),St(n,r,function(){return n.texParameteri(u,n.TEXTURE_WRAP_T,n.CLAMP_TO_EDGE)}),St(n,r,function(){return n.texParameteri(u,n.TEXTURE_MIN_FILTER,n.NEAREST)}),St(n,r,function(){return n.texParameteri(u,n.TEXTURE_MAG_FILTER,n.NEAREST)}),St(n,r,function(){return n.texImage2D(u,0,o,e,t,0,a,i,null)}),St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,null)}),s}function $o(n,r,e,t,o){var a=Yn(e,t);return In(n,r,a[0],a[1],o.internalFormatFloat,o.textureFormatFloat,n.FLOAT)}function hc(n,r,e,t,o){var a=Yn(e,t);return In(n,r,a[0],a[1],o.internalFormatHalfFloat,o.textureFormatFloat,o.textureTypeHalfFloat)}function pc(n,r,e,t,o){var a=Yn(e,t);return In(n,r,a[0],a[1],n.RGBA,n.RGBA,n.UNSIGNED_BYTE)}function mc(n,r,e,t,o){var a=$n(e,t);return In(n,r,a[0],a[1],o.internalFormatPackedFloat,n.RGBA,n.FLOAT)}function vc(n,r,e,t,o){var a=$n(e,t);return In(n,r,a[0],a[1],o.internalFormatPackedHalfFloat,n.RGBA,o.textureTypeHalfFloat)}function gc(n,r,e,t){return St(n,r,function(){return n.bindBuffer(n.ARRAY_BUFFER,t)}),ln(n,r,e,"clipSpacePos",t,3,20,0)&&ln(n,r,e,"uv",t,2,20,12)}function yc(n,r,e,t,o,a,i){var s,u,f;St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,e)}),a instanceof Uint8Array?(s=new Uint8Array(t*o*4),u=n.UNSIGNED_BYTE,f=n.RGBA):(s=new Float32Array(t*o*4),u=n.FLOAT,f=i.internalFormatPackedFloat),s.set(a),St(n,r,function(){return n.texImage2D(n.TEXTURE_2D,0,f,t,o,0,n.RGBA,u,s)}),St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,null)})}function bc(n,r,e,t){St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,e)}),t.data instanceof Uint8Array?St(n,r,function(){return n.texImage2D(n.TEXTURE_2D,0,n.RGBA,t.width,t.height,0,n.RGBA,n.UNSIGNED_BYTE,t.data)}):St(n,r,function(){return n.texImage2D(n.TEXTURE_2D,0,n.RGBA,n.RGBA,n.UNSIGNED_BYTE,t)}),St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,null)})}function xc(n,r,e,t,o){var a=n.createBuffer();St(n,r,function(){return n.bindBuffer(n.PIXEL_PACK_BUFFER,a)});var i=16*e*t;return St(n,r,function(){return n.bufferData(n.PIXEL_PACK_BUFFER,i,n.STREAM_READ)}),St(n,r,function(){return n.readPixels(0,0,t,e,n.RGBA,n.FLOAT,0)}),St(n,r,function(){return n.bindBuffer(n.PIXEL_PACK_BUFFER,null)}),a}function wc(n,r,e){var t=n,o=new Float32Array(e);return t.bindBuffer(t.PIXEL_PACK_BUFFER,r),t.getBufferSubData(t.PIXEL_PACK_BUFFER,0,o),t.bindBuffer(t.PIXEL_PACK_BUFFER,null),o}function Ec(n,r,e,t,o){var a=Yn(e,t),i=a[0],s=a[1],u=new Uint8Array(e*t*4);return St(n,r,function(){return n.readPixels(0,0,i,s,o.downloadTextureFormat,n.UNSIGNED_BYTE,u)}),new Float32Array(u.buffer)}function _c(n,r,e,t,o,a,i,s){var u=n,f=new Float32Array(function(C,k){var j=$n(C,k);return j[0]*j[1]*4}(a,i));return u.bindBuffer(u.PIXEL_PACK_BUFFER,r),u.getBufferSubData(u.PIXEL_PACK_BUFFER,0,f),u.bindBuffer(u.PIXEL_PACK_BUFFER,null),f}function Cc(n,r,e,t){var o=new Float32Array(e*t*4);return St(n,r,function(){return n.readPixels(0,0,t,e,n.RGBA,n.FLOAT,o)}),o}var ld=Object.freeze({createVertexShader:yi,createVertexBuffer:bi,createIndexBuffer:iu,createFloat32MatrixTexture:$o,createFloat16MatrixTexture:hc,createUnsignedBytesMatrixTexture:pc,createPackedMatrixTexture:mc,createFloat16PackedMatrixTexture:vc,bindVertexProgramAttributeStreams:gc,uploadDenseMatrixToTexture:yc,uploadPixelDataToTexture:bc,createBufferFromOutputTexture:xc,downloadFloat32MatrixFromBuffer:wc,downloadByteEncodedFloatMatrixFromOutputTexture:Ec,downloadPackedMatrixFromBuffer:_c,downloadMatrixFromPackedOutputTexture:Cc}),Tc=function(){function n(r){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];var e=p().getNumber("WEBGL_VERSION");r!=null?(this.gl=r,Ga(e,r)):this.gl=vn(e);var t="WEBGL_color_buffer_float";if(p().getNumber("WEBGL_VERSION")===1){if(this.textureFloatExtension=Fo(this.gl,this.debug,"OES_texture_float"),Jr(this.gl,"OES_texture_half_float"))this.textureHalfFloatExtension=Fo(this.gl,this.debug,"OES_texture_half_float");else if(p().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support half float textures, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");if(this.colorBufferFloatExtension=this.gl.getExtension(t),Jr(this.gl,"EXT_color_buffer_half_float"))this.colorBufferHalfFloatExtension=Fo(this.gl,this.debug,"EXT_color_buffer_half_float");else if(p().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support color renderable half floats, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.")}else if(t="EXT_color_buffer_float",Jr(this.gl,t))this.colorBufferFloatExtension=this.gl.getExtension(t);else{if(!Jr(this.gl,"EXT_color_buffer_half_float"))throw new Error("GL context does not support color renderable floats");this.colorBufferHalfFloatExtension=this.gl.getExtension("EXT_color_buffer_half_float")}this.vertexBuffer=bi(this.gl,this.debug),this.indexBuffer=iu(this.gl,this.debug),this.framebuffer=Sn(this.gl,this.debug),this.textureConfig=Po(this.gl,this.textureHalfFloatExtension)}return Object.defineProperty(n.prototype,"debug",{get:function(){return p().getBool("DEBUG")},enumerable:!0,configurable:!0}),n.prototype.dispose=function(){var r=this;if(!this.disposed){this.program!=null&&console.warn("Disposing a GPGPUContext that still has a bound WebGLProgram. This is probably a resource leak, delete the program with GPGPUContext.deleteProgram before disposing."),this.outputTexture!=null&&console.warn("Disposing a GPGPUContext that still has a bound output matrix texture. This is probably a resource leak, delete the output matrix texture with GPGPUContext.deleteMatrixTexture before disposing.");var e=this.gl;St(e,this.debug,function(){return e.finish()}),St(e,this.debug,function(){return e.bindFramebuffer(e.FRAMEBUFFER,null)}),St(e,this.debug,function(){return e.deleteFramebuffer(r.framebuffer)}),St(e,this.debug,function(){return e.bindBuffer(e.ARRAY_BUFFER,null)}),St(e,this.debug,function(){return e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null)}),St(e,this.debug,function(){return e.deleteBuffer(r.indexBuffer)}),this.disposed=!0}},n.prototype.createFloat32MatrixTexture=function(r,e){return this.throwIfDisposed(),$o(this.gl,this.debug,r,e,this.textureConfig)},n.prototype.createFloat16MatrixTexture=function(r,e){return this.throwIfDisposed(),hc(this.gl,this.debug,r,e,this.textureConfig)},n.prototype.createUnsignedBytesMatrixTexture=function(r,e){return this.throwIfDisposed(),pc(this.gl,this.debug,r,e,this.textureConfig)},n.prototype.uploadPixelDataToTexture=function(r,e){this.throwIfDisposed(),bc(this.gl,this.debug,r,e)},n.prototype.uploadDenseMatrixToTexture=function(r,e,t,o){this.throwIfDisposed(),yc(this.gl,this.debug,r,e,t,o,this.textureConfig)},n.prototype.createFloat16PackedMatrixTexture=function(r,e){return this.throwIfDisposed(),vc(this.gl,this.debug,r,e,this.textureConfig)},n.prototype.createPackedMatrixTexture=function(r,e){return this.throwIfDisposed(),mc(this.gl,this.debug,r,e,this.textureConfig)},n.prototype.deleteMatrixTexture=function(r){var e=this;this.throwIfDisposed(),this.outputTexture===r&&(sa(this.gl,this.debug,this.framebuffer),this.outputTexture=null),St(this.gl,this.debug,function(){return e.gl.deleteTexture(r)})},n.prototype.downloadByteEncodedFloatMatrixFromOutputTexture=function(r,e,t){var o=this;return this.downloadMatrixDriver(r,function(){return Ec(o.gl,o.debug,e,t,o.textureConfig)})},n.prototype.downloadPackedMatrixFromBuffer=function(r,e,t,o,a,i){return _c(this.gl,r,0,0,0,a,i,this.textureConfig)},n.prototype.downloadFloat32MatrixFromBuffer=function(r,e){return wc(this.gl,r,e)},n.prototype.createBufferFromTexture=function(r,e,t){this.bindTextureToFrameBuffer(r);var o=xc(this.gl,this.debug,e,t,this.textureConfig);return this.unbindTextureToFrameBuffer(),o},n.prototype.createAndWaitForFence=function(){var r=this.createFence(this.gl);return this.pollFence(r)},n.prototype.createFence=function(r){var e,t,o=this;if(p().getBool("WEBGL_FENCE_API_ENABLED")){var a=r,i=a.fenceSync(a.SYNC_GPU_COMMANDS_COMPLETE,0);r.flush(),t=function(){var s=a.clientWaitSync(i,0,0);return s===a.ALREADY_SIGNALED||s===a.CONDITION_SATISFIED},e=i}else p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(e=this.beginQuery(),this.endQuery(),t=function(){return o.isQueryAvailable(e,p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))}):t=function(){return!0};return{query:e,isFencePassed:t}},n.prototype.downloadMatrixFromPackedTexture=function(r,e,t){var o=this;return this.downloadMatrixDriver(r,function(){return Cc(o.gl,o.debug,e,t)})},n.prototype.createProgram=function(r){this.throwIfDisposed();var e=this.gl,t=gn(e,this.debug,r),o=yi(e,this.debug),a=an(e,this.debug);return St(e,this.debug,function(){return e.attachShader(a,o)}),St(e,this.debug,function(){return e.attachShader(a,t)}),yn(e,this.debug,a),this.debug&&Jn(e,this.debug,a),this.vertexAttrsAreBound||(this.setProgram(a),this.vertexAttrsAreBound=gc(e,this.debug,this.program,this.vertexBuffer)),a},n.prototype.deleteProgram=function(r){var e=this;this.throwIfDisposed(),r===this.program&&(this.program=null),r!=null&&St(this.gl,this.debug,function(){return e.gl.deleteProgram(r)})},n.prototype.setProgram=function(r){var e=this;this.throwIfDisposed(),this.program=r,this.program!=null&&this.debug&&Jn(this.gl,this.debug,this.program),St(this.gl,this.debug,function(){return e.gl.useProgram(r)})},n.prototype.getUniformLocation=function(r,e,t){return t===void 0&&(t=!0),this.throwIfDisposed(),t?Ai(this.gl,this.debug,r,e):Ya(this.gl,r,e)},n.prototype.getAttributeLocation=function(r,e){var t=this;return this.throwIfDisposed(),St(this.gl,this.debug,function(){return t.gl.getAttribLocation(r,e)})},n.prototype.getUniformLocationNoThrow=function(r,e){return this.throwIfDisposed(),this.gl.getUniformLocation(r,e)},n.prototype.setInputMatrixTexture=function(r,e,t){this.throwIfDisposed(),this.throwIfNoProgram(),$a(this.gl,this.debug,this.program,r,e,t)},n.prototype.setOutputMatrixTexture=function(r,e,t){this.setOutputMatrixTextureDriver(r,t,e)},n.prototype.setOutputPackedMatrixTexture=function(r,e,t){this.throwIfDisposed();var o=$n(e,t),a=o[0],i=o[1];this.setOutputMatrixTextureDriver(r,a,i)},n.prototype.setOutputMatrixWriteRegion=function(r,e,t,o){this.setOutputMatrixWriteRegionDriver(t,r,o,e)},n.prototype.setOutputPackedMatrixWriteRegion=function(r,e,t,o){throw new Error("setOutputPackedMatrixWriteRegion not implemented.")},n.prototype.debugValidate=function(){this.program!=null&&Jn(this.gl,this.debug,this.program),$r(this.gl)},n.prototype.executeProgram=function(){this.throwIfDisposed(),this.throwIfNoProgram();var r=this.gl;this.debug&&this.debugValidate(),St(r,this.debug,function(){return r.drawElements(r.TRIANGLES,6,r.UNSIGNED_SHORT,0)})},n.prototype.blockUntilAllProgramsCompleted=function(){var r=this;this.throwIfDisposed(),St(this.gl,this.debug,function(){return r.gl.finish()})},n.prototype.getQueryTimerExtension=function(){return this.disjointQueryTimerExtension==null&&(this.disjointQueryTimerExtension=Fo(this.gl,this.debug,p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")===2?"EXT_disjoint_timer_query_webgl2":"EXT_disjoint_timer_query")),this.disjointQueryTimerExtension},n.prototype.getQueryTimerExtensionWebGL2=function(){return this.getQueryTimerExtension()},n.prototype.getQueryTimerExtensionWebGL1=function(){return this.getQueryTimerExtension()},n.prototype.beginQuery=function(){if(p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")===2){var r=this.gl,e=this.getQueryTimerExtensionWebGL2(),t=r.createQuery();return r.beginQuery(e.TIME_ELAPSED_EXT,t),t}var o=this.getQueryTimerExtensionWebGL1(),a=o.createQueryEXT();return o.beginQueryEXT(o.TIME_ELAPSED_EXT,a),a},n.prototype.endQuery=function(){if(p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")!==2){var r=this.getQueryTimerExtensionWebGL1();r.endQueryEXT(r.TIME_ELAPSED_EXT)}else{var e=this.gl,t=this.getQueryTimerExtensionWebGL2();e.endQuery(t.TIME_ELAPSED_EXT)}},n.prototype.waitForQueryAndGetTime=function(r){return E(this,void 0,void 0,function(){var e=this;return g(this,function(t){switch(t.label){case 0:return[4,H(function(){return e.disposed||e.isQueryAvailable(r,p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))})];case 1:return t.sent(),[2,this.getQueryTime(r,p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))]}})})},n.prototype.getQueryTime=function(r,e){if(e===0)return null;if(e===2){var t=this.gl;return t.getQueryParameter(r,t.QUERY_RESULT)/1e6}var o=this.getQueryTimerExtensionWebGL1();return o.getQueryObjectEXT(r,o.QUERY_RESULT_EXT)/1e6},n.prototype.isQueryAvailable=function(r,e){if(e===0)return!0;if(e===2){var t=this.gl,o=this.getQueryTimerExtensionWebGL2(),a=t.getQueryParameter(r,t.QUERY_RESULT_AVAILABLE);return this.disjoint==null&&(this.disjoint=this.gl.getParameter(o.GPU_DISJOINT_EXT)),a&&!this.disjoint}return a=(o=this.getQueryTimerExtensionWebGL1()).getQueryObjectEXT(r,o.QUERY_RESULT_AVAILABLE_EXT),this.disjoint==null&&(this.disjoint=this.gl.getParameter(o.GPU_DISJOINT_EXT)),a&&!this.disjoint},n.prototype.pollFence=function(r){var e=this;return new Promise(function(t){e.addItemToPoll(function(){return r.isFencePassed()},function(){return t()})})},n.prototype.pollItems=function(){for(var r=function(t){for(var o=0;o<t.length&&t[o]();++o);return o-1}(this.itemsToPoll.map(function(t){return t.isDoneFn})),e=0;e<=r;++e)(0,this.itemsToPoll[e].resolveFn)();this.itemsToPoll=this.itemsToPoll.slice(r+1)},n.prototype.addItemToPoll=function(r,e){var t=this;this.itemsToPoll.push({isDoneFn:r,resolveFn:e}),this.itemsToPoll.length>1||H(function(){return t.pollItems(),t.itemsToPoll.length===0})},n.prototype.bindTextureToFrameBuffer=function(r){this.throwIfDisposed(),ia(this.gl,this.debug,r,this.framebuffer),this.debug&&$r(this.gl)},n.prototype.unbindTextureToFrameBuffer=function(){this.outputTexture!=null?(ia(this.gl,this.debug,this.outputTexture,this.framebuffer),this.debug&&$r(this.gl)):sa(this.gl,this.debug,this.framebuffer)},n.prototype.downloadMatrixDriver=function(r,e){this.bindTextureToFrameBuffer(r);var t=e();return this.unbindTextureToFrameBuffer(),t},n.prototype.setOutputMatrixTextureDriver=function(r,e,t){this.throwIfDisposed();var o=this.gl;ia(o,this.debug,r,this.framebuffer),this.debug&&$r(o),this.outputTexture=r,St(o,this.debug,function(){return o.viewport(0,0,e,t)}),St(o,this.debug,function(){return o.scissor(0,0,e,t)})},n.prototype.setOutputMatrixWriteRegionDriver=function(r,e,t,o){var a=this;this.throwIfDisposed(),St(this.gl,this.debug,function(){return a.gl.scissor(r,e,t,o)})},n.prototype.throwIfDisposed=function(){if(this.disposed)throw new Error("Attempted to use disposed GPGPUContext.")},n.prototype.throwIfNoProgram=function(){if(this.program==null)throw new Error("No GPU program is currently set.")},n}();function Sc(n,r){if(n.length!==r.length)throw Error("Binary was compiled with "+n.length+" inputs, but was executed with "+r.length+" inputs");n.forEach(function(e,t){var o=e.logicalShape,a=r[t],i=a.shape;if(!we(o,i))throw Error("Binary was compiled with different shapes than the current args. Shapes "+o+" and "+i+" must match");if(!e.isUniform||!a.isUniform){var s=e.texShape,u=a.isUniform?null:a.texData.texShape;if(!we(s,u))throw Error("Binary was compiled with different texture shapes than the current args. Shape "+s+" and "+u+" must match")}})}var dd=function(n,r,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n;for(var t=e.filterWidth,o=e.inChannels,a=e.strideWidth,i=e.strideHeight,s=e.padInfo,u=e.outWidth,f=e.dilationWidth,C=e.dilationHeight,k=e.dataFormat,j=s.left,Y=s.top,ne=o*t,ce=Kr(),se=k==="channelsLast",le=se?0:1,xe=se?1:2,Ee="",_e=0;_e<=1;_e++)for(var Te=0;Te<=1;Te++)Ee+=`
blockIndex = rc.y + `+Te+`;
pos = rc.x + `+_e+`;
if(blockIndex < `+n[1]+" && pos < "+n[0]+`) {
offsetY = int(blockIndex / (`+u+")) * "+i+" - "+Y+`;
d0 = offsetY + `+C+" * (pos / "+ne+`);
if(d0 < `+r[le]+` && d0 >= 0) {
offsetX = int(mod(float(blockIndex), `+u+".) * "+a+". - "+j+`.);
d1 = offsetX + `+f+" * (int(mod(float(pos), "+ne+".) / "+o+`.));
if(d1 < `+r[xe]+` && d1 >= 0) {
ch = int(mod(float(pos), `+o+`.));
if (`+se+`) {
innerDims = vec2(d1, ch);
result[`+(2*_e+Te)+`] = getChannel(
getA(d0, int(innerDims.x),
int(innerDims.y)), innerDims);
} else {
innerDims = vec2(d0, d1);
result[`+(2*_e+Te)+`] = getChannel(
getA(ch, int(innerDims.x),
int(innerDims.y)), innerDims);
}
}
}
}
`;this.userCode=`
void main() {
ivec2 rc = getOutputCoords();
vec4 result = vec4(0);
int blockIndex, pos, offsetY, d0, offsetX, d1, ch;
vec2 innerDims;
`+Ee+`
`+ce.output+` = result;
}
`},fd=function(n,r,e,t,o){this.variableNames=["x"],this.outputShape=[];var a,i=r,s=n[3]-1;this.outputShape=n;var u="float("+e+") + float("+t+") * sum";a=o===.5?"inversesqrt("+u+")":o===1?"1.0/("+u+")":"exp(log("+u+") * float(-"+o+"));",this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int r = coords[1];
int c = coords[2];
int d = coords[3];
float x = getX(b, r, c, d);
float sum = 0.0;
for (int j = -`+i+"; j <= "+i+`; j++) {
int idx = d + j;
if (idx >= 0 && idx <= `+s+`) {
float z = getX(b, r, c, idx);
sum += z * z;
}
}
float val = x * `+a+`;
setOutput(val);
}
`},hd=function(n,r,e,t,o){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=n,this.depth=n[3],this.depthRadius=r,this.bias=e,this.alpha=t,this.beta=o,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int r = coords[1];
int c = coords[2];
float result = 0.0;
for (int d = 0; d < `+this.depth+`; ++d) {
int depthBegin = int(max(0.0, float(d - `+r+`)));
int depthEnd = int(min(float(`+this.depth+`),
float(d + `+r+` + 1)));
const int MIN_DEPTH_BEGIN = 0;
const int MAX_DEPTH_END = `+this.depth+`;
float norm = 0.0;
for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {
if (k < depthBegin){
continue;
}
else if (k >= depthBegin && k < depthEnd) {
norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);
}
else {
break;
}
}
norm = float(`+t+") * norm + float("+e+`);
for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){
if (k < depthBegin){
continue;
}
else if (k >= depthBegin && k < depthEnd){
float dyi = -2.0 * float(`+t+`)
* float(`+o+`)
* getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)
/ norm;
if (k == d) {
dyi += pow(norm, -1.0 * `+o+`);
}
if (k == coords[3]) {
dyi *= getDy(b, r, c, d);
result += dyi;
}
}
else {
break;
}
}
}
setOutput(result);
}
`},pd=function(n,r,e,t,o){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;var a,i=r,s=n[3]-1;this.outputShape=n;var u="float("+e+") + float("+t+") * sum";a=o===.5?"inversesqrt("+u+")":o===1?"1.0/("+u+")":"exp(log("+u+") * float(-"+o+"));",this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords.x;
int r = coords.y;
int c = coords.z;
int d = coords.w;
bool hasNextCol = d < `+this.outputShape[3]+`;
bool hasNextRow = c < `+this.outputShape[2]+`;
vec4 sum = vec4(0.);
vec4 xFragAtOutputCoords = getX(b, r, c, d);
vec4 xAtOutputCoords = vec4(
getChannel(xFragAtOutputCoords, vec2(c, d)),
hasNextCol ?
getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,
hasNextRow ?
getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,
(hasNextRow && hasNextCol) ?
getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0
);
int firstChannel = d - `+i+`;
vec2 cache = vec2(0.);
if(firstChannel >= 0){
vec4 firstChannelFrag = getX(b, r, c, firstChannel);
cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));
if(hasNextRow){
cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));
}
}
ivec2 depth = ivec2(d, d + 1);
for (int j = - `+i+"; j <= "+i+`; j++) {
ivec2 idx = depth + j;
bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));
bvec2 belowUpperBound = lessThanEqual(idx, ivec2(`+s+`));
bool depthInRange = aboveLowerBound.x && belowUpperBound.x;
bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;
if(depthInRange || depthPlusOneInRange){
vec4 z = vec4(0.);
vec4 xFragAtCurrentDepth;
z.xz = cache.xy;
if(depthPlusOneInRange && hasNextCol){
xFragAtCurrentDepth = idx.y != d ?
getX(b, r, c, idx.y) : xFragAtOutputCoords;
z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));
if(hasNextRow){
z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));
}
}
cache.xy = z.yw;
sum += z * z;
}
}
vec4 result = xAtOutputCoords * `+a+`;
setOutput(result);
}
`},md=function(n){this.variableNames=["dy","maxPos"],this.outputShape=n.inShape;var r=n.strideHeight,e=n.strideWidth,t=n.dilationHeight,o=n.effectiveFilterHeight,a=n.effectiveFilterWidth,i=o-1-n.padInfo.top,s=a-1-n.padInfo.left,u=o*a-1;this.userCode=`
const ivec2 pads = ivec2(`+i+", "+s+`);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 dyRCCorner = coords.yz - pads;
int dyRCorner = dyRCCorner.x;
int dyCCorner = dyRCCorner.y;
// Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < `+o+`;
wR += `+t+`) {
float dyR = float(dyRCorner + wR) / `+r+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 || fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < `+a+`; wC++) {
float dyC = float(dyCCorner + wC) / `+e+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(b, idyR, idyC, d);
int maxPosValue = `+u+` - int(getMaxPos(b, idyR, idyC, d));
// Get the current value, check it against the value from the
// position matrix.
int curPosValue = wR * `+a+` + wC;
float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);
dotProd += dyValue * mask;
}
}
setOutput(dotProd);
}
`},vd=function(n){this.variableNames=["dy","maxPos"],this.outputShape=n.inShape;var r=n.strideDepth,e=n.strideHeight,t=n.strideWidth,o=n.dilationDepth,a=n.dilationHeight,i=n.dilationWidth,s=n.effectiveFilterDepth,u=n.effectiveFilterHeight,f=n.effectiveFilterWidth,C=s-1-n.padInfo.front,k=u-1-n.padInfo.top,j=f-1-n.padInfo.left,Y=s*u*f-1;this.userCode=`
const ivec3 pads = ivec3(`+C+", "+k+", "+j+`);
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
int dyDCorner = dyCorner.x;
int dyRCorner = dyCorner.y;
int dyCCorner = dyCorner.z;
// Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get
// dx(xD, xR, xC, ch).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wD = 0; wD < `+s+`;
wD += `+o+`) {
float dyD = float(dyDCorner + wD) / `+r+`.0;
if (dyD < 0.0 || dyD >= `+n.outDepth+`.0 || fract(dyD) > 0.0) {
continue;
}
int idyD = int(dyD);
for (int wR = 0; wR < `+u+`;
wR += `+a+`) {
float dyR = float(dyRCorner + wR) / `+e+`.0;
if (dyR < 0.0 || dyR >= `+n.outHeight+`.0 ||
fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < `+f+`;
wC += `+i+`) {
float dyC = float(dyCCorner + wC) / `+t+`.0;
if (dyC < 0.0 || dyC >= `+n.outWidth+`.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(batch, idyD, idyR, idyC, ch);
int maxPosValue = `+Y+` -
int(getMaxPos(batch, idyD, idyR, idyC, ch));
// Get the current value, check it against the value from the
// position matrix.
int curPosValue =
wD * `+u+" * "+f+` +
wR * `+f+` + wC;
float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);
dotProd += dyValue * mask;
}
}
}
setOutput(dotProd);
}
`},su=function(n,r,e,t,o,a,i){e===void 0&&(e=!1),t===void 0&&(t=!1),o===void 0&&(o=!1),a===void 0&&(a=null),i===void 0&&(i=!1),this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=r;var s=e?n[1]:n[2],u=Math.ceil(s/2),f=e?"i * 2, rc.y":"rc.y, i * 2",C=t?"rc.z, i * 2":"i * 2, rc.z",k=e?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],j=t?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],Y="",ne="";a&&(Y=i?`vec4 activation(vec4 a) {
vec4 b = getPreluActivationWeightsAtOutCoords();
`+a+`
}`:`vec4 activation(vec4 x) {
`+a+`
}`,ne="result = activation(result);");var ce=o?"result += getBiasAtOutCoords();":"";o&&this.variableNames.push("bias"),i&&this.variableNames.push("preluActivationWeights"),this.userCode=`
`+Y+`
const float sharedDimension = `+u+`.0;
vec4 dot2x2ARowBCol(ivec3 rc) {
vec4 result = vec4(0);
for (int i = 0; i < `+u+`; i++) {
vec4 a = getMatrixA(rc.x, `+f+`);
vec4 b = getMatrixB(rc.x, `+C+`);
// These swizzled products need to be separately added.
// See: https://github.com/tensorflow/tfjs/issues/1735
result += (`+k[0]+" * "+j[0]+`);
result += (`+k[1]+" * "+j[1]+`);
}
return result;
}
void main() {
ivec3 rc = getOutputCoords();
vec4 result = dot2x2ARowBCol(rc);
`+ce+`
`+ne+`
setOutput(result);
}
`},gd=function(){function n(r,e,t){this.variableNames=["probs"],this.outputShape=[r,t],this.userCode=`
uniform float seed;
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
float r = random(seed);
float cdf = 0.0;
for (int i = 0; i < `+(e-1)+`; i++) {
cdf += getProbs(batch, i);
if (r < cdf) {
setOutput(float(i));
return;
}
}
// If no other event happened, last event happened.
setOutput(float(`+(e-1)+`));
}
`}return n.prototype.getCustomSetupFunc=function(r){var e=this;return function(t,o){e.seedLoc==null&&(e.seedLoc=t.getUniformLocation(o,"seed")),t.gl.uniform1f(e.seedLoc,r)}},n}(),yd=function(n,r,e,t){this.variableNames=["indices"],this.outputShape=[n,r],this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int index = round(getIndices(coords.x));
setOutput(mix(float(`+t+"), float("+e+`),
float(index == coords.y)));
}
`},bd=function(n){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outputShape=n;var r=n.length;if(r===0)this.userCode=`
void main() {
setOutput(vec4(getA(), 0., 0., 0.));
}
`;else{var e=en("rc",r),t=Ge(r),o=function(s,u,f){if(s===1)return"rc > "+u[0];for(var C="",k=s-2;k<s;k++)C+=f[k]+" >= "+u[k],k<s-1&&(C+="||");return C}(r,n,e),a=function(s,u,f,C){if(s===1)return"";var k=C.slice(-2);return`
int r = `+k[0]+`;
int c = `+k[1]+`;
int rp1 = r + 1;
int cp1 = c + 1;
bool cEdge = cp1 >= `+u+`;
bool rEdge = rp1 >= `+f+`;
`}(r,n[n.length-1],n[n.length-2],e),i=function(s,u){var f=s.length,C=function(k,j){for(var Y=[],ne=0;ne<=1;ne++)for(var ce=0;ce<=1;ce++){for(var se=(ne===0?"r":"rp1")+", "+(ce===0?"c":"cp1"),le=2;le<k;le++)se=j[j.length-1-le]+","+se;Y.push(se)}return Y}(f,u);return f===1?`getA(rc),
rc + 1 >= `+s[0]+` ? 0. : getA(rc + 1),
0, 0`:"getA("+C[0]+`),
cEdge ? 0. : getA(`+C[1]+`),
rEdge ? 0. : getA(`+C[2]+`),
rEdge || cEdge ? 0. : getA(`+C[3]+")"}(n,e);this.userCode=`
void main() {
`+t+` rc = getOutputCoords();
if(`+o+`) {
setOutput(vec4(0));
} else {
`+a+`
setOutput(vec4(`+i+`));
}
}
`}},xd=function(n,r,e){this.variableNames=["x"],this.outputShape=r.map(function(u,f){return u[0]+n[f]+u[1]});var t=n.length,o=Ge(t),a=r.map(function(u){return u[0]}).join(","),i=r.map(function(u,f){return u[0]+n[f]}).join(","),s=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,t);this.userCode=t!==1?`
`+o+" start = "+o+"("+a+`);
`+o+" end = "+o+"("+i+`);
void main() {
`+o+` outC = getOutputCoords();
if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {
setOutput(float(`+e+`));
} else {
`+o+` coords = outC - start;
setOutput(getX(`+s+`));
}
}
`:`
int start = `+a+`;
int end = `+i+`;
void main() {
int outC = getOutputCoords();
if (outC < start || outC >= end) {
setOutput(float(`+e+`));
} else {
setOutput(getX(outC - start));
}
}
`},wd=function(n,r,e){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=r.map(function(se,le){return se[0]+n[le]+se[1]});for(var t=n.length,o=Ge(t),a=r.map(function(se){return se[0]}).join(","),i=r.map(function(se,le){return se[0]+n[le]}).join(","),s=en("rc",t),u=en("source",t),f=s[t-1]+" < "+this.outputShape[t-1],C=t===1?"source":"vec2("+u.slice(-2).join()+")",k=[o+" rc = outputLoc;",s[t-1]+` += 1;
if(`+f+`) {
`,t===1?"":`}
rc = outputLoc;
`+s[t-2]+` += 1;
if(`+s[t-2]+" < "+this.outputShape[t-2]+") {",t===1?"":" "+s[t-1]+` += 1;
if(`+f+") {"],j=t===1?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",Y="",ne=0,ce=t===1?2:4;ne<ce;ne++)Y+=`
`+k[ne]+`
if (`+j+`) {
result[`+ne+"] = float("+e+`);
} else {
`+o+` source = rc - start;
result[`+ne+"] = getChannel(getX("+u.join()+"), "+C+`);
}
`;Y+=t===1?"} ":"}}",this.userCode=`
const `+o+" start = "+o+"("+a+`);
const `+o+" end = "+o+"("+i+`);
void main() {
`+o+` outputLoc = getOutputCoords();
vec4 result = vec4(0.);
`+Y+`
setOutput(result);
}
`},uu=function(n,r,e){if(this.variableNames=["x"],r==="avg"&&e)throw new Error("Cannot compute positions for average pool.");var t=n.filterWidth,o=n.strideHeight,a=n.strideWidth,i=n.dilationHeight,s=n.dilationWidth,u=n.effectiveFilterHeight,f=n.effectiveFilterWidth,C=n.padInfo.top,k=n.padInfo.left;this.outputShape=n.outShape;var j=r==="avg",Y="0.0";if(j||(Y="-1.0 / 1e-20"),e)this.userCode=`
const ivec2 strides = ivec2(`+o+", "+a+`);
const ivec2 pads = ivec2(`+C+", "+k+`);
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d = coords[3];
ivec2 xRCCorner = coords.yz * strides - pads;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// max/min x(?, ?, d) to get y(yR, yC, d).
// ? = to be determined
float minMaxValue = 0.0;
float minMaxValueFound = 0.0;
int minMaxPosition = 0;
float avgValue = 0.0;
for (int wR = 0; wR < `+u+`;
wR += `+i+`) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int wC = 0; wC < `+f+`;
wC += `+s+`) {
int xC = xCCorner + wC;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
float value = getX(batch, xR, xC, d);
// If a min / max value has already been found, use it. If not,
// use the current value.
float currMinMaxValue = mix(
value, minMaxValue, minMaxValueFound);
if (value >= currMinMaxValue) {
minMaxValue = value;
minMaxValueFound = 1.0;
minMaxPosition = wR * `+f+` + wC;
}
}
}
setOutput(float(minMaxPosition));
}
`;else{var ne=r+"("+r+"("+r+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";r==="avg"&&(ne="avgValue / count");var ce=4*Math.floor(t/4),se=t%4,le=`
if (`+j+`) {
avgValue += dot(values, ones);
} else {
minMaxValue = max(values, minMaxValue);
}
`;this.userCode=`
const ivec2 strides = ivec2(`+o+", "+a+`);
const ivec2 pads = ivec2(`+C+", "+k+`);
const float initializationValue = `+Y+`;
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float count = 0.0;
float getValue(int batch, int xR, int xC, int d) {
if (xC < 0 || xC >= `+n.inWidth+`) {
return initializationValue;
}
count += 1.0;
return getX(batch, xR, xC, d);
}
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d = coords[3];
ivec2 xRCCorner = coords.yz * strides - pads;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// max/min x(?, ?, d) to get y(yR, yC, d).
// ? = to be determined
vec4 minMaxValue = vec4(`+Y+`);
float avgValue = 0.0;
count = 0.0;
for (int wR = 0; wR < `+u+`;
wR += `+i+`) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int wC = 0; wC < `+ce+`; wC += 4) {
int xC = xCCorner + wC * `+s+`;
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + `+s+`, d),
getValue(batch, xR, xC + 2 * `+s+`, d),
getValue(batch, xR, xC + 3 * `+s+`, d)
);
`+le+`
}
int xC = xCCorner + `+ce+`;
if (`+(se===1)+`) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
initializationValue,
initializationValue,
initializationValue
);
`+le+`
} else if (`+(se===2)+`) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + `+s+`, d),
initializationValue,
initializationValue
);
`+le+`
} else if (`+(se===3)+`) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + `+s+`, d),
getValue(batch, xR, xC + 2 * `+s+`, d),
initializationValue
);
`+le+`
}
}
setOutput(`+ne+`);
}
`}},cu=function(n,r,e){if(this.variableNames=["x"],r==="avg"&&e)throw new Error("Cannot compute positions for average pool.");var t=n.filterWidth,o=n.strideDepth,a=n.strideHeight,i=n.strideWidth,s=n.dilationDepth,u=n.dilationHeight,f=n.dilationWidth,C=n.effectiveFilterDepth,k=n.effectiveFilterHeight,j=n.effectiveFilterWidth,Y=n.padInfo.front,ne=n.padInfo.top,ce=n.padInfo.left;this.outputShape=n.outShape;var se=r==="avg",le="0.0";if(se||(le="-1.0 / 1e-20"),e)this.userCode=`
const ivec3 strides =
ivec3(`+o+", "+a+", "+i+`);
const ivec3 pads = ivec3(`+Y+", "+ne+", "+ce+`);
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
int xDCorner = xCorner.x;
int xRCorner = xCorner.y;
int xCCorner = xCorner.z;
// max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).
// ? = to be determined
float minMaxValue = 0.0;
float minMaxValueFound = 0.0;
int minMaxPosition = 0;
for (int wD = 0; wD < `+C+`;
wD += `+s+`) {
int xD = xDCorner + wD;
if (xD < 0 || xD >= `+n.inDepth+`) {
continue;
}
for (int wR = 0; wR < `+k+`;
wR += `+u+`) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int wC = 0; wC < `+j+`;
wC += `+f+`) {
int xC = xCCorner + wC;
if (xC < 0 || xC >= `+n.inWidth+`) {
continue;
}
float value = getX(batch, xD, xR, xC, ch);
// If a min / max value has already been found, use it. If not,
// use the current value.
float currMinMaxValue = mix(
value, minMaxValue, minMaxValueFound);
if (value >= currMinMaxValue) {
minMaxValue = value;
minMaxValueFound = 1.0;
minMaxPosition =
wD * `+k+" * "+j+` +
wR * `+j+` + wC;;
}
}
}
}
setOutput(float(minMaxPosition));
}
`;else{var xe=r+"("+r+"("+r+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";r==="avg"&&(xe="avgValue / count");var Ee=4*Math.floor(t/4),_e=t%4,Te=`
if (`+se+`) {
avgValue += dot(values, ones);
} else {
minMaxValue = max(values, minMaxValue);
}
`;this.userCode=`
const ivec3 strides =
ivec3(`+o+", "+a+", "+i+`);
const ivec3 pads = ivec3(`+Y+", "+ne+", "+ce+`);
const float initializationValue = `+le+`;
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float count = 0.0;
float getValue(int batch, int xD, int xR, int xC, int ch) {
if (xC < 0 || xC >= `+n.inWidth+`) {
return initializationValue;
}
count += 1.0;
return getX(batch, xD, xR, xC, ch);
}
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
int xDCorner = xCorner.x;
int xRCorner = xCorner.y;
int xCCorner = xCorner.z;
// max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).
// ? = to be determined
vec4 minMaxValue = vec4(`+le+`);
float avgValue = 0.0;
count = 0.0;
for (int wD = 0; wD < `+C+`;
wD += `+s+`) {
int xD = xDCorner + wD;
if (xD < 0 || xD >= `+n.inDepth+`) {
continue;
}
for (int wR = 0; wR < `+k+`;
wR += `+u+`) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= `+n.inHeight+`) {
continue;
}
for (int wC = 0; wC < `+Ee+`; wC += 4) {
int xC = xCCorner + wC * `+f+`;
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + `+f+`, ch),
getValue(batch, xD, xR, xC + 2 * `+f+`, ch),
getValue(batch, xD, xR, xC + 3 * `+f+`, ch)
);
`+Te+`
}
int xC = xCCorner + `+Ee+`;
if (`+(_e===1)+`) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
initializationValue,
initializationValue,
initializationValue
);
`+Te+`
} else if (`+(_e===2)+`) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + `+f+`, ch),
initializationValue,
initializationValue
);
`+Te+`
} else if (`+(_e===3)+`) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + `+f+`, ch),
getValue(batch, xD, xR, xC + 2 * `+f+`, ch),
initializationValue
);
`+Te+`
}
}
setOutput(`+xe+`);
}
}
`}},Ed=function(n,r){this.variableNames=["x"];var e=n.windowSize,t=n.batchSize,o=n.inSize,a=Math.ceil(o/e);this.outputShape=[t,a];var i="0.0",s="";r==="prod"?i="1.0":r==="min"?(i="1.0 / 1e-20",s="min"):r==="max"&&(i="-1.0 / 1e-20",s="max");var u=r+"("+r+"("+r+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";r==="sum"?u="sumValue":r==="prod"?u="prodValue":r==="all"?u="allValue":r==="any"&&(u="anyValue");var f=4*Math.floor(e/4),C=e%4,k=`
if (`+(r==="sum")+`) {
sumValue += dot(values, ones);
} else if (`+(r==="prod")+`) {
vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);
prodValue *= tmp[0] * tmp[1];
} else {
minMaxValue = `+s+`(values, minMaxValue);
}
`,j="vec4";r==="all"?(i="1.0",k=`
bool reducedAllValue = all(values);
float floatedReducedAllValue = float(reducedAllValue);
allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);
`,j="bvec4"):r==="any"&&(i="0.0",k=`
bool reducedAnyValue = any(values);
float floatedReducedAnyValue = float(reducedAnyValue);
anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);
`,j="bvec4");var Y="";o%e>0&&(Y=`
if (inIdx < 0 || inIdx >= `+o+`) {
return initializationValue;
}
`),this.userCode=`
const float initializationValue = `+i+`;
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float getValue(int batch, int inIdx) {
`+Y+`
return getX(batch, inIdx);
}
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = outIdx * `+e+`;
vec4 minMaxValue = vec4(`+i+`);
float prodValue = 1.0;
float sumValue = 0.0;
float allValue = 1.0;
float anyValue = 0.0;
for (int i = 0; i < `+f+`; i += 4) {
int inIdx = inOffset + i;
`+j+" values = "+j+`(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
getValue(batch, inIdx + 3)
);
`+k+`
}
int inIdx = inOffset + `+f+`;
if (`+(C===1)+`) {
`+j+" values = "+j+`(
getValue(batch, inIdx),
initializationValue,
initializationValue,
initializationValue
);
`+k+`
} else if (`+(C===2)+`) {
`+j+" values = "+j+`(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
initializationValue,
initializationValue
);
`+k+`
} else if (`+(C===3)+`) {
`+j+" values = "+j+`(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
initializationValue
);
`+k+`
}
setOutput(`+u+`);
}
`},_d=function(n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n;for(var e="",t=0;t<4;t++){var o="thisRC = rc;";t%2==1&&(o+="thisRC.z += 1;"),t>1&&(o+="thisRC.y += 1;"),e+=`
`+o+`
`+(t>0?"if(thisRC.y < rows && thisRC.z < cols){":"")+`
int flatIndex = getFlatIndex(thisRC);
ivec3 inputRC = inputCoordsFromReshapedOutCoords(flatIndex);
vec2 inputRCInnerDims = vec2(float(inputRC.y),float(inputRC.z));
result[`+t+`] =
getChannel(getA(inputRC.x, inputRC.y, inputRC.z), inputRCInnerDims);
`+(t>0?"}":"")+`
`}this.userCode=`
ivec3 inputCoordsFromReshapedOutCoords(int index) {
`+O(["r","c","d"],r)+`
return ivec3(r, c, d);
}
`+w(n)+`
void main() {
ivec3 rc = getOutputCoords();
vec4 result = vec4(0.);
ivec3 thisRC;
int rows = `+n[1]+`;
int cols = `+n[2]+`;
`+e+`
setOutput(result);
}
`},Cd=function(n,r,e){this.variableNames=["dy"],this.outputShape=[],this.outputShape=r.shape;var t=r.shape,o=t[1],a=t[2],i=n.shape,s=i[1],u=i[2],f=[e&&s>1?o-1:o,e&&u>1?a-1:a],C=[e&&s>1?s-1:s,e&&u>1?u-1:u],k=f[0]/C[0],j=f[1]/C[1],Y=1/k,ne=1/j,ce=2*Math.ceil(Y)+2,se=2*Math.ceil(ne)+2;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
int r = coords[1];
int c = coords[2];
float accumulator = 0.0;
const float heightScale = float(`+k+`);
const float widthScale = float(`+j+`);
const float invHeightScale = float(`+Y+`);
const float invWidthScale = float(`+ne+`);
const int winHeight = int(`+ce+`);
const int winWidth = int(`+se+`);
// Compute bounds for where in dy we will look
float startRLerp = floor(float(r) * invHeightScale);
int startDyR = int(startRLerp - float(winHeight / 2));
float startCLerp = floor(float(c) * invWidthScale);
int startDyC = int(startCLerp - float(winWidth / 2));
// Loop over dy
for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {
int dyR = dyROffset + startDyR;
// Guard against the window exceeding the bounds of dy
if (dyR < 0 || dyR >= `+s+`) {
continue;
}
for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {
int dyC = dyCOffset + startDyC;
// Guard against the window exceeding the bounds of dy
if (dyC < 0 || dyC >= `+u+`) {
continue;
}
float dxR = float(dyR) * heightScale;
int topDxRIndex = int(floor(dxR));
int bottomDxRIndex = int(min(ceil(dxR), `+(o-1)+`.0));
float dxRLerp = dxR - float(topDxRIndex);
float inverseDxRLerp = 1.0 - dxRLerp;
float dxC = float(dyC) * widthScale;
int leftDxCIndex = int(floor(dxC));
int rightDxCIndex = int(min(ceil(dxC), `+(a-1)+`.0));
float dxCLerp = dxC - float(leftDxCIndex);
float inverseDxCLerp = 1.0 - dxCLerp;
if (r == topDxRIndex && c == leftDxCIndex) {
// topLeft
accumulator +=
getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;
}
if (r == topDxRIndex && c == rightDxCIndex) {
// topRight
accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;
}
if (r == bottomDxRIndex && c == leftDxCIndex) {
// bottomLeft
accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;
}
if (r == bottomDxRIndex && c == rightDxCIndex) {
// bottomRight
accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;
}
}
}
// End loop over dy
setOutput(accumulator);
}
`},Td=function(n,r,e,t){this.variableNames=["A"],this.outputShape=[];var o=n[0],a=n[1],i=n[2],s=n[3];this.outputShape=[o,r,e,s];var u=[t&&r>1?a-1:a,t&&e>1?i-1:i],f=[t&&r>1?r-1:r,t&&e>1?e-1:e];this.userCode=`
const vec2 effectiveInputOverOutputRatioRC = vec2(
`+u[0]/f[0]+`,
`+u[1]/f[1]+`);
const vec2 inputShapeRC = vec2(`+a+".0, "+i+`.0);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 yRC = coords.yz;
// Fractional source index.
vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;
// Compute the four integer indices.
ivec2 sourceFloorRC = ivec2(sourceFracIndexRC);
ivec2 sourceCeilRC = ivec2(
min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));
float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);
float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);
float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);
float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);
vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);
float top = topLeft + (topRight - topLeft) * fracRC.y;
float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;
float newValue = top + (bottom - top) * fracRC.x;
setOutput(newValue);
}
`},Sd=function(n,r,e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];var o=n[0],a=n[1],i=n[2],s=n[3];this.outputShape=[o,r,e,s];var u=[t&&r>1?a-1:a,t&&e>1?i-1:i],f=[t&&r>1?r-1:r,t&&e>1?e-1:e];this.userCode=`
const vec3 effectiveInputOverOutputRatioRC = vec3(
`+u[0]/f[0]+`,
`+u[1]/f[1]+`,
`+u[1]/f[1]+`);
const vec3 inputShapeRC = vec3(`+a+".0, "+i+`.0,
`+i+`.0);
float getAValue(int b, int r, int c, int d) {
return getChannel(getA(b, r, c, d), vec2(c, d));
}
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
// Calculate values for next column in yRC.z.
ivec3 yRC = coords.yzz + ivec3(0, 0, 1);
// Fractional source index.
vec3 sourceFracIndexRC = vec3(yRC) * effectiveInputOverOutputRatioRC;
// Compute the four integer indices.
ivec3 sourceFloorRC = ivec3(sourceFracIndexRC);
ivec3 sourceCeilRC = ivec3(
min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));
// Should we calculate next column and row elements in 2x2 packed cell.
bool hasNextCol = d < `+(s-1)+`;
bool hasNextRow = coords.z < `+(e-1)+`;
// In parallel, construct four corners for all four components in
// packed 2x2 cell.
vec4 topLeft = vec4(
getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),
hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);
vec4 bottomLeft = vec4(
getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),
hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);
vec4 topRight = vec4(
getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),
hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);
vec4 bottomRight = vec4(
getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),
hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);
vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);
vec4 top = mix(topLeft, topRight, fracRC.yyzz);
vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);
vec4 newValue = mix(top, bottom, fracRC.x);
setOutput(newValue);
}
`},Ad=function(n,r,e){this.variableNames=["dy"],this.outputShape=[],this.outputShape=r.shape;var t=r.shape,o=t[1],a=t[2],i=n.shape,s=i[1],u=i[2],f=[e&&s>1?o-1:o,e&&u>1?a-1:a],C=[e&&s>1?s-1:s,e&&u>1?u-1:u],k=f[0]/C[0],j=f[1]/C[1],Y=1/k,ne=1/j,ce=2*Math.ceil(Y)+2,se=2*Math.ceil(ne)+2;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
int r = coords[1];
int c = coords[2];
float accumulator = 0.0;
const float heightScale = float(`+k+`);
const float widthScale = float(`+j+`);
const float invHeightScale = float(`+Y+`);
const float invWidthScale = float(`+ne+`);
const int winHeight = int(`+ce+`);
const int winWidth = int(`+se+`);
// Compute bounds for where in dy we will look
float startRLerp = floor(float(r) * invHeightScale);
int startDyR = int(floor(startRLerp - float(winHeight / 2)));
float startCLerp = floor(float(c) * invWidthScale);
int startDyC = int(floor(startCLerp - float(winWidth / 2)));
// Loop over dy
for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {
int dyR = dyROffset + startDyR;
// Guard against the window exceeding the bounds of dy
if (dyR < 0 || dyR >= `+s+`) {
continue;
}
for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {
int dyC = dyCOffset + startDyC;
// Guard against the window exceeding the bounds of dy
if (dyC < 0 || dyC >= `+u+`) {
continue;
}
float sourceFracRow =
float(`+f[0]+`) *
(float(dyR) / float(`+C[0]+`));
float sourceFracCol =
float(`+f[1]+`) *
(float(dyC) / float(`+C[1]+`));
int sourceNearestRow = int(min(
float(int(`+o+`) - 1),
`+e+` ? float(round(sourceFracRow)) :
float(floor(sourceFracRow))));
int sourceNearestCol = int(min(
float(int(`+a+`) - 1),
`+e+` ? float(round(sourceFracCol)) :
float(floor(sourceFracCol))));
if (r == sourceNearestRow && c == sourceNearestCol) {
accumulator += getDy(b, dyR, dyC, d);
}
}
}
// End loop over dy
setOutput(accumulator);
}
`},Od=function(n,r,e,t){this.variableNames=["A"],this.outputShape=[];var o=n[0],a=n[1],i=n[2],s=n[3];this.outputShape=[o,r,e,s];var u=[t&&r>1?a-1:a,t&&e>1?i-1:i],f=[t&&r>1?r-1:r,t&&e>1?e-1:e],C=t?"0.5":"0.0";this.userCode=`
const vec2 effectiveInputOverOutputRatioRC = vec2(
`+u[0]/f[0]+`,
`+u[1]/f[1]+`);
const vec2 inputShapeRC = vec2(`+a+".0, "+i+`.0);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 yRC = coords.yz;
// Fractional source index.
vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestRC = ivec2(
min(inputShapeRC - 1.0, floor(sourceFracIndexRC + `+C+`)));
float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);
setOutput(newValue);
}
`},Rd=function(n,r){this.variableNames=["x"];var e=n.length;if(e>4)throw new Error("WebGL backend: Reverse of rank-"+e+" tensor is not yet supported");if(this.outputShape=n,e!==1){var t=n.map(function(a,i){return function(s){return r.indexOf(s)!==-1&&n[s]!==1?n[s]+" - coords["+s+"] - 1":"coords["+s+"]"}(i)}).join(","),o=Ge(e);this.userCode=`
void main() {
`+o+` coords = getOutputCoords();
setOutput(getX(`+t+`));
}
`}else this.userCode=`
void main() {
int coord = getOutputCoords();
setOutput(getX(`+n[0]+` - coord - 1));
}
`},Id=function(n,r){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;var e=n.length;if(e>4)throw new Error("WebGL backend: Reverse of rank-"+e+" tensor is not yet supported");this.outputShape=n;var t=en("rc",e),o=t[e-1]+" + 1 < "+this.outputShape[e-1],a=t[e-2]+" + 1 < "+this.outputShape[e-2],i=Ge(e);function s(u){var f=n.map(function(C,k){return function(j,Y){return r.indexOf(j)!==-1&&n[j]!==1?n[j]+" - "+Y[j]+" - 1":""+Y[j]}(k,u)});return"getChannel(getX("+f.join(",")+"), vec2("+f.slice(-2).join(",")+"))"}this.userCode=e===1?`
void main(){
int rc = getOutputCoords();
vec4 result = vec4(0.);
result.r = getChannel(getX(`+n[0]+` - rc - 1),
`+n[0]+` - rc - 1);
if(`+o+`){
result.g = getChannel(getX(`+n[0]+` - (rc + 1) - 1),
`+n[0]+` - (rc + 1) - 1);
}
setOutput(result);
}
`:`
void main() {
`+i+` rc = getOutputCoords();
vec4 result = vec4(0.);
result.r = `+function(u){return s(u)}(t.slice())+`;
if(`+o+`){
result.g = `+function(u){return u[e-1]="("+u[e-1]+" + 1)",s(u)}(t.slice())+`;
}
if(`+a+`) {
result.b = `+function(u){return u[e-2]="("+u[e-2]+" + 1)",s(u)}(t.slice())+`;
if(`+o+`) {
result.a = `+function(u){return u[e-1]="("+u[e-1]+" + 1)",u[e-2]="("+u[e-2]+" + 1)",s(u)}(t.slice())+`;
}
}
setOutput(result);
}
`},Ac=function(n,r,e,t,o,a,i){i===void 0&&(i=!0),this.variableNames=["updates","indices","defaultValue"],this.outputShape=a;var s=Ge(o.length),u=Ge(a.length),f="";e===1?f="i":e===2&&(f="i, j");var C="getIndices("+f+")",k="";t===1?k="i":t===2&&(k="i, coords[1]");var j="getUpdates("+k+")",Y=r>1?"strides[j]":"strides";this.userCode=`
`+s+" strides = "+s+"("+o+`);
void main() {
`+u+` coords = getOutputCoords();
float sum = 0.0;
bool found = false;
for (int i = 0; i < `+n+`; i++) {
int flattenedIndex = 0;
for (int j = 0; j < `+r+`; j++) {
int index = round(`+C+`);
flattenedIndex += index * `+Y+`;
}
if (flattenedIndex == coords[0]) {
sum += `+j+`;
found = true;
}
}
setOutput(mix(getDefaultValue(), sum, float(found)));
}
`},Nd=function(n,r){this.variableNames=["x","segmentIds"];var e=n.windowSize,t=n.batchSize,o=n.inSize,a=n.numSegments,i=a*Math.ceil(o/e);this.outputShape=[t,i];var s=4*Math.floor(e/4),u=e%4,f=`
sumValue += dot(values, segFilter);
`,C="";o%e>0&&(C=`
if (inIdx < 0 || inIdx >= `+o+`) {
return initializationValue;
}
`);var k="";o%e>0&&(k=`
if (inIdx < 0 || inIdx >= `+o+`) {
return -1.0;
}
`),this.userCode=`
const float initializationValue = 0.0;
float getValue(int batch, int inIdx) {
`+C+`
return getX(batch, inIdx);
}
float getSegmentIdAtIndex(int inIdx) {
`+k+`
return getSegmentIds(inIdx);
}
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = int(floor(float(outIdx) / float(
`+a+")) * float("+e+`));
int currentSeg = int(mod(float(outIdx), float(`+a+`)));
float sumValue = 0.0;
for (int i = 0; i < `+s+`; i += 4) {
int inIdx = inOffset + i;
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
getValue(batch, inIdx + 3)
);
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0
);
`+f+`
}
int inIdx = inOffset + `+s+`;
if (`+(u===1)+`) {
vec4 values = vec4(
getValue(batch, inIdx),
initializationValue,
initializationValue,
initializationValue
);
int inIdxSeg = int(getSegmentIdAtIndex(inIdx));
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
0,
0,
0
);
`+f+`
} else if (`+(u===2)+`) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
initializationValue,
initializationValue
);
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
0,
0
);
`+f+`
} else if (`+(u===3)+`) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
initializationValue
);
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,
0
);
`+f+`
}
setOutput(sumValue);
}
`},Dd=function(n,r,e){var t,o;if(this.variableNames=["c","a","b"],this.outputShape=r,e>4)throw Error("Where for rank "+e+" is not yet supported");if(e===1)o="resRC",t="resRC";else{for(var a=["resRC.x","resRC.y","resRC.z","resRC.w"],i=[],s=[],u=0;u<r.length;u++)s.push(""+a[u]),u<n&&i.push(""+a[u]);t=i.join(),o=s.join()}var f=Ge(e);this.userCode=`
void main() {
`+f+` resRC = getOutputCoords();
float cVal = getC(`+t+`);
if (cVal >= 1.0) {
setOutput(getA(`+o+`));
} else {
setOutput(getB(`+o+`));
}
}
`},kd=function(){function n(r){this.variableNames=["source"],this.outputShape=r,this.rank=r.length;var e,t=Ge(this.rank),o="uniform int start["+this.rank+"];",a=function(i){if(i===1)return"sourceLoc";if(i<=6)return lu.slice(0,i).map(function(s){return"sourceLoc."+s}).join(",");throw Error("Slicing for rank "+i+" is not yet supported")}(this.rank);e=`
`+t+` sourceLoc;
`+t+` coords = getOutputCoords();
`+r.map(function(i,s){return"sourceLoc."+lu[s]+" = start["+s+"] + coords."+lu[s]+";"}).join(`
`)+`
`,this.userCode=`
`+o+`
void main() {
`+e+`
setOutput(getSource(`+a+`));
}
`}return n.prototype.getCustomSetupFunc=function(r){var e=this;if(r.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+r.length+")");return function(t,o){e.startLoc==null&&(e.startLoc=t.getUniformLocationNoThrow(o,"start"),e.startLoc==null)||t.gl.uniform1iv(e.startLoc,r)}},n}(),lu=["x","y","z","w","u","v"],Md=function(){function n(r){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=r,this.rank=r.length;var e=Ge(this.rank),t=en("coords",this.rank),o=en("sourceLoc",this.rank),a=this.rank===1?"sourceLoc":"vec2("+o.slice(-2).join()+")",i="getChannel(getSource("+o.join()+"), "+a+")",s=`
result.x = `+i+`;
if (++`+t[this.rank-1]+" < "+r[this.rank-1]+`) {
++`+o[this.rank-1]+`;
result.y = `+i+`;
--`+o[this.rank-1]+`;
}
`,u=this.rank===1?"":`
--`+t[this.rank-1]+`;
if (++`+t[this.rank-2]+" < "+r[this.rank-2]+`) {
++`+o[this.rank-2]+`;
result.z = `+i+`;
if (++`+t[this.rank-1]+" < "+r[this.rank-1]+`) {
++`+o[this.rank-1]+`;
result.w = `+i+`;
}
}
`,f=this.rank<=4?`sourceLoc = coords +
`+e+"("+r.map(function(C,k){return"start["+k+"]"}).join()+");":r.map(function(C,k){return o[k]+" = "+t[k]+" + start["+k+"];"}).join(`
`);this.userCode=`
uniform int start[`+this.rank+`];
void main() {
`+e+` coords = getOutputCoords();
`+e+` sourceLoc;
`+f+`
vec4 result = vec4(0.);
`+s+`
`+u+`
setOutput(result);
}
`}return n.prototype.getCustomSetupFunc=function(r){var e=this;if(r.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+r.length+")");return function(t,o){e.startLoc==null&&(e.startLoc=t.getUniformLocationNoThrow(o,"start"),e.startLoc==null)||t.gl.uniform1iv(e.startLoc,r)}},n}(),Pd=function(n,r,e){this.variableNames=["x"],this.outputShape=e;var t=e.length,o=Ge(e.length),a=Ge(e.length),i="";if(t===1)i="coords * strides + begin";else{var s=0;i=e.map(function(u,f){return s++,e.length===1?"coords * strides["+f+"] + begin["+f+"]":"coords["+(s-1)+"] * strides["+f+"] + begin["+f+"]"}).join(",")}this.userCode=`
`+o+" begin = "+o+"("+n+`);
`+o+" strides = "+o+"("+r+`);
void main() {
`+a+` coords = getOutputCoords();
setOutput(getX(`+i+`));
}
`},Fd=function(){function n(r){this.gpgpu=r,this.numUsedTextures=0,this.numFreeTextures=0,this.freeTextures={},this.logEnabled=!1,this.usedTextures={}}return n.prototype.acquireTexture=function(r,e,t){var o,a=Oc(e,t),i=Rc(r,a,t);if(i in this.freeTextures||(this.freeTextures[i]=[]),i in this.usedTextures||(this.usedTextures[i]=[]),this.freeTextures[i].length>0){this.numFreeTextures--,this.numUsedTextures++,this.log();var s=this.freeTextures[i].shift();return this.usedTextures[i].push(s),s}return this.numUsedTextures++,this.log(),a===Hr.PACKED_2X2_FLOAT32?o=this.gpgpu.createPackedMatrixTexture(r[0],r[1]):a===Hr.PACKED_2X2_FLOAT16?o=this.gpgpu.createFloat16PackedMatrixTexture(r[0],r[1]):a===Hr.UNPACKED_FLOAT32?o=this.gpgpu.createFloat32MatrixTexture(r[0],r[1]):a===Hr.UNPACKED_FLOAT16?o=this.gpgpu.createFloat16MatrixTexture(r[0],r[1]):a===Hr.PACKED_4X1_UNSIGNED_BYTE&&(o=this.gpgpu.createUnsignedBytesMatrixTexture(r[0],r[1])),this.usedTextures[i].push(o),o},n.prototype.releaseTexture=function(r,e,t,o){if(this.freeTextures!=null){var a=Rc(e,Oc(t,o),o);a in this.freeTextures||(this.freeTextures[a]=[]),this.freeTextures[a].push(r),this.numFreeTextures++,this.numUsedTextures--;var i=this.usedTextures[a],s=i.indexOf(r);if(s<0)throw new Error("Cannot release a texture that was never provided by this texture manager");i.splice(s,1),this.log()}},n.prototype.log=function(){if(this.logEnabled){var r=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used",this.numFreeTextures+" / "+this.numUsedTextures,"("+r+")")}},n.prototype.getNumUsedTextures=function(){return this.numUsedTextures},n.prototype.getNumFreeTextures=function(){return this.numFreeTextures},n.prototype.dispose=function(){var r=this;if(this.freeTextures!=null){for(var e in this.freeTextures)this.freeTextures[e].forEach(function(t){r.gpgpu.deleteMatrixTexture(t)});for(var e in this.usedTextures)this.usedTextures[e].forEach(function(o){r.gpgpu.deleteMatrixTexture(o)});this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0}},n}();function Oc(n,r){if(n===Wr.UPLOAD)return Hr.PACKED_2X2_FLOAT32;if(n===Wr.RENDER||n==null)return function(e){return p().getBool("WEBGL_RENDER_FLOAT32_ENABLED")?e?Hr.PACKED_2X2_FLOAT32:Hr.UNPACKED_FLOAT32:e?Hr.PACKED_2X2_FLOAT16:Hr.UNPACKED_FLOAT16}(r);if(n===Wr.DOWNLOAD||n===Wr.PIXELS)return Hr.PACKED_4X1_UNSIGNED_BYTE;throw new Error("Unknown logical texture type "+n)}function Rc(n,r,e){return n[0]+"_"+n[1]+"_"+r+"_"+e}var jd=function(n,r){this.variableNames=["A"];for(var e=new Array(n.length),t=0;t<e.length;t++)e[t]=n[t]*r[t];this.outputShape=e,this.rank=e.length;var o=Ge(this.rank),a=function(i){var s=i.length;if(s>5)throw Error("Tile for rank "+s+" is not yet supported");if(s===1)return"imod(resRC, "+i[0]+")";for(var u=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],f=[],C=0;C<i.length;C++)f.push("imod("+u[C]+", "+i[C]+")");return f.join()}(n);this.userCode=`
void main() {
`+o+` resRC = getOutputCoords();
setOutput(getA(`+a+`));
}
`},Ld=function(n,r){this.variableNames=["A"];for(var e=new Array(n.length),t=0;t<e.length;t++)e[t]=n[r[t]];this.outputShape=e,this.rank=e.length;var o=Ge(this.rank),a=function(i){var s=i.length;if(s>6)throw Error("Transpose for rank "+s+" is not yet supported");for(var u=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],f=new Array(s),C=0;C<i.length;C++)f[i[C]]=u[C];return f.join()}(r);this.userCode=`
void main() {
`+o+` resRC = getOutputCoords();
setOutput(getA(`+a+`));
}
`},Bd=function(n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;for(var e=new Array(n.length),t=0;t<e.length;t++)e[t]=n[r[t]];if(this.outputShape=e,this.rank=e.length,this.rank>6)throw Error("Packed transpose for rank "+this.rank+" is not yet supported.");var o=Ge(this.rank),a=au("rc",this.rank),i=new Array(this.rank);for(t=0;t<r.length;t++)i[r[t]]=a[t];var s="vec2("+i.slice(-2).join()+")",u="++"+a[this.rank-1]+" < "+e[this.rank-1],f="getChannel(getA("+i.join()+"), "+s+")";this.userCode=`
void main() {
`+o+` rc = getOutputCoords();
vec4 result = vec4(0.);
result[0] = `+f+`;
if(`+u+`) {
result[1] = `+f+`;
}
--`+a[this.rank-1]+`;
if(++`+a[this.rank-2]+" < "+e[this.rank-2]+`) {
result[2] = `+f+`;
if(`+u+`) {
result[3] = `+f+`;
}
}
setOutput(result);
}
`},du=1.7580993408473768,fu=1.0507009873554805,zt=function(n,r){this.variableNames=["A"],this.outputShape=n,this.userCode=`
float unaryOperation(float x) {
`+r+`
}
void main() {
float x = getAAtOutCoords();
float y = unaryOperation(x);
setOutput(y);
}
`},Nn="if (isnan(x)) return x;",Ud="return x;",Ic="return abs(x);",Nc=Nn+`
return (x < 0.0) ? 0.0 : x;
`,Dc=Nn+`
return (x < 0.0) ? 0.0 : min(6.0, x);
`,kc="return (x >= 0.0) ? x : (exp(x) - 1.0);",Wd=`
// Stable and Attracting Fixed Point (0, 1) for Normalized Weights.
// see: https://arxiv.org/abs/1706.02515
float scaleAlpha = `+du+`;
float scale = `+fu+`;
return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);
`,Mc="return -x;",Pc="return ceil(x);",Fc="return floor(x);",jc="return exp(x);",Lc="return exp(x) - 1.0;",Hd=Nn+`
return sin(x);
`,zd=Nn+`
return cos(x);
`,Gd=Nn+`
if (abs(x) > 1.) {
return NAN;
}
return asin(x);
`,Vd=Nn+`
if (abs(x) > 1.) {
return NAN;
}
return acos(x);
`,Xd=Nn+`
return atan(x);
`,Kd=Nn+"return log(x + sqrt(x * x + 1.0));",Yd=Nn+`
if (x < 1.0) return NAN;
return log(x + sqrt(x * x - 1.0));`,$d=Nn+`
if ((x < -1.0) || (x > 1.0)) return NAN;
return (log(1.0 + x) - log(1.0 - x)) / 2.0;`,is="return x;",Jd="return x;",Bc=`
vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));
bvec4 isNaN = isnan(x);
result.r = isNaN.r ? x.r : result.r;
result.g = isNaN.g ? x.g : result.g;
result.b = isNaN.b ? x.b : result.b;
result.a = isNaN.a ? x.a : result.a;
return result;
`,Uc=`
vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));
bvec4 isNaN = isnan(x);
result.r = isNaN.r ? x.r : result.r;
result.g = isNaN.g ? x.g : result.g;
result.b = isNaN.b ? x.b : result.b;
result.a = isNaN.a ? x.a : result.a;
return result;
`,Wc=`
vec4 result;
result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);
result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);
result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);
result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);
return result;
`,xi=function(n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n,this.userCode=`
vec4 unaryOperation(vec4 x) {
`+r+`
}
void main() {
vec4 x = getAAtOutCoords();
vec4 y = unaryOperation(x);
setOutput(y);
}
`},qd=function(n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=n;var r=n.length,e=en("rc",r),t=Ge(r),o=function(s,u){if(s===1)return"rc";for(var f="",C=0;C<s;C++)f+=u[C],C<s-1&&(f+=",");return f}(r,e),a=e.slice(-2),i=r<=1?"rc":"vec2("+a.join(",")+")";this.userCode=`
void main() {
`+t+` rc = getOutputCoords();
vec4 packedInput = getA(`+o+`);
setOutput(getChannel(packedInput, `+i+`));
}
`},ss={};function us(n,r){if(r===void 0&&(r=!1),n==="linear")return r?Jd:Ud;if(n==="relu")return r?Bc:Nc;if(n==="elu")return r?Wc:kc;if(n==="relu6")return r?Uc:Dc;if(n==="prelu")return r?kr:Gt;throw new Error("Activation "+n+" has not been implemented for the WebGL backend.")}var Qd=600,Hc=function(n){function r(e){var t,o=n.call(this)||this;if(o.pendingRead=new WeakMap,o.pendingDisposal=new WeakSet,o.dataRefCount=new WeakMap,o.numBytesInGPU=0,o.uploadWaitMs=0,o.downloadWaitMs=0,o.warnedAboutMemory=!1,o.pendingDeletes=0,o.disposed=!1,!p().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(e==null){var a=vn(p().getNumber("WEBGL_VERSION"));o.binaryCache=((t=p().getNumber("WEBGL_VERSION"))in ss||(ss[t]={}),ss[t]),o.gpgpu=new Tc(a),o.canvas=a.canvas,o.gpgpuCreatedLocally=!0}else o.gpgpu=e,o.binaryCache={},o.gpgpuCreatedLocally=!1,o.canvas=e.gl.canvas;return o.textureManager=new Fd(o.gpgpu),o.numMBBeforeWarning=p().global.screen==null?1024:p().global.screen.height*p().global.screen.width*window.devicePixelRatio*Qd/1024/1024,o.texData=new _a(o,Ve),o}return D(r,n),r.prototype.numDataIds=function(){return this.texData.numDataIds()+(this.cpuBackend?this.cpuBackend.numDataIds():0)-this.pendingDeletes},r.prototype.write=function(e,t,o){if(p().getBool("DEBUG")&&this.checkNumericalProblems(e),o==="complex64"&&e!=null)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");var a={};return this.texData.set(a,{shape:t,dtype:o,values:e,usage:Wr.UPLOAD}),a},r.prototype.move=function(e,t,o,a){if(p().getBool("DEBUG")&&this.checkNumericalProblems(t),a==="complex64")throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(e,{shape:o,dtype:a,values:t,usage:Wr.UPLOAD})},r.prototype.readSync=function(e){var t=this.texData.get(e),o=t.values,a=t.dtype,i=t.complexTensors,s=t.slice,u=t.shape,f=t.isPacked;if(s!=null){var C=void 0;C=f?new xi(u,is):new zt(u,is);var k=this.runWebGLProgram(C,[{dataId:e,shape:u,dtype:a}],a),j=this.readSync(k.dataId);return this.disposeData(k.dataId),j}if(o!=null)return this.convertAndCacheOnCPU(e);if(a==="string")return o;var Y,ne,ce=this.activeTimers!=null;return(ce&&(Y=he()),a==="complex64")?ne=Oa(i.real.dataSync(),i.imag.dataSync()):ne=this.getValuesFromTexture(e),ce&&(this.downloadWaitMs+=he()-Y),this.convertAndCacheOnCPU(e,ne)},r.prototype.read=function(e){return E(this,void 0,void 0,function(){var t,o,a,i,s,u,f,C,k,j,Y,ne,ce,se,le,xe,Ee,_e,Te,Me,He,Be;return g(this,function(Le){switch(Le.label){case 0:if(this.pendingRead.has(e))return t=this.pendingRead.get(e),[2,new Promise(function(Ue){return t.push(Ue)})];if(o=this.texData.get(e),a=o.values,i=o.shape,s=o.slice,u=o.dtype,f=o.complexTensors,C=o.isPacked,s!=null)return k=void 0,k=C?new xi(i,is):new zt(i,is),j=this.runWebGLProgram(k,[{dataId:e,shape:i,dtype:u}],u),Y=this.read(j.dataId),this.disposeData(j.dataId),[2,Y];if(a!=null)return[2,this.convertAndCacheOnCPU(e)];if(!p().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&p().getNumber("WEBGL_VERSION")===2)throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");return ne=null,u!=="complex64"&&p().get("WEBGL_BUFFER_SUPPORTED")&&(ce=this.decode(e),se=this.texData.get(ce.dataId),ne=(Be=this.gpgpu).createBufferFromTexture.apply(Be,[se.texture].concat(Or(i)))),this.pendingRead.set(e,[]),u==="complex64"?[3,2]:[4,this.gpgpu.createAndWaitForFence()];case 1:Le.sent(),Le.label=2;case 2:return u!=="complex64"?[3,4]:[4,Promise.all([f.real.data(),f.imag.data()])];case 3:return xe=Le.sent(),Ee=xe[0],_e=xe[1],le=Oa(Ee,_e),[3,5];case 4:ne==null?le=this.getValuesFromTexture(e):(Te=de(i),le=this.gpgpu.downloadFloat32MatrixFromBuffer(ne,Te)),Le.label=5;case 5:return ce!=null&&this.disposeData(ce.dataId),Me=this.convertAndCacheOnCPU(e,le),He=this.pendingRead.get(e),this.pendingRead.delete(e),He.forEach(function(Ue){return Ue(Me)}),this.pendingDisposal.has(e)&&(this.pendingDisposal.delete(e),this.disposeData(e),this.pendingDeletes--),[2,Me]}})})},r.prototype.checkNumericalProblems=function(e){if(e!=null)for(var t=0;t<e.length;t++){var o=e[t];if(!xs(o))throw p().getBool("WEBGL_RENDER_FLOAT32_CAPABLE")?Error("The value "+o+" cannot be represented with your current settings. Consider enabling float32 rendering: 'tf.env().set('WEBGL_RENDER_FLOAT32_ENABLED', true);'"):Error("The value "+o+" cannot be represented on this device.")}},r.prototype.getValuesFromTexture=function(e){var t,o=this.texData.get(e),a=o.shape,i=o.dtype,s=o.isPacked,u=de(a);if(p().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){var f=this.decode(e),C=this.texData.get(f.dataId),k=(t=this.gpgpu).downloadMatrixFromPackedTexture.apply(t,[C.texture].concat(Or(a))).subarray(0,u);return this.disposeData(f.dataId),k}var j=p().getBool("WEBGL_PACK")&&s===!0,Y=j?vo(a):a,ne=j?new Yo(Y):new Hn(Y),ce=this.runWebGLProgram(ne,[{shape:Y,dtype:i,dataId:e}],"float32"),se=this.texData.get(ce.dataId),le=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(se.texture,se.texShape[0],se.texShape[1]).subarray(0,u);return this.disposeData(ce.dataId),le},r.prototype.time=function(e){return E(this,void 0,void 0,function(){var t,o,a,i,s,u,f;return g(this,function(C){switch(C.label){case 0:return t=this.activeTimers,o=[],a=!1,this.programTimersStack==null?(this.programTimersStack=o,a=!0):this.activeTimers.push(o),this.activeTimers=o,e(),i=me(this.activeTimers.map(function(k){return k.query})).filter(function(k){return k!=null}),s=me(this.activeTimers.map(function(k){return k.name})).filter(function(k){return k!=null}),this.activeTimers=t,a&&(this.programTimersStack=null),u={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null},p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[4,Promise.all(i)]:[3,2];case 1:return f=C.sent(),u.kernelMs=Z(f),u.getExtraProfileInfo=function(){return f.map(function(k,j){return{name:s[j],ms:k}}).map(function(k){return k.name+": "+k.ms}).join(", ")},[3,3];case 2:u.kernelMs={error:"WebGL query timers are not supported in this environment."},C.label=3;case 3:return this.uploadWaitMs=0,this.downloadWaitMs=0,[2,u]}})})},r.prototype.memory=function(){return{unreliable:!1,numBytesInGPU:this.numBytesInGPU}},r.prototype.startTimer=function(){return p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:he(),endMs:null}},r.prototype.endTimer=function(e){return p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),e):(e.endMs=he(),e)},r.prototype.getQueryTime=function(e){return E(this,void 0,void 0,function(){var t;return g(this,function(o){return p().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[2,this.gpgpu.waitForQueryAndGetTime(e)]:[2,(t=e).endMs-t.startMs]})})},r.prototype.disposeData=function(e){if(!this.pendingDisposal.has(e)){if(this.pendingRead.has(e))return this.pendingDisposal.add(e),void this.pendingDeletes++;if(this.texData.has(e)){this.releaseGPUData(e);var t=this.texData.get(e).complexTensors;t!=null&&(t.real.dispose(),t.imag.dispose()),this.texData.delete(e)}}},r.prototype.releaseGPUData=function(e){var t=this.texData.get(e),o=t.texture,a=t.dtype,i=t.texShape,s=t.usage,u=t.isPacked,f=t.slice,C=f&&f.origDataId||e,k=this.dataRefCount.get(C);k>1?this.dataRefCount.set(C,k-1):(this.dataRefCount.delete(C),o!=null&&(this.numBytesInGPU-=this.computeBytes(i,a),this.textureManager.releaseTexture(o,i,s,u)));var j=this.texData.get(e);j.texture=null,j.texShape=null,j.isPacked=!1,j.slice=null},r.prototype.getTexture=function(e){return this.uploadToGPU(e),this.texData.get(e).texture},r.prototype.getDataInfo=function(e){return this.texData.get(e)},r.prototype.getCPUBackend=function(){return p().getBool("WEBGL_CPU_FORWARD")?(this.cpuBackend==null&&(this.cpuBackend=Ve.findBackend("cpu")),this.cpuBackend):null},r.prototype.shouldExecuteOnCPU=function(e,t){var o=this;return t===void 0&&(t=128),this.getCPUBackend()!=null&&e.every(function(a){return o.texData.get(a.dataId).texture==null&&a.size<t})},r.prototype.getGPGPUContext=function(){return this.gpgpu},r.prototype.complex=function(e,t){var o=this.makeOutput(e.shape,"complex64");return this.texData.get(o.dataId).complexTensors={real:Ve.keep(e.clone()),imag:Ve.keep(t.clone())},o},r.prototype.real=function(e){return this.texData.get(e.dataId).complexTensors.real.clone()},r.prototype.imag=function(e){return this.texData.get(e.dataId).complexTensors.imag.clone()},r.prototype.slice=function(e,t,o){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.slice(e,t,o);if(de(o)===0)return Ur([],o,e.dtype);var a=this.texData.get(e.dataId).isPacked,i=Ji(e.shape,t,o);if(a||!i){var s=p().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Md(o):new kd(o),u=s.getCustomSetupFunc(t);return this.compileAndRun(s,[e],null,u)}return this.uploadToGPU(e.dataId),this.shallowSlice(e,t,o)},r.prototype.shallowSlice=function(e,t,o){var a=this.texData.get(e.dataId),i=this.makeOutput(o,e.dtype),s=this.texData.get(i.dataId);Object.assign(s,a),s.shape=o,s.dtype=e.dtype;var u=qi(t,e.strides);a.slice&&(u+=a.slice.flatOffset),s.slice={flatOffset:u,origDataId:a.slice&&a.slice.origDataId||e.dataId};var f=this.dataRefCount.get(s.slice.origDataId)||1;return this.dataRefCount.set(s.slice.origDataId,f+1),i},r.prototype.stridedSlice=function(e,t,o,a){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.stridedSlice(e,t,o,a);var i=Ea(t,o,a);if(i.some(function(u){return u===0}))return Ur([],i);var s=new Pd(t,a,i);return this.compileAndRun(s,[e])},r.prototype.reverse=function(e,t){var o=p().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Id(e.shape,t):new Rd(e.shape,t);return this.compileAndRun(o,[e])},r.prototype.concat=function(e,t){if(e[0].dtype==="complex64"){var o=e.map(function(Y){return un(Y)}),a=e.map(function(Y){return xn(Y)});return xr(this.concat(o,t),this.concat(a,t))}if(this.shouldExecuteOnCPU(e))return this.cpuBackend.concat(e,t);if(e.length===1)return e[0];if(e.length>p().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){var i=Math.floor(e.length/2),s=this.concat(e.slice(0,i),t),u=this.concat(e.slice(i),t);return this.concat([s,u],t)}if(p().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&e[0].rank>1){var f=new ur(e.map(function(Y){return Y.shape}),t);return this.compileAndRun(f,e)}var C=qn(e.map(function(Y){return Y.shape}),t),k=e.map(function(Y){return Y.as2D(-1,de(Y.shape.slice(t)))}),j=new tn(k.map(function(Y){return Y.shape}));return this.compileAndRun(j,k).reshape(C)},r.prototype.neg=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.neg(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Mc,e.dtype);var t=new zt(e.shape,Mc);return this.compileAndRun(t,[e])},r.prototype.batchMatMul=function(e,t,o,a){var i=o?e.shape[2]:e.shape[1],s=a?t.shape[1]:t.shape[2],u=o?e.shape[1]:e.shape[2],f=e.shape[0];if((i===1||s===1)&&u>1e3){o&&(e=e.transpose([0,2,1])),a&&(t=t.transpose([0,2,1]));var C=s===1?e:e.as3D(f,u,1),k=s===1?2:1,j=s===1?t.as3D(f,1,u):t;return this.multiply(C,j).sum(k,!0)}var Y=nr(e.dtype,t.dtype),ne=new su(e.shape,[f,i,s],o,a);return this.compileAndRun(ne,[e,t],Y)},r.prototype.fusedBatchMatMul=function(e){var t=e.a,o=e.b,a=e.transposeA,i=e.transposeB,s=e.bias,u=e.activation,f=e.preluActivationWeights,C=a?t.shape[2]:t.shape[1],k=i?o.shape[1]:o.shape[2],j=t.shape[0],Y=nr(t.dtype,o.dtype),ne=s!=null,ce=f!=null,se=u?us(u,!0):null,le=new su(t.shape,[j,C,k],a,i,ne,se,ce),xe=[t,o];return s&&xe.push(s),f&&xe.push(f),this.compileAndRun(le,xe,Y)},r.prototype.multiply=function(e,t){if(e.dtype==="complex64"){var o=this.texData.get(e.dataId),a=this.texData.get(t.dataId),i=new Wt(gt,e.shape,t.shape),s=new Wt(Ct,e.shape,t.shape),u=[this.makeComplexComponentTensorInfo(e,o.complexTensors.real),this.makeComplexComponentTensorInfo(e,o.complexTensors.imag),this.makeComplexComponentTensorInfo(t,a.complexTensors.real),this.makeComplexComponentTensorInfo(t,a.complexTensors.imag)],f=this.compileAndRun(i,u),C=this.compileAndRun(s,u),k=this.complex(f,C);return f.dispose(),C.dispose(),k}if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.multiply(e,t);if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,or,e.dtype);var j=new Ut(or,e.shape,t.shape);return this.compileAndRun(j,[e,t],e.dtype)},r.prototype.batchNormalization=function(e,t,o,a,i,s){var u=[e,t,o],f=null;s!=null&&(f=s.shape,u.push(s));var C=null;if(i!=null&&(C=i.shape,u.push(i)),p().getBool("WEBGL_PACK_NORMALIZATION")){var k=new At(e.shape,t.shape,o.shape,f,C,a);return this.compileAndRun(k,u)}var j=new Nt(e.shape,t.shape,o.shape,f,C,a);return this.compileAndRun(j,u)},r.prototype.localResponseNormalization4D=function(e,t,o,a,i){var s=p().getBool("WEBGL_PACK_NORMALIZATION")?new pd(e.shape,t,o,a,i):new fd(e.shape,t,o,a,i);return this.compileAndRun(s,[e])},r.prototype.LRNGrad=function(e,t,o,a,i,s,u){var f=new hd(t.shape,a,i,s,u);return this.compileAndRun(f,[t,o,e])},r.prototype.tile=function(e,t){if(e.dtype==="string"){var o=this.readSync(e.dataId).map(function(i){return Qe(i)});return os(jt(e.shape,e.dtype,o),t)}var a=new jd(e.shape,t);return this.compileAndRun(a,[e])},r.prototype.pad=function(e,t,o){var a=p().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new wd(e.shape,t,o):new xd(e.shape,t,o);return this.compileAndRun(a,[e])},r.prototype.transpose=function(e,t){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.transpose(e,t);var o=p().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Bd(e.shape,t):new Ld(e.shape,t);return this.compileAndRun(o,[e])},r.prototype.gather=function(e,t,o){if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.gather(e,t,o);var a=new br(e.shape,t.size,o);return this.compileAndRun(a,[e,t])},r.prototype.batchToSpaceND=function(e,t,o){_(e.rank<=4,function(){return"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet"});var a=t.reduce(function(k,j){return k*j}),i=Wo(e.shape,t,a),s=qt(i.length,t.length),u=wa(e.shape,t,a),f=Gs(o,t.length),C=Vs(u,o,t.length);return e.reshape(i).transpose(s).reshape(u).slice(f,C)},r.prototype.spaceToBatchND=function(e,t,o){_(e.rank<=4,function(){return"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet"});var a=t.reduce(function(j,Y){return j*Y}),i=[[0,0]];i.push.apply(i,o);for(var s=1+t.length;s<e.shape.length;++s)i.push([0,0]);var u=e.pad(i),f=Wo(u.shape,t,a,!1),C=qt(f.length,t.length,!1),k=wa(u.shape,t,a,!1);return u.reshape(f).transpose(C).reshape(k)},r.prototype.reduce=function(e,t,o){var a=e.shape[0],i=e.shape[1],s=ai(i),u=new Ed({windowSize:s,inSize:i,batchSize:a},t),f=this.compileAndRun(u,[e],o);return f.shape[1]===1?f:this.reduce(f,t,o)},r.prototype.argReduce=function(e,t,o){o===void 0&&(o=null);var a=e.shape[0],i=e.shape[1];o!=null&&(a=o.shape[0],i=o.shape[1]);var s=ai(i),u=new fc({windowSize:s,inSize:i,batchSize:a},t,o==null),f=[e];o!=null&&f.push(o);var C=this.compileAndRun(u,f,"int32");return C.shape[1]===1?C:this.argReduce(e,t,C)},r.prototype.argReducePacked=function(e,t,o){o===void 0&&(o=null);var a=o!=null?o.shape:e.shape,i=ai(a[a.length-1]),s=new yt(a,i,t,o==null),u=o==null?[e]:[e,o],f=this.compileAndRun(s,u,"int32");return f.rank===e.rank?this.argReducePacked(e,t,f):f},r.prototype.sum=function(e,t){on("sum",t,e.rank);var o=Gr(e.shape,t),a=o[0],i=de(o[1]),s=e.as2D(-1,i),u=hr(e.dtype);return this.reduce(s,"sum",u).reshape(a)},r.prototype.prod=function(e,t){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.prod(e,t);var o=Gr(e.shape,t),a=o[0],i=de(o[1]),s=e.as2D(-1,i),u=hr(e.dtype);return this.reduce(s,"prod",u).reshape(a)},r.prototype.unsortedSegmentSum=function(e,t,o){var a=0,i=sn([a],e.rank),s=e;i!=null&&(s=e.transpose(i),a=fn(1,e.rank)[0]);var u=function(Y,ne,ce){for(var se=[],le=Y.length,xe=0;xe<le;xe++)xe!==ne?se.push(Y[xe]):se.push(ce);return se}(s.shape,a,o),f=de([s.shape[a]]),C=s.as2D(-1,f),k=hr(e.dtype),j=this.segOpCompute(C,"unsortedSegmentSum",t,k,o).reshape(u);return i!=null&&(j=j.transpose(bo(i))),j},r.prototype.segOpCompute=function(e,t,o,a,i){var s=e.shape[0],u=e.shape[1],f=function(j,Y){var ne,ce=!1;for(j<=Ki?(ne=j,ce=!0):ne=ye(j,Math.floor(Math.sqrt(j)));!ce;)ne>Y||ne===j?ce=!0:ne=ye(j,ne+1);return ne}(u,i),C=new Nd({windowSize:f,inSize:u,batchSize:s,numSegments:i},t),k=this.compileAndRun(C,[e,o],a);return k.shape[1]===i?k:(o=fa(0,i).tile([u/f]),this.segOpCompute(k,t,o,a,i))},r.prototype.argMinMaxReduce=function(e,t,o){var a=[t];if(on("arg"+o.charAt(0).toUpperCase()+o.slice(1),a,e.rank),!p().getBool("WEBGL_PACK_REDUCE")||e.rank<=2){var i=Gr(e.shape,a),s=i[0],u=de(i[1]),f=e.as2D(-1,u);return this.argReduce(f,o).reshape(s)}return this.argReducePacked(e,o)},r.prototype.argMin=function(e,t){return this.argMinMaxReduce(e,t,"min")},r.prototype.argMax=function(e,t){return this.argMinMaxReduce(e,t,"max")},r.prototype.cumsum=function(e,t,o,a){if(t!==e.rank-1)throw new Error("WebGL cumsum shader expects an inner-most axis="+(e.rank-1)+" but got axis="+t);var i=new Zt(e.shape,o,a);return this.compileAndRun(i,[e])},r.prototype.equal=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(equal(a, b));
`,"bool");var o=new Ut("return float(a == b);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.notEqual=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(notEqual(a, b));
`,"bool");var o=new Ut("return float(a != b);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.less=function(e,t){if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.less(e,t);if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(lessThan(a, b));
`,"bool");var o=new Ut("return float(a < b);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.lessEqual=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(lessThanEqual(a, b));
`,"bool");var o=new Ut("return float(a <= b);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.greater=function(e,t){if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.greater(e,t);if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(greaterThan(a, b));
`,"bool");var o=new Ut("return float(a > b);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.greaterEqual=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(greaterThanEqual(a, b));
`,"bool");var o=new Ut("return float(a >= b);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.logicalNot=function(e){var t=new zt(e.shape,"return float(!(x >= 1.0));");return this.compileAndRun(t,[e])},r.prototype.logicalAnd=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return vec4(
vec4(greaterThanEqual(a, vec4(1.0))) *
vec4(greaterThanEqual(b, vec4(1.0))));
`,"bool");var o=new Ut("return float(a >= 1.0 && b >= 1.0);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.logicalOr=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
return min(
vec4(greaterThanEqual(a, vec4(1.0))) +
vec4(greaterThanEqual(b, vec4(1.0))),
vec4(1.0));
`,"bool");var o=new Ut("return float(a >= 1.0 || b >= 1.0);",e.shape,t.shape);return this.compileAndRun(o,[e,t],"bool")},r.prototype.select=function(e,t,o){var a=new Dd(e.rank,t.shape,t.rank);return this.compileAndRun(a,[e,t,o],nr(t.dtype,o.dtype))},r.prototype.where=function(e){da("tf.where() in webgl locks the UI thread. Call tf.whereAsync() instead");var t=e.dataSync();return fi(e.shape,t)},r.prototype.topk=function(e,t,o){return as(e.dataSync(),e.shape,e.dtype,t)},r.prototype.min=function(e,t){on("min",t,e.rank);var o=Gr(e.shape,t),a=o[0],i=de(o[1]),s=e.as2D(-1,i);return this.reduce(s,"min",s.dtype).reshape(a)},r.prototype.minimum=function(e,t){if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.minimum(e,t);var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(`
vec4 result = vec4(min(a, b));
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
return result;
`,e.shape,t.shape):new Ut(`
if (isnan(a)) return a;
if (isnan(b)) return b;
return min(a, b);
`,e.shape,t.shape);return this.compileAndRun(o,[e,t])},r.prototype.mod=function(e,t){var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(`
vec4 result = mod(a, b);
vec4 isNaN = vec4(equal(b, vec4(0.0)));
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
return result;
`,e.shape,t.shape):new Ut(`if (b == 0.0) return NAN;
return mod(a, b);`,e.shape,t.shape);return this.compileAndRun(o,[e,t])},r.prototype.max=function(e,t){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.max(e,t);on("max",t,e.rank);var o=Gr(e.shape,t),a=o[0],i=de(o[1]),s=e.as2D(-1,i);return this.reduce(s,"max",s.dtype).reshape(a)},r.prototype.maximum=function(e,t){if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.maximum(e,t);var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(`
vec4 result = vec4(max(a, b));
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
return result;
`,e.shape,t.shape):new Ut(`
if (isnan(a)) return a;
if (isnan(b)) return b;
return max(a, b);
`,e.shape,t.shape);return this.compileAndRun(o,[e,t])},r.prototype.all=function(e,t){on("all",t,e.rank);var o=Gr(e.shape,t),a=o[0],i=de(o[1]),s=e.as2D(-1,i);return this.reduce(s,"all",s.dtype).reshape(a)},r.prototype.any=function(e,t){on("any",t,e.rank);var o=Gr(e.shape,t),a=o[0],i=de(o[1]),s=e.as2D(-1,i);return this.reduce(s,"any",s.dtype).reshape(a)},r.prototype.realDivide=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
// vec4 one = vec4(equal(a, b));
// return one + (vec4(1.0) - one) * a / b;
vec4 result = a / b;
if(a.x == b.x) {
result.x = 1.;
}
if(a.y == b.y) {
result.y = 1.;
}
if(a.z == b.z) {
result.z = 1.;
}
if(a.w == b.w) {
result.w = 1.;
}
return result;
`,"float32",!0);var o=new Ut(`
if (a == b) {
return 1.0;
};
return a / b;`,e.shape,t.shape);return this.compileAndRun(o,[e,t],"float32")},r.prototype.floorDiv=function(e,t){if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,`
ivec4 ia = round(a);
ivec4 ib = round(b);
bvec4 cond = notEqual(ib, ivec4(0));
ivec4 result = ivec4(0);
vec4 s = sign(a) * sign(b);
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
if (cond[0]) {
result[0] = idiv(ia[0], ib[0], s[0]);
}
if (cond[1]) {
result[1] = idiv(ia[1], ib[1], s[1]);
}
if (cond[2]) {
result[2] = idiv(ia[2], ib[2], s[2]);
}
if (cond[3]) {
result[3] = idiv(ia[3], ib[3], s[3]);
}
return vec4(result);
`,"int32");var o=new Ut(`
float s = sign(a) * sign(b);
int ia = round(a);
int ib = round(b);
if (ib != 0) {
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
return float(idiv(ia, ib, s));
} else {
return NAN;
}
`,e.shape,t.shape);return this.compileAndRun(o,[e,t],"int32")},r.prototype.add=function(e,t){if(e.dtype==="complex64"&&t.dtype==="complex64")return this.complexSeparableBinaryOp(e,t,sr);if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.add(e,t);var o=nr(e.dtype,t.dtype);if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,sr,o);var a=new Ut(sr,e.shape,t.shape);return this.compileAndRun(a,[e,t],o)},r.prototype.packedUnaryOp=function(e,t,o){var a=new xi(e.shape,t);return this.compileAndRun(a,[e],o)},r.prototype.packedBinaryOp=function(e,t,o,a,i){i===void 0&&(i=!1);var s=new lr(o,e.shape,t.shape,i);return this.compileAndRun(s,[e,t],a)},r.prototype.complexSeparableBinaryOp=function(e,t,o){var a=this,i=this.texData.get(e.dataId),s=this.texData.get(t.dataId),u=[[i.complexTensors.real,s.complexTensors.real],[i.complexTensors.imag,s.complexTensors.imag]].map(function(j){var Y=j[0],ne=j[1],ce=a.makeComplexComponentTensorInfo(e,Y),se=a.makeComplexComponentTensorInfo(t,ne),le=new Ut(o,e.shape,t.shape);return a.compileAndRun(le,[ce,se],nr(Y.dtype,ne.dtype))}),f=u[0],C=u[1],k=this.complex(f,C);return f.dispose(),C.dispose(),k},r.prototype.makeComplexComponentTensorInfo=function(e,t){return{dataId:t.dataId,dtype:t.dtype,shape:e.shape}},r.prototype.addN=function(e){if(e.length===1)return e[0];if(e.length>p().get("WEBGL_MAX_TEXTURES_IN_SHADER")){var t=Math.floor(e.length/2),o=this.addN(e.slice(0,t)),a=this.addN(e.slice(t));return this.addN([o,a])}var i=e.map(function(f){return f.dtype}).reduce(function(f,C){return nr(f,C)}),s=e.map(function(f){return f.shape}),u=p().getBool("WEBGL_PACK")?new dc(e[0].shape,s):new ou(e[0].shape,s);return this.compileAndRun(u,e,i)},r.prototype.subtract=function(e,t){if(e.dtype==="complex64"&&t.dtype==="complex64")return this.complexSeparableBinaryOp(e,t,vr);if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.subtract(e,t);var o=nr(e.dtype,t.dtype);if(p().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,vr,e.dtype);var a=new Ut(vr,e.shape,t.shape);return this.compileAndRun(a,[e,t],o)},r.prototype.pow=function(e,t){var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(`
// isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.
vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));
vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);
vec4 result = multiplier * pow(abs(a), b);
// Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS
bvec4 isExpZero = equal(b, vec4(0.0));
result.r = isExpZero.r ? 1.0 : result.r;
result.g = isExpZero.g ? 1.0 : result.g;
result.b = isExpZero.b ? 1.0 : result.b;
result.a = isExpZero.a ? 1.0 : result.a;
vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
return result;
`,e.shape,t.shape):new Ut(`
if(a < 0.0 && floor(b) < b){
return NAN;
}
if (b == 0.0) {
return 1.0;
}
return (round(mod(b, 2.0)) != 1) ?
pow(abs(a), b) : sign(a) * pow(abs(a), b);
`,e.shape,t.shape),a=nr(e.dtype,t.dtype);return this.compileAndRun(o,[e,t],a)},r.prototype.ceil=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.ceil(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Pc,e.dtype);var t=new zt(e.shape,Pc);return this.compileAndRun(t,[e])},r.prototype.floor=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.floor(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Fc,e.dtype);var t=new zt(e.shape,Fc);return this.compileAndRun(t,[e])},r.prototype.sign=function(e){var t=new zt(e.shape,`
if (isnan(x)) { return 0.0; }
return sign(x);
`);return this.compileAndRun(t,[e])},r.prototype.isNaN=function(e){var t=new zt(e.shape,"return float(isnan(x));");return this.compileAndRun(t,[e],"bool")},r.prototype.isInf=function(e){var t=new zt(e.shape,"return float(isinf(x));");return this.compileAndRun(t,[e],"bool")},r.prototype.isFinite=function(e){var t=new zt(e.shape,"return float(!isnan(x) && !isinf(x));");return this.compileAndRun(t,[e],"bool")},r.prototype.round=function(e){var t=new zt(e.shape,`
// OpenGL ES does not support round function.
// The algorithm is based on banker's rounding.
float base = floor(x);
if ((x - base) < 0.5) {
return floor(x);
} else if ((x - base) > 0.5) {
return ceil(x);
} else {
if (mod(base, 2.0) == 0.0) {
return base;
} else {
return base + 1.0;
}
}
`);return this.compileAndRun(t,[e])},r.prototype.exp=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.exp(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,jc,e.dtype);var t=new zt(e.shape,jc);return this.compileAndRun(t,[e])},r.prototype.expm1=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.expm1(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Lc,e.dtype);var t=new zt(e.shape,Lc);return this.compileAndRun(t,[e])},r.prototype.softmax=function(e,t){var o=ue([t],e.shape),a=this.max(e,o),i=Vr(a.shape,o),s=this.subtract(e,a.reshape(i)),u=this.exp(s),f=this.sum(u,o).reshape(i);return this.realDivide(u,f)},r.prototype.log=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.log(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,`
vec4 result = log(x);
vec4 isNaN = vec4(lessThan(x, vec4(0.0)));
result.r = isNaN.r == 1.0 ? NAN : result.r;
result.g = isNaN.g == 1.0 ? NAN : result.g;
result.b = isNaN.b == 1.0 ? NAN : result.b;
result.a = isNaN.a == 1.0 ? NAN : result.a;
return result;
`,e.dtype);var t=new zt(e.shape,`if (x < 0.0) return NAN;
return log(x);`);return this.compileAndRun(t,[e])},r.prototype.log1p=function(e){var t=new zt(e.shape,"return log(1.0 + x);");return this.compileAndRun(t,[e])},r.prototype.sqrt=function(e){var t=new zt(e.shape,"return sqrt(x);");return this.compileAndRun(t,[e])},r.prototype.rsqrt=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.rsqrt(e);var t=new zt(e.shape,"return inversesqrt(x);");return this.compileAndRun(t,[e])},r.prototype.reciprocal=function(e){var t=new zt(e.shape,"return 1.0 / x;");return this.compileAndRun(t,[e])},r.prototype.relu=function(e){var t;return t=p().getBool("WEBGL_PACK")?new xi(e.shape,Bc):new zt(e.shape,Nc),this.compileAndRun(t,[e])},r.prototype.relu6=function(e){var t;return t=p().getBool("WEBGL_PACK")?new xi(e.shape,Uc):new zt(e.shape,Dc),this.compileAndRun(t,[e])},r.prototype.prelu=function(e,t){var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(kr,e.shape,t.shape):new Ut(Gt,e.shape,t.shape);return this.compileAndRun(o,[e,t])},r.prototype.elu=function(e){if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Wc,e.dtype);var t=new zt(e.shape,kc);return this.compileAndRun(t,[e])},r.prototype.eluDer=function(e,t){var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(`
vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));
return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));
`,e.shape,t.shape):new Ut("return (b >= 1.0) ? a : a * (b + 1.0);",e.shape,t.shape);return this.compileAndRun(o,[e,t])},r.prototype.selu=function(e){var t=new zt(e.shape,Wd);return this.compileAndRun(t,[e])},r.prototype.int=function(e){var t=new zt(e.shape,"return float(int(x));");return this.compileAndRun(t,[e],"int32")},r.prototype.clip=function(e,t,o){var a,i=(a=p().getBool("WEBGL_PACK_CLIP")?new Yr(e.shape):new Xr(e.shape)).getCustomSetupFunc(t,o);return this.compileAndRun(a,[e],null,i)},r.prototype.abs=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.abs(e);if(p().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(e,Ic,e.dtype);var t=new zt(e.shape,Ic);return this.compileAndRun(t,[e])},r.prototype.complexAbs=function(e){var t=this.texData.get(e.dataId),o=new Rt(e.shape),a=[this.makeComplexComponentTensorInfo(e,t.complexTensors.real),this.makeComplexComponentTensorInfo(e,t.complexTensors.imag)];return this.compileAndRun(o,a)},r.prototype.sigmoid=function(e){var t=new zt(e.shape,"return 1.0 / (1.0 + exp(-1.0 * x));");return this.compileAndRun(t,[e])},r.prototype.softplus=function(e){var t=new zt(e.shape,`
float epsilon = 1.1920928955078125e-7;
float threshold = log(epsilon) + 2.0;
bool too_large = x > -threshold;
bool too_small = x < threshold;
float result;
float exp_x = exp(x);
if (too_large){
result = x;
}
else if (too_small){
result = exp_x;
}
else{
result = log(exp_x + 1.0);
}
return result;
`);return this.compileAndRun(t,[e])},r.prototype.sin=function(e){var t=new zt(e.shape,Hd);return this.compileAndRun(t,[e])},r.prototype.cos=function(e){var t=new zt(e.shape,zd);return this.compileAndRun(t,[e])},r.prototype.tan=function(e){var t=new zt(e.shape,"return tan(x);");return this.compileAndRun(t,[e])},r.prototype.asin=function(e){var t=new zt(e.shape,Gd);return this.compileAndRun(t,[e])},r.prototype.acos=function(e){var t=new zt(e.shape,Vd);return this.compileAndRun(t,[e])},r.prototype.atan=function(e){var t=new zt(e.shape,Xd);return this.compileAndRun(t,[e])},r.prototype.atan2=function(e,t){var o=p().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new lr(`
vec4 result = atan(a, b);
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
return result;
`,e.shape,t.shape):new Ut(`
if (isnan(a)) return a;
if (isnan(b)) return b;
return atan(a, b);
`,e.shape,t.shape);return this.compileAndRun(o,[e,t])},r.prototype.sinh=function(e){var t=new zt(e.shape,`
float e2x = exp(x);
return (e2x - 1.0 / e2x) / 2.0;
`);return this.compileAndRun(t,[e])},r.prototype.cosh=function(e){var t=new zt(e.shape,`
float e2x = exp(-x);
return (e2x + 1.0 / e2x) / 2.0;
`);return this.compileAndRun(t,[e])},r.prototype.tanh=function(e){var t=new zt(e.shape,`
float e2x = exp(-2.0 * abs(x));
return sign(x) * (1.0 - e2x) / (1.0 + e2x);
`);return this.compileAndRun(t,[e])},r.prototype.asinh=function(e){var t=new zt(e.shape,Kd);return this.compileAndRun(t,[e])},r.prototype.acosh=function(e){var t=new zt(e.shape,Yd);return this.compileAndRun(t,[e])},r.prototype.atanh=function(e){var t=new zt(e.shape,$d);return this.compileAndRun(t,[e])},r.prototype.erf=function(e){var t=new zt(e.shape,`
// Error function is calculated approximately with elementary function.
// See "Handbook of Mathematical Functions with Formulas,
// Graphs, and Mathematical Tables", Abramowitz and Stegun.
float p = 0.3275911;
float a1 = 0.254829592;
float a2 = -0.284496736;
float a3 = 1.421413741;
float a4 = -1.453152027;
float a5 = 1.061405429;
float sign = sign(x);
x = abs(x);
float t = 1.0 / (1.0 + p * x);
return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));
`);return this.compileAndRun(t,[e])},r.prototype.step=function(e,t){var o=new zt(e.shape,function(a){return a===void 0&&(a=0),Nn+`
return x > 0.0 ? 1.0 : float(`+a+`);
`}(t));return this.compileAndRun(o,[e])},r.prototype.conv2dByMatMul=function(e,t,o,a,i,s){var u=e.shape,f=this.texData.get(e.dataId),C=o.inChannels,k=u[0]*u[1]*u[2],j=o.outChannels,Y=o.dataFormat==="channelsLast",ne=(k===1||j===1)&&C>1e3,ce=u[2]%2!=0&&!!f.isPacked;if(ne||!p().getBool("WEBGL_LAZILY_UNPACK")||!p().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!ce){var se=Y?u[0]*u[1]*u[2]:u[0]*u[2]*u[3],le=this.reshape(e,[1,se,o.inChannels]),xe=this.reshape(t,[1,o.inChannels,o.outChannels]);return this.reshape(this.fusedBatchMatMul({a:le,b:xe,transposeA:!1,transposeB:!1,bias:a,activation:i,preluActivationWeights:s}),o.outShape)}var Ee=Y?u[0]*u[1]*(u[2]+1):u[0]*u[2]*(u[3]+1),_e={dataId:e.dataId,shape:[1,Ee,o.inChannels],dtype:e.dtype},Te=f.shape;f.shape=f.shape.slice(),f.shape[f.shape.length-2]++,_(go(f.shape,_e.shape),function(){return"packed reshape "+f.shape+" to "+_e.shape+" isn't free"});var Me=this.reshape(t,[1,o.inChannels,o.outChannels]),He=this.fusedBatchMatMul({a:_e,b:Me,transposeA:!1,transposeB:!1,bias:a,activation:i,preluActivationWeights:s}),Be=this.texData.get(He.dataId);return _(Be.isPacked,function(){return"batchMatMul result is expected to be packed"}),f.shape=Te,Be.shape=o.outShape,Ve.makeTensorFromDataId(He.dataId,o.outShape,He.dtype)},r.prototype.conv2dWithIm2Row=function(e,t,o,a,i,s){var u=o.filterWidth,f=o.filterHeight,C=o.inChannels,k=o.outWidth,j=o.outHeight,Y=o.dataFormat==="channelsLast",ne=u*f*C,ce=j*k,se=[ne,ce],le=e.squeeze([0]),xe=t.reshape([1,ne,-1]),Ee=new dd(se,le.shape,o),_e=this.compileAndRun(Ee,[le]).reshape([1,se[0],se[1]]),Te=a!=null,Me=s!=null,He=i?us(i,!0):null,Be=new su(_e.shape,[1,ce,o.outChannels],!0,!1,Te,He,Me),Le=[_e,xe];a&&Le.push(a),Me&&Le.push(s);var Ue=this.compileAndRun(Be,Le);return Y?Ue.reshape([1,j,k,o.outChannels]):Ue.reshape([1,o.outChannels,j,k])},r.prototype.fusedConv2d=function(e){var t=e.input,o=e.filter,a=e.convInfo,i=e.bias,s=e.activation,u=e.preluActivationWeights;if(a.filterHeight===1&&a.filterWidth===1&&a.dilationHeight===1&&a.dilationWidth===1&&a.strideHeight===1&&a.strideWidth===1&&(a.padInfo.type==="SAME"||a.padInfo.type==="VALID"))return this.conv2dByMatMul(t,o,a,i,s,u);if(p().getBool("WEBGL_CONV_IM2COL")&&t.shape[0]===1)return this.conv2dWithIm2Row(t,o,a,i,s,u);var f=i!=null,C=u!=null,k=s?us(s,!1):null,j=new Dt(a,f,k,C),Y=[t,o];return i&&Y.push(i),u&&Y.push(u),this.compileAndRun(j,Y)},r.prototype.conv2d=function(e,t,o){if(o.filterHeight===1&&o.filterWidth===1&&o.dilationHeight===1&&o.dilationWidth===1&&o.strideHeight===1&&o.strideWidth===1&&(o.padInfo.type==="SAME"||o.padInfo.type==="VALID"))return this.conv2dByMatMul(e,t,o);if(p().getBool("WEBGL_CONV_IM2COL")&&e.shape[0]===1)return this.conv2dWithIm2Row(e,t,o);var a=new Dt(o);return this.compileAndRun(a,[e,t])},r.prototype.conv2dDerInput=function(e,t,o){var a=new Rn(o);return this.compileAndRun(a,[e,t])},r.prototype.conv2dDerFilter=function(e,t,o){var a=new Un(o);return this.compileAndRun(a,[e,t])},r.prototype.fusedDepthwiseConv2D=function(e){var t,o=e.input,a=e.filter,i=e.convInfo,s=e.bias,u=e.activation,f=e.preluActivationWeights,C=p().getBool("WEBGL_PACK_DEPTHWISECONV")&&i.strideWidth<=2&&i.outChannels/i.inChannels==1,k=u?us(u,C):null,j=[o,a],Y=s!=null,ne=f!=null;return Y&&j.push(s),ne&&j.push(f),C?(t=new dr(i,Y,k,ne),this.compileAndRun(t,j)):(t=new yr(i,Y,k,ne),this.compileAndRun(t,j))},r.prototype.depthwiseConv2D=function(e,t,o){var a;return p().getBool("WEBGL_PACK_DEPTHWISECONV")&&o.strideWidth<=2&&o.outChannels/o.inChannels==1?(a=new dr(o),this.compileAndRun(a,[e,t])):(a=new yr(o),this.compileAndRun(a,[e,t]))},r.prototype.depthwiseConv2DDerInput=function(e,t,o){var a=new gr(o);return this.compileAndRun(a,[e,t])},r.prototype.depthwiseConv2DDerFilter=function(e,t,o){var a=new hi(o);return this.compileAndRun(a,[e,t])},r.prototype.conv3d=function(e,t,o){var a=new Vt(o);return this.compileAndRun(a,[e,t])},r.prototype.conv3dDerInput=function(e,t,o){var a=new Wn(o);return this.compileAndRun(a,[e,t])},r.prototype.conv3dDerFilter=function(e,t,o){var a=new Ko(o);return this.compileAndRun(a,[e,t])},r.prototype.maxPool=function(e,t){var o=new uu(t,"max",!1);return this.compileAndRun(o,[e])},r.prototype.avgPool=function(e,t){var o=new uu(t,"avg",!1);return this.compileAndRun(o,[e],"float32")},r.prototype.maxPoolBackprop=function(e,t,o,a){var i=new uu(a,"max",!0),s=this.compileAndRun(i,[t]),u=new md(a),f=this.compileAndRun(u,[e,s],t.dtype);return s.dispose(),f},r.prototype.avgPoolBackprop=function(e,t,o){var a=new _t(o);return this.compileAndRun(a,[e],t.dtype)},r.prototype.cast=function(e,t){return ci(e,t,this)},r.prototype.unstack=function(e,t){for(var o=e.shape[t],a=new Array(e.rank-1),i=0,s=0;s<e.rank;s++)s!==t&&(a[i++]=e.shape[s]);var u=new Array(e.rank).fill(0),f=e.shape.slice();f[t]=1;var C=new Array(o);for(s=0;s<C.length;s++)u[t]=s,C[s]=this.slice(e,u,f).reshape(a);return C},r.prototype.avgPool3d=function(e,t){var o=new cu(t,"avg",!1);return this.compileAndRun(o,[e],"float32")},r.prototype.avgPool3dBackprop=function(e,t,o){var a=new Tt(o);return this.compileAndRun(a,[e],t.dtype)},r.prototype.maxPool3d=function(e,t){var o=new cu(t,"max",!1);return this.compileAndRun(o,[e],"float32")},r.prototype.maxPool3dBackprop=function(e,t,o,a){var i=new cu(a,"max",!0),s=this.compileAndRun(i,[t]),u=new vd(a),f=this.compileAndRun(u,[e,s],t.dtype);return s.dispose(),f},r.prototype.reshape=function(e,t){var o=this.texData.get(e.dataId);if(o.isPacked&&!go(e.shape,t)&&(o.texture===null||!go(o.shape,t))){var a=this.packedReshape(e,t);return Ve.makeTensorFromDataId(a.dataId,a.shape,a.dtype)}return Aa(e,t)},r.prototype.resizeBilinear=function(e,t,o,a){var i=p().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new Sd(e.shape,t,o,a):new Td(e.shape,t,o,a);return this.compileAndRun(i,[e],"float32")},r.prototype.resizeBilinearBackprop=function(e,t,o){var a=new Cd(e,t,o);return this.compileAndRun(a,[e])},r.prototype.resizeNearestNeighbor=function(e,t,o,a){var i=new Od(e.shape,t,o,a);return this.compileAndRun(i,[e])},r.prototype.resizeNearestNeighborBackprop=function(e,t,o){var a=new Ad(e,t,o);return this.compileAndRun(a,[e])},r.prototype.multinomial=function(e,t,o,a){var i=t?e:zo(e),s=i.shape[0],u=i.shape[1],f=new gd(s,u,o),C=f.getCustomSetupFunc(a);return this.compileAndRun(f,[i],"int32",C)},r.prototype.oneHot=function(e,t,o,a){var i=new yd(e.size,t,o,a);return this.compileAndRun(i,[e])},r.prototype.diag=function(e){var t=new ro(e.size);return this.compileAndRun(t,[e])},r.prototype.nonMaxSuppression=function(e,t,o,a,i){return da("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead"),li(e.dataSync(),t.dataSync(),o,a,i)},r.prototype.cropAndResize=function(e,t,o,a,i,s){var u=new Lt(e.shape,t.shape,a,i,s);return this.compileAndRun(u,[e,t,o],"float32")},r.prototype.depthToSpace=function(e,t,o){_(t>1,function(){return"blockSize should be > 1 for depthToSpace, but was: "+t});var a=e.shape[0],i=o==="NHWC"?e.shape[1]:e.shape[2],s=o==="NHWC"?e.shape[2]:e.shape[3],u=o==="NHWC"?e.shape[3]:e.shape[1],f=i*t,C=s*t,k=u/(t*t),j=new wr(o==="NHWC"?[a,f,C,k]:[a,k,f,C],t,o);return this.compileAndRun(j,[e])},r.prototype.split=function(e,t,o){return ns(e,t,o)},r.prototype.scatterND=function(e,t,o){var a=Ho(0,e,o),i=a.sliceRank,s=a.numUpdates,u=a.sliceSize,f=a.strides,C=a.outputSize,k=[C/u,u],j=e.reshape([s,i]),Y=t.reshape([s,u]);if(C===0)return Aa(Ur([]),o);var ne=It(0),ce=new Ac(s,i,j.rank,Y.rank,f,k);return this.compileAndRun(ce,[Y,j,ne]).reshape(o)},r.prototype.sparseToDense=function(e,t,o,a){var i=Ho(0,e,o),s=i.sliceRank,u=i.numUpdates,f=i.strides,C=i.outputSize,k=new Ac(u,s,e.rank,t.rank,f,[C,1],!1);return this.compileAndRun(k,[t,e,a]).reshape(o)},r.prototype.fft=function(e){return this.fftImpl(e,!1)},r.prototype.ifft=function(e){return this.fftImpl(e,!0)},r.prototype.fftImpl=function(e,t){var o=this.texData.get(e.dataId),a=new Ia(pi,e.shape,t),i=new Ia(mi,e.shape,t),s=[this.makeComplexComponentTensorInfo(e,o.complexTensors.real),this.makeComplexComponentTensorInfo(e,o.complexTensors.imag)],u=this.compileAndRun(a,s),f=this.compileAndRun(i,s),C=this.complex(u,f).as2D(e.shape[0],e.shape[1]);return u.dispose(),f.dispose(),C},r.prototype.gatherND=function(e,t){var o=t.shape,a=o[o.length-1],i=Xi(e,t),s=i[0],u=i[1],f=i[2],C=i[3],k=t.reshape([u,a]),j=e.reshape([e.size/f,f]),Y=new gi(a,C,[u,f]);return this.compileAndRun(Y,[j,k]).reshape(s)},r.prototype.fill=function(e,t,o){if((o=o||ot(t))==="string"){var a=De(o,de(e));return a.fill(t),Ve.makeTensor(a,e,o,this)}var i=new vi(e,t),s=i.getCustomSetupFunc(t);return this.compileAndRun(i,[],o,s)},r.prototype.onesLike=function(e){if(e.dtype==="string")throw new Error("onesLike is not supported under string dtype");return this.fill(e.shape,1,e.dtype)},r.prototype.zerosLike=function(e){return this.fill(e.shape,e.dtype==="string"?"":0,e.dtype)},r.prototype.linspace=function(e,t,o){return Zi(e,t,o)},r.prototype.makeTensorInfo=function(e,t){var o=this.write(null,e,t);return this.texData.get(o).usage=null,{dataId:o,shape:e,dtype:t}},r.prototype.makeOutput=function(e,t){var o=this.makeTensorInfo(e,t).dataId;return Ve.makeTensorFromDataId(o,e,t,this)},r.prototype.unpackTensor=function(e){var t=new qd(e.shape);return this.runWebGLProgram(t,[e],e.dtype)},r.prototype.packTensor=function(e){var t=new bd(e.shape);return this.runWebGLProgram(t,[e],e.dtype,null,!0)},r.prototype.packedReshape=function(e,t){var o=[po(e.shape)].concat(mo(e.shape)),a={dtype:e.dtype,shape:o,dataId:e.dataId},i=[po(t)].concat(mo(t)),s=new _d(i,o),u=this.runWebGLProgram(s,[a],e.dtype,null,!0);return{dataId:u.dataId,shape:t,dtype:u.dtype}},r.prototype.decode=function(e){var t,o=this.texData.get(e),a=o.isPacked,i=o.shape,s=o.dtype,u=vo(i);return t=a?new Xt(u):new pr(u),{dtype:s,shape:i,dataId:this.runWebGLProgram(t,[{shape:u,dtype:s,dataId:e}],s,null,!0).dataId}},r.prototype.runWebGLProgram=function(e,t,o,a,i){var s=this;i===void 0&&(i=!1);var u=this.makeTensorInfo(e.outputShape,o),f=this.texData.get(u.dataId);if(e.packedOutput&&(f.isPacked=!0),e.outPackingScheme===Mo.DENSE){var C=Or(e.outputShape);f.texShape=C.map(function(Ee){return 2*Ee})}if(e.outTexUsage!=null&&(f.usage=e.outTexUsage),de(u.shape)===0)return f.values=Se(u.dtype,0),u;var k=[],j=t.map(function(Ee){if(Ee.dtype==="complex64")throw new Error("GPGPUProgram does not support complex64 input. For complex64 dtypes, please separate the program into real and imaginary parts.");var _e=s.texData.get(Ee.dataId);if(_e.texture==null){if(!e.packedInputs&&de(Ee.shape)<=p().getNumber("WEBGL_SIZE_UPLOAD_UNIFORM"))return{shape:Ee.shape,texData:null,isUniform:!0,uniformValues:_e.values};e.packedInputs&&(_e.isPacked=!0,_e.shape=Ee.shape)}else if(!!_e.isPacked!=!!e.packedInputs)Ee=_e.isPacked?s.unpackTensor(Ee):s.packTensor(Ee),k.push(Ee),_e=s.texData.get(Ee.dataId);else if(_e.isPacked&&!go(_e.shape,Ee.shape)){var Te=Ee,Me=Ee.shape;Ee.shape=_e.shape,Ee=s.packedReshape(Ee,Me),k.push(Ee),_e=s.texData.get(Ee.dataId),Te.shape=Me}return s.uploadToGPU(Ee.dataId),{shape:Ee.shape,texData:_e,isUniform:!1}});this.uploadToGPU(u.dataId);var Y,ne={shape:u.shape,texData:f,isUniform:!1},ce=function(Ee,_e,Te){var Me="";_e.concat(Te).forEach(function(Le){var Ue=Le.texData!=null&&Le.texData.slice!=null&&Le.texData.slice.flatOffset>0,Ze=Le.isUniform?"uniform":Le.texData.texShape;Me+=Le.shape+"_"+Ze+"_"+Ue});var He=Ee.userCode,Be=Ee.constructor.name;return Be+="_"+Me+"_"+He}(e,j,ne),se=this.getAndSaveBinary(ce,function(){return function(Ee,_e,Te,Me){var He=_e.userCode,Be=Te.map(function(ct,xt){var wt={logicalShape:ct.shape,texShape:ct.isUniform?null:ct.texData.texShape,isUniform:ct.isUniform,isPacked:!ct.isUniform&&ct.texData.isPacked,flatOffset:null};return ct.texData!=null&&ct.texData.slice!=null&&ct.texData.slice.flatOffset>0&&(wt.flatOffset=ct.texData.slice.flatOffset),{name:_e.variableNames[xt],shapeInfo:wt}}),Le=Be.map(function(ct){return ct.shapeInfo}),Ue={logicalShape:Me.shape,texShape:Me.texData.texShape,isUniform:!1,isPacked:Me.texData.isPacked,flatOffset:null},Ze=P(Be,Ue,He,_e.packedInputs),Je=Ee.createProgram(Ze),ht=null,lt=Ee.getUniformLocation(Je,"NAN",!1);p().getNumber("WEBGL_VERSION")===1&&(ht=Ee.getUniformLocation(Je,"INFINITY",!1));for(var ut={},vt=0;vt<_e.variableNames.length;vt++){var mt=_e.variableNames[vt];ut[mt]=Ee.getUniformLocation(Je,mt,!1),ut["offset"+mt]=Ee.getUniformLocation(Je,"offset"+mt,!1)}return{program:_e,source:Ze,webGLProgram:Je,uniformLocations:ut,inShapeInfos:Le,outShapeInfo:Ue,infLoc:ht,nanLoc:lt}}(s.gpgpu,e,j,ne)}),le=this.activeTimers!=null;if(le&&(Y=this.startTimer()),function(Ee,_e,Te,Me,He){Sc(_e.inShapeInfos,Te),Sc([_e.outShapeInfo],[Me]);var Be=Me.texData.texture,Le=Me.texData.texShape;Me.texData.isPacked?Ee.setOutputPackedMatrixTexture(Be,Le[0],Le[1]):Ee.setOutputMatrixTexture(Be,Le[0],Le[1]),Ee.setProgram(_e.webGLProgram),p().getNumber("WEBGL_VERSION")===1&&_e.infLoc!==null&&Ee.gl.uniform1f(_e.infLoc,1/0),_e.nanLoc!==null&&Ee.gl.uniform1f(_e.nanLoc,NaN),Te.forEach(function(Ue,Ze){var Je=_e.program.variableNames[Ze],ht=_e.uniformLocations[Je],lt=_e.uniformLocations["offset"+Je];if(ht!=null)if(Ue.isUniform)if(de(Ue.shape)<2)Ee.gl.uniform1f(ht,Ue.uniformValues[0]);else{var ut=Ue.uniformValues;ut instanceof Float32Array||(ut=new Float32Array(ut)),Ee.gl.uniform1fv(ht,ut)}else Ue.texData.slice!=null&&lt!=null&&Ee.gl.uniform1i(lt,Ue.texData.slice.flatOffset),Ee.setInputMatrixTexture(Ue.texData.texture,ht,Ze)}),He!=null&&He(Ee,_e.webGLProgram),Ee.executeProgram()}(this.gpgpu,se,j,ne,a),k.forEach(function(Ee){return s.disposeData(Ee.dataId)}),le&&(Y=this.endTimer(Y),this.activeTimers.push({name:e.constructor.name,query:this.getQueryTime(Y)})),!p().getBool("WEBGL_LAZILY_UNPACK")&&f.isPacked&&i===!1){var xe=this.unpackTensor(u);return this.disposeData(u.dataId),xe}return u},r.prototype.compileAndRun=function(e,t,o,a,i){i===void 0&&(i=!1),o=o||t[0].dtype;var s=this.runWebGLProgram(e,t,o,a,i);return Ve.makeTensorFromDataId(s.dataId,s.shape,s.dtype)},r.prototype.getAndSaveBinary=function(e,t){return e in this.binaryCache||(this.binaryCache[e]=t()),this.binaryCache[e]},r.prototype.getTextureManager=function(){return this.textureManager},r.prototype.dispose=function(){var e=this;this.disposed||(p().getBool("IS_TEST")||Object.keys(this.binaryCache).forEach(function(t){e.gpgpu.deleteProgram(e.binaryCache[t].webGLProgram),delete e.binaryCache[t]}),this.textureManager.dispose(),this.canvas!=null&&typeof HTMLCanvasElement!="undefined"&&this.canvas instanceof HTMLCanvasElement?this.canvas.remove():this.canvas=null,this.gpgpuCreatedLocally&&(this.gpgpu.program=null,this.gpgpu.dispose()),this.disposed=!0)},r.prototype.floatPrecision=function(){var e=this;return this.floatPrecisionValue==null&&(this.floatPrecisionValue=Rr(function(){if(!p().get("WEBGL_RENDER_FLOAT32_ENABLED")){var t=p().getBool("DEBUG");p().set("DEBUG",!1);var o=e.abs(It(1e-8)).dataSync()[0];if(p().set("DEBUG",t),o>0)return 32}return 16})),this.floatPrecisionValue},r.prototype.epsilon=function(){return this.floatPrecision()===32?1e-7:1e-4},r.prototype.uploadToGPU=function(e){var t,o=this.texData.get(e),a=o.shape,i=o.dtype,s=o.values,u=o.texture,f=o.usage,C=o.isPacked;if(u==null){var k,j=this.activeTimers!=null;j&&(k=he());var Y=o.texShape;if(Y==null&&(Y=Ri(a,C),o.texShape=Y),s!=null){var ne=vo(a),ce=void 0,se=Y[1],le=Y[0],xe=s instanceof Uint8Array;C?(se=(t=$n(Y[0],Y[1]))[0],le=t[1],ce=new Ra(ne,[le,se],xe)):ce=new Br(ne,[le,se],xe);var Ee=this.makeTensorInfo([le,se],i);this.texData.get(Ee.dataId).usage=xe?Wr.PIXELS:Wr.UPLOAD,this.gpgpu.uploadDenseMatrixToTexture(this.getTexture(Ee.dataId),se,le,s);var _e=this.runWebGLProgram(ce,[Ee],i,null,!0),Te=this.texData.get(_e.dataId);o.texture=Te.texture,o.texShape=Te.texShape,o.isPacked=Te.isPacked,o.usage=Te.usage,this.disposeData(Ee.dataId),this.texData.delete(_e.dataId),o.values=null,j&&(this.uploadWaitMs+=he()-k)}else{var Me=this.acquireTexture(Y,f,i,C);o.texture=Me}}},r.prototype.convertAndCacheOnCPU=function(e,t){var o=this.texData.get(e),a=o.dtype;return this.releaseGPUData(e),t!=null&&(o.values=function(i,s){if(s==="float32"||s==="complex64")return i;if(s==="int32"||s==="bool"){for(var u=s==="int32"?new Int32Array(i.length):new Uint8Array(i.length),f=0;f<u.length;++f)u[f]=Math.round(i[f]);return u}throw new Error("Unknown dtype 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Got dilations '"+a+"'"});var ne=Y[0],ce=Y[1];return{x:function(){return ul(ne.shape,j,ce,e,t)},$filter:function(){return function(se,le,xe,Ee,_e){var Te=se;se.rank===4&&(Te=se.as5D(1,se.shape[0],se.shape[1],se.shape[2],se.shape[3]));var Me=le;Me.rank===4&&(Me=le.as5D(1,le.shape[0],le.shape[1],le.shape[2],le.shape[3])),_(Te.rank===5,function(){return"Error in conv3dDerFilter: input must be rank 5, but got shape "+Te.shape+"."}),_(Me.rank===5,function(){return"Error in conv3dDerFilter: dy must be rank 5, but got shape "+Me.shape+"."}),_(xe.length===5,function(){return"Error in conv3dDerFilter: filterShape must be length 5, but got "+xe+"."}),_(Te.shape[4]===xe[3],function(){return"Error in conv3dDerFilter: depth of input "+Te.shape[4]+") must match input depth in filter ("+xe[3]+"."}),_(Me.shape[4]===xe[4],function(){return"Error in conv3dDerFilter: depth of dy ("+Me.shape[4]+") must match output depth for filter ("+xe[4]+")."});var He=To(Te.shape,xe,Ee,1,_e);return Ve.runKernelFunc(function(Be){return Be.conv3dDerFilter(Te,Me,He)},{x5D:Te,dy5D:Me})}(ne,j,ce.shape,e,t)}}});return f?k.as4D(k.shape[1],k.shape[2],k.shape[3],k.shape[4]):k}}),gu=Xe({conv2dDerFilter_:function(n,r,e,t,o,a,i){a===void 0&&(a="NHWC");var s=n;n.rank===3&&(s=n.as4D(1,n.shape[0],n.shape[1],n.shape[2]));var u=r;u.rank===3&&(u=r.as4D(1,r.shape[0],r.shape[1],r.shape[2])),_(s.rank===4,function(){return"Error in conv2dDerFilter: input must be rank 4, but got shape "+s.shape+"."}),_(u.rank===4,function(){return"Error in conv2dDerFilter: dy must be rank 4, but got shape "+u.shape+"."}),_(e.length===4,function(){return"Error in conv2dDerFilter: filterShape must be length 4, but got "+e+"."});var f=a==="NHWC"?s.shape[3]:s.shape[1],C=a==="NHWC"?u.shape[3]:u.shape[1];_(f===e[2],function(){return"Error in conv2dDerFilter: depth of input "+f+") must match input depth in filter ("+e[2]+"."}),_(C===e[3],function(){return"Error in conv2dDerFilter: depth of dy ("+C+") must match output depth for filter ("+e[3]+")."}),i!=null&&_(ge(o),function(){return"Error in conv2dDerFilter: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+o+"."});var k=ui(a),j=Ln(s.shape,e,t,1,o,i,!1,k);return Ve.runKernelFunc(function(Y){return Y.conv2dDerFilter(s,u,j)},{x4D:s,dy4D:u})}}),cl=Xe({conv2dDerInput_:sl}),ps=Xe({depthwiseConv2d_:function(n,r,e,t,o,a,i){o===void 0&&(o="NHWC"),a===void 0&&(a=[1,1]);var s=Oe(n,"x","depthwiseConv2d"),u=Oe(r,"filter","depthwiseConv2d"),f=s,C=!1;s.rank===3&&(C=!0,f=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),_(f.rank===4,function(){return"Error in depthwiseConv2d: input must be rank 4, but got rank "+f.rank+"."}),_(u.rank===4,function(){return"Error in depthwiseConv2d: filter must be rank 4, but got rank "+u.rank+"."}),_(f.shape[3]===u.shape[2],function(){return"Error in depthwiseConv2d: number of input channels ("+f.shape[3]+") must match the inChannels dimension in filter "+u.shape[2]+"."}),a==null&&(a=[1,1]),_(Zr(e,a),function(){return"Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides "+e+" and dilations '"+a+"'"}),i!=null&&_(ge(t),function(){return"Error in depthwiseConv2d: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+t+"."});var k=Ln(f.shape,u.shape,e,a,t,i,!0),j=[f,u],Y=Ve.runKernelFunc(function(ne,ce){var se=ne.depthwiseConv2D(f,u,k);return ce([f,u]),se},{x:f,filter:u},function(ne,ce){_(So(a),function(){return"Error in gradient of depthwiseConv2d: dilation rates greater than 1 are not yet supported. Got dilations '"+a+"'"});var se=ce[0],le=ce[1];return{x:function(){return ll(se.shape,ne,le,k)},filter:function(){return dl(se,ne,le.shape,k)}}},"DepthwiseConv2dNative",k,j);return C?Y.as3D(Y.shape[1],Y.shape[2],Y.shape[3]):Y}}),ll=Xe({depthwiseConv2dDerInput_:function(n,r,e,t){var o=r,a=!1;r.rank===3&&(a=!0,o=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var i=Ve.runKernelFunc(function(s){return s.depthwiseConv2DDerInput(o,e,t)},{dy4D:o});return a?i.as3D(i.shape[1],i.shape[2],i.shape[3]):i}}),dl=Xe({depthwiseConv2dDerFilter_:function(n,r,e,t){var o=n;n.rank===3&&(o=n.as4D(1,n.shape[0],n.shape[1],n.shape[2]));var a=r;return a.rank===3&&(a=r.as4D(1,r.shape[0],r.shape[1],r.shape[2])),Ve.runKernelFunc(function(i){return i.depthwiseConv2DDerFilter(o,a,t)},{x4D:o,dy4D:a})}}),fl=Xe({separableConv2d_:function(n,r,e,t,o,a,i){a===void 0&&(a=[1,1]),i===void 0&&(i="NHWC");var s=Oe(n,"x","separableConv2d"),u=Oe(r,"depthwiseFilter","separableConv2d"),f=Oe(e,"pointwiseFilter","separableConv2d"),C=s,k=!1;if(s.rank===3&&(k=!0,C=s.as4D(1,s.shape[0],s.shape[1],s.shape[2])),i==="NCHW")throw new Error("separableConv2d currently does not support dataFormat NCHW; only NHWC is supported");_(C.rank===4,function(){return"Error in separableConv2d: input must be rank 4, but got rank "+C.rank+"."}),_(u.rank===4,function(){return"Error in separableConv2d: depthwise filter must be rank 4, but got rank "+u.rank+"."}),_(f.rank===4,function(){return"Error in separableConv2d: pointwise filter must be rank 4, but got rank "+u.rank+"."}),_(f.shape[0]===1,function(){return"Error in separableConv2d: the first dimension of pointwise filter must be 1, but got "+f.shape[0]+"."}),_(f.shape[1]===1,function(){return"Error in separableConv2d: the second dimension of pointwise filter must be 1, but got "+f.shape[1]+"."});var j=u.shape[2],Y=u.shape[3];_(f.shape[2]===j*Y,function(){return"Error in separableConv2d: the third dimension of pointwise filter must be "+j*Y+", but got "+f.shape[2]+"."});var ne=ps(C,u,t,o,i,a),ce=Na(ne,f,1,"valid",i);return k?ce.as3D(ce.shape[1],ce.shape[2],ce.shape[3]):ce}}),dh=Xe({conv2dTranspose_:function(n,r,e,t,o,a){return sl(e,Oe(n,"x","conv2dTranspose"),Oe(r,"filter","conv2dTranspose"),t,o,"NHWC",a)}}),fh=Xe({conv3dTranspose_:function(n,r,e,t,o){return ul(e,Oe(n,"x","conv3dTranspose"),Oe(r,"filter","conv3dTranspose"),t,o)}}),yu=Xe({matMul_:function(n,r,e,t){var o;e===void 0&&(e=!1),t===void 0&&(t=!1);var a=Oe(n,"a","matMul"),i=Oe(r,"b","matMul");o=cr(a,i),a=o[0],i=o[1];var s=e?a.shape[a.rank-2]:a.shape[a.rank-1],u=t?i.shape[i.rank-1]:i.shape[i.rank-2],f=e?a.shape[a.rank-1]:a.shape[a.rank-2],C=t?i.shape[i.rank-2]:i.shape[i.rank-1],k=a.shape.slice(0,-2),j=i.shape.slice(0,-2),Y=de(k),ne=de(j);_(a.rank>=2&&i.rank>=2&&a.rank===i.rank,function(){return"Error in matMul: inputs must have the same rank of at least 2, got ranks "+a.rank+" and "+i.rank+"."}),_(we(k,j),function(){return"Error in matMul: outer dimensions ("+k+") and ("+j+") of Tensors with shapes "+a.shape+" and "+i.shape+" must match."}),_(s===u,function(){return"Error in matMul: inner shapes ("+s+") and ("+u+") of Tensors with shapes "+a.shape+" and "+i.shape+" and transposeA="+e+" and transposeB="+t+" must match."});var ce=a.shape.slice(0,-2).concat([f,C]),se=e?a.as3D(Y,s,f):a.as3D(Y,f,s),le=t?i.as3D(ne,C,u):i.as3D(ne,u,C),xe={transposeA:e,transposeB:t};return Ve.runKernelFunc(function(Ee,_e){var Te=Ee.batchMatMul(se,le,e,t);return _e([se,le]),Te},{a:se,b:le},function(Ee,_e){var Te=_e,Me=Te[0],He=Te[1];return e||t?!e&&t?{a:function(){return Ee.matMul(He,!1,!1)},b:function(){return Ee.matMul(Me,!0,!1)}}:e&&!t?{a:function(){return He.matMul(Ee,!1,!0)},b:function(){return Me.matMul(Ee,!1,!1)}}:{a:function(){return He.matMul(Ee,!0,!0)},b:function(){return Ee.matMul(Me,!0,!0)}}:{a:function(){return Ee.matMul(He,!1,!0)},b:function(){return Me.matMul(Ee,!0,!1)}}},"BatchMatMul",xe).reshape(ce)}}),hh=Xe({dot_:function(n,r){var e=Oe(n,"t1","dot"),t=Oe(r,"t2","dot");_(!(e.rank!==1&&e.rank!==2||t.rank!==1&&t.rank!==2),function(){return"Error in dot: inputs must all be rank 1 or 2, but got ranks "+e.rank+" and "+t.rank+"."});var o=e.rank===1?e.size:e.shape[1],a=t.rank===1?t.size:t.shape[0];return _(o===a,function(){return"Error in dot: inner dimensions of inputs must match, but got "+o+" and "+a+"."}),e.rank===1&&t.rank===1?e.as2D(1,-1).matMul(t.as2D(-1,1)).asScalar():e.rank===1&&t.rank===2?e.as2D(1,-1).matMul(t.as2D(t.shape[0],t.shape[1])).as1D():e.rank===2&&t.rank===1?e.matMul(t.as2D(-1,1)).as1D():e.matMul(t.as2D(t.shape[0],t.shape[1]))}}),ph=Xe({outerProduct_:function(n,r){var e=Oe(n,"v1","outerProduct"),t=Oe(r,"v2","outerProduct");return _(e.rank===1&&t.rank===1,function(){return"Error in outerProduct: inputs must be rank 1, but got ranks "+e.rank+" and "+t.rank+"."}),e.as2D(-1,1).matMul(t.as2D(1,-1))}}),_i=Xe({reverse_:function(n,r){var e=Oe(n,"x","reverse");if(e.rank===0)return e.clone();var t=ue(r,e.shape);return Ve.runKernelFunc(function(o){return o.reverse(e,t)},{$x:e},function(o){return{$x:function(){return o.reverse(t)}}}).reshapeAs(e)}}),mh=Xe({reverse1d_:function(n){var r=Oe(n,"x","reverse");return _(r.rank===1,function(){return"Error in reverse1D: x must be rank 1 but got rank "+r.rank+"."}),_i(r,0)}}),vh=Xe({reverse2d_:function(n,r){var e=Oe(n,"x","reverse");return _(e.rank===2,function(){return"Error in reverse2D: x must be rank 2 but got rank "+e.rank+"."}),_i(e,r)}}),gh=Xe({reverse3d_:function(n,r){var e=Oe(n,"x","reverse");return _(e.rank===3,function(){return"Error in reverse3D: x must be rank 3 but got rank "+e.rank+"."}),_i(e,r)}}),yh=Xe({reverse4d_:function(n,r){var e=Oe(n,"x","reverse");return _(e.rank===4,function(){return"Error in reverse4D: x must be rank 4 but got rank "+e.rank+"."}),_i(e,r)}});function hl(n,r,e,t,o,a){var i=Oe(n,"x","maxPool"),s=i,u=!1;i.rank===3&&(u=!0,s=i.as4D(1,i.shape[0],i.shape[1],i.shape[2])),t==null&&(t=[1,1]),_(s.rank===4,function(){return"Error in maxPool: input must be rank 4 but got rank "+s.rank+"."}),_(Zr(e,t),function(){return"Error in maxPool: Either strides or dilations must be 1. Got strides "+e+" and dilations '"+t+"'"}),a!=null&&_(ge(o),function(){return"Error in maxPool: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+o+"."});var f=to(s.shape,r,e,t,o,a);if(f.filterWidth===1&&f.filterHeight===1&&we(f.inShape,f.outShape))return i.clone();var C=[s],k=Ve.runKernelFunc(function(j,Y){var ne=j.maxPool(s,f);return Y([s,ne]),ne},{x:s},function(j,Y){var ne=Y[0],ce=Y[1];return{x:function(){return function(se,le,xe,Ee,_e,Te,Me,He){var Be=Oe(se,"dy","maxPoolBackprop"),Le=Oe(le,"input","maxPoolBackprop"),Ue=Oe(xe,"output","maxPoolBackprop");_(Le.rank===Be.rank,function(){return"Rank of input ("+Le.rank+") does not match rank of dy ("+Be.rank+")"}),Te==null&&(Te=[1,1]),_(Zr(_e,Te),function(){return"Error in maxPoolBackProp: Either strides or dilations must be 1. Got strides "+_e+" and dilations '"+Te+"'"}),_(Be.rank===4,function(){return"Error in maxPoolBackprop: dy must be rank 4 but got rank "+Be.rank+"."}),_(Le.rank===4,function(){return"Error in maxPoolBackprop: input must be rank 4 but got rank "+Le.rank+"."}),He!=null&&_(ge(Me),function(){return"Error in maxPoolBackprop: pad must be an integer when using, dimRoundingMode "+He+" but got pad "+Me+"."});var Ze=to(Le.shape,Ee,_e,Te,Me,He);return Ve.runKernelFunc(function(Je){return Je.maxPoolBackprop(Be,Le,Ue,Ze)},{$dy:Be,$input:Le})}(j,ne,ce,r,e,t,o)}}},"MaxPool",f,C);return u?k.as3D(k.shape[1],k.shape[2],k.shape[3]):k}function pl(n,r,e,t,o,a){var i=Oe(n,"x","avgPool","float32");t==null&&(t=[1,1]),_(Zr(e,t),function(){return"Error in avgPool: Either strides or dilations must be 1. Got strides "+e+" and dilations '"+t+"'"});var s=i,u=!1;i.rank===3&&(u=!0,s=i.as4D(1,i.shape[0],i.shape[1],i.shape[2])),_(s.rank===4,function(){return"Error in avgPool: x must be rank 4 but got rank "+s.rank+"."}),a!=null&&_(ge(o),function(){return"Error in avgPool: pad must be an integer when using, dimRoundingMode "+a+" but got pad "+o+"."});var f=to(s.shape,r,e,t,o,a);if(f.filterWidth===1&&f.filterHeight===1&&we(f.inShape,f.outShape))return i.clone();var C=Ve.runKernelFunc(function(k){return k.avgPool(s,f)},{x:s},function(k){return{x:function(){return function(j,Y,ne,ce,se,le){var xe=Oe(j,"dy","avgPoolBackprop"),Ee=Oe(Y,"input","avgPoolBackprop");_(Ee.rank===xe.rank,function(){return"Rank of input ("+Ee.rank+") does not match rank of dy ("+xe.rank+")"}),se==null&&(se=[1,1]),_(Zr(ce,se),function(){return"Error in avgPoolBackprop: Either strides or dilations must be 1. Got strides "+ce+" and dilations '"+se+"'"});var _e=Ee,Te=xe,Me=!1;Ee.rank===3&&(Me=!0,_e=Ee.as4D(1,Ee.shape[0],Ee.shape[1],Ee.shape[2]),Te=xe.as4D(1,xe.shape[0],xe.shape[1],xe.shape[2])),_(Te.rank===4,function(){return"Error in avgPoolBackprop: dy must be rank 4 but got rank "+Te.rank+"."}),_(_e.rank===4,function(){return"Error in avgPoolBackprop: input must be rank 4 but got rank "+_e.rank+"."});var He=to(_e.shape,ne,ce,se,le),Be=Ve.runKernelFunc(function(Le){return Le.avgPoolBackprop(Te,_e,He)},{dy4D:Te,input4D:_e});return Me?Be.as3D(Be.shape[1],Be.shape[2],Be.shape[3]):Be}(k,s,r,e,t,o)}}},"AvgPool",f);return C=C.cast(i.dtype),u?C.as3D(C.shape[1],C.shape[2],C.shape[3]):C}var ml=Xe({maxPool_:function(n,r,e,t,o){return hl(n,r,e,1,t,o)}}),vl=Xe({avgPool_:function(n,r,e,t,o){return pl(n,r,e,1,t,o)}}),bh=Xe({pool_:function(n,r,e,t,o,a){o==null&&(o=[1,1]),a==null&&(a=1),t===0&&(t="valid");var i=Oe(n,"x","maxPool"),s=i,u=!1;i.rank===3&&(u=!0,s=i.as4D(1,i.shape[0],i.shape[1],i.shape[2])),_(Zr(a,o),function(){return"Error in pool: Either strides or dilations must be 1. Got strides "+a+" and dilations '"+o+"'"});var f,C=to(s.shape,r,a,o,t),k=[C.dilationHeight,C.dilationWidth];f=t==="same"?function(_e,Te){var Me=_e.map(function(Le,Ue){return Le+(Le-1)*(Te[Ue]-1)}).map(function(Le){return Le-1}),He=Me.map(function(Le){return Math.floor(Le/2)}),Be=Me.map(function(Le,Ue){return Le-He[Ue]});return Me.map(function(Le,Ue){return[He[Ue],Be[Ue]]})}([C.filterHeight,C.filterWidth],k):[[0,0],[0,0]];var j=k[0]===1&&k[1]===1,Y=function(_e,Te,Me){var He=Me.map(function(lt){return lt[0]}),Be=Me.map(function(lt){return lt[1]}),Le=_e.concat(He,Be),Ue=Te.map(function(lt,ut){return(lt-Le[ut]%lt)%lt}),Ze=Be.map(function(lt,ut){return lt+Ue[ut]}),Je=Te.map(function(lt,ut){return[He[ut],Ze[ut]]}),ht=Te.map(function(lt,ut){return[0,Ue[ut]]});return[Je,ht]}([C.inHeight,C.inWidth],k,f),ne=Y[0],ce=Y[1],se=j?t:"valid",le=j?s:Gi(s,k,ne),xe=(e==="avg"?function(){return pl(le,r,a,1,se)}:function(){return hl(le,r,a,1,se)})(),Ee=j?xe:va(xe,k,ce);return u?Ee.as3D(Ee.shape[1],Ee.shape[2],Ee.shape[3]):Ee}}),xh=Xe({maxPool3d_:function(n,r,e,t,o,a,i){a===void 0&&(a="NDHWC");var s=Oe(n,"x","maxPool3d"),u=s,f=!1;s.rank===4&&(f=!0,u=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3])),i==null&&(i=[1,1,1]),_(u.rank===5,function(){return"Error in maxPool3d: x must be rank 5 but got rank "+u.rank+"."}),_(a==="NDHWC",function(){return"Error in maxPool3d: Only NDHWC is currently supported, but got dataFormat of "+a}),_(Zr(e,i),function(){return"Error in maxPool3d: Either strides or dilations must be 1. 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i=Oe(n,"image","cropAndResize"),s=Oe(r,"boxes","cropAndResize","float32"),u=Oe(e,"boxInd","cropAndResize","int32");o=o||"bilinear",a=a||0;var f=s.shape[0];return _(i.rank===4,function(){return"Error in cropAndResize: image must be rank 4,but got rank "+i.rank+"."}),_(s.rank===2&&s.shape[1]===4,function(){return"Error in cropAndResize: boxes must be have size ["+f+",4] but had shape "+s.shape+"."}),_(u.rank===1&&u.shape[0]===f,function(){return"Error in cropAndResize: boxInd must be have size ["+f+"] but had shape "+s.shape+"."}),_(t.length===2,function(){return"Error in cropAndResize: cropSize must be of length 2, but got length "+t.length+"."}),_(t[0]>=1&&t[1]>=1,function(){return"cropSize must be atleast [1,1], but was "+t}),_(o==="bilinear"||o==="nearest",function(){return"method must be bilinear or nearest, but was "+o}),Ve.runKernelFunc(function(C,k){return 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He,Be,Le=Y.shape.slice(0,-2).concat([le,xe]),Ue=a?Y.as3D(Te,ce,le):Y.as3D(Te,le,ce),Ze=s?ne.as3D(Me,xe,se):ne.as3D(Me,se,xe);u!=null&&Ht(Le,(He=cr(He=Oe(u,"bias","fused matMul"),Y)[0]).shape),k!=null&&(Be=Oe(k,"prelu weights","fused matMul"));var Je={a:Ue,b:Ze};u!=null&&(Je.bias=He),k!=null&&(Je.preluActivationWeights=Be);var ht=[Ue,Ze];return Ve.runKernelFunc(function(lt,ut){var vt=lt.fusedBatchMatMul({a:Ue,b:Ze,transposeA:a,transposeB:s,bias:He,activation:C,preluActivationWeights:Be});return ut([Ue,Ze,vt]),vt},Je,function(lt,ut){var vt=ut[0],mt=ut[1],ct=ut[2],xt=Tu(lt,ct,C),wt={};return u!=null&&(wt={bias:function(){return Su(He,xt)}}),a||s?!a&&s?Object.assign({a:function(){return xt.matMul(mt,!1,!1)},b:function(){return xt.matMul(vt,!0,!1)}},wt):a&&!s?Object.assign({a:function(){return mt.matMul(xt,!1,!0)},b:function(){return vt.matMul(xt,!1,!1)}},wt):Object.assign({a:function(){return mt.matMul(xt,!0,!0)},b:function(){return 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when using, dimRoundingMode "+f+" but got pad "+o+"."}),_(le.shape[3]===se.shape[2],function(){return"Error in conv2d: depth of input ("+le.shape[3]+") must match input depth for filter "+se.shape[2]+"."}),_(Zr(t,u),function(){return"Error in conv2D: Either strides or dilations must be 1. Got strides "+t+" and dilations '"+u+"'"}),_(i==="NHWC",function(){return"Error in conv2d: got dataFormat of "+i+" but only NHWC is currently supported."});var Ee,_e,Te=Ln(le.shape,se.shape,t,u,o,f);C!=null&&(Ee=cr(Ee=Oe(C,"bias","fused conv2d"),ce)[0],Ht(Te.outShape,Ee.shape)),Y!=null&&(_e=Oe(Y,"prelu weights","fused conv2d"));var Me={x:le,filter:se};C!=null&&(Me.bias=Ee),Y!=null&&(Me.preluActivationWeights=_e);var He=[se,le],Be=Ve.runKernelFunc(function(Le,Ue){var Ze=Le.fusedConv2d({input:le,filter:se,convInfo:Te,bias:Ee,activation:j,preluActivationWeights:_e});return Ue([se,le,Ze]),Ze},Me,function(Le,Ue){var Ze=Ue,Je=Ze[0],ht=Ze[1],lt=Ze[2],ut=Tu(Le,lt,j);_(So(u),function(){return"Error in gradient of fused conv2D: dilation rates greater than 1 are not yet supported in gradients. 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============================
Hi there \u{1F44B}. Looks like you are running TensorFlow.js in Node.js. To speed things up dramatically, install our node backend, which binds to TensorFlow C++, by running npm i @tensorflow/tfjs-node, or npm i @tensorflow/tfjs-node-gpu if you have CUDA. Then call require('@tensorflow/tfjs-node'); (-gpu suffix for CUDA) at the start of your program. Visit https://github.com/tensorflow/tfjs-node for more details.
============================`));var a={};return this.data.set(a,{values:e,dtype:o}),a},r.prototype.move=function(e,t,o,a){this.data.set(e,{values:t,dtype:a})},r.prototype.numDataIds=function(){return this.data.numDataIds()},r.prototype.read=function(e){return E(this,void 0,void 0,function(){return g(this,function(t){return[2,this.readSync(e)]})})},r.prototype.readSync=function(e){var t=this.data.get(e),o=t.dtype,a=t.complexTensors;return o==="complex64"?Oa(this.readSync(a.real.dataId),this.readSync(a.imag.dataId)):this.data.get(e).values},r.prototype.bufferSync=function(e){var t=this.readSync(e.dataId),o=t;if(e.dtype==="string")try{o=t.map(function(a){return Qe(a)})}catch(a){throw new Error("Failed to decode encoded string bytes into utf-8")}return jt(e.shape,e.dtype,o)},r.prototype.makeOutput=function(e,t,o){var a=this.write(e,t,o);return Ve.makeTensorFromDataId(a,t,o,this)},r.prototype.disposeData=function(e){if(this.data.has(e)){var t=this.data.get(e).complexTensors;t!=null&&(t.real.dispose(),t.imag.dispose()),this.data.delete(e)}},r.prototype.time=function(e){return E(this,void 0,void 0,function(){var t;return g(this,function(o){return t=he(),e(),[2,{kernelMs:he()-t}]})})},r.prototype.memory=function(){return{unreliable:!0,reasons:["The reported memory is an upper bound. 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this.makeOutput(o,t.shape,"float32")},r.prototype.selu=function(e){pt(e,"selu");for(var t=du,o=fu,a=new Float32Array(e.size),i=this.readSync(e.dataId),s=0;s<i.length;++s){var u=i[s];a[s]=u>=0?o*u:t*(Math.exp(u)-1)}return this.makeOutput(a,e.shape,"float32")},r.prototype.clip=function(e,t,o){pt(e,"clip");for(var a=new Float32Array(e.size),i=this.readSync(e.dataId),s=0;s<i.length;++s){var u=i[s];a[s]=u>o?o:u<t?t:u}return this.makeOutput(a,e.shape,"float32")},r.prototype.abs=function(e){for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.abs(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.complexAbs=function(e){for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<e.size;++a){var i=o[2*a],s=o[2*a+1];t[a]=Math.hypot(i,s)}return this.makeOutput(t,e.shape,"float32")},r.prototype.int=function(e){pt(e,"int");for(var t=new Int32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=o[a];return this.makeOutput(t,e.shape,"int32")},r.prototype.sigmoid=function(e){pt(e,"sigmoid");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=1/(1+Math.exp(-o[a]));return this.makeOutput(t,e.shape,"float32")},r.prototype.softplus=function(e){pt(e,"softplus");for(var t=Math.log(11920928955078125e-23)+2,o=new Float32Array(e.size),a=this.readSync(e.dataId),i=0;i<a.length;++i){var s=a[i]>-t,u=a[i]<t,f=Math.exp(a[i]),C=void 0;C=u?f:s?a[i]:Math.log(1+f),o[i]=C}return this.makeOutput(o,e.shape,"float32")},r.prototype.sin=function(e){pt(e,"sin");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.sin(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.cos=function(e){pt(e,"cos");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.cos(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.tan=function(e){pt(e,"tan");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.tan(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.asin=function(e){pt(e,"asin");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.asin(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.acos=function(e){pt(e,"acos");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.acos(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.atan=function(e){pt(e,"atan");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.atan(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.atan2=function(e,t){return pt([e,t],"atan2"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){return Math.atan2(o,a)})},r.prototype.sinh=function(e){pt(e,"sinh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.sinh(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.cosh=function(e){pt(e,"cosh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.cosh(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.tanh=function(e){pt(e,"tanh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=ke(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.asinh=function(e){pt(e,"asinh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.asinh(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.acosh=function(e){pt(e,"acosh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.acosh(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.atanh=function(e){pt(e,"atanh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=Math.atanh(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.erf=function(e){pt(e,"erf");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a){var i=Math.sign(o[a]),s=Math.abs(o[a]),u=1/(1+.3275911*s);t[a]=i*(1-((((1.061405429*u-1.453152027)*u+1.421413741)*u-.284496736)*u+.254829592)*u*Math.exp(-s*s))}return this.makeOutput(t,e.shape,"float32")},r.prototype.step=function(e,t){t===void 0&&(t=0),pt(e,"step");for(var o=new Float32Array(e.size),a=this.readSync(e.dataId),i=0;i<a.length;++i){var s=a[i];isNaN(s)?o[i]=NaN:o[i]=s>0?1:t}return this.makeOutput(o,e.shape,"float32")},r.prototype.fusedConv2d=function(e){var t=e.input,o=e.filter,a=e.convInfo,i=e.bias,s=e.activation,u=e.preluActivationWeights,f=this.conv2d(t,o,a);return i&&(f=this.add(f,i)),s&&(f=Ou(this,f,s,u)),f},r.prototype.conv2d=function(e,t,o){pt([e,t],"conv2d");for(var a=o.filterHeight,i=o.filterWidth,s=o.dilationHeight,u=o.dilationWidth,f=o.padInfo.left,C=o.padInfo.top,k=o.dataFormat==="channelsLast",j=jt(o.outShape,e.dtype),Y=e.strides[0],ne=k?e.strides[1]:e.strides[2],ce=k?e.strides[2]:1,se=k?1:e.strides[1],le=j.strides[0],xe=k?j.strides[1]:j.strides[2],Ee=k?j.strides[2]:1,_e=k?1:j.strides[1],Te=this.readSync(e.dataId),Me=this.readSync(t.dataId),He=j.values,Be=0;Be<o.batchSize;++Be)for(var Le=Be*Y,Ue=Be*le,Ze=0;Ze<o.outHeight;++Ze)for(var Je=Ue+Ze*xe,ht=Ze*o.strideHeight-C,lt=0;lt<a;lt++){var ut=ht+lt*s;if(!(ut<0||ut>=o.inHeight))for(var vt=lt*t.strides[0],mt=Le+ut*ne,ct=0;ct<o.outWidth;++ct)for(var xt=Je+ct*Ee,wt=ct*o.strideWidth-f,Ot=0;Ot<i;Ot++){var Mt=wt+Ot*u;if(!(Mt<0||Mt>=o.inWidth))for(var Pt=mt+Mt*ce,Kt=vt+Ot*t.strides[1],Yt=0;Yt<o.inChannels;++Yt){for(var $t=Te[Pt+Yt*se],ar=0;ar<o.outChannels;++ar)He[xt+ar*_e]+=$t*Me[Kt+ar];Kt+=o.outChannels}}}return j.toTensor()},r.prototype.conv3d=function(e,t,o){for(var a=o.filterDepth,i=o.filterHeight,s=o.filterWidth,u=o.dilationDepth,f=o.dilationHeight,C=o.dilationWidth,k=o.padInfo.front,j=o.padInfo.left,Y=o.padInfo.top,ne=jt(o.outShape,e.dtype),ce=this.readSync(e.dataId),se=this.readSync(t.dataId),le=ne.values,xe=0;xe<o.batchSize;++xe)for(var Ee=xe*e.strides[0],_e=xe*ne.strides[0],Te=0;Te<o.outDepth;++Te)for(var Me=_e+Te*ne.strides[1],He=Te*o.strideDepth-k,Be=0;Be<a;Be++){var Le=He+Be*u;if(!(Le<0||Le>=o.inDepth))for(var Ue=Be*t.strides[0],Ze=Ee+Le*e.strides[1],Je=0;Je<o.outHeight;++Je)for(var ht=Me+Je*ne.strides[2],lt=Je*o.strideHeight-Y,ut=0;ut<i;ut++){var vt=lt+ut*f;if(!(vt<0||vt>=o.inHeight))for(var mt=Ue+ut*t.strides[1],ct=Ze+vt*e.strides[2],xt=0;xt<o.outWidth;++xt)for(var wt=ht+xt*o.outChannels,Ot=xt*o.strideWidth-j,Mt=0;Mt<s;Mt++){var Pt=Ot+Mt*C;if(!(Pt<0||Pt>=o.inWidth))for(var Kt=mt+Mt*t.strides[2],Yt=ct+Pt*o.inChannels,$t=Kt,ar=0;ar<o.inChannels;++ar){for(var er=ce[Yt+ar],ir=0;ir<o.outChannels;++ir)le[wt+ir]+=er*se[$t+ir];$t+=o.outChannels}}}}return ne.toTensor()},r.prototype.conv2dDerInput=function(e,t,o){pt([e,t],"conv2dDerInput");for(var a=jt(o.inShape,"float32"),i=a.values,s=this.readSync(e.dataId),u=this.readSync(t.dataId),f=t.strides,C=f[0],k=f[1],j=f[2],Y=o.batchSize,ne=o.filterHeight,ce=o.filterWidth,se=o.inChannels,le=o.inHeight,xe=o.inWidth,Ee=o.outChannels,_e=o.outHeight,Te=o.outWidth,Me=o.strideHeight,He=o.strideWidth,Be=o.dataFormat,Le=ne-1-o.padInfo.top,Ue=ce-1-o.padInfo.left,Ze=Be==="channelsLast",Je=a.strides[0],ht=Ze?a.strides[1]:a.strides[2],lt=Ze?a.strides[2]:1,ut=Ze?1:a.strides[1],vt=e.strides[0],mt=Ze?e.strides[1]:e.strides[2],ct=Ze?e.strides[2]:1,xt=Ze?1:e.strides[1],wt=0;wt<Y;++wt)for(var Ot=0;Ot<se;++Ot)for(var Mt=0;Mt<le;++Mt)for(var Pt=Mt-Le,Kt=Math.max(0,Math.ceil(Pt/Me)),Yt=Math.min(_e,(ne+Pt)/Me),$t=0;$t<xe;++$t){for(var ar=$t-Ue,er=Math.max(0,Math.ceil(ar/He)),ir=Math.min(Te,(ce+ar)/He),Lr=0,tr=Kt;tr<Yt;++tr)for(var Er=tr*Me-Pt,fr=er;fr<ir;++fr)for(var jr=vt*wt+mt*tr+ct*fr,Mr=C*(ne-1-Er)+k*(ce-1-(fr*He-ar))+j*Ot,Pr=0;Pr<Ee;++Pr)Lr+=s[jr+xt*Pr]*u[Mr+Pr];i[Je*wt+ht*Mt+lt*$t+ut*Ot]=Lr}return a.toTensor()},r.prototype.conv3dDerInput=function(e,t,o){for(var a=jt(o.inShape,"float32"),i=a.values,s=a.strides,u=s[0],f=s[1],C=s[2],k=s[3],j=this.readSync(e.dataId),Y=e.strides,ne=Y[0],ce=Y[1],se=Y[2],le=Y[3],xe=this.readSync(t.dataId),Ee=t.strides,_e=Ee[0],Te=Ee[1],Me=Ee[2],He=Ee[3],Be=o.batchSize,Le=o.filterDepth,Ue=o.filterHeight,Ze=o.filterWidth,Je=o.inChannels,ht=o.inDepth,lt=o.inHeight,ut=o.inWidth,vt=o.outChannels,mt=o.outDepth,ct=o.outHeight,xt=o.outWidth,wt=o.strideDepth,Ot=o.strideHeight,Mt=o.strideWidth,Pt=Le-1-o.padInfo.front,Kt=Ue-1-o.padInfo.top,Yt=Ze-1-o.padInfo.left,$t=0;$t<Be;++$t)for(var ar=0;ar<Je;++ar)for(var er=0;er<ht;++er)for(var ir=er-Pt,Lr=Math.max(0,Math.ceil(ir/wt)),tr=Math.min(mt,(Le+ir)/wt),Er=0;Er<lt;++Er)for(var fr=Er-Kt,jr=Math.max(0,Math.ceil(fr/Ot)),Mr=Math.min(ct,(Ue+fr)/Ot),Pr=0;Pr<ut;++Pr){for(var zn=Pr-Yt,Gn=Math.max(0,Math.ceil(zn/Mt)),mn=Math.min(xt,(Ze+zn)/Mt),La=0,io=Lr;io<tr;++io)for(var No=io*wt-ir,so=jr;so<Mr;++so)for(var Ba=so*Ot-fr,uo=Gn;uo<mn;++uo)for(var Vu=ne*$t+ce*io+se*so+le*uo,Ua=_e*(Le-1-No)+Te*(Ue-1-Ba)+Me*(Ze-1-(uo*Mt-zn))+He*ar,Vn=0;Vn<vt;++Vn)La+=j[Vu+Vn]*xe[Ua+Vn];i[u*$t+f*er+C*Er+k*Pr+ar]=La}return a.toTensor()},r.prototype.conv2dDerFilter=function(e,t,o){pt([e,t],"conv2dDerFilter");for(var a=o.strideHeight,i=o.strideWidth,s=o.filterHeight,u=o.filterWidth,f=o.dataFormat==="channelsLast",C=jt(o.filterShape,"float32"),k=o.padInfo.left,j=o.padInfo.top,Y=this.bufferSync(e),ne=this.bufferSync(t),ce=0;ce<s;++ce)for(var se=Math.max(0,Math.ceil((j-ce)/a)),le=Math.min(o.outHeight,(o.inHeight+j-ce)/a),xe=0;xe<u;++xe)for(var Ee=Math.max(0,Math.ceil((k-xe)/i)),_e=Math.min(o.outWidth,(o.inWidth+k-xe)/i),Te=0;Te<o.inChannels;++Te)for(var Me=0;Me<o.outChannels;++Me){for(var He=0,Be=0;Be<o.batchSize;++Be)for(var Le=se;Le<le;++Le)for(var Ue=ce+Le*a-j,Ze=Ee;Ze<_e;++Ze){var Je=xe+Ze*i-k;He+=f?Y.get(Be,Ue,Je,Te)*ne.get(Be,Le,Ze,Me):Y.get(Be,Te,Ue,Je)*ne.get(Be,Me,Le,Ze)}C.set(He,ce,xe,Te,Me)}return C.toTensor()},r.prototype.conv3dDerFilter=function(e,t,o){for(var a=o.strideDepth,i=o.strideHeight,s=o.strideWidth,u=o.filterDepth,f=o.filterHeight,C=o.filterWidth,k=jt(o.filterShape,"float32"),j=k.values,Y=k.strides,ne=Y[0],ce=Y[1],se=Y[2],le=Y[3],xe=this.readSync(t.dataId),Ee=t.strides,_e=Ee[0],Te=Ee[1],Me=Ee[2],He=Ee[3],Be=this.readSync(e.dataId),Le=e.strides,Ue=Le[0],Ze=Le[1],Je=Le[2],ht=Le[3],lt=o.padInfo.front,ut=o.padInfo.left,vt=o.padInfo.top,mt=0;mt<u;++mt)for(var ct=Math.max(0,Math.ceil((lt-mt)/a)),xt=Math.min(o.outDepth,(o.inDepth+lt-mt)/a),wt=mt*ne,Ot=0;Ot<f;++Ot)for(var Mt=Math.max(0,Math.ceil((vt-Ot)/i)),Pt=Math.min(o.outHeight,(o.inHeight+vt-Ot)/i),Kt=Ot*ce+wt,Yt=0;Yt<C;++Yt)for(var $t=Math.max(0,Math.ceil((ut-Yt)/s)),ar=Math.min(o.outWidth,(o.inWidth+ut-Yt)/s),er=Yt*se+Kt,ir=0;ir<o.inChannels;++ir)for(var Lr=ir*le+er,tr=0;tr<o.outChannels;++tr){for(var Er=0,fr=0;fr<o.batchSize;++fr)for(var jr=fr*Ue,Mr=fr*_e,Pr=ct;Pr<xt;++Pr)for(var zn=(mt+Pr*a-lt)*Ze+jr,Gn=Pr*Te+Mr,mn=Mt;mn<Pt;++mn)for(var La=(Ot+mn*i-vt)*Je+zn,io=mn*Me+Gn,No=$t;No<ar;++No){var so=No*He+io;Er+=Be[(Yt+No*s-ut)*ht+La+ir]*xe[so+tr]}j[Lr+tr]=Er}return k.toTensor()},r.prototype.fusedDepthwiseConv2D=function(e){var t=e.input,o=e.filter,a=e.convInfo,i=e.bias,s=e.activation,u=e.preluActivationWeights,f=this.depthwiseConv2D(t,o,a);return i&&(f=this.add(f,i)),s&&(f=Ou(this,f,s,u)),f},r.prototype.depthwiseConv2D=function(e,t,o){pt([e,t],"depthwiseConv2D");for(var a=o.filterHeight,i=o.filterWidth,s=o.dilationHeight,u=o.dilationWidth,f=o.padInfo.left,C=o.padInfo.top,k=o.outChannels/o.inChannels,j=jt(o.outShape,e.dtype),Y=this.readSync(e.dataId),ne=this.readSync(t.dataId),ce=j.values,se=0;se<o.batchSize;++se)for(var le=se*e.strides[0],xe=se*j.strides[0],Ee=0;Ee<o.outHeight;++Ee)for(var _e=xe+Ee*j.strides[1],Te=Ee*o.strideHeight-f,Me=0;Me<a;++Me){var He=Te+Me*s;if(!(He<0||He>=o.inHeight))for(var Be=Me*t.strides[0],Le=le+He*e.strides[1],Ue=0;Ue<o.outWidth;++Ue)for(var Ze=_e+Ue*j.strides[2],Je=Ue*o.strideWidth-C,ht=0;ht<i;++ht){var lt=Je+ht*u;if(!(lt<0||lt>=o.inWidth))for(var ut=Be+ht*t.strides[1],vt=Le+lt*o.inChannels,mt=Ze,ct=ut,xt=0;xt<o.inChannels;++xt){for(var wt=Y[vt+xt],Ot=0;Ot<k;++Ot)ce[mt+Ot]+=wt*ne[ct+Ot];mt+=k,ct+=k}}}return j.toTensor()},r.prototype.depthwiseConv2DDerInput=function(e,t,o){pt([e,t],"depthwiseConv2DDerInput");for(var a=jt(o.inShape,"float32"),i=a.values,s=a.strides,u=s[0],f=s[1],C=s[2],k=this.readSync(e.dataId),j=e.strides,Y=j[0],ne=j[1],ce=j[2],se=this.readSync(t.dataId),le=t.strides,xe=le[0],Ee=le[1],_e=le[2],Te=o.batchSize,Me=o.filterHeight,He=o.filterWidth,Be=o.inChannels,Le=o.inHeight,Ue=o.inWidth,Ze=o.outChannels,Je=o.outHeight,ht=o.outWidth,lt=o.strideHeight,ut=o.strideWidth,vt=Me-1-o.padInfo.top,mt=He-1-o.padInfo.left,ct=Ze/Be,xt=0;xt<Te;++xt)for(var wt=0;wt<Be;++wt)for(var Ot=0;Ot<Le;++Ot)for(var Mt=Ot-vt,Pt=Math.max(0,Math.ceil(Mt/lt)),Kt=Math.min(Je,(Me+Mt)/lt),Yt=0;Yt<Ue;++Yt){for(var $t=Yt-mt,ar=Math.max(0,Math.ceil($t/ut)),er=Math.min(ht,(He+$t)/ut),ir=0,Lr=Pt;Lr<Kt;++Lr)for(var tr=Lr*lt-Mt,Er=ar;Er<er;++Er)for(var fr=Y*xt+ne*Lr+ce*Er,jr=xe*(Me-1-tr)+Ee*(He-1-(Er*ut-$t))+_e*wt,Mr=0;Mr<ct;++Mr)ir+=k[fr+(wt*ct+Mr)]*se[jr+Mr];i[u*xt+f*Ot+C*Yt+wt]=ir}return a.toTensor()},r.prototype.depthwiseConv2DDerFilter=function(e,t,o){pt([e,t],"depthwiseConv2DDerFilter");for(var a=o.strideHeight,i=o.strideWidth,s=o.filterHeight,u=o.filterWidth,f=jt(o.filterShape,"float32"),C=o.padInfo.left,k=o.padInfo.top,j=o.outChannels/o.inChannels,Y=this.bufferSync(e),ne=this.bufferSync(t),ce=0;ce<s;++ce)for(var se=Math.max(0,Math.ceil((k-ce)/a)),le=Math.min(o.outHeight,(o.inHeight+k-ce)/a),xe=0;xe<u;++xe)for(var Ee=Math.max(0,Math.ceil((C-xe)/i)),_e=Math.min(o.outWidth,(o.inWidth+C-xe)/i),Te=0;Te<o.outChannels;++Te){for(var Me=Math.trunc(Te/j),He=Te%j,Be=0,Le=0;Le<o.batchSize;++Le)for(var Ue=se;Ue<le;++Ue)for(var Ze=ce+Ue*a-k,Je=Ee;Je<_e;++Je){var ht=xe+Je*i-C;Be+=Y.get(Le,Ze,ht,Me)*ne.get(Le,Ue,Je,Te)}f.set(Be,ce,xe,Me,He)}return f.toTensor()},r.prototype.tile=function(e,t){return pt(e,"tile"),os(this.bufferSync(e),t)},r.prototype.pad=function(e,t,o){pt(e,"pad");var a=t.map(function(j,Y){return j[0]+e.shape[Y]+j[1]}),i=t.map(function(j){return j[0]}),s=this.bufferSync(e),u=jt(a,e.dtype);o!==0&&u.values.fill(o);for(var f=0;f<e.size;f++){var C=s.indexToLoc(f),k=C.map(function(j,Y){return j+i[Y]});u.set.apply(u,[s.get.apply(s,C)].concat(k))}return u.toTensor()},r.prototype.transpose=function(e,t){pt(e,"transpose");for(var o=new Array(e.rank),a=0;a<o.length;a++)o[a]=e.shape[t[a]];var i=this.readSync(e.dataId),s=jt(o,e.dtype),u=this.bufferSync(e);for(a=0;a<e.size;++a){for(var f=u.indexToLoc(a),C=new Array(f.length),k=0;k<C.length;k++)C[k]=f[t[k]];var j=s.locToIndex(C);s.values[j]=i[a]}return s.toTensor()},r.prototype.gather=function(e,t,o){pt([e,t],"gather");var a=e.shape.slice(),i=this.readSync(t.dataId);a[o]=i.length;for(var s=jt(a,e.dtype),u=this.bufferSync(e),f=0;f<s.size;++f){var C=s.indexToLoc(f),k=C.slice();k[o]=i[C[o]];var j=u.locToIndex(k);s.values[f]=u.values[j]}return s.toTensor()},r.prototype.batchToSpaceND=function(e,t,o){pt([e],"batchToSpaceND");var a=t.reduce(function(k,j){return k*j}),i=Wo(e.shape,t,a),s=qt(i.length,t.length),u=wa(e.shape,t,a),f=Gs(o,t.length),C=Vs(u,o,t.length);return e.reshape(i).transpose(s).reshape(u).slice(f,C)},r.prototype.spaceToBatchND=function(e,t,o){pt([e],"spaceToBatchND");var a=t.reduce(function(j,Y){return j*Y}),i=[[0,0]];i.push.apply(i,o);for(var s=1+t.length;s<e.shape.length;++s)i.push([0,0]);var u=e.pad(i),f=Wo(u.shape,t,a,!1),C=qt(f.length,t.length,!1),k=wa(u.shape,t,a,!1);return u.reshape(f).transpose(C).reshape(k)},r.prototype.pool=function(e,t,o){pt(e,"pool");for(var a=t.strideHeight,i=t.strideWidth,s=t.dilationHeight,u=t.dilationWidth,f=t.effectiveFilterHeight,C=t.effectiveFilterWidth,k=t.padInfo.top,j=t.padInfo.left,Y=o==="max"?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,ne=this.readSync(e.dataId),ce=jt(t.outShape,e.dtype),se=ce.values,le=t.outShape[1]*t.outShape[2]*t.outShape[3],xe=t.outShape[2]*t.outShape[3],Ee=t.outShape[3],_e=0;_e<t.batchSize;++_e)for(var Te=_e*le,Me=_e*e.strides[0],He=0;He<t.inChannels;++He)for(var Be=0;Be<t.outHeight;++Be)for(var Le=Be*a-k,Ue=Math.max(0,Le),Ze=Math.min(t.inHeight,f+Le),Je=Te+Be*xe,ht=0;ht<t.outWidth;++ht){for(var lt=ht*i-j,ut=Math.max(0,lt),vt=Math.min(t.inWidth,C+lt),mt=Y,ct=0,xt=0,wt=Ue;wt<Ze;wt+=s){for(var Ot=Me+wt*e.strides[1],Mt=ut;Mt<vt;Mt+=u){var Pt=ne[Ot+Mt*e.strides[2]+He];o==="max"&&Pt>mt?mt=Pt:o==="avg"&&(ct+=Pt,xt++)}if(isNaN(mt))break}se[Je+ht*Ee+He]=o==="avg"?ct/xt:mt}return ce.toTensor()},r.prototype.maxPool=function(e,t){return this.pool(e,t,"max")},r.prototype.maxPoolPositions=function(e,t){for(var o=jt(t.outShape,"int32"),a=t.strideHeight,i=t.strideWidth,s=t.dilationHeight,u=t.dilationWidth,f=t.effectiveFilterHeight,C=t.effectiveFilterWidth,k=t.padInfo.top,j=t.padInfo.left,Y=this.bufferSync(e),ne=0;ne<t.batchSize;++ne)for(var ce=0;ce<t.inChannels;++ce)for(var se=0;se<t.outHeight;++se){for(var le=se*a-k,xe=le;xe<0;)xe+=s;for(var Ee=Math.min(t.inHeight,f+le),_e=0;_e<t.outWidth;++_e){for(var Te=_e*i-j,Me=Te;Me<0;)Me+=u;for(var He=Math.min(t.inWidth,C+Te),Be=Number.NEGATIVE_INFINITY,Le=-1,Ue=xe;Ue<Ee;Ue+=s)for(var Ze=Ue-le,Je=Me;Je<He;Je+=u){var ht=Je-Te,lt=Y.get(ne,Ue,Je,ce);lt>Be&&(Be=lt,Le=Ze*C+ht)}o.set(Le,ne,se,_e,ce)}}return o.toTensor()},r.prototype.maxPoolBackprop=function(e,t,o,a){pt([t,o],"maxPoolBackprop");for(var i=this.maxPoolPositions(t,a),s=a.strideHeight,u=a.strideWidth,f=a.dilationHeight,C=a.dilationWidth,k=a.effectiveFilterHeight,j=a.effectiveFilterWidth,Y=j-1-a.padInfo.left,ne=k-1-a.padInfo.top,ce=jt(t.shape,"float32"),se=this.bufferSync(i),le=this.bufferSync(e),xe=0;xe<a.batchSize;++xe)for(var Ee=0;Ee<a.inChannels;++Ee)for(var _e=0;_e<a.inHeight;++_e)for(var Te=0;Te<a.inWidth;++Te){for(var Me=_e-ne,He=Te-Y,Be=0,Le=0;Le<k;Le+=f){var Ue=(Me+Le)/s;if(!(Ue<0||Ue>=a.outHeight||Math.floor(Ue)!==Ue))for(var Ze=0;Ze<j;Ze+=C){var Je=(He+Ze)/u;if(!(Je<0||Je>=a.outWidth||Math.floor(Je)!==Je)){var ht=k*j-1-se.get(xe,Ue,Je,Ee)===Le*j+Ze?1:0;ht!==0&&(Be+=le.get(xe,Ue,Je,Ee)*ht)}}}ce.set(Be,xe,_e,Te,Ee)}return ce.toTensor()},r.prototype.avgPoolBackprop=function(e,t,o){pt([e,t],"avgPoolBackprop");for(var a=o.strideHeight,i=o.strideWidth,s=o.filterHeight,u=o.filterWidth,f=o.dilationHeight,C=o.dilationWidth,k=o.effectiveFilterHeight,j=o.effectiveFilterWidth,Y=j-1-o.padInfo.left,ne=k-1-o.padInfo.top,ce=jt(t.shape,"float32"),se=1/(s*u),le=this.bufferSync(e),xe=0;xe<o.batchSize;++xe)for(var Ee=0;Ee<o.inChannels;++Ee)for(var _e=0;_e<o.inHeight;++_e)for(var Te=0;Te<o.inWidth;++Te){for(var Me=_e-ne,He=Te-Y,Be=0,Le=0;Le<k;Le+=f){var Ue=(Me+Le)/a;if(!(Ue<0||Ue>=o.outHeight||Math.floor(Ue)!==Ue))for(var Ze=0;Ze<j;Ze+=C){var Je=(He+Ze)/i;Je<0||Je>=o.outWidth||Math.floor(Je)!==Je||(Be+=le.get(xe,Ue,Je,Ee))}}ce.set(Be*se,xe,_e,Te,Ee)}return ce.toTensor()},r.prototype.pool3d=function(e,t,o){pt(e,"pool3d");for(var a=t.strideDepth,i=t.strideHeight,s=t.strideWidth,u=t.dilationDepth,f=t.dilationHeight,C=t.dilationWidth,k=t.effectiveFilterDepth,j=t.effectiveFilterHeight,Y=t.effectiveFilterWidth,ne=t.padInfo.front,ce=t.padInfo.top,se=t.padInfo.left,le=o==="max"?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,xe=this.readSync(e.dataId),Ee=jt(t.outShape,e.dtype),_e=Ee.values,Te=t.outShape[1]*t.outShape[2]*t.outShape[3]*t.outShape[4],Me=t.outShape[2]*t.outShape[3]*t.outShape[4],He=t.outShape[3]*t.outShape[4],Be=t.outShape[4],Le=0;Le<t.batchSize;++Le)for(var Ue=Le*Te,Ze=Le*e.strides[0],Je=0;Je<t.inChannels;++Je)for(var ht=0;ht<t.outDepth;++ht){for(var lt=ht*a-ne,ut=lt;ut<0;)ut+=u;for(var vt=Math.min(t.inDepth,k+lt),mt=Ue+ht*Me,ct=0;ct<t.outHeight;++ct){for(var xt=ct*i-ce,wt=xt;wt<0;)wt+=f;for(var Ot=Math.min(t.inHeight,j+xt),Mt=mt+ct*He,Pt=0;Pt<t.outWidth;++Pt){for(var Kt=Pt*s-se,Yt=Kt;Yt<0;)Yt+=C;for(var $t=Math.min(t.inWidth,Y+Kt),ar=Mt+Pt*Be,er=le,ir=0,Lr=0,tr=ut;tr<vt;tr+=u){for(var Er=Ze+tr*e.strides[1],fr=wt;fr<Ot;fr+=f){for(var jr=Er+fr*e.strides[2],Mr=Yt;Mr<$t;Mr+=C){var Pr=xe[jr+Mr*e.strides[3]+Je];if(o==="max"&&Pr>er?er=Pr:o==="avg"&&(ir+=Pr,Lr++),isNaN(er))break}if(isNaN(er))break}if(isNaN(er))break}_e[ar+Je]=o==="avg"?ir/Lr:er}}}return Ee.toTensor()},r.prototype.avgPool3d=function(e,t){return pt(e,"avgPool3d"),this.pool3d(e,t,"avg").toFloat()},r.prototype.avgPool3dBackprop=function(e,t,o){pt([e,t],"avgPool3dBackprop");for(var a=o.strideDepth,i=o.strideHeight,s=o.strideWidth,u=o.filterDepth,f=o.filterHeight,C=o.filterWidth,k=o.dilationDepth,j=o.dilationHeight,Y=o.dilationWidth,ne=o.effectiveFilterDepth,ce=o.effectiveFilterHeight,se=o.effectiveFilterWidth,le=ne-1-o.padInfo.front,xe=se-1-o.padInfo.left,Ee=ce-1-o.padInfo.top,_e=jt(t.shape,"float32"),Te=1/(u*f*C),Me=this.bufferSync(e),He=0;He<o.batchSize;++He)for(var Be=0;Be<o.inChannels;++Be)for(var Le=0;Le<o.inDepth;++Le)for(var Ue=0;Ue<o.inHeight;++Ue)for(var Ze=0;Ze<o.inWidth;++Ze){for(var Je=Le-le,ht=Ue-Ee,lt=Ze-xe,ut=0,vt=0;vt<ne;vt+=k){var mt=(Je+vt)/a;if(!(mt<0||mt>=o.outDepth||Math.floor(mt)!==mt))for(var ct=0;ct<ce;ct+=j){var xt=(ht+ct)/i;if(!(xt<0||xt>=o.outHeight||Math.floor(xt)!==xt))for(var wt=0;wt<se;wt+=Y){var Ot=(lt+wt)/s;Ot<0||Ot>=o.outWidth||Math.floor(Ot)!==Ot||(ut+=Me.get(He,mt,xt,Ot,Be))}}}_e.set(ut*Te,He,Le,Ue,Ze,Be)}return _e.toTensor()},r.prototype.maxPool3d=function(e,t){return pt(e,"maxPool3d"),this.pool3d(e,t,"max").toFloat()},r.prototype.maxPool3dPositions=function(e,t){for(var o=jt(t.outShape,"int32"),a=t.strideDepth,i=t.strideHeight,s=t.strideWidth,u=t.dilationDepth,f=t.dilationHeight,C=t.dilationWidth,k=t.effectiveFilterDepth,j=t.effectiveFilterHeight,Y=t.effectiveFilterWidth,ne=t.padInfo.front,ce=t.padInfo.top,se=t.padInfo.left,le=this.bufferSync(e),xe=0;xe<t.batchSize;++xe)for(var Ee=0;Ee<t.inChannels;++Ee)for(var _e=0;_e<t.outDepth;++_e){for(var Te=_e*a-ne,Me=Te;Me<0;)Me+=u;for(var He=Math.min(t.inDepth,k+Te),Be=0;Be<t.outHeight;++Be){for(var Le=Be*i-ce,Ue=Le;Ue<0;)Ue+=f;for(var Ze=Math.min(t.inHeight,j+Le),Je=0;Je<t.outWidth;++Je){for(var ht=Je*s-se,lt=ht;lt<0;)lt+=C;for(var ut=Math.min(t.inWidth,Y+ht),vt=Number.NEGATIVE_INFINITY,mt=-1,ct=Me;ct<He;ct+=u)for(var xt=ct-Te,wt=Ue;wt<Ze;wt+=f)for(var Ot=wt-Le,Mt=lt;Mt<ut;Mt+=C){var Pt=Mt-ht,Kt=le.get(xe,ct,wt,Mt,Ee);Kt>=vt&&(vt=Kt,mt=xt*j*Y+Ot*j+Pt)}o.set(mt,xe,_e,Be,Je,Ee)}}}return o.toTensor()},r.prototype.maxPool3dBackprop=function(e,t,o,a){pt([t,o],"maxPool3dBackprop");for(var i=this.maxPool3dPositions(t,a),s=a.strideDepth,u=a.strideHeight,f=a.strideWidth,C=a.dilationDepth,k=a.dilationHeight,j=a.dilationWidth,Y=a.effectiveFilterDepth,ne=a.effectiveFilterHeight,ce=a.effectiveFilterWidth,se=Y-1-a.padInfo.front,le=ce-1-a.padInfo.left,xe=ne-1-a.padInfo.top,Ee=jt(t.shape,"float32"),_e=this.bufferSync(i),Te=this.bufferSync(e),Me=0;Me<a.batchSize;++Me)for(var He=0;He<a.inChannels;++He)for(var Be=0;Be<a.inDepth;++Be)for(var Le=0;Le<a.inHeight;++Le)for(var Ue=0;Ue<a.inWidth;++Ue){for(var Ze=Be-se,Je=Le-xe,ht=Ue-le,lt=0,ut=0;ut<Y;ut+=C){var vt=(Ze+ut)/s;if(!(vt<0||vt>=a.outDepth||Math.floor(vt)!==vt))for(var mt=0;mt<ne;mt+=k){var ct=(Je+mt)/u;if(!(ct<0||ct>=a.outHeight||Math.floor(ct)!==ct))for(var xt=0;xt<ce;xt+=j){var wt=(ht+xt)/f;if(!(wt<0||wt>=a.outWidth||Math.floor(wt)!==wt)){var Ot=Y*ne*ce-1-_e.get(Me,vt,ct,wt,He)===ut*ne*ce+mt*ce+xt?1:0;Ot!==0&&(lt+=Te.get(Me,vt,ct,wt,He)*Ot)}}}}Ee.set(lt,Me,Be,Le,Ue,He)}return Ee.toTensor()},r.prototype.cast=function(e,t){return ci(e,t,this)},r.prototype.reshape=function(e,t){return Aa(e,t)},r.prototype.avgPool=function(e,t){return pt(e,"avgPool"),this.pool(e,t,"avg").toFloat()},r.prototype.resizeBilinear=function(e,t,o,a){pt(e,"resizeBilinear");for(var i=e.shape,s=i[0],u=i[1],f=i[2],C=i[3],k=this.readSync(e.dataId),j=new Float32Array(de([s,t,o,C])),Y=[a&&t>1?u-1:u,a&&o>1?f-1:f],ne=[a&&t>1?t-1:t,a&&o>1?o-1:o],ce=0,se=Y[0]/ne[0],le=Y[1]/ne[1],xe=0;xe<s;xe++)for(var Ee=0;Ee<t;Ee++)for(var _e=se*Ee,Te=Math.floor(_e),Me=_e-Te,He=Math.min(u-1,Math.ceil(_e)),Be=xe*e.strides[0]+Te*e.strides[1],Le=xe*e.strides[0]+He*e.strides[1],Ue=0;Ue<o;Ue++)for(var Ze=le*Ue,Je=Math.floor(Ze),ht=Ze-Je,lt=Math.min(f-1,Math.ceil(Ze)),ut=Be+Je*e.strides[2],vt=Le+Je*e.strides[2],mt=Be+lt*e.strides[2],ct=Le+lt*e.strides[2],xt=0;xt<C;xt++){var wt=k[ut+xt],Ot=k[vt+xt],Mt=wt+(k[mt+xt]-wt)*ht,Pt=Mt+(Ot+(k[ct+xt]-Ot)*ht-Mt)*Me;j[ce++]=Pt}return Ur(j,[s,t,o,C])},r.prototype.resizeBilinearBackprop=function(e,t,o){pt([e,t],"resizeBilinearBackprop");for(var a=t.shape,i=a[0],s=a[1],u=a[2],f=a[3],C=e.shape,k=C[1],j=C[2],Y=new Float32Array(i*s*u*f),ne=[o&&k>1?s-1:s,o&&j>1?u-1:u],ce=[o&&k>1?k-1:k,o&&j>1?j-1:j],se=ne[0]/ce[0],le=ne[1]/ce[1],xe=this.readSync(e.dataId),Ee=0,_e=0;_e<i;_e++)for(var Te=_e*t.strides[0],Me=0;Me<k;Me++)for(var He=Me*se,Be=Math.floor(He),Le=Math.min(Math.ceil(He),s-1),Ue=Te+Be*t.strides[1],Ze=Te+Le*t.strides[1],Je=He-Be,ht=1-Je,lt=0;lt<j;lt++)for(var ut=lt*le,vt=Math.floor(ut),mt=Math.min(Math.ceil(ut),u-1),ct=ut-vt,xt=1-ct,wt=Ue+vt*t.strides[2],Ot=Ue+mt*t.strides[2],Mt=Ze+vt*t.strides[2],Pt=Ze+mt*t.strides[2],Kt=ht*xt,Yt=ht*ct,$t=Je*xt,ar=Je*ct,er=0;er<f;er++){var ir=xe[Ee++];Y[wt+er]+=ir*Kt,Y[Ot+er]+=ir*Yt,Y[Mt+er]+=ir*$t,Y[Pt+er]+=ir*ar}return kn(Y,[i,u,s,f],t.dtype)},r.prototype.resizeNearestNeighbor=function(e,t,o,a){pt(e,"resizeNearestNeighbor");for(var i=e.shape,s=i[0],u=i[1],f=i[2],C=i[3],k=this.readSync(e.dataId),j=new Float32Array(s*t*o*C),Y=[a&&t>1?u-1:u,a&&o>1?f-1:f],ne=[a&&t>1?t-1:t,a&&o>1?o-1:o],ce=Y[0]/ne[0],se=Y[1]/ne[1],le=0,xe=0;xe<s;xe++)for(var Ee=xe*e.strides[0],_e=0;_e<t;_e++)for(var Te=ce*_e,Me=Ee+Math.min(u-1,a?Math.round(Te):Math.floor(Te))*e.strides[1],He=0;He<o;He++)for(var Be=se*He,Le=Me+Math.min(f-1,a?Math.round(Be):Math.floor(Be))*e.strides[2],Ue=0;Ue<C;Ue++){var Ze=k[Le+Ue];j[le++]=Ze}return Ur(j,[s,t,o,C],e.dtype)},r.prototype.resizeNearestNeighborBackprop=function(e,t,o){pt([e,t],"resizeNearestNeighborBackprop");for(var a=t.shape,i=a[0],s=a[1],u=a[2],f=a[3],C=e.shape,k=C[1],j=C[2],Y=new Float32Array(i*s*u*f),ne=this.readSync(e.dataId),ce=[o&&k>1?s-1:s,o&&j>1?u-1:u],se=[o&&k>1?k-1:k,o&&j>1?j-1:j],le=ce[0]/se[0],xe=ce[1]/se[1],Ee=1/le,_e=1/xe,Te=2*Math.ceil(Ee)+2,Me=2*Math.ceil(_e)+2,He=0;He<i;He++)for(var Be=He*t.strides[0],Le=0;Le<s;Le++)for(var Ue=Be+Le*t.strides[1],Ze=Math.floor(Le*Ee),Je=Math.floor(Ze-Te/2),ht=0;ht<u;ht++)for(var lt=Ue+ht*t.strides[2],ut=Math.floor(ht*_e),vt=Math.floor(ut-Me/2),mt=0;mt<f;mt++){for(var ct=0,xt=0;xt<Te;xt++){var wt=xt+Je;if(!(wt<0||wt>=k)){var Ot=Be+wt*e.strides[1],Mt=wt*le;if(Le===Math.min(s-1,o?Math.round(Mt):Math.floor(Mt)))for(var Pt=0;Pt<Me;Pt++){var Kt=Pt+vt;if(!(Kt<0||Kt>=j)){var Yt=Ot+Kt*e.strides[2],$t=Kt*xe;ht===Math.min(u-1,o?Math.round($t):Math.floor($t))&&(ct+=ne[Yt+mt])}}}}Y[lt+mt]=ct}return kn(Y,t.shape,t.dtype)},r.prototype.batchNormalization=function(e,t,o,a,i,s){pt([e,t,o,i,s],"batchNorm");for(var u=this.readSync(e.dataId),f=this.readSync(t.dataId),C=this.readSync(o.dataId),k=i?this.readSync(i.dataId):new Float32Array([1]),j=s?this.readSync(s.dataId):new Float32Array([0]),Y=new Float32Array(u.length),ne=j.length,ce=k.length,se=C.length,le=f.length,xe=0,Ee=0,_e=0,Te=0,Me=0;Me<u.length;++Me)Y[Me]=j[xe++]+(u[Me]-f[Ee++])*k[_e++]/Math.sqrt(C[Te++]+a),xe>=ne&&(xe=0),Ee>=le&&(Ee=0),_e>=ce&&(_e=0),Te>=se&&(Te=0);return kn(Y,e.shape)},r.prototype.localResponseNormalization4D=function(e,t,o,a,i){pt(e,"localResponseNormalization4D");var s=e.shape[3],u=s-1,f=this.readSync(e.dataId),C=e.size,k=new Float32Array(C);function j(se){for(var le=se%s,xe=se-le+Math.max(0,le-t),Ee=se-le+Math.min(le+t,u),_e=0;xe<=Ee;xe++){var Te=f[xe];_e+=Te*Te}return _e}for(var Y=0;Y<C;Y++){var ne=j(Y),ce=f[Y]*Math.pow(o+a*ne,-i);k[Y]=ce}return kn(k,e.shape)},r.prototype.LRNGrad=function(e,t,o,a,i,s,u){pt(e,"LRNGrad");for(var f=e.shape[3],C=this.readSync(e.dataId),k=this.readSync(t.dataId),j=this.readSync(o.dataId),Y=new Float32Array(e.size),ne=e.size,ce=0;ce<ne;ce++){for(var se=ce%f,le=ce-se+Math.max(0,se-a),xe=ce-se+Math.min(f,se+a+1),Ee=0,_e=le;_e<xe;_e++)Ee+=Math.pow(k[_e],2);for(Ee=s*Ee+i,_e=le;_e<xe;_e++){var Te=-2*s*u*k[_e]*j[ce]/Ee;ce===_e&&(Te+=Math.pow(Ee,-u)),Te*=C[ce],Y[_e]+=Te}}return kn(Y,e.shape)},r.prototype.multinomial=function(e,t,o,a){pt(e,"multinomial");for(var i=t?e:zo(e),s=i.shape[0],u=i.shape[1],f=Tr([s,o],"int32"),C=this.readSync(f.dataId),k=this.readSync(i.dataId),j=0;j<s;++j){var Y=j*u,ne=new Float32Array(u-1);ne[0]=k[Y];for(var ce=1;ce<ne.length;++ce)ne[ce]=ne[ce-1]+k[Y+ce];for(var se=Uo(a.toString()),le=j*o,xe=0;xe<o;++xe){var Ee=se();C[le+xe]=ne.length;for(var _e=0;_e<ne.length;_e++)if(Ee<ne[_e]){C[le+xe]=_e;break}}}return f},r.prototype.oneHot=function(e,t,o,a){pt(e,"oneHot");var i=new Float32Array(e.size*t);i.fill(a);for(var s=this.readSync(e.dataId),u=0;u<e.size;++u)s[u]>=0&&s[u]<t&&(i[u*t+s[u]]=o);return Zn(i,[e.size,t],"int32")},r.prototype.nonMaxSuppression=function(e,t,o,a,i){return pt(e,"nonMaxSuppression"),li(this.readSync(e.dataId),this.readSync(t.dataId),o,a,i)},r.prototype.fft=function(e){return this.fftBatch(e,!1)},r.prototype.ifft=function(e){return this.fftBatch(e,!0)},r.prototype.fftBatch=function(e,t){for(var o=e.shape[0],a=e.shape[1],i=jt(e.shape,"float32"),s=jt(e.shape,"float32"),u=un(e).as2D(o,a),f=xn(e).as2D(o,a),C=0;C<o;C++)for(var k=u.slice([C,0],[1,a]),j=f.slice([C,0],[1,a]),Y=xr(k,j),ne=this.readSync(this.fftImpl(Y,t).dataId),ce=0;ce<a;ce++){var se=es(ne,ce);i.values[C*a+ce]=se.real,s.values[C*a+ce]=se.imag}return xr(i.toTensor(),s.toTensor()).as2D(o,a)},r.prototype.fftImpl=function(e,t){var o=e.as1D(),a=o.size;if(this.isExponentOf2(a)){var i=this.fftRadix2(o,a,t).as2D(e.shape[0],e.shape[1]);return t&&(i=xr(un(i).div(It(a)),xn(i).div(It(a)))),i}var s=this.readSync(e.dataId),u=function(f){for(var C=new Float32Array(f.length/2),k=new Float32Array(f.length/2),j=0;j<f.length;j+=2)C[j/2]=f[j],k[j/2]=f[j+1];return{real:C,imag:k}}(this.fourierTransformByMatmul(s,a,t));return xr(u.real,u.imag).as2D(e.shape[0],e.shape[1])},r.prototype.isExponentOf2=function(e){return(e&e-1)==0},r.prototype.fftRadix2=function(e,t,o){if(t===1)return e;var a=this.readSync(e.dataId),i=t/2,s=function(le){for(var xe=Math.ceil(le.length/4),Ee=new Float32Array(xe),_e=new Float32Array(xe),Te=0;Te<le.length;Te+=4)Ee[Math.floor(Te/4)]=le[Te],_e[Math.floor(Te/4)]=le[Te+1];return{real:Ee,imag:_e}}(a),u=xr(s.real,s.imag).as1D(),f=function(le){for(var xe=Math.floor(le.length/4),Ee=new Float32Array(xe),_e=new Float32Array(xe),Te=2;Te<le.length;Te+=4)Ee[Math.floor(Te/4)]=le[Te],_e[Math.floor(Te/4)]=le[Te+1];return{real:Ee,imag:_e}}(a),C=xr(f.real,f.imag).as1D();u=this.fftRadix2(u,i,o),C=this.fftRadix2(C,i,o);var k=function(le,xe){for(var Ee=new Float32Array(le/2),_e=new Float32Array(le/2),Te=0;Te<Math.ceil(le/2);Te++){var Me=(xe?2:-2)*Math.PI*(Te/le);Ee[Te]=Math.cos(Me),_e[Te]=Math.sin(Me)}return{real:Ee,imag:_e}}(t,o),j=xr(k.real,k.imag).mul(C),Y=u.add(j),ne=u.sub(j),ce=un(Y).concat(un(ne)),se=xn(Y).concat(xn(ne));return xr(ce,se).as1D()},r.prototype.fourierTransformByMatmul=function(e,t,o){for(var a=new Float32Array(2*t),i=0;i<t;i++){for(var s=0,u=0,f=0;f<t;f++){var C=Zs(i*f,t,o),k=es(e,f);s+=k.real*C.real-k.imag*C.imag,u+=k.real*C.imag+k.imag*C.real}o&&(s/=t,u/=t),Qs(a,s,u,i)}return a},r.prototype.depthToSpace=function(e,t,o){_(o==="NHWC",function(){return"Only NHWC dataFormat supported on CPU for depthToSpace. Got "+o}),_(t>1,function(){return"blockSize should be > 1 for depthToSpace, but was: "+t});for(var a=e.shape[0],i=e.shape[1],s=e.shape[2],u=e.shape[3],f=i*t,C=s*t,k=u/(t*t),j=this.readSync(e.dataId),Y=new Float32Array(a*f*C*k),ne=0,ce=0;ce<a;++ce)for(var se=0;se<f;++se)for(var le=Math.floor(se/t),xe=se%t,Ee=0;Ee<C;++Ee)for(var _e=Math.floor(Ee/t),Te=(xe*t+Ee%t)*k,Me=0;Me<k;++Me){var He=Me+Te+u*(_e+s*(le+i*ce));Y[ne++]=j[He]}return kn(Y,[a,f,C,k])},r.prototype.broadcastedBinaryOp=function(e,t,o,a){var i=Ht(e.shape,t.shape),s=jt(i,o),u=this.readSync(e.dataId),f=this.readSync(t.dataId),C=En(e.shape,i),k=En(t.shape,i),j=s.values;if(C.length+k.length===0)for(var Y=0;Y<j.length;++Y)j[Y]=a(u[Y%u.length],f[Y%f.length]);else{var ne=this.bufferSync(e),ce=this.bufferSync(t),se=function(le){var xe=s.indexToLoc(le),Ee=xe.slice(-e.rank);C.forEach(function(He){return Ee[He]=0});var _e=ne.locToIndex(Ee),Te=xe.slice(-t.rank);k.forEach(function(He){return Te[He]=0});var Me=ce.locToIndex(Te);j[le]=a(u[_e],f[Me])};for(Y=0;Y<j.length;++Y)se(Y)}return s.toTensor()},r.prototype.broadcastedBinaryComplexOp=function(e,t,o){var a=Ht(e.shape,t.shape),i=jt(a,"float32"),s=jt(a,"float32"),u=this.readSync(e.dataId),f=this.readSync(t.dataId),C=En(e.shape,a),k=En(t.shape,a),j=i.values,Y=s.values;if(C.length+k.length===0)for(var ne=0;ne<j.length;ne++){var ce=ne%u.length,se=ne%f.length,le=o(u[2*ce],u[2*ce+1],f[2*se],f[2*se+1]);j[ne]=le.real,Y[ne]=le.imag}else{var xe=this.bufferSync(this.data.get(e.dataId).complexTensors.real),Ee=this.bufferSync(this.data.get(t.dataId).complexTensors.real),_e=function(Te){var Me=i.indexToLoc(Te),He=Me.slice(-e.rank);C.forEach(function(Je){return He[Je]=0});var Be=xe.locToIndex(He),Le=Me.slice(-t.rank);k.forEach(function(Je){return Le[Je]=0});var Ue=Ee.locToIndex(Le),Ze=o(u[2*Be],u[2*Be+1],f[2*Ue],f[2*Ue+1]);j[Te]=Ze.real,Y[Te]=Ze.imag};for(ne=0;ne<j.length;ne++)_e(ne)}return this.complex(i.toTensor(),s.toTensor())},r.prototype.split=function(e,t,o){return ns(e,t,o)},r.prototype.dispose=function(){},r.prototype.floatPrecision=function(){return 32},r.prototype.epsilon=function(){return 1e-7},r.prototype.cropAndResize=function(e,t,o,a,i,s){for(var u=e.shape,f=u[0],C=u[1],k=u[2],j=u[3],Y=t.shape[0],ne=a[0],ce=a[1],se=jt([Y,ne,ce,j],"float32"),le=this.readSync(t.dataId),xe=this.readSync(o.dataId),Ee=this.readSync(e.dataId),_e=e.strides,Te=se.strides,Me=0;Me<Y;Me++){var He=4*Me,Be=le[He],Le=le[He+1],Ue=le[He+2],Ze=le[He+3],Je=xe[Me];if(!(Je>=f))for(var ht=ne>1?(Ue-Be)*(C-1)/(ne-1):0,lt=ce>1?(Ze-Le)*(k-1)/(ce-1):0,ut=0;ut<ne;ut++){var vt=ne>1?Be*(C-1)+ut*ht:.5*(Be+Ue)*(C-1);if(vt<0||vt>C-1)for(var mt=0;mt<ce;mt++)for(var ct=0;ct<j;ct++){var xt=ct+mt*Te[2]+ut*Te[1]+Me*Te[0];se.values[xt]=s}else if(i==="bilinear"){var wt=Math.floor(vt),Ot=Math.ceil(vt),Mt=vt-wt;for(mt=0;mt<ce;mt++)if((tr=ce>1?Le*(k-1)+mt*lt:.5*(Le+Ze)*(k-1))<0||tr>k-1)for(ct=0;ct<j;ct++)xt=ct+mt*Te[2]+ut*Te[1]+Me*Te[0],se.values[xt]=s;else{var Pt=Math.floor(tr),Kt=Math.ceil(tr),Yt=tr-Pt;for(ct=0;ct<j;ct++){var $t=Ee[xt=ct+Pt*_e[2]+wt*_e[1]+Je*_e[0]],ar=Ee[xt=ct+Kt*_e[2]+wt*_e[1]+Je*_e[0]],er=Ee[xt=ct+Pt*_e[2]+Ot*_e[1]+Je*_e[0]],ir=$t+(ar-$t)*Yt,Lr=er+(Ee[xt=ct+Kt*_e[2]+Ot*_e[1]+Je*_e[0]]-er)*Yt;xt=ct+mt*Te[2]+ut*Te[1]+Me*Te[0],se.values[xt]=ir+(Lr-ir)*Mt}}}else for(mt=0;mt<ce;++mt){var tr;if((tr=ce>1?Le*(k-1)+mt*lt:.5*(Le+Ze)*(k-1))<0||tr>k-1)for(ct=0;ct<j;ct++)xt=ct+mt*Te[2]+ut*Te[1]+Me*Te[0],se.values[xt]=s;else{var Er=Math.round(tr),fr=Math.round(vt);for(ct=0;ct<j;ct++){var jr=ct+Er*_e[2]+fr*_e[1]+Je*_e[0],Mr=ct+mt*Te[2]+ut*Te[1]+Me*Te[0];se.values[Mr]=Ee[jr]}}}}}return se.toTensor()},r.prototype.sparseToDense=function(e,t,o,a){var i=Ho(0,e,o),s=i.sliceRank,u=i.numUpdates,f=i.sliceSize,C=i.strides,k=i.outputSize;return this.scatter(e,t,o,k,f,u,s,C,a,!1)},r.prototype.gatherND=function(e,t){var o=t.shape,a=o[o.length-1],i=Xi(e,t),s=i[0],u=i[1],f=i[2],C=i[3];if(u===0)return Ur([],s,e.dtype);for(var k=new Nr([u,f],e.dtype),j=this.readSync(t.dataId),Y=this.readSync(e.dataId),ne=0;ne<u;ne++){for(var ce=[],se=0,le=0;le<a;le++){var xe=j[ne*a+le];se+=xe*C[le],ce.push(xe)}if(se<0||se>=e.size/f)throw new Error("Invalid indices: "+ce+" does not index into "+e.shape);for(var Ee=0;Ee<f;Ee++)k.values[ne*f+Ee]=Y[se*f+Ee]}return k.toTensor().reshape(s)},r.prototype.scatterND=function(e,t,o){var a=Ho(0,e,o),i=a.sliceRank,s=a.numUpdates,u=a.sliceSize,f=a.strides,C=a.outputSize,k=It(0);return this.scatter(e,t,o,C,u,s,i,f,k,!0)},r.prototype.fill=function(e,t,o){var a=De(o=o||ot(t),de(e));return a.fill(t),Ve.makeTensor(a,e,o,this)},r.prototype.onesLike=function(e){if(e.dtype==="string")throw new Error("onesLike is not supported for string tensors");return this.fill(e.shape,1,e.dtype)},r.prototype.zerosLike=function(e){var t=De(e.dtype,de(e.shape));return this.makeOutput(t,e.shape,e.dtype)},r.prototype.linspace=function(e,t,o){return Zi(e,t,o)},r.prototype.scatter=function(e,t,o,a,i,s,u,f,C,k){var j=[a/i,i],Y=this.readSync(e.dataId),ne=this.readSync(t.dataId);if(a===0)return Ur([],o,t.dtype);var ce=new Nr(j,t.dtype);ce.values.fill(this.readSync(C.dataId)[0]);for(var se=0;se<s;se++){for(var le=[],xe=0,Ee=0;Ee<u;Ee++){var _e=Y[se*u+Ee];le.push(_e),xe+=_e*f[Ee]}if(xe<0||xe>=a/i)throw new Error("Invalid indices: "+le+" does not index into "+o);for(var Te=0;Te<i;Te++)k?ce.values[xe*i+Te]+=ne[se*i+Te]:ce.values[xe*i+Te]=t.rank===0?ne[0]:ne[se*i+Te]}return ce.toTensor().reshape(o)},r}(Ca);Ve.registerBackend("cpu",function(){return new wp},1);for(var Ru=0,Dl=[{kernelName:"NonMaxSuppressionV5",backendName:"cpu",kernelFunc:function(n){var r=n.inputs,e=n.backend,t=n.attrs,o=r,a=o.boxes,i=o.scores,s=t,u=s.maxOutputSize,f=s.iouThreshold,C=s.scoreThreshold,k=s.softNmsSigma,j=e;pt(a,"NonMaxSuppressionWithScore");var Y=di(j.data.get(a.dataId).values,j.data.get(i.dataId).values,u,f,C,k);return[Y.selectedIndices,Y.selectedScores]}},{kernelName:"Square",backendName:"cpu",kernelFunc:function(n){var r=n.inputs,e=n.backend,t=r.x,o=e;pt(t,"square");for(var a=o.data.get(t.dataId).values,i=new Float32Array(a.length),s=0;s<a.length;++s){var u=a[s];i[s]=u*u}return{dataId:o.write(i,t.shape,t.dtype),shape:t.shape,dtype:t.dtype}}},{kernelName:wi,backendName:"cpu",kernelFunc:function(n){var r=n.inputs,e=n.backend,t=r,o=t.a,a=t.b,i=e;pt([o,a],wi);var s=i.data.get(o.dataId).values,u=i.data.get(a.dataId).values,f=function(j,Y,ne,ce,se,le){var xe=Ht(j,Y),Ee=xe.length,_e=$e(xe),Te=Se(se,de(xe)),Me=j.length,He=Y.length,Be=$e(j),Le=$e(Y),Ue=En(j,xe),Ze=En(Y,xe);if(Ue.length+Ze.length===0)for(var Je=0;Je<Te.length;++Je)Te[Je]=le(ne[Je%ne.length],ce[Je%ce.length]);else{var ht=function(lt){var ut=st(lt,Ee,_e),vt=ut.slice(-Me);Ue.forEach(function(wt){return vt[wt]=0});var mt=nt(vt,Me,Be),ct=ut.slice(-He);Ze.forEach(function(wt){return ct[wt]=0});var xt=nt(ct,He,Le);Te[lt]=le(ne[mt],ce[xt])};for(Je=0;Je<Te.length;++Je)ht(Je)}return[Te,xe]}(o.shape,a.shape,s,u,o.dtype,function(j,Y){var ne=j-Y;return ne*ne}),C=f[0],k=f[1];return{dataId:i.write(C,k,o.dtype),shape:k,dtype:o.dtype}}}];Ru<Dl.length;Ru++)Q(Dl[Ru]);for(var Da,Ep=function(n){this.variableNames=["A"];var r=Kr(),e=n[0],t=n[1];this.outputShape=n,this.userCode=`
void main() {
ivec3 coords = getOutputCoords();
int texR = coords[0];
int texC = coords[1];
int depth = coords[2];
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(`+t+".0, "+e+`.0);
vec4 values = `+r.texture2D+`(A, uv);
float value;
if (depth == 0) {
value = values.r;
} else if (depth == 1) {
value = values.g;
} else if (depth == 2) {
value = values.b;
} else if (depth == 3) {
value = values.a;
}
setOutput(floor(value * 255.0 + 0.5));
}
`},_p=function(n){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var r=Kr(),e=n[0],t=n[1];this.outputShape=n,this.userCode=`
void main() {
ivec3 coords = getOutputCoords();
int texR = coords[0];
int texC = coords[1];
int depth = coords[2];
vec4 result = vec4(0.);
for(int row=0; row<=1; row++) {
for(int col=0; col<=1; col++) {
texC = coords[1] + row;
depth = coords[2] + col;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(`+t+".0, "+e+`.0);
vec4 values = `+r.texture2D+`(A, uv);
float value;
if (depth == 0) {
value = values.r;
} else if (depth == 1) {
value = values.g;
} else if (depth == 2) {
value = values.b;
} else if (depth == 3) {
value = values.a;
}
result[row * 2 + col] = floor(value * 255.0 + 0.5);
}
}
`+r.output+` = result;
}
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C,k=Ci(e),j=s.transaction(Ro,"readwrite"),Y=j.objectStore(Ro),ne=Y.put({modelPath:t.modelPath,modelArtifactsInfo:k});ne.onsuccess=function(){var ce=(C=s.transaction(Zo,"readwrite")).objectStore(Zo).put({modelPath:t.modelPath,modelArtifacts:e,modelArtifactsInfo:k});ce.onsuccess=function(){return o({modelArtifactsInfo:k})},ce.onerror=function(se){var le=(Y=j.objectStore(Ro)).delete(t.modelPath);le.onsuccess=function(){return s.close(),a(ce.error)},le.onerror=function(xe){return s.close(),a(ce.error)}}},ne.onerror=function(ce){return s.close(),a(ne.error)},j.oncomplete=function(){C==null?s.close():C.oncomplete=function(){return s.close()}}}},i.onerror=function(s){return a(i.error)}})},n.URL_SCHEME="indexeddb://",n}(),Ul=function(n){return p().getBool("IS_BROWSER")&&!Array.isArray(n)&&n.startsWith(Ma.URL_SCHEME)?(r=n.slice(Ma.URL_SCHEME.length),new Ma(r)):null;var r};pn.registerSaveRouter(Ul),pn.registerLoadRouter(Ul);var Op=function(){function n(){this.indexedDB=Bl()}return n.prototype.listModels=function(){return E(this,void 0,void 0,function(){var r=this;return g(this,function(e){return[2,new Promise(function(t,o){var a=r.indexedDB.open("tensorflowjs",1);a.onupgradeneeded=function(){return Fu(a)},a.onsuccess=function(){var i=a.result,s=i.transaction(Ro,"readonly"),u=s.objectStore(Ro).getAll();u.onsuccess=function(){for(var f={},C=0,k=u.result;C<k.length;C++){var j=k[C];f[j.modelPath]=j.modelArtifactsInfo}t(f)},u.onerror=function(f){return i.close(),o(u.error)},s.oncomplete=function(){return i.close()}},a.onerror=function(i){return o(a.error)}})]})})},n.prototype.removeModel=function(r){return E(this,void 0,void 0,function(){var e=this;return g(this,function(t){var o;return r=(o=r).startsWith(Ma.URL_SCHEME)?o.slice(Ma.URL_SCHEME.length):o,[2,new Promise(function(a,i){var s=e.indexedDB.open("tensorflowjs",1);s.onupgradeneeded=function(){return Fu(s)},s.onsuccess=function(){var u,f=s.result,C=f.transaction(Ro,"readwrite"),k=C.objectStore(Ro),j=k.get(r);j.onsuccess=function(){if(j.result==null)return f.close(),i(new Error("Cannot find model with path '"+r+"' in IndexedDB."));var Y=k.delete(r),ne=function(){var ce=(u=f.transaction(Zo,"readwrite")).objectStore(Zo).delete(r);ce.onsuccess=function(){return a(j.result.modelArtifactsInfo)},ce.onerror=function(se){return i(j.error)}};Y.onsuccess=ne,Y.onerror=function(ce){return ne(),f.close(),i(j.error)}},j.onerror=function(Y){return f.close(),i(j.error)},C.oncomplete=function(){u==null?f.close():u.oncomplete=function(){return f.close()}}},s.onerror=function(u){return i(s.error)}})]})})},n}();if(p().getBool("IS_BROWSER"))try{Oo.registerManager(Ma.URL_SCHEME,new Op)}catch(n){}var ao="/",Pa="tensorflowjs_models",Wl="info",Rp="model_topology",Ip="weight_specs",Np="weight_data",Dp="model_metadata";function 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missing.");if(e.weightSpecs=o,(a=this.LS.getItem(this.keys.modelMetadata))!=null&&(i=JSON.parse(a),e.format=i.format,e.generatedBy=i.generatedBy,e.convertedBy=i.convertedBy,e.userDefinedMetadata=i.userDefinedMetadata),(s=this.LS.getItem(this.keys.weightData))==null)throw new Error("In local storage, the binary weight values of model '"+this.modelPath+"' are missing.");return e.weightData=function(f){if(Mu){var C=F.from(f,"base64");return C.buffer.slice(C.byteOffset,C.byteOffset+C.byteLength)}for(var k=atob(f),j=new Uint8Array(k.length),Y=0;Y<k.length;++Y)j.set([k.charCodeAt(Y)],Y);return j.buffer}(s),[2,e]})})},n.URL_SCHEME="localstorage://",n}(),zl=function(n){return p().getBool("IS_BROWSER")&&!Array.isArray(n)&&n.startsWith(Fa.URL_SCHEME)?(r=n.slice(Fa.URL_SCHEME.length),new Fa(r)):null;var r};pn.registerSaveRouter(zl),pn.registerLoadRouter(zl);var Mp=function(){function n(){_(p().getBool("IS_BROWSER"),function(){return"Current environment is not a web browser"}),_(typeof 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Pp="model",Fp=".json",jp=".weights.bin";function Gl(n){return new Promise(function(r){return setTimeout(r)}).then(n)}var ju=function(){function n(r){if(!p().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");r.startsWith(n.URL_SCHEME)&&(r=r.slice(n.URL_SCHEME.length)),r!=null&&r.length!==0||(r=Pp),this.modelTopologyFileName=r+Fp,this.weightDataFileName=r+jp}return n.prototype.save=function(r){return E(this,void 0,void 0,function(){var e,t,o,a,i,s;return g(this,function(u){switch(u.label){case 0:if(typeof document=="undefined")throw new Error("Browser downloads are not supported in this environment since `document` is not present");if(e=window.URL.createObjectURL(new Blob([r.weightData],{type:"application/octet-stream"})),!(r.modelTopology instanceof ArrayBuffer))return[3,1];throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");case 1:return t=[{paths:["./"+this.weightDataFileName],weights:r.weightSpecs}],o={modelTopology:r.modelTopology,format:r.format,generatedBy:r.generatedBy,convertedBy:r.convertedBy,weightsManifest:t},a=window.URL.createObjectURL(new Blob([JSON.stringify(o)],{type:"application/json"})),(i=this.jsonAnchor==null?document.createElement("a"):this.jsonAnchor).download=this.modelTopologyFileName,i.href=a,[4,Gl(function(){return i.dispatchEvent(new MouseEvent("click"))})];case 2:return u.sent(),r.weightData==null?[3,4]:((s=this.weightDataAnchor==null?document.createElement("a"):this.weightDataAnchor).download=this.weightDataFileName,s.href=e,[4,Gl(function(){return s.dispatchEvent(new MouseEvent("click"))})]);case 3:u.sent(),u.label=4;case 4:return[2,{modelArtifactsInfo:Ci(r)}]}})})},n.URL_SCHEME="downloads://",n}(),Lp=function(){function n(r){if(r==null||r.length<1)throw new Error("When calling browserFiles, at least 1 file is required, but received "+r);this.files=r}return 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Expected: `+f+".")}}function zu(n,r,e){return!isFinite(n)&&!isFinite(r)||!(isNaN(n)||isNaN(r)||Math.abs(n-r)>e)}var qp=Object.freeze({TEST_EPSILON_FLOAT16:Ql,expectArraysClose:function(n,r,e){return e==null&&(e=Wu()),Hu(n,r,function(t,o){return zu(t,o,e)})},testEpsilon:Wu,expectPromiseToFail:function(n,r){n().then(function(){return r.fail()},function(){return r()})},expectArraysEqual:function(n,r){var e=typeof r=="string"||typeof r=="number"||typeof r=="boolean"?[r]:r;return Pe(n)||Pe(n[0])||Pe(r)||Pe(r[0])?Hu(n,e,function(t,o){return t==o}):Hu(n,r,function(t,o){return zu(t,o,0)})},expectNumbersClose:function(n,r,e){if(e==null&&(e=Wu()),!zu(n,r,e))throw new Error("Numbers differ: actual === "+n+", expected === "+r)},expectValuesInRange:function(n,r,e){for(var t=0;t<n.length;t++)if(n[t]<r||n[t]>e)throw new Error("Value out of range:"+n[t]+" low: "+r+", high: "+e)},expectArrayBuffersEqual:function(n,r){expect(new Float32Array(n)).toEqual(new Float32Array(r))}}),Qp="1.7.0",Zp=Object.freeze({gpgpu_util:ld,webgl_util:Es,forceHalfFloat:function(){p().set("WEBGL_FORCE_F16_TEXTURES",!0)},MathBackendWebGL:Hc,setWebGLContext:Ga,GPGPUContext:Tc}),ea=function(n){function r(){return n!==null&&n.apply(this,arguments)||this}return D(r,n),r.prototype.minimize=function(e,t,o){t===void 0&&(t=!1);var a=this.computeGradients(e,o),i=a.value,s=a.grads;if(o!=null){var u=o.map(function(f){return{name:f.name,tensor:s[f.name]}});this.applyGradients(u)}else this.applyGradients(s);return qr(s),t?i:(i.dispose(),null)},Object.defineProperty(r.prototype,"iterations",{get:function(){return this.iterations_==null&&(this.iterations_=0),this.iterations_},enumerable:!0,configurable:!0}),r.prototype.incrementIterations=function(){this.iterations_=this.iterations+1},r.prototype.computeGradients=function(e,t){return ii(e,t)},r.prototype.dispose=function(){this.iterations_!=null&&qr(this.iterations_)},r.prototype.saveIterations=function(){return E(this,void 0,void 0,function(){return g(this,function(e){return this.iterations_==null&&(this.iterations_=0),[2,{name:"iter",tensor:It(this.iterations_,"int32")}]})})},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){return g(this,function(e){throw new Error("getWeights() is not implemented for this optimizer yet.")})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){return g(this,function(t){throw new Error("setWeights() is not implemented for this optimizer class "+this.getClassName())})})},r.prototype.extractIterations=function(e){return E(this,void 0,void 0,function(){var t;return g(this,function(o){switch(o.label){case 0:return t=this,[4,e[0].tensor.data()];case 1:return t.iterations_=o.sent()[0],[2,e.slice(1)]}})})},r}(Jl);Object.defineProperty(ea,Symbol.hasInstance,{value:function(n){return n.minimize!=null&&n.computeGradients!=null&&n.applyGradients!=null}});var Zl=function(n){function r(e,t,o){o===void 0&&(o=null);var a=n.call(this)||this;return a.learningRate=e,a.rho=t,a.epsilon=o,a.accumulatedGrads=[],a.accumulatedUpdates=[],o==null&&(a.epsilon=Ve.backend.epsilon()),a}return D(r,n),r.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map(function(o){return o.name}):Object.keys(e)).forEach(function(o,a){var i=Ve.registeredVariables[o];t.accumulatedGrads[a]==null&&(t.accumulatedGrads[a]={originalName:o+"/accum_grad",variable:Rr(function(){return Jt(i).variable(!1)})}),t.accumulatedUpdates[a]==null&&(t.accumulatedUpdates[a]={originalName:o+"/accum_var",variable:Rr(function(){return Jt(i).variable(!1)})});var s=Array.isArray(e)?e[a].tensor:e[o];if(s!=null){var u=t.accumulatedGrads[a].variable,f=t.accumulatedUpdates[a].variable;Rr(function(){var C=u.mul(t.rho).add(s.square().mul(1-t.rho)),k=f.add(t.epsilon).sqrt().div(u.add(t.epsilon).sqrt()).mul(s),j=f.mul(t.rho).add(k.square().mul(1-t.rho));u.assign(C),f.assign(j);var Y=k.mul(-t.learningRate).add(i);i.assign(Y)})}}),this.incrementIterations()},r.prototype.dispose=function(){this.accumulatedUpdates!=null&&(qr(this.accumulatedGrads.map(function(e){return e.variable})),qr(this.accumulatedUpdates.map(function(e){return e.variable})))},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){var e;return g(this,function(t){switch(t.label){case 0:return e=this.accumulatedGrads.concat(this.accumulatedUpdates),[4,this.saveIterations()];case 1:return[2,[t.sent()].concat(e.map(function(o){return{name:o.originalName,tensor:o.variable}}))]}})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){var t;return g(this,function(o){switch(o.label){case 0:return[4,this.extractIterations(e)];case 1:return e=o.sent(),t=e.length/2,this.accumulatedGrads=e.slice(0,t).map(function(a){return{originalName:a.name,variable:a.tensor.variable(!1)}}),this.accumulatedUpdates=e.slice(t,2*t).map(function(a){return{originalName:a.name,variable:a.tensor.variable(!1)}}),[2]}})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate,rho:this.rho,epsilon:this.epsilon}},r.fromConfig=function(e,t){return new e(t.learningRate,t.rho,t.epsilon)},r.className="Adadelta",r}(ea);Io(Zl);var ed=function(n){function r(e,t){t===void 0&&(t=.1);var o=n.call(this)||this;return o.learningRate=e,o.initialAccumulatorValue=t,o.accumulatedGrads=[],o}return D(r,n),r.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map(function(o){return o.name}):Object.keys(e)).forEach(function(o,a){var i=Ve.registeredVariables[o];t.accumulatedGrads[a]==null&&(t.accumulatedGrads[a]={originalName:o+"/accumulator",variable:Rr(function(){return ei(i.shape,t.initialAccumulatorValue).variable(!1)})});var s=Array.isArray(e)?e[a].tensor:e[o];if(s!=null){var u=t.accumulatedGrads[a].variable;Rr(function(){var f=u.add(s.square());u.assign(f);var C=s.div(f.add(Ve.backend.epsilon()).sqrt()).mul(-t.learningRate).add(i);i.assign(C)})}}),this.incrementIterations()},r.prototype.dispose=function(){this.accumulatedGrads!=null&&qr(this.accumulatedGrads.map(function(e){return e.variable}))},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){return g(this,function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()].concat(this.accumulatedGrads.map(function(t){return{name:t.originalName,tensor:t.variable}}))]}})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){return g(this,function(t){switch(t.label){case 0:return[4,this.extractIterations(e)];case 1:return e=t.sent(),this.accumulatedGrads=e.map(function(o){return{originalName:o.name,variable:o.tensor.variable(!1)}}),[2]}})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate,initialAccumulatorValue:this.initialAccumulatorValue}},r.fromConfig=function(e,t){return new e(t.learningRate,t.initialAccumulatorValue)},r.className="Adagrad",r}(ea);Io(ed);var td=function(n){function r(e,t,o,a){a===void 0&&(a=null);var i=n.call(this)||this;return i.learningRate=e,i.beta1=t,i.beta2=o,i.epsilon=a,i.accumulatedFirstMoment=[],i.accumulatedSecondMoment=[],Rr(function(){i.accBeta1=It(t).variable(),i.accBeta2=It(o).variable()}),a==null&&(i.epsilon=Ve.backend.epsilon()),i}return D(r,n),r.prototype.applyGradients=function(e){var t=this,o=Array.isArray(e)?e.map(function(a){return a.name}):Object.keys(e);Rr(function(){var a=Ao(1,t.accBeta1),i=Ao(1,t.accBeta2);o.forEach(function(s,u){var f=Ve.registeredVariables[s];t.accumulatedFirstMoment[u]==null&&(t.accumulatedFirstMoment[u]={originalName:s+"/m",variable:Rr(function(){return Jt(f).variable(!1)})}),t.accumulatedSecondMoment[u]==null&&(t.accumulatedSecondMoment[u]={originalName:s+"/v",variable:Rr(function(){return Jt(f).variable(!1)})});var C=Array.isArray(e)?e[u].tensor:e[s];if(C!=null){var k=t.accumulatedFirstMoment[u].variable,j=t.accumulatedSecondMoment[u].variable,Y=k.mul(t.beta1).add(C.mul(1-t.beta1)),ne=j.mul(t.beta2).add(C.square().mul(1-t.beta2)),ce=Y.div(a),se=ne.div(i);k.assign(Y),j.assign(ne);var le=ce.div(se.sqrt().add(t.epsilon)).mul(-t.learningRate).add(f);f.assign(le)}}),t.accBeta1.assign(t.accBeta1.mul(t.beta1)),t.accBeta2.assign(t.accBeta2.mul(t.beta2))}),this.incrementIterations()},r.prototype.dispose=function(){this.accBeta1.dispose(),this.accBeta2.dispose(),this.accumulatedFirstMoment!=null&&qr(this.accumulatedFirstMoment.map(function(e){return e.variable})),this.accumulatedSecondMoment!=null&&qr(this.accumulatedSecondMoment.map(function(e){return e.variable}))},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){var e;return g(this,function(t){switch(t.label){case 0:return e=this.accumulatedFirstMoment.concat(this.accumulatedSecondMoment),[4,this.saveIterations()];case 1:return[2,[t.sent()].concat(e.map(function(o){return{name:o.originalName,tensor:o.variable}}))]}})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){var t,o=this;return g(this,function(a){switch(a.label){case 0:return[4,this.extractIterations(e)];case 1:return e=a.sent(),Rr(function(){o.accBeta1.assign(hs(o.beta1,o.iterations_+1)),o.accBeta2.assign(hs(o.beta2,o.iterations_+1))}),t=e.length/2,this.accumulatedFirstMoment=e.slice(0,t).map(function(i){return{originalName:i.name,variable:i.tensor.variable(!1)}}),this.accumulatedSecondMoment=e.slice(t,2*t).map(function(i){return{originalName:i.name,variable:i.tensor.variable(!1)}}),[2]}})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon}},r.fromConfig=function(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon)},r.className="Adam",r}(ea);Io(td);var rd=function(n){function r(e,t,o,a,i){a===void 0&&(a=null),i===void 0&&(i=0);var s=n.call(this)||this;return s.learningRate=e,s.beta1=t,s.beta2=o,s.epsilon=a,s.decay=i,s.accumulatedFirstMoment=[],s.accumulatedWeightedInfNorm=[],Rr(function(){s.iteration=It(0).variable(),s.accBeta1=It(t).variable()}),a==null&&(s.epsilon=Ve.backend.epsilon()),s}return D(r,n),r.prototype.applyGradients=function(e){var t=this,o=Array.isArray(e)?e.map(function(a){return a.name}):Object.keys(e);Rr(function(){var a=Ao(1,t.accBeta1),i=fs(-t.learningRate,t.iteration.mul(t.decay).add(1));o.forEach(function(s,u){var f=Ve.registeredVariables[s];t.accumulatedFirstMoment[u]==null&&(t.accumulatedFirstMoment[u]={originalName:s+"/m",variable:Jt(f).variable(!1)}),t.accumulatedWeightedInfNorm[u]==null&&(t.accumulatedWeightedInfNorm[u]={originalName:s+"/v",variable:Jt(f).variable(!1)});var C=Array.isArray(e)?e[u].tensor:e[s];if(C!=null){var k=t.accumulatedFirstMoment[u].variable,j=t.accumulatedWeightedInfNorm[u].variable,Y=k.mul(t.beta1).add(C.mul(1-t.beta1)),ne=j.mul(t.beta2),ce=C.abs(),se=ne.maximum(ce);k.assign(Y),j.assign(se);var le=i.div(a).mul(Y.div(se.add(t.epsilon))).add(f);f.assign(le)}}),t.iteration.assign(t.iteration.add(1)),t.accBeta1.assign(t.accBeta1.mul(t.beta1))}),this.incrementIterations()},r.prototype.dispose=function(){this.accBeta1.dispose(),this.iteration.dispose(),this.accumulatedFirstMoment!=null&&qr(this.accumulatedFirstMoment.map(function(e){return e.variable})),this.accumulatedWeightedInfNorm!=null&&qr(this.accumulatedWeightedInfNorm.map(function(e){return e.variable}))},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){return g(this,function(e){throw new Error("getWeights() is not implemented for Adamax yet.")})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){return g(this,function(t){throw new Error("setWeights() is not implemented for Adamax yet.")})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate,beta1:this.beta1,beta2:this.beta2,epsilon:this.epsilon,decay:this.decay}},r.fromConfig=function(e,t){return new e(t.learningRate,t.beta1,t.beta2,t.epsilon,t.decay)},r.className="Adamax",r}(ea);Io(rd);var Gu=function(n){function r(e){var t=n.call(this)||this;return t.learningRate=e,t.setLearningRate(e),t}return D(r,n),r.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map(function(o){return o.name}):Object.keys(e)).forEach(function(o,a){var i=Array.isArray(e)?e[a].tensor:e[o];if(i!=null){var s=Ve.registeredVariables[o];Rr(function(){var u=t.c.mul(i).add(s);s.assign(u)})}}),this.incrementIterations()},r.prototype.setLearningRate=function(e){this.learningRate=e,this.c!=null&&this.c.dispose(),this.c=Cs(It(-e))},r.prototype.dispose=function(){this.c.dispose()},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){return g(this,function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()]]}})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){return g(this,function(t){switch(t.label){case 0:return[4,this.extractIterations(e)];case 1:if((e=t.sent()).length!==0)throw new Error("SGD optimizer does not have settable weights.");return[2]}})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate}},r.fromConfig=function(e,t){return new e(t.learningRate)},r.className="SGD",r}(ea);Io(Gu);var nd=function(n){function r(e,t,o){o===void 0&&(o=!1);var a=n.call(this,e)||this;return a.learningRate=e,a.momentum=t,a.useNesterov=o,a.accumulations=[],a.m=It(a.momentum),a}return D(r,n),r.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map(function(o){return o.name}):Object.keys(e)).forEach(function(o,a){var i=Ve.registeredVariables[o];t.accumulations[a]==null&&(t.accumulations[a]={originalName:o+"/momentum",variable:Rr(function(){return Jt(i).variable(!1)})});var s=t.accumulations[a].variable,u=Array.isArray(e)?e[a].tensor:e[o];u!=null&&Rr(function(){var f,C=t.m.mul(s).add(u);f=t.useNesterov?t.c.mul(u.add(C.mul(t.m))).add(i):t.c.mul(C).add(i),s.assign(C),i.assign(f)})}),this.incrementIterations()},r.prototype.dispose=function(){this.m.dispose(),this.accumulations!=null&&qr(this.accumulations.map(function(e){return e.variable}))},r.prototype.setMomentum=function(e){this.momentum=e},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){return g(this,function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()].concat(this.accumulations.map(function(t){return{name:t.originalName,tensor:t.variable}}))]}})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){return g(this,function(t){switch(t.label){case 0:return[4,this.extractIterations(e)];case 1:return e=t.sent(),this.accumulations=e.map(function(o){return{originalName:o.name,variable:o.tensor.variable(!1)}}),[2]}})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate,momentum:this.momentum,useNesterov:this.useNesterov}},r.fromConfig=function(e,t){return new e(t.learningRate,t.momentum,t.useNesterov)},r.className="Momentum",r}(Gu);Io(nd);var od=function(n){function r(e,t,o,a,i){t===void 0&&(t=.9),o===void 0&&(o=0),a===void 0&&(a=null),i===void 0&&(i=!1);var s=n.call(this)||this;if(s.learningRate=e,s.decay=t,s.momentum=o,s.epsilon=a,s.accumulatedMeanSquares=[],s.accumulatedMoments=[],s.accumulatedMeanGrads=[],s.centered=i,a==null&&(s.epsilon=Ve.backend.epsilon()),e==null)throw new Error("learningRate for RMSPropOptimizer must be defined.");return s}return D(r,n),r.prototype.applyGradients=function(e){var t=this;(Array.isArray(e)?e.map(function(o){return o.name}):Object.keys(e)).forEach(function(o,a){var i=Ve.registeredVariables[o];t.accumulatedMeanSquares[a]==null&&(t.accumulatedMeanSquares[a]={originalName:o+"/rms",variable:Rr(function(){return Jt(i).variable(!1)})}),t.accumulatedMoments[a]==null&&(t.accumulatedMoments[a]={originalName:o+"/momentum",variable:Rr(function(){return Jt(i).variable(!1)})}),t.accumulatedMeanGrads[a]==null&&t.centered&&(t.accumulatedMeanGrads[a]={originalName:o+"/mg",variable:Rr(function(){return Jt(i).variable(!1)})});var s=Array.isArray(e)?e[a].tensor:e[o];if(s!=null){var u=t.accumulatedMeanSquares[a].variable,f=t.accumulatedMoments[a].variable;Rr(function(){var C=u.mul(t.decay).add(s.square().mul(1-t.decay));if(t.centered){var k=t.accumulatedMeanGrads[a].variable,j=k.mul(t.decay).add(s.mul(1-t.decay)),Y=f.mul(t.momentum).add(s.mul(t.learningRate).div(C.sub(j.square().add(t.epsilon)).sqrt()));u.assign(C),k.assign(j),f.assign(Y);var ne=i.sub(Y);i.assign(ne)}else{var ce=u.mul(t.decay).add(s.square().mul(1-t.decay));Y=f.mul(t.momentum).add(s.mul(t.learningRate).div(ce.add(t.epsilon).sqrt())),u.assign(ce),f.assign(Y),ne=i.sub(Y),i.assign(ne)}})}}),this.incrementIterations()},r.prototype.dispose=function(){this.accumulatedMeanSquares!=null&&qr(this.accumulatedMeanSquares.map(function(e){return e.variable})),this.accumulatedMeanGrads!=null&&this.centered&&qr(this.accumulatedMeanGrads.map(function(e){return e.variable})),this.accumulatedMoments!=null&&qr(this.accumulatedMoments.map(function(e){return e.variable}))},r.prototype.getWeights=function(){return E(this,void 0,void 0,function(){var e;return g(this,function(t){switch(t.label){case 0:return e=this.accumulatedMeanSquares.concat(this.accumulatedMoments),this.centered&&e.push.apply(e,this.accumulatedMeanGrads),[4,this.saveIterations()];case 1:return[2,[t.sent()].concat(e.map(function(o){return{name:o.originalName,tensor:o.variable}}))]}})})},r.prototype.setWeights=function(e){return E(this,void 0,void 0,function(){var t;return g(this,function(o){switch(o.label){case 0:return[4,this.extractIterations(e)];case 1:return e=o.sent(),t=this.centered?e.length/3:e.length/2,this.accumulatedMeanSquares=e.slice(0,t).map(function(a){return{originalName:a.name,variable:a.tensor.variable(!1)}}),this.accumulatedMoments=e.slice(t,2*t).map(function(a){return{originalName:a.name,variable:a.tensor.variable(!1)}}),this.centered&&(this.accumulatedMeanGrads=e.slice(2*t,3*t).map(function(a){return{originalName:a.name,variable:a.tensor.variable(!1)}})),[2]}})})},r.prototype.getConfig=function(){return{learningRate:this.learningRate,decay:this.decay,momentum:this.momentum,epsilon:this.epsilon,centered:this.centered}},r.fromConfig=function(e,t){return new e(t.learningRate,t.decay,t.momentum,t.epsilon,t.centered)},r.className="RMSProp",r}(ea);Io(od);var ta=function(){function n(){}return n.sgd=function(r){return new Gu(r)},n.momentum=function(r,e,t){return t===void 0&&(t=!1),new 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vr={conv32_down:Ce,conv32_1:Ie,conv32_2:Ne,conv32_3:We,conv64_down:Ge,conv64_1:qe,conv64_2:it,conv64_3:yt,conv128_down:_t,conv128_1:Tt,conv128_2:Nt,conv256_down:At,conv256_1:gt,conv256_2:Ct,conv256_down_out:Wt,fc:sr};return{params:vr,paramMappings:K}}function da(O,w){var A=Sn(O,w);function P(ve){var fe=A(ve+"/scale/weights",1),Ce=A(ve+"/scale/biases",1);return{weights:fe,biases:Ce}}function K(ve){var fe=A(ve+"/conv/filters",4),Ce=A(ve+"/conv/bias",1),Ie=P(ve);return{conv:{filters:fe,bias:Ce},scale:Ie}}function oe(ve){return{conv1:K(ve+"/conv1"),conv2:K(ve+"/conv2")}}return{extractConvLayerParams:K,extractResidualLayerParams:oe}}function bn(O){var 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w.push({paramPath:Ie+"/filters"},{paramPath:Ie+"/batch_norm_scale"},{paramPath:Ie+"/batch_norm_offset"},{paramPath:Ie+"/batch_norm_mean"},{paramPath:Ie+"/batch_norm_variance"}),{filters:Ne,batch_norm_scale:We,batch_norm_offset:Ge,batch_norm_mean:qe,batch_norm_variance:it}}function P(Ce,Ie,Ne,We,Ge){var qe=z.K(O(Ce*Ie*Ne*Ne),[Ne,Ne,Ce,Ie]),it=z.H(O(Ie));return w.push({paramPath:We+"/filters"},{paramPath:We+"/"+(Ge?"batch_norm_offset":"bias")}),{filters:qe,bias:it}}function K(Ce,Ie,Ne,We){var Ge=P(Ce,Ie,Ne,We,!0),qe=Ge.filters,it=Ge.bias;return{filters:qe,batch_norm_offset:it}}function oe(Ce,Ie,Ne){var We=A(Ce,Ne+"/depthwise_conv"),Ge=K(Ce,Ie,1,Ne+"/pointwise_conv");return{depthwise_conv:We,pointwise_conv:Ge}}function ve(){var 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w=[],A=qn(O,w),P=A.extractMobilenetV1Params,K=A.extractPredictionLayerParams,oe=O["Output/extra_dim"];if(w.push({originalPath:"Output/extra_dim",paramPath:"output_layer/extra_dim"}),!De(oe))throw new Error("expected weightMap['Output/extra_dim'] to be a Tensor3D, instead have "+oe);var ve={mobilenetv1:P(),prediction_layer:K(),output_layer:{extra_dim:oe}};return yn(O,w),{params:ve,paramMappings:w}}function xr(O,w,A){return z.L(function(){var P=z.i(O,w.filters,A,"same");return P=z.c(P,w.batch_norm_offset),z.g(P,0,6)})}var un=.0010000000474974513;function xn(O,w,A){return z.L(function(){var P=z.j(O,w.filters,A,"same");return P=z.e(P,w.batch_norm_mean,w.batch_norm_variance,w.batch_norm_offset,w.batch_norm_scale,un),z.g(P,0,6)})}function Ur(O){return[2,4,6,12].some(function(w){return w===O})?[2,2]:[1,1]}function Dn(O,w){return z.L(function(){var 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oe,ve,fe,Ce,Ie,Ne,We,Ge,qe,it,yt,_t,Tt,Nt,At,gt,Ct,Wt,sr,vr,or,Gt,Ut,kr,lr,Xr,Yr,Rt,tn,ur=this;return Object(H.d)(this,function(_r){switch(_r.label){case 0:return oe=P.width,ve=P.height,fe=Math.max(oe,ve),Ce=fe/oe,Ie=fe/ve,Ne=A.shape[1],We=this.config.anchors.length,Ge=z.L(function(){var Un=A.reshape([Ne,Ne,We,ur.boxEncodingSize]),Rn=Un.slice([0,0,0,0],[Ne,Ne,We,4]),Ko=Un.slice([0,0,0,4],[Ne,Ne,We,1]),Wn=ur.withClassScores?z.D(Un.slice([0,0,0,5],[Ne,Ne,We,ur.config.classes.length]),3):z.y(0);return[Rn,Ko,Wn]}),qe=Ge[0],it=Ge[1],yt=Ge[2],_t=[],[4,it.array()];case 1:return Tt=_r.sent(),[4,qe.array()];case 2:Nt=_r.sent(),At=0,_r.label=3;case 3:if(!(At<Ne))return[3,12];gt=0,_r.label=4;case 4:if(!(gt<Ne))return[3,11];Ct=0,_r.label=5;case 5:return Ct<We?(Wt=nt(Tt[At][gt][Ct][0]),!K||Wt>K?(sr=(gt+nt(Nt[At][gt][Ct][0]))/Ne*Ce,vr=(At+nt(Nt[At][gt][Ct][1]))/Ne*Ie,or=Math.exp(Nt[At][gt][Ct][2])*this.config.anchors[Ct].x/Ne*Ce,Gt=Math.exp(Nt[At][gt][Ct][3])*this.config.anchors[Ct].y/Ne*Ie,Ut=sr-or/2,kr=vr-Gt/2,lr={row:At,col:gt,anchor:Ct},this.withClassScores?[4,this.extractPredictedClass(yt,lr)]:[3,7]):[3,9]):[3,10];case 6:return tn=_r.sent(),[3,8];case 7:tn={classScore:1,label:0},_r.label=8;case 8:Xr=tn,Yr=Xr.classScore,Rt=Xr.label,_t.push(Object(H.a)({box:new $e(Ut,kr,Ut+or,kr+Gt),score:Wt,classScore:Wt*Yr,label:Rt},lr)),_r.label=9;case 9:return Ct++,[3,5];case 10:return gt++,[3,4];case 11:return At++,[3,3];case 12:return qe.dispose(),it.dispose(),yt.dispose(),[2,_t]}})})},w.prototype.extractPredictedClass=function(A,P){return Object(H.b)(this,void 0,void 0,function(){var K,oe,ve,fe;return Object(H.d)(this,function(Ce){switch(Ce.label){case 0:return K=P.row,oe=P.col,ve=P.anchor,[4,A.array()];case 1:return 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B=this._key,Q=B.words,G=[],$=0;$<56;$++){var J=g[$]-1;G[$]=Q[J>>>5]>>>31-J%32&1}for(var U=this._subKeys=[],L=0;L<16;L++){for(var T=U[L]=[],ee=b[L],$=0;$<24;$++)T[$/6|0]|=G[(h[$]-1+ee)%28]<<31-$%6,T[4+($/6|0)]|=G[28+(h[$+24]-1+ee)%28]<<31-$%6;T[0]=T[0]<<1|T[0]>>>31;for(var $=1;$<7;$++)T[$]=T[$]>>>($-1)*4+3;T[7]=T[7]<<5|T[7]>>>27}for(var Z=this._invSubKeys=[],$=0;$<16;$++)Z[$]=U[15-$]},encryptBlock:function(B,Q){this._doCryptBlock(B,Q,this._subKeys)},decryptBlock:function(B,Q){this._doCryptBlock(B,Q,this._invSubKeys)},_doCryptBlock:function(B,Q,G){this._lBlock=B[Q],this._rBlock=B[Q+1],x.call(this,4,252645135),x.call(this,16,65535),S.call(this,2,858993459),S.call(this,8,16711935),x.call(this,1,1431655765);for(var $=0;$<16;$++){for(var J=G[$],U=this._lBlock,L=this._rBlock,T=0,ee=0;ee<8;ee++)T|=p[ee][((L^J[ee])&v[ee])>>>0];this._lBlock=L,this._rBlock=U^T}var Z=this._lBlock;this._lBlock=this._rBlock,this._rBlock=Z,x.call(this,1,1431655765),S.call(this,8,16711935),S.call(this,2,858993459),x.call(this,16,65535),x.call(this,4,252645135),B[Q]=this._lBlock,B[Q+1]=this._rBlock},keySize:64/32,ivSize:64/32,blockSize:64/32});function x(B,Q){var G=(this._lBlock>>>B^this._rBlock)&Q;this._rBlock^=G,this._lBlock^=G<<B}function S(B,Q){var G=(this._rBlock>>>B^this._lBlock)&Q;this._lBlock^=G,this._rBlock^=G<<B}d.DES=D._createHelper(I);var W=E.TripleDES=D.extend({_doReset:function(){var B=this._key,Q=B.words;if(Q.length!==2&&Q.length!==4&&Q.length<6)throw new Error("Invalid key length - 3DES requires the key length to be 64, 128, 192 or >192.");var G=Q.slice(0,2),$=Q.length<4?Q.slice(0,2):Q.slice(2,4),J=Q.length<6?Q.slice(0,2):Q.slice(4,6);this._des1=I.createEncryptor(M.create(G)),this._des2=I.createEncryptor(M.create($)),this._des3=I.createEncryptor(M.create(J))},encryptBlock:function(B,Q){this._des1.encryptBlock(B,Q),this._des2.decryptBlock(B,Q),this._des3.encryptBlock(B,Q)},decryptBlock:function(B,Q){this._des3.decryptBlock(B,Q),this._des2.encryptBlock(B,Q),this._des1.decryptBlock(B,Q)},keySize:192/32,ivSize:64/32,blockSize:64/32});d.TripleDES=D._createHelper(W)}(),y.TripleDES})},qBft:function(l,V,N){(function(y,d,F){l.exports=V=d(N("Ib8C"),N("OLod"))})(this,function(y){return y.pad.AnsiX923={pad:function(d,F){var M=d.sigBytes,D=F*4,E=D-M%D,g=M+E-1;d.clamp(),d.words[g>>>2]|=E<<24-g%4*8,d.sigBytes+=E},unpad:function(d){var F=d.words[d.sigBytes-1>>>2]&255;d.sigBytes-=F}},y.pad.Ansix923})},qM6L:function(l,V,N){(function(y,d){l.exports=V=d(N("Ib8C"))})(this,function(y){return function(){var d=y,F=d.lib,M=F.WordArray,D=d.enc,E=D.Utf16=D.Utf16BE={stringify:function(h){for(var b=h.words,p=h.sigBytes,v=[],I=0;I<p;I+=2){var x=b[I>>>2]>>>16-I%4*8&65535;v.push(String.fromCharCode(x))}return v.join("")},parse:function(h){for(var b=h.length,p=[],v=0;v<b;v++)p[v>>>1]|=h.charCodeAt(v)<<16-v%2*16;return M.create(p,b*2)}};D.Utf16LE={stringify:function(h){for(var b=h.words,p=h.sigBytes,v=[],I=0;I<p;I+=2){var x=g(b[I>>>2]>>>16-I%4*8&65535);v.push(String.fromCharCode(x))}return v.join("")},parse:function(h){for(var b=h.length,p=[],v=0;v<b;v++)p[v>>>1]|=g(h.charCodeAt(v)<<16-v%2*16);return M.create(p,b*2)}};function g(h){return h<<8&4278255360|h>>>8&16711935}}(),y.enc.Utf16})},qu8F:function(l,V,N){(function(y,d,F){l.exports=V=d(N("Ib8C"),N("OLod"))})(this,function(y){/** @preserve
* Counter block mode compatible with Dr Brian Gladman fileenc.c
* derived from CryptoJS.mode.CTR
* Jan Hruby jhruby.web@gmail.com
*/return y.mode.CTRGladman=function(){var d=y.lib.BlockCipherMode.extend();function F(E){if((E>>24&255)===255){var g=E>>16&255,h=E>>8&255,b=E&255;g===255?(g=0,h===255?(h=0,b===255?b=0:++b):++h):++g,E=0,E+=g<<16,E+=h<<8,E+=b}else E+=1<<24;return E}function M(E){return(E[0]=F(E[0]))===0&&(E[1]=F(E[1])),E}var D=d.Encryptor=d.extend({processBlock:function(E,g){var h=this._cipher,b=h.blockSize,p=this._iv,v=this._counter;p&&(v=this._counter=p.slice(0),this._iv=void 0),M(v);var I=v.slice(0);h.encryptBlock(I,0);for(var x=0;x<b;x++)E[g+x]^=I[x]}});return d.Decryptor=D,d}(),y.mode.CTRGladman})},rOjP:function(l,V,N){"use strict";N.d(V,"a",function(){return y});function y(d){var F="";if(!d)try{d=N("Og1z")}catch(D){F=D.toString()}var M=d?function(D){return new Promise(function(E,g){d.readFile(D,function(h,b){return h?g(h):E(b)})})}:function(){throw new Error("readFile - failed to require fs in nodejs environment with error: "+F)};return{readFile:M}}},uGsb:function(l,V,N){(function(y,d,F){l.exports=V=d(N("Ib8C"),N("MlIO"),N("1uat"))})(this,function(y){return function(){var d=y,F=d.x64,M=F.Word,D=F.WordArray,E=d.algo,g=E.SHA512,h=E.SHA384=g.extend({_doReset:function(){this._hash=new D.init([new M.init(3418070365,3238371032),new M.init(1654270250,914150663),new M.init(2438529370,812702999),new M.init(355462360,4144912697),new M.init(1731405415,4290775857),new M.init(2394180231,1750603025),new M.init(3675008525,1694076839),new M.init(1203062813,3204075428)])},_doFinalize:function(){var b=g._doFinalize.call(this);return b.sigBytes-=16,b}});d.SHA384=g._createHelper(h),d.HmacSHA384=g._createHmacHelper(h)}(),y.SHA384})},uGxW:function(l,V,N){(function(y,d,F){l.exports=V=d(N("Ib8C"),N("OLod"))})(this,function(y){return y.pad.NoPadding={pad:function(){},unpad:function(){}},y.pad.NoPadding})},w7YG:function(l,V,N){(function(y,d,F){l.exports=V=d(N("Ib8C"),N("ETIr"),N("cv67"),N("K3mO"),N("OLod"))})(this,function(y){return function(){var d=y,F=d.lib,M=F.StreamCipher,D=d.algo,E=D.RC4=M.extend({_doReset:function(){for(var b=this._key,p=b.words,v=b.sigBytes,I=this._S=[],x=0;x<256;x++)I[x]=x;for(var x=0,S=0;x<256;x++){var W=x%v,B=p[W>>>2]>>>24-W%4*8&255;S=(S+I[x]+B)%256;var Q=I[x];I[x]=I[S],I[S]=Q}this._i=this._j=0},_doProcessBlock:function(b,p){b[p]^=g.call(this)},keySize:256/32,ivSize:0});function g(){for(var b=this._S,p=this._i,v=this._j,I=0,x=0;x<4;x++){p=(p+1)%256,v=(v+b[p])%256;var S=b[p];b[p]=b[v],b[v]=S,I|=b[(b[p]+b[v])%256]<<24-x*8}return this._i=p,this._j=v,I}d.RC4=M._createHelper(E);var h=D.RC4Drop=E.extend({cfg:E.cfg.extend({drop:192}),_doReset:function(){E._doReset.call(this);for(var b=this.cfg.drop;b>0;b--)g.call(this)}});d.RC4Drop=M._createHelper(h)}(),y.RC4})},wZgz:function(l,V,N){(function(y,d,F){l.exports=V=d(N("Ib8C"),N("ETIr"),N("cv67"),N("K3mO"),N("OLod"))})(this,function(y){return function(){var d=y,F=d.lib,M=F.BlockCipher,D=d.algo,E=[],g=[],h=[],b=[],p=[],v=[],I=[],x=[],S=[],W=[];(function(){for(var G=[],$=0;$<256;$++)$<128?G[$]=$<<1:G[$]=$<<1^283;for(var J=0,U=0,$=0;$<256;$++){var L=U^U<<1^U<<2^U<<3^U<<4;L=L>>>8^L&255^99,E[J]=L,g[L]=J;var T=G[J],ee=G[T],Z=G[ee],_=G[L]*257^L*16843008;h[J]=_<<24|_>>>8,b[J]=_<<16|_>>>16,p[J]=_<<8|_>>>24,v[J]=_;var _=Z*16843009^ee*65537^T*257^J*16843008;I[L]=_<<24|_>>>8,x[L]=_<<16|_>>>16,S[L]=_<<8|_>>>24,W[L]=_,J?(J=T^G[G[G[Z^T]]],U^=G[G[U]]):J=U=1}})();var B=[0,1,2,4,8,16,32,64,128,27,54],Q=D.AES=M.extend({_doReset:function(){var G;if(this._nRounds&&this._keyPriorReset===this._key)return;for(var $=this._keyPriorReset=this._key,J=$.words,U=$.sigBytes/4,L=this._nRounds=U+6,T=(L+1)*4,ee=this._keySchedule=[],Z=0;Z<T;Z++)Z<U?ee[Z]=J[Z]:(G=ee[Z-1],Z%U?U>6&&Z%U==4&&(G=E[G>>>24]<<24|E[G>>>16&255]<<16|E[G>>>8&255]<<8|E[G&255]):(G=G<<8|G>>>24,G=E[G>>>24]<<24|E[G>>>16&255]<<16|E[G>>>8&255]<<8|E[G&255],G^=B[Z/U|0]<<24),ee[Z]=ee[Z-U]^G);for(var _=this._invKeySchedule=[],X=0;X<T;X++){var Z=T-X;if(X%4)var G=ee[Z];else var G=ee[Z-4];X<4||Z<=4?_[X]=G:_[X]=I[E[G>>>24]]^x[E[G>>>16&255]]^S[E[G>>>8&255]]^W[E[G&255]]}},encryptBlock:function(G,$){this._doCryptBlock(G,$,this._keySchedule,h,b,p,v,E)},decryptBlock:function(G,$){var J=G[$+1];G[$+1]=G[$+3],G[$+3]=J,this._doCryptBlock(G,$,this._invKeySchedule,I,x,S,W,g);var J=G[$+1];G[$+1]=G[$+3],G[$+3]=J},_doCryptBlock:function(G,$,J,U,L,T,ee,Z){for(var _=this._nRounds,X=G[$]^J[0],re=G[$+1]^J[1],me=G[$+2]^J[2],de=G[$+3]^J[3],we=4,ge=1;ge<_;ge++){var ke=U[X>>>24]^L[re>>>16&255]^T[me>>>8&255]^ee[de&255]^J[we++],z=U[re>>>24]^L[me>>>16&255]^T[de>>>8&255]^ee[X&255]^J[we++],ie=U[me>>>24]^L[de>>>16&255]^T[X>>>8&255]^ee[re&255]^J[we++],H=U[de>>>24]^L[X>>>16&255]^T[re>>>8&255]^ee[me&255]^J[we++];X=ke,re=z,me=ie,de=H}var ke=(Z[X>>>24]<<24|Z[re>>>16&255]<<16|Z[me>>>8&255]<<8|Z[de&255])^J[we++],z=(Z[re>>>24]<<24|Z[me>>>16&255]<<16|Z[de>>>8&255]<<8|Z[X&255])^J[we++],ie=(Z[me>>>24]<<24|Z[de>>>16&255]<<16|Z[X>>>8&255]<<8|Z[re&255])^J[we++],H=(Z[de>>>24]<<24|Z[X>>>16&255]<<16|Z[re>>>8&255]<<8|Z[me&255])^J[we++];G[$]=ke,G[$+1]=z,G[$+2]=ie,G[$+3]=H},keySize:256/32});d.AES=M._createHelper(Q)}(),y.AES})},wbyO:function(l,V,N){(function(y,d){l.exports=V=d(N("Ib8C"))})(this,function(y){return function(){var d=y,F=d.lib,M=F.WordArray,D=d.enc,E=D.Base64url={stringify:function(h,b=!0){var p=h.words,v=h.sigBytes,I=b?this._safe_map:this._map;h.clamp();for(var x=[],S=0;S<v;S+=3)for(var W=p[S>>>2]>>>24-S%4*8&255,B=p[S+1>>>2]>>>24-(S+1)%4*8&255,Q=p[S+2>>>2]>>>24-(S+2)%4*8&255,G=W<<16|B<<8|Q,$=0;$<4&&S+$*.75<v;$++)x.push(I.charAt(G>>>6*(3-$)&63));var J=I.charAt(64);if(J)for(;x.length%4;)x.push(J);return x.join("")},parse:function(h,b=!0){var p=h.length,v=b?this._safe_map:this._map,I=this._reverseMap;if(!I){I=this._reverseMap=[];for(var x=0;x<v.length;x++)I[v.charCodeAt(x)]=x}var S=v.charAt(64);if(S){var W=h.indexOf(S);W!==-1&&(p=W)}return g(h,p,I)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",_safe_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"};function g(h,b,p){for(var v=[],I=0,x=0;x<b;x++)if(x%4){var S=p[h.charCodeAt(x-1)]<<x%4*2,W=p[h.charCodeAt(x)]>>>6-x%4*2,B=S|W;v[I>>>2]|=B<<24-I%4*8,I++}return M.create(v,I)}}(),y.enc.Base64url})},yPBj:function(l,V,N){l.exports={flex_box_center:"flex_box_center___3-ehW",flex_space_between:"flex_space_between___1gePc",flex_box_vertical_center:"flex_box_vertical_center___2IxJA",flex_box_center_end:"flex_box_center_end___2Bh1H",flex_box_column:"flex_box_column___35awp",bg:"bg___CQ173",steps:"steps___upu0k",qrcode:"qrcode___25DP3"}}}]);
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