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m=this._hash.words,C=m[0],g=m[1],T=m[2],B=m[3],F=m[4],J=0;J<80;J++){if(J<16)v[J]=p[c+J]|0;else{var H=v[J-3]^v[J-8]^v[J-14]^v[J-16];v[J]=H<<1|H>>>31}var K=(C<<5|C>>>27)+F+v[J];J<20?K+=(g&T|~g&B)+1518500249:J<40?K+=(g^T^B)+1859775393:J<60?K+=(g&T|g&B|T&B)-1894007588:K+=(g^T^B)-899497514,F=B,B=T,T=g<<30|g>>>2,g=C,C=K}m[0]=m[0]+C|0,m[1]=m[1]+g|0,m[2]=m[2]+T|0,m[3]=m[3]+B|0,m[4]=m[4]+F|0},_doFinalize:function(){var p=this._data,c=p.words,m=this._nDataBytes*8,C=p.sigBytes*8;return c[C>>>5]|=128<<24-C%32,c[(C+64>>>9<<4)+14]=Math.floor(m/4294967296),c[(C+64>>>9<<4)+15]=m,p.sigBytes=c.length*4,this._process(),this._hash},clone:function(){var p=A.clone.call(this);return p._hash=this._hash.clone(),p}});l.SHA1=A._createHelper(h),l.HmacSHA1=A._createHmacHelper(h)}(),y.SHA1})},4:function(d,V){},5:function(d,V){},"5hvy":function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("MlIO"))})(this,function(y){return function(l){var 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F=C.words,J=F[0],H=F[1],K=(J<<8|J>>>24)&16711935|(J<<24|J>>>8)&4278255360,Y=(H<<8|H>>>24)&16711935|(H<<24|H>>>8)&4278255360,W=K>>>16|Y&4294901760,U=Y<<16|K&65535;B[0]^=K,B[1]^=W,B[2]^=Y,B[3]^=U,B[4]^=K,B[5]^=W,B[6]^=Y,B[7]^=U;for(var g=0;g<4;g++)c.call(this)}},_doProcessBlock:function(m,C){var g=this._X;c.call(this),x[0]=g[0]^g[5]>>>16^g[3]<<16,x[1]=g[2]^g[7]>>>16^g[5]<<16,x[2]=g[4]^g[1]>>>16^g[7]<<16,x[3]=g[6]^g[3]>>>16^g[1]<<16;for(var T=0;T<4;T++)x[T]=(x[T]<<8|x[T]>>>24)&16711935|(x[T]<<24|x[T]>>>8)&4278255360,m[C+T]^=x[T]},blockSize:128/32,ivSize:64/32});function c(){for(var m=this._X,C=this._C,g=0;g<8;g++)v[g]=C[g];C[0]=C[0]+1295307597+this._b|0,C[1]=C[1]+3545052371+(C[0]>>>0<v[0]>>>0?1:0)|0,C[2]=C[2]+886263092+(C[1]>>>0<v[1]>>>0?1:0)|0,C[3]=C[3]+1295307597+(C[2]>>>0<v[2]>>>0?1:0)|0,C[4]=C[4]+3545052371+(C[3]>>>0<v[3]>>>0?1:0)|0,C[5]=C[5]+886263092+(C[4]>>>0<v[4]>>>0?1:0)|0,C[6]=C[6]+1295307597+(C[5]>>>0<v[5]>>>0?1:0)|0,C[7]=C[7]+3545052371+(C[6]>>>0<v[6]>>>0?1:0)|0,this._b=C[7]>>>0<v[7]>>>0?1:0;for(var g=0;g<8;g++){var T=m[g]+C[g],B=T&65535,F=T>>>16,J=((B*B>>>17)+B*F>>>15)+F*F,H=((T&4294901760)*T|0)+((T&65535)*T|0);h[g]=J^H}m[0]=h[0]+(h[7]<<16|h[7]>>>16)+(h[6]<<16|h[6]>>>16)|0,m[1]=h[1]+(h[0]<<8|h[0]>>>24)+h[7]|0,m[2]=h[2]+(h[1]<<16|h[1]>>>16)+(h[0]<<16|h[0]>>>16)|0,m[3]=h[3]+(h[2]<<8|h[2]>>>24)+h[1]|0,m[4]=h[4]+(h[3]<<16|h[3]>>>16)+(h[2]<<16|h[2]>>>16)|0,m[5]=h[5]+(h[4]<<8|h[4]>>>24)+h[3]|0,m[6]=h[6]+(h[5]<<16|h[5]>>>16)+(h[4]<<16|h[4]>>>16)|0,m[7]=h[7]+(h[6]<<8|h[6]>>>24)+h[5]|0}l.Rabbit=D._createHelper(p)}(),y.Rabbit})},ELcG:function(d,V,O){(function(y,l){d.exports=V=l(O("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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c=0;c<h.length;c++){var m=h[p],C=h[c];if(this.modules[m][C]!=null)continue;for(var g=-2;g<=2;g++)for(var T=-2;T<=2;T++)g==-2||g==2||T==-2||T==2||g==0&&T==0?this.modules[m+g][C+T]=!0:this.modules[m+g][C+T]=!1}},v.setupTypeNumber=function(h){for(var p=D.getBCHTypeNumber(this.typeNumber),c=0;c<18;c++){var m=!h&&(p>>c&1)==1;this.modules[Math.floor(c/3)][c%3+this.moduleCount-8-3]=m}for(var c=0;c<18;c++){var m=!h&&(p>>c&1)==1;this.modules[c%3+this.moduleCount-8-3][Math.floor(c/3)]=m}},v.setupTypeInfo=function(h,p){for(var c=this.errorCorrectLevel<<3|p,m=D.getBCHTypeInfo(c),C=0;C<15;C++){var g=!h&&(m>>C&1)==1;C<6?this.modules[C][8]=g:C<8?this.modules[C+1][8]=g:this.modules[this.moduleCount-15+C][8]=g}for(var C=0;C<15;C++){var g=!h&&(m>>C&1)==1;C<8?this.modules[8][this.moduleCount-C-1]=g:C<9?this.modules[8][15-C-1+1]=g:this.modules[8][15-C-1]=g}this.modules[this.moduleCount-8][8]=!h},v.mapData=function(h,p){for(var c=-1,m=this.moduleCount-1,C=7,g=0,T=this.moduleCount-1;T>0;T-=2)for(T==6&&T--;;){for(var B=0;B<2;B++)if(this.modules[m][T-B]==null){var F=!1;g<h.length&&(F=(h[g]>>>C&1)==1);var J=D.getMask(p,m,T-B);J&&(F=!F),this.modules[m][T-B]=F,C--,C==-1&&(g++,C=7)}if(m+=c,m<0||this.moduleCount<=m){m-=c,c=-c;break}}},x.PAD0=236,x.PAD1=17,x.createData=function(h,p,c){for(var m=l.getRSBlocks(h,p),C=new M,g=0;g<c.length;g++){var T=c[g];C.put(T.mode,4),C.put(T.getLength(),D.getLengthInBits(T.mode,h)),T.write(C)}for(var B=0,g=0;g<m.length;g++)B+=m[g].dataCount;if(C.getLengthInBits()>B*8)throw new Error("code length overflow. ("+C.getLengthInBits()+">"+B*8+")");for(C.getLengthInBits()+4<=B*8&&C.put(0,4);C.getLengthInBits()%8!=0;)C.putBit(!1);for(;!(C.getLengthInBits()>=B*8);){if(C.put(x.PAD0,8),C.getLengthInBits()>=B*8)break;C.put(x.PAD1,8)}return x.createBytes(C,m)},x.createBytes=function(h,p){for(var c=0,m=0,C=0,g=new Array(p.length),T=new Array(p.length),B=0;B<p.length;B++){var F=p[B].dataCount,J=p[B].totalCount-F;m=Math.max(m,F),C=Math.max(C,J),g[B]=new Array(F);for(var H=0;H<g[B].length;H++)g[B][H]=255&h.buffer[H+c];c+=F;var K=D.getErrorCorrectPolynomial(J),Y=new A(g[B],K.getLength()-1),W=Y.mod(K);T[B]=new Array(K.getLength()-1);for(var H=0;H<T[B].length;H++){var U=H+W.getLength()-T[B].length;T[B][H]=U>=0?W.get(U):0}}for(var _=0,H=0;H<p.length;H++)_+=p[H].totalCount;for(var te=new Array(_),q=0,H=0;H<m;H++)for(var B=0;B<p.length;B++)H<g[B].length&&(te[q++]=g[B][H]);for(var H=0;H<C;H++)for(var B=0;B<p.length;B++)H<T[B].length&&(te[q++]=T[B][H]);return te},d.exports=x},IO3U:function(d,V,O){d.exports={wrp:"wrp___1U2de"}},Ib8C:function(d,V,O){(function(y){(function(l,M){d.exports=V=M()})(this,function(){var l=l||function(M,D){var A;if(typeof window!="undefined"&&window.crypto&&(A=window.crypto),typeof self!="undefined"&&self.crypto&&(A=self.crypto),typeof globalThis!="undefined"&&globalThis.crypto&&(A=globalThis.crypto),!A&&typeof window!="undefined"&&window.msCrypto&&(A=window.msCrypto),!A&&typeof y!="undefined"&&y.crypto&&(A=y.crypto),!A&&!0)try{A=O(4)}catch(K){}var x=function(){if(A){if(typeof A.getRandomValues=="function")try{return A.getRandomValues(new Uint32Array(1))[0]}catch(K){}if(typeof A.randomBytes=="function")try{return A.randomBytes(4).readInt32LE()}catch(K){}}throw new Error("Native crypto module could not be used to get secure random number.")},v=Object.create||function(){function K(){}return function(Y){var W;return K.prototype=Y,W=new K,K.prototype=null,W}}(),h={},p=h.lib={},c=p.Base=function(){return{extend:function(K){var Y=v(this);return K&&Y.mixIn(K),(!Y.hasOwnProperty("init")||this.init===Y.init)&&(Y.init=function(){Y.$super.init.apply(this,arguments)}),Y.init.prototype=Y,Y.$super=this,Y},create:function(){var K=this.extend();return K.init.apply(K,arguments),K},init:function(){},mixIn:function(K){for(var Y in K)K.hasOwnProperty(Y)&&(this[Y]=K[Y]);K.hasOwnProperty("toString")&&(this.toString=K.toString)},clone:function(){return this.init.prototype.extend(this)}}}(),m=p.WordArray=c.extend({init:function(K,Y){K=this.words=K||[],Y!=D?this.sigBytes=Y:this.sigBytes=K.length*4},toString:function(K){return(K||g).stringify(this)},concat:function(K){var Y=this.words,W=K.words,U=this.sigBytes,_=K.sigBytes;if(this.clamp(),U%4)for(var te=0;te<_;te++){var q=W[te>>>2]>>>24-te%4*8&255;Y[U+te>>>2]|=q<<24-(U+te)%4*8}else for(var w=0;w<_;w+=4)Y[U+w>>>2]=W[w>>>2];return this.sigBytes+=_,this},clamp:function(){var K=this.words,Y=this.sigBytes;K[Y>>>2]&=4294967295<<32-Y%4*8,K.length=M.ceil(Y/4)},clone:function(){var K=c.clone.call(this);return K.words=this.words.slice(0),K},random:function(K){for(var Y=[],W=0;W<K;W+=4)Y.push(x());return new m.init(Y,K)}}),C=h.enc={},g=C.Hex={stringify:function(K){for(var Y=K.words,W=K.sigBytes,U=[],_=0;_<W;_++){var te=Y[_>>>2]>>>24-_%4*8&255;U.push((te>>>4).toString(16)),U.push((te&15).toString(16))}return U.join("")},parse:function(K){for(var Y=K.length,W=[],U=0;U<Y;U+=2)W[U>>>3]|=parseInt(K.substr(U,2),16)<<24-U%8*4;return new m.init(W,Y/2)}},T=C.Latin1={stringify:function(K){for(var Y=K.words,W=K.sigBytes,U=[],_=0;_<W;_++){var te=Y[_>>>2]>>>24-_%4*8&255;U.push(String.fromCharCode(te))}return U.join("")},parse:function(K){for(var Y=K.length,W=[],U=0;U<Y;U++)W[U>>>2]|=(K.charCodeAt(U)&255)<<24-U%4*8;return new m.init(W,Y)}},B=C.Utf8={stringify:function(K){try{return decodeURIComponent(escape(T.stringify(K)))}catch(Y){throw new Error("Malformed UTF-8 data")}},parse:function(K){return T.parse(unescape(encodeURIComponent(K)))}},F=p.BufferedBlockAlgorithm=c.extend({reset:function(){this._data=new m.init,this._nDataBytes=0},_append:function(K){typeof K=="string"&&(K=B.parse(K)),this._data.concat(K),this._nDataBytes+=K.sigBytes},_process:function(K){var Y,W=this._data,U=W.words,_=W.sigBytes,te=this.blockSize,q=te*4,w=_/q;K?w=M.ceil(w):w=M.max((w|0)-this._minBufferSize,0);var X=w*te,ne=M.min(X*4,_);if(X){for(var he=0;he<X;he+=te)this._doProcessBlock(U,he);Y=U.splice(0,X),W.sigBytes-=ne}return new m.init(Y,ne)},clone:function(){var K=c.clone.call(this);return K._data=this._data.clone(),K},_minBufferSize:0}),J=p.Hasher=F.extend({cfg:c.extend(),init:function(K){this.cfg=this.cfg.extend(K),this.reset()},reset:function(){F.reset.call(this),this._doReset()},update:function(K){return this._append(K),this._process(),this},finalize:function(K){K&&this._append(K);var Y=this._doFinalize();return Y},blockSize:512/32,_createHelper:function(K){return function(Y,W){return new K.init(W).finalize(Y)}},_createHmacHelper:function(K){return function(Y,W){return new H.HMAC.init(K,W).finalize(Y)}}}),H=h.algo={};return h}(Math);return l})}).call(this,O("IyRk"))},Iq15:function(d,V,O){var y=O("nVVt"),l=O("dWSS"),M=O("dQei"),D={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},A={PATTERN_POSITION_TABLE:[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],G15:1<<10|1<<8|1<<5|1<<4|1<<2|1<<1|1<<0,G18:1<<12|1<<11|1<<10|1<<9|1<<8|1<<5|1<<2|1<<0,G15_MASK:1<<14|1<<12|1<<10|1<<4|1<<1,getBCHTypeInfo:function(x){for(var v=x<<10;A.getBCHDigit(v)-A.getBCHDigit(A.G15)>=0;)v^=A.G15<<A.getBCHDigit(v)-A.getBCHDigit(A.G15);return(x<<10|v)^A.G15_MASK},getBCHTypeNumber:function(x){for(var v=x<<12;A.getBCHDigit(v)-A.getBCHDigit(A.G18)>=0;)v^=A.G18<<A.getBCHDigit(v)-A.getBCHDigit(A.G18);return x<<12|v},getBCHDigit:function(x){for(var v=0;x!=0;)v++,x>>>=1;return v},getPatternPosition:function(x){return A.PATTERN_POSITION_TABLE[x-1]},getMask:function(x,v,h){switch(x){case D.PATTERN000:return(v+h)%2==0;case D.PATTERN001:return v%2==0;case D.PATTERN010:return h%3==0;case D.PATTERN011:return(v+h)%3==0;case D.PATTERN100:return(Math.floor(v/2)+Math.floor(h/3))%2==0;case D.PATTERN101:return v*h%2+v*h%3==0;case D.PATTERN110:return(v*h%2+v*h%3)%2==0;case D.PATTERN111:return(v*h%3+(v+h)%2)%2==0;default:throw new Error("bad maskPattern:"+x)}},getErrorCorrectPolynomial:function(x){for(var v=new l([1],0),h=0;h<x;h++)v=v.multiply(new l([1,M.gexp(h)],0));return v},getLengthInBits:function(x,v){if(1<=v&&v<10)switch(x){case y.MODE_NUMBER:return 10;case y.MODE_ALPHA_NUM:return 9;case y.MODE_8BIT_BYTE:return 8;case y.MODE_KANJI:return 8;default:throw new Error("mode:"+x)}else if(v<27)switch(x){case y.MODE_NUMBER:return 12;case y.MODE_ALPHA_NUM:return 11;case y.MODE_8BIT_BYTE:return 16;case y.MODE_KANJI:return 10;default:throw new Error("mode:"+x)}else if(v<41)switch(x){case y.MODE_NUMBER:return 14;case y.MODE_ALPHA_NUM:return 13;case y.MODE_8BIT_BYTE:return 16;case y.MODE_KANJI:return 12;default:throw new Error("mode:"+x)}else throw new Error("type:"+v)},getLostPoint:function(x){for(var v=x.getModuleCount(),h=0,p=0;p<v;p++)for(var c=0;c<v;c++){for(var m=0,C=x.isDark(p,c),g=-1;g<=1;g++){if(p+g<0||v<=p+g)continue;for(var T=-1;T<=1;T++){if(c+T<0||v<=c+T)continue;if(g==0&&T==0)continue;C==x.isDark(p+g,c+T)&&m++}}m>5&&(h+=3+m-5)}for(var p=0;p<v-1;p++)for(var c=0;c<v-1;c++){var B=0;x.isDark(p,c)&&B++,x.isDark(p+1,c)&&B++,x.isDark(p,c+1)&&B++,x.isDark(p+1,c+1)&&B++,(B==0||B==4)&&(h+=3)}for(var p=0;p<v;p++)for(var c=0;c<v-6;c++)x.isDark(p,c)&&!x.isDark(p,c+1)&&x.isDark(p,c+2)&&x.isDark(p,c+3)&&x.isDark(p,c+4)&&!x.isDark(p,c+5)&&x.isDark(p,c+6)&&(h+=40);for(var c=0;c<v;c++)for(var p=0;p<v-6;p++)x.isDark(p,c)&&!x.isDark(p+1,c)&&x.isDark(p+2,c)&&x.isDark(p+3,c)&&x.isDark(p+4,c)&&!x.isDark(p+5,c)&&x.isDark(p+6,c)&&(h+=40);for(var F=0,c=0;c<v;c++)for(var p=0;p<v;p++)x.isDark(p,c)&&F++;var J=Math.abs(100*F/v/v-50)/5;return h+=J*10,h}};d.exports=A},K3mO:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("3y9D"),O("WYAk"))})(this,function(y){return function(){var l=y,M=l.lib,D=M.Base,A=M.WordArray,x=l.algo,v=x.MD5,h=x.EvpKDF=D.extend({cfg:D.extend({keySize:128/32,hasher:v,iterations:1}),init:function(p){this.cfg=this.cfg.extend(p)},compute:function(p,c){for(var m,C=this.cfg,g=C.hasher.create(),T=A.create(),B=T.words,F=C.keySize,J=C.iterations;B.length<F;){m&&g.update(m),m=g.update(p).finalize(c),g.reset();for(var H=1;H<J;H++)m=g.finalize(m),g.reset();T.concat(m)}return T.sigBytes=F*4,T}});l.EvpKDF=function(p,c,m){return h.create(m).compute(p,c)}}(),y.EvpKDF})},KhGG:function(d,V,O){"use strict";O.d(V,"a",function(){return _}),O.d(V,"c",function(){return w});var y=O("0Owb"),l=O("miYZ"),M=O("tsqr"),D=O("oBTY"),A=O("tJVT"),x=O("PpiC"),v=O("k1fw"),h=O("9og8"),p=O("DZo9"),c=O("8z0m"),m=O("WmNS"),C=O.n(m),g=O("q1tI"),T=O.n(g),B=O("ErOA"),F=O("NFKh"),J=O.n(F),H=O("7Cbv"),K=O("9kvl"),Y=O("mxV5"),W=O.n(Y),U=c.a.Dragger,_=function(he){var le="bf3c199c2470cb477d907b1e0917c17b",_e="5183666c72eec9e4",se=J.a.enc.Utf8.parse(le),be=J.a.enc.Utf8.parse(_e),j=J.a.AES.decrypt(he,se,{iv:be,mode:J.a.mode.CBC});return j.toString(J.a.enc.Utf8)},te,q=function(){var ne=Object(h.a)(C.a.mark(function he(le){var _e,se,be,j,Q,L,re,de,ee,xe,Ne;return C.a.wrap(function(Ge){for(;;)switch(Ge.prev=Ge.next){case 0:return re=le.identifier,de=le.oldFilename,ee=le.newFilename,Ge.next=3,Object(B.a)("/api/buckets/get_upload_token_for_big_files.json",{method:"get"});case 3:return xe=Ge.sent,xe.data=JSON.parse(_(xe.data)),Ne=new W.a({endpoint:xe==null||((_e=xe.data)===null||_e===void 0)?void 0:_e.end_point,region:xe==null||((se=xe.data)===null||se===void 0)?void 0:se.region,accessKeyId:xe==null||((be=xe.data)===null||be===void 0)?void 0:be.access_key_id,accessKeySecret:xe==null||((j=xe.data)===null||j===void 0)?void 0:j.access_key_secret,bucket:xe==null||((Q=xe.data)===null||Q===void 0)?void 0:Q.bucket,stsToken:xe==null||((L=xe.data)===null||L===void 0)?void 0:L.security_token}),Ge.abrupt("return",new Promise(function(Qe,Te){console.log(11111,"".concat(re,"/").concat(de),"".concat(re,"/").concat(ee),xe.data),Ne.copy("/".concat(re,"/").concat(de),"/".concat(re,"/").concat(ee)).then(function(nt){console.log("\u62F7\u8D1D\u6210\u529F",nt)}).catch(function(nt){console.log(nt)})}));case 7:case"end":return Ge.stop()}},he)}));return function(le){return ne.apply(this,arguments)}}(),w=function(){var ne=Object(h.a)(C.a.mark(function he(le,_e,se){var 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this.throwIfDisposed(),et.ceil(this)},n.prototype.floor=function(){return this.throwIfDisposed(),et.floor(this)},n.prototype.sign=function(){return this.throwIfDisposed(),et.sign(this)},n.prototype.isNaN=function(){return this.throwIfDisposed(),et.isNaN(this)},n.prototype.isInf=function(){return this.throwIfDisposed(),et.isInf(this)},n.prototype.isFinite=function(){return this.throwIfDisposed(),et.isFinite(this)},n.prototype.exp=function(){return this.throwIfDisposed(),et.exp(this)},n.prototype.expm1=function(){return this.throwIfDisposed(),et.expm1(this)},n.prototype.log=function(){return this.throwIfDisposed(),et.log(this)},n.prototype.log1p=function(){return this.throwIfDisposed(),et.log1p(this)},n.prototype.sqrt=function(){return this.throwIfDisposed(),et.sqrt(this)},n.prototype.rsqrt=function(){return this.throwIfDisposed(),et.rsqrt(this)},n.prototype.square=function(){return this.throwIfDisposed(),et.square(this)},n.prototype.reciprocal=function(){return 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this.throwIfDisposed(),et.zerosLike(this)},n.prototype.onesLike=function(){return this.throwIfDisposed(),et.onesLike(this)},n.prototype.sin=function(){return this.throwIfDisposed(),et.sin(this)},n.prototype.cos=function(){return this.throwIfDisposed(),et.cos(this)},n.prototype.tan=function(){return this.throwIfDisposed(),et.tan(this)},n.prototype.asin=function(){return this.throwIfDisposed(),et.asin(this)},n.prototype.acos=function(){return this.throwIfDisposed(),et.acos(this)},n.prototype.atan=function(){return this.throwIfDisposed(),et.atan(this)},n.prototype.sinh=function(){return this.throwIfDisposed(),et.sinh(this)},n.prototype.cosh=function(){return this.throwIfDisposed(),et.cosh(this)},n.prototype.tanh=function(){return this.throwIfDisposed(),et.tanh(this)},n.prototype.asinh=function(){return this.throwIfDisposed(),et.asinh(this)},n.prototype.acosh=function(){return this.throwIfDisposed(),et.acosh(this)},n.prototype.atanh=function(){return 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this.throwIfDisposed(),et.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(),et.unsortedSegmentSum(this,r,e)},n.prototype.batchToSpaceND=function(r,e){return this.throwIfDisposed(),et.batchToSpaceND(this,r,e)},n.prototype.spaceToBatchND=function(r,e){return this.throwIfDisposed(),et.spaceToBatchND(this,r,e)},n.prototype.topk=function(r,e){return r===void 0&&(r=1),e===void 0&&(e=!0),this.throwIfDisposed(),et.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(),et.stridedSlice(this,r,e,t,o,a,i,s,u)},n.prototype.depthToSpace=function(r,e){return this.throwIfDisposed(),et.depthToSpace(this,r,e)},n.prototype.fft=function(){return 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match");Ar().disposeTensor(this),this.dataId=e.dataId,Ar().incRef(this,null)},r.prototype.dispose=function(){Ar().disposeVariable(this),this.isDisposedInternal=!0},r}(Nr);Object.defineProperty(_n,Symbol.hasInstance,{value:function(n){return n instanceof Nr&&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"}(No||(No={})),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){w(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 Nr)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 x(this,void 0,void 0,function(){var r,e,t;return v(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 x(this,void 0,void 0,function(){var e,t,o;return v(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 xt(this.backendInstance),[2,!0]}})})},n.prototype.setupRegisteredKernels=function(){var r=this;F(this.backendName).forEach(function(e){e.setupFunc!=null&&e.setupFunc(r.backendInstance)})},n.prototype.disposeRegisteredKernels=function(r){var e=this;F(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 E=[],I=this.isTapeOn();o==null&&(o=this.state.activeScope!=null?this.state.activeScope.name:"");var P,G=function(ye){I&&(E=ye.map(function(we){return f.keep(f.clone(we))}))},oe=this.state.numBytes,ue=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);var ie,ce=T(o,this.backendName);return P=ce!=null?function(){var ye=f.backend.numDataIds();ie=ce.kernelFunc({inputs:e,attrs:a,backend:f.backend});var we=Array.isArray(ie)?ie:[ie];f.shouldCheckForMemLeaks()&&f.checkKernelForMemLeak(o,ye,we);var Ee=we.map(function(Me){var He=Me.dataId,Fe=Me.shape,je=Me.dtype;return f.makeTensorFromDataId(He,Fe,je)}),Se=Ee.filter(function(Me,He){return s[He]});return G((i||[]).slice().concat(Se)),Ee}:function(){var ye=f.backend.numDataIds();ie=f.tidy(function(){return r(f.backend,G)});var we=Array.isArray(ie)?ie:[ie];return f.shouldCheckForMemLeaks()&&f.checkKernelForMemLeak(o,ye,we),we},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 P()}):P()}),I&&this.addTapeNode(o,e,u,t,E),this.state.profiling&&this.state.activeProfile.kernels.push({name:o,bytesAdded:this.state.numBytes-oe,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-ue,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(e).map(function(ye){return e[ye].shape}),outputShapes:u.map(function(ye){return ye.shape})}),Array.isArray(ie)?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(E){return Xe(E)}));var i=o.write(a,e,t),s=new Nr(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 Nr(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*nt(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 x(this,void 0,void 0,function(){var e,t;return v(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=B(r);u!=null&&(o=u.gradFunc),o!=null&&(s.gradient=function(f){return f=f.map(function(E,I){if(E==null){var P=t[I],G=$(P.size,P.dtype);return i.makeTensor(G,P.shape,P.dtype)}return E}),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),w(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)});w(i instanceof Nr,function(){return"The result y returned by f() must be a tensor."});var s=function(u,f,E){for(var I={},P={},G=0;G<f.length;G++)I[f[G].id]=!0;for(G=0;G<u.length;G++){var oe=(Me=u[G]).inputs;for(var ue in oe){for(var ie=oe[ue],ce=!1,ye=0;ye<f.length;ye++)if(I[ie.id]){Me.outputs.forEach(function(Ue){return I[Ue.id]=!0}),ce=!0,P[Me.id]=!0;break}if(ce)break}}var we={};we[E.id]=!0;var Ee={};for(G=u.length-1;G>=0;G--)for(oe=(Me=u[G]).inputs,ye=0;ye<Me.outputs.length;ye++)if(we[Me.outputs[ye].id]){for(var ue in oe)we[oe[ue].id]=!0,Ee[Me.id]=!0;break}var Se=[];for(G=0;G<u.length;G++){var Me;if(P[(Me=u[G]).id]&&Ee[Me.id]){var He={};for(var ue in Me.inputs){var Fe=Me.inputs[ue];I[Fe.id]&&(He[ue]=Fe)}var je=Object.assign({},Me);je.inputs=He,je.outputs=Me.outputs,Se.push(je)}}return Se}(this.state.activeTape,e,i);if(!o&&s.length===0&&e.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",function(){var u,f,E={};E[i.id]=t==null?(u=i.shape,f=k(le(u),"float32"),Ve.makeTensor(f,u,"float32")):t,function(P,G,oe){for(var ue=function(ce){var ye=G[ce],we=[];if(ye.outputs.forEach(function(He){var Fe=P[He.id];Fe!=null?we.push(Fe):we.push(null)}),ye.gradient==null)throw new Error("Cannot compute gradient: gradient function not found for "+ye.kernelName+".");var Ee=ye.gradient(we),Se=function(He){if(!(He in Ee))throw new Error("Cannot backprop through input "+He+". Available gradients found: "+Object.keys(Ee)+".");var Fe=oe(function(){return Ee[He]()});if(Fe.dtype!=="float32")throw new Error("Error in gradient for op "+ye.kernelName+". The gradient of input "+He+" must have 'float32' dtype, but has '"+Fe.dtype+"'");var je=ye.inputs[He];if(!_e(Fe.shape,je.shape))throw new Error("Error in gradient for op "+ye.kernelName+". The gradient of input '"+He+"' has shape '"+Fe.shape+"', which does not match the shape of the input '"+je.shape+"'");if(P[je.id]==null)P[je.id]=Fe;else{var Ue=P[je.id];P[je.id]=Ue.add(Fe),Ue.dispose()}};for(var Me in ye.inputs)Se(Me)},ie=G.length-1;ie>=0;ie--)ue(ie)}(E,s,function(P){return a.tidy(P)});var I=e.map(function(P){return E[P.id]});return a.state.gradientDepth===0&&(a.state.activeTape.forEach(function(P){for(var G=0,oe=P.saved;G<oe.length;G++)oe[G].dispose()}),a.state.activeTape=null),{value:i,grads:I}})},n.prototype.customGrad=function(r){var e=this;return w(ve(r),function(){return"The f passed in customGrad(f) must be a function."}),function(){for(var t,o=[],a=0;a<arguments.length;a++)o[a]=arguments[a];w(o.every(function(s){return s instanceof Nr}),function(){return"The args passed in customGrad(f)(x1, x2,...) must all be tensors"});var i={};return o.forEach(function(s,u){i[u]=s}),e.runKernelFunc(function(s,u){return w((t=r.apply(void 0,o.concat([u]))).value instanceof Nr,function(){return"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"}),w(ve(t.gradFunc),function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."}),t.value},i,function(s,u){var f=t.gradFunc(s,u),E=Array.isArray(f)?f:[f];w(E.length===o.length,function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...)."}),w(E.every(function(P){return P instanceof Nr}),function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors."});var I={};return E.forEach(function(P,G){I[G]=function(){return P}}),I})}},n.prototype.readSync=function(r){return this.state.tensorInfo.get(r).backend.readSync(r)},n.prototype.read=function(r){return this.state.tensorInfo.get(r).backend.read(r)},n.prototype.time=function(r){return x(this,void 0,void 0,function(){var e,t;return v(this,function(o){switch(o.label){case 0:return e=Re(),[4,this.backend.time(r)];case 1:return(t=o.sent()).wallMs=Re()-e,[2,t]}})})},n.prototype.track=function(r){return this.state.activeScope!=null&&(r.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(r)),r},Object.defineProperty(n.prototype,"registeredVariables",{get:function(){return this.state.registeredVariables},enumerable:!0,configurable:!0}),n.prototype.reset=function(){for(var r in this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new Wa,this.registry)this.disposeRegisteredKernels(r),this.registry[r].dispose(),delete this.registry[r];this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null},n.nextTensorId=0,n.nextVariableId=0,n}(),Ve=function(){var n=function(){if(ko==null){var e=void 0;if(typeof window!="undefined")e=window;else if(typeof y!="undefined")e=y;else if(typeof l!="undefined")e=l;else{if(typeof self=="undefined")throw new Error("Could not find a global object");e=self}ko=e}return ko}();if(n._tfengine==null){var r=new h(n);n._tfengine=new Si(r)}return function(e){m=e}(n._tfengine.ENV),Ar=function(){return n._tfengine},n._tfengine}();function Ha(){return typeof window!="undefined"&&window.document!=null||typeof WorkerGlobalScope!="undefined"}var Cn=c();Cn.registerFlag("DEBUG",function(){return!1},function(n){n&&console.warn("Debugging mode is ON. 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        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 c().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 R(n,r,e){e===void 0&&(e="index");var t=$e(r);return t.map(function(o,a){return"int "+n[a]+" = "+e+" / "+o+"; "+(a===t.length-1?"int "+n[a+1]+" = "+e+" - "+n[a]+" * "+o:"index -= "+n[a]+" * "+o)+";"}).join("")}function b(n){var r=$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 S=`
  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 N(n,r,e,t){var o=[];n.forEach(function(G){var oe=le(G.shapeInfo.logicalShape);G.shapeInfo.isUniform?o.push("uniform float "+G.name+(oe>1?"["+oe+"]":"")+";"):(o.push("uniform sampler2D "+G.name+";"),o.push("uniform int offset"+G.name+";"))});var a,i,s=o.join(`
`),u=n.map(function(G){return function(oe,ue,ie){ie===void 0&&(ie=!1);var ce="";ce+=ie?ae(oe):z(oe);var ye=oe.shapeInfo.logicalShape,we=ue.logicalShape;return ye.length<=we.length&&(ce+=ie?function(Ee,Se){var Me,He=Ee.name,Fe=He.charAt(0).toUpperCase()+He.slice(1),je="get"+Fe+"AtOutCoords",Ue=Ee.shapeInfo.logicalShape.length,Ze=Se.logicalShape.length,Je=En(Ee.shapeInfo.logicalShape,Se.logicalShape),dt=ze(Ze),ct=Ze-Ue,st=["x","y","z","w","u","v"];Me=Ue===0?"":Ze<2&&Je.length>=1?"coords = 0;":Je.map(function(Mt){return"coords."+st[Mt+ct]+" = 0;"}).join(`
`);var pt="";pt=Ze<2&&Ue>0?"coords":Ee.shapeInfo.logicalShape.map(function(Mt,Pt){return"coords."+st[Pt+ct]}).join(", ");var ht="return outputValue;",ut=le(Ee.shapeInfo.logicalShape)===1,gt=le(Se.logicalShape)===1;if(Ue!==1||ut||gt){if(ut&&!gt)ht=Ze===1?`
        return vec4(outputValue.x, outputValue.x, 0., 0.);
      `:`
        return vec4(outputValue.x);
      `;else if(Je.length){var yt=Ue-2,Ot=Ue-1;Je.indexOf(yt)>-1&&Je.indexOf(Ot)>-1?ht="return vec4(outputValue.x);":Je.indexOf(yt)>-1?ht="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":Je.indexOf(Ot)>-1&&(ht="return vec4(outputValue.xx, outputValue.zz);")}}else ht=`
      return vec4(outputValue.xy, outputValue.xy);
    `;return`
    vec4 `+je+`() {
      `+dt+` coords = getOutputCoords();
      `+Me+`
      vec4 outputValue = get`+Fe+"("+pt+`);
      `+ht+`
    }
  `}(oe,ue):function(Ee,Se){var Me=Ee.name,He=Me.charAt(0).toUpperCase()+Me.slice(1),Fe="get"+He+"AtOutCoords",je=Se.texShape,Ue=Ee.shapeInfo.texShape,Ze=Ee.shapeInfo.logicalShape.length,Je=Se.logicalShape.length;if(!Ee.shapeInfo.isUniform&&Ze===Je&&Ee.shapeInfo.flatOffset==null&&_e(Ue,je))return`
      float `+Fe+`() {
        return sampleTexture(`+Me+`, resultUV);
      }
    `;var dt,ct=ze(Je),st=En(Ee.shapeInfo.logicalShape,Se.logicalShape),pt=Je-Ze,ht=["x","y","z","w","u","v"];dt=Ze===0?"":Je<2&&st.length>=1?"coords = 0;":st.map(function(gt){return"coords."+ht[gt+pt]+" = 0;"}).join(`
`);var ut="";return ut=Je<2&&Ze>0?"coords":Ee.shapeInfo.logicalShape.map(function(gt,yt){return"coords."+ht[yt+pt]}).join(", "),`
    float `+Fe+`() {
      `+ct+` coords = getOutputCoords();
      `+dt+`
      return get`+He+"("+ut+`);
    }
  `}(oe,ue)),ce}(G,r,t)}).join(`
`),f=r.texShape,E=Kr(),I=function(G){return`
    float sampleTexture(sampler2D textureSampler, vec2 uv) {
      return `+G.texture2D+`(textureSampler, uv).r;
    }
  `}(E),P=function(G){return G.version+`
    precision highp float;
    precision highp int;
    precision highp sampler2D;
    `+G.varyingFs+` vec2 resultUV;
    `+G.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;
    `+G.defineSpecialNaN+`
    `+G.defineSpecialInf+`
    `+G.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);
    }

    `+me+`
    `+fe+`
    `+Ce+`
  `}(E);return r.isPacked?(a=function(G,oe){switch(G.length){case 0:return`
    int getOutputCoords() {
      return 0;
    }
  `;case 1:return function(Ee,Se){var Me=[Math.ceil(Se[0]/2),Math.ceil(Se[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,oe);case 2:return function(Ee,Se){var Me=[Math.ceil(Se[0]/2),Math.ceil(Se[1]/2)];if(_e(Ee,Se))return`
      ivec2 getOutputCoords() {
        return 2 * ivec2(resultUV.yx * vec2(`+Me[0]+", "+Me[1]+`));
      }
    `;var He=Math.ceil(Ee[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);
    }
  `}(G,oe);case 3:return ue=G,ie=oe,ce=[Math.ceil(ie[0]/2),Math.ceil(ie[1]/2)],ye=Math.ceil(ue[2]/2),we=ye*Math.ceil(ue[1]/2),`
    ivec3 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(`+ce[0]+", "+ce[1]+`));
      int index = resTexRC.x * `+ce[1]+` + resTexRC.y;

      int b = index / `+we+`;
      index -= b * `+we+`;

      int r = 2 * (index / `+ye+`);
      int c = imod(index, `+ye+`) * 2;

      return ivec3(b, r, c);
    }
  `;default:return function(Ee,Se){for(var Me=[Math.ceil(Se[0]/2),Math.ceil(Se[1]/2)],He=Math.ceil(Ee[Ee.length-1]/2),Fe=He*Math.ceil(Ee[Ee.length-2]/2),je=Fe,Ue="",Ze="b, r, c",Je=2;Je<Ee.length-1;Je++)je*=Ee[Ee.length-Je-1],Ue=`
      int b`+Je+" = index / "+je+`;
      index -= b`+Je+" * "+je+`;
    `+Ue,Ze="b"+Je+", "+Ze;return`
    ivec`+Ee.length+` getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(`+Me[0]+", "+Me[1]+`));
      int index = resTexRC.x * `+Me[1]+` + resTexRC.y;

      `+Ue+`

      int b = index / `+Fe+`;
      index -= b * `+Fe+`;

      int r = 2 * (index / `+He+`);
      int c = imod(index, `+He+`) * 2;

      return ivec`+Ee.length+"("+Ze+`);
    }
  `}(G,oe)}var ue,ie,ce,ye,we}(r.logicalShape,f),i=function(G){return`
    void setOutput(vec4 val) {
      `+G.output+` = val;
    }
  `}(E)):(a=function(G,oe){switch(G.length){case 0:return`
    int getOutputCoords() {
      return 0;
    }
  `;case 1:return function(ce,ye){return ye[0]===1?`
      int getOutputCoords() {
        return int(resultUV.x * `+ye[1]+`.0);
      }
    `:ye[1]===1?`
      int getOutputCoords() {
        return int(resultUV.y * `+ye[0]+`.0);
      }
    `:`
    int getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(`+ye[0]+", "+ye[1]+`));
      return resTexRC.x * `+ye[1]+` + resTexRC.y;
    }
  `}(0,oe);case 2:return function(ce,ye){return _e(ce,ye)?`
      ivec2 getOutputCoords() {
        return ivec2(resultUV.yx * vec2(`+ye[0]+", "+ye[1]+`));
      }
    `:ce[1]===1?`
      ivec2 getOutputCoords() {
        ivec2 resTexRC = ivec2(resultUV.yx *
                               vec2(`+ye[0]+", "+ye[1]+`));
        int index = resTexRC.x * `+ye[1]+` + resTexRC.y;
        return ivec2(index, 0);
      }
    `:ce[0]===1?`
      ivec2 getOutputCoords() {
        ivec2 resTexRC = ivec2(resultUV.yx *
                               vec2(`+ye[0]+", "+ye[1]+`));
        int index = resTexRC.x * `+ye[1]+` + resTexRC.y;
        return ivec2(0, index);
      }
    `:`
    ivec2 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(`+ye[0]+", "+ye[1]+`));
      int index = resTexRC.x * `+ye[1]+` + resTexRC.y;
      int r = index / `+ce[1]+`;
      int c = index - r * `+ce[1]+`;
      return ivec2(r, c);
    }
  `}(G,oe);case 3:return ue=oe,ie=R(["r","c","d"],G),`
    ivec3 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
                             vec2(`+ue[0]+", "+ue[1]+`));
      int index = resTexRC.x * `+ue[1]+` + resTexRC.y;
      `+ie+`
      return ivec3(r, c, d);
    }
  `;case 4:return function(ce,ye){var we=R(["r","c","d","d2"],ce);return`
    ivec4 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
        vec2(`+ye[0]+", "+ye[1]+`));
      int index = resTexRC.x * `+ye[1]+` + resTexRC.y;
      `+we+`
      return ivec4(r, c, d, d2);
    }
  `}(G,oe);case 5:return function(ce,ye){var we=R(["r","c","d","d2","d3"],ce);return`
    ivec5 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx * vec2(`+ye[0]+`,
                             `+ye[1]+`));

      int index = resTexRC.x * `+ye[1]+` + resTexRC.y;

      `+we+`

      ivec5 outShape = ivec5(r, c, d, d2, d3);
      return outShape;
    }
  `}(G,oe);case 6:return function(ce,ye){var we=R(["r","c","d","d2","d3","d4"],ce);return`
    ivec6 getOutputCoords() {
      ivec2 resTexRC = ivec2(resultUV.yx *
        vec2(`+ye[0]+", "+ye[1]+`));
      int index = resTexRC.x * `+ye[1]+` + resTexRC.y;

      `+we+`

      ivec6 result = ivec6(r, c, d, d2, d3, d4);
      return result;
    }
  `}(G,oe);default:throw new Error(G.length+"-D output sampling is not yet supported")}var ue,ie}(r.logicalShape,f),i=function(G){return`
    void setOutput(float val) {
      `+G.output+` = vec4(val, 0, 0, 0);
    }
  `}(E)),t&&(P+=Ie),[P,I,i,s,a,u,e].join(`
`)}function z(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],E=u[1],I=De(t);return`
    float `+o+`() {
      vec2 uv = uvFromFlat(`+f+", "+E+", "+I+`);
      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=De(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&&_e(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=ee(t),E=f.newShape,I=f.keptDims,P=E;if(P.length<t.length){var G=qe(e,P);return`
      `+z(G)+`
      float `+a+`(int row, int col) {
        return `+a+"("+it(["row","col"],I)+`);
      }
    `}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 oe=i[0],ue=i[1],ie=De(o);return ue===1?`
    float `+a+`(int row, int col) {
      float index = dot(vec3(row, col, `+ie+"), vec3("+t[1]+`, 1, 1));
      vec2 uv = vec2(0.5, (index + 0.5) / `+oe+`.0);
      return sampleTexture(`+o+`, uv);
    }
  `:oe===1?`
    float `+a+`(int row, int col) {
      float index = dot(vec3(row, col, `+ie+"), vec3("+t[1]+`, 1, 1));
      vec2 uv = vec2((index + 0.5) / `+ue+`.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 + "+ie+`;
    vec2 uv = uvFromFlat(`+oe+", "+ue+`, 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=ee(t),f=u.newShape,E=u.keptDims,I=f;if(I.length<t.length){var P=qe(e,I);return`
        `+z(P)+`
        float `+a+`(int row, int col, int depth) {
          return `+a+"("+it(["row","col","depth"],E)+`);
        }
      `}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 G=e.shapeInfo.texShape,oe=G[0],ue=G[1],ie=e.shapeInfo.flatOffset;if(ue===i&&ie==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(`+ue+".0, "+oe+`.0);
          return sampleTexture(`+o+`, uv);
        }
      `;if(ue===s&&ie==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(`+ue+".0, "+oe+`.0);
      return sampleTexture(`+o+`, uv);
    }
  `;var ce=De(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 + "+ce+`;
        vec2 uv = uvFromFlat(`+oe+", "+ue+`, 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=ee(t),E=f.newShape,I=f.keptDims;if(E.length<t.length){var P=qe(e,E);return`
      `+z(P)+`
      float `+a+`(int row, int col, int depth, int depth2) {
        return `+a+"("+it(["row","col","depth","depth2"],I)+`);
      }
    `}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 G=e.shapeInfo.flatOffset,oe=e.shapeInfo.texShape,ue=oe[0],ie=oe[1];if(ie===u&&G==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(`+ie+".0, "+ue+`.0);
        return sampleTexture(`+o+`, uv);
      }
    `;if(ie===i&&G==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(`+ie+".0, "+ue+`.0);
        return sampleTexture(`+o+`, uv);
      }
    `;var ce=De(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(`+ue+", "+ie+", index + "+ce+`);
      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,E=ee(t),I=E.newShape,P=E.keptDims;if(I.length<t.length){var G=qe(e,I);return`
      `+z(G)+`
      float `+a+`(int row, int col, int depth, int depth2, int depth3) {
        return `+a+"("+it(["row","col","depth","depth2","depth3"],P)+`);
      }
    `}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 oe=e.shapeInfo.flatOffset,ue=e.shapeInfo.texShape,ie=ue[0],ce=ue[1];if(ce===f&&oe==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(`+ce+".0, "+ie+`.0);
        return sampleTexture(`+o+`, uv);
      }
    `;if(ce===i&&oe==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(`+ce+".0, "+ie+`.0);
        return sampleTexture(`+o+`, uv);
      }
    `;var ye=De(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 + "+ye+`;
      vec2 uv = uvFromFlat(`+ie+", "+ce+`, 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=ee(t),s=i.newShape,u=i.keptDims;if(s.length<t.length){var f=qe(e,s);return`
      `+z(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 E=t[5],I=t[4]*E,P=t[3]*I,G=t[2]*P,oe=t[1]*G;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(`+oe+", "+G+", "+P+", "+I+`)) +
          dot(
            vec2(depth3, depth4),
            vec2(`+E+`, 1)));
        `+We(e)+`
      }
    `;var ue=e.shapeInfo.flatOffset,ie=e.shapeInfo.texShape,ce=ie[0],ye=ie[1];if(ye===oe&&ue==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(`+G+", "+P+", "+I+", "+E+`)) +
               float(depth4);
        vec2 uv = (vec2(texC, texR) + halfCR) /
                   vec2(`+ye+".0, "+ce+`.0);
        return sampleTexture(`+o+`, uv);
      }
    `;if(ye===E&&ue==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(`+ye+".0, "+ce+`.0);
        return sampleTexture(`+o+`, uv);
      }
    `;var we=De(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 * `+oe+" + col * "+G+" + depth * "+P+` +
          depth2 * `+I+" + depth3 * "+E+" + depth4 + "+we+`;
      vec2 uv = uvFromFlat(`+ce+", "+ye+`, index);
      return sampleTexture(`+o+`, uv);
    }
  `}(n);default:throw new Error(r.length+"-D input sampling is not yet supported")}}function ae(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],E=u[1],I=Kr();if(u!=null&&_e(a,u))return`
      vec4 `+s+`(int row, int col) {
        vec2 uv = (vec2(col, row) + halfCR) / vec2(`+E+".0, "+f+`.0);

        return `+I.texture2D+"("+i+`, uv);
      }
    `;var P=[Math.ceil(u[0]/2),Math.ceil(u[1]/2)],G=Math.ceil(a[1]/2);return`
    vec4 `+s+`(int row, int col) {
      vec2 uv = packedUVfrom2D(`+G+", "+P[0]+", "+P[1]+`, row, col);
      return `+I.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 E=a.slice(1),I=qe(o,E);return`
        `+ae(I)+`
        vec4 `+s+`(int b, int row, int col) {
          return `+s+"("+it(["b","row","col"],[1,2])+`);
        }
      `}var P=f[0],G=f[1],oe=Math.ceil(a[2]/2),ue=oe*Math.ceil(a[1]/2),ie=Kr();return`
    vec4 `+s+`(int b, int row, int col) {
      vec2 uv = packedUVfrom3D(
        `+P+", "+G+", "+ue+", "+oe+`, b, row, col);
      return `+ie.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,E=[Math.ceil(f[0]/2),Math.ceil(f[1]/2)],I=E[0],P=E[1],G=Math.ceil(a[i-1]/2),oe=G*Math.ceil(a[i-2]/2),ue="int b, int row, int col",ie="b * "+oe+" + (row / 2) * "+G+" + (col / 2)",ce=2;ce<i-1;ce++)ue="int b"+ce+", "+ue,oe*=a[i-ce-1],ie="b"+ce+" * "+oe+" + "+ie;var ye=Kr();return`
    vec4 `+u+"("+ue+`) {
      int index = `+ie+`;
      int texR = index / `+P+`;
      int texC = index - texR * `+P+`;
      vec2 uv = (vec2(texC, texR) + halfCR) / vec2(`+P+", "+I+`);
      return `+ye.texture2D+"("+s+`, uv);
    }
  `}(n)}}var me=`
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 De(n){return"offset"+n}function We(n){var r=n.name,e=le(n.shapeInfo.logicalShape);return e<2?"return "+r+";":`
    for (int i = 0; i < `+e+`; i++) {
      if (i == index) {
        return `+r+`[i];
      }
    }
  `}function ze(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 vt=function(n,r,e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,w(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,E=ze(f),I=en("coords",f);if(a===1){var P=ze(s=f+1);i=`
        `+P+" sourceLocR = "+P+"("+I.join()+`, 0);
        ++`+I[f-1]+`;
        `+P+" sourceLocG = "+P+"("+I.join()+`, 0);
        ++`+I[f-2]+`;
        `+P+" sourceLocA = "+P+"("+I.join()+`, 0);
        --`+I[f-1]+`;
        `+P+" sourceLocB = "+P+"("+I.join()+`, 0);
        --`+I[f-2]+";"}else s=f,i=`
        `+E+` sourceLocR = coords;
        ++`+I[f-1]+`;
        `+E+` sourceLocG = coords;
        ++`+I[f-2]+`;
        `+E+` sourceLocA = coords;
        --`+I[f-1]+`;
        `+E+` sourceLocB = coords;
        --`+I[f-2]+";";var G=["x","y","z","w","u","v"].slice(0,s),oe="."+G[s-1],ue=G.map(function(Fe){return"int "+Fe}),ie=en("sourceLocR",s-1).concat("inIdx.r"),ce=en("sourceLocG",s-1).concat("inIdx.g"),ye=en("sourceLocB",s-1).concat("inIdx.b"),we=en("sourceLocA",s-1).concat("inIdx.a"),Ee=e==="max"?"greaterThan":"lessThan",Se=t?"":`
          inIdx = round(vec4(getBestIndicesAChannel(`+ie.join()+`),
                             getBestIndicesAChannel(`+ce.join()+`),
                             getBestIndicesAChannel(`+ye.join()+`),
                             getBestIndicesAChannel(`+we.join()+")));",Me=`vec4(
            getAChannel(`+ie.join()+`),
            hasNextCol ? getAChannel(`+ce.join()+`) : 0.,
            hasNextRow ? getAChannel(`+ye.join()+`) : 0.,
            hasNextRow && hasNextCol ? getAChannel(`+we.join()+") : 0.)",He=t?"":`
      float getBestIndicesAChannel(`+ue.join()+`) {
        return getChannel(getBestIndicesA(`+G.join()+`),
                                          vec2(`+G.slice(-2).join()+`));
      }`;this.userCode=`
      float getAChannel(`+ue.join()+`) {
        return getChannel(getA(`+G.join()+`),
                               vec2(`+G.slice(-2).join()+`));
      }
      `+He+`
      void main() {
        `+E+` coords = getOutputCoords();
        bool hasNextCol = `+I[f-1]+" < "+(u[f-1]-1)+`;
        bool hasNextRow = `+I[f-2]+" < "+(u[f-2]-1)+`;
        `+i+`
        ivec4 srcIdx = ivec4(sourceLocR`+oe+", sourceLocG"+oe+`,
          sourceLocB`+oe+", sourceLocA"+oe+") * "+r+`;
        ivec4 inIdx = srcIdx;
        vec4 bestIndex = vec4(inIdx);
        vec4 bestValue = `+Me+`;

        for (int i = 0; i < `+r+`; i++) {
          inIdx = srcIdx;
          `+Se+`
          vec4 candidate = `+Me+`;
          bvec4 nan = isnan(candidate);
          bvec4 replace = bvec4(
            vec4(`+Ee+`(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);
      }
    `},wt=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,E=u-1-n.padInfo.left,I=1/(r*e);this.userCode=`
      const ivec2 pads = ivec2(`+f+", "+E+`);
      const float avgMultiplier = float(`+I+`);

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

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

        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
        // ? = to be determined. : = across all values in that axis.
        float dotProd = 0.0;
        for (int wR = 0; wR < `+s+`;
            wR += `+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);
      }
    `},Ct=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,E=n.effectiveFilterDepth,I=n.effectiveFilterHeight,P=n.effectiveFilterWidth,G=E-1-n.padInfo.front,oe=I-1-n.padInfo.top,ue=P-1-n.padInfo.left,ie=1/(r*e*t);this.userCode=`
      const ivec3 pads = ivec3(`+G+", "+oe+", "+ue+`);
      const float avgMultiplier = float(`+ie+`);

      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 < `+E+`;
            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 < `+I+`;
              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 < `+P+`;
                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);
      }
    `},Dt=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);
      }
    `},mt="return areal * breal - aimag * bimag;",_t="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||le(this.outputShape)===1)a=`
          result.y = 0.;
          result.z = 0.;
          result.w = 0.;
        `;else if(a=`
          `+ze(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=ze(t),a=en("coords",t),i=["x","y","z","w","u","v"].slice(0,t);this.variableNames=n.map(function(ie,ce){return"T"+ce});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],E=i.slice(-2),I=i.join(),P="if ("+f+" < "+s[0]+`) {
        return getChannel(
            getT0(`+I+"), vec2("+E.join()+`));
        }`;for(u=1;u<s.length;u++){var G=s[u-1];P+=`
        if (`+f+" < "+s[u]+"  && "+f+" >= "+s[u-1]+`) {
          return getChannel(
            getT`+u+"("+_r(i,f,G)+`),
            vec2(`+_r(E,f,G)+`));
        }`}var oe=s.length,ue=s[s.length-1];P+=`
        return getChannel(
          getT`+oe+"("+_r(i,f,ue)+`),
          vec2(`+_r(E,f,ue)+"));",this.userCode=`
      float getValue(`+i.map(function(ie){return"int "+ie})+`) {
        `+P+`
      }

      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,E=a?3:1;this.userCode=`
      const ivec2 pads = ivec2(`+i+", "+s+`);

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords[0];
        int d1 = coords[`+E+`];

        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);
      }
    `},kt=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,E=n.filterHeight,I=n.filterWidth,P=4*Math.floor(n.inChannels/4),G=n.inChannels%4,oe=n.dataFormat==="channelsLast",ue=oe?1:2,ie=oe?2:3,ce=oe?3:1,ye="",we="";e&&(ye=t?`float activation(float a) {
          float b = getPreluActivationWeightsAtOutCoords();
          `+e+`
        }`:`
          float activation(float x) {
            `+e+`
          }
        `,we="result = activation(result);");var Ee=r?"result += getBiasAtOutCoords();":"";r&&this.variableNames.push("bias"),t&&this.variableNames.push("preluActivationWeights"),this.userCode=`
      `+ye+`

      const ivec2 strides = ivec2(`+i+", "+s+`);
      const ivec2 pads = ivec2(`+o+", "+a+`);

      void main() {
        ivec4 coords = getOutputCoords();
        int batch = coords[0];
        int d2 = coords[`+ce+`];

        ivec2 xRCCorner =
            ivec2(coords[`+ue+"], coords["+ie+`]) * 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 < `+E+`; wR++) {
          int xR = xRCorner + wR * `+u+`;

          if (xR < 0 || xR >= `+n.inHeight+`) {
            continue;
          }

          for (int wC = 0; wC < `+I+`; wC++) {
            int xC = xCCorner + wC * `+f+`;

            if (xC < 0 || xC >= `+n.inWidth+`) {
              continue;
            }

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

              if (`+oe+`) {
                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 (`+(G===1)+`) {

              if (`+oe+`) {
                dotProd +=
                    getX(batch, xR, xC, `+P+`) *
                    getW(wR, wC, `+P+`, d2);
              } else {
                dotProd +=
                    getX(batch, `+P+`, xR, xC) *
                    getW(wR, wC, `+P+`, d2);
              }

            } else if (`+(G===2)+`) {
              vec2 wValues = vec2(
                getW(wR, wC, `+P+`, d2),
                getW(wR, wC, `+P+` + 1, d2)
              );

              if (`+oe+`) {
                vec2 xValues = vec2(
                  getX(batch, xR, xC, `+P+`),
                  getX(batch, xR, xC, `+P+` + 1)
                );
                dotProd += dot(xValues, wValues);
              } else {
                vec2 xValues = vec2(
                  getX(batch, `+P+`, xR, xC),
                  getX(batch, `+P+` + 1, xR, xC)
                );
                dotProd += dot(xValues, wValues);
              }

            } else if (`+(G===3)+`) {
              vec3 wValues = vec3(
                getW(wR, wC, `+P+`, d2),
                getW(wR, wC, `+P+` + 1, d2),
                getW(wR, wC, `+P+` + 2, d2)
              );

              if (`+oe+`) {
                vec3 xValues = vec3(
                  getX(batch, xR, xC, `+P+`),
                  getX(batch, xR, xC, `+P+` + 1),
                  getX(batch, xR, xC, `+P+` + 2)
                );
                dotProd += dot(xValues, wValues);
              } else {
                vec3 xValues = vec3(
                  getX(batch, `+P+`, xR, xC),
                  getX(batch, `+P+` + 1, xR, xC),
                  getX(batch, `+P+` + 2, xR, xC)
                );
                dotProd += dot(xValues, wValues);
              }

            }
          }
        }

        float result = dotProd;
        `+Ee+`
        `+we+`
        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,E=n.filterDepth,I=n.filterHeight,P=n.filterWidth,G=4*Math.floor(n.inChannels/4),oe=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 < `+E+`; wF++) {
          int xF = xFCorner + wF * `+s+`;

          if (xF < 0 || xF >= `+n.inDepth+`) {
            continue;
          }

          for (int wR = 0; wR < `+I+`; wR++) {
            int xR = xRCorner + wR * `+u+`;

            if (xR < 0 || xR >= `+n.inHeight+`) {
              continue;
            }

            for (int wC = 0; wC < `+P+`; wC++) {
              int xC = xCCorner + wC * `+f+`;

              if (xC < 0 || xC >= `+n.inWidth+`) {
                continue;
              }

              for (int d1 = 0; d1 < `+G+`; 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 (`+(oe===1)+`) {
                dotProd +=
                  getX(batch, xF, xR, xC, `+G+`) *
                  getW(wF, wR, wC, `+G+`, d2);
              } else if (`+(oe===2)+`) {
                vec2 xValues = vec2(
                  getX(batch, xF, xR, xC, `+G+`),
                  getX(batch, xF, xR, xC, `+G+` + 1)
                );
                vec2 wValues = vec2(
                  getW(wF, wR, wC, `+G+`, d2),
                  getW(wF, wR, wC, `+G+` + 1, d2)
                );
                dotProd += dot(xValues, wValues);
              } else if (`+(oe===3)+`) {
                vec3 xValues = vec3(
                  getX(batch, xF, xR, xC, `+G+`),
                  getX(batch, xF, xR, xC, `+G+` + 1),
                  getX(batch, xF, xR, xC, `+G+` + 2)
                );
                vec3 wValues = vec3(
                  getW(wF, wR, wC, `+G+`, d2),
                  getW(wF, wR, wC, `+G+` + 1, d2),
                  getW(wF, wR, wC, `+G+` + 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,E=n.dilationHeight,I=n.dilationWidth,P=n.filterHeight,G=n.filterWidth,oe=n.outChannels/n.inChannels,ue="",ie="";e&&(ue=t?`float activation(float a) {
          float b = getPreluActivationWeightsAtOutCoords();
          `+e+`
        }`:`
          float activation(float x) {
            `+e+`
          }
        `,ie="result = activation(result);");var ce=r?"result += getBiasAtOutCoords();":"";r&&this.variableNames.push("bias"),t&&this.variableNames.push("preluActivationWeights"),this.userCode=`
      `+ue+`

      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 / `+oe+`;
        int q = d2 - d1 * `+oe+`;

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

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

          if (xR < 0 || xR >= `+o+`) {
            continue;
          }

          for (int wC = 0; wC < `+G+`; wC++) {
            int xC = xCCorner + wC * `+I+`;

            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;
        `+ce+`
        `+ie+`
        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,E=n.dilationHeight,I=n.dilationWidth,P=n.filterHeight,G=n.filterWidth,oe=G,ue="int xR; int xC; int xCOffset;",ie=0;ie<P;ie++)for(var ce=0;ce<G;ce++)ue+=`
          vec4 xTexelR`+ie+"C"+2*ce+` = vec4(0.);
          vec4 wR`+ie+"C"+ce+` = vec4(0.);
          vec4 xR`+ie+"C"+ce+" = vec4(0.);";for(ie=0;ie<P;ie++)for(var ye=0;ye<oe;ye++){if(ue+=`
          xR = xRCorner + `+ie*E+`;
          xC = xCCorner + `+(ce=2*ye)*I+`;
        `,f===1){if(ce<G&&(ue+=s%2==1?`
                xCOffset = xC + 1;
                if(xR >= 0 && xR < `+o+" && xCOffset >= 0 && xCOffset < "+a+`) {
                  xTexelR`+ie+"C"+ce+` = getX(batch, xR, xCOffset, d1);

                  // Need to manually clear unused channels in case
                  // we're reading from recycled texture.
                  if(xCOffset + 1 >= `+a+`) {
                    xTexelR`+ie+"C"+ce+`.zw = vec2(0.);
                  }
                } else {
                  xTexelR`+ie+"C"+ce+` = 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`+ie+"C"+ce+" = vec4(previous.zw, xTexelR"+ie+"C"+ce+`.xy);
                } else {
                  xR`+ie+"C"+ce+" = vec4(0, 0, xTexelR"+ie+"C"+ce+`.xy);
                }
              `:`
                if(xR >= 0 && xR < `+o+" && xC >= 0 && xC < "+a+`) {
                  xTexelR`+ie+"C"+ce+` = getX(batch, xR, xC, d1);
                } else {
                  xTexelR`+ie+"C"+ce+` = vec4(0.);
                }

                xR`+ie+"C"+ce+" = xTexelR"+ie+"C"+ce+`;
              `,ce+1<G)){var we=s%2==0?te(I):I;I%2==0&&s%2==1||I%2!=0&&s%2!=1?(ue+=`
                  xCOffset = xC + `+s%2+" + "+we+`;

                  if(xR >= 0 && xR < `+o+` &&
                    xCOffset >= 0 && xCOffset < `+a+`) {
                    xTexelR`+ie+"C"+(ce+2)+` = getX(batch, xR, xCOffset, d1);
                  }
                `,I>1&&(ue+=`
                    xCOffset -= 2;
                    if(xR >= 0 && xR < `+o+` &&
                      xCOffset >= 0 && xCOffset < `+a+`) {
                      xTexelR`+ie+"C"+ce+` = getX(batch, xR, xCOffset, d1);
                    } else {
                      xTexelR`+ie+"C"+ce+` = vec4(0.);
                    }
                  `),ue+=`
                  xR`+ie+"C"+(ce+1)+` = vec4(
                    xTexelR`+ie+"C"+ce+".zw, xTexelR"+ie+"C"+(ce+2)+`.xy);
                `):ue+=`
                  xCOffset = xC + `+we+`;

                  if(xR >= 0 && xR < `+o+` &&
                    xCOffset >= 0 && xCOffset < `+a+`) {
                    xTexelR`+ie+"C"+(ce+2)+` = getX(batch, xR, xCOffset, d1);
                  }

                  xR`+ie+"C"+(ce+1)+" = xTexelR"+ie+"C"+(ce+2)+`;
                `}}else ce<G&&(ue+=`
              if(xR >= 0 && xR < `+o+`) {
            `,s%2==1?(ue+=`
                xCOffset = xC + 1 - `+f+`;
                if(xCOffset >= 0 && xCOffset < `+a+`) {
                  xTexelR`+ie+"C"+ce+` = getX(batch, xR, xCOffset, d1);
                } else {
                  xTexelR`+ie+"C"+ce+` = vec4(0.);
                }

                if(xC + 1 >= 0 && xC + 1 < `+a+`) {
                  xTexelR`+ie+"C"+(ce+2)+` = getX(batch, xR, xC + 1, d1);
                } else {
                  xTexelR`+ie+"C"+(ce+2)+` = vec4(0.);
                }

                xR`+ie+"C"+ce+` = vec4(
                  xTexelR`+ie+"C"+ce+".zw, xTexelR"+ie+"C"+(ce+2)+`.zw);
              `,ce+1<G&&(ue+=`
                  vec4 final = vec4(0.);
                  xCOffset = xC + 1 + `+f+`;
                  if(xCOffset >= 0 && xCOffset < `+a+`) {
                    final = getX(batch, xR, xCOffset, d1);
                  }
                  xR`+ie+"C"+(ce+1)+" = vec4(xTexelR"+ie+"C"+(ce+2)+`.xy, final.xy);
                `)):(ue+=`
                if(xC >= 0 && xC < `+a+`) {
                  xTexelR`+ie+"C"+ce+` = getX(batch, xR, xC, d1);
                } else {
                  xTexelR`+ie+"C"+ce+` = vec4(0.);
                }

                xCOffset = xC + `+f+`;
                if(xCOffset >= 0 && xCOffset < `+a+`) {
                  xTexelR`+ie+"C"+(ce+2)+` = getX(batch, xR, xCOffset, d1);
                } else {
                  xTexelR`+ie+"C"+(ce+2)+` = vec4(0.);
                }

                xR`+ie+"C"+ce+` = vec4(
                  xTexelR`+ie+"C"+ce+".xy, xTexelR"+ie+"C"+(ce+2)+`.xy);
              `,ce+1<G&&(ue+=`
                  xR`+ie+"C"+(ce+1)+` = vec4(
                    xTexelR`+ie+"C"+ce+".zw, xTexelR"+ie+"C"+(ce+2)+`.zw);
                `)),ue+="}");ce<G&&(ue+=`
            vec4 wTexelR`+ie+"C"+ce+" = getW("+ie+", "+ce+`, d1, q);
            wR`+ie+"C"+ce+" = vec4(wTexelR"+ie+"C"+ce+".xz, wTexelR"+ie+"C"+ce+`.xz);
          `,ce+1<G&&(ue+=`
              vec4 wTexelR`+ie+"C"+(ce+1)+" = getW("+ie+", "+(ce+1)+`, d1, q);
              wR`+ie+"C"+(ce+1)+` =
                vec4(wTexelR`+ie+"C"+(ce+1)+".xz, wTexelR"+ie+"C"+(ce+1)+".xz);"))}for(ie=0;ie<P;ie++)for(ce=0;ce<G;ce++)ue+="dotProd += xR"+ie+"C"+ce+" * wR"+ie+"C"+ce+";";var Ee="",Se="";e&&(Ee=t?`vec4 activation(vec4 a) {
          vec4 b = getPreluActivationWeightsAtOutCoords();
          `+e+`
        }`:`vec4 activation(vec4 x) {
          `+e+`
        }`,Se="result = activation(result);");var Me=r?"result += getBiasAtOutCoords();":"";r&&this.variableNames.push("bias"),t&&this.variableNames.push("preluActivationWeights"),this.userCode=`
      `+Ee+`

      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.);

        `+ue+`

        vec4 result = dotProd;
        `+Me+`
        `+Se+`
        setOutput(result);
      }
    `},Ft=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],E=e[0],I=e[1];this.outputShape=[f,E,I,u];var P=t==="bilinear"?1:0,G=[i-1+".0",s-1+".0"],oe=G[0],ue=G[1],ie=E>1?[""+(i-1)/(E-1),"(y2-y1) * height_ratio","y1*"+oe+" + float(y)*(height_scale)"]:["0.0","0.0","0.5 * (y1+y2) * "+oe],ce=ie[0],ye=ie[1],we=ie[2],Ee=I>1?[""+(s-1)/(I-1),"(x2-x1) * width_ratio","x1*"+ue+" + float(x)*(width_scale)"]:["0.0","0.0","0.5 * (x1+x2) * "+ue],Se=Ee[0],Me=Ee[1],He=Ee[2];this.userCode=`
      const float height_ratio = float(`+ce+`);
      const float width_ratio = float(`+Se+`);
      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 = `+ye+`;
        float width_scale = `+Me+`;

        float in_y = `+we+`;
        if( in_y < 0.0 || in_y > `+oe+` ) {
          setOutput(float(`+o+`));
          return;
        }
        float in_x = `+He+`;
        if( in_x < 0.0 || in_x > `+ue+` ) {
          setOutput(float(`+o+`));
          return;
        }

        vec2 sourceFracIndexCR = vec2(in_x,in_y);
        if(`+P+` == 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() {
        `+ze(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) {
        `+R(["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) {
        `+R(["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=`
      `+S+`

      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=`
      `+S+`

      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=`
      `+b(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 E=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[`+E+`] = values[0];
              } else if(offset == 1) {
                result[`+E+`] = values[1];
              } else if(offset == 2) {
                result[`+E+`] = values[2];
              } else {
                result[`+E+`] = values[3];
              }
            }
          }
        `}this.userCode=`
      `+b(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=ze(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"],E=[],I=0;I<i.length;I++)I===s?E.push("int(getIndices("+f[I]+"))"):E.push(""+f[I]);return E.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=ze(r.length),o=ze(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=$n(e,t);return In(n,r,a[0],a[1],o.internalFormatPackedHalfFloat,n.RGBA,o.textureTypeHalfFloat)}function gc(n,r,e,t){return St(n,r,function(){return n.bindBuffer(n.ARRAY_BUFFER,t)}),ln(n,r,e,"clipSpacePos",t,3,20,0)&&ln(n,r,e,"uv",t,2,20,12)}function yc(n,r,e,t,o,a,i){var s,u,f;St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,e)}),a instanceof Uint8Array?(s=new Uint8Array(t*o*4),u=n.UNSIGNED_BYTE,f=n.RGBA):(s=new Float32Array(t*o*4),u=n.FLOAT,f=i.internalFormatPackedFloat),s.set(a),St(n,r,function(){return n.texImage2D(n.TEXTURE_2D,0,f,t,o,0,n.RGBA,u,s)}),St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,null)})}function bc(n,r,e,t){St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,e)}),t.data instanceof Uint8Array?St(n,r,function(){return n.texImage2D(n.TEXTURE_2D,0,n.RGBA,t.width,t.height,0,n.RGBA,n.UNSIGNED_BYTE,t.data)}):St(n,r,function(){return n.texImage2D(n.TEXTURE_2D,0,n.RGBA,n.RGBA,n.UNSIGNED_BYTE,t)}),St(n,r,function(){return n.bindTexture(n.TEXTURE_2D,null)})}function xc(n,r,e,t,o){var a=n.createBuffer();St(n,r,function(){return n.bindBuffer(n.PIXEL_PACK_BUFFER,a)});var i=16*e*t;return St(n,r,function(){return n.bufferData(n.PIXEL_PACK_BUFFER,i,n.STREAM_READ)}),St(n,r,function(){return n.readPixels(0,0,t,e,n.RGBA,n.FLOAT,0)}),St(n,r,function(){return n.bindBuffer(n.PIXEL_PACK_BUFFER,null)}),a}function wc(n,r,e){var t=n,o=new Float32Array(e);return t.bindBuffer(t.PIXEL_PACK_BUFFER,r),t.getBufferSubData(t.PIXEL_PACK_BUFFER,0,o),t.bindBuffer(t.PIXEL_PACK_BUFFER,null),o}function Ec(n,r,e,t,o){var a=Yn(e,t),i=a[0],s=a[1],u=new Uint8Array(e*t*4);return St(n,r,function(){return n.readPixels(0,0,i,s,o.downloadTextureFormat,n.UNSIGNED_BYTE,u)}),new Float32Array(u.buffer)}function _c(n,r,e,t,o,a,i,s){var u=n,f=new Float32Array(function(E,I){var P=$n(E,I);return P[0]*P[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=c().getNumber("WEBGL_VERSION");r!=null?(this.gl=r,Ga(e,r)):this.gl=vn(e);var t="WEBGL_color_buffer_float";if(c().getNumber("WEBGL_VERSION")===1){if(this.textureFloatExtension=Lo(this.gl,this.debug,"OES_texture_float"),Jr(this.gl,"OES_texture_half_float"))this.textureHalfFloatExtension=Lo(this.gl,this.debug,"OES_texture_half_float");else if(c().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=Lo(this.gl,this.debug,"EXT_color_buffer_half_float");else if(c().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 c().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(c().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 c().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(e=this.beginQuery(),this.endQuery(),t=function(){return o.isQueryAvailable(e,c().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=Lo(this.gl,this.debug,c().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(c().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(c().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 x(this,void 0,void 0,function(){var e=this;return v(this,function(t){switch(t.label){case 0:return[4,L(function(){return e.disposed||e.isQueryAvailable(r,c().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))})];case 1:return t.sent(),[2,this.getQueryTime(r,c().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||L(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(!_e(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(!_e(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,E=e.dilationHeight,I=e.dataFormat,P=s.left,G=s.top,oe=o*t,ue=Kr(),ie=I==="channelsLast",ce=ie?0:1,ye=ie?1:2,we="",Ee=0;Ee<=1;Ee++)for(var Se=0;Se<=1;Se++)we+=`
          blockIndex = rc.y + `+Se+`;
          pos = rc.x + `+Ee+`;

          if(blockIndex < `+n[1]+" && pos < "+n[0]+`) {
            offsetY = int(blockIndex / (`+u+")) * "+i+" - "+G+`;
            d0 = offsetY + `+E+" * (pos / "+oe+`);

            if(d0 < `+r[ce]+` && d0 >= 0) {

              offsetX = int(mod(float(blockIndex), `+u+".) * "+a+". - "+P+`.);
              d1 = offsetX + `+f+" * (int(mod(float(pos), "+oe+".) / "+o+`.));

              if(d1 < `+r[ye]+` && d1 >= 0) {

                ch = int(mod(float(pos), `+o+`.));

                if (`+ie+`) {
                  innerDims = vec2(d1, ch);
                  result[`+(2*Ee+Se)+`] = getChannel(
                    getA(d0, int(innerDims.x),
                    int(innerDims.y)), innerDims);
                } else {
                  innerDims = vec2(d0, d1);
                  result[`+(2*Ee+Se)+`] = 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;

        `+we+`

        `+ue.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,E=s-1-n.padInfo.front,I=u-1-n.padInfo.top,P=f-1-n.padInfo.left,G=s*u*f-1;this.userCode=`
      const ivec3 pads = ivec3(`+E+", "+I+", "+P+`);

      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 = `+G+` -
                  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",E=t?"rc.z, i * 2":"i * 2, rc.z",I=e?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],P=t?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],G="",oe="";a&&(G=i?`vec4 activation(vec4 a) {
          vec4 b = getPreluActivationWeightsAtOutCoords();
          `+a+`
        }`:`vec4 activation(vec4 x) {
          `+a+`
        }`,oe="result = activation(result);");var ue=o?"result += getBiasAtOutCoords();":"";o&&this.variableNames.push("bias"),i&&this.variableNames.push("preluActivationWeights"),this.userCode=`
      `+G+`

      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, `+E+`);

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

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

        `+ue+`

        `+oe+`

        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=ze(r),o=function(s,u,f){if(s===1)return"rc > "+u[0];for(var E="",I=s-2;I<s;I++)E+=f[I]+" >= "+u[I],I<s-1&&(E+="||");return E}(r,n,e),a=function(s,u,f,E){if(s===1)return"";var I=E.slice(-2);return`
    int r = `+I[0]+`;
    int c = `+I[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,E=function(I,P){for(var G=[],oe=0;oe<=1;oe++)for(var ue=0;ue<=1;ue++){for(var ie=(oe===0?"r":"rp1")+", "+(ue===0?"c":"cp1"),ce=2;ce<I;ce++)ie=P[P.length-1-ce]+","+ie;G.push(ie)}return G}(f,u);return f===1?`getA(rc),
            rc + 1 >= `+s[0]+` ? 0. : getA(rc + 1),
            0, 0`:"getA("+E[0]+`),
          cEdge ? 0. : getA(`+E[1]+`),
          rEdge ? 0. : getA(`+E[2]+`),
          rEdge || cEdge ? 0. : getA(`+E[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=ze(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(ie,ce){return ie[0]+n[ce]+ie[1]});for(var t=n.length,o=ze(t),a=r.map(function(ie){return ie[0]}).join(","),i=r.map(function(ie,ce){return ie[0]+n[ce]}).join(","),s=en("rc",t),u=en("source",t),f=s[t-1]+" < "+this.outputShape[t-1],E=t===1?"source":"vec2("+u.slice(-2).join()+")",I=[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+") {"],P=t===1?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",G="",oe=0,ue=t===1?2:4;oe<ue;oe++)G+=`
        `+I[oe]+`
        if (`+P+`) {
          result[`+oe+"] = float("+e+`);
        } else {
          `+o+` source = rc - start;
          result[`+oe+"] = getChannel(getX("+u.join()+"), "+E+`);
        }
      `;G+=t===1?"} ":"}}",this.userCode=`
      const `+o+" start = "+o+"("+a+`);
      const `+o+" end = "+o+"("+i+`);

      void main() {
        `+o+` outputLoc = getOutputCoords();
        vec4 result = vec4(0.);
        `+G+`
        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,E=n.padInfo.top,I=n.padInfo.left;this.outputShape=n.outShape;var P=r==="avg",G="0.0";if(P||(G="-1.0 / 1e-20"),e)this.userCode=`
        const ivec2 strides = ivec2(`+o+", "+a+`);
        const ivec2 pads = ivec2(`+E+", "+I+`);

        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 oe=r+"("+r+"("+r+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";r==="avg"&&(oe="avgValue / count");var ue=4*Math.floor(t/4),ie=t%4,ce=`
      if (`+P+`) {
        avgValue += dot(values, ones);
      } else {
        minMaxValue = max(values, minMaxValue);
      }
    `;this.userCode=`
      const ivec2 strides = ivec2(`+o+", "+a+`);
      const ivec2 pads = ivec2(`+E+", "+I+`);
      const float initializationValue = `+G+`;
      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(`+G+`);
        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 < `+ue+`; 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)
            );

            `+ce+`
          }

          int xC = xCCorner + `+ue+`;
          if (`+(ie===1)+`) {
            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              initializationValue,
              initializationValue,
              initializationValue
            );

            `+ce+`
          } else if (`+(ie===2)+`) {
            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              getValue(batch, xR, xC + `+s+`, d),
              initializationValue,
              initializationValue
            );

            `+ce+`
          } else if (`+(ie===3)+`) {
            vec4 values = vec4(
              getValue(batch, xR, xC, d),
              getValue(batch, xR, xC + `+s+`, d),
              getValue(batch, xR, xC + 2 * `+s+`, d),
              initializationValue
            );

            `+ce+`
          }
        }
        setOutput(`+oe+`);
      }
    `}},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,E=n.effectiveFilterDepth,I=n.effectiveFilterHeight,P=n.effectiveFilterWidth,G=n.padInfo.front,oe=n.padInfo.top,ue=n.padInfo.left;this.outputShape=n.outShape;var ie=r==="avg",ce="0.0";if(ie||(ce="-1.0 / 1e-20"),e)this.userCode=`
        const ivec3 strides =
            ivec3(`+o+", "+a+", "+i+`);
        const ivec3 pads = ivec3(`+G+", "+oe+", "+ue+`);

        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 < `+E+`;
              wD += `+s+`) {
            int xD = xDCorner + wD;

            if (xD < 0 || xD >= `+n.inDepth+`) {
              continue;
            }

            for (int wR = 0; wR < `+I+`;
                wR += `+u+`) {
              int xR = xRCorner + wR;

              if (xR < 0 || xR >= `+n.inHeight+`) {
                continue;
              }

              for (int wC = 0; wC < `+P+`;
                  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 * `+I+" * "+P+` +
                      wR * `+P+` + wC;;
                }
              }
            }
          }
          setOutput(float(minMaxPosition));
        }
      `;else{var ye=r+"("+r+"("+r+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";r==="avg"&&(ye="avgValue / count");var we=4*Math.floor(t/4),Ee=t%4,Se=`
      if (`+ie+`) {
        avgValue += dot(values, ones);
      } else {
        minMaxValue = max(values, minMaxValue);
      }
    `;this.userCode=`
      const ivec3 strides =
        ivec3(`+o+", "+a+", "+i+`);
      const ivec3 pads = ivec3(`+G+", "+oe+", "+ue+`);
      const float initializationValue = `+ce+`;
      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(`+ce+`);
        float avgValue = 0.0;
        count = 0.0;

        for (int wD = 0; wD < `+E+`;
            wD += `+s+`) {
          int xD = xDCorner + wD;

          if (xD < 0 || xD >= `+n.inDepth+`) {
            continue;
          }

          for (int wR = 0; wR < `+I+`;
            wR += `+u+`) {
            int xR = xRCorner + wR;

            if (xR < 0 || xR >= `+n.inHeight+`) {
              continue;
            }

            for (int wC = 0; wC < `+we+`; 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)
              );

              `+Se+`
            }

            int xC = xCCorner + `+we+`;
            if (`+(Ee===1)+`) {
              vec4 values = vec4(
                getValue(batch, xD, xR, xC, ch),
                initializationValue,
                initializationValue,
                initializationValue
              );

              `+Se+`
            } else if (`+(Ee===2)+`) {
              vec4 values = vec4(
                getValue(batch, xD, xR, xC, ch),
                getValue(batch, xD, xR, xC + `+f+`, ch),
                initializationValue,
                initializationValue
              );

              `+Se+`
            } else if (`+(Ee===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
              );

              `+Se+`
            }
          }
          setOutput(`+ye+`);
        }
      }
    `}},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),E=e%4,I=`
      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);
      }
    `,P="vec4";r==="all"?(i="1.0",I=`
        bool reducedAllValue = all(values);
        float floatedReducedAllValue = float(reducedAllValue);
        allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);
      `,P="bvec4"):r==="any"&&(i="0.0",I=`
        bool reducedAnyValue = any(values);
        float floatedReducedAnyValue = float(reducedAnyValue);
        anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);
      `,P="bvec4");var G="";o%e>0&&(G=`
        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) {
        `+G+`
        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;
          `+P+" values = "+P+`(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            getValue(batch, inIdx + 3)
          );

          `+I+`
        }

        int inIdx = inOffset + `+f+`;
        if (`+(E===1)+`) {
          `+P+" values = "+P+`(
            getValue(batch, inIdx),
            initializationValue,
            initializationValue,
            initializationValue
          );

          `+I+`
        } else if (`+(E===2)+`) {
          `+P+" values = "+P+`(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            initializationValue,
            initializationValue
          );

          `+I+`
        } else if (`+(E===3)+`) {
          `+P+" values = "+P+`(
            getValue(batch, inIdx),
            getValue(batch, inIdx + 1),
            getValue(batch, inIdx + 2),
            initializationValue
          );

          `+I+`
        }
        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) {
      `+R(["r","c","d"],r)+`
      return ivec3(r, c, d);
    }
  
      `+b(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],E=[e&&s>1?s-1:s,e&&u>1?u-1:u],I=f[0]/E[0],P=f[1]/E[1],G=1/I,oe=1/P,ue=2*Math.ceil(G)+2,ie=2*Math.ceil(oe)+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(`+I+`);
        const float widthScale = float(`+P+`);

        const float invHeightScale = float(`+G+`);
        const float invWidthScale = float(`+oe+`);

        const int winHeight = int(`+ue+`);
        const int winWidth = int(`+ie+`);

        // 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],E=[e&&s>1?s-1:s,e&&u>1?u-1:u],I=f[0]/E[0],P=f[1]/E[1],G=1/I,oe=1/P,ue=2*Math.ceil(G)+2,ie=2*Math.ceil(oe)+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(`+I+`);
        const float widthScale = float(`+P+`);

        const float invHeightScale = float(`+G+`);
        const float invWidthScale = float(`+oe+`);

        const int winHeight = int(`+ue+`);
        const int winWidth = int(`+ie+`);

        // 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(`+E[0]+`));

            float sourceFracCol =
                float(`+f[1]+`) *
                  (float(dyC) / float(`+E[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],E=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 + `+E+`)));

        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=ze(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=ze(e);function s(u){var f=n.map(function(E,I){return function(P,G){return r.indexOf(P)!==-1&&n[P]!==1?n[P]+" - "+G[P]+" - 1":""+G[P]}(I,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=ze(o.length),u=ze(a.length),f="";e===1?f="i":e===2&&(f="i, j");var E="getIndices("+f+")",I="";t===1?I="i":t===2&&(I="i, coords[1]");var P="getUpdates("+I+")",G=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(`+E+`);
              flattenedIndex += index * `+G+`;
            }
            if (flattenedIndex == coords[0]) {
              sum += `+P+`;
              found = true;
            }
          }
          setOutput(mix(getDefaultValue(), sum, float(found)));
        }
      `},Dd=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);
    `,E="";o%e>0&&(E=`
        if (inIdx < 0 || inIdx >= `+o+`) {
          return initializationValue;
        }
      `);var I="";o%e>0&&(I=`
        if (inIdx < 0 || inIdx >= `+o+`) {
          return -1.0;
        }
      `),this.userCode=`
      const float initializationValue = 0.0;

      float getValue(int batch, int inIdx) {
        `+E+`
        return getX(batch, inIdx);
      }

      float getSegmentIdAtIndex(int inIdx) {
        `+I+`
        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);
      }
    `},Nd=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=ze(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=ze(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=ze(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(E,I){return"start["+I+"]"}).join()+");":r.map(function(E,I){return o[I]+" = "+t[I]+" + start["+I+"];"}).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=ze(e.length),a=ze(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+`));
      }
    `},Ld=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 c().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=ze(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=[],E=0;E<i.length;E++)f.push("imod("+u[E]+", "+i[E]+")");return f.join()}(n);this.userCode=`
      void main() {
        `+o+` resRC = getOutputCoords();
        setOutput(getA(`+a+`));
      }
    `},Fd=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=ze(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),E=0;E<i.length;E++)f[i[E]]=u[E];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=ze(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);
      }
    `},Dn="if (isnan(x)) return x;",Ud="return x;",Ic="return abs(x);",Dc=Dn+`
  return (x < 0.0) ? 0.0 : x;
`,Nc=Dn+`
  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);",Lc="return floor(x);",jc="return exp(x);",Fc="return exp(x) - 1.0;",Hd=Dn+`
  return sin(x);
`,zd=Dn+`
  return cos(x);
`,Gd=Dn+`
  if (abs(x) > 1.) {
    return NAN;
  }
  return asin(x);
`,Vd=Dn+`
  if (abs(x) > 1.) {
    return NAN;
  }
  return acos(x);
`,Xd=Dn+`
  return atan(x);
`,Kd=Dn+"return log(x + sqrt(x * x + 1.0));",Yd=Dn+`
  if (x < 1.0) return NAN;
  return log(x + sqrt(x * x - 1.0));`,$d=Dn+`
  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=ze(r),o=function(s,u){if(s===1)return"rc";for(var f="",E=0;E<s;E++)f+=u[E],E<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:Dc;if(n==="elu")return r?Wc:kc;if(n==="relu6")return r?Uc:Nc;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,!c().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(e==null){var a=vn(c().getNumber("WEBGL_VERSION"));o.binaryCache=((t=c().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 Ld(o.gpgpu),o.numMBBeforeWarning=c().global.screen==null?1024:c().global.screen.height*c().global.screen.width*window.devicePixelRatio*Qd/1024/1024,o.texData=new _a(o,Ve),o}return A(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(c().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(c().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 E=void 0;E=f?new xi(u,is):new zt(u,is);var I=this.runWebGLProgram(E,[{dataId:e,shape:u,dtype:a}],a),P=this.readSync(I.dataId);return this.disposeData(I.dataId),P}if(o!=null)return this.convertAndCacheOnCPU(e);if(a==="string")return o;var G,oe,ue=this.activeTimers!=null;return(ue&&(G=Re()),a==="complex64")?oe=Oa(i.real.dataSync(),i.imag.dataSync()):oe=this.getValuesFromTexture(e),ue&&(this.downloadWaitMs+=Re()-G),this.convertAndCacheOnCPU(e,oe)},r.prototype.read=function(e){return x(this,void 0,void 0,function(){var t,o,a,i,s,u,f,E,I,P,G,oe,ue,ie,ce,ye,we,Ee,Se,Me,He,Fe;return v(this,function(je){switch(je.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,E=o.isPacked,s!=null)return I=void 0,I=E?new xi(i,is):new zt(i,is),P=this.runWebGLProgram(I,[{dataId:e,shape:i,dtype:u}],u),G=this.read(P.dataId),this.disposeData(P.dataId),[2,G];if(a!=null)return[2,this.convertAndCacheOnCPU(e)];if(!c().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&c().getNumber("WEBGL_VERSION")===2)throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");return oe=null,u!=="complex64"&&c().get("WEBGL_BUFFER_SUPPORTED")&&(ue=this.decode(e),ie=this.texData.get(ue.dataId),oe=(Fe=this.gpgpu).createBufferFromTexture.apply(Fe,[ie.texture].concat(Or(i)))),this.pendingRead.set(e,[]),u==="complex64"?[3,2]:[4,this.gpgpu.createAndWaitForFence()];case 1:je.sent(),je.label=2;case 2:return u!=="complex64"?[3,4]:[4,Promise.all([f.real.data(),f.imag.data()])];case 3:return ye=je.sent(),we=ye[0],Ee=ye[1],ce=Oa(we,Ee),[3,5];case 4:oe==null?ce=this.getValuesFromTexture(e):(Se=le(i),ce=this.gpgpu.downloadFloat32MatrixFromBuffer(oe,Se)),je.label=5;case 5:return ue!=null&&this.disposeData(ue.dataId),Me=this.convertAndCacheOnCPU(e,ce),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 c().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=le(a);if(c().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){var f=this.decode(e),E=this.texData.get(f.dataId),I=(t=this.gpgpu).downloadMatrixFromPackedTexture.apply(t,[E.texture].concat(Or(a))).subarray(0,u);return this.disposeData(f.dataId),I}var P=c().getBool("WEBGL_PACK")&&s===!0,G=P?vo(a):a,oe=P?new Yo(G):new Hn(G),ue=this.runWebGLProgram(oe,[{shape:G,dtype:i,dataId:e}],"float32"),ie=this.texData.get(ue.dataId),ce=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(ie.texture,ie.texShape[0],ie.texShape[1]).subarray(0,u);return this.disposeData(ue.dataId),ce},r.prototype.time=function(e){return x(this,void 0,void 0,function(){var t,o,a,i,s,u,f;return v(this,function(E){switch(E.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=he(this.activeTimers.map(function(I){return I.query})).filter(function(I){return I!=null}),s=he(this.activeTimers.map(function(I){return I.name})).filter(function(I){return I!=null}),this.activeTimers=t,a&&(this.programTimersStack=null),u={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null},c().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[4,Promise.all(i)]:[3,2];case 1:return f=E.sent(),u.kernelMs=q(f),u.getExtraProfileInfo=function(){return f.map(function(I,P){return{name:s[P],ms:I}}).map(function(I){return I.name+": "+I.ms}).join(", ")},[3,3];case 2:u.kernelMs={error:"WebGL query timers are not supported in this environment."},E.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 c().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:Re(),endMs:null}},r.prototype.endTimer=function(e){return c().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),e):(e.endMs=Re(),e)},r.prototype.getQueryTime=function(e){return x(this,void 0,void 0,function(){var t;return v(this,function(o){return c().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,E=f&&f.origDataId||e,I=this.dataRefCount.get(E);I>1?this.dataRefCount.set(E,I-1):(this.dataRefCount.delete(E),o!=null&&(this.numBytesInGPU-=this.computeBytes(i,a),this.textureManager.releaseTexture(o,i,s,u)));var P=this.texData.get(e);P.texture=null,P.texShape=null,P.isPacked=!1,P.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 c().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(le(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=c().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=c().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(G){return un(G)}),a=e.map(function(G){return xn(G)});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>c().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(c().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&e[0].rank>1){var f=new ur(e.map(function(G){return G.shape}),t);return this.compileAndRun(f,e)}var E=qn(e.map(function(G){return G.shape}),t),I=e.map(function(G){return G.as2D(-1,le(G.shape.slice(t)))}),P=new tn(I.map(function(G){return G.shape}));return this.compileAndRun(P,I).reshape(E)},r.prototype.neg=function(e){if(this.shouldExecuteOnCPU([e]))return this.cpuBackend.neg(e);if(c().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 E=s===1?e:e.as3D(f,u,1),I=s===1?2:1,P=s===1?t.as3D(f,1,u):t;return this.multiply(E,P).sum(I,!0)}var G=nr(e.dtype,t.dtype),oe=new su(e.shape,[f,i,s],o,a);return this.compileAndRun(oe,[e,t],G)},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,E=a?t.shape[2]:t.shape[1],I=i?o.shape[1]:o.shape[2],P=t.shape[0],G=nr(t.dtype,o.dtype),oe=s!=null,ue=f!=null,ie=u?us(u,!0):null,ce=new su(t.shape,[P,E,I],a,i,oe,ie,ue),ye=[t,o];return s&&ye.push(s),f&&ye.push(f),this.compileAndRun(ce,ye,G)},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(mt,e.shape,t.shape),s=new Wt(_t,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),E=this.compileAndRun(s,u),I=this.complex(f,E);return f.dispose(),E.dispose(),I}if(this.shouldExecuteOnCPU([e,t]))return this.cpuBackend.multiply(e,t);if(c().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(e,t,or,e.dtype);var P=new Ut(or,e.shape,t.shape);return this.compileAndRun(P,[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 E=null;if(i!=null&&(E=i.shape,u.push(i)),c().getBool("WEBGL_PACK_NORMALIZATION")){var I=new At(e.shape,t.shape,o.shape,f,E,a);return this.compileAndRun(I,u)}var P=new Dt(e.shape,t.shape,o.shape,f,E,a);return this.compileAndRun(P,u)},r.prototype.localResponseNormalization4D=function(e,t,o,a,i){var s=c().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 rt(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=c().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=c().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Bd(e.shape,t):new Fd(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){w(e.rank<=4,function(){return"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet"});var a=t.reduce(function(I,P){return I*P}),i=Wo(e.shape,t,a),s=qt(i.length,t.length),u=wa(e.shape,t,a),f=Gs(o,t.length),E=Vs(u,o,t.length);return e.reshape(i).transpose(s).reshape(u).slice(f,E)},r.prototype.spaceToBatchND=function(e,t,o){w(e.rank<=4,function(){return"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet"});var a=t.reduce(function(P,G){return P*G}),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),E=qt(f.length,t.length,!1),I=wa(u.shape,t,a,!1);return u.reshape(f).transpose(E).reshape(I)},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 E=this.compileAndRun(u,f,"int32");return E.shape[1]===1?E:this.argReduce(e,t,E)},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 vt(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=le(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=le(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(G,oe,ue){for(var ie=[],ce=G.length,ye=0;ye<ce;ye++)ye!==oe?ie.push(G[ye]):ie.push(ue);return ie}(s.shape,a,o),f=le([s.shape[a]]),E=s.as2D(-1,f),I=hr(e.dtype),P=this.segOpCompute(E,"unsortedSegmentSum",t,I,o).reshape(u);return i!=null&&(P=P.transpose(bo(i))),P},r.prototype.segOpCompute=function(e,t,o,a,i){var s=e.shape[0],u=e.shape[1],f=function(P,G){var oe,ue=!1;for(P<=Ki?(oe=P,ue=!0):oe=ge(P,Math.floor(Math.sqrt(P)));!ue;)oe>G||oe===P?ue=!0:oe=ge(P,oe+1);return oe}(u,i),E=new Dd({windowSize:f,inSize:u,batchSize:s,numSegments:i},t),I=this.compileAndRun(E,[e,o],a);return I.shape[1]===i?I:(o=fa(0,i).tile([u/f]),this.segOpCompute(I,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),!c().getBool("WEBGL_PACK_REDUCE")||e.rank<=2){var i=Gr(e.shape,a),s=i[0],u=le(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(c().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(c().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(c().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(c().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(c().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(c().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(c().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(c().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 Nd(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=le(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=c().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=c().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=le(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=c().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=le(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=le(o[1]),s=e.as2D(-1,i);return this.reduce(s,"any",s.dtype).reshape(a)},r.prototype.realDivide=function(e,t){if(c().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(c().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(c().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(P){var G=P[0],oe=P[1],ue=a.makeComplexComponentTensorInfo(e,G),ie=a.makeComplexComponentTensorInfo(t,oe),ce=new Ut(o,e.shape,t.shape);return a.compileAndRun(ce,[ue,ie],nr(G.dtype,oe.dtype))}),f=u[0],E=u[1],I=this.complex(f,E);return f.dispose(),E.dispose(),I},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>c().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,E){return nr(f,E)}),s=e.map(function(f){return f.shape}),u=c().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(c().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=c().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(c().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(c().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.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(c().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(c().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.softmax=function(e,t){var o=de([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(c().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=c().getBool("WEBGL_PACK")?new xi(e.shape,Bc):new zt(e.shape,Dc),this.compileAndRun(t,[e])},r.prototype.relu6=function(e){var t;return t=c().getBool("WEBGL_PACK")?new xi(e.shape,Uc):new zt(e.shape,Nc),this.compileAndRun(t,[e])},r.prototype.prelu=function(e,t){var o=c().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(c().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=c().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=c().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(c().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=c().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),Dn+`
    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),E=o.inChannels,I=u[0]*u[1]*u[2],P=o.outChannels,G=o.dataFormat==="channelsLast",oe=(I===1||P===1)&&E>1e3,ue=u[2]%2!=0&&!!f.isPacked;if(oe||!c().getBool("WEBGL_LAZILY_UNPACK")||!c().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!ue){var ie=G?u[0]*u[1]*u[2]:u[0]*u[2]*u[3],ce=this.reshape(e,[1,ie,o.inChannels]),ye=this.reshape(t,[1,o.inChannels,o.outChannels]);return this.reshape(this.fusedBatchMatMul({a:ce,b:ye,transposeA:!1,transposeB:!1,bias:a,activation:i,preluActivationWeights:s}),o.outShape)}var we=G?u[0]*u[1]*(u[2]+1):u[0]*u[2]*(u[3]+1),Ee={dataId:e.dataId,shape:[1,we,o.inChannels],dtype:e.dtype},Se=f.shape;f.shape=f.shape.slice(),f.shape[f.shape.length-2]++,w(go(f.shape,Ee.shape),function(){return"packed reshape "+f.shape+" to "+Ee.shape+" isn't free"});var Me=this.reshape(t,[1,o.inChannels,o.outChannels]),He=this.fusedBatchMatMul({a:Ee,b:Me,transposeA:!1,transposeB:!1,bias:a,activation:i,preluActivationWeights:s}),Fe=this.texData.get(He.dataId);return w(Fe.isPacked,function(){return"batchMatMul result is expected to be packed"}),f.shape=Se,Fe.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,E=o.inChannels,I=o.outWidth,P=o.outHeight,G=o.dataFormat==="channelsLast",oe=u*f*E,ue=P*I,ie=[oe,ue],ce=e.squeeze([0]),ye=t.reshape([1,oe,-1]),we=new dd(ie,ce.shape,o),Ee=this.compileAndRun(we,[ce]).reshape([1,ie[0],ie[1]]),Se=a!=null,Me=s!=null,He=i?us(i,!0):null,Fe=new su(Ee.shape,[1,ue,o.outChannels],!0,!1,Se,He,Me),je=[Ee,ye];a&&je.push(a),Me&&je.push(s);var Ue=this.compileAndRun(Fe,je);return G?Ue.reshape([1,P,I,o.outChannels]):Ue.reshape([1,o.outChannels,P,I])},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(c().getBool("WEBGL_CONV_IM2COL")&&t.shape[0]===1)return this.conv2dWithIm2Row(t,o,a,i,s,u);var f=i!=null,E=u!=null,I=s?us(s,!1):null,P=new kt(a,f,I,E),G=[t,o];return i&&G.push(i),u&&G.push(u),this.compileAndRun(P,G)},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(c().getBool("WEBGL_CONV_IM2COL")&&e.shape[0]===1)return this.conv2dWithIm2Row(e,t,o);var a=new kt(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,E=c().getBool("WEBGL_PACK_DEPTHWISECONV")&&i.strideWidth<=2&&i.outChannels/i.inChannels==1,I=u?us(u,E):null,P=[o,a],G=s!=null,oe=f!=null;return G&&P.push(s),oe&&P.push(f),E?(t=new dr(i,G,I,oe),this.compileAndRun(t,P)):(t=new yr(i,G,I,oe),this.compileAndRun(t,P))},r.prototype.depthwiseConv2D=function(e,t,o){var a;return c().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 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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 Ft(e.shape,t.shape,a,i,s);return this.compileAndRun(u,[e,t,o],"float32")},r.prototype.depthToSpace=function(e,t,o){w(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,E=s*t,I=u/(t*t),P=new wr(o==="NHWC"?[a,f,E,I]:[a,I,f,E],t,o);return this.compileAndRun(P,[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,E=a.outputSize,I=[E/u,u],P=e.reshape([s,i]),G=t.reshape([s,u]);if(E===0)return Aa(Ur([]),o);var oe=It(0),ue=new Ac(s,i,P.rank,G.rank,f,I);return this.compileAndRun(ue,[G,P,oe]).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,E=i.outputSize,I=new Ac(u,s,e.rank,t.rank,f,[E,1],!1);return this.compileAndRun(I,[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),E=this.complex(u,f).as2D(e.shape[0],e.shape[1]);return u.dispose(),f.dispose(),E},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],E=i[3],I=t.reshape([u,a]),P=e.reshape([e.size/f,f]),G=new gi(a,E,[u,f]);return this.compileAndRun(G,[P,I]).reshape(s)},r.prototype.fill=function(e,t,o){if((o=o||ot(t))==="string"){var a=Ne(o,le(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 E=Or(e.outputShape);f.texShape=E.map(function(we){return 2*we})}if(e.outTexUsage!=null&&(f.usage=e.outTexUsage),le(u.shape)===0)return f.values=xe(u.dtype,0),u;var I=[],P=t.map(function(we){if(we.dtype==="complex64")throw new Error("GPGPUProgram does not support complex64 input. For complex64 dtypes, please separate the program into real and imaginary parts.");var Ee=s.texData.get(we.dataId);if(Ee.texture==null){if(!e.packedInputs&&le(we.shape)<=c().getNumber("WEBGL_SIZE_UPLOAD_UNIFORM"))return{shape:we.shape,texData:null,isUniform:!0,uniformValues:Ee.values};e.packedInputs&&(Ee.isPacked=!0,Ee.shape=we.shape)}else if(!!Ee.isPacked!=!!e.packedInputs)we=Ee.isPacked?s.unpackTensor(we):s.packTensor(we),I.push(we),Ee=s.texData.get(we.dataId);else if(Ee.isPacked&&!go(Ee.shape,we.shape)){var Se=we,Me=we.shape;we.shape=Ee.shape,we=s.packedReshape(we,Me),I.push(we),Ee=s.texData.get(we.dataId),Se.shape=Me}return s.uploadToGPU(we.dataId),{shape:we.shape,texData:Ee,isUniform:!1}});this.uploadToGPU(u.dataId);var G,oe={shape:u.shape,texData:f,isUniform:!1},ue=function(we,Ee,Se){var Me="";Ee.concat(Se).forEach(function(je){var Ue=je.texData!=null&&je.texData.slice!=null&&je.texData.slice.flatOffset>0,Ze=je.isUniform?"uniform":je.texData.texShape;Me+=je.shape+"_"+Ze+"_"+Ue});var He=we.userCode,Fe=we.constructor.name;return Fe+="_"+Me+"_"+He}(e,P,oe),ie=this.getAndSaveBinary(ue,function(){return function(we,Ee,Se,Me){var He=Ee.userCode,Fe=Se.map(function(ut,gt){var yt={logicalShape:ut.shape,texShape:ut.isUniform?null:ut.texData.texShape,isUniform:ut.isUniform,isPacked:!ut.isUniform&&ut.texData.isPacked,flatOffset:null};return ut.texData!=null&&ut.texData.slice!=null&&ut.texData.slice.flatOffset>0&&(yt.flatOffset=ut.texData.slice.flatOffset),{name:Ee.variableNames[gt],shapeInfo:yt}}),je=Fe.map(function(ut){return ut.shapeInfo}),Ue={logicalShape:Me.shape,texShape:Me.texData.texShape,isUniform:!1,isPacked:Me.texData.isPacked,flatOffset:null},Ze=N(Fe,Ue,He,Ee.packedInputs),Je=we.createProgram(Ze),dt=null,ct=we.getUniformLocation(Je,"NAN",!1);c().getNumber("WEBGL_VERSION")===1&&(dt=we.getUniformLocation(Je,"INFINITY",!1));for(var st={},pt=0;pt<Ee.variableNames.length;pt++){var ht=Ee.variableNames[pt];st[ht]=we.getUniformLocation(Je,ht,!1),st["offset"+ht]=we.getUniformLocation(Je,"offset"+ht,!1)}return{program:Ee,source:Ze,webGLProgram:Je,uniformLocations:st,inShapeInfos:je,outShapeInfo:Ue,infLoc:dt,nanLoc:ct}}(s.gpgpu,e,P,oe)}),ce=this.activeTimers!=null;if(ce&&(G=this.startTimer()),function(we,Ee,Se,Me,He){Sc(Ee.inShapeInfos,Se),Sc([Ee.outShapeInfo],[Me]);var Fe=Me.texData.texture,je=Me.texData.texShape;Me.texData.isPacked?we.setOutputPackedMatrixTexture(Fe,je[0],je[1]):we.setOutputMatrixTexture(Fe,je[0],je[1]),we.setProgram(Ee.webGLProgram),c().getNumber("WEBGL_VERSION")===1&&Ee.infLoc!==null&&we.gl.uniform1f(Ee.infLoc,1/0),Ee.nanLoc!==null&&we.gl.uniform1f(Ee.nanLoc,NaN),Se.forEach(function(Ue,Ze){var Je=Ee.program.variableNames[Ze],dt=Ee.uniformLocations[Je],ct=Ee.uniformLocations["offset"+Je];if(dt!=null)if(Ue.isUniform)if(le(Ue.shape)<2)we.gl.uniform1f(dt,Ue.uniformValues[0]);else{var st=Ue.uniformValues;st instanceof Float32Array||(st=new Float32Array(st)),we.gl.uniform1fv(dt,st)}else Ue.texData.slice!=null&&ct!=null&&we.gl.uniform1i(ct,Ue.texData.slice.flatOffset),we.setInputMatrixTexture(Ue.texData.texture,dt,Ze)}),He!=null&&He(we,Ee.webGLProgram),we.executeProgram()}(this.gpgpu,ie,P,oe,a),I.forEach(function(we){return s.disposeData(we.dataId)}),ce&&(G=this.endTimer(G),this.activeTimers.push({name:e.constructor.name,query:this.getQueryTime(G)})),!c().getBool("WEBGL_LAZILY_UNPACK")&&f.isPacked&&i===!1){var ye=this.unpackTensor(u);return this.disposeData(u.dataId),ye}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||(c().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(!c().get("WEBGL_RENDER_FLOAT32_ENABLED")){var t=c().getBool("DEBUG");c().set("DEBUG",!1);var o=e.abs(It(1e-8)).dataSync()[0];if(c().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,E=o.isPacked;if(u==null){var I,P=this.activeTimers!=null;P&&(I=Re());var G=o.texShape;if(G==null&&(G=Ri(a,E),o.texShape=G),s!=null){var oe=vo(a),ue=void 0,ie=G[1],ce=G[0],ye=s instanceof Uint8Array;E?(ie=(t=$n(G[0],G[1]))[0],ce=t[1],ue=new Ra(oe,[ce,ie],ye)):ue=new Br(oe,[ce,ie],ye);var we=this.makeTensorInfo([ce,ie],i);this.texData.get(we.dataId).usage=ye?Wr.PIXELS:Wr.UPLOAD,this.gpgpu.uploadDenseMatrixToTexture(this.getTexture(we.dataId),ie,ce,s);var Ee=this.runWebGLProgram(ue,[we],i,null,!0),Se=this.texData.get(Ee.dataId);o.texture=Se.texture,o.texShape=Se.texShape,o.isPacked=Se.isPacked,o.usage=Se.usage,this.disposeData(we.dataId),this.texData.delete(Ee.dataId),o.values=null,P&&(this.uploadWaitMs+=Re()-I)}else{var Me=this.acquireTexture(G,f,i,E);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 strides "+e+" and dilations '"+a+"'"}),i!=null&&w(se(t),function(){return"Error in depthwiseConv2d: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+t+"."});var I=Fn(f.shape,u.shape,e,a,t,i,!0),P=[f,u],G=Ve.runKernelFunc(function(oe,ue){var ie=oe.depthwiseConv2D(f,u,I);return ue([f,u]),ie},{x:f,filter:u},function(oe,ue){w(So(a),function(){return"Error in gradient of depthwiseConv2d: dilation rates greater than 1 are not yet supported. Got dilations '"+a+"'"});var ie=ue[0],ce=ue[1];return{x:function(){return ll(ie.shape,oe,ce,I)},filter:function(){return dl(ie,oe,ce.shape,I)}}},"DepthwiseConv2dNative",I,P);return E?G.as3D(G.shape[1],G.shape[2],G.shape[3]):G}}),ll=Ke({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=Ke({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=Ke({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"),E=s,I=!1;if(s.rank===3&&(I=!0,E=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");w(E.rank===4,function(){return"Error in separableConv2d: input must be rank 4, but got rank "+E.rank+"."}),w(u.rank===4,function(){return"Error in separableConv2d: depthwise filter must be rank 4, but got rank "+u.rank+"."}),w(f.rank===4,function(){return"Error in separableConv2d: pointwise filter must be rank 4, but got rank "+u.rank+"."}),w(f.shape[0]===1,function(){return"Error in separableConv2d: the first dimension of pointwise filter  must be 1, but got "+f.shape[0]+"."}),w(f.shape[1]===1,function(){return"Error in separableConv2d: the second dimension of pointwise filter must be 1, but got "+f.shape[1]+"."});var P=u.shape[2],G=u.shape[3];w(f.shape[2]===P*G,function(){return"Error in separableConv2d: the third dimension of pointwise filter must be "+P*G+", but got "+f.shape[2]+"."});var oe=ps(E,u,t,o,i,a),ue=Da(oe,f,1,"valid",i);return I?ue.as3D(ue.shape[1],ue.shape[2],ue.shape[3]):ue}}),dh=Ke({conv2dTranspose_:function(n,r,e,t,o,a){return sl(e,Oe(n,"x","conv2dTranspose"),Oe(r,"filter","conv2dTranspose"),t,o,"NHWC",a)}}),fh=Ke({conv3dTranspose_:function(n,r,e,t,o){return ul(e,Oe(n,"x","conv3dTranspose"),Oe(r,"filter","conv3dTranspose"),t,o)}}),yu=Ke({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],E=t?i.shape[i.rank-2]:i.shape[i.rank-1],I=a.shape.slice(0,-2),P=i.shape.slice(0,-2),G=le(I),oe=le(P);w(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+"."}),w(_e(I,P),function(){return"Error in matMul: outer dimensions ("+I+") and ("+P+") of Tensors with shapes "+a.shape+" and "+i.shape+" must match."}),w(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 ue=a.shape.slice(0,-2).concat([f,E]),ie=e?a.as3D(G,s,f):a.as3D(G,f,s),ce=t?i.as3D(oe,E,u):i.as3D(oe,u,E),ye={transposeA:e,transposeB:t};return Ve.runKernelFunc(function(we,Ee){var Se=we.batchMatMul(ie,ce,e,t);return Ee([ie,ce]),Se},{a:ie,b:ce},function(we,Ee){var Se=Ee,Me=Se[0],He=Se[1];return e||t?!e&&t?{a:function(){return we.matMul(He,!1,!1)},b:function(){return we.matMul(Me,!0,!1)}}:e&&!t?{a:function(){return He.matMul(we,!1,!0)},b:function(){return Me.matMul(we,!1,!1)}}:{a:function(){return He.matMul(we,!0,!0)},b:function(){return we.matMul(Me,!0,!0)}}:{a:function(){return we.matMul(He,!1,!0)},b:function(){return Me.matMul(we,!0,!1)}}},"BatchMatMul",ye).reshape(ue)}}),hh=Ke({dot_:function(n,r){var e=Oe(n,"t1","dot"),t=Oe(r,"t2","dot");w(!(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 w(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=Ke({outerProduct_:function(n,r){var e=Oe(n,"v1","outerProduct"),t=Oe(r,"v2","outerProduct");return w(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=Ke({reverse_:function(n,r){var e=Oe(n,"x","reverse");if(e.rank===0)return e.clone();var t=de(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=Ke({reverse1d_:function(n){var r=Oe(n,"x","reverse");return w(r.rank===1,function(){return"Error in reverse1D: x must be rank 1 but got rank "+r.rank+"."}),_i(r,0)}}),vh=Ke({reverse2d_:function(n,r){var e=Oe(n,"x","reverse");return w(e.rank===2,function(){return"Error in reverse2D: x must be rank 2 but got rank "+e.rank+"."}),_i(e,r)}}),gh=Ke({reverse3d_:function(n,r){var e=Oe(n,"x","reverse");return w(e.rank===3,function(){return"Error in reverse3D: x must be rank 3 but got rank "+e.rank+"."}),_i(e,r)}}),yh=Ke({reverse4d_:function(n,r){var e=Oe(n,"x","reverse");return w(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]),w(s.rank===4,function(){return"Error in maxPool: input must be rank 4 but got rank "+s.rank+"."}),w(Zr(e,t),function(){return"Error in maxPool: Either strides or dilations must be 1. Got strides "+e+" and dilations '"+t+"'"}),a!=null&&w(se(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&&_e(f.inShape,f.outShape))return i.clone();var E=[s],I=Ve.runKernelFunc(function(P,G){var oe=P.maxPool(s,f);return G([s,oe]),oe},{x:s},function(P,G){var oe=G[0],ue=G[1];return{x:function(){return function(ie,ce,ye,we,Ee,Se,Me,He){var Fe=Oe(ie,"dy","maxPoolBackprop"),je=Oe(ce,"input","maxPoolBackprop"),Ue=Oe(ye,"output","maxPoolBackprop");w(je.rank===Fe.rank,function(){return"Rank of input ("+je.rank+") does not match rank of dy ("+Fe.rank+")"}),Se==null&&(Se=[1,1]),w(Zr(Ee,Se),function(){return"Error in maxPoolBackProp: Either strides or dilations must be 1. Got strides "+Ee+" and dilations '"+Se+"'"}),w(Fe.rank===4,function(){return"Error in maxPoolBackprop: dy must be rank 4 but got rank "+Fe.rank+"."}),w(je.rank===4,function(){return"Error in maxPoolBackprop: input must be rank 4 but got rank "+je.rank+"."}),He!=null&&w(se(Me),function(){return"Error in maxPoolBackprop: pad must be an integer when using, dimRoundingMode "+He+" but got pad "+Me+"."});var Ze=to(je.shape,we,Ee,Se,Me,He);return Ve.runKernelFunc(function(Je){return Je.maxPoolBackprop(Fe,je,Ue,Ze)},{$dy:Fe,$input:je})}(P,oe,ue,r,e,t,o)}}},"MaxPool",f,E);return u?I.as3D(I.shape[1],I.shape[2],I.shape[3]):I}function pl(n,r,e,t,o,a){var i=Oe(n,"x","avgPool","float32");t==null&&(t=[1,1]),w(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])),w(s.rank===4,function(){return"Error in avgPool: x must be rank 4 but got rank "+s.rank+"."}),a!=null&&w(se(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&&_e(f.inShape,f.outShape))return i.clone();var E=Ve.runKernelFunc(function(I){return I.avgPool(s,f)},{x:s},function(I){return{x:function(){return function(P,G,oe,ue,ie,ce){var ye=Oe(P,"dy","avgPoolBackprop"),we=Oe(G,"input","avgPoolBackprop");w(we.rank===ye.rank,function(){return"Rank of input ("+we.rank+") does not match rank of dy ("+ye.rank+")"}),ie==null&&(ie=[1,1]),w(Zr(ue,ie),function(){return"Error in avgPoolBackprop: Either strides or dilations must be 1. Got strides "+ue+" and dilations '"+ie+"'"});var Ee=we,Se=ye,Me=!1;we.rank===3&&(Me=!0,Ee=we.as4D(1,we.shape[0],we.shape[1],we.shape[2]),Se=ye.as4D(1,ye.shape[0],ye.shape[1],ye.shape[2])),w(Se.rank===4,function(){return"Error in avgPoolBackprop: dy must be rank 4 but got rank "+Se.rank+"."}),w(Ee.rank===4,function(){return"Error in avgPoolBackprop: input must be rank 4 but got rank "+Ee.rank+"."});var He=to(Ee.shape,oe,ue,ie,ce),Fe=Ve.runKernelFunc(function(je){return je.avgPoolBackprop(Se,Ee,He)},{dy4D:Se,input4D:Ee});return Me?Fe.as3D(Fe.shape[1],Fe.shape[2],Fe.shape[3]):Fe}(I,s,r,e,t,o)}}},"AvgPool",f);return E=E.cast(i.dtype),u?E.as3D(E.shape[1],E.shape[2],E.shape[3]):E}var ml=Ke({maxPool_:function(n,r,e,t,o){return hl(n,r,e,1,t,o)}}),vl=Ke({avgPool_:function(n,r,e,t,o){return pl(n,r,e,1,t,o)}}),bh=Ke({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])),w(Zr(a,o),function(){return"Error in pool: Either strides or dilations must be 1. Got strides "+a+" and dilations '"+o+"'"});var f,E=to(s.shape,r,a,o,t),I=[E.dilationHeight,E.dilationWidth];f=t==="same"?function(Ee,Se){var Me=Ee.map(function(je,Ue){return je+(je-1)*(Se[Ue]-1)}).map(function(je){return je-1}),He=Me.map(function(je){return Math.floor(je/2)}),Fe=Me.map(function(je,Ue){return je-He[Ue]});return Me.map(function(je,Ue){return[He[Ue],Fe[Ue]]})}([E.filterHeight,E.filterWidth],I):[[0,0],[0,0]];var P=I[0]===1&&I[1]===1,G=function(Ee,Se,Me){var He=Me.map(function(ct){return ct[0]}),Fe=Me.map(function(ct){return ct[1]}),je=Ee.concat(He,Fe),Ue=Se.map(function(ct,st){return(ct-je[st]%ct)%ct}),Ze=Fe.map(function(ct,st){return ct+Ue[st]}),Je=Se.map(function(ct,st){return[He[st],Ze[st]]}),dt=Se.map(function(ct,st){return[0,Ue[st]]});return[Je,dt]}([E.inHeight,E.inWidth],I,f),oe=G[0],ue=G[1],ie=P?t:"valid",ce=P?s:Gi(s,I,oe),ye=(e==="avg"?function(){return pl(ce,r,a,1,ie)}:function(){return hl(ce,r,a,1,ie)})(),we=P?ye:va(ye,I,ue);return u?we.as3D(we.shape[1],we.shape[2],we.shape[3]):we}}),xh=Ke({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]),w(u.rank===5,function(){return"Error in maxPool3d: x must be rank 5 but got rank "+u.rank+"."}),w(a==="NDHWC",function(){return"Error in maxPool3d: Only NDHWC is currently supported, but got dataFormat of "+a}),w(Zr(e,i),function(){return"Error in maxPool3d: Either strides or dilations must be 1. 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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 x(this,void 0,void 0,function(){return v(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 rt(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 x(this,void 0,void 0,function(){var t;return v(this,function(o){return t=Re(),e(),[2,{kernelMs:Re()-t}]})})},r.prototype.memory=function(){return{unreliable:!0,reasons:["The reported memory is an upper bound. 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i=o?e.shape[1]:e.shape[2],s=o?e.shape[2]:e.shape[1],u=a?t.shape[1]:t.shape[2],f=e.shape[0],E=this.readSync(e.dataId),I=this.readSync(t.dataId),P=o?[e.strides[0],1,e.strides[1]]:[e.strides[0],e.strides[1],1],G=P[0],oe=P[1],ue=P[2],ie=a?[1,t.strides[1],t.strides[0]]:[t.strides[1],1,t.strides[0]],ce=ie[0],ye=ie[1],we=ie[2],Ee=s*u,Se=jt([f,s,u],e.dtype),Me=Se.values,He=this.blockSize,Fe=0;Fe<f;Fe++)for(var je=0;je<s;je+=He)for(var Ue=0;Ue<u;Ue+=He)for(var Ze=0;Ze<i;Ze+=He)for(var Je=Math.min(je+He,s),dt=Math.min(Ue+He,u),ct=Math.min(Ze+He,i),st=je;st<Je;st++)for(var pt=Ue;pt<dt;pt++){for(var ht=0,ut=Ze;ut<ct;ut++)ht+=E[Fe*G+st*oe+ut*ue]*I[ut*ce+pt*ye+Fe*we];Me[Fe*Ee+(st*u+pt)]+=ht}return Se.toTensor()},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,E=this.batchMatMul(t,o,a,i);return s&&(E=this.add(E,s)),u&&(E=Ou(this,E,u,f)),E},r.prototype.multiply=function(e,t){return e.dtype==="complex64"||t.dtype==="complex64"?this.broadcastedBinaryComplexOp(e.cast("complex64"),t.cast("complex64"),function(o,a,i,s){return{real:o*i-a*s,imag:o*s+a*i}}):this.broadcastedBinaryOp(e,t,nr(e.dtype,t.dtype),function(o,a){return o*a})},r.prototype.realDivide=function(e,t){return ft([e,t],"realDivide"),this.broadcastedBinaryOp(e,t,"float32",function(o,a){return o/a})},r.prototype.floorDiv=function(e,t){return ft([e,t],"floorDiv"),this.broadcastedBinaryOp(e,t,"int32",function(o,a){return Math.floor(o/a)})},r.prototype.sum=function(e,t){ft(e,"sum"),on("sum",t,e.rank);for(var o=Gr(e.shape,t),a=o[0],i=o[1],s=Tr(a,nr(e.dtype,"int32")),u=le(i),f=this.readSync(s.dataId),E=this.readSync(e.dataId),I=0;I<f.length;++I){for(var P=I*u,G=0,oe=0;oe<u;++oe)G+=E[P+oe];f[I]=G}return s},r.prototype.prod=function(e,t){ft(e,"sum");for(var o=Gr(e.shape,t),a=o[0],i=o[1],s=Tr(a,nr(e.dtype,"int32")),u=le(i),f=this.readSync(s.dataId),E=this.readSync(e.dataId),I=0;I<f.length;++I){for(var 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ft([e,t],"greater"),this.broadcastedBinaryOp(e,t,"bool",function(o,a){return o>a?1:0})},r.prototype.greaterEqual=function(e,t){return ft([e,t],"greaterEqual"),this.broadcastedBinaryOp(e,t,"bool",function(o,a){return o>=a?1:0})},r.prototype.logicalNot=function(e){ft(e,"logicalNot");for(var t=this.readSync(e.dataId),o=new Uint8Array(t.length),a=0;a<t.length;++a)o[a]=t[a]?0:1;return this.makeOutput(o,e.shape,"bool")},r.prototype.logicalAnd=function(e,t){return ft([e,t],"logicalAnd"),this.broadcastedBinaryOp(e,t,"bool",function(o,a){return o&&a})},r.prototype.logicalOr=function(e,t){return ft([e,t],"logicalOr"),this.broadcastedBinaryOp(e,t,"bool",function(o,a){return o||a})},r.prototype.select=function(e,t,o){ft([e,t,o],"select");for(var a=this.readSync(e.dataId),i=this.readSync(t.dataId),s=this.readSync(o.dataId),u=Tr(t.shape,nr(t.dtype,o.dtype)),f=this.readSync(u.dataId),E=0,I=e.rank===0||e.rank>1||t.rank===1?1:le(t.shape.slice(1)),P=0;P<a.length;P++)for(var G=0;G<I;G++)a[P]===1?f[E++]=i[P]:f[E++]=s[P];return u},r.prototype.where=function(e){ft([e],"where");var t=this.readSync(e.dataId);return fi(e.shape,t)},r.prototype.topk=function(e,t,o){return ft(e,"topk"),as(this.readSync(e.dataId),e.shape,e.dtype,t)},r.prototype.min=function(e,t){ft(e,"min"),on("min",t,e.rank);for(var o=Gr(e.shape,t),a=o[0],i=o[1],s=Tr(a,e.dtype),u=le(i),f=this.readSync(s.dataId),E=this.readSync(e.dataId),I=0;I<f.length;++I){for(var P=I*u,G=E[P],oe=0;oe<u;++oe){var ue=E[P+oe];ue<G&&(G=ue)}f[I]=G}return s},r.prototype.minimum=function(e,t){return ft([e,t],"minimum"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){return Math.min(o,a)})},r.prototype.mod=function(e,t){return ft([e,t],"mod"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){var i=o%a;return o<0&&a<0||o>=0&&a>=0?i:(i+a)%a})},r.prototype.max=function(e,t){ft(e,"max"),on("max",t,e.rank);for(var o=Gr(e.shape,t),a=o[0],i=o[1],s=Tr(a,e.dtype),u=le(i),f=this.readSync(s.dataId),E=this.readSync(e.dataId),I=0;I<f.length;++I){for(var P=I*u,G=E[P],oe=0;oe<u;++oe){var ue=E[P+oe];ue>G&&(G=ue)}f[I]=G}return s},r.prototype.maximum=function(e,t){return ft([e,t],"maximum"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){return Math.max(o,a)})},r.prototype.all=function(e,t){ft(e,"all"),on("all",t,e.rank);for(var o=Gr(e.shape,t),a=o[0],i=o[1],s=Tr(a,e.dtype),u=le(i),f=this.readSync(s.dataId),E=this.readSync(e.dataId),I=0;I<f.length;++I){for(var P=I*u,G=E[P],oe=0;oe<u;++oe){var ue=E[P+oe];G=G&&ue}f[I]=G}return s},r.prototype.any=function(e,t){ft(e,"any"),on("any",t,e.rank);for(var o=Gr(e.shape,t),a=o[0],i=o[1],s=Tr(a,e.dtype),u=le(i),f=this.readSync(s.dataId),E=this.readSync(e.dataId),I=0;I<f.length;++I){for(var P=I*u,G=E[P],oe=0;oe<u;++oe){var ue=E[P+oe];G=G||ue}f[I]=G}return s},r.prototype.squaredDifference=function(e,t){return ft([e,t],"squaredDifference"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){var i=o-a;return i*i})},r.prototype.ceil=function(e){ft(e,"ceil");for(var t=this.readSync(e.dataId),o=new Float32Array(t.length),a=0;a<t.length;++a)o[a]=Math.ceil(t[a]);return this.makeOutput(o,e.shape,"float32")},r.prototype.floor=function(e){ft(e,"floor");for(var t=this.readSync(e.dataId),o=new Float32Array(t.length),a=0;a<t.length;++a)o[a]=Math.floor(t[a]);return this.makeOutput(o,e.shape,"float32")},r.prototype.sign=function(e){ft(e,"x");for(var t=this.readSync(e.dataId),o=new Float32Array(t.length),a=0;a<t.length;++a)t[a]<0?o[a]=-1:t[a]>0?o[a]=1:o[a]=0;return this.makeOutput(o,e.shape,"float32")},r.prototype.isNaN=function(e){ft(e,"x");for(var t=this.readSync(e.dataId),o=new Uint8Array(t.length),a=0;a<t.length;++a)Number.isNaN(t[a])&&(o[a]=1);return this.makeOutput(o,e.shape,"bool")},r.prototype.isInf=function(e){ft(e,"x");for(var t=this.readSync(e.dataId),o=new 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this.makeOutput(o,e.shape,"float32")},r.prototype.linear=function(e){return e},r.prototype.relu=function(e){ft(e,"relu");for(var t=Tr(e.shape,e.dtype),o=this.readSync(t.dataId),a=this.readSync(e.dataId),i=0;i<a.length;++i)o[i]=Math.max(0,a[i]);return t},r.prototype.relu6=function(e){ft(e,"relu");for(var t=Tr(e.shape,e.dtype),o=this.readSync(t.dataId),a=this.readSync(e.dataId),i=0;i<a.length;++i)o[i]=Math.min(Math.max(0,a[i]),6);return t},r.prototype.prelu=function(e,t){return ft([e,t],"prelu"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){return o<0?a*o:o})},r.prototype.elu=function(e){ft(e,"elu");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a){var i=o[a];t[a]=i>=0?i:Math.exp(i)-1}return this.makeOutput(t,e.shape,"float32")},r.prototype.eluDer=function(e,t){ft([e,t],"eluDer");for(var o=new Float32Array(t.size),a=this.readSync(t.dataId),i=this.readSync(e.dataId),s=0;s<a.length;++s){var u=a[s];o[s]=u>=1?i[s]:i[s]*(u+1)}return this.makeOutput(o,t.shape,"float32")},r.prototype.selu=function(e){ft(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){ft(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){ft(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){ft(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){ft(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]),E=void 0;E=u?f:s?a[i]:Math.log(1+f),o[i]=E}return this.makeOutput(o,e.shape,"float32")},r.prototype.sin=function(e){ft(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){ft(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){ft(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){ft(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){ft(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){ft(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 ft([e,t],"atan2"),this.broadcastedBinaryOp(e,t,e.dtype,function(o,a){return Math.atan2(o,a)})},r.prototype.sinh=function(e){ft(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){ft(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){ft(e,"tanh");for(var t=new Float32Array(e.size),o=this.readSync(e.dataId),a=0;a<o.length;++a)t[a]=be(o[a]);return this.makeOutput(t,e.shape,"float32")},r.prototype.asinh=function(e){ft(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){ft(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){ft(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){ft(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),ft(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){ft([e,t],"conv2d");for(var a=o.filterHeight,i=o.filterWidth,s=o.dilationHeight,u=o.dilationWidth,f=o.padInfo.left,E=o.padInfo.top,I=o.dataFormat==="channelsLast",P=jt(o.outShape,e.dtype),G=e.strides[0],oe=I?e.strides[1]:e.strides[2],ue=I?e.strides[2]:1,ie=I?1:e.strides[1],ce=P.strides[0],ye=I?P.strides[1]:P.strides[2],we=I?P.strides[2]:1,Ee=I?1:P.strides[1],Se=this.readSync(e.dataId),Me=this.readSync(t.dataId),He=P.values,Fe=0;Fe<o.batchSize;++Fe)for(var je=Fe*G,Ue=Fe*ce,Ze=0;Ze<o.outHeight;++Ze)for(var Je=Ue+Ze*ye,dt=Ze*o.strideHeight-E,ct=0;ct<a;ct++){var st=dt+ct*s;if(!(st<0||st>=o.inHeight))for(var pt=ct*t.strides[0],ht=je+st*oe,ut=0;ut<o.outWidth;++ut)for(var gt=Je+ut*we,yt=ut*o.strideWidth-f,Ot=0;Ot<i;Ot++){var Mt=yt+Ot*u;if(!(Mt<0||Mt>=o.inWidth))for(var Pt=ht+Mt*ue,Kt=pt+Ot*t.strides[1],Yt=0;Yt<o.inChannels;++Yt){for(var $t=Se[Pt+Yt*ie],ar=0;ar<o.outChannels;++ar)He[gt+ar*Ee]+=$t*Me[Kt+ar];Kt+=o.outChannels}}}return P.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,E=o.dilationWidth,I=o.padInfo.front,P=o.padInfo.left,G=o.padInfo.top,oe=jt(o.outShape,e.dtype),ue=this.readSync(e.dataId),ie=this.readSync(t.dataId),ce=oe.values,ye=0;ye<o.batchSize;++ye)for(var we=ye*e.strides[0],Ee=ye*oe.strides[0],Se=0;Se<o.outDepth;++Se)for(var Me=Ee+Se*oe.strides[1],He=Se*o.strideDepth-I,Fe=0;Fe<a;Fe++){var je=He+Fe*u;if(!(je<0||je>=o.inDepth))for(var Ue=Fe*t.strides[0],Ze=we+je*e.strides[1],Je=0;Je<o.outHeight;++Je)for(var dt=Me+Je*oe.strides[2],ct=Je*o.strideHeight-G,st=0;st<i;st++){var pt=ct+st*f;if(!(pt<0||pt>=o.inHeight))for(var ht=Ue+st*t.strides[1],ut=Ze+pt*e.strides[2],gt=0;gt<o.outWidth;++gt)for(var yt=dt+gt*o.outChannels,Ot=gt*o.strideWidth-P,Mt=0;Mt<s;Mt++){var Pt=Ot+Mt*E;if(!(Pt<0||Pt>=o.inWidth))for(var Kt=ht+Mt*t.strides[2],Yt=ut+Pt*o.inChannels,$t=Kt,ar=0;ar<o.inChannels;++ar){for(var er=ue[Yt+ar],ir=0;ir<o.outChannels;++ir)ce[yt+ir]+=er*ie[$t+ir];$t+=o.outChannels}}}}return oe.toTensor()},r.prototype.conv2dDerInput=function(e,t,o){ft([e,t],"conv2dDerInput");for(var a=jt(o.inShape,"float32"),i=a.values,s=this.readSync(e.dataId),u=this.readSync(t.dataId),f=t.strides,E=f[0],I=f[1],P=f[2],G=o.batchSize,oe=o.filterHeight,ue=o.filterWidth,ie=o.inChannels,ce=o.inHeight,ye=o.inWidth,we=o.outChannels,Ee=o.outHeight,Se=o.outWidth,Me=o.strideHeight,He=o.strideWidth,Fe=o.dataFormat,je=oe-1-o.padInfo.top,Ue=ue-1-o.padInfo.left,Ze=Fe==="channelsLast",Je=a.strides[0],dt=Ze?a.strides[1]:a.strides[2],ct=Ze?a.strides[2]:1,st=Ze?1:a.strides[1],pt=e.strides[0],ht=Ze?e.strides[1]:e.strides[2],ut=Ze?e.strides[2]:1,gt=Ze?1:e.strides[1],yt=0;yt<G;++yt)for(var Ot=0;Ot<ie;++Ot)for(var Mt=0;Mt<ce;++Mt)for(var Pt=Mt-je,Kt=Math.max(0,Math.ceil(Pt/Me)),Yt=Math.min(Ee,(oe+Pt)/Me),$t=0;$t<ye;++$t){for(var ar=$t-Ue,er=Math.max(0,Math.ceil(ar/He)),ir=Math.min(Se,(ue+ar)/He),Fr=0,tr=Kt;tr<Yt;++tr)for(var Er=tr*Me-Pt,fr=er;fr<ir;++fr)for(var jr=pt*yt+ht*tr+ut*fr,Mr=E*(oe-1-Er)+I*(ue-1-(fr*He-ar))+P*Ot,Pr=0;Pr<we;++Pr)Fr+=s[jr+gt*Pr]*u[Mr+Pr];i[Je*yt+dt*Mt+ct*$t+st*Ot]=Fr}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],E=s[2],I=s[3],P=this.readSync(e.dataId),G=e.strides,oe=G[0],ue=G[1],ie=G[2],ce=G[3],ye=this.readSync(t.dataId),we=t.strides,Ee=we[0],Se=we[1],Me=we[2],He=we[3],Fe=o.batchSize,je=o.filterDepth,Ue=o.filterHeight,Ze=o.filterWidth,Je=o.inChannels,dt=o.inDepth,ct=o.inHeight,st=o.inWidth,pt=o.outChannels,ht=o.outDepth,ut=o.outHeight,gt=o.outWidth,yt=o.strideDepth,Ot=o.strideHeight,Mt=o.strideWidth,Pt=je-1-o.padInfo.front,Kt=Ue-1-o.padInfo.top,Yt=Ze-1-o.padInfo.left,$t=0;$t<Fe;++$t)for(var ar=0;ar<Je;++ar)for(var er=0;er<dt;++er)for(var ir=er-Pt,Fr=Math.max(0,Math.ceil(ir/yt)),tr=Math.min(ht,(je+ir)/yt),Er=0;Er<ct;++Er)for(var fr=Er-Kt,jr=Math.max(0,Math.ceil(fr/Ot)),Mr=Math.min(ut,(Ue+fr)/Ot),Pr=0;Pr<st;++Pr){for(var zn=Pr-Yt,Gn=Math.max(0,Math.ceil(zn/Mt)),mn=Math.min(gt,(Ze+zn)/Mt),Fa=0,io=Fr;io<tr;++io)for(var Do=io*yt-ir,so=jr;so<Mr;++so)for(var Ba=so*Ot-fr,uo=Gn;uo<mn;++uo)for(var Vu=oe*$t+ue*io+ie*so+ce*uo,Ua=Ee*(je-1-Do)+Se*(Ue-1-Ba)+Me*(Ze-1-(uo*Mt-zn))+He*ar,Vn=0;Vn<pt;++Vn)Fa+=P[Vu+Vn]*ye[Ua+Vn];i[u*$t+f*er+E*Er+I*Pr+ar]=Fa}return a.toTensor()},r.prototype.conv2dDerFilter=function(e,t,o){ft([e,t],"conv2dDerFilter");for(var a=o.strideHeight,i=o.strideWidth,s=o.filterHeight,u=o.filterWidth,f=o.dataFormat==="channelsLast",E=jt(o.filterShape,"float32"),I=o.padInfo.left,P=o.padInfo.top,G=this.bufferSync(e),oe=this.bufferSync(t),ue=0;ue<s;++ue)for(var ie=Math.max(0,Math.ceil((P-ue)/a)),ce=Math.min(o.outHeight,(o.inHeight+P-ue)/a),ye=0;ye<u;++ye)for(var we=Math.max(0,Math.ceil((I-ye)/i)),Ee=Math.min(o.outWidth,(o.inWidth+I-ye)/i),Se=0;Se<o.inChannels;++Se)for(var Me=0;Me<o.outChannels;++Me){for(var He=0,Fe=0;Fe<o.batchSize;++Fe)for(var je=ie;je<ce;++je)for(var Ue=ue+je*a-P,Ze=we;Ze<Ee;++Ze){var Je=ye+Ze*i-I;He+=f?G.get(Fe,Ue,Je,Se)*oe.get(Fe,je,Ze,Me):G.get(Fe,Se,Ue,Je)*oe.get(Fe,Me,je,Ze)}E.set(He,ue,ye,Se,Me)}return E.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,E=o.filterWidth,I=jt(o.filterShape,"float32"),P=I.values,G=I.strides,oe=G[0],ue=G[1],ie=G[2],ce=G[3],ye=this.readSync(t.dataId),we=t.strides,Ee=we[0],Se=we[1],Me=we[2],He=we[3],Fe=this.readSync(e.dataId),je=e.strides,Ue=je[0],Ze=je[1],Je=je[2],dt=je[3],ct=o.padInfo.front,st=o.padInfo.left,pt=o.padInfo.top,ht=0;ht<u;++ht)for(var ut=Math.max(0,Math.ceil((ct-ht)/a)),gt=Math.min(o.outDepth,(o.inDepth+ct-ht)/a),yt=ht*oe,Ot=0;Ot<f;++Ot)for(var Mt=Math.max(0,Math.ceil((pt-Ot)/i)),Pt=Math.min(o.outHeight,(o.inHeight+pt-Ot)/i),Kt=Ot*ue+yt,Yt=0;Yt<E;++Yt)for(var $t=Math.max(0,Math.ceil((st-Yt)/s)),ar=Math.min(o.outWidth,(o.inWidth+st-Yt)/s),er=Yt*ie+Kt,ir=0;ir<o.inChannels;++ir)for(var Fr=ir*ce+er,tr=0;tr<o.outChannels;++tr){for(var Er=0,fr=0;fr<o.batchSize;++fr)for(var jr=fr*Ue,Mr=fr*Ee,Pr=ut;Pr<gt;++Pr)for(var zn=(ht+Pr*a-ct)*Ze+jr,Gn=Pr*Se+Mr,mn=Mt;mn<Pt;++mn)for(var Fa=(Ot+mn*i-pt)*Je+zn,io=mn*Me+Gn,Do=$t;Do<ar;++Do){var so=Do*He+io;Er+=Fe[(Yt+Do*s-st)*dt+Fa+ir]*ye[so+tr]}P[Fr+tr]=Er}return I.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){ft([e,t],"depthwiseConv2D");for(var a=o.filterHeight,i=o.filterWidth,s=o.dilationHeight,u=o.dilationWidth,f=o.padInfo.left,E=o.padInfo.top,I=o.outChannels/o.inChannels,P=jt(o.outShape,e.dtype),G=this.readSync(e.dataId),oe=this.readSync(t.dataId),ue=P.values,ie=0;ie<o.batchSize;++ie)for(var ce=ie*e.strides[0],ye=ie*P.strides[0],we=0;we<o.outHeight;++we)for(var Ee=ye+we*P.strides[1],Se=we*o.strideHeight-f,Me=0;Me<a;++Me){var He=Se+Me*s;if(!(He<0||He>=o.inHeight))for(var Fe=Me*t.strides[0],je=ce+He*e.strides[1],Ue=0;Ue<o.outWidth;++Ue)for(var Ze=Ee+Ue*P.strides[2],Je=Ue*o.strideWidth-E,dt=0;dt<i;++dt){var ct=Je+dt*u;if(!(ct<0||ct>=o.inWidth))for(var st=Fe+dt*t.strides[1],pt=je+ct*o.inChannels,ht=Ze,ut=st,gt=0;gt<o.inChannels;++gt){for(var yt=G[pt+gt],Ot=0;Ot<I;++Ot)ue[ht+Ot]+=yt*oe[ut+Ot];ht+=I,ut+=I}}}return P.toTensor()},r.prototype.depthwiseConv2DDerInput=function(e,t,o){ft([e,t],"depthwiseConv2DDerInput");for(var a=jt(o.inShape,"float32"),i=a.values,s=a.strides,u=s[0],f=s[1],E=s[2],I=this.readSync(e.dataId),P=e.strides,G=P[0],oe=P[1],ue=P[2],ie=this.readSync(t.dataId),ce=t.strides,ye=ce[0],we=ce[1],Ee=ce[2],Se=o.batchSize,Me=o.filterHeight,He=o.filterWidth,Fe=o.inChannels,je=o.inHeight,Ue=o.inWidth,Ze=o.outChannels,Je=o.outHeight,dt=o.outWidth,ct=o.strideHeight,st=o.strideWidth,pt=Me-1-o.padInfo.top,ht=He-1-o.padInfo.left,ut=Ze/Fe,gt=0;gt<Se;++gt)for(var yt=0;yt<Fe;++yt)for(var Ot=0;Ot<je;++Ot)for(var Mt=Ot-pt,Pt=Math.max(0,Math.ceil(Mt/ct)),Kt=Math.min(Je,(Me+Mt)/ct),Yt=0;Yt<Ue;++Yt){for(var $t=Yt-ht,ar=Math.max(0,Math.ceil($t/st)),er=Math.min(dt,(He+$t)/st),ir=0,Fr=Pt;Fr<Kt;++Fr)for(var tr=Fr*ct-Mt,Er=ar;Er<er;++Er)for(var fr=G*gt+oe*Fr+ue*Er,jr=ye*(Me-1-tr)+we*(He-1-(Er*st-$t))+Ee*yt,Mr=0;Mr<ut;++Mr)ir+=I[fr+(yt*ut+Mr)]*ie[jr+Mr];i[u*gt+f*Ot+E*Yt+yt]=ir}return a.toTensor()},r.prototype.depthwiseConv2DDerFilter=function(e,t,o){ft([e,t],"depthwiseConv2DDerFilter");for(var a=o.strideHeight,i=o.strideWidth,s=o.filterHeight,u=o.filterWidth,f=jt(o.filterShape,"float32"),E=o.padInfo.left,I=o.padInfo.top,P=o.outChannels/o.inChannels,G=this.bufferSync(e),oe=this.bufferSync(t),ue=0;ue<s;++ue)for(var ie=Math.max(0,Math.ceil((I-ue)/a)),ce=Math.min(o.outHeight,(o.inHeight+I-ue)/a),ye=0;ye<u;++ye)for(var we=Math.max(0,Math.ceil((E-ye)/i)),Ee=Math.min(o.outWidth,(o.inWidth+E-ye)/i),Se=0;Se<o.outChannels;++Se){for(var Me=Math.trunc(Se/P),He=Se%P,Fe=0,je=0;je<o.batchSize;++je)for(var Ue=ie;Ue<ce;++Ue)for(var Ze=ue+Ue*a-I,Je=we;Je<Ee;++Je){var dt=ye+Je*i-E;Fe+=G.get(je,Ze,dt,Me)*oe.get(je,Ue,Je,Se)}f.set(Fe,ue,ye,Me,He)}return f.toTensor()},r.prototype.tile=function(e,t){return ft(e,"tile"),os(this.bufferSync(e),t)},r.prototype.pad=function(e,t,o){ft(e,"pad");var a=t.map(function(P,G){return P[0]+e.shape[G]+P[1]}),i=t.map(function(P){return P[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 E=s.indexToLoc(f),I=E.map(function(P,G){return P+i[G]});u.set.apply(u,[s.get.apply(s,E)].concat(I))}return u.toTensor()},r.prototype.transpose=function(e,t){ft(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),E=new Array(f.length),I=0;I<E.length;I++)E[I]=f[t[I]];var P=s.locToIndex(E);s.values[P]=i[a]}return s.toTensor()},r.prototype.gather=function(e,t,o){ft([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 E=s.indexToLoc(f),I=E.slice();I[o]=i[E[o]];var P=u.locToIndex(I);s.values[f]=u.values[P]}return s.toTensor()},r.prototype.batchToSpaceND=function(e,t,o){ft([e],"batchToSpaceND");var a=t.reduce(function(I,P){return I*P}),i=Wo(e.shape,t,a),s=qt(i.length,t.length),u=wa(e.shape,t,a),f=Gs(o,t.length),E=Vs(u,o,t.length);return e.reshape(i).transpose(s).reshape(u).slice(f,E)},r.prototype.spaceToBatchND=function(e,t,o){ft([e],"spaceToBatchND");var a=t.reduce(function(P,G){return P*G}),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),E=qt(f.length,t.length,!1),I=wa(u.shape,t,a,!1);return u.reshape(f).transpose(E).reshape(I)},r.prototype.pool=function(e,t,o){ft(e,"pool");for(var a=t.strideHeight,i=t.strideWidth,s=t.dilationHeight,u=t.dilationWidth,f=t.effectiveFilterHeight,E=t.effectiveFilterWidth,I=t.padInfo.top,P=t.padInfo.left,G=o==="max"?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,oe=this.readSync(e.dataId),ue=jt(t.outShape,e.dtype),ie=ue.values,ce=t.outShape[1]*t.outShape[2]*t.outShape[3],ye=t.outShape[2]*t.outShape[3],we=t.outShape[3],Ee=0;Ee<t.batchSize;++Ee)for(var Se=Ee*ce,Me=Ee*e.strides[0],He=0;He<t.inChannels;++He)for(var Fe=0;Fe<t.outHeight;++Fe)for(var je=Fe*a-I,Ue=Math.max(0,je),Ze=Math.min(t.inHeight,f+je),Je=Se+Fe*ye,dt=0;dt<t.outWidth;++dt){for(var ct=dt*i-P,st=Math.max(0,ct),pt=Math.min(t.inWidth,E+ct),ht=G,ut=0,gt=0,yt=Ue;yt<Ze;yt+=s){for(var Ot=Me+yt*e.strides[1],Mt=st;Mt<pt;Mt+=u){var Pt=oe[Ot+Mt*e.strides[2]+He];o==="max"&&Pt>ht?ht=Pt:o==="avg"&&(ut+=Pt,gt++)}if(isNaN(ht))break}ie[Je+dt*we+He]=o==="avg"?ut/gt:ht}return ue.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,E=t.effectiveFilterWidth,I=t.padInfo.top,P=t.padInfo.left,G=this.bufferSync(e),oe=0;oe<t.batchSize;++oe)for(var ue=0;ue<t.inChannels;++ue)for(var ie=0;ie<t.outHeight;++ie){for(var ce=ie*a-I,ye=ce;ye<0;)ye+=s;for(var we=Math.min(t.inHeight,f+ce),Ee=0;Ee<t.outWidth;++Ee){for(var Se=Ee*i-P,Me=Se;Me<0;)Me+=u;for(var He=Math.min(t.inWidth,E+Se),Fe=Number.NEGATIVE_INFINITY,je=-1,Ue=ye;Ue<we;Ue+=s)for(var Ze=Ue-ce,Je=Me;Je<He;Je+=u){var dt=Je-Se,ct=G.get(oe,Ue,Je,ue);ct>Fe&&(Fe=ct,je=Ze*E+dt)}o.set(je,oe,ie,Ee,ue)}}return o.toTensor()},r.prototype.maxPoolBackprop=function(e,t,o,a){ft([t,o],"maxPoolBackprop");for(var i=this.maxPoolPositions(t,a),s=a.strideHeight,u=a.strideWidth,f=a.dilationHeight,E=a.dilationWidth,I=a.effectiveFilterHeight,P=a.effectiveFilterWidth,G=P-1-a.padInfo.left,oe=I-1-a.padInfo.top,ue=jt(t.shape,"float32"),ie=this.bufferSync(i),ce=this.bufferSync(e),ye=0;ye<a.batchSize;++ye)for(var we=0;we<a.inChannels;++we)for(var Ee=0;Ee<a.inHeight;++Ee)for(var Se=0;Se<a.inWidth;++Se){for(var Me=Ee-oe,He=Se-G,Fe=0,je=0;je<I;je+=f){var Ue=(Me+je)/s;if(!(Ue<0||Ue>=a.outHeight||Math.floor(Ue)!==Ue))for(var Ze=0;Ze<P;Ze+=E){var Je=(He+Ze)/u;if(!(Je<0||Je>=a.outWidth||Math.floor(Je)!==Je)){var dt=I*P-1-ie.get(ye,Ue,Je,we)===je*P+Ze?1:0;dt!==0&&(Fe+=ce.get(ye,Ue,Je,we)*dt)}}}ue.set(Fe,ye,Ee,Se,we)}return ue.toTensor()},r.prototype.avgPoolBackprop=function(e,t,o){ft([e,t],"avgPoolBackprop");for(var a=o.strideHeight,i=o.strideWidth,s=o.filterHeight,u=o.filterWidth,f=o.dilationHeight,E=o.dilationWidth,I=o.effectiveFilterHeight,P=o.effectiveFilterWidth,G=P-1-o.padInfo.left,oe=I-1-o.padInfo.top,ue=jt(t.shape,"float32"),ie=1/(s*u),ce=this.bufferSync(e),ye=0;ye<o.batchSize;++ye)for(var we=0;we<o.inChannels;++we)for(var Ee=0;Ee<o.inHeight;++Ee)for(var Se=0;Se<o.inWidth;++Se){for(var Me=Ee-oe,He=Se-G,Fe=0,je=0;je<I;je+=f){var Ue=(Me+je)/a;if(!(Ue<0||Ue>=o.outHeight||Math.floor(Ue)!==Ue))for(var Ze=0;Ze<P;Ze+=E){var Je=(He+Ze)/i;Je<0||Je>=o.outWidth||Math.floor(Je)!==Je||(Fe+=ce.get(ye,Ue,Je,we))}}ue.set(Fe*ie,ye,Ee,Se,we)}return ue.toTensor()},r.prototype.pool3d=function(e,t,o){ft(e,"pool3d");for(var a=t.strideDepth,i=t.strideHeight,s=t.strideWidth,u=t.dilationDepth,f=t.dilationHeight,E=t.dilationWidth,I=t.effectiveFilterDepth,P=t.effectiveFilterHeight,G=t.effectiveFilterWidth,oe=t.padInfo.front,ue=t.padInfo.top,ie=t.padInfo.left,ce=o==="max"?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,ye=this.readSync(e.dataId),we=jt(t.outShape,e.dtype),Ee=we.values,Se=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],Fe=t.outShape[4],je=0;je<t.batchSize;++je)for(var Ue=je*Se,Ze=je*e.strides[0],Je=0;Je<t.inChannels;++Je)for(var dt=0;dt<t.outDepth;++dt){for(var ct=dt*a-oe,st=ct;st<0;)st+=u;for(var pt=Math.min(t.inDepth,I+ct),ht=Ue+dt*Me,ut=0;ut<t.outHeight;++ut){for(var gt=ut*i-ue,yt=gt;yt<0;)yt+=f;for(var Ot=Math.min(t.inHeight,P+gt),Mt=ht+ut*He,Pt=0;Pt<t.outWidth;++Pt){for(var Kt=Pt*s-ie,Yt=Kt;Yt<0;)Yt+=E;for(var $t=Math.min(t.inWidth,G+Kt),ar=Mt+Pt*Fe,er=ce,ir=0,Fr=0,tr=st;tr<pt;tr+=u){for(var Er=Ze+tr*e.strides[1],fr=yt;fr<Ot;fr+=f){for(var jr=Er+fr*e.strides[2],Mr=Yt;Mr<$t;Mr+=E){var Pr=ye[jr+Mr*e.strides[3]+Je];if(o==="max"&&Pr>er?er=Pr:o==="avg"&&(ir+=Pr,Fr++),isNaN(er))break}if(isNaN(er))break}if(isNaN(er))break}Ee[ar+Je]=o==="avg"?ir/Fr:er}}}return we.toTensor()},r.prototype.avgPool3d=function(e,t){return ft(e,"avgPool3d"),this.pool3d(e,t,"avg").toFloat()},r.prototype.avgPool3dBackprop=function(e,t,o){ft([e,t],"avgPool3dBackprop");for(var a=o.strideDepth,i=o.strideHeight,s=o.strideWidth,u=o.filterDepth,f=o.filterHeight,E=o.filterWidth,I=o.dilationDepth,P=o.dilationHeight,G=o.dilationWidth,oe=o.effectiveFilterDepth,ue=o.effectiveFilterHeight,ie=o.effectiveFilterWidth,ce=oe-1-o.padInfo.front,ye=ie-1-o.padInfo.left,we=ue-1-o.padInfo.top,Ee=jt(t.shape,"float32"),Se=1/(u*f*E),Me=this.bufferSync(e),He=0;He<o.batchSize;++He)for(var Fe=0;Fe<o.inChannels;++Fe)for(var je=0;je<o.inDepth;++je)for(var Ue=0;Ue<o.inHeight;++Ue)for(var Ze=0;Ze<o.inWidth;++Ze){for(var Je=je-ce,dt=Ue-we,ct=Ze-ye,st=0,pt=0;pt<oe;pt+=I){var ht=(Je+pt)/a;if(!(ht<0||ht>=o.outDepth||Math.floor(ht)!==ht))for(var ut=0;ut<ue;ut+=P){var gt=(dt+ut)/i;if(!(gt<0||gt>=o.outHeight||Math.floor(gt)!==gt))for(var yt=0;yt<ie;yt+=G){var Ot=(ct+yt)/s;Ot<0||Ot>=o.outWidth||Math.floor(Ot)!==Ot||(st+=Me.get(He,ht,gt,Ot,Fe))}}}Ee.set(st*Se,He,je,Ue,Ze,Fe)}return Ee.toTensor()},r.prototype.maxPool3d=function(e,t){return ft(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,E=t.dilationWidth,I=t.effectiveFilterDepth,P=t.effectiveFilterHeight,G=t.effectiveFilterWidth,oe=t.padInfo.front,ue=t.padInfo.top,ie=t.padInfo.left,ce=this.bufferSync(e),ye=0;ye<t.batchSize;++ye)for(var we=0;we<t.inChannels;++we)for(var Ee=0;Ee<t.outDepth;++Ee){for(var Se=Ee*a-oe,Me=Se;Me<0;)Me+=u;for(var He=Math.min(t.inDepth,I+Se),Fe=0;Fe<t.outHeight;++Fe){for(var je=Fe*i-ue,Ue=je;Ue<0;)Ue+=f;for(var Ze=Math.min(t.inHeight,P+je),Je=0;Je<t.outWidth;++Je){for(var dt=Je*s-ie,ct=dt;ct<0;)ct+=E;for(var st=Math.min(t.inWidth,G+dt),pt=Number.NEGATIVE_INFINITY,ht=-1,ut=Me;ut<He;ut+=u)for(var gt=ut-Se,yt=Ue;yt<Ze;yt+=f)for(var Ot=yt-je,Mt=ct;Mt<st;Mt+=E){var Pt=Mt-dt,Kt=ce.get(ye,ut,yt,Mt,we);Kt>=pt&&(pt=Kt,ht=gt*P*G+Ot*P+Pt)}o.set(ht,ye,Ee,Fe,Je,we)}}}return o.toTensor()},r.prototype.maxPool3dBackprop=function(e,t,o,a){ft([t,o],"maxPool3dBackprop");for(var i=this.maxPool3dPositions(t,a),s=a.strideDepth,u=a.strideHeight,f=a.strideWidth,E=a.dilationDepth,I=a.dilationHeight,P=a.dilationWidth,G=a.effectiveFilterDepth,oe=a.effectiveFilterHeight,ue=a.effectiveFilterWidth,ie=G-1-a.padInfo.front,ce=ue-1-a.padInfo.left,ye=oe-1-a.padInfo.top,we=jt(t.shape,"float32"),Ee=this.bufferSync(i),Se=this.bufferSync(e),Me=0;Me<a.batchSize;++Me)for(var He=0;He<a.inChannels;++He)for(var Fe=0;Fe<a.inDepth;++Fe)for(var je=0;je<a.inHeight;++je)for(var Ue=0;Ue<a.inWidth;++Ue){for(var Ze=Fe-ie,Je=je-ye,dt=Ue-ce,ct=0,st=0;st<G;st+=E){var pt=(Ze+st)/s;if(!(pt<0||pt>=a.outDepth||Math.floor(pt)!==pt))for(var ht=0;ht<oe;ht+=I){var ut=(Je+ht)/u;if(!(ut<0||ut>=a.outHeight||Math.floor(ut)!==ut))for(var gt=0;gt<ue;gt+=P){var yt=(dt+gt)/f;if(!(yt<0||yt>=a.outWidth||Math.floor(yt)!==yt)){var Ot=G*oe*ue-1-Ee.get(Me,pt,ut,yt,He)===st*oe*ue+ht*ue+gt?1:0;Ot!==0&&(ct+=Se.get(Me,pt,ut,yt,He)*Ot)}}}}we.set(ct,Me,Fe,je,Ue,He)}return we.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 ft(e,"avgPool"),this.pool(e,t,"avg").toFloat()},r.prototype.resizeBilinear=function(e,t,o,a){ft(e,"resizeBilinear");for(var i=e.shape,s=i[0],u=i[1],f=i[2],E=i[3],I=this.readSync(e.dataId),P=new Float32Array(le([s,t,o,E])),G=[a&&t>1?u-1:u,a&&o>1?f-1:f],oe=[a&&t>1?t-1:t,a&&o>1?o-1:o],ue=0,ie=G[0]/oe[0],ce=G[1]/oe[1],ye=0;ye<s;ye++)for(var we=0;we<t;we++)for(var Ee=ie*we,Se=Math.floor(Ee),Me=Ee-Se,He=Math.min(u-1,Math.ceil(Ee)),Fe=ye*e.strides[0]+Se*e.strides[1],je=ye*e.strides[0]+He*e.strides[1],Ue=0;Ue<o;Ue++)for(var Ze=ce*Ue,Je=Math.floor(Ze),dt=Ze-Je,ct=Math.min(f-1,Math.ceil(Ze)),st=Fe+Je*e.strides[2],pt=je+Je*e.strides[2],ht=Fe+ct*e.strides[2],ut=je+ct*e.strides[2],gt=0;gt<E;gt++){var yt=I[st+gt],Ot=I[pt+gt],Mt=yt+(I[ht+gt]-yt)*dt,Pt=Mt+(Ot+(I[ut+gt]-Ot)*dt-Mt)*Me;P[ue++]=Pt}return Ur(P,[s,t,o,E])},r.prototype.resizeBilinearBackprop=function(e,t,o){ft([e,t],"resizeBilinearBackprop");for(var a=t.shape,i=a[0],s=a[1],u=a[2],f=a[3],E=e.shape,I=E[1],P=E[2],G=new Float32Array(i*s*u*f),oe=[o&&I>1?s-1:s,o&&P>1?u-1:u],ue=[o&&I>1?I-1:I,o&&P>1?P-1:P],ie=oe[0]/ue[0],ce=oe[1]/ue[1],ye=this.readSync(e.dataId),we=0,Ee=0;Ee<i;Ee++)for(var Se=Ee*t.strides[0],Me=0;Me<I;Me++)for(var He=Me*ie,Fe=Math.floor(He),je=Math.min(Math.ceil(He),s-1),Ue=Se+Fe*t.strides[1],Ze=Se+je*t.strides[1],Je=He-Fe,dt=1-Je,ct=0;ct<P;ct++)for(var st=ct*ce,pt=Math.floor(st),ht=Math.min(Math.ceil(st),u-1),ut=st-pt,gt=1-ut,yt=Ue+pt*t.strides[2],Ot=Ue+ht*t.strides[2],Mt=Ze+pt*t.strides[2],Pt=Ze+ht*t.strides[2],Kt=dt*gt,Yt=dt*ut,$t=Je*gt,ar=Je*ut,er=0;er<f;er++){var ir=ye[we++];G[yt+er]+=ir*Kt,G[Ot+er]+=ir*Yt,G[Mt+er]+=ir*$t,G[Pt+er]+=ir*ar}return kn(G,[i,u,s,f],t.dtype)},r.prototype.resizeNearestNeighbor=function(e,t,o,a){ft(e,"resizeNearestNeighbor");for(var i=e.shape,s=i[0],u=i[1],f=i[2],E=i[3],I=this.readSync(e.dataId),P=new Float32Array(s*t*o*E),G=[a&&t>1?u-1:u,a&&o>1?f-1:f],oe=[a&&t>1?t-1:t,a&&o>1?o-1:o],ue=G[0]/oe[0],ie=G[1]/oe[1],ce=0,ye=0;ye<s;ye++)for(var we=ye*e.strides[0],Ee=0;Ee<t;Ee++)for(var Se=ue*Ee,Me=we+Math.min(u-1,a?Math.round(Se):Math.floor(Se))*e.strides[1],He=0;He<o;He++)for(var Fe=ie*He,je=Me+Math.min(f-1,a?Math.round(Fe):Math.floor(Fe))*e.strides[2],Ue=0;Ue<E;Ue++){var Ze=I[je+Ue];P[ce++]=Ze}return Ur(P,[s,t,o,E],e.dtype)},r.prototype.resizeNearestNeighborBackprop=function(e,t,o){ft([e,t],"resizeNearestNeighborBackprop");for(var a=t.shape,i=a[0],s=a[1],u=a[2],f=a[3],E=e.shape,I=E[1],P=E[2],G=new Float32Array(i*s*u*f),oe=this.readSync(e.dataId),ue=[o&&I>1?s-1:s,o&&P>1?u-1:u],ie=[o&&I>1?I-1:I,o&&P>1?P-1:P],ce=ue[0]/ie[0],ye=ue[1]/ie[1],we=1/ce,Ee=1/ye,Se=2*Math.ceil(we)+2,Me=2*Math.ceil(Ee)+2,He=0;He<i;He++)for(var Fe=He*t.strides[0],je=0;je<s;je++)for(var Ue=Fe+je*t.strides[1],Ze=Math.floor(je*we),Je=Math.floor(Ze-Se/2),dt=0;dt<u;dt++)for(var ct=Ue+dt*t.strides[2],st=Math.floor(dt*Ee),pt=Math.floor(st-Me/2),ht=0;ht<f;ht++){for(var ut=0,gt=0;gt<Se;gt++){var yt=gt+Je;if(!(yt<0||yt>=I)){var Ot=Fe+yt*e.strides[1],Mt=yt*ce;if(je===Math.min(s-1,o?Math.round(Mt):Math.floor(Mt)))for(var Pt=0;Pt<Me;Pt++){var Kt=Pt+pt;if(!(Kt<0||Kt>=P)){var Yt=Ot+Kt*e.strides[2],$t=Kt*ye;dt===Math.min(u-1,o?Math.round($t):Math.floor($t))&&(ut+=oe[Yt+ht])}}}}G[ct+ht]=ut}return kn(G,t.shape,t.dtype)},r.prototype.batchNormalization=function(e,t,o,a,i,s){ft([e,t,o,i,s],"batchNorm");for(var u=this.readSync(e.dataId),f=this.readSync(t.dataId),E=this.readSync(o.dataId),I=i?this.readSync(i.dataId):new Float32Array([1]),P=s?this.readSync(s.dataId):new Float32Array([0]),G=new Float32Array(u.length),oe=P.length,ue=I.length,ie=E.length,ce=f.length,ye=0,we=0,Ee=0,Se=0,Me=0;Me<u.length;++Me)G[Me]=P[ye++]+(u[Me]-f[we++])*I[Ee++]/Math.sqrt(E[Se++]+a),ye>=oe&&(ye=0),we>=ce&&(we=0),Ee>=ue&&(Ee=0),Se>=ie&&(Se=0);return kn(G,e.shape)},r.prototype.localResponseNormalization4D=function(e,t,o,a,i){ft(e,"localResponseNormalization4D");var s=e.shape[3],u=s-1,f=this.readSync(e.dataId),E=e.size,I=new Float32Array(E);function P(ie){for(var ce=ie%s,ye=ie-ce+Math.max(0,ce-t),we=ie-ce+Math.min(ce+t,u),Ee=0;ye<=we;ye++){var Se=f[ye];Ee+=Se*Se}return Ee}for(var G=0;G<E;G++){var oe=P(G),ue=f[G]*Math.pow(o+a*oe,-i);I[G]=ue}return kn(I,e.shape)},r.prototype.LRNGrad=function(e,t,o,a,i,s,u){ft(e,"LRNGrad");for(var f=e.shape[3],E=this.readSync(e.dataId),I=this.readSync(t.dataId),P=this.readSync(o.dataId),G=new Float32Array(e.size),oe=e.size,ue=0;ue<oe;ue++){for(var ie=ue%f,ce=ue-ie+Math.max(0,ie-a),ye=ue-ie+Math.min(f,ie+a+1),we=0,Ee=ce;Ee<ye;Ee++)we+=Math.pow(I[Ee],2);for(we=s*we+i,Ee=ce;Ee<ye;Ee++){var Se=-2*s*u*I[Ee]*P[ue]/we;ue===Ee&&(Se+=Math.pow(we,-u)),Se*=E[ue],G[Ee]+=Se}}return kn(G,e.shape)},r.prototype.multinomial=function(e,t,o,a){ft(e,"multinomial");for(var i=t?e:zo(e),s=i.shape[0],u=i.shape[1],f=Tr([s,o],"int32"),E=this.readSync(f.dataId),I=this.readSync(i.dataId),P=0;P<s;++P){var G=P*u,oe=new Float32Array(u-1);oe[0]=I[G];for(var ue=1;ue<oe.length;++ue)oe[ue]=oe[ue-1]+I[G+ue];for(var ie=Uo(a.toString()),ce=P*o,ye=0;ye<o;++ye){var we=ie();E[ce+ye]=oe.length;for(var Ee=0;Ee<oe.length;Ee++)if(we<oe[Ee]){E[ce+ye]=Ee;break}}}return f},r.prototype.oneHot=function(e,t,o,a){ft(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 ft(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),E=0;E<o;E++)for(var I=u.slice([E,0],[1,a]),P=f.slice([E,0],[1,a]),G=xr(I,P),oe=this.readSync(this.fftImpl(G,t).dataId),ue=0;ue<a;ue++){var ie=es(oe,ue);i.values[E*a+ue]=ie.real,s.values[E*a+ue]=ie.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 E=new Float32Array(f.length/2),I=new Float32Array(f.length/2),P=0;P<f.length;P+=2)E[P/2]=f[P],I[P/2]=f[P+1];return{real:E,imag:I}}(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(ce){for(var ye=Math.ceil(ce.length/4),we=new Float32Array(ye),Ee=new Float32Array(ye),Se=0;Se<ce.length;Se+=4)we[Math.floor(Se/4)]=ce[Se],Ee[Math.floor(Se/4)]=ce[Se+1];return{real:we,imag:Ee}}(a),u=xr(s.real,s.imag).as1D(),f=function(ce){for(var ye=Math.floor(ce.length/4),we=new Float32Array(ye),Ee=new Float32Array(ye),Se=2;Se<ce.length;Se+=4)we[Math.floor(Se/4)]=ce[Se],Ee[Math.floor(Se/4)]=ce[Se+1];return{real:we,imag:Ee}}(a),E=xr(f.real,f.imag).as1D();u=this.fftRadix2(u,i,o),E=this.fftRadix2(E,i,o);var I=function(ce,ye){for(var we=new Float32Array(ce/2),Ee=new Float32Array(ce/2),Se=0;Se<Math.ceil(ce/2);Se++){var Me=(ye?2:-2)*Math.PI*(Se/ce);we[Se]=Math.cos(Me),Ee[Se]=Math.sin(Me)}return{real:we,imag:Ee}}(t,o),P=xr(I.real,I.imag).mul(E),G=u.add(P),oe=u.sub(P),ue=un(G).concat(un(oe)),ie=xn(G).concat(xn(oe));return xr(ue,ie).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 E=Zs(i*f,t,o),I=es(e,f);s+=I.real*E.real-I.imag*E.imag,u+=I.real*E.imag+I.imag*E.real}o&&(s/=t,u/=t),Qs(a,s,u,i)}return a},r.prototype.depthToSpace=function(e,t,o){w(o==="NHWC",function(){return"Only NHWC dataFormat supported on CPU for depthToSpace. Got "+o}),w(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,E=s*t,I=u/(t*t),P=this.readSync(e.dataId),G=new Float32Array(a*f*E*I),oe=0,ue=0;ue<a;++ue)for(var ie=0;ie<f;++ie)for(var ce=Math.floor(ie/t),ye=ie%t,we=0;we<E;++we)for(var Ee=Math.floor(we/t),Se=(ye*t+we%t)*I,Me=0;Me<I;++Me){var He=Me+Se+u*(Ee+s*(ce+i*ue));G[oe++]=P[He]}return kn(G,[a,f,E,I])},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),E=En(e.shape,i),I=En(t.shape,i),P=s.values;if(E.length+I.length===0)for(var G=0;G<P.length;++G)P[G]=a(u[G%u.length],f[G%f.length]);else{var oe=this.bufferSync(e),ue=this.bufferSync(t),ie=function(ce){var ye=s.indexToLoc(ce),we=ye.slice(-e.rank);E.forEach(function(He){return we[He]=0});var Ee=oe.locToIndex(we),Se=ye.slice(-t.rank);I.forEach(function(He){return Se[He]=0});var Me=ue.locToIndex(Se);P[ce]=a(u[Ee],f[Me])};for(G=0;G<P.length;++G)ie(G)}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),E=En(e.shape,a),I=En(t.shape,a),P=i.values,G=s.values;if(E.length+I.length===0)for(var oe=0;oe<P.length;oe++){var ue=oe%u.length,ie=oe%f.length,ce=o(u[2*ue],u[2*ue+1],f[2*ie],f[2*ie+1]);P[oe]=ce.real,G[oe]=ce.imag}else{var ye=this.bufferSync(this.data.get(e.dataId).complexTensors.real),we=this.bufferSync(this.data.get(t.dataId).complexTensors.real),Ee=function(Se){var Me=i.indexToLoc(Se),He=Me.slice(-e.rank);E.forEach(function(Je){return He[Je]=0});var Fe=ye.locToIndex(He),je=Me.slice(-t.rank);I.forEach(function(Je){return je[Je]=0});var Ue=we.locToIndex(je),Ze=o(u[2*Fe],u[2*Fe+1],f[2*Ue],f[2*Ue+1]);P[Se]=Ze.real,G[Se]=Ze.imag};for(oe=0;oe<P.length;oe++)Ee(oe)}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],E=u[1],I=u[2],P=u[3],G=t.shape[0],oe=a[0],ue=a[1],ie=jt([G,oe,ue,P],"float32"),ce=this.readSync(t.dataId),ye=this.readSync(o.dataId),we=this.readSync(e.dataId),Ee=e.strides,Se=ie.strides,Me=0;Me<G;Me++){var He=4*Me,Fe=ce[He],je=ce[He+1],Ue=ce[He+2],Ze=ce[He+3],Je=ye[Me];if(!(Je>=f))for(var dt=oe>1?(Ue-Fe)*(E-1)/(oe-1):0,ct=ue>1?(Ze-je)*(I-1)/(ue-1):0,st=0;st<oe;st++){var pt=oe>1?Fe*(E-1)+st*dt:.5*(Fe+Ue)*(E-1);if(pt<0||pt>E-1)for(var ht=0;ht<ue;ht++)for(var ut=0;ut<P;ut++){var gt=ut+ht*Se[2]+st*Se[1]+Me*Se[0];ie.values[gt]=s}else if(i==="bilinear"){var yt=Math.floor(pt),Ot=Math.ceil(pt),Mt=pt-yt;for(ht=0;ht<ue;ht++)if((tr=ue>1?je*(I-1)+ht*ct:.5*(je+Ze)*(I-1))<0||tr>I-1)for(ut=0;ut<P;ut++)gt=ut+ht*Se[2]+st*Se[1]+Me*Se[0],ie.values[gt]=s;else{var Pt=Math.floor(tr),Kt=Math.ceil(tr),Yt=tr-Pt;for(ut=0;ut<P;ut++){var $t=we[gt=ut+Pt*Ee[2]+yt*Ee[1]+Je*Ee[0]],ar=we[gt=ut+Kt*Ee[2]+yt*Ee[1]+Je*Ee[0]],er=we[gt=ut+Pt*Ee[2]+Ot*Ee[1]+Je*Ee[0]],ir=$t+(ar-$t)*Yt,Fr=er+(we[gt=ut+Kt*Ee[2]+Ot*Ee[1]+Je*Ee[0]]-er)*Yt;gt=ut+ht*Se[2]+st*Se[1]+Me*Se[0],ie.values[gt]=ir+(Fr-ir)*Mt}}}else for(ht=0;ht<ue;++ht){var tr;if((tr=ue>1?je*(I-1)+ht*ct:.5*(je+Ze)*(I-1))<0||tr>I-1)for(ut=0;ut<P;ut++)gt=ut+ht*Se[2]+st*Se[1]+Me*Se[0],ie.values[gt]=s;else{var Er=Math.round(tr),fr=Math.round(pt);for(ut=0;ut<P;ut++){var jr=ut+Er*Ee[2]+fr*Ee[1]+Je*Ee[0],Mr=ut+ht*Se[2]+st*Se[1]+Me*Se[0];ie.values[Mr]=we[jr]}}}}}return ie.toTensor()},r.prototype.sparseToDense=function(e,t,o,a){var i=Ho(0,e,o),s=i.sliceRank,u=i.numUpdates,f=i.sliceSize,E=i.strides,I=i.outputSize;return this.scatter(e,t,o,I,f,u,s,E,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],E=i[3];if(u===0)return Ur([],s,e.dtype);for(var I=new Dr([u,f],e.dtype),P=this.readSync(t.dataId),G=this.readSync(e.dataId),oe=0;oe<u;oe++){for(var ue=[],ie=0,ce=0;ce<a;ce++){var ye=P[oe*a+ce];ie+=ye*E[ce],ue.push(ye)}if(ie<0||ie>=e.size/f)throw new Error("Invalid indices: "+ue+" does not index into "+e.shape);for(var we=0;we<f;we++)I.values[oe*f+we]=G[ie*f+we]}return I.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,E=a.outputSize,I=It(0);return this.scatter(e,t,o,E,u,s,i,f,I,!0)},r.prototype.fill=function(e,t,o){var a=Ne(o=o||ot(t),le(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=Ne(e.dtype,le(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,E,I){var P=[a/i,i],G=this.readSync(e.dataId),oe=this.readSync(t.dataId);if(a===0)return Ur([],o,t.dtype);var ue=new Dr(P,t.dtype);ue.values.fill(this.readSync(E.dataId)[0]);for(var ie=0;ie<s;ie++){for(var ce=[],ye=0,we=0;we<u;we++){var Ee=G[ie*u+we];ce.push(Ee),ye+=Ee*f[we]}if(ye<0||ye>=a/i)throw new Error("Invalid indices: "+ce+" does not index into "+o);for(var Se=0;Se<i;Se++)I?ue.values[ye*i+Se]+=oe[ie*i+Se]:ue.values[ye*i+Se]=t.rank===0?oe[0]:oe[ie*i+Se]}return ue.toTensor().reshape(o)},r}(Ca);Ve.registerBackend("cpu",function(){return new wp},1);for(var Ru=0,Nl=[{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,E=s.scoreThreshold,I=s.softNmsSigma,P=e;ft(a,"NonMaxSuppressionWithScore");var G=di(P.data.get(a.dataId).values,P.data.get(i.dataId).values,u,f,E,I);return[G.selectedIndices,G.selectedScores]}},{kernelName:"Square",backendName:"cpu",kernelFunc:function(n){var r=n.inputs,e=n.backend,t=r.x,o=e;ft(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;ft([o,a],wi);var s=i.data.get(o.dataId).values,u=i.data.get(a.dataId).values,f=function(P,G,oe,ue,ie,ce){var ye=Ht(P,G),we=ye.length,Ee=$e(ye),Se=xe(ie,le(ye)),Me=P.length,He=G.length,Fe=$e(P),je=$e(G),Ue=En(P,ye),Ze=En(G,ye);if(Ue.length+Ze.length===0)for(var Je=0;Je<Se.length;++Je)Se[Je]=ce(oe[Je%oe.length],ue[Je%ue.length]);else{var dt=function(ct){var st=bt(ct,we,Ee),pt=st.slice(-Me);Ue.forEach(function(yt){return pt[yt]=0});var ht=lt(pt,Me,Fe),ut=st.slice(-He);Ze.forEach(function(yt){return ut[yt]=0});var gt=lt(ut,He,je);Se[ct]=ce(oe[ht],ue[gt])};for(Je=0;Je<Se.length;++Je)dt(Je)}return[Se,ye]}(o.shape,a.shape,s,u,o.dtype,function(P,G){var oe=P-G;return oe*oe}),E=f[0],I=f[1];return{dataId:i.write(E,I,o.dtype),shape:I,dtype:o.dtype}}}];Ru<Nl.length;Ru++)J(Nl[Ru]);for(var Na,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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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}(),Fp=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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0,void 0,function(){return v(this,function(e){return this.iterations_==null&&(this.iterations_=0),[2,{name:"iter",tensor:It(this.iterations_,"int32")}]})})},r.prototype.getWeights=function(){return x(this,void 0,void 0,function(){return v(this,function(e){throw new Error("getWeights() is not implemented for this optimizer yet.")})})},r.prototype.setWeights=function(e){return x(this,void 0,void 0,function(){return v(this,function(t){throw new Error("setWeights() is not implemented for this optimizer class "+this.getClassName())})})},r.prototype.extractIterations=function(e){return x(this,void 0,void 0,function(){var t;return v(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 A(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 E=u.mul(t.rho).add(s.square().mul(1-t.rho)),I=f.add(t.epsilon).sqrt().div(u.add(t.epsilon).sqrt()).mul(s),P=f.mul(t.rho).add(I.square().mul(1-t.rho));u.assign(E),f.assign(P);var G=I.mul(-t.learningRate).add(i);i.assign(G)})}}),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 x(this,void 0,void 0,function(){var e;return v(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 x(this,void 0,void 0,function(){var t;return v(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 A(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 E=s.div(f.add(Ve.backend.epsilon()).sqrt()).mul(-t.learningRate).add(i);i.assign(E)})}}),this.incrementIterations()},r.prototype.dispose=function(){this.accumulatedGrads!=null&&qr(this.accumulatedGrads.map(function(e){return e.variable}))},r.prototype.getWeights=function(){return x(this,void 0,void 0,function(){return v(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 x(this,void 0,void 0,function(){return v(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 A(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 E=Array.isArray(e)?e[u].tensor:e[s];if(E!=null){var I=t.accumulatedFirstMoment[u].variable,P=t.accumulatedSecondMoment[u].variable,G=I.mul(t.beta1).add(E.mul(1-t.beta1)),oe=P.mul(t.beta2).add(E.square().mul(1-t.beta2)),ue=G.div(a),ie=oe.div(i);I.assign(G),P.assign(oe);var ce=ue.div(ie.sqrt().add(t.epsilon)).mul(-t.learningRate).add(f);f.assign(ce)}}),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 x(this,void 0,void 0,function(){var e;return v(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 x(this,void 0,void 0,function(){var t,o=this;return v(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 A(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 E=Array.isArray(e)?e[u].tensor:e[s];if(E!=null){var I=t.accumulatedFirstMoment[u].variable,P=t.accumulatedWeightedInfNorm[u].variable,G=I.mul(t.beta1).add(E.mul(1-t.beta1)),oe=P.mul(t.beta2),ue=E.abs(),ie=oe.maximum(ue);I.assign(G),P.assign(ie);var ce=i.div(a).mul(G.div(ie.add(t.epsilon))).add(f);f.assign(ce)}}),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 x(this,void 0,void 0,function(){return v(this,function(e){throw new Error("getWeights() is not implemented for Adamax yet.")})})},r.prototype.setWeights=function(e){return x(this,void 0,void 0,function(){return v(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 A(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 x(this,void 0,void 0,function(){return v(this,function(e){switch(e.label){case 0:return[4,this.saveIterations()];case 1:return[2,[e.sent()]]}})})},r.prototype.setWeights=function(e){return x(this,void 0,void 0,function(){return v(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 A(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,E=t.m.mul(s).add(u);f=t.useNesterov?t.c.mul(u.add(E.mul(t.m))).add(i):t.c.mul(E).add(i),s.assign(E),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 x(this,void 0,void 0,function(){return v(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 x(this,void 0,void 0,function(){return v(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 A(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 E=u.mul(t.decay).add(s.square().mul(1-t.decay));if(t.centered){var I=t.accumulatedMeanGrads[a].variable,P=I.mul(t.decay).add(s.mul(1-t.decay)),G=f.mul(t.momentum).add(s.mul(t.learningRate).div(E.sub(P.square().add(t.epsilon)).sqrt()));u.assign(E),I.assign(P),f.assign(G);var oe=i.sub(G);i.assign(oe)}else{var ue=u.mul(t.decay).add(s.square().mul(1-t.decay));G=f.mul(t.momentum).add(s.mul(t.learningRate).div(ue.add(t.epsilon).sqrt())),u.assign(ue),f.assign(G),oe=i.sub(G),i.assign(oe)}})}}),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 x(this,void 0,void 0,function(){var e;return v(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 x(this,void 0,void 0,function(){var t;return v(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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la(z).draw(R)})}function Ni(R,b){var S=Jn(R,b),N=oa(R,b);function z(me,fe,Ce){var Ie=N(me,fe,Ce+"/separable_conv0"),De=N(fe,fe,Ce+"/separable_conv1"),We=S(me,fe,1,Ce+"/expansion_conv");return{separable_conv0:Ie,separable_conv1:De,expansion_conv:We}}function ae(me,fe){var Ce=N(me,me,fe+"/separable_conv0"),Ie=N(me,me,fe+"/separable_conv1"),De=N(me,me,fe+"/separable_conv2");return{separable_conv0:Ce,separable_conv1:Ie,separable_conv2:De}}return{extractConvParams:S,extractSeparableConvParams:N,extractReductionBlockParams:z,extractMainBlockParams:ae}}function qa(R,b){var S=[],N=ln(R),z=N.extractWeights,ae=N.getRemainingWeights,me=Ni(z,S),fe=me.extractConvParams,Ce=me.extractSeparableConvParams,Ie=me.extractReductionBlockParams,De=me.extractMainBlockParams,We=fe(3,32,3,"entry_flow/conv_in"),ze=Ie(32,64,"entry_flow/reduction_block_0"),qe=Ie(64,128,"entry_flow/reduction_block_1"),it={conv_in:We,reduction_block_0:ze,reduction_block_1:qe},vt={};ke(b,0,1).forEach(function(At){vt["main_block_"+At]=De(128,"middle_flow/main_block_"+At)});var wt=Ie(128,256,"exit_flow/reduction_block"),Ct=Ce(256,512,"exit_flow/separable_conv"),Dt={reduction_block:wt,separable_conv:Ct};if(ae().length!==0)throw new Error("weights remaing after extract: "+ae().length);return{paramMappings:S,params:{entry_flow:it,middle_flow:vt,exit_flow:Dt}}}function ki(R,b){var S=Sn(R,b),N=Ya(S),z=aa(S);function ae(fe){var Ce=z(fe+"/separable_conv0"),Ie=z(fe+"/separable_conv1"),De=N(fe+"/expansion_conv");return{separable_conv0:Ce,separable_conv1:Ie,expansion_conv:De}}function me(fe){var Ce=z(fe+"/separable_conv0"),Ie=z(fe+"/separable_conv1"),De=z(fe+"/separable_conv2");return{separable_conv0:Ce,separable_conv1:Ie,separable_conv2:De}}return{extractConvParams:N,extractSeparableConvParams:z,extractReductionBlockParams:ae,extractMainBlockParams:me}}function Es(R,b){var S=[],N=ki(R,S),z=N.extractConvParams,ae=N.extractSeparableConvParams,me=N.extractReductionBlockParams,fe=N.extractMainBlockParams,Ce=z("entry_flow/conv_in"),Ie=me("entry_flow/reduction_block_0"),De=me("entry_flow/reduction_block_1"),We={conv_in:Ce,reduction_block_0:Ie,reduction_block_1:De},ze={};ke(b,0,1).forEach(function(wt){ze["main_block_"+wt]=fe("middle_flow/main_block_"+wt)});var qe=me("exit_flow/reduction_block"),it=ae("exit_flow/separable_conv"),vt={reduction_block:qe,separable_conv:it};return yn(R,S),{params:{entry_flow:We,middle_flow:ze,exit_flow:vt},paramMappings:S}}function Lt(R,b,S){return j.c(j.i(R,b.filters,S,"same"),b.bias)}function Mi(R,b,S){S===void 0&&(S=!0);var N=S?j.w(R):R;return 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Ce=Mi(Ce,z.entry_flow.reduction_block_0,!1),Ce=Mi(Ce,z.entry_flow.reduction_block_1),ke(N._numMainBlocks,0,1).forEach(function(Ie){Ce=qu(Ce,z.middle_flow["main_block_"+Ie])}),Ce=Mi(Ce,z.exit_flow.reduction_block),Ce=j.w(zr(Ce,z.exit_flow.separable_conv,[1,1])),Ce})},b.prototype.forward=function(S){return Object(L.b)(this,void 0,void 0,function(){var N;return Object(L.d)(this,function(z){switch(z.label){case 0:return N=this.forwardInput,[4,Or(S)];case 1:return[2,N.apply(this,[z.sent()])]}})})},b.prototype.getDefaultModelName=function(){return"tiny_xception_model"},b.prototype.extractParamsFromWeigthMap=function(S){return Es(S,this._numMainBlocks)},b.prototype.extractParams=function(S){return qa(S,this._numMainBlocks)},b}(gn);function Pi(R){var b=[],S=ln(R),N=S.extractWeights,z=S.getRemainingWeights,ae=na(N,b),me=ae(512,1,"fc/age"),fe=ae(512,2,"fc/gender");if(z().length!==0)throw new Error("weights remaing after extract: 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Object(L.b)(Ie,void 0,void 0,function(){var it,vt,wt,Ct,Dt;return Object(L.d)(this,function(At){switch(At.label){case 0:return[4,ze.data()];case 1:return it=At.sent()[0],[4,qe.data()];case 2:return vt=At.sent()[0],wt=vt>.5,Ct=wt?Fo.MALE:Fo.FEMALE,Dt=wt?vt:1-vt,ze.dispose(),qe.dispose(),[2,{age:it,gender:Ct,genderProbability:Dt}]}})})}))];case 3:return Ce=De.sent(),z.age.dispose(),z.gender.dispose(),[2,N.isBatchInput?Ce:Ce[0]]}})})},b.prototype.getDefaultModelName=function(){return"age_gender_model"},b.prototype.dispose=function(S){S===void 0&&(S=!0),this.faceFeatureExtractor.dispose(S),R.prototype.dispose.call(this,S)},b.prototype.loadClassifierParams=function(S){var N=this.extractClassifierParams(S),z=N.params,ae=N.paramMappings;this._params=z,this._paramMappings=ae},b.prototype.extractClassifierParams=function(S){return Pi(S)},b.prototype.extractParamsFromWeigthMap=function(S){var N=Ja(S),z=N.featureExtractorMap,ae=N.classifierMap;return this.faceFeatureExtractor.loadFromWeightMap(z),Zu(ae)},b.prototype.extractParams=function(S){var N=512*1+1+(512*2+2),z=S.slice(0,S.length-N),ae=S.slice(S.length-N);return this.faceFeatureExtractor.extractWeights(z),this.extractClassifierParams(ae)},b}(gn),_s=function(R){Object(L.c)(b,R);function b(){return R!==null&&R.apply(this,arguments)||this}return b.prototype.postProcess=function(S,N,z){var ae=z.map(function(fe){var Ce=fe.width,Ie=fe.height,De=N/Math.max(Ie,Ce);return{width:Ce*De,height:Ie*De}}),me=ae.length;return j.L(function(){var fe=function(ze,qe){return j.E([j.n([68],ze),j.n([68],qe)],1).as2D(1,136).as1D()},Ce=function(ze,qe){var it=ae[ze],vt=it.width,wt=it.height;return qe(vt,wt)?Math.abs(vt-wt)/2:0},Ie=function(ze){return Ce(ze,function(qe,it){return qe<it})},De=function(ze){return Ce(ze,function(qe,it){return it<qe})},We=S.mul(j.n([me,136],N)).sub(j.E(Array.from(Array(me),function(ze,qe){return fe(Ie(qe),De(qe))}))).div(j.E(Array.from(Array(me),function(ze,qe){return 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b=[],S=ln(R),N=S.extractWeights,z=S.getRemainingWeights,ae=Ka(N,b).extractDenseBlock3Params,me=ae(3,32,"dense0",!0),fe=ae(32,64,"dense1"),Ce=ae(64,128,"dense2");if(z().length!==0)throw new Error("weights remaing after extract: "+z().length);return{paramMappings:b,params:{dense0:me,dense1:fe,dense2:Ce}}}var tc=function(R){Object(L.c)(b,R);function b(){return R.call(this,"TinyFaceFeatureExtractor")||this}return b.prototype.forwardInput=function(S){var N=this.params;if(!N)throw new Error("TinyFaceFeatureExtractor - load model before inference");return j.L(function(){var z=S.toBatchTensor(112,!0),ae=[122.782,117.001,104.298],me=Ae(z,ae).div(j.y(255)),fe=ho(me,N.dense0,!0);return fe=ho(fe,N.dense1),fe=ho(fe,N.dense2),fe=j.d(fe,[14,14],[2,2],"valid"),fe})},b.prototype.forward=function(S){return Object(L.b)(this,void 0,void 0,function(){var N;return Object(L.d)(this,function(z){switch(z.label){case 0:return N=this.forwardInput,[4,Or(S)];case 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b=ln(R),S=b.extractWeights,N=b.getRemainingWeights,z=[],ae=ac(S,z),me=ae.extractConvLayerParams,fe=ae.extractResidualLayerParams,Ce=me(4704,32,7,"conv32_down"),Ie=fe(9216,32,3,"conv32_1"),De=fe(9216,32,3,"conv32_2"),We=fe(9216,32,3,"conv32_3"),ze=fe(36864,64,3,"conv64_down",!0),qe=fe(36864,64,3,"conv64_1"),it=fe(36864,64,3,"conv64_2"),vt=fe(36864,64,3,"conv64_3"),wt=fe(147456,128,3,"conv128_down",!0),Ct=fe(147456,128,3,"conv128_1"),Dt=fe(147456,128,3,"conv128_2"),At=fe(589824,256,3,"conv256_down",!0),mt=fe(589824,256,3,"conv256_1"),_t=fe(589824,256,3,"conv256_2"),Wt=fe(589824,256,3,"conv256_down_out"),sr=j.L(function(){return j.N(j.I(S(256*128),[128,256]),[1,0])});if(z.push({paramPath:"fc"}),N().length!==0)throw new Error("weights remaing after extract: "+N().length);var vr={conv32_down:Ce,conv32_1:Ie,conv32_2:De,conv32_3:We,conv64_down:ze,conv64_1:qe,conv64_2:it,conv64_3:vt,conv128_down:wt,conv128_1:Ct,conv128_2:Dt,conv256_down:At,conv256_1:mt,conv256_2:_t,conv256_down_out:Wt,fc:sr};return{params:vr,paramMappings:z}}function da(R,b){var S=Sn(R,b);function N(me){var fe=S(me+"/scale/weights",1),Ce=S(me+"/scale/biases",1);return{weights:fe,biases:Ce}}function z(me){var fe=S(me+"/conv/filters",4),Ce=S(me+"/conv/bias",1),Ie=N(me);return{conv:{filters:fe,bias:Ce},scale:Ie}}function ae(me){return{conv1:z(me+"/conv1"),conv2:z(me+"/conv2")}}return{extractConvLayerParams:z,extractResidualLayerParams:ae}}function bn(R){var b=[],S=da(R,b),N=S.extractConvLayerParams,z=S.extractResidualLayerParams,ae=N("conv32_down"),me=z("conv32_1"),fe=z("conv32_2"),Ce=z("conv32_3"),Ie=z("conv64_down"),De=z("conv64_1"),We=z("conv64_2"),ze=z("conv64_3"),qe=z("conv128_down"),it=z("conv128_1"),vt=z("conv128_2"),wt=z("conv256_down"),Ct=z("conv256_1"),Dt=z("conv256_2"),At=z("conv256_down_out"),mt=R.fc;if(b.push({originalPath:"fc",paramPath:"fc"}),!xe(mt))throw new Error("expected weightMap[fc] to be a Tensor2D, instead have "+mt);var _t={conv32_down:ae,conv32_1:me,conv32_2:fe,conv32_3:Ce,conv64_down:Ie,conv64_1:De,conv64_2:We,conv64_3:ze,conv128_down:qe,conv128_1:it,conv128_2:vt,conv256_down:wt,conv256_1:Ct,conv256_2:Dt,conv256_down_out:At,fc:mt};return yn(R,b),{params:_t,paramMappings:b}}function dn(R,b){var S=oc(R,b.conv1);return S=Ts(S,b.conv2),S=j.c(S,R),S=j.w(S),S}function Oe(R,b){var S=Ss(R,b.conv1);S=Ts(S,b.conv2);var N=j.d(R,2,2,"valid"),z=j.P(N.shape),ae=N.shape[3]!==S.shape[3],me=N.shape[1]!==S.shape[1]||N.shape[2]!==S.shape[2];if(me){var fe=Object(L.e)(S.shape);fe[1]=1;var Ce=j.P(fe);S=j.h([S,Ce],1);var Ie=Object(L.e)(S.shape);Ie[2]=1;var De=j.P(Ie);S=j.h([S,De],2)}return N=ae?j.h([N,z],3):N,S=j.c(N,S),S=j.w(S),S}var yo=function(R){Object(L.c)(b,R);function b(){return R.call(this,"FaceRecognitionNet")||this}return b.prototype.forwardInput=function(S){var N=this.params;if(!N)throw new Error("FaceRecognitionNet - load model before inference");return j.L(function(){var z=S.toBatchTensor(150,!0).toFloat(),ae=[122.782,117.001,104.298],me=Ae(z,ae).div(j.y(256)),fe=Ss(me,N.conv32_down);fe=j.s(fe,3,2,"valid"),fe=dn(fe,N.conv32_1),fe=dn(fe,N.conv32_2),fe=dn(fe,N.conv32_3),fe=Oe(fe,N.conv64_down),fe=dn(fe,N.conv64_1),fe=dn(fe,N.conv64_2),fe=dn(fe,N.conv64_3),fe=Oe(fe,N.conv128_down),fe=dn(fe,N.conv128_1),fe=dn(fe,N.conv128_2),fe=Oe(fe,N.conv256_down),fe=dn(fe,N.conv256_1),fe=dn(fe,N.conv256_2),fe=Oe(fe,N.conv256_down_out);var Ce=fe.mean([1,2]),Ie=j.q(Ce,N.fc);return Ie})},b.prototype.forward=function(S){return Object(L.b)(this,void 0,void 0,function(){var N;return Object(L.d)(this,function(z){switch(z.label){case 0:return N=this.forwardInput,[4,Or(S)];case 1:return[2,N.apply(this,[z.sent()])]}})})},b.prototype.computeFaceDescriptor=function(S){return Object(L.b)(this,void 0,void 0,function(){var N,z,ae,me=this;return Object(L.d)(this,function(fe){switch(fe.label){case 0:return[4,Or(S)];case 1:return N=fe.sent(),z=j.L(function(){return 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b.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:De,batch_norm_scale:We,batch_norm_offset:ze,batch_norm_mean:qe,batch_norm_variance:it}}function N(Ce,Ie,De,We,ze){var qe=j.K(R(Ce*Ie*De*De),[De,De,Ce,Ie]),it=j.H(R(Ie));return b.push({paramPath:We+"/filters"},{paramPath:We+"/"+(ze?"batch_norm_offset":"bias")}),{filters:qe,bias:it}}function z(Ce,Ie,De,We){var ze=N(Ce,Ie,De,We,!0),qe=ze.filters,it=ze.bias;return{filters:qe,batch_norm_offset:it}}function ae(Ce,Ie,De){var We=S(Ce,De+"/depthwise_conv"),ze=z(Ce,Ie,1,De+"/pointwise_conv");return{depthwise_conv:We,pointwise_conv:ze}}function me(){var Ce=z(3,32,3,"mobilenetv1/conv_0"),Ie=ae(32,64,"mobilenetv1/conv_1"),De=ae(64,128,"mobilenetv1/conv_2"),We=ae(128,128,"mobilenetv1/conv_3"),ze=ae(128,256,"mobilenetv1/conv_4"),qe=ae(256,256,"mobilenetv1/conv_5"),it=ae(256,512,"mobilenetv1/conv_6"),vt=ae(512,512,"mobilenetv1/conv_7"),wt=ae(512,512,"mobilenetv1/conv_8"),Ct=ae(512,512,"mobilenetv1/conv_9"),Dt=ae(512,512,"mobilenetv1/conv_10"),At=ae(512,512,"mobilenetv1/conv_11"),mt=ae(512,1024,"mobilenetv1/conv_12"),_t=ae(1024,1024,"mobilenetv1/conv_13");return{conv_0:Ce,conv_1:Ie,conv_2:De,conv_3:We,conv_4:ze,conv_5:qe,conv_6:it,conv_7:vt,conv_8:wt,conv_9:Ct,conv_10:Dt,conv_11:At,conv_12:mt,conv_13:_t}}function fe(){var Ce=z(1024,256,1,"prediction_layer/conv_0"),Ie=z(256,512,3,"prediction_layer/conv_1"),De=z(512,128,1,"prediction_layer/conv_2"),We=z(128,256,3,"prediction_layer/conv_3"),ze=z(256,128,1,"prediction_layer/conv_4"),qe=z(128,256,3,"prediction_layer/conv_5"),it=z(256,64,1,"prediction_layer/conv_6"),vt=z(64,128,3,"prediction_layer/conv_7"),wt=N(512,12,1,"prediction_layer/box_predictor_0/box_encoding_predictor"),Ct=N(512,9,1,"prediction_layer/box_predictor_0/class_predictor"),Dt=N(1024,24,1,"prediction_layer/box_predictor_1/box_encoding_predictor"),At=N(1024,18,1,"prediction_layer/box_predictor_1/class_predictor"),mt=N(512,24,1,"prediction_layer/box_predictor_2/box_encoding_predictor"),_t=N(512,18,1,"prediction_layer/box_predictor_2/class_predictor"),Wt=N(256,24,1,"prediction_layer/box_predictor_3/box_encoding_predictor"),sr=N(256,18,1,"prediction_layer/box_predictor_3/class_predictor"),vr=N(256,24,1,"prediction_layer/box_predictor_4/box_encoding_predictor"),or=N(256,18,1,"prediction_layer/box_predictor_4/class_predictor"),Gt=N(128,24,1,"prediction_layer/box_predictor_5/box_encoding_predictor"),Ut=N(128,18,1,"prediction_layer/box_predictor_5/class_predictor"),kr={box_encoding_predictor:wt,class_predictor:Ct},lr={box_encoding_predictor:Dt,class_predictor:At},Xr={box_encoding_predictor:mt,class_predictor:_t},Yr={box_encoding_predictor:Wt,class_predictor:sr},Rt={box_encoding_predictor:vr,class_predictor:or},tn={box_encoding_predictor:Gt,class_predictor:Ut};return{conv_0:Ce,conv_1:Ie,conv_2:De,conv_3:We,conv_4:ze,conv_5:qe,conv_6:it,conv_7:vt,box_predictor_0:kr,box_predictor_1:lr,box_predictor_2:Xr,box_predictor_3:Yr,box_predictor_4:Rt,box_predictor_5:tn}}return{extractMobilenetV1Params:me,extractPredictionLayerParams:fe}}function Fi(R){var b=[],S=ln(R),N=S.extractWeights,z=S.getRemainingWeights,ae=fn(N,b),me=ae.extractMobilenetV1Params,fe=ae.extractPredictionLayerParams,Ce=me(),Ie=fe(),De=j.J(N(5118*4),[1,5118,4]),We={extra_dim:De};if(b.push({paramPath:"output_layer/extra_dim"}),z().length!==0)throw new Error("weights remaing after extract: "+z().length);return{params:{mobilenetv1:Ce,prediction_layer:Ie,output_layer:We},paramMappings:b}}function qn(R,b){var S=Sn(R,b);function N(Ie,De,We){var ze=S(Ie+"/Conv2d_"+De+"_pointwise/weights",4,We+"/filters"),qe=S(Ie+"/Conv2d_"+De+"_pointwise/convolution_bn_offset",1,We+"/batch_norm_offset");return{filters:ze,batch_norm_offset:qe}}function z(Ie){var De="mobilenetv1/conv_"+Ie,We="MobilenetV1/Conv2d_"+Ie+"_depthwise",ze=De+"/depthwise_conv",qe=De+"/pointwise_conv",it=S(We+"/depthwise_weights",4,ze+"/filters"),vt=S(We+"/BatchNorm/gamma",1,ze+"/batch_norm_scale"),wt=S(We+"/BatchNorm/beta",1,ze+"/batch_norm_offset"),Ct=S(We+"/BatchNorm/moving_mean",1,ze+"/batch_norm_mean"),Dt=S(We+"/BatchNorm/moving_variance",1,ze+"/batch_norm_variance");return{depthwise_conv:{filters:it,batch_norm_scale:vt,batch_norm_offset:wt,batch_norm_mean:Ct,batch_norm_variance:Dt},pointwise_conv:N("MobilenetV1",Ie,qe)}}function ae(){return{conv_0:N("MobilenetV1",0,"mobilenetv1/conv_0"),conv_1:z(1),conv_2:z(2),conv_3:z(3),conv_4:z(4),conv_5:z(5),conv_6:z(6),conv_7:z(7),conv_8:z(8),conv_9:z(9),conv_10:z(10),conv_11:z(11),conv_12:z(12),conv_13:z(13)}}function me(Ie,De){var We=S(Ie+"/weights",4,De+"/filters"),ze=S(Ie+"/biases",1,De+"/bias");return{filters:We,bias:ze}}function fe(Ie){var De=me("Prediction/BoxPredictor_"+Ie+"/BoxEncodingPredictor","prediction_layer/box_predictor_"+Ie+"/box_encoding_predictor"),We=me("Prediction/BoxPredictor_"+Ie+"/ClassPredictor","prediction_layer/box_predictor_"+Ie+"/class_predictor");return{box_encoding_predictor:De,class_predictor:We}}function Ce(){return{conv_0:N("Prediction",0,"prediction_layer/conv_0"),conv_1:N("Prediction",1,"prediction_layer/conv_1"),conv_2:N("Prediction",2,"prediction_layer/conv_2"),conv_3:N("Prediction",3,"prediction_layer/conv_3"),conv_4:N("Prediction",4,"prediction_layer/conv_4"),conv_5:N("Prediction",5,"prediction_layer/conv_5"),conv_6:N("Prediction",6,"prediction_layer/conv_6"),conv_7:N("Prediction",7,"prediction_layer/conv_7"),box_predictor_0:fe(0),box_predictor_1:fe(1),box_predictor_2:fe(2),box_predictor_3:fe(3),box_predictor_4:fe(4),box_predictor_5:fe(5)}}return{extractMobilenetV1Params:ae,extractPredictionLayerParams:Ce}}function Ke(R){var b=[],S=qn(R,b),N=S.extractMobilenetV1Params,z=S.extractPredictionLayerParams,ae=R["Output/extra_dim"];if(b.push({originalPath:"Output/extra_dim",paramPath:"output_layer/extra_dim"}),!Ne(ae))throw new Error("expected weightMap['Output/extra_dim'] to be a Tensor3D, instead have "+ae);var me={mobilenetv1:N(),prediction_layer:z(),output_layer:{extra_dim:ae}};return yn(R,b),{params:me,paramMappings:b}}function xr(R,b,S){return j.L(function(){var N=j.i(R,b.filters,S,"same");return N=j.c(N,b.batch_norm_offset),j.g(N,0,6)})}var un=.0010000000474974513;function xn(R,b,S){return j.L(function(){var N=j.j(R,b.filters,S,"same");return N=j.e(N,b.batch_norm_mean,b.batch_norm_variance,b.batch_norm_offset,b.batch_norm_scale,un),j.g(N,0,6)})}function Ur(R){return[2,4,6,12].some(function(b){return b===R})?[2,2]:[1,1]}function Nn(R,b){return j.L(function(){var S=null,N=xr(R,b.conv_0,[2,2]),z=[b.conv_1,b.conv_2,b.conv_3,b.conv_4,b.conv_5,b.conv_6,b.conv_7,b.conv_8,b.conv_9,b.conv_10,b.conv_11,b.conv_12,b.conv_13];if(z.forEach(function(ae,me){var fe=me+1,Ce=Ur(fe);N=xn(N,ae.depthwise_conv,Ce),N=xr(N,ae.pointwise_conv,[1,1]),fe===11&&(S=N)}),S===null)throw new Error("mobileNetV1 - output of conv layer 11 is null");return{out:N,conv11:S}})}function It(R,b,S,N,z){var ae=R.shape[0],me=Math.min(S,ae),fe=b.map(function(De,We){return{score:De,boxIndex:We}}).filter(function(De){return De.score>z}).sort(function(De,We){return We.score-De.score}),Ce=function(De){return De<=N?1:0},Ie=[];return fe.forEach(function(De){if(Ie.length>=me)return;for(var We=De.score,ze=Ie.length-1;ze>=0;--ze){var qe=Qn(R,De.boxIndex,Ie[ze]);if(qe===0)continue;if(De.score*=Ce(qe),De.score<=z)break}We===De.score&&Ie.push(De.boxIndex)}),Ie}function Qn(R,b,S){var N=R.arraySync(),z=Math.min(N[b][0],N[b][2]),ae=Math.min(N[b][1],N[b][3]),me=Math.max(N[b][0],N[b][2]),fe=Math.max(N[b][1],N[b][3]),Ce=Math.min(N[S][0],N[S][2]),Ie=Math.min(N[S][1],N[S][3]),De=Math.max(N[S][0],N[S][2]),We=Math.max(N[S][1],N[S][3]),ze=(me-z)*(fe-ae),qe=(De-Ce)*(We-Ie);if(ze<=0||qe<=0)return 0;var it=Math.max(z,Ce),vt=Math.max(ae,Ie),wt=Math.min(me,De),Ct=Math.min(fe,We),Dt=Math.max(wt-it,0)*Math.max(Ct-vt,0);return Dt/(ze+qe-Dt)}function Zn(R){var b=j.O(j.N(R,[1,0])),S=[j.F(b[2],b[0]),j.F(b[3],b[1])],N=[j.c(b[0],j.k(S[0],j.y(2))),j.c(b[1],j.k(S[1],j.y(2)))];return{sizes:S,centers:N}}function Za(R,b){var S=Zn(R),N=S.sizes,z=S.centers,ae=j.O(j.N(b,[1,0])),me=j.k(j.t(j.l(j.k(ae[2],j.y(5))),N[0]),j.y(2)),fe=j.c(j.t(j.k(ae[0],j.y(10)),N[0]),z[0]),Ce=j.k(j.t(j.l(j.k(ae[3],j.y(5))),N[1]),j.y(2)),Ie=j.c(j.t(j.k(ae[1],j.y(10)),N[1]),z[1]);return j.N(j.E([j.F(fe,me),j.F(Ie,Ce),j.c(fe,me),j.c(Ie,Ce)]),[1,0])}function kn(R,b,S){return j.L(function(){var N=R.shape[0],z=Za(j.x(j.M(S.extra_dim,[N,1,1]),[-1,4]),j.x(R,[-1,4]));z=j.x(z,[N,z.shape[0]/N,4]);var ae=j.A(j.B(b,[0,0,1],[-1,-1,-1])),me=j.B(ae,[0,0,0],[-1,-1,1]);me=j.x(me,[N,me.shape[1]]);var fe=j.O(z),Ce=j.O(me);return{boxes:fe,scores:Ce}})}function xo(R,b){return j.L(function(){var S=R.shape[0],N=j.x(an(R,b.box_encoding_predictor),[S,-1,1,4]),z=j.x(an(R,b.class_predictor),[S,-1,3]);return{boxPredictionEncoding:N,classPrediction:z}})}function As(R,b,S){return j.L(function(){var N=xr(R,S.conv_0,[1,1]),z=xr(N,S.conv_1,[2,2]),ae=xr(z,S.conv_2,[1,1]),me=xr(ae,S.conv_3,[2,2]),fe=xr(me,S.conv_4,[1,1]),Ce=xr(fe,S.conv_5,[2,2]),Ie=xr(Ce,S.conv_6,[1,1]),De=xr(Ie,S.conv_7,[2,2]),We=xo(b,S.box_predictor_0),ze=xo(R,S.box_predictor_1),qe=xo(z,S.box_predictor_2),it=xo(me,S.box_predictor_3),vt=xo(Ce,S.box_predictor_4),wt=xo(De,S.box_predictor_5),Ct=j.h([We.boxPredictionEncoding,ze.boxPredictionEncoding,qe.boxPredictionEncoding,it.boxPredictionEncoding,vt.boxPredictionEncoding,wt.boxPredictionEncoding],1),Dt=j.h([We.classPrediction,ze.classPrediction,qe.classPrediction,it.classPrediction,vt.classPrediction,wt.classPrediction],1);return{boxPredictions:Ct,classPredictions:Dt}})}var wo=function(){function R(b){var S=b===void 0?{}:b,N=S.minConfidence,z=S.maxResults;if(this._name="SsdMobilenetv1Options",this._minConfidence=N||.5,this._maxResults=z||100,typeof this._minConfidence!="number"||this._minConfidence<=0||this._minConfidence>=1)throw new Error(this._name+" - expected minConfidence to be a number between 0 and 1");if(typeof this._maxResults!="number")throw new Error(this._name+" - expected maxResults to be a number")}return Object.defineProperty(R.prototype,"minConfidence",{get:function(){return this._minConfidence},enumerable:!0,configurable:!0}),Object.defineProperty(R.prototype,"maxResults",{get:function(){return this._maxResults},enumerable:!0,configurable:!0}),R}(),Mn=function(R){Object(L.c)(b,R);function b(){return R.call(this,"SsdMobilenetv1")||this}return b.prototype.forwardInput=function(S){var N=this.params;if(!N)throw new Error("SsdMobilenetv1 - load model before inference");return j.L(function(){var z=S.toBatchTensor(512,!1).toFloat(),ae=j.F(j.t(z,j.y(.007843137718737125)),j.y(1)),me=Nn(ae,N.mobilenetv1),fe=As(me.out,me.conv11,N.prediction_layer),Ce=fe.boxPredictions,Ie=fe.classPredictions;return kn(Ce,Ie,N.output_layer)})},b.prototype.forward=function(S){return Object(L.b)(this,void 0,void 0,function(){var N;return Object(L.d)(this,function(z){switch(z.label){case 0:return N=this.forwardInput,[4,Or(S)];case 1:return[2,N.apply(this,[z.sent()])]}})})},b.prototype.locateFaces=function(S,N){return N===void 0&&(N={}),Object(L.b)(this,void 0,void 0,function(){var z,ae,me,fe,Ce,Ie,De,We,ze,qe,it,vt,wt,Ct,Dt,At,mt,_t,Wt,sr,vr;return Object(L.d)(this,function(or){switch(or.label){case 0:return z=new wo(N),ae=z.maxResults,me=z.minConfidence,[4,Or(S)];case 1:for(fe=or.sent(),Ce=this.forwardInput(fe),Ie=Ce.boxes,De=Ce.scores,We=Ie[0],ze=De[0],qe=1;qe<Ie.length;qe++)Ie[qe].dispose(),De[qe].dispose();return wt=(vt=Array).from,[4,ze.data()];case 2:return it=wt.apply(vt,[or.sent()]),Ct=.5,Dt=It(We,it,ae,Ct,me),At=fe.getReshapedInputDimensions(0),mt=fe.inputSize,_t=mt/At.width,Wt=mt/At.height,sr=We.arraySync(),vr=Dt.map(function(Gt){var Ut=[Math.max(0,sr[Gt][0]),Math.min(1,sr[Gt][2])].map(function(tn){return tn*Wt}),kr=Ut[0],lr=Ut[1],Xr=[Math.max(0,sr[Gt][1]),Math.min(1,sr[Gt][3])].map(function(tn){return tn*_t}),Yr=Xr[0],Rt=Xr[1];return new Z(it[Gt],new Tt(Yr,kr,Rt-Yr,lr-kr),{height:fe.getInputHeight(0),width:fe.getInputWidth(0)})}),We.dispose(),ze.dispose(),[2,vr]}})})},b.prototype.getDefaultModelName=function(){return"ssd_mobilenetv1_model"},b.prototype.extractParamsFromWeigthMap=function(S){return Ke(S)},b.prototype.extractParams=function(S){return Fi(S)},b}(gn);function Tr(R){var b=new Mn;return b.extractWeights(R),b}function ei(R){return Tr(R)}var sc=function(R){Object(L.c)(b,R);function b(){return R!==null&&R.apply(this,arguments)||this}return b}(Mn),fa=.4,Bi=[new ve(.738768,.874946),new ve(2.42204,2.65704),new ve(4.30971,7.04493),new ve(10.246,4.59428),new ve(12.6868,11.8741)],Jt=[new ve(1.603231,2.094468),new ve(6.041143,7.080126),new ve(2.882459,3.518061),new ve(4.266906,5.178857),new ve(9.041765,10.66308)],hn=[117.001,114.697,97.404],Os="tiny_yolov2_model",Rs="tiny_yolov2_separable_conv_model",ha=function(R){return typeof R=="number"};function Is(R){if(!R)throw new Error("invalid config: "+R);if(typeof R.withSeparableConvs!="boolean")throw new Error("config.withSeparableConvs has to be a boolean, have: "+R.withSeparableConvs);if(!ha(R.iouThreshold)||R.iouThreshold<0||R.iouThreshold>1)throw new Error("config.iouThreshold has to be a number between [0, 1], have: "+R.iouThreshold);if(!Array.isArray(R.classes)||!R.classes.length||!R.classes.every(function(b){return typeof b=="string"}))throw new Error("config.classes has to be an array class names: string[], have: "+JSON.stringify(R.classes));if(!Array.isArray(R.anchors)||!R.anchors.length||!R.anchors.map(function(b){return b||{}}).every(function(b){return ha(b.x)&&ha(b.y)}))throw new Error("config.anchors has to be an array of { x: number, y: number }, have: "+JSON.stringify(R.anchors));if(R.meanRgb&&(!Array.isArray(R.meanRgb)||R.meanRgb.length!==3||!R.meanRgb.every(ha)))throw new Error("config.meanRgb has to be an array of shape [number, number, number], have: "+JSON.stringify(R.meanRgb))}function 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z=ln(R),ae=z.extractWeights,me=z.getRemainingWeights,fe=[],Ce=Ds(ae,fe),Ie=Ce.extractConvParams,De=Ce.extractConvWithBatchNormParams,We=Ce.extractSeparableConvParams,ze;if(b.withSeparableConvs){var qe=N[0],it=N[1],vt=N[2],wt=N[3],Ct=N[4],Dt=N[5],At=N[6],mt=N[7],_t=N[8],Wt=b.isFirstLayerConv2d?Ie(qe,it,3,"conv0"):We(qe,it,"conv0"),sr=We(it,vt,"conv1"),vr=We(vt,wt,"conv2"),or=We(wt,Ct,"conv3"),Gt=We(Ct,Dt,"conv4"),Ut=We(Dt,At,"conv5"),kr=mt?We(At,mt,"conv6"):void 0,lr=_t?We(mt,_t,"conv7"):void 0,Xr=Ie(_t||mt||At,5*S,1,"conv8");ze={conv0:Wt,conv1:sr,conv2:vr,conv3:or,conv4:Gt,conv5:Ut,conv6:kr,conv7:lr,conv8:Xr}}else{var qe=N[0],it=N[1],vt=N[2],wt=N[3],Ct=N[4],Dt=N[5],At=N[6],mt=N[7],_t=N[8],Wt=De(qe,it,"conv0"),sr=De(it,vt,"conv1"),vr=De(vt,wt,"conv2"),or=De(wt,Ct,"conv3"),Gt=De(Ct,Dt,"conv4"),Ut=De(Dt,At,"conv5"),kr=De(At,mt,"conv6"),lr=De(mt,_t,"conv7"),Xr=Ie(_t,5*S,1,"conv8");ze={conv0:Wt,conv1:sr,conv2:vr,conv3:or,conv4:Gt,conv5:Ut,conv6:kr,conv7:lr,conv8:Xr}}if(me().length!==0)throw new Error("weights remaing after extract: "+me().length);return{params:ze,paramMappings:fe}}function ks(R,b){var S=Sn(R,b);function N(fe){var Ce=S(fe+"/sub",1),Ie=S(fe+"/truediv",1);return{sub:Ce,truediv:Ie}}function z(fe){var Ce=S(fe+"/filters",4),Ie=S(fe+"/bias",1);return{filters:Ce,bias:Ie}}function ae(fe){var Ce=z(fe+"/conv"),Ie=N(fe+"/bn");return{conv:Ce,bn:Ie}}var me=aa(S);return{extractConvParams:z,extractConvWithBatchNormParams:ae,extractSeparableConvParams:me}}function Ms(R,b){var S=[],N=ks(R,S),z=N.extractConvParams,ae=N.extractConvWithBatchNormParams,me=N.extractSeparableConvParams,fe;if(b.withSeparableConvs){var Ce=b.filterSizes&&b.filterSizes.length||9;fe={conv0:b.isFirstLayerConv2d?z("conv0"):me("conv0"),conv1:me("conv1"),conv2:me("conv2"),conv3:me("conv3"),conv4:me("conv4"),conv5:me("conv5"),conv6:Ce>7?me("conv6"):void 0,conv7:Ce>8?me("conv7"):void 0,conv8:z("conv8")}}else fe={conv0:ae("conv0"),conv1:ae("conv1"),conv2:ae("conv2"),conv3:ae("conv3"),conv4:ae("conv4"),conv5:ae("conv5"),conv6:ae("conv6"),conv7:ae("conv7"),conv8:z("conv8")};return yn(R,S),{params:fe,paramMappings:S}}var Ui;(function(R){R[R.XS=224]="XS",R[R.SM=320]="SM",R[R.MD=416]="MD",R[R.LG=608]="LG"})(Ui||(Ui={}));var wn=function(){function R(b){var S=b===void 0?{}:b,N=S.inputSize,z=S.scoreThreshold;if(this._name="TinyYolov2Options",this._inputSize=N||416,this._scoreThreshold=z||.5,typeof this._inputSize!="number"||this._inputSize%32!==0)throw new Error(this._name+" - expected inputSize to be a number divisible by 32");if(typeof this._scoreThreshold!="number"||this._scoreThreshold<=0||this._scoreThreshold>=1)throw new Error(this._name+" - expected scoreThreshold to be a number between 0 and 1")}return Object.defineProperty(R.prototype,"inputSize",{get:function(){return this._inputSize},enumerable:!0,configurable:!0}),Object.defineProperty(R.prototype,"scoreThreshold",{get:function(){return 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z=j.s(z,[2,2],[2,2],"same"),z=Qr(z,N.conv1),z=j.s(z,[2,2],[2,2],"same"),z=Qr(z,N.conv2),z=j.s(z,[2,2],[2,2],"same"),z=Qr(z,N.conv3),z=j.s(z,[2,2],[2,2],"same"),z=Qr(z,N.conv4),z=j.s(z,[2,2],[2,2],"same"),z=Qr(z,N.conv5),z=j.s(z,[2,2],[1,1],"same"),z=Qr(z,N.conv6),z=Qr(z,N.conv7),an(z,N.conv8,"valid",!1)},b.prototype.runMobilenet=function(S,N){var z=this.config.isFirstLayerConv2d?Bo(an(S,N.conv0,"valid",!1)):Pn(S,N.conv0);return z=j.s(z,[2,2],[2,2],"same"),z=Pn(z,N.conv1),z=j.s(z,[2,2],[2,2],"same"),z=Pn(z,N.conv2),z=j.s(z,[2,2],[2,2],"same"),z=Pn(z,N.conv3),z=j.s(z,[2,2],[2,2],"same"),z=Pn(z,N.conv4),z=j.s(z,[2,2],[2,2],"same"),z=Pn(z,N.conv5),z=j.s(z,[2,2],[1,1],"same"),z=N.conv6?Pn(z,N.conv6):z,z=N.conv7?Pn(z,N.conv7):z,an(z,N.conv8,"valid",!1)},b.prototype.forwardInput=function(S,N){var z=this,ae=this.params;if(!ae)throw new Error("TinyYolov2 - load model before inference");return j.L(function(){var me=S.toBatchTensor(N,!1).toFloat();return 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We=At.sent(),Ce.dispose(),Ie.dispose(),ze=We.map(function(mt){return mt.box}),qe=We.map(function(mt){return mt.score}),it=We.map(function(mt){return mt.classScore}),vt=We.map(function(mt){return Dt.config.classes[mt.label]}),wt=Re(ze.map(function(mt){return mt.rescale(ae)}),qe,this.config.iouThreshold,!0),Ct=wt.map(function(mt){return new pe(qe[mt],it[mt],vt[mt],ze[mt],De)}),[2,Ct]}})})},b.prototype.getDefaultModelName=function(){return""},b.prototype.extractParamsFromWeigthMap=function(S){return Ms(S,this.config)},b.prototype.extractParams=function(S){var N=this.config.filterSizes||b.DEFAULT_FILTER_SIZES,z=N?N.length:void 0;if(z!==7&&z!==8&&z!==9)throw new Error("TinyYolov2 - expected 7 | 8 | 9 convolutional filters, but found "+z+" filterSizes in config");return Ns(S,this.config,this.boxEncodingSize,N)},b.prototype.extractBoxes=function(S,N,z){return Object(L.b)(this,void 0,void 0,function(){var ae,me,fe,Ce,Ie,De,We,ze,qe,it,vt,wt,Ct,Dt,At,mt,_t,Wt,sr,vr,or,Gt,Ut,kr,lr,Xr,Yr,Rt,tn,ur=this;return Object(L.d)(this,function(_r){switch(_r.label){case 0:return ae=N.width,me=N.height,fe=Math.max(ae,me),Ce=fe/ae,Ie=fe/me,De=S.shape[1],We=this.config.anchors.length,ze=j.L(function(){var Un=S.reshape([De,De,We,ur.boxEncodingSize]),Rn=Un.slice([0,0,0,0],[De,De,We,4]),Ko=Un.slice([0,0,0,4],[De,De,We,1]),Wn=ur.withClassScores?j.D(Un.slice([0,0,0,5],[De,De,We,ur.config.classes.length]),3):j.y(0);return[Rn,Ko,Wn]}),qe=ze[0],it=ze[1],vt=ze[2],wt=[],[4,it.array()];case 1:return Ct=_r.sent(),[4,qe.array()];case 2:Dt=_r.sent(),At=0,_r.label=3;case 3:if(!(At<De))return[3,12];mt=0,_r.label=4;case 4:if(!(mt<De))return[3,11];_t=0,_r.label=5;case 5:return _t<We?(Wt=lt(Ct[At][mt][_t][0]),!z||Wt>z?(sr=(mt+lt(Dt[At][mt][_t][0]))/De*Ce,vr=(At+lt(Dt[At][mt][_t][1]))/De*Ie,or=Math.exp(Dt[At][mt][_t][2])*this.config.anchors[_t].x/De*Ce,Gt=Math.exp(Dt[At][mt][_t][3])*this.config.anchors[_t].y/De*Ie,Ut=sr-or/2,kr=vr-Gt/2,lr={row:At,col:mt,anchor:_t},this.withClassScores?[4,this.extractPredictedClass(vt,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,wt.push(Object(L.a)({box:new $e(Ut,kr,Ut+or,kr+Gt),score:Wt,classScore:Wt*Yr,label:Rt},lr)),_r.label=9;case 9:return _t++,[3,5];case 10:return mt++,[3,4];case 11:return At++,[3,3];case 12:return qe.dispose(),it.dispose(),vt.dispose(),[2,wt]}})})},b.prototype.extractPredictedClass=function(S,N){return Object(L.b)(this,void 0,void 0,function(){var z,ae,me,fe;return Object(L.d)(this,function(Ce){switch(Ce.label){case 0:return z=N.row,ae=N.col,me=N.anchor,[4,S.array()];case 1:return 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S=Jn(R,b),N=na(R,b);function z(Ie,De){var We=j.H(R(Ie));return b.push({paramPath:De}),We}function ae(Ie,De,We){We===void 0&&(We=!1);var ze=S(Ie[0],Ie[1],3,De+"/conv1"),qe=z(Ie[1],De+"/prelu1_alpha"),it=S(Ie[1],Ie[2],3,De+"/conv2"),vt=z(Ie[2],De+"/prelu2_alpha"),wt=S(Ie[2],Ie[3],We?2:3,De+"/conv3"),Ct=z(Ie[3],De+"/prelu3_alpha");return{conv1:ze,prelu1_alpha:qe,conv2:it,prelu2_alpha:vt,conv3:wt,prelu3_alpha:Ct}}function me(){var Ie=ae([3,10,16,32],"pnet"),De=S(32,2,1,"pnet/conv4_1"),We=S(32,4,1,"pnet/conv4_2");return Object(L.a)(Object(L.a)({},Ie),{conv4_1:De,conv4_2:We})}function fe(){var Ie=ae([3,28,48,64],"rnet",!0),De=N(576,128,"rnet/fc1"),We=z(128,"rnet/prelu4_alpha"),ze=N(128,2,"rnet/fc2_1"),qe=N(128,4,"rnet/fc2_2");return Object(L.a)(Object(L.a)({},Ie),{fc1:De,prelu4_alpha:We,fc2_1:ze,fc2_2:qe})}function Ce(){var 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ae,me,fe,Ce,Ie,De,We,ze,qe,it,vt,wt,Ct,Dt,At;return Object(L.d)(this,function(mt){switch(mt.label){case 0:return ae=Date.now(),[4,oi(R,b,{width:48,height:48})];case 1:return me=mt.sent(),z.stage3_extractImagePatches=Date.now()-ae,ae=Date.now(),fe=me.map(function(_t){var Wt=Vi(_t,N);return _t.dispose(),Wt}),z.stage3_onet=Date.now()-ae,Ce=fe.length>1?j.h(fe.map(function(_t){return _t.scores})):fe[0].scores,We=(De=Array).from,[4,Ce.data()];case 2:return Ie=We.apply(De,[mt.sent()]),Ce.dispose(),ze=Ie.map(function(_t,Wt){return{score:_t,idx:Wt}}).filter(function(_t){return _t.score>S}).map(function(_t){var Wt=_t.idx;return Wt}),qe=ze.map(function(_t){var Wt=fe[_t].regions.arraySync();return new Ln(Wt[0][0],Wt[0][1],Wt[0][2],Wt[0][3])}),it=ze.map(function(_t,Wt){return b[_t].calibrate(qe[Wt])}),vt=ze.map(function(_t){return Ie[_t]}),wt=[],Ct=[],Dt=[],it.length>0&&(ae=Date.now(),At=Re(it,vt,.7,!1),z.stage3_nms=Date.now()-ae,wt=At.map(function(_t){return it[_t]}),Ct=At.map(function(_t){return 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ne,he,le,_e;if(!X.isOpen){if(!this.root&&this.currentLevel===0&&X.type===y.Element&&(this.root=X),he="",X.type===y.Element){this.writerOptions.state=l.OpenTag,he=this.writer.indent(X,this.writerOptions,this.currentLevel)+"<"+X.name,_e=X.attribs;for(le in _e){if(!q.call(_e,le))continue;ne=_e[le],he+=this.writer.attribute(ne,this.writerOptions,this.currentLevel)}he+=(X.children?">":"/>")+this.writer.endline(X,this.writerOptions,this.currentLevel),this.writerOptions.state=l.InsideTag}else this.writerOptions.state=l.OpenTag,he=this.writer.indent(X,this.writerOptions,this.currentLevel)+"<!DOCTYPE "+X.rootNodeName,X.pubID&&X.sysID?he+=' PUBLIC "'+X.pubID+'" "'+X.sysID+'"':X.sysID&&(he+=' SYSTEM "'+X.sysID+'"'),X.children?(he+=" [",this.writerOptions.state=l.InsideTag):(this.writerOptions.state=l.CloseTag,he+=">"),he+=this.writer.endline(X,this.writerOptions,this.currentLevel);return this.onData(he,this.currentLevel),X.isOpen=!0}},w.prototype.closeNode=function(X){var ne;if(!X.isClosed)return 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F=this._key,J=F.words,H=[],K=0;K<56;K++){var Y=v[K]-1;H[K]=J[Y>>>5]>>>31-Y%32&1}for(var W=this._subKeys=[],U=0;U<16;U++){for(var _=W[U]=[],te=p[U],K=0;K<24;K++)_[K/6|0]|=H[(h[K]-1+te)%28]<<31-K%6,_[4+(K/6|0)]|=H[28+(h[K+24]-1+te)%28]<<31-K%6;_[0]=_[0]<<1|_[0]>>>31;for(var K=1;K<7;K++)_[K]=_[K]>>>(K-1)*4+3;_[7]=_[7]<<5|_[7]>>>27}for(var q=this._invSubKeys=[],K=0;K<16;K++)q[K]=W[15-K]},encryptBlock:function(F,J){this._doCryptBlock(F,J,this._subKeys)},decryptBlock:function(F,J){this._doCryptBlock(F,J,this._invSubKeys)},_doCryptBlock:function(F,J,H){this._lBlock=F[J],this._rBlock=F[J+1],g.call(this,4,252645135),g.call(this,16,65535),T.call(this,2,858993459),T.call(this,8,16711935),g.call(this,1,1431655765);for(var K=0;K<16;K++){for(var Y=H[K],W=this._lBlock,U=this._rBlock,_=0,te=0;te<8;te++)_|=c[te][((U^Y[te])&m[te])>>>0];this._lBlock=U,this._rBlock=W^_}var q=this._lBlock;this._lBlock=this._rBlock,this._rBlock=q,g.call(this,1,1431655765),T.call(this,8,16711935),T.call(this,2,858993459),g.call(this,16,65535),g.call(this,4,252645135),F[J]=this._lBlock,F[J+1]=this._rBlock},keySize:64/32,ivSize:64/32,blockSize:64/32});function g(F,J){var H=(this._lBlock>>>F^this._rBlock)&J;this._rBlock^=H,this._lBlock^=H<<F}function T(F,J){var H=(this._rBlock>>>F^this._lBlock)&J;this._lBlock^=H,this._rBlock^=H<<F}l.DES=A._createHelper(C);var B=x.TripleDES=A.extend({_doReset:function(){var F=this._key,J=F.words;if(J.length!==2&&J.length!==4&&J.length<6)throw new Error("Invalid key length - 3DES requires the key length to be 64, 128, 192 or >192.");var H=J.slice(0,2),K=J.length<4?J.slice(0,2):J.slice(2,4),Y=J.length<6?J.slice(0,2):J.slice(4,6);this._des1=C.createEncryptor(D.create(H)),this._des2=C.createEncryptor(D.create(K)),this._des3=C.createEncryptor(D.create(Y))},encryptBlock:function(F,J){this._des1.encryptBlock(F,J),this._des2.decryptBlock(F,J),this._des3.encryptBlock(F,J)},decryptBlock:function(F,J){this._des3.decryptBlock(F,J),this._des2.encryptBlock(F,J),this._des1.decryptBlock(F,J)},keySize:192/32,ivSize:64/32,blockSize:64/32});l.TripleDES=A._createHelper(B)}(),y.TripleDES})},qBft:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("OLod"))})(this,function(y){return y.pad.AnsiX923={pad:function(l,M){var D=l.sigBytes,A=M*4,x=A-D%A,v=D+x-1;l.clamp(),l.words[v>>>2]|=x<<24-v%4*8,l.sigBytes+=x},unpad:function(l){var M=l.words[l.sigBytes-1>>>2]&255;l.sigBytes-=M}},y.pad.Ansix923})},qM6L:function(d,V,O){(function(y,l){d.exports=V=l(O("Ib8C"))})(this,function(y){return function(){var l=y,M=l.lib,D=M.WordArray,A=l.enc,x=A.Utf16=A.Utf16BE={stringify:function(h){for(var p=h.words,c=h.sigBytes,m=[],C=0;C<c;C+=2){var g=p[C>>>2]>>>16-C%4*8&65535;m.push(String.fromCharCode(g))}return m.join("")},parse:function(h){for(var p=h.length,c=[],m=0;m<p;m++)c[m>>>1]|=h.charCodeAt(m)<<16-m%2*16;return D.create(c,p*2)}};A.Utf16LE={stringify:function(h){for(var p=h.words,c=h.sigBytes,m=[],C=0;C<c;C+=2){var g=v(p[C>>>2]>>>16-C%4*8&65535);m.push(String.fromCharCode(g))}return m.join("")},parse:function(h){for(var p=h.length,c=[],m=0;m<p;m++)c[m>>>1]|=v(h.charCodeAt(m)<<16-m%2*16);return D.create(c,p*2)}};function v(h){return h<<8&4278255360|h>>>8&16711935}}(),y.enc.Utf16})},qu8F:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("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 l=y.lib.BlockCipherMode.extend();function M(x){if((x>>24&255)===255){var v=x>>16&255,h=x>>8&255,p=x&255;v===255?(v=0,h===255?(h=0,p===255?p=0:++p):++h):++v,x=0,x+=v<<16,x+=h<<8,x+=p}else x+=1<<24;return x}function D(x){return(x[0]=M(x[0]))===0&&(x[1]=M(x[1])),x}var A=l.Encryptor=l.extend({processBlock:function(x,v){var h=this._cipher,p=h.blockSize,c=this._iv,m=this._counter;c&&(m=this._counter=c.slice(0),this._iv=void 0),D(m);var C=m.slice(0);h.encryptBlock(C,0);for(var g=0;g<p;g++)x[v+g]^=C[g]}});return l.Decryptor=A,l}(),y.mode.CTRGladman})},rOjP:function(d,V,O){"use strict";O.d(V,"a",function(){return y});function y(l){var M="";if(!l)try{l=O("Og1z")}catch(A){M=A.toString()}var D=l?function(A){return new Promise(function(x,v){l.readFile(A,function(h,p){return h?v(h):x(p)})})}:function(){throw new Error("readFile - failed to require fs in nodejs environment with error: "+M)};return{readFile:D}}},rcnY:function(d,V,O){var y=O("aRTE");function l(M,D){this.totalCount=M,this.dataCount=D}l.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]],l.getRSBlocks=function(M,D){var A=l.getRsBlockTable(M,D);if(A==null)throw new Error("bad rs block @ typeNumber:"+M+"/errorCorrectLevel:"+D);for(var x=A.length/3,v=new Array,h=0;h<x;h++)for(var p=A[h*3+0],c=A[h*3+1],m=A[h*3+2],C=0;C<p;C++)v.push(new l(c,m));return v},l.getRsBlockTable=function(M,D){switch(D){case y.L:return l.RS_BLOCK_TABLE[(M-1)*4+0];case y.M:return l.RS_BLOCK_TABLE[(M-1)*4+1];case y.Q:return l.RS_BLOCK_TABLE[(M-1)*4+2];case y.H:return l.RS_BLOCK_TABLE[(M-1)*4+3];default:return}},d.exports=l},uGsb:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("MlIO"),O("1uat"))})(this,function(y){return function(){var l=y,M=l.x64,D=M.Word,A=M.WordArray,x=l.algo,v=x.SHA512,h=x.SHA384=v.extend({_doReset:function(){this._hash=new A.init([new D.init(3418070365,3238371032),new D.init(1654270250,914150663),new D.init(2438529370,812702999),new D.init(355462360,4144912697),new D.init(1731405415,4290775857),new D.init(2394180231,1750603025),new D.init(3675008525,1694076839),new D.init(1203062813,3204075428)])},_doFinalize:function(){var p=v._doFinalize.call(this);return p.sigBytes-=16,p}});l.SHA384=v._createHelper(h),l.HmacSHA384=v._createHmacHelper(h)}(),y.SHA384})},uGxW:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("OLod"))})(this,function(y){return y.pad.NoPadding={pad:function(){},unpad:function(){}},y.pad.NoPadding})},w7YG:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("ETIr"),O("cv67"),O("K3mO"),O("OLod"))})(this,function(y){return function(){var l=y,M=l.lib,D=M.StreamCipher,A=l.algo,x=A.RC4=D.extend({_doReset:function(){for(var p=this._key,c=p.words,m=p.sigBytes,C=this._S=[],g=0;g<256;g++)C[g]=g;for(var g=0,T=0;g<256;g++){var B=g%m,F=c[B>>>2]>>>24-B%4*8&255;T=(T+C[g]+F)%256;var J=C[g];C[g]=C[T],C[T]=J}this._i=this._j=0},_doProcessBlock:function(p,c){p[c]^=v.call(this)},keySize:256/32,ivSize:0});function v(){for(var p=this._S,c=this._i,m=this._j,C=0,g=0;g<4;g++){c=(c+1)%256,m=(m+p[c])%256;var T=p[c];p[c]=p[m],p[m]=T,C|=p[(p[c]+p[m])%256]<<24-g*8}return this._i=c,this._j=m,C}l.RC4=D._createHelper(x);var h=A.RC4Drop=x.extend({cfg:x.cfg.extend({drop:192}),_doReset:function(){x._doReset.call(this);for(var p=this.cfg.drop;p>0;p--)v.call(this)}});l.RC4Drop=D._createHelper(h)}(),y.RC4})},wU8J:function(d,V){function O(){this.buffer=new Array,this.length=0}O.prototype={get:function(y){var l=Math.floor(y/8);return(this.buffer[l]>>>7-y%8&1)==1},put:function(y,l){for(var M=0;M<l;M++)this.putBit((y>>>l-M-1&1)==1)},getLengthInBits:function(){return this.length},putBit:function(y){var l=Math.floor(this.length/8);this.buffer.length<=l&&this.buffer.push(0),y&&(this.buffer[l]|=128>>>this.length%8),this.length++}},d.exports=O},wZgz:function(d,V,O){(function(y,l,M){d.exports=V=l(O("Ib8C"),O("ETIr"),O("cv67"),O("K3mO"),O("OLod"))})(this,function(y){return function(){var l=y,M=l.lib,D=M.BlockCipher,A=l.algo,x=[],v=[],h=[],p=[],c=[],m=[],C=[],g=[],T=[],B=[];(function(){for(var H=[],K=0;K<256;K++)K<128?H[K]=K<<1:H[K]=K<<1^283;for(var Y=0,W=0,K=0;K<256;K++){var U=W^W<<1^W<<2^W<<3^W<<4;U=U>>>8^U&255^99,x[Y]=U,v[U]=Y;var _=H[Y],te=H[_],q=H[te],w=H[U]*257^U*16843008;h[Y]=w<<24|w>>>8,p[Y]=w<<16|w>>>16,c[Y]=w<<8|w>>>24,m[Y]=w;var w=q*16843009^te*65537^_*257^Y*16843008;C[U]=w<<24|w>>>8,g[U]=w<<16|w>>>16,T[U]=w<<8|w>>>24,B[U]=w,Y?(Y=_^H[H[H[q^_]]],W^=H[H[W]]):Y=W=1}})();var F=[0,1,2,4,8,16,32,64,128,27,54],J=A.AES=D.extend({_doReset:function(){var H;if(this._nRounds&&this._keyPriorReset===this._key)return;for(var K=this._keyPriorReset=this._key,Y=K.words,W=K.sigBytes/4,U=this._nRounds=W+6,_=(U+1)*4,te=this._keySchedule=[],q=0;q<_;q++)q<W?te[q]=Y[q]:(H=te[q-1],q%W?W>6&&q%W==4&&(H=x[H>>>24]<<24|x[H>>>16&255]<<16|x[H>>>8&255]<<8|x[H&255]):(H=H<<8|H>>>24,H=x[H>>>24]<<24|x[H>>>16&255]<<16|x[H>>>8&255]<<8|x[H&255],H^=F[q/W|0]<<24),te[q]=te[q-W]^H);for(var w=this._invKeySchedule=[],X=0;X<_;X++){var q=_-X;if(X%4)var H=te[q];else var H=te[q-4];X<4||q<=4?w[X]=H:w[X]=C[x[H>>>24]]^g[x[H>>>16&255]]^T[x[H>>>8&255]]^B[x[H&255]]}},encryptBlock:function(H,K){this._doCryptBlock(H,K,this._keySchedule,h,p,c,m,x)},decryptBlock:function(H,K){var Y=H[K+1];H[K+1]=H[K+3],H[K+3]=Y,this._doCryptBlock(H,K,this._invKeySchedule,C,g,T,B,v);var Y=H[K+1];H[K+1]=H[K+3],H[K+3]=Y},_doCryptBlock:function(H,K,Y,W,U,_,te,q){for(var w=this._nRounds,X=H[K]^Y[0],ne=H[K+1]^Y[1],he=H[K+2]^Y[2],le=H[K+3]^Y[3],_e=4,se=1;se<w;se++){var be=W[X>>>24]^U[ne>>>16&255]^_[he>>>8&255]^te[le&255]^Y[_e++],j=W[ne>>>24]^U[he>>>16&255]^_[le>>>8&255]^te[X&255]^Y[_e++],Q=W[he>>>24]^U[le>>>16&255]^_[X>>>8&255]^te[ne&255]^Y[_e++],L=W[le>>>24]^U[X>>>16&255]^_[ne>>>8&255]^te[he&255]^Y[_e++];X=be,ne=j,he=Q,le=L}var be=(q[X>>>24]<<24|q[ne>>>16&255]<<16|q[he>>>8&255]<<8|q[le&255])^Y[_e++],j=(q[ne>>>24]<<24|q[he>>>16&255]<<16|q[le>>>8&255]<<8|q[X&255])^Y[_e++],Q=(q[he>>>24]<<24|q[le>>>16&255]<<16|q[X>>>8&255]<<8|q[ne&255])^Y[_e++],L=(q[le>>>24]<<24|q[X>>>16&255]<<16|q[ne>>>8&255]<<8|q[he&255])^Y[_e++];H[K]=be,H[K+1]=j,H[K+2]=Q,H[K+3]=L},keySize:256/32});l.AES=D._createHelper(J)}(),y.AES})},wbyO:function(d,V,O){(function(y,l){d.exports=V=l(O("Ib8C"))})(this,function(y){return function(){var l=y,M=l.lib,D=M.WordArray,A=l.enc,x=A.Base64url={stringify:function(h,p=!0){var c=h.words,m=h.sigBytes,C=p?this._safe_map:this._map;h.clamp();for(var g=[],T=0;T<m;T+=3)for(var B=c[T>>>2]>>>24-T%4*8&255,F=c[T+1>>>2]>>>24-(T+1)%4*8&255,J=c[T+2>>>2]>>>24-(T+2)%4*8&255,H=B<<16|F<<8|J,K=0;K<4&&T+K*.75<m;K++)g.push(C.charAt(H>>>6*(3-K)&63));var Y=C.charAt(64);if(Y)for(;g.length%4;)g.push(Y);return g.join("")},parse:function(h,p=!0){var c=h.length,m=p?this._safe_map:this._map,C=this._reverseMap;if(!C){C=this._reverseMap=[];for(var g=0;g<m.length;g++)C[m.charCodeAt(g)]=g}var T=m.charAt(64);if(T){var B=h.indexOf(T);B!==-1&&(c=B)}return v(h,c,C)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",_safe_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"};function v(h,p,c){for(var m=[],C=0,g=0;g<p;g++)if(g%4){var T=c[h.charCodeAt(g-1)]<<g%4*2,B=c[h.charCodeAt(g)]>>>6-g%4*2,F=T|B;m[C>>>2]|=F<<24-C%4*8,C++}return D.create(m,C)}}(),y.enc.Base64url})},yPBj:function(d,V,O){d.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"}}}]);