/* Human homepage: author: ' */ var n$=Object.create,Yd=Object.defineProperty,s$=Object.getOwnPropertyDescriptor,nk=Object.getOwnPropertyNames,r$=Object.getPrototypeOf,a$=Object.prototype.hasOwnProperty,o$=e=>Yd(e,"__esModule",{value:!0}),zt=(e,t)=>function(){return t||(0,e[nk(e)[0]])((t={exports:{}}).exports,t),t.exports},Ee=(e,t)=>{for(var n in t)Yd(e,n,{get:t[n],enumerable:!0})},i$=(e,t,n,s)=>{if(t&&typeof t=="object"||typeof t=="function")for(let r of nk(t))!a$.call(e,r)&&(n||r!=="default")&&Yd(e,r,{get:()=>t[r],enumerable:!(s=s$(t,r))||s.enumerable});return e},wa=(e,t)=>i$(o$(Yd(e!=null?n$(r$(e)):{},"default",!t&&e&&e.__esModule?{get:()=>e.default,enumerable:!0}:{value:e,enumerable:!0})),e),u$=zt({"src/node_modules/long/src/long.js"(e,t){t.exports=s;var n=null;try{n=new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([0,97,115,109,1,0,0,0,1,13,2,96,0,1,127,96,4,127,127,127,127,1,127,3,7,6,0,1,1,1,1,1,6,6,1,127,1,65,0,11,7,50,6,3,109,117,108,0,1,5,100,105,118,95,115,0,2,5,100,105,118,95,117,0,3,5,114,101,109,95,115,0,4,5,114,101,109,95,117,0,5,8,103,101,116,95,104,105,103,104,0,0,10,191,1,6,4,0,35,0,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,126,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,127,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,128,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,129,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,130,34,4,66,32,135,167,36,0,32,4,167,11])),{}).exports}catch(D){}function s(D,T,L){this.low=D|0,this.high=T|0,this.unsigned=!!L}s.prototype.__isLong__,Object.defineProperty(s.prototype,"__isLong__",{value:!0});function r(D){return(D&&D.__isLong__)===!0}s.isLong=r;var a={},o={};function i(D,T){var L,W,j;return T?(D>>>=0,(j=0<=D&&D<256)&&(W=o[D],W)?W:(L=l(D,(D|0)<0?-1:0,!0),j&&(o[D]=L),L)):(D|=0,(j=-128<=D&&D<128)&&(W=a[D],W)?W:(L=l(D,D<0?-1:0,!1),j&&(a[D]=L),L))}s.fromInt=i;function u(D,T){if(isNaN(D))return T?x:v;if(T){if(D<0)return x;if(D>=g)return E}else{if(D<=-b)return P;if(D+1>=b)return R}return D<0?u(-D,T).neg():l(D%m|0,D/m|0,T)}s.fromNumber=u;function l(D,T,L){return new s(D,T,L)}s.fromBits=l;var c=Math.pow;function p(D,T,L){if(D.length===0)throw Error("empty string");if(D==="NaN"||D==="Infinity"||D==="+Infinity"||D==="-Infinity")return v;if(typeof T=="number"?(L=T,T=!1):T=!!T,L=L||10,L<2||360)throw Error("interior hyphen");if(W===0)return p(D.substring(1),T,L).neg();for(var j=u(c(L,8)),Y=v,X=0;X>>0:this.low},A.toNumber=function(){return this.unsigned?(this.high>>>0)*m+(this.low>>>0):this.high*m+(this.low>>>0)},A.toString=function(T){if(T=T||10,T<2||36>>0,se=ee.toString(T);if(X=ne,X.isZero())return se+Z;for(;se.length<6;)se="0"+se;Z=""+se+Z}},A.getHighBits=function(){return this.high},A.getHighBitsUnsigned=function(){return this.high>>>0},A.getLowBits=function(){return this.low},A.getLowBitsUnsigned=function(){return this.low>>>0},A.getNumBitsAbs=function(){if(this.isNegative())return this.eq(P)?64:this.neg().getNumBitsAbs();for(var T=this.high!=0?this.high:this.low,L=31;L>0&&(T&1<=0},A.isOdd=function(){return(this.low&1)===1},A.isEven=function(){return(this.low&1)===0},A.equals=function(T){return r(T)||(T=d(T)),this.unsigned!==T.unsigned&&this.high>>>31===1&&T.high>>>31===1?!1:this.high===T.high&&this.low===T.low},A.eq=A.equals,A.notEquals=function(T){return!this.eq(T)},A.neq=A.notEquals,A.ne=A.notEquals,A.lessThan=function(T){return this.comp(T)<0},A.lt=A.lessThan,A.lessThanOrEqual=function(T){return this.comp(T)<=0},A.lte=A.lessThanOrEqual,A.le=A.lessThanOrEqual,A.greaterThan=function(T){return this.comp(T)>0},A.gt=A.greaterThan,A.greaterThanOrEqual=function(T){return this.comp(T)>=0},A.gte=A.greaterThanOrEqual,A.ge=A.greaterThanOrEqual,A.compare=function(T){if(r(T)||(T=d(T)),this.eq(T))return 0;var L=this.isNegative(),W=T.isNegative();return L&&!W?-1:!L&&W?1:this.unsigned?T.high>>>0>this.high>>>0||T.high===this.high&&T.low>>>0>this.low>>>0?-1:1:this.sub(T).isNegative()?-1:1},A.comp=A.compare,A.negate=function(){return!this.unsigned&&this.eq(P)?P:this.not().add(k)},A.neg=A.negate,A.add=function(T){r(T)||(T=d(T));var L=this.high>>>16,W=this.high&65535,j=this.low>>>16,Y=this.low&65535,X=T.high>>>16,Z=T.high&65535,ne=T.low>>>16,ee=T.low&65535,se=0,te=0,ie=0,ae=0;return ae+=Y+ee,ie+=ae>>>16,ae&=65535,ie+=j+ne,te+=ie>>>16,ie&=65535,te+=W+Z,se+=te>>>16,te&=65535,se+=L+X,se&=65535,l(ie<<16|ae,se<<16|te,this.unsigned)},A.subtract=function(T){return r(T)||(T=d(T)),this.add(T.neg())},A.sub=A.subtract,A.multiply=function(T){if(this.isZero())return v;if(r(T)||(T=d(T)),n){var L=n.mul(this.low,this.high,T.low,T.high);return l(L,n.get_high(),this.unsigned)}if(T.isZero())return v;if(this.eq(P))return T.isOdd()?P:v;if(T.eq(P))return this.isOdd()?P:v;if(this.isNegative())return T.isNegative()?this.neg().mul(T.neg()):this.neg().mul(T).neg();if(T.isNegative())return this.mul(T.neg()).neg();if(this.lt(y)&&T.lt(y))return u(this.toNumber()*T.toNumber(),this.unsigned);var W=this.high>>>16,j=this.high&65535,Y=this.low>>>16,X=this.low&65535,Z=T.high>>>16,ne=T.high&65535,ee=T.low>>>16,se=T.low&65535,te=0,ie=0,ae=0,de=0;return de+=X*se,ae+=de>>>16,de&=65535,ae+=Y*se,ie+=ae>>>16,ae&=65535,ae+=X*ee,ie+=ae>>>16,ae&=65535,ie+=j*se,te+=ie>>>16,ie&=65535,ie+=Y*ee,te+=ie>>>16,ie&=65535,ie+=X*ne,te+=ie>>>16,ie&=65535,te+=W*se+j*ee+Y*ne+X*Z,te&=65535,l(ae<<16|de,te<<16|ie,this.unsigned)},A.mul=A.multiply,A.divide=function(T){if(r(T)||(T=d(T)),T.isZero())throw Error("division by zero");if(n){if(!this.unsigned&&this.high===-2147483648&&T.low===-1&&T.high===-1)return this;var L=(this.unsigned?n.div_u:n.div_s)(this.low,this.high,T.low,T.high);return l(L,n.get_high(),this.unsigned)}if(this.isZero())return this.unsigned?x:v;var W,j,Y;if(this.unsigned){if(T.unsigned||(T=T.toUnsigned()),T.gt(this))return x;if(T.gt(this.shru(1)))return I;Y=x}else{if(this.eq(P)){if(T.eq(k)||T.eq($))return P;if(T.eq(P))return k;var X=this.shr(1);return W=X.div(T).shl(1),W.eq(v)?T.isNegative()?k:$:(j=this.sub(T.mul(W)),Y=W.add(j.div(T)),Y)}else if(T.eq(P))return this.unsigned?x:v;if(this.isNegative())return T.isNegative()?this.neg().div(T.neg()):this.neg().div(T).neg();if(T.isNegative())return this.div(T.neg()).neg();Y=v}for(j=this;j.gte(T);){W=Math.max(1,Math.floor(j.toNumber()/T.toNumber()));for(var Z=Math.ceil(Math.log(W)/Math.LN2),ne=Z<=48?1:c(2,Z-48),ee=u(W),se=ee.mul(T);se.isNegative()||se.gt(j);)W-=ne,ee=u(W,this.unsigned),se=ee.mul(T);ee.isZero()&&(ee=k),Y=Y.add(ee),j=j.sub(se)}return Y},A.div=A.divide,A.modulo=function(T){if(r(T)||(T=d(T)),n){var L=(this.unsigned?n.rem_u:n.rem_s)(this.low,this.high,T.low,T.high);return l(L,n.get_high(),this.unsigned)}return this.sub(this.div(T).mul(T))},A.mod=A.modulo,A.rem=A.modulo,A.not=function(){return l(~this.low,~this.high,this.unsigned)},A.and=function(T){return r(T)||(T=d(T)),l(this.low&T.low,this.high&T.high,this.unsigned)},A.or=function(T){return r(T)||(T=d(T)),l(this.low|T.low,this.high|T.high,this.unsigned)},A.xor=function(T){return r(T)||(T=d(T)),l(this.low^T.low,this.high^T.high,this.unsigned)},A.shiftLeft=function(T){return r(T)&&(T=T.toInt()),(T&=63)===0?this:T<32?l(this.low<>>32-T,this.unsigned):l(0,this.low<>>T|this.high<<32-T,this.high>>T,this.unsigned):l(this.high>>T-32,this.high>=0?0:-1,this.unsigned)},A.shr=A.shiftRight,A.shiftRightUnsigned=function(T){if(r(T)&&(T=T.toInt()),T&=63,T===0)return this;var L=this.high;if(T<32){var W=this.low;return l(W>>>T|L<<32-T,L>>>T,this.unsigned)}else return T===32?l(L,0,this.unsigned):l(L>>>T-32,0,this.unsigned)},A.shru=A.shiftRightUnsigned,A.shr_u=A.shiftRightUnsigned,A.toSigned=function(){return this.unsigned?l(this.low,this.high,!1):this},A.toUnsigned=function(){return this.unsigned?this:l(this.low,this.high,!0)},A.toBytes=function(T){return T?this.toBytesLE():this.toBytesBE()},A.toBytesLE=function(){var T=this.high,L=this.low;return[L&255,L>>>8&255,L>>>16&255,L>>>24,T&255,T>>>8&255,T>>>16&255,T>>>24]},A.toBytesBE=function(){var T=this.high,L=this.low;return[T>>>24,T>>>16&255,T>>>8&255,T&255,L>>>24,L>>>16&255,L>>>8&255,L&255]},s.fromBytes=function(T,L,W){return W?s.fromBytesLE(T,L):s.fromBytesBE(T,L)},s.fromBytesLE=function(T,L){return new s(T[0]|T[1]<<8|T[2]<<16|T[3]<<24,T[4]|T[5]<<8|T[6]<<16|T[7]<<24,L)},s.fromBytesBE=function(T,L){return new s(T[4]<<24|T[5]<<16|T[6]<<8|T[7],T[0]<<24|T[1]<<16|T[2]<<8|T[3],L)}}}),l$=zt({"(disabled):src/node_modules/node-fetch/browser.js"(){}}),c$=zt({"(disabled):util"(){}}),d$=zt({"src/node_modules/seedrandom/lib/alea.js"(e,t){(function(n,s,r){function a(l){var c=this,p=u();c.next=function(){var d=2091639*c.s0+c.c*23283064365386963e-26;return c.s0=c.s1,c.s1=c.s2,c.s2=d-(c.c=d|0)},c.c=1,c.s0=p(" "),c.s1=p(" "),c.s2=p(" "),c.s0-=p(l),c.s0<0&&(c.s0+=1),c.s1-=p(l),c.s1<0&&(c.s1+=1),c.s2-=p(l),c.s2<0&&(c.s2+=1),p=null}function o(l,c){return c.c=l.c,c.s0=l.s0,c.s1=l.s1,c.s2=l.s2,c}function i(l,c){var p=new a(l),d=c&&c.state,h=p.next;return h.int32=function(){return p.next()*4294967296|0},h.double=function(){return h()+(h()*2097152|0)*11102230246251565e-32},h.quick=h,d&&(typeof d=="object"&&o(d,p),h.state=function(){return o(p,{})}),h}function u(){var l=4022871197,c=function(p){p=String(p);for(var d=0;d>>0,h-=l,h*=l,l=h>>>0,h-=l,l+=h*4294967296}return(l>>>0)*23283064365386963e-26};return c}s&&s.exports?s.exports=i:r&&r.amd?r(function(){return i}):this.alea=i})(e,typeof t=="object"&&t,typeof define=="function"&&define)}}),p$=zt({"src/node_modules/seedrandom/lib/xor128.js"(e,t){(function(n,s,r){function a(u){var l=this,c="";l.x=0,l.y=0,l.z=0,l.w=0,l.next=function(){var d=l.x^l.x<<11;return l.x=l.y,l.y=l.z,l.z=l.w,l.w^=l.w>>>19^d^d>>>8},u===(u|0)?l.x=u:c+=u;for(var p=0;p>>0)/4294967296};return d.double=function(){do var h=c.next()>>>11,f=(c.next()>>>0)/4294967296,m=(h+f)/(1<<21);while(m===0);return m},d.int32=c.next,d.quick=d,p&&(typeof p=="object"&&o(p,c),d.state=function(){return o(c,{})}),d}s&&s.exports?s.exports=i:r&&r.amd?r(function(){return i}):this.xor128=i})(e,typeof t=="object"&&t,typeof define=="function"&&define)}}),h$=zt({"src/node_modules/seedrandom/lib/xorwow.js"(e,t){(function(n,s,r){function a(u){var l=this,c="";l.next=function(){var d=l.x^l.x>>>2;return l.x=l.y,l.y=l.z,l.z=l.w,l.w=l.v,(l.d=l.d+362437|0)+(l.v=l.v^l.v<<4^(d^d<<1))|0},l.x=0,l.y=0,l.z=0,l.w=0,l.v=0,u===(u|0)?l.x=u:c+=u;for(var p=0;p>>4),l.next()}function o(u,l){return l.x=u.x,l.y=u.y,l.z=u.z,l.w=u.w,l.v=u.v,l.d=u.d,l}function i(u,l){var c=new a(u),p=l&&l.state,d=function(){return(c.next()>>>0)/4294967296};return d.double=function(){do var h=c.next()>>>11,f=(c.next()>>>0)/4294967296,m=(h+f)/(1<<21);while(m===0);return m},d.int32=c.next,d.quick=d,p&&(typeof p=="object"&&o(p,c),d.state=function(){return o(c,{})}),d}s&&s.exports?s.exports=i:r&&r.amd?r(function(){return i}):this.xorwow=i})(e,typeof t=="object"&&t,typeof define=="function"&&define)}}),f$=zt({"src/node_modules/seedrandom/lib/xorshift7.js"(e,t){(function(n,s,r){function a(u){var l=this;l.next=function(){var p=l.x,d=l.i,h,f,m;return h=p[d],h^=h>>>7,f=h^h<<24,h=p[d+1&7],f^=h^h>>>10,h=p[d+3&7],f^=h^h>>>3,h=p[d+4&7],f^=h^h<<7,h=p[d+7&7],h=h^h<<13,f^=h^h<<9,p[d]=f,l.i=d+1&7,f};function c(p,d){var h,f,m=[];if(d===(d|0))f=m[0]=d;else for(d=""+d,h=0;h0;--h)p.next()}c(l,u)}function o(u,l){return l.x=u.x.slice(),l.i=u.i,l}function i(u,l){u==null&&(u=+new Date);var c=new a(u),p=l&&l.state,d=function(){return(c.next()>>>0)/4294967296};return d.double=function(){do var h=c.next()>>>11,f=(c.next()>>>0)/4294967296,m=(h+f)/(1<<21);while(m===0);return m},d.int32=c.next,d.quick=d,p&&(p.x&&o(p,c),d.state=function(){return o(c,{})}),d}s&&s.exports?s.exports=i:r&&r.amd?r(function(){return i}):this.xorshift7=i})(e,typeof t=="object"&&t,typeof define=="function"&&define)}}),m$=zt({"src/node_modules/seedrandom/lib/xor4096.js"(e,t){(function(n,s,r){function a(u){var l=this;l.next=function(){var p=l.w,d=l.X,h=l.i,f,m;return l.w=p=p+1640531527|0,m=d[h+34&127],f=d[h=h+1&127],m^=m<<13,f^=f<<17,m^=m>>>15,f^=f>>>12,m=d[h]=m^f,l.i=h,m+(p^p>>>16)|0};function c(p,d){var h,f,m,g,b,y=[],v=128;for(d===(d|0)?(f=d,d=null):(d=d+"\0",f=0,v=Math.max(v,d.length)),m=0,g=-32;g>>15,f^=f<<4,f^=f>>>13,g>=0&&(b=b+1640531527|0,h=y[g&127]^=f+b,m=h==0?m+1:0);for(m>=128&&(y[(d&&d.length||0)&127]=-1),m=127,g=4*128;g>0;--g)f=y[m+34&127],h=y[m=m+1&127],f^=f<<13,h^=h<<17,f^=f>>>15,h^=h>>>12,y[m]=f^h;p.w=b,p.X=y,p.i=m}c(l,u)}function o(u,l){return l.i=u.i,l.w=u.w,l.X=u.X.slice(),l}function i(u,l){u==null&&(u=+new Date);var c=new a(u),p=l&&l.state,d=function(){return(c.next()>>>0)/4294967296};return d.double=function(){do var h=c.next()>>>11,f=(c.next()>>>0)/4294967296,m=(h+f)/(1<<21);while(m===0);return m},d.int32=c.next,d.quick=d,p&&(p.X&&o(p,c),d.state=function(){return o(c,{})}),d}s&&s.exports?s.exports=i:r&&r.amd?r(function(){return i}):this.xor4096=i})(e,typeof t=="object"&&t,typeof define=="function"&&define)}}),g$=zt({"src/node_modules/seedrandom/lib/tychei.js"(e,t){(function(n,s,r){function a(u){var l=this,c="";l.next=function(){var d=l.b,h=l.c,f=l.d,m=l.a;return d=d<<25^d>>>7^h,h=h-f|0,f=f<<24^f>>>8^m,m=m-d|0,l.b=d=d<<20^d>>>12^h,l.c=h=h-f|0,l.d=f<<16^h>>>16^m,l.a=m-d|0},l.a=0,l.b=0,l.c=-1640531527,l.d=1367130551,u===Math.floor(u)?(l.a=u/4294967296|0,l.b=u|0):c+=u;for(var p=0;p>>0)/4294967296};return d.double=function(){do var h=c.next()>>>11,f=(c.next()>>>0)/4294967296,m=(h+f)/(1<<21);while(m===0);return m},d.int32=c.next,d.quick=d,p&&(typeof p=="object"&&o(p,c),d.state=function(){return o(c,{})}),d}s&&s.exports?s.exports=i:r&&r.amd?r(function(){return i}):this.tychei=i})(e,typeof t=="object"&&t,typeof define=="function"&&define)}}),b$=zt({"(disabled):crypto"(){}}),y$=zt({"src/node_modules/seedrandom/seedrandom.js"(e,t){(function(n,s,r){var a=256,o=6,i=52,u="random",l=r.pow(a,o),c=r.pow(2,i),p=c*2,d=a-1,h;function f(k,I,$){var R=[];I=I==!0?{entropy:!0}:I||{};var E=y(b(I.entropy?[k,x(s)]:k==null?v():k,3),R),P=new m(R),A=function(){for(var D=P.g(o),T=l,L=0;D=p;)D/=2,T/=2,L>>>=1;return(D+L)/T};return A.int32=function(){return P.g(4)|0},A.quick=function(){return P.g(4)/4294967296},A.double=A,y(x(P.S),s),(I.pass||$||function(D,T,L,W){return W&&(W.S&&g(W,P),D.state=function(){return g(P,{})}),L?(r[u]=D,T):D})(A,E,"global"in I?I.global:this==r,I.state)}function m(k){var I,$=k.length,R=this,E=0,P=R.i=R.j=0,A=R.S=[];for($||(k=[$++]);E{var s=typeof document!="undefined"&&document.currentScript?document.currentScript.src:void 0;return typeof __filename!="undefined"&&(s=s||__filename),function(r){r=r||{};function a(){return Ce.buffer!=nn&&rs(Ce.buffer),cc}function o(){return Ce.buffer!=nn&&rs(Ce.buffer),dc}function i(){return Ce.buffer!=nn&&rs(Ce.buffer),bu}function u(){return Ce.buffer!=nn&&rs(Ce.buffer),pc}function l(){return Ce.buffer!=nn&&rs(Ce.buffer),hc}function c(){return Ce.buffer!=nn&&rs(Ce.buffer),fc}function p(){return Ce.buffer!=nn&&rs(Ce.buffer),mc}var d=typeof r!="undefined"?r:{},h,f;d.ready=new Promise(function(N,F){h=N,f=F});var m;typeof process!="undefined"&&process.listeners&&(m={uncaughtException:process.listeners("uncaughtException"),unhandledRejection:process.listeners("unhandledRejection")});var g=Object.assign({},d),b=[],y="./this.program",v=(N,F)=>{throw F},x=typeof window=="object",k=typeof importScripts=="function",I=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string",$=d.ENVIRONMENT_IS_PTHREAD||!1,R="";function E(N){return d.locateFile?d.locateFile(N,R):R+N}var P,A,D,T;function L(N){if(N instanceof Nu)return;ee("exiting due to exception: "+N)}var W,j,Y;if(I){k?R=bd().dirname(R)+"/":R=__dirname+"/",Y=()=>{j||(W=pg(),j=bd())},P=function(B,Q){return Y(),B=j.normalize(B),W.readFileSync(B,Q?void 0:"utf8")},D=F=>{var B=P(F,!0);return B.buffer||(B=new Uint8Array(B)),B},A=(F,B,Q)=>{Y(),F=j.normalize(F),W.readFile(F,function(ue,he){ue?Q(ue):B(he.buffer)})},process.argv.length>1&&(y=process.argv[1].replace(/\\/g,"/")),b=process.argv.slice(2),process.on("uncaughtException",function(F){if(!(F instanceof Nu))throw F}),process.on("unhandledRejection",function(F){throw F}),v=(F,B)=>{if(Lr())throw process.exitCode=F,B;L(B),process.exit(F)},d.inspect=function(){return"[Emscripten Module object]"};let N;try{N=v$()}catch(F){throw console.error('The "worker_threads" module is not supported in this node.js build - perhaps a newer version is needed?'),F}global.Worker=N.Worker}else(x||k)&&(k?R=self.location.href:typeof document!="undefined"&&document.currentScript&&(R=document.currentScript.src),typeof s!="undefined"&&s&&(R=s),R.indexOf("blob:")!==0?R=R.substr(0,R.replace(/[?#].*/,"").lastIndexOf("/")+1):R="",I||(P=N=>{var F=new XMLHttpRequest;return F.open("GET",N,!1),F.send(null),F.responseText},k&&(D=N=>{var F=new XMLHttpRequest;return F.open("GET",N,!1),F.responseType="arraybuffer",F.send(null),new Uint8Array(F.response)}),A=(N,F,B)=>{var Q=new XMLHttpRequest;Q.open("GET",N,!0),Q.responseType="arraybuffer",Q.onload=()=>{if(Q.status==200||Q.status==0&&Q.response){F(Q.response);return}B()},Q.onerror=B,Q.send(null)}),T=N=>document.title=N);I&&typeof performance=="undefined"&&(global.performance=x$().performance);var X=console.log.bind(console),Z=console.warn.bind(console);I&&(Y(),X=N=>W.writeSync(1,N+` `),Z=N=>W.writeSync(2,N+` `));var ne=d.print||X,ee=d.printErr||Z;Object.assign(d,g),g=null,d.arguments&&(b=d.arguments),d.thisProgram&&(y=d.thisProgram),d.quit&&(v=d.quit);var se=4;function te(N){te.shown||(te.shown={}),te.shown[N]||(te.shown[N]=1,ee(N))}function ie(N,F){if(typeof WebAssembly.Function=="function"){for(var B={i:"i32",j:"i64",f:"f32",d:"f64"},Q={parameters:[],results:F[0]=="v"?[]:[B[F[0]]]},ue=1;ue{Ie=N},Pe=Atomics.load,Xe=Atomics.store,Je=Atomics.compareExchange,Ye;d.wasmBinary&&(Ye=d.wasmBinary);var tt=d.noExitRuntime||!0;typeof WebAssembly!="object"&&$o("no native wasm support detected");var Ce,ut,ot=!1,Jt;function Nt(N,F){N||$o(F)}function In(N){var F=d["_"+N];return F}function Et(N,F,B,Q,ue){var he={string:function(Tn){var Lo=0;if(Tn!=null&&Tn!==0){var dx=(Tn.length<<2)+1;Lo=zo(dx),Ls(Tn,Lo,dx)}return Lo},array:function(Tn){var Lo=zo(Tn.length);return Ms(Tn,Lo),Lo}};function ye(Tn){return F==="string"?tn(Tn):F==="boolean"?Boolean(Tn):Tn}var Te=In(N),bt=[],us=0;if(Q)for(var ls=0;ls(B.buffer instanceof SharedArrayBuffer&&(B=new Uint8Array(B)),F.decode.call(F,B))}var Yt=typeof TextDecoder!="undefined"?new Nn("utf8"):void 0;function Dn(N,F,B){for(var Q=F+B,ue=F;N[ue]&&!(ue>=Q);)++ue;if(ue-F>16&&N.subarray&&Yt)return Yt.decode(N.subarray(F,ue));for(var he="";F>10,56320|us&1023)}}return he}function tn(N,F){return N?Dn(o(),N,F):""}function zs(N,F,B,Q){if(!(Q>0))return 0;for(var ue=B,he=B+Q-1,ye=0;ye=55296&&Te<=57343){var bt=N.charCodeAt(++ye);Te=65536+((Te&1023)<<10)|bt&1023}if(Te<=127){if(B>=he)break;F[B++]=Te}else if(Te<=2047){if(B+1>=he)break;F[B++]=192|Te>>6,F[B++]=128|Te&63}else if(Te<=65535){if(B+2>=he)break;F[B++]=224|Te>>12,F[B++]=128|Te>>6&63,F[B++]=128|Te&63}else{if(B+3>=he)break;F[B++]=240|Te>>18,F[B++]=128|Te>>12&63,F[B++]=128|Te>>6&63,F[B++]=128|Te&63}}return F[B]=0,B-ue}function Ls(N,F,B){return zs(N,o(),F,B)}function Co(N){for(var F=0,B=0;B=55296&&Q<=57343&&(Q=65536+((Q&1023)<<10)|N.charCodeAt(++B)&1023),Q<=127?++F:Q<=2047?F+=2:Q<=65535?F+=3:F+=4}return F}var Zs=typeof TextDecoder!="undefined"?new Nn("utf-16le"):void 0;function Ms(N,F){a().set(N,F)}function gu(N,F,B){for(var Q=0;Q>0]=N.charCodeAt(Q);B||(a()[F>>0]=0)}function No(N,F){return N%F>0&&(N+=F-N%F),N}var nn,cc,dc,bu,pc,hc,Hv,fc,mc;$&&(nn=d.buffer);function rs(N){nn=N,d.HEAP8=cc=new Int8Array(N),d.HEAP16=bu=new Int16Array(N),d.HEAP32=hc=new Int32Array(N),d.HEAPU8=dc=new Uint8Array(N),d.HEAPU16=pc=new Uint16Array(N),d.HEAPU32=Hv=new Uint32Array(N),d.HEAPF32=fc=new Float32Array(N),d.HEAPF64=mc=new Float64Array(N)}var gc=d.INITIAL_MEMORY||16777216;if($)Ce=d.wasmMemory,nn=d.buffer;else if(d.wasmMemory)Ce=d.wasmMemory;else if(Ce=new WebAssembly.Memory({initial:gc/65536,maximum:32768,shared:!0}),!(Ce.buffer instanceof SharedArrayBuffer))throw ee("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag"),I&&console.log("(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and also use a recent version)"),Error("bad memory");Ce&&(nn=Ce.buffer),gc=nn.byteLength,rs(nn);var Fn,To=[],Js=[],ch=[],bc=[],zr=!1,dh=!1,yc=0;function Lr(){return tt||yc>0}function sn(){if(d.preRun)for(typeof d.preRun=="function"&&(d.preRun=[d.preRun]);d.preRun.length;)qv(d.preRun.shift());Sc(To)}function yu(){zr=!0,!$&&Sc(Js)}function ph(){$||($e.terminateAllThreads(),dh=!0)}function hh(){if(!$){if(d.postRun)for(typeof d.postRun=="function"&&(d.postRun=[d.postRun]);d.postRun.length;)vu(d.postRun.shift());Sc(bc)}}function qv(N){To.unshift(N)}function jv(N){Js.unshift(N)}function vu(N){bc.unshift(N)}var er=0,vc=null,as=null;function xu(N){er++,d.monitorRunDependencies&&d.monitorRunDependencies(er)}function Kv(N){if(er--,d.monitorRunDependencies&&d.monitorRunDependencies(er),er==0&&(vc!==null&&(clearInterval(vc),vc=null),as)){var F=as;as=null,F()}}d.preloadedImages={},d.preloadedAudios={};function $o(N){$?postMessage({cmd:"onAbort",arg:N}):d.onAbort&&d.onAbort(N),N="Aborted("+N+")",ee(N),ot=!0,Jt=1,N+=". Build with -s ASSERTIONS=1 for more info.";var F=new WebAssembly.RuntimeError(N);throw f(F),F}var fh="data:application/octet-stream;base64,";function xc(N){return N.startsWith(fh)}function wc(N){return N.startsWith("file://")}var rn;rn="tfjs-backend-wasm-threaded-simd.wasm",xc(rn)||(rn=E(rn));function kc(N){try{if(N==rn&&Ye)return new Uint8Array(Ye);if(D)return D(N);throw"both async and sync fetching of the wasm failed"}catch(F){$o(F)}}function _o(){if(!Ye&&(x||k)){if(typeof fetch=="function"&&!wc(rn))return fetch(rn,{credentials:"same-origin"}).then(function(N){if(!N.ok)throw"failed to load wasm binary file at '"+rn+"'";return N.arrayBuffer()}).catch(function(){return kc(rn)});if(A)return new Promise(function(N,F){A(rn,function(B){N(new Uint8Array(B))},F)})}return Promise.resolve().then(function(){return kc(rn)})}function mh(){var N={env:Oc,wasi_snapshot_preview1:Oc};function F(ye,Te){var bt=ye.exports;if(d.asm=bt,kh(d.asm.emscripten_tls_init),Fn=d.asm.__indirect_function_table,jv(d.asm.__wasm_call_ctors),ut=Te,!$){var us=$e.unusedWorkers.length;$e.unusedWorkers.forEach(function(ls){$e.loadWasmModuleToWorker(ls,function(){--us||Kv("wasm-instantiate")})})}}$||xu("wasm-instantiate");function B(ye){F(ye.instance,ye.module)}function Q(ye){return _o().then(function(Te){return WebAssembly.instantiate(Te,N)}).then(function(Te){return Te}).then(ye,function(Te){ee("failed to asynchronously prepare wasm: "+Te),$o(Te)})}function ue(){return!Ye&&typeof WebAssembly.instantiateStreaming=="function"&&!xc(rn)&&!wc(rn)&&typeof fetch=="function"?fetch(rn,{credentials:"same-origin"}).then(function(ye){var Te=WebAssembly.instantiateStreaming(ye,N);return Te.then(B,function(bt){return ee("wasm streaming compile failed: "+bt),ee("falling back to ArrayBuffer instantiation"),Q(B)})}):Q(B)}if(d.instantiateWasm)try{var he=d.instantiateWasm(N,F);return he}catch(ye){return ee("Module.instantiateWasm callback failed with error: "+ye),!1}return ue().catch(f),{}}var Xv,Yv,gh={};function Sc(N){for(;N.length>0;){var F=N.shift();if(typeof F=="function"){F(d);continue}var B=F.func;typeof B=="number"?F.arg===void 0?Eo(B)():Eo(B)(F.arg):B(F.arg===void 0?null:F.arg)}}function Ao(N){var F=Uf(),B=N();return Bc(F),B}function lT(N){return N}function Qv(N){var F=/\b_Z[\w\d_]+/g;return N.replace(F,function(B){var Q=B;return B===Q?B:Q+" ["+B+"]"})}function bh(N){l()[N>>2]=0;var F=$e.pthreads[N];delete $e.pthreads[N],F.worker.terminate(),Wf(N),$e.runningWorkers.splice($e.runningWorkers.indexOf(F.worker),1),F.worker.pthread=void 0}function yh(N){var F=$e.pthreads[N];F.worker.postMessage({cmd:"cancel"})}function Ic(N){var F=$e.pthreads[N];if(F){l()[N>>2]=0;var B=F.worker;$e.returnWorkerToPool(B)}}function Cc(N){ZT(N)}function vh(N){if(N instanceof Nu||N=="unwind")return Jt;v(1,N)}var $e={unusedWorkers:[],runningWorkers:[],tlsInitFunctions:[],init:function(){$?$e.initWorker():$e.initMainThread()},initMainThread:function(){for(var N=8,F=0;F>2]=0;try{N()}finally{l()[cx>>2]=1}},receiveObjectTransfer:function(N){},threadInit:function(){for(var N in $e.tlsInitFunctions)$e.tlsInitFunctions[N]()},loadWasmModuleToWorker:function(N,F){N.onmessage=B=>{var Q=B.data,ue=Q.cmd;if(N.pthread&&($e.currentProxiedOperationCallerThread=N.pthread.threadInfoStruct),Q.targetThread&&Q.targetThread!=Mc()){var he=$e.pthreads[Q.targetThread];he?he.worker.postMessage(Q,Q.transferList):ee('Internal error! Worker sent a message "'+ue+'" to target pthread '+Q.targetThread+", but that thread no longer exists!"),$e.currentProxiedOperationCallerThread=void 0;return}ue==="processQueuedMainThreadWork"?ax():ue==="spawnThread"?Tc(Q):ue==="cleanupThread"?Ic(Q.thread):ue==="killThread"?bh(Q.thread):ue==="cancelThread"?yh(Q.thread):ue==="loaded"?(N.loaded=!0,F&&F(N),N.runPthread&&(N.runPthread(),delete N.runPthread)):ue==="print"?ne("Thread "+Q.threadId+": "+Q.text):ue==="printErr"?ee("Thread "+Q.threadId+": "+Q.text):ue==="alert"?alert("Thread "+Q.threadId+": "+Q.text):Q.target==="setimmediate"?N.postMessage(Q):ue==="onAbort"?d.onAbort&&d.onAbort(Q.arg):ee("worker sent an unknown command "+ue),$e.currentProxiedOperationCallerThread=void 0},N.onerror=B=>{var Q="worker sent an error!";throw ee(Q+" "+B.filename+":"+B.lineno+": "+B.message),B},I&&(N.on("message",function(B){N.onmessage({data:B})}),N.on("error",function(B){N.onerror(B)}),N.on("detachedExit",function(){})),N.postMessage({cmd:"load",urlOrBlob:d.mainScriptUrlOrBlob||s,wasmMemory:Ce,wasmModule:ut})},allocateUnusedWorker:function(){var N=E("tfjs-backend-wasm-threaded-simd.worker.js");$e.unusedWorkers.push(new Worker(N))},getNewWorker:function(){return $e.unusedWorkers.length==0&&($e.allocateUnusedWorker(),$e.loadWasmModuleToWorker($e.unusedWorkers[0])),$e.unusedWorkers.pop()}};function xh(){var N=Mc(),F=l()[N+44>>2],B=l()[N+48>>2],Q=F-B;lx(F,Q),Bc(F)}d.establishStackSpace=xh;function Nc(N){if($)return Vr(1,0,N);try{Cc(N)}catch(F){vh(F)}}var Mr=[];function Eo(N){var F=Mr[N];return F||(N>=Mr.length&&(Mr.length=N+1),Mr[N]=F=Fn.get(N)),F}function wh(N,F){return Eo(N)(F)}d.invokeEntryPoint=wh;function Zv(){var N=new Error;if(!N.stack){try{throw new Error}catch(F){N=F}if(!N.stack)return"(no stack trace available)"}return N.stack.toString()}function kh(N,F,B){$e.tlsInitFunctions.push(N)}function Jv(N,F){Fn.set(N,F),Mr[N]=F}var Br;I?Br=()=>{var N=process.hrtime();return N[0]*1e3+N[1]/1e6}:$?Br=()=>performance.now()-d.__performance_now_clock_drift:Br=()=>performance.now();var Sh=!0;function Ih(N){return l()[rx()>>2]=N,N}function Ch(N,F){var B;if(N===0)B=Date.now();else if((N===1||N===4)&&Sh)B=Br();else return Ih(28),-1;return l()[F>>2]=B/1e3|0,l()[F+4>>2]=B%1e3*1e3*1e3|0,0}function Nh(N,F){return Ch(N,F)}function Th(N){ox(N,!k,1,!x),$e.threadInit()}function $h(N){$?postMessage({cmd:"cleanupThread",thread:N}):Ic(N)}function Tc(N){var F=$e.getNewWorker();if(!F)return 6;$e.runningWorkers.push(F);var B=$e.pthreads[N.pthread_ptr]={worker:F,threadInfoStruct:N.pthread_ptr};F.pthread=B;var Q={cmd:"run",start_routine:N.startRoutine,arg:N.arg,threadInfoStruct:N.pthread_ptr};return F.runPthread=()=>{Q.time=performance.now(),F.postMessage(Q,N.transferList)},F.loaded&&(F.runPthread(),delete F.runPthread),0}function _h(N,F,B,Q){if(typeof SharedArrayBuffer=="undefined")return ee("Current environment does not support SharedArrayBuffer, pthreads are not available!"),6;var ue=[],he=0;if($&&(ue.length===0||he))return ix(687865856,N,F,B,Q);if(he)return he;var ye={startRoutine:B,pthread_ptr:N,arg:Q,transferList:ue};return $?(ye.cmd="spawnThread",postMessage(ye,ue),0):Tc(ye)}function Ah(){return 2097152}function Eh(N,F){if(N==F)postMessage({cmd:"processQueuedMainThreadWork"});else if($)postMessage({targetThread:N,cmd:"processThreadQueue"});else{var B=$e.pthreads[N],Q=B&&B.worker;if(!Q)return;Q.postMessage({cmd:"processThreadQueue"})}return 1}function Rh(){$o("")}function Dh(){I||k||te("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread")}function $c(){return 2147483648}function Fh(N,F,B){o().copyWithin(N,F,F+B)}function Oh(){return I?w$().cpus().length:navigator.hardwareConcurrency}function Vr(N,F){var B=arguments.length-2,Q=arguments;return Ao(function(){for(var ue=B,he=zo(ue*8),ye=he>>3,Te=0;Te>3,ue=0;ue>>16),rs(Ce.buffer),1}catch(F){}}function Lh(N){var F=o().length;if(N=N>>>0,N<=F)return!1;var B=$c();if(N>B)return!1;for(var Q=1;Q<=4;Q*=2){var ue=F*(1+.2/Q);ue=Math.min(ue,N+100663296);var he=Math.min(B,No(Math.max(N,ue),65536)),ye=zh(he);if(ye)return!0}return!1}var Me={inEventHandler:0,removeAllEventListeners:function(){for(var N=Me.eventHandlers.length-1;N>=0;--N)Me._removeHandler(N);Me.eventHandlers=[],Me.deferredCalls=[]},registerRemoveEventListeners:function(){Me.removeEventListenersRegistered||(ch.push(Me.removeAllEventListeners),Me.removeEventListenersRegistered=!0)},deferredCalls:[],deferCall:function(N,F,B){function Q(ye,Te){if(ye.length!=Te.length)return!1;for(var bt in ye)if(ye[bt]!=Te[bt])return!1;return!0}for(var ue in Me.deferredCalls){var he=Me.deferredCalls[ue];if(he.targetFunction==N&&Q(he.argsList,B))return}Me.deferredCalls.push({targetFunction:N,precedence:F,argsList:B}),Me.deferredCalls.sort(function(ye,Te){return ye.precedence>2]=B,l()[he+4>>2]=Q,l()[he+8>>2]=ue,Vf(N,637534208,F,Q,he)})},getTargetThreadForEventCallback:function(N){switch(N){case 1:return 0;case 2:return $e.currentProxiedOperationCallerThread;default:return N}},getNodeNameForTarget:function(N){return N?N==window?"#window":N==screen?"#screen":N&&N.nodeName?N.nodeName:"":""},fullscreenEnabled:function(){return document.fullscreenEnabled||document.webkitFullscreenEnabled}};function Mh(N){var F=Co(N)+1,B=Bf(F);return Ls(N,B,F),B}function Bh(N,F,B,Q){Ao(function(){var ue=zo(12),he=0;F&&(he=Mh(F)),l()[ue>>2]=he,l()[ue+4>>2]=B,l()[ue+8>>2]=Q,Vf(N,657457152,0,he,ue)})}function Vh(N,F,B,Q){F=F?tn(F):"",Bh(N,F,B,Q)}function Wh(N){return N>2?tn(N):N}var Uh=[0,typeof document!="undefined"?document:0,typeof window!="undefined"?window:0];function Gh(N){N=Wh(N);var F=Uh[N]||(typeof document!="undefined"?document.querySelector(N):void 0);return F}function ku(N){return Gh(N)}function _c(N,F,B){var Q=ku(N);if(!Q)return-4;if(Q.canvasSharedPtr&&(l()[Q.canvasSharedPtr>>2]=F,l()[Q.canvasSharedPtr+4>>2]=B),Q.offscreenCanvas||!Q.controlTransferredOffscreen){Q.offscreenCanvas&&(Q=Q.offscreenCanvas);var ue=!1;if(Q.GLctxObject&&Q.GLctxObject.GLctx){var he=Q.GLctxObject.GLctx.getParameter(2978);ue=he[0]===0&&he[1]===0&&he[2]===Q.width&&he[3]===Q.height}Q.width=F,Q.height=B,ue&&Q.GLctxObject.GLctx.viewport(0,0,F,B)}else if(Q.canvasSharedPtr){var ye=l()[Q.canvasSharedPtr+8>>2];return Vh(ye,N,F,B),1}else return-4;return 0}function Ac(N,F,B){return $?Vr(2,1,N,F,B):_c(N,F,B)}function Hh(N,F,B){var Q=ku(N);return Q?_c(N,F,B):Ac(N,F,B)}function qh(){throw"unwind"}function jh(N){var F=N.getExtension("ANGLE_instanced_arrays");if(F)return N.vertexAttribDivisor=function(B,Q){F.vertexAttribDivisorANGLE(B,Q)},N.drawArraysInstanced=function(B,Q,ue,he){F.drawArraysInstancedANGLE(B,Q,ue,he)},N.drawElementsInstanced=function(B,Q,ue,he,ye){F.drawElementsInstancedANGLE(B,Q,ue,he,ye)},1}function Kh(N){var F=N.getExtension("OES_vertex_array_object");if(F)return N.createVertexArray=function(){return F.createVertexArrayOES()},N.deleteVertexArray=function(B){F.deleteVertexArrayOES(B)},N.bindVertexArray=function(B){F.bindVertexArrayOES(B)},N.isVertexArray=function(B){return F.isVertexArrayOES(B)},1}function Xh(N){var F=N.getExtension("WEBGL_draw_buffers");if(F)return N.drawBuffers=function(B,Q){F.drawBuffersWEBGL(B,Q)},1}function Yh(N){return!!(N.multiDrawWebgl=N.getExtension("WEBGL_multi_draw"))}var gt={counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:{},offscreenCanvases:{},queries:[],stringCache:{},unpackAlignment:4,recordError:function(F){gt.lastError||(gt.lastError=F)},getNewId:function(N){for(var F=gt.counter++,B=N.length;B>2]:-1;ue+=tn(l()[B+he*4>>2],ye<0?void 0:ye)}return ue},createContext:function(N,F){N.getContextSafariWebGL2Fixed||(N.getContextSafariWebGL2Fixed=N.getContext,N.getContext=function(ue,he){var ye=N.getContextSafariWebGL2Fixed(ue,he);return ue=="webgl"==ye instanceof WebGLRenderingContext?ye:null});var B=N.getContext("webgl",F);if(!B)return 0;var Q=gt.registerContext(B,F);return Q},registerContext:function(N,F){var B=Bf(8);l()[B+4>>2]=Mc();var Q={handle:B,attributes:F,version:F.majorVersion,GLctx:N};return N.canvas&&(N.canvas.GLctxObject=Q),gt.contexts[B]=Q,(typeof F.enableExtensionsByDefault=="undefined"||F.enableExtensionsByDefault)&>.initExtensions(Q),B},makeContextCurrent:function(N){return gt.currentContext=gt.contexts[N],d.ctx=Fc=gt.currentContext&>.currentContext.GLctx,!(N&&!Fc)},getContext:function(N){return gt.contexts[N]},deleteContext:function(N){gt.currentContext===gt.contexts[N]&&(gt.currentContext=null),typeof Me=="object"&&Me.removeAllHandlersOnTarget(gt.contexts[N].GLctx.canvas),gt.contexts[N]&>.contexts[N].GLctx.canvas&&(gt.contexts[N].GLctx.canvas.GLctxObject=void 0),sx(gt.contexts[N].handle),gt.contexts[N]=null},initExtensions:function(N){if(N||(N=gt.currentContext),!N.initExtensionsDone){N.initExtensionsDone=!0;var F=N.GLctx;jh(F),Kh(F),Xh(F),F.disjointTimerQueryExt=F.getExtension("EXT_disjoint_timer_query"),Yh(F);var B=F.getSupportedExtensions()||[];B.forEach(function(Q){!Q.includes("lose_context")&&!Q.includes("debug")&&F.getExtension(Q)})}}},Qh=["default","low-power","high-performance"];function Zh(N,F){var B=F>>2,Q=l()[B+6],ue={alpha:!!l()[B+0],depth:!!l()[B+1],stencil:!!l()[B+2],antialias:!!l()[B+3],premultipliedAlpha:!!l()[B+4],preserveDrawingBuffer:!!l()[B+5],powerPreference:Qh[Q],failIfMajorPerformanceCaveat:!!l()[B+7],majorVersion:l()[B+8],minorVersion:l()[B+9],enableExtensionsByDefault:l()[B+10],explicitSwapControl:l()[B+11],proxyContextToMainThread:l()[B+12],renderViaOffscreenBackBuffer:l()[B+13]},he=ku(N);if(!he||ue.explicitSwapControl)return 0;var ye=gt.createContext(he,ue);return ye}function Jh(N,F){return Zh(N,F)}var Ro={mappings:{},buffers:[null,[],[]],printChar:function(N,F){var B=Ro.buffers[N];F===0||F===10?((N===1?ne:ee)(Dn(B,0)),B.length=0):B.push(F)},varargs:void 0,get:function(){Ro.varargs+=4;var N=l()[Ro.varargs-4>>2];return N},getStr:function(N){var F=tn(N);return F},get64:function(N,F){return N}};function Ec(N){return $?Vr(3,1,N):0}function Rc(N,F,B,Q,ue){if($)return Vr(4,1,N,F,B,Q,ue)}function Dc(N,F,B,Q){if($)return Vr(5,1,N,F,B,Q);for(var ue=0,he=0;he>2],Te=l()[F+4>>2];F+=8;for(var bt=0;bt>2]=ue,0}function ef(N){Re(N)}$e.init();var Fc,tf=[null,Nc,Ac,Ec,Rc,Dc],ex=!1,Oc={__clock_gettime:Nh,__emscripten_init_main_thread_js:Th,__emscripten_thread_cleanup:$h,__pthread_create_js:_h,_emscripten_default_pthread_stack_size:Ah,_emscripten_notify_thread_queue:Eh,abort:Rh,emscripten_check_blocking_allowed:Dh,emscripten_get_heap_max:$c,emscripten_get_now:Br,emscripten_memcpy_big:Fh,emscripten_num_logical_cores:Oh,emscripten_receive_on_main_thread_js:Ph,emscripten_resize_heap:Lh,emscripten_set_canvas_element_size:Hh,emscripten_unwind_to_js_event_loop:qh,emscripten_webgl_create_context:Jh,exit:Cc,fd_close:Ec,fd_seek:Rc,fd_write:Dc,memory:Ce||d.wasmMemory,setTempRet0:ef},tx=mh(),nf=d.___wasm_call_ctors=function(){return(nf=d.___wasm_call_ctors=d.asm.__wasm_call_ctors).apply(null,arguments)},sf=d._init=function(){return(sf=d._init=d.asm.init).apply(null,arguments)},rf=d._init_with_threads_count=function(){return(rf=d._init_with_threads_count=d.asm.init_with_threads_count).apply(null,arguments)},af=d._get_threads_count=function(){return(af=d._get_threads_count=d.asm.get_threads_count).apply(null,arguments)},of=d._register_tensor=function(){return(of=d._register_tensor=d.asm.register_tensor).apply(null,arguments)},uf=d._dispose_data=function(){return(uf=d._dispose_data=d.asm.dispose_data).apply(null,arguments)},lf=d._dispose=function(){return(lf=d._dispose=d.asm.dispose).apply(null,arguments)},cf=d._Abs=function(){return(cf=d._Abs=d.asm.Abs).apply(null,arguments)},df=d._Add=function(){return(df=d._Add=d.asm.Add).apply(null,arguments)},pf=d._AddN=function(){return(pf=d._AddN=d.asm.AddN).apply(null,arguments)},hf=d._All=function(){return(hf=d._All=d.asm.All).apply(null,arguments)},ff=d._Any=function(){return(ff=d._Any=d.asm.Any).apply(null,arguments)},mf=d._ArgMax=function(){return(mf=d._ArgMax=d.asm.ArgMax).apply(null,arguments)},gf=d._AvgPool=function(){return(gf=d._AvgPool=d.asm.AvgPool).apply(null,arguments)},bf=d._BatchMatMul=function(){return(bf=d._BatchMatMul=d.asm.BatchMatMul).apply(null,arguments)},yf=d._Ceil=function(){return(yf=d._Ceil=d.asm.Ceil).apply(null,arguments)},vf=d._ClipByValue=function(){return(vf=d._ClipByValue=d.asm.ClipByValue).apply(null,arguments)},xf=d._Conv2D=function(){return(xf=d._Conv2D=d.asm.Conv2D).apply(null,arguments)},wf=d._Conv2DBackpropInput=function(){return(wf=d._Conv2DBackpropInput=d.asm.Conv2DBackpropInput).apply(null,arguments)},kf=d._Cos=function(){return(kf=d._Cos=d.asm.Cos).apply(null,arguments)},Sf=d._Cosh=function(){return(Sf=d._Cosh=d.asm.Cosh).apply(null,arguments)},If=d._CropAndResize=function(){return(If=d._CropAndResize=d.asm.CropAndResize).apply(null,arguments)},Cf=d._Cumprod=function(){return(Cf=d._Cumprod=d.asm.Cumprod).apply(null,arguments)},Nf=d._Cumsum=function(){return(Nf=d._Cumsum=d.asm.Cumsum).apply(null,arguments)},Tf=d._DepthToSpace=function(){return(Tf=d._DepthToSpace=d.asm.DepthToSpace).apply(null,arguments)},$f=d._DepthwiseConv2dNative=function(){return($f=d._DepthwiseConv2dNative=d.asm.DepthwiseConv2dNative).apply(null,arguments)},_f=d._Elu=function(){return(_f=d._Elu=d.asm.Elu).apply(null,arguments)},Af=d._Equal=function(){return(Af=d._Equal=d.asm.Equal).apply(null,arguments)},Ef=d._Exp=function(){return(Ef=d._Exp=d.asm.Exp).apply(null,arguments)},Rf=d._FlipLeftRight=function(){return(Rf=d._FlipLeftRight=d.asm.FlipLeftRight).apply(null,arguments)},Df=d._Floor=function(){return(Df=d._Floor=d.asm.Floor).apply(null,arguments)},Ff=d._FloorDiv=function(){return(Ff=d._FloorDiv=d.asm.FloorDiv).apply(null,arguments)},Of=d._FusedBatchNorm=function(){return(Of=d._FusedBatchNorm=d.asm.FusedBatchNorm).apply(null,arguments)},Pc=d._FusedConv2D=function(){return(Pc=d._FusedConv2D=d.asm.FusedConv2D).apply(null,arguments)},zc=d._FusedDepthwiseConv2D=function(){return(zc=d._FusedDepthwiseConv2D=d.asm.FusedDepthwiseConv2D).apply(null,arguments)},Su=d._Gather=function(){return(Su=d._Gather=d.asm.Gather).apply(null,arguments)},Pf=d._GatherNd=function(){return(Pf=d._GatherNd=d.asm.GatherNd).apply(null,arguments)},zf=d._Greater=function(){return(zf=d._Greater=d.asm.Greater).apply(null,arguments)},Do=d._GreaterEqual=function(){return(Do=d._GreaterEqual=d.asm.GreaterEqual).apply(null,arguments)},Iu=d._LeakyRelu=function(){return(Iu=d._LeakyRelu=d.asm.LeakyRelu).apply(null,arguments)},Cu=d._Less=function(){return(Cu=d._Less=d.asm.Less).apply(null,arguments)},nx=d._LessEqual=function(){return(nx=d._LessEqual=d.asm.LessEqual).apply(null,arguments)},Fo=d._Log=function(){return(Fo=d._Log=d.asm.Log).apply(null,arguments)},Oo=d._LogicalAnd=function(){return(Oo=d._LogicalAnd=d.asm.LogicalAnd).apply(null,arguments)},Lf=d._LogicalNot=function(){return(Lf=d._LogicalNot=d.asm.LogicalNot).apply(null,arguments)},H=d._LogicalOr=function(){return(H=d._LogicalOr=d.asm.LogicalOr).apply(null,arguments)},J=d._LogicalXor=function(){return(J=d._LogicalXor=d.asm.LogicalXor).apply(null,arguments)},ce=d._Max=function(){return(ce=d._Max=d.asm.Max).apply(null,arguments)},Se=d._MaxPool=function(){return(Se=d._MaxPool=d.asm.MaxPool).apply(null,arguments)},Qe=d._Maximum=function(){return(Qe=d._Maximum=d.asm.Maximum).apply(null,arguments)},Ze=d._Mean=function(){return(Ze=d._Mean=d.asm.Mean).apply(null,arguments)},Be=d._Min=function(){return(Be=d._Min=d.asm.Min).apply(null,arguments)},ze=d._Minimum=function(){return(ze=d._Minimum=d.asm.Minimum).apply(null,arguments)},Tt=d._MirrorPad=function(){return(Tt=d._MirrorPad=d.asm.MirrorPad).apply(null,arguments)},os=d._Multiply=function(){return(os=d._Multiply=d.asm.Multiply).apply(null,arguments)},is=d._Neg=function(){return(is=d._Neg=d.asm.Neg).apply(null,arguments)},Po=d._NonMaxSuppressionV3=function(){return(Po=d._NonMaxSuppressionV3=d.asm.NonMaxSuppressionV3).apply(null,arguments)},Wr=d._NonMaxSuppressionV4=function(){return(Wr=d._NonMaxSuppressionV4=d.asm.NonMaxSuppressionV4).apply(null,arguments)},Mf=d._NonMaxSuppressionV5=function(){return(Mf=d._NonMaxSuppressionV5=d.asm.NonMaxSuppressionV5).apply(null,arguments)},an=d._NotEqual=function(){return(an=d._NotEqual=d.asm.NotEqual).apply(null,arguments)},tr=d._OneHot=function(){return(tr=d._OneHot=d.asm.OneHot).apply(null,arguments)},Lc=d._PadV2=function(){return(Lc=d._PadV2=d.asm.PadV2).apply(null,arguments)},cT=d._Pow=function(){return(cT=d._Pow=d.asm.Pow).apply(null,arguments)},dT=d._Prelu=function(){return(dT=d._Prelu=d.asm.Prelu).apply(null,arguments)},pT=d._Prod=function(){return(pT=d._Prod=d.asm.Prod).apply(null,arguments)},hT=d._RealDiv=function(){return(hT=d._RealDiv=d.asm.RealDiv).apply(null,arguments)},fT=d._Relu=function(){return(fT=d._Relu=d.asm.Relu).apply(null,arguments)},mT=d._Relu6=function(){return(mT=d._Relu6=d.asm.Relu6).apply(null,arguments)},gT=d._ResizeBilinear=function(){return(gT=d._ResizeBilinear=d.asm.ResizeBilinear).apply(null,arguments)},bT=d._Reverse=function(){return(bT=d._Reverse=d.asm.Reverse).apply(null,arguments)},yT=d._RotateWithOffset=function(){return(yT=d._RotateWithOffset=d.asm.RotateWithOffset).apply(null,arguments)},vT=d._Round=function(){return(vT=d._Round=d.asm.Round).apply(null,arguments)},xT=d._Rsqrt=function(){return(xT=d._Rsqrt=d.asm.Rsqrt).apply(null,arguments)},wT=d._ScatterNd=function(){return(wT=d._ScatterNd=d.asm.ScatterNd).apply(null,arguments)},kT=d._SelectV2=function(){return(kT=d._SelectV2=d.asm.SelectV2).apply(null,arguments)},ST=d._Sigmoid=function(){return(ST=d._Sigmoid=d.asm.Sigmoid).apply(null,arguments)},IT=d._Sin=function(){return(IT=d._Sin=d.asm.Sin).apply(null,arguments)},CT=d._Softmax=function(){return(CT=d._Softmax=d.asm.Softmax).apply(null,arguments)},NT=d._SparseFillEmptyRows=function(){return(NT=d._SparseFillEmptyRows=d.asm.SparseFillEmptyRows).apply(null,arguments)},TT=d._SparseReshape=function(){return(TT=d._SparseReshape=d.asm.SparseReshape).apply(null,arguments)},$T=d._SparseSegmentReduction=function(){return($T=d._SparseSegmentReduction=d.asm.SparseSegmentReduction).apply(null,arguments)},_T=d._Sqrt=function(){return(_T=d._Sqrt=d.asm.Sqrt).apply(null,arguments)},AT=d._Square=function(){return(AT=d._Square=d.asm.Square).apply(null,arguments)},ET=d._SquaredDifference=function(){return(ET=d._SquaredDifference=d.asm.SquaredDifference).apply(null,arguments)},RT=d._Step=function(){return(RT=d._Step=d.asm.Step).apply(null,arguments)},DT=d._StridedSlice=function(){return(DT=d._StridedSlice=d.asm.StridedSlice).apply(null,arguments)},FT=d._Sub=function(){return(FT=d._Sub=d.asm.Sub).apply(null,arguments)},OT=d._Sum=function(){return(OT=d._Sum=d.asm.Sum).apply(null,arguments)},PT=d._Tan=function(){return(PT=d._Tan=d.asm.Tan).apply(null,arguments)},zT=d._Tanh=function(){return(zT=d._Tanh=d.asm.Tanh).apply(null,arguments)},LT=d._Tile=function(){return(LT=d._Tile=d.asm.Tile).apply(null,arguments)},MT=d._TopK=function(){return(MT=d._TopK=d.asm.TopK).apply(null,arguments)},BT=d._Transform=function(){return(BT=d._Transform=d.asm.Transform).apply(null,arguments)},VT=d._Transpose=function(){return(VT=d._Transpose=d.asm.Transpose).apply(null,arguments)},WT=d.__FusedMatMul=function(){return(WT=d.__FusedMatMul=d.asm._FusedMatMul).apply(null,arguments)},Bf=d._malloc=function(){return(Bf=d._malloc=d.asm.malloc).apply(null,arguments)},sx=d._free=function(){return(sx=d._free=d.asm.free).apply(null,arguments)},UT=d._emscripten_tls_init=function(){return(UT=d._emscripten_tls_init=d.asm.emscripten_tls_init).apply(null,arguments)},rx=d.___errno_location=function(){return(rx=d.___errno_location=d.asm.__errno_location).apply(null,arguments)},Mc=d._pthread_self=function(){return(Mc=d._pthread_self=d.asm.pthread_self).apply(null,arguments)},ax=d._emscripten_main_thread_process_queued_calls=function(){return(ax=d._emscripten_main_thread_process_queued_calls=d.asm.emscripten_main_thread_process_queued_calls).apply(null,arguments)},GT=d.__emscripten_thread_crashed=function(){return(GT=d.__emscripten_thread_crashed=d.asm._emscripten_thread_crashed).apply(null,arguments)},ox=d.__emscripten_thread_init=function(){return(ox=d.__emscripten_thread_init=d.asm._emscripten_thread_init).apply(null,arguments)},HT=d._emscripten_current_thread_process_queued_calls=function(){return(HT=d._emscripten_current_thread_process_queued_calls=d.asm.emscripten_current_thread_process_queued_calls).apply(null,arguments)},qT=d._emscripten_main_browser_thread_id=function(){return(qT=d._emscripten_main_browser_thread_id=d.asm.emscripten_main_browser_thread_id).apply(null,arguments)},jT=d._emscripten_sync_run_in_main_thread_2=function(){return(jT=d._emscripten_sync_run_in_main_thread_2=d.asm.emscripten_sync_run_in_main_thread_2).apply(null,arguments)},ix=d._emscripten_sync_run_in_main_thread_4=function(){return(ix=d._emscripten_sync_run_in_main_thread_4=d.asm.emscripten_sync_run_in_main_thread_4).apply(null,arguments)},ux=d._emscripten_run_in_main_runtime_thread_js=function(){return(ux=d._emscripten_run_in_main_runtime_thread_js=d.asm.emscripten_run_in_main_runtime_thread_js).apply(null,arguments)},Vf=d._emscripten_dispatch_to_thread_=function(){return(Vf=d._emscripten_dispatch_to_thread_=d.asm.emscripten_dispatch_to_thread_).apply(null,arguments)},Wf=d.__emscripten_thread_free_data=function(){return(Wf=d.__emscripten_thread_free_data=d.asm._emscripten_thread_free_data).apply(null,arguments)},KT=d.__emscripten_thread_exit=function(){return(KT=d.__emscripten_thread_exit=d.asm._emscripten_thread_exit).apply(null,arguments)},XT=d._memalign=function(){return(XT=d._memalign=d.asm.memalign).apply(null,arguments)},lx=d._emscripten_stack_set_limits=function(){return(lx=d._emscripten_stack_set_limits=d.asm.emscripten_stack_set_limits).apply(null,arguments)},Uf=d.stackSave=function(){return(Uf=d.stackSave=d.asm.stackSave).apply(null,arguments)},Bc=d.stackRestore=function(){return(Bc=d.stackRestore=d.asm.stackRestore).apply(null,arguments)},zo=d.stackAlloc=function(){return(zo=d.stackAlloc=d.asm.stackAlloc).apply(null,arguments)},YT=d.dynCall_iijjiiii=function(){return(YT=d.dynCall_iijjiiii=d.asm.dynCall_iijjiiii).apply(null,arguments)},QT=d.dynCall_jiji=function(){return(QT=d.dynCall_jiji=d.asm.dynCall_jiji).apply(null,arguments)},cx=d.__emscripten_allow_main_runtime_queued_calls=21664;d.cwrap=en,d.keepRuntimeAlive=Lr,d.PThread=$e,d.PThread=$e,d.wasmMemory=Ce,d.ExitStatus=Nu;var Vc;function Nu(N){this.name="ExitStatus",this.message="Program terminated with exit("+N+")",this.status=N}as=function N(){Vc||Gf(),Vc||(as=N)};function Gf(N){if(N=N||b,er>0)return;if($){h(d),yu(),postMessage({cmd:"loaded"});return}if(sn(),er>0)return;function F(){Vc||(Vc=!0,d.calledRun=!0,!ot&&(yu(),h(d),d.onRuntimeInitialized&&d.onRuntimeInitialized(),hh()))}d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1),F()},1)):F()}d.run=Gf;function ZT(N,F){if(Jt=N,!F&&$)throw Nc(N),"unwind";Lr()||ph(),JT(N)}function JT(N){Jt=N,Lr()||($e.terminateAllThreads(),d.onExit&&d.onExit(N),ot=!0),v(N,new Nu(N))}if(d.preInit)for(typeof d.preInit=="function"&&(d.preInit=[d.preInit]);d.preInit.length>0;)d.preInit.pop()();Gf();var Wc;m&&(Wc={uncaughtException:process.listeners("uncaughtException").filter(function(N){return!m.uncaughtException.indexOf(N)>-1}),unhandledRejection:process.listeners("unhandledRejection").filter(function(N){return!m.unhandledRejection.indexOf(N)>-1})});var Uc;if(typeof WasmBackendModule!="undefined")Uc=WasmBackendModule;else if(typeof r!="undefined")Uc=r;else throw new Error("Could not find wasm module in post.js");if(Wc){var e$=Uc._dispose;Uc._dispose=function(){e$(),Wc.uncaughtException.forEach(function(N){process.removeListener("uncaughtException",N)}),Wc.unhandledRejection.forEach(function(N){process.removeListener("unhandledRejection",N)})}}return r.ready}})();typeof e=="object"&&typeof t=="object"?t.exports=n:typeof define=="function"&&define.amd?define([],function(){return n}):typeof e=="object"&&(e.WasmBackendModuleThreadedSimd=n)}}),S$=zt({"src/tfjs-backend-wasm/wasm-out/tfjs-backend-wasm.js"(e,t){var n=(()=>{var s=typeof document!="undefined"&&document.currentScript?document.currentScript.src:void 0;return typeof __filename!="undefined"&&(s=s||__filename),function(r){r=r||{};var a=typeof r!="undefined"?r:{},o,i;a.ready=new Promise(function(H,J){o=H,i=J});var u;typeof process!="undefined"&&process.listeners&&(u={uncaughtException:process.listeners("uncaughtException"),unhandledRejection:process.listeners("unhandledRejection")});var l=Object.assign({},a),c=[],p="./this.program",d=(H,J)=>{throw J},h=typeof window=="object",f=typeof importScripts=="function",m=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string",g="";function b(H){return a.locateFile?a.locateFile(H,g):g+H}var y,v,x,k;function I(H){if(H instanceof Iu)return;A("exiting due to exception: "+H)}var $,R,E;m?(f?g=bd().dirname(g)+"/":g=__dirname+"/",E=()=>{R||($=pg(),R=bd())},y=function(J,ce){return E(),J=R.normalize(J),$.readFileSync(J,ce?void 0:"utf8")},x=H=>{var J=y(H,!0);return J.buffer||(J=new Uint8Array(J)),J},v=(H,J,ce)=>{E(),H=R.normalize(H),$.readFile(H,function(Se,Qe){Se?ce(Se):J(Qe.buffer)})},process.argv.length>1&&(p=process.argv[1].replace(/\\/g,"/")),c=process.argv.slice(2),process.on("uncaughtException",function(H){if(!(H instanceof Iu))throw H}),process.on("unhandledRejection",function(H){throw H}),d=(H,J)=>{if(bu())throw process.exitCode=H,J;I(J),process.exit(H)},a.inspect=function(){return"[Emscripten Module object]"}):(h||f)&&(f?g=self.location.href:typeof document!="undefined"&&document.currentScript&&(g=document.currentScript.src),s&&(g=s),g.indexOf("blob:")!==0?g=g.substr(0,g.replace(/[?#].*/,"").lastIndexOf("/")+1):g="",y=H=>{var J=new XMLHttpRequest;return J.open("GET",H,!1),J.send(null),J.responseText},f&&(x=H=>{var J=new XMLHttpRequest;return J.open("GET",H,!1),J.responseType="arraybuffer",J.send(null),new Uint8Array(J.response)}),v=(H,J,ce)=>{var Se=new XMLHttpRequest;Se.open("GET",H,!0),Se.responseType="arraybuffer",Se.onload=()=>{if(Se.status==200||Se.status==0&&Se.response){J(Se.response);return}ce()},Se.onerror=ce,Se.send(null)},k=H=>document.title=H);var P=a.print||console.log.bind(console),A=a.printErr||console.warn.bind(console);Object.assign(a,l),l=null,a.arguments&&(c=a.arguments),a.thisProgram&&(p=a.thisProgram),a.quit&&(d=a.quit);var D=4;function T(H){T.shown||(T.shown={}),T.shown[H]||(T.shown[H]=1,A(H))}function L(H,J){if(typeof WebAssembly.Function=="function"){for(var ce={i:"i32",j:"i64",f:"f32",d:"f64"},Se={parameters:[],results:J[0]=="v"?[]:[ce[J[0]]]},Qe=1;Qe{Z=H},ee;a.wasmBinary&&(ee=a.wasmBinary);var se=a.noExitRuntime||!0;typeof WebAssembly!="object"&&zr("no native wasm support detected");var te,ie=!1,ae;function de(H,J){H||zr(J)}function me(H){var J=a["_"+H];return J}function ke(H,J,ce,Se,Qe){var Ze={string:function(an){var tr=0;if(an!=null&&an!==0){var Lc=(an.length<<2)+1;tr=Su(Lc),tt(an,tr,Lc)}return tr},array:function(an){var tr=Su(an.length);return ot(an,tr),tr}};function Be(an){return J==="string"?Je(an):J==="boolean"?Boolean(an):an}var ze=me(H),Tt=[],os=0;if(Se)for(var is=0;is=Se);)++Qe;if(Qe-J>16&&H.subarray&&Pe)return Pe.decode(H.subarray(J,Qe));for(var Ze="";J>10,56320|os&1023)}}return Ze}function Je(H,J){return H?Xe(en,H,J):""}function Ye(H,J,ce,Se){if(!(Se>0))return 0;for(var Qe=ce,Ze=ce+Se-1,Be=0;Be=55296&&ze<=57343){var Tt=H.charCodeAt(++Be);ze=65536+((ze&1023)<<10)|Tt&1023}if(ze<=127){if(ce>=Ze)break;J[ce++]=ze}else if(ze<=2047){if(ce+1>=Ze)break;J[ce++]=192|ze>>6,J[ce++]=128|ze&63}else if(ze<=65535){if(ce+2>=Ze)break;J[ce++]=224|ze>>12,J[ce++]=128|ze>>6&63,J[ce++]=128|ze&63}else{if(ce+3>=Ze)break;J[ce++]=240|ze>>18,J[ce++]=128|ze>>12&63,J[ce++]=128|ze>>6&63,J[ce++]=128|ze&63}}return J[ce]=0,ce-Qe}function tt(H,J,ce){return Ye(H,en,J,ce)}function Ce(H){for(var J=0,ce=0;ce=55296&&Se<=57343&&(Se=65536+((Se&1023)<<10)|H.charCodeAt(++ce)&1023),Se<=127?++J:Se<=2047?J+=2:Se<=65535?J+=3:J+=4}return J}var ut=typeof TextDecoder!="undefined"?new TextDecoder("utf-16le"):void 0;function ot(H,J){Et.set(H,J)}function Jt(H,J,ce){for(var Se=0;Se>0]=H.charCodeAt(Se);ce||(Et[J>>0]=0)}function Nt(H,J){return H%J>0&&(H+=J-H%J),H}var In,Et,en,Cn,Nn,Yt,Dn,tn,zs;function Ls(H){In=H,a.HEAP8=Et=new Int8Array(H),a.HEAP16=Cn=new Int16Array(H),a.HEAP32=Yt=new Int32Array(H),a.HEAPU8=en=new Uint8Array(H),a.HEAPU16=Nn=new Uint16Array(H),a.HEAPU32=Dn=new Uint32Array(H),a.HEAPF32=tn=new Float32Array(H),a.HEAPF64=zs=new Float64Array(H)}var Co=a.INITIAL_MEMORY||16777216,Zs,Ms=[],gu=[],No=[],nn=!1,cc=!1,dc=0;function bu(){return se||dc>0}function pc(){if(a.preRun)for(typeof a.preRun=="function"&&(a.preRun=[a.preRun]);a.preRun.length;)mc(a.preRun.shift());vu(Ms)}function hc(){nn=!0,vu(gu)}function Hv(){cc=!0}function fc(){if(a.postRun)for(typeof a.postRun=="function"&&(a.postRun=[a.postRun]);a.postRun.length;)gc(a.postRun.shift());vu(No)}function mc(H){Ms.unshift(H)}function rs(H){gu.unshift(H)}function gc(H){No.unshift(H)}var Fn=0,To=null,Js=null;function ch(H){Fn++,a.monitorRunDependencies&&a.monitorRunDependencies(Fn)}function bc(H){if(Fn--,a.monitorRunDependencies&&a.monitorRunDependencies(Fn),Fn==0&&(To!==null&&(clearInterval(To),To=null),Js)){var J=Js;Js=null,J()}}a.preloadedImages={},a.preloadedAudios={};function zr(H){a.onAbort&&a.onAbort(H),H="Aborted("+H+")",A(H),ie=!0,ae=1,H+=". Build with -s ASSERTIONS=1 for more info.";var J=new WebAssembly.RuntimeError(H);throw i(J),J}var dh="data:application/octet-stream;base64,";function yc(H){return H.startsWith(dh)}function Lr(H){return H.startsWith("file://")}var sn;sn="tfjs-backend-wasm.wasm",yc(sn)||(sn=b(sn));function yu(H){try{if(H==sn&&ee)return new Uint8Array(ee);if(x)return x(H);throw"both async and sync fetching of the wasm failed"}catch(J){zr(J)}}function ph(){if(!ee&&(h||f)){if(typeof fetch=="function"&&!Lr(sn))return fetch(sn,{credentials:"same-origin"}).then(function(H){if(!H.ok)throw"failed to load wasm binary file at '"+sn+"'";return H.arrayBuffer()}).catch(function(){return yu(sn)});if(v)return new Promise(function(H,J){v(sn,function(ce){H(new Uint8Array(ce))},J)})}return Promise.resolve().then(function(){return yu(sn)})}function hh(){var H={env:Ao,wasi_snapshot_preview1:Ao};function J(Be,ze){var Tt=Be.exports;a.asm=Tt,te=a.asm.memory,Ls(te.buffer),Zs=a.asm.__indirect_function_table,rs(a.asm.__wasm_call_ctors),bc("wasm-instantiate")}ch("wasm-instantiate");function ce(Be){J(Be.instance)}function Se(Be){return ph().then(function(ze){return WebAssembly.instantiate(ze,H)}).then(function(ze){return ze}).then(Be,function(ze){A("failed to asynchronously prepare wasm: "+ze),zr(ze)})}function Qe(){return!ee&&typeof WebAssembly.instantiateStreaming=="function"&&!yc(sn)&&!Lr(sn)&&typeof fetch=="function"?fetch(sn,{credentials:"same-origin"}).then(function(Be){var ze=WebAssembly.instantiateStreaming(Be,H);return ze.then(ce,function(Tt){return A("wasm streaming compile failed: "+Tt),A("falling back to ArrayBuffer instantiation"),Se(ce)})}):Se(ce)}if(a.instantiateWasm)try{var Ze=a.instantiateWasm(H,J);return Ze}catch(Be){return A("Module.instantiateWasm callback failed with error: "+Be),!1}return Qe().catch(i),{}}var qv,jv;function vu(H){for(;H.length>0;){var J=H.shift();if(typeof J=="function"){J(a);continue}var ce=J.func;typeof ce=="number"?J.arg===void 0?xu(ce)():xu(ce)(J.arg):ce(J.arg===void 0?null:J.arg)}}function er(H){return H}function vc(H){var J=/\b_Z[\w\d_]+/g;return H.replace(J,function(ce){var Se=ce;return ce===Se?ce:Se+" ["+ce+"]"})}var as=[];function xu(H){var J=as[H];return J||(H>=as.length&&(as.length=H+1),as[H]=J=Zs.get(H)),J}function Kv(){var H=new Error;if(!H.stack){try{throw new Error}catch(J){H=J}if(!H.stack)return"(no stack trace available)"}return H.stack.toString()}function $o(H,J){Zs.set(H,J),as[H]=J}function fh(){zr("")}function xc(H,J,ce){en.copyWithin(H,J,J+ce)}function wc(){return 2147483648}function rn(H){try{return te.grow(H-In.byteLength+65535>>>16),Ls(te.buffer),1}catch(J){}}function kc(H){var J=en.length;H=H>>>0;var ce=wc();if(H>ce)return!1;for(var Se=1;Se<=4;Se*=2){var Qe=J*(1+.2/Se);Qe=Math.min(Qe,H+100663296);var Ze=Math.min(ce,Nt(Math.max(H,Qe),65536)),Be=rn(Ze);if(Be)return!0}return!1}var _o={mappings:{},buffers:[null,[],[]],printChar:function(H,J){var ce=_o.buffers[H];J===0||J===10?((H===1?P:A)(Xe(ce,0)),ce.length=0):ce.push(J)},varargs:void 0,get:function(){_o.varargs+=4;var H=Yt[_o.varargs-4>>2];return H},getStr:function(H){var J=Je(H);return J},get64:function(H,J){return H}};function mh(H){return 0}function Xv(H,J,ce,Se,Qe){}function Yv(H,J,ce,Se){for(var Qe=0,Ze=0;Ze>2],ze=Yt[J+4>>2];J+=8;for(var Tt=0;Tt>2]=Qe,0}function gh(H){ne(H)}var Sc=!1,Ao={abort:fh,emscripten_memcpy_big:xc,emscripten_resize_heap:kc,fd_close:mh,fd_seek:Xv,fd_write:Yv,setTempRet0:gh},lT=hh(),Qv=a.___wasm_call_ctors=function(){return(Qv=a.___wasm_call_ctors=a.asm.__wasm_call_ctors).apply(null,arguments)},bh=a._init=function(){return(bh=a._init=a.asm.init).apply(null,arguments)},yh=a._init_with_threads_count=function(){return(yh=a._init_with_threads_count=a.asm.init_with_threads_count).apply(null,arguments)},Ic=a._get_threads_count=function(){return(Ic=a._get_threads_count=a.asm.get_threads_count).apply(null,arguments)},Cc=a._register_tensor=function(){return(Cc=a._register_tensor=a.asm.register_tensor).apply(null,arguments)},vh=a._dispose_data=function(){return(vh=a._dispose_data=a.asm.dispose_data).apply(null,arguments)},$e=a._dispose=function(){return($e=a._dispose=a.asm.dispose).apply(null,arguments)},xh=a._Abs=function(){return(xh=a._Abs=a.asm.Abs).apply(null,arguments)},Nc=a._Add=function(){return(Nc=a._Add=a.asm.Add).apply(null,arguments)},Mr=a._AddN=function(){return(Mr=a._AddN=a.asm.AddN).apply(null,arguments)},Eo=a._All=function(){return(Eo=a._All=a.asm.All).apply(null,arguments)},wh=a._Any=function(){return(wh=a._Any=a.asm.Any).apply(null,arguments)},Zv=a._ArgMax=function(){return(Zv=a._ArgMax=a.asm.ArgMax).apply(null,arguments)},kh=a._AvgPool=function(){return(kh=a._AvgPool=a.asm.AvgPool).apply(null,arguments)},Jv=a._BatchMatMul=function(){return(Jv=a._BatchMatMul=a.asm.BatchMatMul).apply(null,arguments)},Br=a._Ceil=function(){return(Br=a._Ceil=a.asm.Ceil).apply(null,arguments)},Sh=a._ClipByValue=function(){return(Sh=a._ClipByValue=a.asm.ClipByValue).apply(null,arguments)},Ih=a._Conv2D=function(){return(Ih=a._Conv2D=a.asm.Conv2D).apply(null,arguments)},Ch=a._Conv2DBackpropInput=function(){return(Ch=a._Conv2DBackpropInput=a.asm.Conv2DBackpropInput).apply(null,arguments)},Nh=a._Cos=function(){return(Nh=a._Cos=a.asm.Cos).apply(null,arguments)},Th=a._Cosh=function(){return(Th=a._Cosh=a.asm.Cosh).apply(null,arguments)},$h=a._CropAndResize=function(){return($h=a._CropAndResize=a.asm.CropAndResize).apply(null,arguments)},Tc=a._Cumprod=function(){return(Tc=a._Cumprod=a.asm.Cumprod).apply(null,arguments)},_h=a._Cumsum=function(){return(_h=a._Cumsum=a.asm.Cumsum).apply(null,arguments)},Ah=a._DepthToSpace=function(){return(Ah=a._DepthToSpace=a.asm.DepthToSpace).apply(null,arguments)},Eh=a._DepthwiseConv2dNative=function(){return(Eh=a._DepthwiseConv2dNative=a.asm.DepthwiseConv2dNative).apply(null,arguments)},Rh=a._Elu=function(){return(Rh=a._Elu=a.asm.Elu).apply(null,arguments)},Dh=a._Equal=function(){return(Dh=a._Equal=a.asm.Equal).apply(null,arguments)},$c=a._Exp=function(){return($c=a._Exp=a.asm.Exp).apply(null,arguments)},Fh=a._FlipLeftRight=function(){return(Fh=a._FlipLeftRight=a.asm.FlipLeftRight).apply(null,arguments)},Oh=a._Floor=function(){return(Oh=a._Floor=a.asm.Floor).apply(null,arguments)},Vr=a._FloorDiv=function(){return(Vr=a._FloorDiv=a.asm.FloorDiv).apply(null,arguments)},wu=a._FusedBatchNorm=function(){return(wu=a._FusedBatchNorm=a.asm.FusedBatchNorm).apply(null,arguments)},Ph=a._FusedConv2D=function(){return(Ph=a._FusedConv2D=a.asm.FusedConv2D).apply(null,arguments)},zh=a._FusedDepthwiseConv2D=function(){return(zh=a._FusedDepthwiseConv2D=a.asm.FusedDepthwiseConv2D).apply(null,arguments)},Lh=a._Gather=function(){return(Lh=a._Gather=a.asm.Gather).apply(null,arguments)},Me=a._GatherNd=function(){return(Me=a._GatherNd=a.asm.GatherNd).apply(null,arguments)},Mh=a._Greater=function(){return(Mh=a._Greater=a.asm.Greater).apply(null,arguments)},Bh=a._GreaterEqual=function(){return(Bh=a._GreaterEqual=a.asm.GreaterEqual).apply(null,arguments)},Vh=a._LeakyRelu=function(){return(Vh=a._LeakyRelu=a.asm.LeakyRelu).apply(null,arguments)},Wh=a._Less=function(){return(Wh=a._Less=a.asm.Less).apply(null,arguments)},Uh=a._LessEqual=function(){return(Uh=a._LessEqual=a.asm.LessEqual).apply(null,arguments)},Gh=a._Log=function(){return(Gh=a._Log=a.asm.Log).apply(null,arguments)},ku=a._LogicalAnd=function(){return(ku=a._LogicalAnd=a.asm.LogicalAnd).apply(null,arguments)},_c=a._LogicalNot=function(){return(_c=a._LogicalNot=a.asm.LogicalNot).apply(null,arguments)},Ac=a._LogicalOr=function(){return(Ac=a._LogicalOr=a.asm.LogicalOr).apply(null,arguments)},Hh=a._LogicalXor=function(){return(Hh=a._LogicalXor=a.asm.LogicalXor).apply(null,arguments)},qh=a._Max=function(){return(qh=a._Max=a.asm.Max).apply(null,arguments)},jh=a._MaxPool=function(){return(jh=a._MaxPool=a.asm.MaxPool).apply(null,arguments)},Kh=a._Maximum=function(){return(Kh=a._Maximum=a.asm.Maximum).apply(null,arguments)},Xh=a._Mean=function(){return(Xh=a._Mean=a.asm.Mean).apply(null,arguments)},Yh=a._Min=function(){return(Yh=a._Min=a.asm.Min).apply(null,arguments)},gt=a._Minimum=function(){return(gt=a._Minimum=a.asm.Minimum).apply(null,arguments)},Qh=a._MirrorPad=function(){return(Qh=a._MirrorPad=a.asm.MirrorPad).apply(null,arguments)},Zh=a._Multiply=function(){return(Zh=a._Multiply=a.asm.Multiply).apply(null,arguments)},Jh=a._Neg=function(){return(Jh=a._Neg=a.asm.Neg).apply(null,arguments)},Ro=a._NonMaxSuppressionV3=function(){return(Ro=a._NonMaxSuppressionV3=a.asm.NonMaxSuppressionV3).apply(null,arguments)},Ec=a._NonMaxSuppressionV4=function(){return(Ec=a._NonMaxSuppressionV4=a.asm.NonMaxSuppressionV4).apply(null,arguments)},Rc=a._NonMaxSuppressionV5=function(){return(Rc=a._NonMaxSuppressionV5=a.asm.NonMaxSuppressionV5).apply(null,arguments)},Dc=a._NotEqual=function(){return(Dc=a._NotEqual=a.asm.NotEqual).apply(null,arguments)},ef=a._OneHot=function(){return(ef=a._OneHot=a.asm.OneHot).apply(null,arguments)},Fc=a._PadV2=function(){return(Fc=a._PadV2=a.asm.PadV2).apply(null,arguments)},tf=a._Pow=function(){return(tf=a._Pow=a.asm.Pow).apply(null,arguments)},ex=a._Prelu=function(){return(ex=a._Prelu=a.asm.Prelu).apply(null,arguments)},Oc=a._Prod=function(){return(Oc=a._Prod=a.asm.Prod).apply(null,arguments)},tx=a._RealDiv=function(){return(tx=a._RealDiv=a.asm.RealDiv).apply(null,arguments)},nf=a._Relu=function(){return(nf=a._Relu=a.asm.Relu).apply(null,arguments)},sf=a._Relu6=function(){return(sf=a._Relu6=a.asm.Relu6).apply(null,arguments)},rf=a._ResizeBilinear=function(){return(rf=a._ResizeBilinear=a.asm.ResizeBilinear).apply(null,arguments)},af=a._Reverse=function(){return(af=a._Reverse=a.asm.Reverse).apply(null,arguments)},of=a._RotateWithOffset=function(){return(of=a._RotateWithOffset=a.asm.RotateWithOffset).apply(null,arguments)},uf=a._Round=function(){return(uf=a._Round=a.asm.Round).apply(null,arguments)},lf=a._Rsqrt=function(){return(lf=a._Rsqrt=a.asm.Rsqrt).apply(null,arguments)},cf=a._ScatterNd=function(){return(cf=a._ScatterNd=a.asm.ScatterNd).apply(null,arguments)},df=a._SelectV2=function(){return(df=a._SelectV2=a.asm.SelectV2).apply(null,arguments)},pf=a._Sigmoid=function(){return(pf=a._Sigmoid=a.asm.Sigmoid).apply(null,arguments)},hf=a._Sin=function(){return(hf=a._Sin=a.asm.Sin).apply(null,arguments)},ff=a._Softmax=function(){return(ff=a._Softmax=a.asm.Softmax).apply(null,arguments)},mf=a._SparseFillEmptyRows=function(){return(mf=a._SparseFillEmptyRows=a.asm.SparseFillEmptyRows).apply(null,arguments)},gf=a._SparseReshape=function(){return(gf=a._SparseReshape=a.asm.SparseReshape).apply(null,arguments)},bf=a._SparseSegmentReduction=function(){return(bf=a._SparseSegmentReduction=a.asm.SparseSegmentReduction).apply(null,arguments)},yf=a._Sqrt=function(){return(yf=a._Sqrt=a.asm.Sqrt).apply(null,arguments)},vf=a._Square=function(){return(vf=a._Square=a.asm.Square).apply(null,arguments)},xf=a._SquaredDifference=function(){return(xf=a._SquaredDifference=a.asm.SquaredDifference).apply(null,arguments)},wf=a._Step=function(){return(wf=a._Step=a.asm.Step).apply(null,arguments)},kf=a._StridedSlice=function(){return(kf=a._StridedSlice=a.asm.StridedSlice).apply(null,arguments)},Sf=a._Sub=function(){return(Sf=a._Sub=a.asm.Sub).apply(null,arguments)},If=a._Sum=function(){return(If=a._Sum=a.asm.Sum).apply(null,arguments)},Cf=a._Tan=function(){return(Cf=a._Tan=a.asm.Tan).apply(null,arguments)},Nf=a._Tanh=function(){return(Nf=a._Tanh=a.asm.Tanh).apply(null,arguments)},Tf=a._Tile=function(){return(Tf=a._Tile=a.asm.Tile).apply(null,arguments)},$f=a._TopK=function(){return($f=a._TopK=a.asm.TopK).apply(null,arguments)},_f=a._Transform=function(){return(_f=a._Transform=a.asm.Transform).apply(null,arguments)},Af=a._Transpose=function(){return(Af=a._Transpose=a.asm.Transpose).apply(null,arguments)},Ef=a.__FusedMatMul=function(){return(Ef=a.__FusedMatMul=a.asm._FusedMatMul).apply(null,arguments)},Rf=a._malloc=function(){return(Rf=a._malloc=a.asm.malloc).apply(null,arguments)},Df=a._free=function(){return(Df=a._free=a.asm.free).apply(null,arguments)},Ff=a.___errno_location=function(){return(Ff=a.___errno_location=a.asm.__errno_location).apply(null,arguments)},Of=a._emscripten_main_thread_process_queued_calls=function(){return(Of=a._emscripten_main_thread_process_queued_calls=a.asm.emscripten_main_thread_process_queued_calls).apply(null,arguments)},Pc=a.stackSave=function(){return(Pc=a.stackSave=a.asm.stackSave).apply(null,arguments)},zc=a.stackRestore=function(){return(zc=a.stackRestore=a.asm.stackRestore).apply(null,arguments)},Su=a.stackAlloc=function(){return(Su=a.stackAlloc=a.asm.stackAlloc).apply(null,arguments)},Pf=a.dynCall_iijjiiii=function(){return(Pf=a.dynCall_iijjiiii=a.asm.dynCall_iijjiiii).apply(null,arguments)},zf=a.dynCall_jiji=function(){return(zf=a.dynCall_jiji=a.asm.dynCall_jiji).apply(null,arguments)};a.cwrap=Ie;var Do;function Iu(H){this.name="ExitStatus",this.message="Program terminated with exit("+H+")",this.status=H}Js=function H(){Do||Cu(),Do||(Js=H)};function Cu(H){if(H=H||c,Fn>0||(pc(),Fn>0))return;function J(){Do||(Do=!0,a.calledRun=!0,!ie&&(hc(),o(a),a.onRuntimeInitialized&&a.onRuntimeInitialized(),fc()))}a.setStatus?(a.setStatus("Running..."),setTimeout(function(){setTimeout(function(){a.setStatus("")},1),J()},1)):J()}a.run=Cu;function nx(H){ae=H,bu()||(a.onExit&&a.onExit(H),ie=!0),d(H,new Iu(H))}if(a.preInit)for(typeof a.preInit=="function"&&(a.preInit=[a.preInit]);a.preInit.length>0;)a.preInit.pop()();Cu();var Fo;u&&(Fo={uncaughtException:process.listeners("uncaughtException").filter(function(H){return!u.uncaughtException.indexOf(H)>-1}),unhandledRejection:process.listeners("unhandledRejection").filter(function(H){return!u.unhandledRejection.indexOf(H)>-1})});var Oo;if(typeof r!="undefined")Oo=r;else if(typeof WasmBackendModuleThreadedSimd!="undefined")Oo=WasmBackendModuleThreadedSimd;else throw new Error("Could not find wasm module in post.js");if(Fo){var Lf=Oo._dispose;Oo._dispose=function(){Lf(),Fo.uncaughtException.forEach(function(H){process.removeListener("uncaughtException",H)}),Fo.unhandledRejection.forEach(function(H){process.removeListener("unhandledRejection",H)})}}return r.ready}})();typeof e=="object"&&typeof t=="object"?t.exports=n:typeof define=="function"&&define.amd?define([],function(){return n}):typeof e=="object"&&(e.WasmBackendModule=n)}}),I$=1e-7,C$=1e-4,Zd=class{constructor(e,t){this.backend=e,this.dataMover=t,this.data=new WeakMap,this.dataIdsCount=0}get(e){return this.data.has(e)||this.dataMover.moveData(this.backend,e),this.data.get(e)}set(e,t){this.dataIdsCount++,this.data.set(e,t)}has(e){return this.data.has(e)}delete(e){return this.dataIdsCount--,this.data.delete(e)}numDataIds(){return this.dataIdsCount}},il=class{refCount(e){return On("refCount")}incRef(e){return On("incRef")}timerAvailable(){return!0}time(e){return On("time")}read(e){return On("read")}readSync(e){return On("readSync")}readToGPU(e,t){return On("readToGPU")}numDataIds(){return On("numDataIds")}disposeData(e,t){return On("disposeData")}write(e,t,n){return On("write")}move(e,t,n,s,r){return On("move")}memory(){return On("memory")}floatPrecision(){return On("floatPrecision")}epsilon(){return this.floatPrecision()===32?I$:C$}dispose(){return On("dispose")}};function On(e){throw new Error(`'${e}' not yet implemented or not found in the registry. This kernel may not be supported by the tfjs backend you have chosen`)}function rk(e){let t=e.length,n=0;for(;t>0;)n=Math.random()*t|0,t--,yd(e,t,n)}function N$(e,t){if(e.length!==t.length)throw new Error(`Array sizes must match to be shuffled together First array length was ${e.length}Second array length was ${t.length}`);let n=e.length,s=0;for(;n>0;)s=Math.random()*n|0,n--,yd(e,n,s),yd(t,n,s)}function Hu(e,t,n){return Math.max(e,Math.min(t,n))}function T$(e){return e%2===0?e:e+1}function yd(e,t,n){let s=e[t];e[t]=e[n],e[n]=s}function $$(e){let t=0;for(let n=0;nn+` Shapes ${e} and ${t} must match`)}function ka(e){O(e!=null,()=>"The input to the tensor constructor must be a non-null value.")}function aa(e,t=[],n=!1){if(t==null&&(t=[]),Array.isArray(e)||Qt(e)&&!n)for(let s=0;s0,n){return new Promise((s,r)=>{let a=0,o=()=>{if(e()){s();return}a++;let i=t(a);if(n!=null&&a>=n){r();return}setTimeout(o,i)};o()})}function P$(e,t){let n=1,s=-1;for(let a=0;a=0)n*=e[a];else if(e[a]===-1){if(s!==-1)throw Error(`Shapes can only have 1 implicit size. Found -1 at dim ${s} and dim ${a}`);s=a}else if(e[a]<0)throw Error(`Shapes can not be < 0. Found ${e[a]} at dim ${a}`);if(s===-1){if(t>0&&t!==n)throw Error(`Size(${t}) must match the product of shape ${e}`);return e}if(n===0)throw Error(`Cannot infer the missing size in [${e}] when there are 0 elements`);if(t%n!==0)throw Error(`The implicit shape can't be a fractional number. Got ${t} / ${n}`);let r=e.slice();return r[s]=t/n,r}function ts(e,t){let n=t.length;return e=e==null?t.map((s,r)=>r):[].concat(e),O(e.every(s=>s>=-n&&s`All values in axis param must be in range [-${n}, ${n}) but got axis ${e}`),O(e.every(s=>ei(s)),()=>`All values in axis param must be integers but got axis ${e}`),e.map(s=>s<0?n+s:s)}function ak(e,t){let n=[],s=[],r=t!=null&&Array.isArray(t)&&t.length===0,a=t==null||r?null:ts(t,e).sort(),o=0;for(let i=0;ii)&&e[i]===1&&(n.push(e[i]),s.push(i)),a[o]<=i&&o++}e[i]!==1&&(n.push(e[i]),s.push(i))}return{newShape:n,keptDims:s}}function ok(e,t){let n=null;if(e==null||e==="float32")n=new Float32Array(t);else if(e==="int32")n=new Int32Array(t);else if(e==="bool")n=new Uint8Array(t);else throw new Error(`Unknown data type ${e}`);return n}function ik(e,t){let n=null;if(e==null||e==="float32")n=new Float32Array(t);else if(e==="int32")n=new Int32Array(t);else if(e==="bool")n=new Uint8Array(t);else if(e==="string")n=new Array(t);else throw new Error(`Unknown data type ${e}`);return n}function uk(e,t){for(let n=0;nt+=n.length),t}function or(e){return typeof e=="string"||e instanceof String}function dk(e){return typeof e=="boolean"}function pk(e){return typeof e=="number"}function Jd(e){return Array.isArray(e)?Jd(e[0]):e instanceof Float32Array?"float32":e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray?"int32":pk(e)?"float32":or(e)?"string":dk(e)?"bool":"float32"}function fr(e){return!!(e&&e.constructor&&e.call&&e.apply)}function vd(e,t){for(let n=t;n=0;--s)n[s]=n[s+1]*e[s+1];return n}function hk(e,t,n,s=!1){let r=new Array;if(t.length===1){let a=t[0]*(s?2:1);for(let o=0;ou*l)*(s?2:1);for(let u=0;ur*a)*(n?2:1);if(s===0)return[];if(s!==t.length)throw new Error(`[${e}] does not match the input size ${t.length}${n?" for a complex tensor":""}.`);return hk(0,e,t,n)}function hg(e,t){let n=ep(e,t);for(let s=0;ss*r,1);if(t==null||t==="float32")return Xo(e,new Float32Array(n));if(t==="int32")return Xo(e,new Int32Array(n));if(t==="bool")return Xo(e,new Uint8Array(n));throw new Error(`Unknown data type ${t}`)}function fg(e){e.forEach(t=>{O(Number.isInteger(t)&&t>=0,()=>`Tensor must have a shape comprised of positive integers but got shape [${e}].`)})}function M$(e,t,n){if(t===0)return 0;if(t===1)return e[0];let s=e[e.length-1];for(let r=0;r{let[s,r]=n.split(":");this.urlFlags[s]=G$(s,r)})}};function W$(e){let t={};return e.replace(/[?&]([^=?&]+)(?:=([^&]*))?/g,(n,...s)=>(U$(t,s[0],s[1]),s.join("="))),t}function U$(e,t,n){e[decodeURIComponent(t)]=decodeURIComponent(n||"")}function G$(e,t){if(t=t.toLowerCase(),t==="true"||t==="false")return t==="true";if(`${+t}`===t)return+t;throw new Error(`Could not parse value flag value ${t} for flag ${e}.`)}function K(){return fk}var fk=null;function H$(e){fk=e}var Hf;function mk(){if(Hf==null){let e;if(typeof window!="undefined")e=window;else if(typeof global!="undefined")e=global;else if(typeof process!="undefined")e=process;else if(typeof self!="undefined")e=self;else throw new Error("Could not find a global object");Hf=e}return Hf}function q$(){let e=mk();return e._tfGlobals==null&&(e._tfGlobals=new Map),e._tfGlobals}function gg(e,t){let n=q$();if(n.has(e))return n.get(e);{let s=t();return n.set(e,s),n.get(e)}}var di="Abs",ul="Acos",ll="Acosh",Cr="Add",Sa="AddN",cl="All",dl="Any",Ia="ArgMax",pl="ArgMin",hl="Asin",fl="Asinh",ml="Atan",gl="Atanh",bl="Atan2",Ca="AvgPool",bg="AvgPoolGrad",tp="AvgPool3D",yg="AvgPool3DGrad",Na="BatchMatMul",pi="BatchToSpaceND",vg="Bincount",j$="BroadcastTo",xg="BroadcastArgs",Ta="Cast",$a="Ceil",Nr="ClipByValue",np="Complex",sp="ComplexAbs",hi="Concat",_a="Conv2D",wg="Conv2DBackpropFilter",Aa="Conv2DBackpropInput",rp="Conv3D",kg="Conv3DBackpropFilterV2",Sg="Conv3DBackpropInputV2",Ea="Cos",Ra="Cosh",fi="Cumprod",Da="Cumsum",mi="CropAndResize",Ig="DenseBincount",gi="DepthToSpace",Fa="DepthwiseConv2dNative",Cg="DepthwiseConv2dNativeBackpropFilter",Ng="DepthwiseConv2dNativeBackpropInput",Tg="Diag",ap="Dilation2D",im="Dilation2DBackpropInput",um="Dilation2DBackpropFilter",Oa="RealDiv",op="Einsum",Pa="Elu",$g="EluGrad",yl="Erf",bi="Equal",za="Exp",yi="ExpandDims",vi="Expm1",_g="FFT",vl="Fill",xi="FlipLeftRight",La="Floor",Ma="FloorDiv",Ba="FusedBatchNorm",wi="GatherV2",ki="GatherNd",Si="Greater",Va="GreaterEqual",Wa="Identity",Ag="IFFT",ip="Imag",xl="IsFinite",wl="IsInf",kl="IsNan",Ua="LeakyRelu",Ii="Less",Ci="LessEqual",Eg="LinSpace",Ga="Log",Sl="Log1p",Ni="LogicalAnd",Ti="LogicalNot",Il="LogicalOr",K$="LogicalXor",X$="LogSoftmax",Cpe="LowerBound",up="LRN",Rg="LRNGrad",Ha="Max",qa="Maximum",ja="MaxPool",Dg="MaxPoolGrad",lp="MaxPool3D",Fg="MaxPool3DGrad",Og="MaxPoolWithArgmax",Ka="Mean",Xa="Min",Ya="Minimum",Qa="MirrorPad",Cl="Mod",Pg="Multinomial",Za="Multiply",$i="Neg",_i="NotEqual",Ai="NonMaxSuppressionV3",Nl="NonMaxSuppressionV4",Ei="NonMaxSuppressionV5",Ri="OnesLike",Di="OneHot",Fi="Pack",Ja="PadV2",Npe="Pool",eo="Pow",to="Prelu",no="Prod",Tl="Range",cp="Real",$l="Reciprocal",so="Relu",Oi="Reshape",_l="ResizeNearestNeighbor",zg="ResizeNearestNeighborGrad",ro="ResizeBilinear",Lg="ResizeBilinearGrad",ao="Relu6",Pi="Reverse",zi="Round",oo="Rsqrt",Li="ScatterNd",Mg="SearchSorted",Mi="Select",Al="Selu",Bi="Slice",io="Sin",Vi="Sinh",El="Sign",uo="Sigmoid",Rl="Softplus",lo="Sqrt",co="Sum",Wi="SpaceToBatchND",Ui="SplitV",po="Softmax",dp="SparseFillEmptyRows",Dl="SparseReshape",pp="SparseSegmentMean",hp="SparseSegmentSum",fp="SparseToDense",ho="SquaredDifference",Fl="Square",Gi="StridedSlice",mp="StringNGrams",Bg="StringSplit",Vg="StringToHashBucketFast",fo="Sub",Hi="Tan",mo="Tanh",Tr="Tile",qi="TopK",ji="Transform",Hs="Transpose",Wg="Unique",Ki="Unpack",gp="UnsortedSegmentSum",Tpe="UpperBound",Xi="ZerosLike",go="Step",xd="FromPixels",Yi="RotateWithOffset",oa="_FusedMatMul",ia="FusedConv2D",ua="FusedDepthwiseConv2D";function ar(...e){K().getBool("IS_TEST")||K().getBool("PROD")||console.warn(...e)}function Y$(...e){K().getBool("IS_TEST")||K().getBool("PROD")||console.log(...e)}var ti=gg("kernelRegistry",()=>new Map),qu=gg("gradRegistry",()=>new Map);function lm(e,t){let n=Ug(e,t);return ti.get(n)}function hx(e){return qu.get(e)}function cm(e){let t=ti.entries(),n=[];for(;;){let{done:s,value:r}=t.next();if(s)break;let[a,o]=r,[i]=a.split("_");i===e&&n.push(o)}return n}function Ol(e){let{kernelName:t,backendName:n}=e,s=Ug(t,n);ti.has(s)&&ar(`The kernel '${t}' for backend '${n}' is already registered`),ti.set(s,e)}function Q$(e){let{kernelName:t}=e;qu.has(t)&&K().getBool("DEBUG")&&ar(`Overriding the gradient for '${t}'`),qu.set(t,e)}function $pe(e,t){let n=Ug(e,t);if(!ti.has(n))throw new Error(`The kernel '${e}' for backend '${t}' is not registered`);ti.delete(n)}function _pe(e){if(!qu.has(e))throw new Error(`The gradient '${e}' for backend is not registered`);qu.delete(e)}function Ape(e,t){cm(e).forEach(s=>{let r=Object.assign({},s,{backendName:t});Ol(r)})}function Ug(e,t){return`${t}_${e}`}var w={};Ee(w,{arraysEqual:()=>Ir,assert:()=>O,assertNonNegativeIntegerDimensions:()=>fg,assertNonNull:()=>ka,assertShapesMatch:()=>hn,bytesFromStringArray:()=>ck,bytesPerElement:()=>om,checkConversionForErrors:()=>uk,clamp:()=>Hu,computeStrides:()=>ci,createScalarValue:()=>s_,createShuffledIndices:()=>F$,decodeString:()=>wd,distSquared:()=>A$,encodeString:()=>zl,fetch:()=>a_,fingerPrint64:()=>n_,flatten:()=>aa,getArrayFromDType:()=>ik,getTypedArrayFromDType:()=>ok,hasEncodingLoss:()=>z$,hexToLong:()=>Pl,indexToLoc:()=>B$,inferDtype:()=>Jd,inferFromImplicitShape:()=>P$,isBoolean:()=>dk,isFunction:()=>fr,isInt:()=>ei,isNumber:()=>pk,isPromise:()=>mg,isScalarShape:()=>E$,isString:()=>or,isTypedArray:()=>Qt,isValidDtype:()=>lk,locToIndex:()=>M$,makeOnesTypedArray:()=>hg,makeZerosNestedTypedArray:()=>L$,makeZerosTypedArray:()=>ep,nearestDivisor:()=>vd,nearestLargerEven:()=>T$,now:()=>ju,parseAxisParam:()=>ts,randUniform:()=>_$,repeatedTry:()=>O$,rightPad:()=>Vu,shuffle:()=>rk,shuffleCombo:()=>N$,sizeFromShape:()=>dt,sizeToSquarishShape:()=>D$,squeezeShape:()=>ak,sum:()=>$$,swap:()=>yd,tanh:()=>R$,toNestedArray:()=>Xo,toTypedArray:()=>bp});var fx=wa(u$()),Kr=fx.default||fx;function Pl(e){return Kr.fromString(e,!0,16)}var gk=Pl("c3a5c85c97cb3127"),qr=Pl("b492b66fbe98f273"),on=Pl("9ae16a3b2f90404f");function dm(e){return e.xor(e.shru(47))}function bk(e,t,n){let s=e.slice(t,t+n);return Kr.fromBytes(Array.from(s),!0,!0)}function lt(e,t){return bk(e,t,8)}function mx(e,t){return bk(e,t,4)}function Mt(e,t){return t===0?e:e.shru(t).or(e.shl(64-t))}function ur(e,t,n=Pl("9ddfea08eb382d69")){let s=e.xor(t).mul(n);s=s.xor(s.shru(47));let r=t.xor(s).mul(n);return r=r.xor(r.shru(47)),r=r.mul(n),r}function Z$(e,t,n,s,r,a){r=r.add(e),a=Mt(a.add(r).add(s),21);let o=r;return r=r.add(t),r=r.add(n),a=a.add(Mt(r,44)),[r.add(s),a.add(o)]}function Hc(e,t,n,s){return Z$(lt(e,t),lt(e,t+8),lt(e,t+16),lt(e,t+24),n,s)}function J$(e,t=e.length){if(t>=8){let n=on.add(t*2),s=lt(e,0).add(on),r=lt(e,t-8),a=Mt(r,37).mul(n).add(s),o=Mt(s,25).add(r).mul(n);return ur(a,o,n)}if(t>=4){let n=on.add(t*2),s=mx(e,0);return ur(s.shl(3).add(t),mx(e,t-4),n)}if(t>0){let n=e[0],s=e[t>>1],r=e[t-1],a=n+(s<<8),o=t+(r<<2);return dm(on.mul(a).xor(gk.mul(o))).mul(on)}return on}function e_(e,t=e.length){let n=on.add(t*2),s=lt(e,0).mul(qr),r=lt(e,8),a=lt(e,t-8).mul(n),o=lt(e,t-16).mul(on);return ur(Mt(s.add(r),43).add(Mt(a,30)).add(o),s.add(Mt(r.add(on),18)).add(a),n)}function t_(e,t=e.length){let n=on.add(t*2),s=lt(e,0).mul(on),r=lt(e,8),a=lt(e,t-8).mul(n),o=lt(e,t-16).mul(on),i=Mt(s.add(r),43).add(Mt(a,30)).add(o),u=ur(i,s.add(Mt(r.add(on),18)).add(a),n),l=lt(e,16).mul(n),c=lt(e,24),p=i.add(lt(e,t-32)).mul(n),d=u.add(lt(e,t-24)).mul(n);return ur(Mt(l.add(c),43).add(Mt(p,30)).add(d),l.add(Mt(c.add(s),18)).add(p),n)}function n_(e,t=e.length){let n=Kr.fromNumber(81,!0);if(t<=32)return t<=16?J$(e,t):e_(e,t);if(t<=64)return t_(e,t);let s=n,r=n.mul(qr).add(113),a=dm(r.mul(on).add(113)).mul(on),o=[Kr.UZERO,Kr.UZERO],i=[Kr.UZERO,Kr.UZERO];s=s.mul(on).add(lt(e,0));let u=0,l=(t-1>>6)*64,c=l+(t-1&63)-63;do s=Mt(s.add(r).add(o[0]).add(lt(e,u+8)),37).mul(qr),r=Mt(r.add(o[1]).add(lt(e,u+48)),42).mul(qr),s=s.xor(i[1]),r=r.add(o[0]).add(lt(e,u+40)),a=Mt(a.add(i[0]),33).mul(qr),o=Hc(e,u,o[1].mul(qr),s.add(i[0])),i=Hc(e,u+32,a.add(i[1]),r.add(lt(e,u+16))),[a,s]=[s,a],u+=64;while(u!==l);let p=qr.add(a.and(255).shl(1));return u=c,i[0]=i[0].add(t-1&63),o[0]=o[0].add(i[0]),i[0]=i[0].add(o[0]),s=Mt(s.add(r).add(o[0]).add(lt(e,u+8)),37).mul(p),r=Mt(r.add(o[1]).add(lt(e,u+48)),42).mul(p),s=s.xor(i[1].mul(9)),r=r.add(o[0].mul(9).add(lt(e,u+40))),a=Mt(a.add(i[0]),33).mul(p),o=Hc(e,u,o[1].mul(p),s.add(i[0])),i=Hc(e,u+32,a.add(i[1]),r.add(lt(e,u+16))),[a,s]=[s,a],ur(ur(o[0],i[0],p).add(dm(r).mul(gk)).add(a),ur(o[1],i[1],p).add(s),p)}function s_(e,t){return t==="string"?zl(e):bp([e],t)}function r_(e,t){return e instanceof Float32Array&&t==="float32"||e instanceof Int32Array&&t==="int32"||e instanceof Uint8Array&&t==="bool"}function bp(e,t){if(t==="string")throw new Error("Cannot convert a string[] to a TypedArray");if(Array.isArray(e)&&(e=aa(e)),K().getBool("DEBUG")&&uk(e,t),r_(e,t))return e;if(t==null||t==="float32"||t==="complex64")return new Float32Array(e);if(t==="int32")return new Int32Array(e);if(t==="bool"){let n=new Uint8Array(e.length);for(let s=0;s{s=n()},a,o=ju();if(this.backendTimer.timerAvailable())a=this.backendTimer.time(r);else{r();for(let u of s)u.dataSync();a=Promise.resolve({kernelMs:ju()-o})}if(K().getBool("CHECK_COMPUTATION_FOR_ERRORS"))for(let u=0;u{i_(c,l.dtype,e)})}return{kernelName:e,outputs:s,inputs:t,timeMs:a.then(u=>u.kernelMs),extraInfo:a.then(u=>u.getExtraProfileInfo!=null?u.getExtraProfileInfo():"")}}logKernelProfile(e){let{kernelName:t,outputs:n,timeMs:s,inputs:r,extraInfo:a}=e;n.forEach(o=>{Promise.all([o.data(),s,a]).then(i=>{this.logger.logKernelProfile(t,o,i[0],i[1],r,i[2])})})}};function i_(e,t,n){if(t!=="float32")return!1;for(let s=0;s0?f:""} `}}console.log(`%c${i} %c${o} %c${u}D ${c} %c${l} %c${p} %c${a}`,"font-weight:bold","color:red","color:blue","color: orange","color: green","color: steelblue")}};function l_(e,t,n){let s={},r={};for(let u=0;us[m.id]=!0),h=!0,r[l.id]=!0;break}if(h)break}}let a={};a[n.id]=!0;let o={};for(let u=e.length-1;u>=0;u--){let l=e[u],c=l.inputs;for(let p=0;p=0;r--){let a=t[r],o=[];if(a.outputs.forEach(u=>{let l=e[u.id];l!=null?o.push(l):o.push(null)}),a.gradient==null)throw new Error(`Cannot compute gradient: gradient function not found for ${a.kernelName}.`);let i=a.gradient(o);for(let u in a.inputs){if(!(u in i))throw new Error(`Cannot backprop through input ${u}. Available gradients found: ${Object.keys(i)}.`);let l=n(()=>i[u]());if(l.dtype!=="float32")throw new Error(`Error in gradient for op ${a.kernelName}. The gradient of input ${u} must have 'float32' dtype, but has '${l.dtype}'`);let c=a.inputs[u];if(!Ir(l.shape,c.shape))throw new Error(`Error in gradient for op ${a.kernelName}. The gradient of input '${u}' has shape '${l.shape}', which does not match the shape of the input '${c.shape}'`);if(e[c.id]==null)e[c.id]=l;else{let p=e[c.id];e[c.id]=s(p,l),p.dispose()}}}}var gx=20,$u=3,qf=7;function d_(e,t,n,s){let r=ci(t),a=p_(e,t,n,r),o=t.length,i=ad(e,t,n,r,a),u=["Tensor"];return s&&(u.push(` dtype: ${n}`),u.push(` rank: ${o}`),u.push(` shape: [${t}]`),u.push(" values:")),u.push(i.map(l=>" "+l).join(` `)),u.join(` `)}function p_(e,t,n,s){let r=dt(t),a=s[s.length-1],o=new Array(a).fill(0),i=t.length,u=n==="complex64"?Du(e):e;if(i>1)for(let l=0;lgx){let g=$u*o,b=Array.from(e.slice(0,g)),y=Array.from(e.slice((i-$u)*o,i*o));return n==="complex64"&&(b=Du(b),y=Du(y)),["["+b.map((v,x)=>Ru(v,r[x],n)).join(", ")+", ..., "+y.map((v,x)=>Ru(v,r[i-$u+x],n)).join(", ")+"]"]}let m=n==="complex64"?Du(e):Array.from(e);return["["+m.map((g,b)=>Ru(g,r[b],n)).join(", ")+"]"]}let l=t.slice(1),c=s.slice(1),p=s[0]*o,d=[];if(i>gx){for(let m=0;m<$u;m++){let g=m*p,b=g+p;d.push(...ad(e.slice(g,b),l,n,c,r,!1))}d.push("...");for(let m=i-$u;m`Length of values '${s}' does not match the size inferred by the shape '${this.size}'.`)}if(t==="complex64")throw new Error("complex64 dtype TensorBuffers are not supported. Please create a TensorBuffer for the real and imaginary parts separately and call tf.complex(real, imag).");this.values=n||ik(t,this.size),this.strides=ci(e)}set(e,...t){t.length===0&&(t=[0]),O(t.length===this.rank,()=>`The number of provided coordinates (${t.length}) must match the rank (${this.rank})`);let n=this.locToIndex(t);this.values[n]=e}get(...e){e.length===0&&(e=[0]);let t=0;for(let s of e){if(s<0||s>=this.shape[t]){let r=`Requested out of range element at ${e}. Buffer shape=${this.shape}`;throw new Error(r)}t++}let n=e[e.length-1];for(let s=0;swd(n))}catch(n){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}}return e}dataToGPU(e){return this.throwIfDisposed(),cs().readToGPU(this.dataId,e)}dataSync(){this.throwIfDisposed();let e=cs().readSync(this.dataId);if(this.dtype==="string")try{return e.map(t=>wd(t))}catch(t){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}return e}async bytes(){this.throwIfDisposed();let e=await cs().read(this.dataId);return this.dtype==="string"?e:new Uint8Array(e.buffer)}dispose(){this.isDisposed||(cs().disposeTensor(this),this.isDisposedInternal=!0)}get isDisposed(){return this.isDisposedInternal}throwIfDisposed(){if(this.isDisposed)throw new Error("Tensor is disposed.")}print(e=!1){return Ho.print(this,e)}clone(){return this.throwIfDisposed(),Ho.clone(this)}toString(e=!1){let t=this.dataSync();return d_(t,this.shape,this.dtype,e)}cast(e){return this.throwIfDisposed(),Ho.cast(this,e)}variable(e=!0,t,n){return this.throwIfDisposed(),cs().makeVariable(this,e,t,n)}};Object.defineProperty(et,Symbol.hasInstance,{value:e=>!!e&&e.data!=null&&e.dataSync!=null&&e.throwIfDisposed!=null});function b_(){return gg("Tensor",()=>et)}b_();var kd=class extends et{constructor(e,t,n,s){super(e.shape,e.dtype,e.dataId,s),this.trainable=t,this.name=n}assign(e){if(e.dtype!==this.dtype)throw new Error(`dtype of the new value (${e.dtype}) and previous value (${this.dtype}) must match`);if(!Ir(e.shape,this.shape))throw new Error(`shape of the new value (${e.shape}) and previous value (${this.shape}) must match`);cs().disposeTensor(this),this.dataId=e.dataId,cs().incRef(this,null)}dispose(){cs().disposeVariable(this),this.isDisposedInternal=!0}};Object.defineProperty(kd,Symbol.hasInstance,{value:e=>e instanceof et&&e.assign!=null&&e.assign instanceof Function});var _s={};Ee(_s,{assertTypesMatch:()=>Sk,getTensorsInContainer:()=>Gg,isTensorInList:()=>x_,makeTypesMatch:()=>xt});var y_=(e=>(e.R0="R0",e.R1="R1",e.R2="R2",e.R3="R3",e.R4="R4",e.R5="R5",e.R6="R6",e))(y_||{}),vk=(e=>(e.float32="float32",e.int32="int32",e.bool="int32",e.complex64="complex64",e))(vk||{}),xk=(e=>(e.float32="float32",e.int32="int32",e.bool="bool",e.complex64="complex64",e))(xk||{}),wk=(e=>(e.float32="float32",e.int32="float32",e.bool="float32",e.complex64="complex64",e))(wk||{}),kk=(e=>(e.float32="complex64",e.int32="complex64",e.bool="complex64",e.complex64="complex64",e))(kk||{}),v_={float32:wk,int32:vk,bool:xk,complex64:kk};function cn(e,t){if(e==="string"||t==="string"){if(e==="string"&&t==="string")return"string";throw new Error(`Can not upcast ${e} with ${t}`)}return v_[e][t]}function yp(e){return cn(e,"int32")}function xt(e,t){if(e.dtype===t.dtype)return[e,t];let n=cn(e.dtype,t.dtype);return[e.cast(n),t.cast(n)]}function Sk(e,t){O(e.dtype===t.dtype,()=>`The dtypes of the first(${e.dtype}) and second(${t.dtype}) input must match`)}function x_(e,t){return t.some(n=>n.id===e.id)}function Gg(e){let t=[];return Ik(e,t,new Set),t}function Ik(e,t,n){if(e==null)return;if(e instanceof et){t.push(e);return}if(!w_(e))return;let s=e;for(let r in s){let a=s[r];n.has(a)||(n.add(a),Ik(a,t,n))}}function w_(e){return Array.isArray(e)||typeof e=="object"}function jf(e){return e.kernelName!=null}var bx=class{constructor(){this.registeredVariables={},this.nextTapeNodeId=0,this.numBytes=0,this.numTensors=0,this.numStringTensors=0,this.numDataBuffers=0,this.gradientDepth=0,this.kernelDepth=0,this.scopeStack=[],this.numDataMovesStack=[],this.nextScopeId=0,this.tensorInfo=new WeakMap,this.profiling=!1,this.activeProfile={newBytes:0,newTensors:0,peakBytes:0,kernels:[],result:null,get kernelNames(){return Array.from(new Set(this.kernels.map(e=>e.name)))}}}dispose(){for(let e in this.registeredVariables)this.registeredVariables[e].dispose()}},pm=class{constructor(e){this.ENV=e,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new bx}async ready(){if(this.pendingBackendInit!=null)return this.pendingBackendInit.then(()=>{});if(this.backendInstance!=null)return;let e=this.getSortedBackends();for(let t=0;t{t.setupFunc!=null&&t.setupFunc(this.backendInstance)})}disposeRegisteredKernels(e){cm(e).forEach(n=>{n.disposeFunc!=null&&n.disposeFunc(this.registry[e])})}initializeBackend(e){let t=this.registryFactory[e];if(t==null)throw new Error(`Cannot initialize backend ${e}, no registration found.`);try{let n=t.factory();if(n&&!(n instanceof il)&&typeof n.then=="function"){let s=++this.pendingBackendInitId,r=n.then(a=>s(sthis.registryFactory[t].priority-this.registryFactory[e].priority)}initializeBackendsAndReturnBest(){let e=this.getSortedBackends();for(let t=0;tthis.startScope(n),()=>this.endScope(s),()=>(s=t(),s instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),s))}scopedRun(e,t,n){e();try{let s=n();return t(),s}catch(s){throw t(),s}}nextTensorId(){return pm.nextTensorId++}nextVariableId(){return pm.nextVariableId++}clone(e){let t=z.runKernel(Wa,{x:e}),n={x:e},s=a=>({x:()=>{let o="float32",i={x:a},u={dtype:o};return z.runKernel(Ta,i,u)}}),r=[];return this.addTapeNode(this.state.activeScope.name,n,[t],s,r,{}),t}runKernel(e,t,n){if(this.backendName==null&&this.backend,!(lm(e,this.backendName)!=null))throw new Error(`Kernel '${e}' not registered for backend '${this.backendName}'`);return this.runKernelFunc({kernelName:e,inputs:t,attrs:n})}shouldCheckForMemLeaks(){return this.ENV.getBool("IS_TEST")}checkKernelForMemLeak(e,t,n){let s=this.backend.numDataIds(),r=0;n.forEach(i=>{r+=i.dtype==="complex64"?3:1});let a=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],o=s-t-r-a;if(o>0)throw new Error(`Backend '${this.backendName}' has an internal memory leak (${o} data ids) after running '${e}'`)}runKernelFunc(e){let t,n=[],s=this.isTapeOn(),r=this.state.numBytes,a=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);let o;this.backendName==null&&this.backend;let i,u=jf(e)?e.kernelName:this.state.activeScope!=null?this.state.activeScope.name:"";if(jf(e)){let{kernelName:h,inputs:f,attrs:m}=e;this.backendName==null&&this.backend;let g=lm(h,this.backendName);O(g!=null,()=>`Cannot find registered kernel '${h}' for backend '${this.backendName}'`),o=()=>{let b=this.backend.numDataIds();i=g.kernelFunc({inputs:f,attrs:m,backend:this.backend});let y=Array.isArray(i)?i:[i];this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(h,b,y);let v=y.map(x=>x.rank!=null?x:this.makeTensorFromTensorInfo(x));if(s){let x=this.getTensorsForGradient(h,f,v);n=this.saveTensorsForBackwardMode(x)}return v}}else{let{forwardFunc:h}=e,f=m=>{!s||(n=m.map(g=>this.keep(this.clone(g))))};o=()=>{let m=this.backend.numDataIds();i=this.tidy(()=>h(this.backend,f));let g=Array.isArray(i)?i:[i];return this.shouldCheckForMemLeaks()&&this.checkKernelForMemLeak(u,m,g),g}}let{inputs:l,attrs:c}=e,p=jf(e)?null:e.backwardsFunc,d;return this.scopedRun(()=>this.state.kernelDepth++,()=>this.state.kernelDepth--,()=>{!this.ENV.getBool("DEBUG")&&!this.state.profiling?t=o():(d=this.profiler.profileKernel(u,l,()=>o()),this.ENV.getBool("DEBUG")&&this.profiler.logKernelProfile(d),t=d.outputs)}),s&&this.addTapeNode(u,l,t,p,n,c),this.state.profiling&&this.state.activeProfile.kernels.push({name:u,bytesAdded:this.state.numBytes-r,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-a,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(l).map(h=>l[h]!=null?l[h].shape:null),outputShapes:t.map(h=>h.shape),kernelTimeMs:d.timeMs,extraInfo:d.extraInfo}),Array.isArray(i)?t:t[0]}saveTensorsForBackwardMode(e){return e.map(n=>this.keep(this.clone(n)))}getTensorsForGradient(e,t,n){let s=hx(e);if(s!=null){let r=s.inputsToSave||[],a=s.outputsToSave||[],o;s.saveAllInputs?(O(Array.isArray(t),()=>"saveAllInputs is true, expected inputs to be an array."),o=Object.keys(t).map(u=>t[u])):o=r.map(u=>t[u]);let i=n.filter((u,l)=>a[l]);return o.concat(i)}return[]}makeTensor(e,t,n,s){if(e==null)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",s=s||this.backend;let r=e;n==="string"&&or(e[0])&&(r=e.map(i=>zl(i)));let a=s.write(r,t,n),o=new et(t,n,a,this.nextTensorId());if(this.trackTensor(o,s),n==="string"){let i=this.state.tensorInfo.get(a),u=ck(r);this.state.numBytes+=u-i.bytes,i.bytes=u}return o}makeTensorFromDataId(e,t,n,s){n=n||"float32";let r={dataId:e,shape:t,dtype:n};return this.makeTensorFromTensorInfo(r,s)}makeTensorFromTensorInfo(e,t){let{dataId:n,shape:s,dtype:r}=e,a=new et(s,r,n,this.nextTensorId());return this.trackTensor(a,t),a}makeVariable(e,t=!0,n,s){n=n||this.nextVariableId().toString(),s!=null&&s!==e.dtype&&(e=e.cast(s));let r=new kd(e,t,n,this.nextTensorId());if(this.state.registeredVariables[r.name]!=null)throw new Error(`Variable with name ${r.name} was already registered`);return this.state.registeredVariables[r.name]=r,this.incRef(r,this.backend),r}trackTensor(e,t){this.state.numTensors++,e.dtype==="string"&&this.state.numStringTensors++;let n=0;e.dtype!=="complex64"&&e.dtype!=="string"&&(n=e.size*om(e.dtype)),this.state.numBytes+=n,this.state.tensorInfo.has(e.dataId)||(this.state.numDataBuffers++,this.state.tensorInfo.set(e.dataId,{backend:t||this.backend,dtype:e.dtype,shape:e.shape,bytes:n})),e instanceof kd||this.track(e)}incRef(e,t){this.trackTensor(e,t),this.backend.incRef(e.dataId)}removeDataId(e,t){this.state.tensorInfo.has(e)&&this.state.tensorInfo.get(e).backend===t&&(this.state.tensorInfo.delete(e),this.state.numDataBuffers--)}disposeTensor(e){if(!this.state.tensorInfo.has(e.dataId))return;let t=this.state.tensorInfo.get(e.dataId);if(this.state.numTensors--,e.dtype==="string"&&(this.state.numStringTensors--,this.state.numBytes-=t.bytes),e.dtype!=="complex64"&&e.dtype!=="string"){let n=e.size*om(e.dtype);this.state.numBytes-=n}t.backend.disposeData(e.dataId)&&this.removeDataId(e.dataId,t.backend)}disposeVariables(){for(let e in this.state.registeredVariables){let t=this.state.registeredVariables[e];this.disposeVariable(t)}}disposeVariable(e){this.disposeTensor(e),this.state.registeredVariables[e.name]!=null&&delete this.state.registeredVariables[e.name]}memory(){let e=this.backend.memory();return e.numTensors=this.state.numTensors,e.numDataBuffers=this.state.numDataBuffers,e.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(e.unreliable=!0,e.reasons==null&&(e.reasons=[]),e.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),e}async profile(e){this.state.profiling=!0;let t=this.state.numBytes,n=this.state.numTensors;this.state.activeProfile.kernels=[],this.state.activeProfile.result=await e(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max(...this.state.activeProfile.kernels.map(s=>s.totalBytesSnapshot)),this.state.activeProfile.newBytes=this.state.numBytes-t,this.state.activeProfile.newTensors=this.state.numTensors-n;for(let s of this.state.activeProfile.kernels)s.kernelTimeMs=await s.kernelTimeMs,s.extraInfo=await s.extraInfo;return this.state.activeProfile}isTapeOn(){return this.state.gradientDepth>0&&this.state.kernelDepth===0}addTapeNode(e,t,n,s,r,a){let o={id:this.state.nextTapeNodeId++,kernelName:e,inputs:t,outputs:n,saved:r},i=hx(e);i!=null&&(s=i.gradFunc),s!=null&&(o.gradient=u=>(u=u.map((l,c)=>{if(l==null){let p=n[c],d=ep(p.size,p.dtype);return this.makeTensor(d,p.shape,p.dtype)}return l}),s(u.length>1?u:u[0],r,a))),this.state.activeTape.push(o)}keep(e){return e.kept=!0,e}startTape(){this.state.gradientDepth===0&&(this.state.activeTape=[]),this.state.gradientDepth++}endTape(){this.state.gradientDepth--}startScope(e){let t={track:[],name:"unnamed scope",id:this.state.nextScopeId++};e&&(t.name=e),this.state.scopeStack.push(t),this.state.activeScope=t}endScope(e){let t=Gg(e),n=new Set(t.map(r=>r.id));for(let r=0;r{!r.kept&&r.scopeId===s.id&&this.track(r)})}gradients(e,t,n,s=!1){if(O(t.length>0,()=>"gradients() received an empty list of xs."),n!=null&&n.dtype!=="float32")throw new Error(`dy must have 'float32' dtype, but has '${n.dtype}'`);let r=this.scopedRun(()=>this.startTape(),()=>this.endTape(),()=>this.tidy("forward",e));O(r instanceof et,()=>"The result y returned by f() must be a tensor.");let a=l_(this.state.activeTape,t,r);if(!s&&a.length===0&&t.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",()=>{let o={};o[r.id]=n==null?k_(r.shape):n,c_(o,a,u=>this.tidy(u),S_);let i=t.map(u=>o[u.id]);return this.state.gradientDepth===0&&(this.state.activeTape.forEach(u=>{for(let l of u.saved)l.dispose()}),this.state.activeTape=null),{value:r,grads:i}})}customGrad(e){return O(fr(e),()=>"The f passed in customGrad(f) must be a function."),(...t)=>{O(t.every(o=>o instanceof et),()=>"The args passed in customGrad(f)(x1, x2,...) must all be tensors");let n,s={};t.forEach((o,i)=>{s[i]=o});let r=(o,i)=>(n=e(...t,i),O(n.value instanceof et,()=>"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"),O(fr(n.gradFunc),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."),n.value),a=(o,i)=>{let u=n.gradFunc(o,i),l=Array.isArray(u)?u:[u];O(l.length===t.length,()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...)."),O(l.every(p=>p instanceof et),()=>"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors.");let c={};return l.forEach((p,d)=>{c[d]=()=>p}),c};return this.runKernelFunc({forwardFunc:r,backwardsFunc:a,inputs:s})}}readSync(e){return this.state.tensorInfo.get(e).backend.readSync(e)}read(e){return this.state.tensorInfo.get(e).backend.read(e)}readToGPU(e,t){return this.state.tensorInfo.get(e).backend.readToGPU(e,t)}async time(e){let t=ju(),n=await this.backend.time(e);return n.wallMs=ju()-t,n}track(e){return this.state.activeScope!=null&&(e.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(e)),e}get registeredVariables(){return this.state.registeredVariables}reset(){this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new bx;for(let e in this.registry)this.disposeRegisteredKernels(e),this.registry[e].dispose(),delete this.registry[e];this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null}},Hg=pm;Hg.nextTensorId=0;Hg.nextVariableId=0;function k_(e){let t=hg(dt(e),"float32");return z.makeTensor(t,e,"float32")}function Ck(){let e=mk();if(e._tfengine==null){let t=new V$(e);e._tfengine=new Hg(t)}return H$(e._tfengine.ENV),f_(()=>e._tfengine),e._tfengine}var z=Ck();function S_(e,t){let n={a:e,b:t};return z.runKernel(Cr,n)}var vp={};Ee(vp,{isBrowser:()=>Nk,isMobile:()=>N_,mockIsMobile:()=>C_});function I_(){return typeof navigator!="undefined"&&navigator!=null}var hm;function C_(e){hm=e}function N_(e){if(hm!==void 0)return hm;if(e||I_()){if(e||(e=navigator),e.product==="ReactNative")return!0;let t=e.userAgent||e.vendor||(typeof window!="undefined"?window.opera:"");if(!t){let n=e;return n.userAgentData&&n.userAgentData.mobile}return/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(t)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(t.substr(0,4))}return!1}function Nk(){return typeof window!="undefined"&&window.document!=null||typeof WorkerGlobalScope!="undefined"}var Vn=K();Vn.registerFlag("DEBUG",()=>!1,e=>{e&&console.warn("Debugging mode is ON. The output of every math call will be downloaded to CPU and checked for NaNs. This significantly impacts performance.")});Vn.registerFlag("IS_BROWSER",()=>Nk());Vn.registerFlag("IS_NODE",()=>typeof process!="undefined"&&typeof process.versions!="undefined"&&typeof process.versions.node!="undefined");Vn.registerFlag("IS_CHROME",()=>typeof navigator!="undefined"&&navigator!=null&&navigator.userAgent!=null&&/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor));Vn.registerFlag("PROD",()=>!1);Vn.registerFlag("TENSORLIKE_CHECK_SHAPE_CONSISTENCY",()=>Vn.getBool("DEBUG"));Vn.registerFlag("DEPRECATION_WARNINGS_ENABLED",()=>!0);Vn.registerFlag("IS_TEST",()=>!1);Vn.registerFlag("CHECK_COMPUTATION_FOR_ERRORS",()=>!0);Vn.registerFlag("WRAP_TO_IMAGEBITMAP",()=>!1);Vn.registerFlag("ENGINE_COMPILE_ONLY",()=>!1);Vn.registerFlag("CANVAS2D_WILL_READ_FREQUENTLY",()=>!1);function Rs(e,t){let n=e;if(Qt(e))return t==="string"?[]:[e.length];if(!Array.isArray(e))return[];let s=[];for(;Array.isArray(n)||Qt(n)&&t!=="string";)s.push(n.length),n=n[0];return Array.isArray(e)&&K().getBool("TENSORLIKE_CHECK_SHAPE_CONSISTENCY")&&Tk(e,s,[]),s}function Tk(e,t,n){if(n=n||[],!Array.isArray(e)&&!Qt(e)){O(t.length===0,()=>`Element arr[${n.join("][")}] is a primitive, but should be an array/TypedArray of ${t[0]} elements`);return}O(t.length>0,()=>`Element arr[${n.join("][")}] should be a primitive, but is an array of ${e.length} elements`),O(e.length===t[0],()=>`Element arr[${n.join("][")}] should have ${t[0]} elements, but has ${e.length} elements`);let s=t.slice(1);for(let r=0;r=0&&(r=s),yx(s,r,t,n),e==null||!Qt(e)&&!Array.isArray(e)&&typeof e!="number"&&typeof e!="boolean"&&typeof e!="string"){let u=e==null?"null":e.constructor.name;throw new Error(`Argument '${t}' passed to '${n}' must be a Tensor or TensorLike, but got '${u}'`)}let a=Rs(e,r);!Qt(e)&&!Array.isArray(e)&&(e=[e]);let i=r!=="string"?bp(e,r):aa(e,[],!0);return z.makeTensor(i,a,r)}function Ku(e,t,n,s="numeric"){if(!Array.isArray(e))throw new Error(`Argument ${t} passed to ${n} must be a \`Tensor[]\` or \`TensorLike[]\``);return e.map((a,o)=>_(a,`${t}[${o}]`,n,s))}var T_="__op";function M(e){let t=Object.keys(e);if(t.length!==1)throw new Error(`Please provide an object with a single key (operation name) mapping to a function. Got an object with ${t.length} keys.`);let n=t[0],s=e[n];n.endsWith("_")&&(n=n.substring(0,n.length-1)),n=n+T_;let r=(...a)=>{z.startScope(n);try{let o=s(...a);return mg(o)&&console.error("Cannot return a Promise inside of tidy."),z.endScope(o),o}catch(o){throw z.endScope(null),o}};return Object.defineProperty(r,"name",{value:n,configurable:!0}),r}function $_(e,t){let n=_(e,"real","complex"),s=_(t,"imag","complex");hn(n.shape,s.shape,`real and imag shapes, ${n.shape} and ${s.shape}, must match in call to tf.complex().`);let r={real:n,imag:s};return z.runKernel(np,r)}var mr=M({complex_:$_});function $r(e,t,n,s){if(s==null&&(s=Jd(e)),s==="complex64")throw new Error("Cannot construct a complex64 tensor directly. Please use tf.complex(real, imag).");if(!Qt(e)&&!Array.isArray(e)&&typeof e!="number"&&typeof e!="boolean"&&typeof e!="string")throw new Error("values passed to tensor(values) must be a number/boolean/string or an array of numbers/booleans/strings, or a TypedArray");if(t!=null){fg(t);let r=dt(t),a=dt(n);O(r===a,()=>`Based on the provided shape, [${t}], the tensor should have ${r} values but has ${a}`);for(let o=0;o`Error creating a new Tensor. Inferred shape (${n}) does not match the provided shape (${t}). `)}}return!Qt(e)&&!Array.isArray(e)&&(e=[e]),t=t||n,e=s!=="string"?bp(e,s):aa(e,[],!0),z.makeTensor(e,t,s)}function ms(e,t,n){let s=Rs(e,n);return $r(e,t,s,n)}var fm={float32:4,float16:2,int32:4,uint16:2,uint8:1,bool:1,complex64:8},Sd=4;async function __(e,t){let n=[],s=[],r=Array.isArray(e)?e.map(o=>o.name):Object.keys(e);for(let o=0;o{let d=await u.bytes(),h=d.reduce((g,b)=>g+b.length,0)+Sd*d.length,f=new Uint8Array(h),m=0;for(let g=0;g{if(t+=a.byteLength,n.push(a.byteLength===a.buffer.byteLength?a:new a.constructor(a)),!(a instanceof Float32Array||a instanceof Int32Array||a instanceof Uint8Array))throw new Error(`Unsupported TypedArray subtype: ${a.constructor.name}`)});let s=new Uint8Array(t),r=0;return n.forEach(a=>{s.set(new Uint8Array(a.buffer),r),r+=a.byteLength}),s.buffer}var qg=typeof Buffer!="undefined"&&(typeof Blob=="undefined"||typeof atob=="undefined"||typeof btoa=="undefined");function vx(e){return qg?Buffer.byteLength(e):new Blob([e]).size}function E_(e){if(qg)return Buffer.from(e).toString("base64");let t=new Uint8Array(e),n="";for(let s=0,r=t.length;s{t+=r.byteLength});let n=new Uint8Array(t),s=0;return e.forEach(r=>{n.set(new Uint8Array(r),s),s+=r.byteLength}),n.buffer}function xx(e){let t="/";for(e=e.trim();e.endsWith(t);)e=e.slice(0,e.length-1);let n=e.split(t);return n[n.length-1]}function _k(e,t){let n={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,weightsManifest:t};return e.signature!=null&&(n.signature=e.signature),e.userDefinedMetadata!=null&&(n.userDefinedMetadata=e.userDefinedMetadata),e.modelInitializer!=null&&(n.modelInitializer=e.modelInitializer),e.trainingConfig!=null&&(n.trainingConfig=e.trainingConfig),n}async function Kg(e,t){let n={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy};if(e.trainingConfig!=null&&(n.trainingConfig=e.trainingConfig),e.weightsManifest!=null){let[s,r]=await t(e.weightsManifest);n.weightSpecs=s,n.weightData=r}return e.signature!=null&&(n.signature=e.signature),e.userDefinedMetadata!=null&&(n.userDefinedMetadata=e.userDefinedMetadata),e.modelInitializer!=null&&(n.modelInitializer=e.modelInitializer),n}function Ll(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("Expected JSON model topology, received ArrayBuffer.");return{dateSaved:new Date,modelTopologyType:"JSON",modelTopologyBytes:e.modelTopology==null?0:vx(JSON.stringify(e.modelTopology)),weightSpecsBytes:e.weightSpecs==null?0:vx(JSON.stringify(e.weightSpecs)),weightDataBytes:e.weightData==null?0:e.weightData.byteLength}}function D_(){let e=n=>{let s=n<<13,r=0;for(;(s&8388608)===0;)r-=8388608,s<<=1;return s&=-8388609,r+=947912704,s|r},t=new Uint32Array(2048);t[0]=0;for(let n=1;n<1024;n++)t[n]=e(n);for(let n=1024;n<2048;n++)t[n]=939524096+(n-1024<<13);return t}function F_(){let e=new Uint32Array(64);e[0]=0,e[31]=1199570944,e[32]=2147483648,e[63]=3347054592;for(let t=1;t<31;t++)e[t]=t<<23;for(let t=33;t<63;t++)e[t]=2147483648+(t-32<<23);return e}function O_(){let e=new Uint32Array(64);for(let t=0;t<64;t++)e[t]=1024;return e[0]=e[32]=0,e}function P_(){let e=D_(),t=F_(),n=O_();return s=>{let r=new ArrayBuffer(4*s.length),a=new Uint32Array(r);for(let o=0;o>10]+(i&1023)]+t[i>>10];a[o]=u}return new Float32Array(r)}}var wt=class{constructor(){this.saveRouters=[],this.loadRouters=[]}static getInstance(){return wt.instance==null&&(wt.instance=new wt),wt.instance}static registerSaveRouter(e){wt.getInstance().saveRouters.push(e)}static registerLoadRouter(e){wt.getInstance().loadRouters.push(e)}static getSaveHandlers(e){return wt.getHandlers(e,"save")}static getLoadHandlers(e,t){return wt.getHandlers(e,"load",t)}static getHandlers(e,t,n){let s=[];return(t==="load"?wt.getInstance().loadRouters:wt.getInstance().saveRouters).forEach(a=>{let o=a(e,n);o!==null&&s.push(o)}),s}},z_=e=>wt.registerSaveRouter(e),L_=e=>wt.registerLoadRouter(e),M_=e=>wt.getSaveHandlers(e),B_=(e,t)=>wt.getLoadHandlers(e,t),mm="tensorflowjs",gm=1,Zr="models_store",ir="model_info_store";function Ak(){if(!K().getBool("IS_BROWSER"))throw new Error("Failed to obtain IndexedDB factory because the current environmentis not a web browser.");let e=typeof window=="undefined"?self:window,t=e.indexedDB||e.mozIndexedDB||e.webkitIndexedDB||e.msIndexedDB||e.shimIndexedDB;if(t==null)throw new Error("The current browser does not appear to support IndexedDB.");return t}function bm(e){let t=e.result;t.createObjectStore(Zr,{keyPath:"modelPath"}),t.createObjectStore(ir,{keyPath:"modelPath"})}var la=class{constructor(e){if(this.indexedDB=Ak(),e==null||!e)throw new Error("For IndexedDB, modelPath must not be null, undefined or empty.");this.modelPath=e}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");return this.databaseAction(this.modelPath,e)}async load(){return this.databaseAction(this.modelPath)}databaseAction(e,t){return new Promise((n,s)=>{let r=this.indexedDB.open(mm,gm);r.onupgradeneeded=()=>bm(r),r.onsuccess=()=>{let a=r.result;if(t==null){let o=a.transaction(Zr,"readonly"),u=o.objectStore(Zr).get(this.modelPath);u.onsuccess=()=>{if(u.result==null)return a.close(),s(new Error(`Cannot find model with path '${this.modelPath}' in IndexedDB.`));n(u.result.modelArtifacts)},u.onerror=l=>(a.close(),s(u.error)),o.oncomplete=()=>a.close()}else{let o=Ll(t),i=a.transaction(ir,"readwrite"),u=i.objectStore(ir),l=u.put({modelPath:this.modelPath,modelArtifactsInfo:o}),c;l.onsuccess=()=>{c=a.transaction(Zr,"readwrite");let d=c.objectStore(Zr).put({modelPath:this.modelPath,modelArtifacts:t,modelArtifactsInfo:o});d.onsuccess=()=>n({modelArtifactsInfo:o}),d.onerror=h=>{u=i.objectStore(ir);let f=u.delete(this.modelPath);f.onsuccess=()=>(a.close(),s(d.error)),f.onerror=m=>(a.close(),s(d.error))}},l.onerror=p=>(a.close(),s(l.error)),i.oncomplete=()=>{c==null?a.close():c.oncomplete=()=>a.close()}}},r.onerror=a=>s(r.error)})}};la.URL_SCHEME="indexeddb://";var Ek=e=>K().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(la.URL_SCHEME)?V_(e.slice(la.URL_SCHEME.length)):null;wt.registerSaveRouter(Ek);wt.registerLoadRouter(Ek);function V_(e){return new la(e)}function W_(e){return e.startsWith(la.URL_SCHEME)?e.slice(la.URL_SCHEME.length):e}var U_=class{constructor(){this.indexedDB=Ak()}async listModels(){return new Promise((e,t)=>{let n=this.indexedDB.open(mm,gm);n.onupgradeneeded=()=>bm(n),n.onsuccess=()=>{let s=n.result,r=s.transaction(ir,"readonly"),o=r.objectStore(ir).getAll();o.onsuccess=()=>{let i={};for(let u of o.result)i[u.modelPath]=u.modelArtifactsInfo;e(i)},o.onerror=i=>(s.close(),t(o.error)),r.oncomplete=()=>s.close()},n.onerror=s=>t(n.error)})}async removeModel(e){return e=W_(e),new Promise((t,n)=>{let s=this.indexedDB.open(mm,gm);s.onupgradeneeded=()=>bm(s),s.onsuccess=()=>{let r=s.result,a=r.transaction(ir,"readwrite"),o=a.objectStore(ir),i=o.get(e),u;i.onsuccess=()=>{if(i.result==null)return r.close(),n(new Error(`Cannot find model with path '${e}' in IndexedDB.`));{let l=o.delete(e),c=()=>{u=r.transaction(Zr,"readwrite");let d=u.objectStore(Zr).delete(e);d.onsuccess=()=>t(i.result.modelArtifactsInfo),d.onerror=h=>n(i.error)};l.onsuccess=c,l.onerror=p=>(c(),r.close(),n(i.error))}},i.onerror=l=>(r.close(),n(i.error)),a.oncomplete=()=>{u==null?r.close():u.oncomplete=()=>r.close()}},s.onerror=r=>n(s.error)})}},Us="/",qo="tensorflowjs_models",Rk="info",G_="model_topology",H_="weight_specs",q_="weight_data",j_="model_metadata";function Dk(e){return{info:[qo,e,Rk].join(Us),topology:[qo,e,G_].join(Us),weightSpecs:[qo,e,H_].join(Us),weightData:[qo,e,q_].join(Us),modelMetadata:[qo,e,j_].join(Us)}}function Fk(e){for(let t of Object.values(e))window.localStorage.removeItem(t)}function K_(e){let t=e.split(Us);if(t.length<3)throw new Error(`Invalid key format: ${e}`);return t.slice(1,t.length-1).join(Us)}function X_(e){return e.startsWith(ca.URL_SCHEME)?e.slice(ca.URL_SCHEME.length):e}var ca=class{constructor(e){if(!K().getBool("IS_BROWSER")||typeof window=="undefined"||typeof window.localStorage=="undefined")throw new Error("The current environment does not support local storage.");if(this.LS=window.localStorage,e==null||!e)throw new Error("For local storage, modelPath must not be null, undefined or empty.");this.modelPath=e,this.keys=Dk(this.modelPath)}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");{let t=JSON.stringify(e.modelTopology),n=JSON.stringify(e.weightSpecs),s=Ll(e);try{this.LS.setItem(this.keys.info,JSON.stringify(s)),this.LS.setItem(this.keys.topology,t),this.LS.setItem(this.keys.weightSpecs,n),this.LS.setItem(this.keys.weightData,E_(e.weightData));let r={format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,signature:e.signature!=null?e.signature:void 0,userDefinedMetadata:e.userDefinedMetadata!=null?e.userDefinedMetadata:void 0,modelInitializer:e.modelInitializer!=null?e.modelInitializer:void 0,trainingConfig:e.trainingConfig!=null?e.trainingConfig:void 0};return this.LS.setItem(this.keys.modelMetadata,JSON.stringify(r)),{modelArtifactsInfo:s}}catch(r){throw Fk(this.keys),new Error(`Failed to save model '${this.modelPath}' to local storage: size quota being exceeded is a possible cause of this failure: modelTopologyBytes=${s.modelTopologyBytes}, weightSpecsBytes=${s.weightSpecsBytes}, weightDataBytes=${s.weightDataBytes}.`)}}}async load(){let e=JSON.parse(this.LS.getItem(this.keys.info));if(e==null)throw new Error(`In local storage, there is no model with name '${this.modelPath}'`);if(e.modelTopologyType!=="JSON")throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");let t={},n=JSON.parse(this.LS.getItem(this.keys.topology));if(n==null)throw new Error(`In local storage, the topology of model '${this.modelPath}' is missing.`);t.modelTopology=n;let s=JSON.parse(this.LS.getItem(this.keys.weightSpecs));if(s==null)throw new Error(`In local storage, the weight specs of model '${this.modelPath}' are missing.`);t.weightSpecs=s;let r=this.LS.getItem(this.keys.modelMetadata);if(r!=null){let o=JSON.parse(r);t.format=o.format,t.generatedBy=o.generatedBy,t.convertedBy=o.convertedBy,o.signature!=null&&(t.signature=o.signature),o.userDefinedMetadata!=null&&(t.userDefinedMetadata=o.userDefinedMetadata),o.modelInitializer!=null&&(t.modelInitializer=o.modelInitializer),o.trainingConfig!=null&&(t.trainingConfig=o.trainingConfig)}let a=this.LS.getItem(this.keys.weightData);if(a==null)throw new Error(`In local storage, the binary weight values of model '${this.modelPath}' are missing.`);return t.weightData=R_(a),t}};ca.URL_SCHEME="localstorage://";var Ok=e=>K().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(ca.URL_SCHEME)?Y_(e.slice(ca.URL_SCHEME.length)):null;wt.registerSaveRouter(Ok);wt.registerLoadRouter(Ok);function Y_(e){return new ca(e)}var Q_=class{constructor(){O(K().getBool("IS_BROWSER"),()=>"Current environment is not a web browser"),O(typeof window=="undefined"||typeof window.localStorage!="undefined",()=>"Current browser does not appear to support localStorage"),this.LS=window.localStorage}async listModels(){let e={},t=qo+Us,n=Us+Rk;for(let s=0;s"scheme must not be undefined or null."),e.endsWith(Yo)&&(e=e.slice(0,e.indexOf(Yo))),O(e.length>0,()=>"scheme must not be an empty string.");let n=zn.getInstance();O(n.managers[e]==null,()=>`A model store manager is already registered for scheme '${e}'.`),n.managers[e]=t}static getManager(e){let t=this.getInstance().managers[e];if(t==null)throw new Error(`Cannot find model manager for scheme '${e}'`);return t}static getSchemes(){return Object.keys(this.getInstance().managers)}};function od(e){if(e.indexOf(Yo)===-1)throw new Error(`The url string provided does not contain a scheme. Supported schemes are: ${zn.getSchemes().join(",")}`);return{scheme:e.split(Yo)[0],path:e.split(Yo)[1]}}async function Pk(e,t,n=!1){O(e!==t,()=>`Old path and new path are the same: '${e}'`);let s=wt.getLoadHandlers(e);O(s.length>0,()=>`Copying failed because no load handler is found for source URL ${e}.`),O(s.length<2,()=>`Copying failed because more than one (${s.length}) load handlers for source URL ${e}.`);let r=s[0],a=wt.getSaveHandlers(t);O(a.length>0,()=>`Copying failed because no save handler is found for destination URL ${t}.`),O(a.length<2,()=>`Copying failed because more than one (${s.length}) save handlers for destination URL ${t}.`);let o=a[0],i=od(e).scheme,u=od(e).path,l=i===od(e).scheme,c=await r.load();n&&l&&await zn.getManager(i).removeModel(u);let p=await o.save(c);return n&&!l&&await zn.getManager(i).removeModel(u),p.modelArtifactsInfo}async function Z_(){let e=zn.getSchemes(),t={};for(let n of e){let s=await zn.getManager(n).listModels();for(let r in s){let a=n+Yo+r;t[a]=s[r]}}return t}async function J_(e){let t=od(e);return zn.getManager(t.scheme).removeModel(t.path)}async function eA(e,t){return Pk(e,t,!1)}async function tA(e,t){return Pk(e,t,!0)}var nA=class{fetch(e,t){return fetch(e,t)}now(){return performance.now()}encode(e,t){if(t!=="utf-8"&&t!=="utf8")throw new Error(`Browser's encoder only supports utf-8, but got ${t}`);return this.textEncoder==null&&(this.textEncoder=new TextEncoder),this.textEncoder.encode(e)}decode(e,t){return new TextDecoder(t).decode(e)}};if(K().get("IS_BROWSER")){K().setPlatform("browser",new nA);try{zn.registerManager(ca.URL_SCHEME,new Q_)}catch(e){}try{zn.registerManager(la.URL_SCHEME,new U_)}catch(e){}}var sA={importFetch:()=>l$()},Kf,rA=class{constructor(){this.util=c$(),this.textEncoder=new this.util.TextEncoder}fetch(e,t){return K().global.fetch!=null?K().global.fetch(e,t):(Kf==null&&(Kf=sA.importFetch()),Kf(e,t))}now(){let e=process.hrtime();return e[0]*1e3+e[1]/1e6}encode(e,t){if(t!=="utf-8"&&t!=="utf8")throw new Error(`Node built-in encoder only supports utf-8, but got ${t}`);return this.textEncoder.encode(e)}decode(e,t){return e.length===0?"":new this.util.TextDecoder(t).decode(e)}};K().get("IS_NODE")&&!K().get("IS_BROWSER")&&K().setPlatform("node",new rA);function Ae(e,t="float32",n){return t=t||"float32",fg(e),new Vt(e,t,n)}function aA(e,t){let n=_(e,"x","cast");if(!lk(t))throw new Error(`Failed to cast to unknown dtype ${t}`);if(t==="string"&&n.dtype!=="string"||t!=="string"&&n.dtype==="string")throw new Error("Only strings can be casted to strings");let s={x:n},r={dtype:t};return z.runKernel(Ta,s,r)}var le=M({cast_:aA});function oA(e){let n={x:_(e,"x","clone","string_or_numeric")};return z.runKernel(Wa,n)}var lr=M({clone_:oA});function iA(e,t=!1){console.log(e.toString(t))}Ck();var uA={buffer:Ae,cast:le,clone:lr,print:iA};m_(uA);var An={};Ee(An,{browserFiles:()=>mA,browserHTTPRequest:()=>xA,concatenateArrayBuffers:()=>jg,copyModel:()=>eA,decodeWeights:()=>$k,encodeWeights:()=>__,fromMemory:()=>kA,fromMemorySync:()=>Vk,getLoadHandlers:()=>B_,getModelArtifactsForJSON:()=>Kg,getModelArtifactsInfoForJSON:()=>Ll,getSaveHandlers:()=>M_,http:()=>Yg,isHTTPScheme:()=>vm,listModels:()=>Z_,loadWeights:()=>gA,moveModel:()=>tA,registerLoadRouter:()=>L_,registerSaveRouter:()=>z_,removeModel:()=>J_,weightsLoaderFactory:()=>Lk,withSaveHandler:()=>SA,withSaveHandlerSync:()=>IA});var lA="model",cA=".json",dA=".weights.bin";function wx(e){return new Promise(t=>setTimeout(t)).then(e)}var ym=class{constructor(e){if(!K().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");e.startsWith(ym.URL_SCHEME)&&(e=e.slice(ym.URL_SCHEME.length)),(e==null||e.length===0)&&(e=lA),this.modelJsonFileName=e+cA,this.weightDataFileName=e+dA}async save(e){if(typeof document=="undefined")throw new Error("Browser downloads are not supported in this environment since `document` is not present");let t=window.URL.createObjectURL(new Blob([e.weightData],{type:"application/octet-stream"}));if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");{let n=[{paths:["./"+this.weightDataFileName],weights:e.weightSpecs}],s=_k(e,n),r=window.URL.createObjectURL(new Blob([JSON.stringify(s)],{type:"application/json"})),a=this.modelJsonAnchor==null?document.createElement("a"):this.modelJsonAnchor;if(a.download=this.modelJsonFileName,a.href=r,await wx(()=>a.dispatchEvent(new MouseEvent("click"))),e.weightData!=null){let o=this.weightDataAnchor==null?document.createElement("a"):this.weightDataAnchor;o.download=this.weightDataFileName,o.href=t,await wx(()=>o.dispatchEvent(new MouseEvent("click")))}return{modelArtifactsInfo:Ll(e)}}}},Id=ym;Id.URL_SCHEME="downloads://";var pA=class{constructor(e){if(e==null||e.length<1)throw new Error(`When calling browserFiles, at least 1 file is required, but received ${e}`);this.jsonFile=e[0],this.weightsFiles=e.slice(1)}async load(){return new Promise((e,t)=>{let n=new FileReader;n.onload=s=>{let r=JSON.parse(s.target.result),a=r.modelTopology;if(a==null){t(new Error(`modelTopology field is missing from file ${this.jsonFile.name}`));return}if(r.weightsManifest==null){t(new Error(`weightManifest field is missing from file ${this.jsonFile.name}`));return}if(this.weightsFiles.length===0){e({modelTopology:a});return}let i=Kg(r,u=>this.loadWeights(u));e(i)},n.onerror=s=>t(`Failed to read model topology and weights manifest JSON from file '${this.jsonFile.name}'. BrowserFiles supports loading Keras-style tf.Model artifacts only.`),n.readAsText(this.jsonFile)})}loadWeights(e){let t=[],n=[];for(let a of e)t.push(...a.weights),n.push(...a.paths);let s=this.checkManifestAndWeightFiles(e),r=n.map(a=>this.loadWeightsFile(a,s[a]));return Promise.all(r).then(a=>[t,jg(a)])}loadWeightsFile(e,t){return new Promise((n,s)=>{let r=new FileReader;r.onload=a=>{let o=a.target.result;n(o)},r.onerror=a=>s(`Failed to weights data from file of path '${e}'.`),r.readAsArrayBuffer(t)})}checkManifestAndWeightFiles(e){let t=[],n=this.weightsFiles.map(r=>xx(r.name)),s={};for(let r of e)r.paths.forEach(a=>{let o=xx(a);if(t.indexOf(o)!==-1)throw new Error(`Duplicate file basename found in weights manifest: '${o}'`);if(t.push(o),n.indexOf(o)===-1)throw new Error(`Weight file with basename '${o}' is not provided.`);s[a]=this.weightsFiles[n.indexOf(o)]});if(t.length!==this.weightsFiles.length)throw new Error(`Mismatch in the number of files in weights manifest (${t.length}) and the number of weight files provided (${this.weightsFiles.length}).`);return s}},hA=e=>K().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(Id.URL_SCHEME)?fA(e.slice(Id.URL_SCHEME.length)):null;wt.registerSaveRouter(hA);function fA(e="model"){return new Id(e)}function mA(e){return new pA(e)}function kx(e,t,n,s){o(e),n=n==null?0:n,s=s==null?1:s,i(n,s);let r=0,a=u=>(u.then(l=>{let c=n+ ++r/e.length*(s-n);return t(c),l}),u);function o(u){O(u!=null&&Array.isArray(u)&&u.length>0,()=>"promises must be a none empty array")}function i(u,l){O(u>=0&&u<=1,()=>`Progress fraction must be in range [0, 1], but got startFraction ${u}`),O(l>=0&&l<=1,()=>`Progress fraction must be in range [0, 1], but got endFraction ${l}`),O(l>=u,()=>`startFraction must be no more than endFraction, but got startFraction ${u} and endFraction ${l}`)}return Promise.all(e.map(a))}async function zk(e,t){t==null&&(t={});let n=t.fetchFunc==null?K().platform.fetch:t.fetchFunc,s=e.map(p=>n(p,t.requestInit,{isBinary:!0})),r=0,a=.5,i=(t.onProgress==null?await Promise.all(s):await kx(s,t.onProgress,r,a)).map(p=>p.arrayBuffer()),u=.5,l=1;return t.onProgress==null?await Promise.all(i):await kx(i,t.onProgress,u,l)}async function gA(e,t="",n,s){return Lk(o=>zk(o,{requestInit:s}))(e,t,n)}function Lk(e){return async(t,n="",s)=>{let r=t.map(()=>!1),a={},o=s!=null?s.map(()=>!1):[],i=[];if(t.forEach((h,f)=>{let m=0;h.weights.forEach(g=>{let b="quantization"in g?g.quantization.dtype:g.dtype,y=fm[b]*dt(g.shape),v=()=>{r[f]=!0,a[f]==null&&(a[f]=[]),a[f].push({manifestEntry:g,groupOffset:m,sizeBytes:y})};s!=null?s.forEach((x,k)=>{x===g.name&&(v(),o[k]=!0)}):v(),i.push(g.name),m+=y})}),!o.every(h=>h)){let h=s.filter((f,m)=>!o[m]);throw new Error(`Could not find weights in manifest with names: ${h.join(", ")}. Manifest JSON has weights with names: ${i.join(", ")}.`)}let u=r.reduce((h,f,m)=>(f&&h.push(m),h),[]),l=[];u.forEach(h=>{t[h].paths.forEach(f=>{let m=n+(n.endsWith("/")?"":"/")+f;l.push(m)})});let c=await e(l),p={},d=0;return u.forEach(h=>{let f=t[h].paths.length,m=0;for(let x=0;x{let k=g.slice(x.groupOffset,x.groupOffset+x.sizeBytes),I=$k(k,[x.manifestEntry]);for(let $ in I)p[$]=I[$]}),d+=f}),p}}var bA="application/octet-stream",yA="application/json",Xg=class{constructor(e,t){if(this.DEFAULT_METHOD="POST",t==null&&(t={}),this.weightPathPrefix=t.weightPathPrefix,this.onProgress=t.onProgress,this.weightUrlConverter=t.weightUrlConverter,t.fetchFunc!=null?(O(typeof t.fetchFunc=="function",()=>"Must pass a function that matches the signature of `fetch` (see https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)"),this.fetch=t.fetchFunc):this.fetch=K().platform.fetch,O(e!=null&&e.length>0,()=>"URL path for http must not be null, undefined or empty."),Array.isArray(e)&&O(e.length===2,()=>`URL paths for http must have a length of 2, (actual length is ${e.length}).`),this.path=e,t.requestInit!=null&&t.requestInit.body!=null)throw new Error("requestInit is expected to have no pre-existing body, but has one.");this.requestInit=t.requestInit||{}}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserHTTPRequest.save() does not support saving model topology in binary formats yet.");let t=Object.assign({method:this.DEFAULT_METHOD},this.requestInit);t.body=new FormData;let n=[{paths:["./model.weights.bin"],weights:e.weightSpecs}],s=_k(e,n);t.body.append("model.json",new Blob([JSON.stringify(s)],{type:yA}),"model.json"),e.weightData!=null&&t.body.append("model.weights.bin",new Blob([e.weightData],{type:bA}),"model.weights.bin");let r=await this.fetch(this.path,t);if(r.ok)return{modelArtifactsInfo:Ll(e),responses:[r]};throw new Error(`BrowserHTTPRequest.save() failed due to HTTP response status ${r.status}.`)}async load(){let e=await this.fetch(this.path,this.requestInit);if(!e.ok)throw new Error(`Request to ${this.path} failed with status code ${e.status}. Please verify this URL points to the model JSON of the model to load.`);let t;try{t=await e.json()}catch(r){let a=`Failed to parse model JSON of response from ${this.path}.`;throw this.path.endsWith(".pb")?a+=" Your path contains a .pb file extension. Support for .pb models have been removed in TensorFlow.js 1.0 in favor of .json models. You can re-convert your Python TensorFlow model using the TensorFlow.js 1.0 conversion scripts or you can convert your.pb models with the 'pb2json'NPM script in the tensorflow/tfjs-converter repository.":a+=" Please make sure the server is serving valid JSON for this request.",new Error(a)}let n=t.modelTopology,s=t.weightsManifest;if(n==null&&s==null)throw new Error(`The JSON from HTTP path ${this.path} contains neither model topology or manifest for weights.`);return Kg(t,r=>this.loadWeights(r))}async loadWeights(e){let t=Array.isArray(this.path)?this.path[1]:this.path,[n,s]=vA(t),r=this.weightPathPrefix||n,a=[];for(let l of e)a.push(...l.weights);let o=[],i=[];for(let l of e)for(let c of l.paths)this.weightUrlConverter!=null?i.push(this.weightUrlConverter(c)):o.push(r+c+s);this.weightUrlConverter&&o.push(...await Promise.all(i));let u=await zk(o,{requestInit:this.requestInit,fetchFunc:this.fetch,onProgress:this.onProgress});return[a,jg(u)]}};Xg.URL_SCHEME_REGEX=/^https?:\/\//;function vA(e){let t=e.lastIndexOf("/"),n=e.lastIndexOf("?"),s=e.substring(0,t),r=n>t?e.substring(n):"";return[s+"/",r]}function vm(e){return e.match(Xg.URL_SCHEME_REGEX)!=null}var Mk=(e,t)=>{if(typeof fetch=="undefined"&&(t==null||t.fetchFunc==null))return null;{let n=!0;if(Array.isArray(e)?n=e.every(s=>vm(s)):n=vm(e),n)return Yg(e,t)}return null};wt.registerSaveRouter(Mk);wt.registerLoadRouter(Mk);function Yg(e,t){return new Xg(e,t)}function xA(e,t){return Yg(e,t)}var Xf=class{constructor(e){this.modelArtifacts=e}load(){return this.modelArtifacts}},Bk=class{constructor(e){this.saveHandler=e}save(e){return this.saveHandler(e)}},wA=class{constructor(e){e.load&&(this.load=()=>Promise.resolve(e.load())),e.save&&(this.save=t=>Promise.resolve(e.save(t)))}};function kA(e,t,n,s){let r=arguments;return new wA(Vk(...r))}function Vk(e,t,n,s){return arguments.length===1?e.modelTopology!=null||e.weightSpecs!=null?new Xf(e):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new Xf({modelTopology:e})):(console.warn("Please call tf.io.fromMemory() with only one argument. The argument should be of type ModelArtifacts. The multi-argument signature of tf.io.fromMemory() has been deprecated and will be removed in a future release."),new Xf({modelTopology:e,weightSpecs:t,weightData:n,trainingConfig:s}))}function SA(e){return new Bk(e)}function IA(e){return new Bk(e)}var CA={};Ee(CA,{confusionMatrix:()=>FA});function NA(e,t,n=!1,s=!1){let r=_(e,"a","matMul"),a=_(t,"b","matMul");[r,a]=xt(r,a);let o={a:r,b:a},i={transposeA:n,transposeB:s};return z.runKernel(Na,o,i)}var We=M({matMul_:NA});function TA(e,t,n=1,s=0){if(t<2)throw new Error(`Error in oneHot: depth must be >=2, but it is ${t}`);let a={indices:_(e,"indices","oneHot","int32")},o={depth:t,onValue:n,offValue:s};return z.runKernel(Di,a,o)}var Cd=M({oneHot_:TA});function Epe(){K().set("PROD",!0)}function Rpe(){K().set("DEBUG",!0)}function Dpe(){K().set("DEPRECATION_WARNINGS_ENABLED",!1),console.warn("TensorFlow.js deprecation warnings have been disabled.")}function Wk(e){K().getBool("DEPRECATION_WARNINGS_ENABLED")&&console.warn(e+" You can disable deprecation warnings with tf.disableDeprecationWarnings().")}g_(Wk);function Fpe(){z.disposeVariables()}function ds(){return z}function xm(){return z.memory()}function Ope(e){return z.profile(e)}function q(e,t){return z.tidy(e,t)}function De(e){Gg(e).forEach(n=>n.dispose())}function qt(e){return z.keep(e)}function Ppe(e){return z.time(e)}function zpe(e){return z.setBackend(e)}function Lpe(){return z.ready()}function Mpe(){return z.backendName}function Bpe(e){z.removeBackend(e)}function Vpe(e){return z.findBackend(e)}function Wpe(e){return z.findBackendFactory(e)}function xp(e,t,n=1){return z.registerBackend(e,t,n)}function $A(){return z.backend}function Upe(e,t){K().setPlatform(e,t)}function _A(e){let n={input:_(e,"input","imag")};return z.runKernel(ip,n)}var wp=M({imag_:_A});function AA(e){let n={x:_(e,"x","neg")};return z.runKernel($i,n)}var vt=M({neg_:AA});function EA(e){let n={input:_(e,"input","real")};return z.runKernel(cp,n)}var Xu=M({real_:EA});function RA(e,t,n){let s=_(e,"x","transpose");if(t==null&&(t=s.shape.map((o,i)=>i).reverse()),O(s.rank===t.length,()=>`Error in transpose: rank of input ${s.rank} must match length of perm ${t}.`),t.forEach(o=>{O(o>=0&&o`All entries in 'perm' must be between 0 and ${s.rank-1} but got ${t}`)}),s.rank<=1)return s.clone();let r={x:s},a={perm:t};return s.dtype==="complex64"?q(()=>{let o=Xu(s),i=wp(s);return o=z.runKernel(Hs,{x:o},a),i=z.runKernel(Hs,{x:i},a),n&&(i=vt(i)),mr(o,i)}):z.runKernel(Hs,r,a)}var Ge=M({transpose_:RA});function DA(e,t,n){let s=_(e,"labels","confusionMatrix"),r=_(t,"predictions","confusionMatrix");O(n==null||n>0&&Number.isInteger(n),()=>`If provided, numClasses must be a positive integer, but got ${n}`),O(s.rank===1,()=>`Expected the rank of labels to be 1, but got ${s.rank}`),O(r.rank===1,()=>`Expected the rank of predictions to be 1, but got ${r.rank}`),O(s.shape[0]===r.shape[0],()=>`Mismatch in the number of examples: ${s.shape[0]} vs. ${r.shape[0]}. Labels and predictions should have the same number of elements.`),O(n>0&&Number.isInteger(n),()=>`numClasses is required to be a positive integer, but got ${n}`);let a=Cd(le(s,"int32"),n),o=Cd(le(r,"int32"),n),i=Ge(a),u=We(i,o);return le(u,"int32")}var FA=M({confusionMatrix_:DA}),Qi={};Ee(Qi,{assertAndGetBroadcastShape:()=>at,getBroadcastDims:()=>Uk,getReductionAxes:()=>_t});function Uk(e,t){let n=e.length,s=[];for(let r=0;r1&&o===1&&s.unshift(a)}return s}function _t(e,t){let n=[];for(let s=0;s1)&&n.unshift(a)}return n}function at(e,t){let n=[],s=Math.max(e.length,t.length);for(let r=0;rWA,fromPixelsAsync:()=>BA,toPixels:()=>VA});function OA(e,t,n){if(ka(e),t!=null&&t.length!==3)throw new Error("tensor3d() requires shape to have three numbers");let s=Rs(e,n);if(s.length!==3&&s.length!==1)throw new Error("tensor3d() requires values to be number[][][] or flat/TypedArray");if(s.length===1&&t==null)throw new Error("tensor3d() requires shape to be provided when `values` are a flat array");return $r(e,t,s,n)}var Ur;function Hk(e,t=3){if(t>4)throw new Error("Cannot construct Tensor with more than 4 channels from pixels.");if(e==null)throw new Error("pixels passed to tf.browser.fromPixels() can not be null");let n=!1,s=!1,r=!1,a=!1,o=!1,i=!1;if(e.data instanceof Uint8Array)n=!0;else if(typeof ImageData!="undefined"&&e instanceof ImageData)s=!0;else if(typeof HTMLVideoElement!="undefined"&&e instanceof HTMLVideoElement)r=!0;else if(typeof HTMLImageElement!="undefined"&&e instanceof HTMLImageElement)a=!0;else if(e.getContext!=null)o=!0;else if(typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap)i=!0;else throw new Error(`pixels passed to tf.browser.fromPixels() must be either an HTMLVideoElement, HTMLImageElement, HTMLCanvasElement, ImageData in browser, or OffscreenCanvas, ImageData in webworker or {data: Uint32Array, width: number, height: number}, but was ${e.constructor.name}`);if(r&&r&&e.readyState<2)throw new Error("The video element has not loaded data yet. Please wait for `loadeddata` event on the