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/**
* @license
* Copyright 2020 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
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this.throwIfDisposed(),mt.depthToSpace(this,t,e)},t.prototype.fft=function(){return this.throwIfDisposed(),mt.spectral.fft(this)},t.prototype.ifft=function(){return this.throwIfDisposed(),mt.spectral.ifft(this)},t.prototype.rfft=function(){return this.throwIfDisposed(),mt.spectral.rfft(this)},t.prototype.irfft=function(){return this.throwIfDisposed(),mt.spectral.irfft(this)},t}();Object.defineProperty(yt,Symbol.hasInstance,{value:function(t){return!!t&&null!=t.dataId&&null!=t.shape&&null!=t.dtype}});var bt,xt,wt,Et,Ct,_t=function(t){function e(e,n,r,o){var i=t.call(this,e.shape,e.dtype,e.dataId,o)||this;return i.trainable=n,i.name=r,i}return a(e,t),e.prototype.assign=function(t){if(t.dtype!==this.dtype)throw new Error("dtype of the new value ("+t.dtype+") and previous value ("+this.dtype+") must match");if(!A(t.shape,this.shape))throw new Error("shape of the new value ("+t.shape+") and previous value ("+this.shape+") must match");vt().disposeTensor(this),this.dataId=t.dataId,vt().incRef(this,null)},e.prototype.dispose=function(){vt().disposeVariable(this),this.isDisposedInternal=!0},e}(yt);Object.defineProperty(_t,Symbol.hasInstance,{value:function(t){return t instanceof yt&&null!=t.assign&&t.assign instanceof Function}}),function(t){t.R0="R0",t.R1="R1",t.R2="R2",t.R3="R3",t.R4="R4",t.R5="R5",t.R6="R6"}(bt||(bt={})),function(t){t.float32="float32",t.int32="int32",t.bool="int32",t.complex64="complex64"}(xt||(xt={})),function(t){t.float32="float32",t.int32="int32",t.bool="bool",t.complex64="complex64"}(wt||(wt={})),function(t){t.float32="float32",t.int32="float32",t.bool="float32",t.complex64="complex64"}(Et||(Et={})),function(t){t.float32="complex64",t.int32="complex64",t.bool="complex64",t.complex64="complex64"}(Ct||(Ct={}));var It={float32:Et,int32:xt,bool:wt,complex64:Ct};function Rt(t,e){if("string"===t||"string"===e){if("string"===t&&"string"===e)return"string";throw new Error("Can not upcast "+t+" with "+e)}return It[t][e]}function St(t){return Rt(t,"int32")}function kt(t,e){if(t.dtype===e.dtype)return[t,e];var n=Rt(t.dtype,e.dtype);return[t.cast(n),e.cast(n)]}function At(t,e){_(t.dtype===e.dtype,(function(){return"The dtypes of the first("+t.dtype+") and second("+e.dtype+") input must match"}))}function Dt(t){var e=[];return function t(e,n,r){if(null!=e)if(e instanceof yt)n.push(e);else if(o=e,Array.isArray(o)||"object"==typeof o){var o,i=e;for(var a in i){var s=i[a];r.has(s)||(r.add(s),t(s,n,r))}}}(t,e,new Set),e}Object.freeze({makeTypesMatch:kt,assertTypesMatch:At,isTensorInList:function(t,e){return e.some((function(e){return e.id===t.id}))},getTensorsInContainer:Dt});var Tt,Ot=function(){function t(){this.registeredVariables={},this.nextTapeNodeId=0,this.numBytes=0,this.numTensors=0,this.numStringTensors=0,this.numDataBuffers=0,this.gradientDepth=0,this.kernelDepth=0,this.scopeStack=[],this.numDataMovesStack=[],this.nextScopeId=0,this.tensorInfo=new WeakMap,this.profiling=!1,this.activeProfile={newBytes:0,newTensors:0,peakBytes:0,kernels:[],result:null}}return t.prototype.dispose=function(){for(var t in this.registeredVariables)this.registeredVariables[t].dispose()},t}(),Nt=function(){function t(t){this.ENV=t,this.registry={},this.registryFactory={},this.pendingBackendInitId=0,this.state=new Ot}return t.prototype.ready=function(){return s(this,void 0,void 0,(function(){var t,e,n;return u(this,(function(r){switch(r.label){case 0:if(null!=this.pendingBackendInit)return[2,this.pendingBackendInit.then((function(){}))];if(null!=this.backendInstance)return[2];t=this.getSortedBackends(),e=0,r.label=1;case 1:return e<t.length?(n=t[e],[4,this.initializeBackend(n).success]):[3,5];case 2:return r.sent()?[4,this.setBackend(n)]:[3,4];case 3:return r.sent(),[2];case 4:return e++,[3,1];case 5:throw new Error("Could not initialize any backends, all backend initializations failed.")}}))}))},Object.defineProperty(t.prototype,"backend",{get:function(){if(null!=this.pendingBackendInit)throw new Error("Backend '"+this.backendName+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");if(null==this.backendInstance){var t=this.initializeBackendsAndReturnBest(),e=t.name;if(t.asyncInit)throw new Error("The highest priority backend '"+e+"' has not yet been initialized. Make sure to await tf.ready() or await tf.setBackend() before calling other methods");this.setBackend(e)}return this.backendInstance},enumerable:!0,configurable:!0}),t.prototype.backendNames=function(){return Object.keys(this.registryFactory)},t.prototype.findBackend=function(t){if(!(t in this.registry)){if(!(t in this.registryFactory))return null;if(this.initializeBackend(t).asyncInit)return null}return this.registry[t]},t.prototype.findBackendFactory=function(t){return t in this.registryFactory?this.registryFactory[t].factory:null},t.prototype.registerBackend=function(t,e,n){return void 0===n&&(n=1),t in this.registryFactory?(console.warn(t+" backend was already registered. Reusing existing backend factory."),!1):(this.registryFactory[t]={factory:e,priority:n},!0)},t.prototype.setBackend=function(t){return s(this,void 0,void 0,(function(){var e,n,r;return u(this,(function(o){switch(o.label){case 0:if(null==this.registryFactory[t])throw new Error("Backend name '"+t+"' not found in registry");return this.backendName=t,null!=this.registry[t]?[3,4]:(this.backendInstance=null,e=this.initializeBackend(t),n=e.success,e.asyncInit?[4,n]:[3,2]);case 1:return r=o.sent(),[3,3];case 2:r=n,o.label=3;case 3:if(!r)return[2,!1];o.label=4;case 4:return this.backendInstance=this.registry[t],this.setupRegisteredKernels(),this.profiler=new ct(this.backendInstance),[2,!0]}}))}))},t.prototype.setupRegisteredKernels=function(){var t=this;m(this.backendName).forEach((function(e){null!=e.setupFunc&&e.setupFunc(t.backendInstance)}))},t.prototype.disposeRegisteredKernels=function(t){var e=this;m(t).forEach((function(n){null!=n.disposeFunc&&n.disposeFunc(e.registry[t])}))},t.prototype.initializeBackend=function(t){var e=this,n=this.registryFactory[t];if(null==n)throw new Error("Cannot initialize backend "+t+", no registration found.");try{var r=n.factory();if(Promise.resolve(r)===r){var o=++this.pendingBackendInitId,i=r.then((function(n){return!(o<e.pendingBackendInitId||(e.registry[t]=n,e.pendingBackendInit=null,0))})).catch((function(n){return!(o<e.pendingBackendInitId||(e.pendingBackendInit=null,console.warn("Initialization of backend "+t+" failed"),console.warn(n.stack||n.message),1))}));return this.pendingBackendInit=i,{success:i,asyncInit:!0}}return this.registry[t]=r,{success:!0,asyncInit:!1}}catch(e){return console.warn("Initialization of backend "+t+" failed"),console.warn(e.stack||e.message),{success:!1,asyncInit:!1}}},t.prototype.removeBackend=function(t){if(!(t in this.registryFactory))throw new Error(t+" backend not found in registry");this.backendName===t&&null!=this.pendingBackendInit&&this.pendingBackendInitId++,t in this.registry&&(this.disposeRegisteredKernels(t),this.registry[t].dispose(),delete this.registry[t]),delete this.registryFactory[t],this.backendName===t&&(this.pendingBackendInit=null,this.backendName=null,this.backendInstance=null)},t.prototype.getSortedBackends=function(){var t=this;if(0===Object.keys(this.registryFactory).length)throw new Error("No backend found in registry.");return Object.keys(this.registryFactory).sort((function(e,n){return t.registryFactory[n].priority-t.registryFactory[e].priority}))},t.prototype.initializeBackendsAndReturnBest=function(){for(var t=this.getSortedBackends(),e=0;e<t.length;e++){var n=t[e],r=this.initializeBackend(n),o=r.success,i=r.asyncInit;if(i||o)return{name:n,asyncInit:i}}throw new Error("Could not initialize any backends, all backend initializations failed.")},t.prototype.moveData=function(t,e){var n=this.state.tensorInfo.get(e),r=n.backend,o=this.readSync(e);r.disposeData(e),n.backend=t,t.move(e,o,n.shape,n.dtype),this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack[this.state.numDataMovesStack.length-1]++},t.prototype.tidy=function(t,e){var n,r=this,o=null;if(null==e){if("function"!=typeof t)throw new Error("Please provide a function to tidy()");e=t}else{if("string"!=typeof t&&!(t instanceof String))throw new Error("When calling with two arguments, the first argument to tidy() must be a string");if("function"!=typeof e)throw new Error("When calling with two arguments, the 2nd argument to tidy() must be a function");o=t}return this.scopedRun((function(){return r.startScope(o)}),(function(){return r.endScope(n)}),(function(){return(n=e())instanceof Promise&&console.error("Cannot return a Promise inside of tidy."),n}))},t.prototype.scopedRun=function(t,e,n){t();try{var r=n();return e(),r}catch(t){throw e(),t}},t.prototype.nextTensorId=function(){return t.nextTensorId++},t.prototype.nextVariableId=function(){return t.nextVariableId++},t.prototype.clone=function(t){var e=this.makeTensorFromDataId(t.dataId,t.shape,t.dtype),n={x:t};return this.addTapeNode(this.state.activeScope.name,n,[e],(function(t){return{x:function(){return t.toFloat()}}}),[]),e},t.prototype.runKernel=function(t,e,n,r,o){return this.runKernelFunc(null,e,null,t,n,r,o)},t.prototype.shouldCheckForMemLeaks=function(){return this.ENV.getBool("IS_TEST")},t.prototype.checkKernelForMemLeak=function(t,e,n){var r=this.backend.numDataIds(),o=0;n.forEach((function(t){o+="complex64"===t.dtype?3:1}));var i=this.state.numDataMovesStack[this.state.numDataMovesStack.length-1],a=r-e-o-i;if(a>0)throw new Error("Backend '"+this.backendName+"' has an internal memory leak ("+a+" data ids) after running '"+t+"'")},t.prototype.runKernelFunc=function(t,e,n,r,o,i,a){var s,u=this;void 0===i&&(i=[]),void 0===a&&(a=[]);var c=[],l=this.isTapeOn();null==r&&(r=null!=this.state.activeScope?this.state.activeScope.name:"");var h,f=function(t){l&&(c=t.map((function(t){return u.keep(u.clone(t))})))},p=this.state.numBytes,d=this.state.numTensors;this.shouldCheckForMemLeaks()&&this.state.numDataMovesStack.push(0);var m,g=v(r,this.backendName);return h=null!=g?function(){var t=u.backend.numDataIds();m=g.kernelFunc({inputs:e,attrs:o,backend:u.backend});var n=Array.isArray(m)?m:[m];u.shouldCheckForMemLeaks()&&u.checkKernelForMemLeak(r,t,n);var s=n.map((function(t){var e=t.dataId,n=t.shape,r=t.dtype;return u.makeTensorFromDataId(e,n,r)})),c=s.filter((function(t,e){return a[e]}));return f((i||[]).slice().concat(c)),s}:function(){var e=u.backend.numDataIds();m=u.tidy((function(){return t(u.backend,f)}));var n=Array.isArray(m)?m:[m];return u.shouldCheckForMemLeaks()&&u.checkKernelForMemLeak(r,e,n),n},this.scopedRun((function(){return u.state.kernelDepth++}),(function(){return u.state.kernelDepth--}),(function(){s=u.ENV.getBool("DEBUG")?u.profiler.profileKernel(r,e,(function(){return h()})):h()})),l&&this.addTapeNode(r,e,s,n,c),this.state.profiling&&this.state.activeProfile.kernels.push({name:r,bytesAdded:this.state.numBytes-p,totalBytesSnapshot:this.state.numBytes,tensorsAdded:this.state.numTensors-d,totalTensorsSnapshot:this.state.numTensors,inputShapes:Object.keys(e).map((function(t){return e[t].shape})),outputShapes:s.map((function(t){return t.shape}))}),Array.isArray(m)?s:s[0]},t.prototype.makeTensor=function(t,e,n,r){if(null==t)throw new Error("Values passed to engine.makeTensor() are null");n=n||"float32",r=r||this.backend;var o=t;"string"===n&&q(t[0])&&(o=t.map((function(t){return it(t)})));var i=r.write(o,e,n),a=new yt(e,n,i,this.nextTensorId());if(this.incRef(a,r),"string"===n){var s=this.state.tensorInfo.get(i),u=H(o);this.state.numBytes+=u-s.bytes,s.bytes=u}return a},t.prototype.makeTensorFromDataId=function(t,e,n,r){var o=new yt(e,n=n||"float32",t,this.nextTensorId());return this.incRef(o,r),o},t.prototype.makeVariable=function(t,e,n,r){void 0===e&&(e=!0),n=n||this.nextVariableId().toString(),null!=r&&r!==t.dtype&&(t=t.asType(r));var o=new _t(t,e,n,this.nextTensorId());if(null!=this.state.registeredVariables[o.name])throw new Error("Variable with name "+o.name+" was already registered");return this.state.registeredVariables[o.name]=o,this.incRef(o,this.backend),o},t.prototype.incRef=function(t,e){var n=this.state.tensorInfo.has(t.dataId)?this.state.tensorInfo.get(t.dataId).refCount:0;if(this.state.numTensors++,"string"===t.dtype&&this.state.numStringTensors++,0===n){this.state.numDataBuffers++;var r=0;"complex64"!==t.dtype&&"string"!==t.dtype&&(r=t.size*G(t.dtype)),this.state.tensorInfo.set(t.dataId,{backend:e||this.backend,dtype:t.dtype,shape:t.shape,bytes:r,refCount:0}),this.state.numBytes+=r}this.state.tensorInfo.get(t.dataId).refCount++,t instanceof _t||this.track(t)},t.prototype.disposeTensor=function(t){if(this.state.tensorInfo.has(t.dataId)){this.state.numTensors--,"string"===t.dtype&&this.state.numStringTensors--;var e=this.state.tensorInfo.get(t.dataId);e.refCount<=1?("complex64"!==t.dtype&&(this.state.numBytes-=e.bytes),this.state.numDataBuffers--,e.backend.disposeData(t.dataId),this.state.tensorInfo.delete(t.dataId)):this.state.tensorInfo.get(t.dataId).refCount--}},t.prototype.disposeVariables=function(){for(var t in this.state.registeredVariables){var e=this.state.registeredVariables[t];this.disposeVariable(e)}},t.prototype.disposeVariable=function(t){this.disposeTensor(t),null!=this.state.registeredVariables[t.name]&&delete this.state.registeredVariables[t.name]},t.prototype.memory=function(){var t=this.backend.memory();return t.numTensors=this.state.numTensors,t.numDataBuffers=this.state.numDataBuffers,t.numBytes=this.state.numBytes,this.state.numStringTensors>0&&(t.unreliable=!0,null==t.reasons&&(t.reasons=[]),t.reasons.push("Memory usage by string tensors is approximate (2 bytes per character)")),t},t.prototype.profile=function(t){return s(this,void 0,void 0,(function(){var e,n;return u(this,(function(r){return this.state.profiling=!0,e=this.state.numBytes,n=this.state.numTensors,this.state.activeProfile.kernels=[],this.state.activeProfile.result=t(),this.state.profiling=!1,this.state.activeProfile.peakBytes=Math.max.apply(Math,this.state.activeProfile.kernels.map((function(t){return t.totalBytesSnapshot}))),this.state.activeProfile.newBytes=this.state.numBytes-e,this.state.activeProfile.newTensors=this.state.numTensors-n,[2,this.state.activeProfile]}))}))},t.prototype.isTapeOn=function(){return this.state.gradientDepth>0&&0===this.state.kernelDepth},t.prototype.addTapeNode=function(t,e,n,r,o){var i=this,a={id:this.state.nextTapeNodeId++,kernelName:t,inputs:e,outputs:n,saved:o},s=function(t){return d.get(t)}(t);null!=s&&(r=s.gradFunc),null!=r&&(a.gradient=function(t){return t=t.map((function(t,e){if(null==t){var r=n[e],o=nt(r.size,r.dtype);return i.makeTensor(o,r.shape,r.dtype)}return t})),r(t.length>1?t:t[0],o)}),this.state.activeTape.push(a)},t.prototype.keep=function(t){return t.kept=!0,t},t.prototype.startTape=function(){0===this.state.gradientDepth&&(this.state.activeTape=[]),this.state.gradientDepth++},t.prototype.endTape=function(){this.state.gradientDepth--},t.prototype.startScope=function(t){var e={track:[],name:"unnamed scope",id:this.state.nextScopeId++};t&&(e.name=t),this.state.scopeStack.push(e),this.state.activeScope=e},t.prototype.endScope=function(t){for(var e=this,n=Dt(t),r=new Set(n.map((function(t){return t.id}))),o=0;o<this.state.activeScope.track.length;o++){var i=this.state.activeScope.track[o];i.kept||r.has(i.id)||i.dispose()}var a=this.state.scopeStack.pop();this.state.activeScope=0===this.state.scopeStack.length?null:this.state.scopeStack[this.state.scopeStack.length-1],n.forEach((function(t){t.kept||t.scopeId!==a.id||e.track(t)}))},t.prototype.gradients=function(t,e,n,r){var o=this;if(void 0===r&&(r=!1),_(e.length>0,(function(){return"gradients() received an empty list of xs."})),null!=n&&"float32"!==n.dtype)throw new Error("dy must have 'float32' dtype, but has '"+n.dtype+"'");var i=this.scopedRun((function(){return o.startTape()}),(function(){return o.endTape()}),(function(){return o.tidy("forward",t)}));_(i instanceof yt,(function(){return"The result y returned by f() must be a tensor."}));var a=function(t,e,n){for(var r={},o={},i=0;i<e.length;i++)r[e[i].id]=!0;for(i=0;i<t.length;i++){var a=(d=t[i]).inputs;for(var s in a){for(var u=a[s],c=!1,l=0;l<e.length;l++)if(r[u.id]){d.outputs.forEach((function(t){return r[t.id]=!0})),c=!0,o[d.id]=!0;break}if(c)break}}var h={};h[n.id]=!0;var f={};for(i=t.length-1;i>=0;i--)for(a=(d=t[i]).inputs,l=0;l<d.outputs.length;l++)if(h[d.outputs[l].id]){for(var s in a)h[a[s].id]=!0,f[d.id]=!0;break}var p=[];for(i=0;i<t.length;i++){var d;if(o[(d=t[i]).id]&&f[d.id]){var v={};for(var s in d.inputs){var m=d.inputs[s];r[m.id]&&(v[s]=m)}var g=Object.assign({},d);g.inputs=v,g.outputs=d.outputs,p.push(g)}}return p}(this.state.activeTape,e,i);if(!r&&0===a.length&&e.length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that the f you passed encloses all operations that lead from x to y.");return this.tidy("backward",(function(){var t,r,s={};s[i.id]=null==n?(r=et(k(t=i.shape),"float32"),Ft.makeTensor(r,t,"float32")):n,function(t,e,n){for(var r=function(r){var o=e[r],i=[];if(o.outputs.forEach((function(e){var n=t[e.id];null!=n?i.push(n):i.push(null)})),null==o.gradient)throw new Error("Cannot compute gradient: gradient function not found for "+o.kernelName+".");var a=o.gradient(i),s=function(e){if(!(e in a))throw new Error("Cannot backprop through input "+e+". Available gradients found: "+Object.keys(a)+".");var r=n((function(){return a[e]()}));if("float32"!==r.dtype)throw new Error("Error in gradient for op "+o.kernelName+". The gradient of input "+e+" must have 'float32' dtype, but has '"+r.dtype+"'");var i=o.inputs[e];if(!A(r.shape,i.shape))throw new Error("Error in gradient for op "+o.kernelName+". The gradient of input '"+e+"' has shape '"+r.shape+"', which does not match the shape of the input '"+i.shape+"'");if(null==t[i.id])t[i.id]=r;else{var s=t[i.id];t[i.id]=s.add(r),s.dispose()}};for(var u in o.inputs)s(u)},o=e.length-1;o>=0;o--)r(o)}(s,a,(function(t){return o.tidy(t)}));var u=e.map((function(t){return s[t.id]}));return 0===o.state.gradientDepth&&(o.state.activeTape.forEach((function(t){for(var e=0,n=t.saved;e<n.length;e++)n[e].dispose()})),o.state.activeTape=null),{value:i,grads:u}}))},t.prototype.customGrad=function(t){var e=this;return _($(t),(function(){return"The f passed in customGrad(f) must be a function."})),function(){for(var n,r=[],o=0;o<arguments.length;o++)r[o]=arguments[o];_(r.every((function(t){return t instanceof yt})),(function(){return"The args passed in customGrad(f)(x1, x2,...) must all be tensors"}));var i={};return r.forEach((function(t,e){i[e]=t})),e.runKernelFunc((function(e,o){return _((n=t.apply(void 0,r.concat([o]))).value instanceof yt,(function(){return"The function f passed in customGrad(f) must return an object where `obj.value` is a tensor"})),_($(n.gradFunc),(function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function."})),n.value}),i,(function(t,e){var o=n.gradFunc(t,e),i=Array.isArray(o)?o:[o];_(i.length===r.length,(function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns the same number of tensors as inputs passed to f(...)."})),_(i.every((function(t){return t instanceof yt})),(function(){return"The function f passed in customGrad(f) must return an object where `obj.gradFunc` is a function that returns a list of only tensors."}));var a={};return i.forEach((function(t,e){a[e]=function(){return t}})),a}))}},t.prototype.readSync=function(t){return this.state.tensorInfo.get(t).backend.readSync(t)},t.prototype.read=function(t){return this.state.tensorInfo.get(t).backend.read(t)},t.prototype.time=function(t){return s(this,void 0,void 0,(function(){var e,n;return u(this,(function(r){switch(r.label){case 0:return e=rt(),[4,this.backend.time(t)];case 1:return(n=r.sent()).wallMs=rt()-e,[2,n]}}))}))},t.prototype.track=function(t){return null!=this.state.activeScope&&(t.scopeId=this.state.activeScope.id,this.state.activeScope.track.push(t)),t},Object.defineProperty(t.prototype,"registeredVariables",{get:function(){return this.state.registeredVariables},enumerable:!0,configurable:!0}),t.prototype.reset=function(){for(var t in this.pendingBackendInitId++,this.state.dispose(),this.ENV.reset(),this.state=new Ot,this.registry)this.disposeRegisteredKernels(t),this.registry[t].dispose(),delete this.registry[t];this.backendName=null,this.backendInstance=null,this.pendingBackendInit=null},t.nextTensorId=0,t.nextVariableId=0,t}(),Ft=function(){var e=function(){if(null==Tt){var e=void 0;if("undefined"!=typeof window)e=window;else if(void 0!==t)e=t;else if(void 0!==r)e=r;else{if("undefined"==typeof self)throw new Error("Could not find a global object");e=self}Tt=e}return Tt}();if(null==e._tfengine){var n=new c(e);e._tfengine=new Nt(n)}return function(t){f=t}(e._tfengine.ENV),vt=function(){return e._tfengine},e._tfengine}();function Pt(){return"undefined"!=typeof window&&null!=window.document||"undefined"!=typeof WorkerGlobalScope}var Mt=h();Mt.registerFlag("DEBUG",(function(){return!1}),(function(t){t&&console.warn("Debugging mode is ON. 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e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1),r=t.shapeInfo.texShape,o=[Math.ceil(r[0]/2),Math.ceil(r[1]/2)],i=wo();return"\n vec4 "+n+"(int index) {\n vec2 uv = packedUVfrom1D(\n "+o[0]+", "+o[1]+", index);\n return "+i.texture2D+"("+e+", uv);\n }\n "}(e);case 2:return function(t){var e=t.shapeInfo.logicalShape,n=t.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),o=t.shapeInfo.texShape,i=o[0],a=o[1],s=wo();if(null!=o&&A(e,o))return"\n vec4 "+r+"(int row, int col) {\n vec2 uv = (vec2(col, row) + halfCR) / vec2("+a+".0, "+i+".0);\n\n return "+s.texture2D+"("+n+", uv);\n }\n ";var u=[Math.ceil(o[0]/2),Math.ceil(o[1]/2)];return"\n vec4 "+r+"(int row, int col) {\n vec2 uv = packedUVfrom2D("+Math.ceil(e[1]/2)+", "+u[0]+", "+u[1]+", row, col);\n return "+s.texture2D+"("+n+", uv);\n }\n "}(e);case 3:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=e.shapeInfo.texShape,a=[Math.ceil(i[0]/2),Math.ceil(i[1]/2)];if(1===n[0]){var s=No(e,n.slice(1));return"\n "+t(s)+"\n vec4 "+o+"(int b, int row, int col) {\n return "+o+"("+Fo(["b","row","col"],[1,2])+");\n }\n "}var u=a[0],c=a[1],l=Math.ceil(n[2]/2);return"\n vec4 "+o+"(int b, int row, int col) {\n vec2 uv = packedUVfrom3D(\n "+u+", "+c+", "+l*Math.ceil(n[1]/2)+", "+l+", b, row, col);\n return "+wo().texture2D+"("+r+", uv);\n }\n "}(e);default:return function(t){for(var e=t.shapeInfo.logicalShape,n=e.length,r=t.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=t.shapeInfo.texShape,a=[Math.ceil(i[0]/2),Math.ceil(i[1]/2)],s=a[0],u=a[1],c=Math.ceil(e[n-1]/2),l=c*Math.ceil(e[n-2]/2),h="int b, int row, int col",f="b * "+l+" + (row / 2) * "+c+" + (col / 2)",p=2;p<n-1;p++)h="int b"+p+", "+h,f="b"+p+" * "+(l*=e[n-p-1])+" + "+f;return"\n vec4 "+o+"("+h+") {\n int index = "+f+";\n int texR = index / "+u+";\n int texC = index - texR * "+u+";\n vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+u+", "+s+");\n return "+wo().texture2D+"("+r+", uv);\n }\n "}(e)}}(t):function t(e){var n=e.shapeInfo.logicalShape;switch(n.length){case 0:return function(t){var e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return"float "+n+"() {return "+e+";}";var r=t.shapeInfo.texShape,o=r[0],i=r[1];if(1===o&&1===i)return"\n float "+n+"() {\n return sampleTexture("+e+", halfCR);\n }\n ";var a=t.shapeInfo.texShape;return"\n float "+n+"() {\n vec2 uv = uvFromFlat("+a[0]+", "+a[1]+", "+Do(e)+");\n return sampleTexture("+e+", uv);\n }\n "}(e);case 1:return function(t){var e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return"\n float "+n+"(int index) {\n "+To(t)+"\n }\n ";var r=t.shapeInfo.texShape,o=r[0],i=r[1];if(1===i&&1===o)return"\n float "+n+"(int index) {\n return sampleTexture("+e+", halfCR);\n }\n ";var a=Do(e);return 1===i?"\n float "+n+"(int index) {\n vec2 uv = vec2(0.5, (float(index + "+a+") + 0.5) / "+o+".0);\n return sampleTexture("+e+", uv);\n }\n ":1===o?"\n float "+n+"(int index) {\n vec2 uv = vec2((float(index + "+a+") + 0.5) / "+i+".0, 0.5);\n return sampleTexture("+e+", uv);\n }\n ":"\n float "+n+"(int index) {\n vec2 uv = uvFromFlat("+o+", "+i+", index + "+a+");\n return sampleTexture("+e+", uv);\n }\n "}(e);case 2:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=e.shapeInfo.texShape;if(null!=i&&A(n,i)){var a=i[0];return"\n float "+o+"(int row, int col) {\n vec2 uv = (vec2(col, row) + halfCR) / vec2("+i[1]+".0, "+a+".0);\n return sampleTexture("+r+", uv);\n }\n "}var s=B(n),u=s.newShape,c=s.keptDims,l=u;if(l.length<n.length){var h=No(e,l);return"\n "+t(h)+"\n float "+o+"(int row, int col) {\n return "+o+"("+Fo(["row","col"],c)+");\n }\n "}if(e.shapeInfo.isUniform)return"\n float "+o+"(int row, int col) {\n int index = round(dot(vec2(row, col), vec2("+n[1]+", 1)));\n "+To(e)+"\n }\n ";var f=i[0],p=i[1],d=Do(r);return 1===p?"\n float "+o+"(int row, int col) {\n float index = dot(vec3(row, col, "+d+"), vec3("+n[1]+", 1, 1));\n vec2 uv = vec2(0.5, (index + 0.5) / "+f+".0);\n return sampleTexture("+r+", uv);\n }\n ":1===f?"\n float "+o+"(int row, int col) {\n float index = dot(vec3(row, col, "+d+"), vec3("+n[1]+", 1, 1));\n vec2 uv = vec2((index + 0.5) / "+p+".0, 0.5);\n return sampleTexture("+r+", uv);\n }\n ":"\n float "+o+"(int row, int col) {\n // Explicitly use integer operations as dot() only works on floats.\n int index = row * "+n[1]+" + col + "+d+";\n vec2 uv = uvFromFlat("+f+", "+p+", index);\n return sampleTexture("+r+", uv);\n }\n"}(e);case 3:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=n[1]*n[2],a=n[2],s=B(n),u=s.newShape,c=s.keptDims,l=u;if(l.length<n.length){var h=No(e,l);return"\n "+t(h)+"\n float "+o+"(int row, int col, int depth) {\n return "+o+"("+Fo(["row","col","depth"],c)+");\n }\n "}if(e.shapeInfo.isUniform)return"\n float "+o+"(int row, int col, int depth) {\n int index = round(dot(vec3(row, col, depth),\n vec3("+i+", "+a+", 1)));\n "+To(e)+"\n }\n ";var f=e.shapeInfo.texShape,p=f[0],d=f[1],v=e.shapeInfo.flatOffset;return d===i&&null==v?"\n float "+o+"(int row, int col, int depth) {\n float texR = float(row);\n float texC = dot(vec2(col, depth), vec2("+a+", 1));\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+d+".0, "+p+".0);\n return sampleTexture("+r+", uv);\n }\n ":d===a&&null==v?"\n float "+o+"(int row, int col, int depth) {\n float texR = dot(vec2(row, col), vec2("+n[1]+", 1));\n float texC = float(depth);\n vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+d+".0, "+p+".0);\n return sampleTexture("+r+", uv);\n }\n ":"\n float "+o+"(int row, int col, int depth) {\n // Explicitly use integer operations as dot() only works on floats.\n int index = row * "+i+" + col * "+a+" + depth + "+Do(r)+";\n vec2 uv = uvFromFlat("+p+", "+d+", index);\n return sampleTexture("+r+", uv);\n }\n "}(e);case 4:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=n[3],a=n[2]*i,s=n[1]*a,u=B(n),c=u.newShape,l=u.keptDims;if(c.length<n.length){var h=No(e,c);return"\n "+t(h)+"\n float "+o+"(int row, int col, int depth, int depth2) {\n return "+o+"("+Fo(["row","col","depth","depth2"],l)+");\n }\n "}if(e.shapeInfo.isUniform)return"\n float "+o+"(int row, int col, int depth, int depth2) {\n int index = round(dot(vec4(row, col, depth, depth2),\n vec4("+s+", "+a+", "+i+", 1)));\n "+To(e)+"\n }\n ";var f=e.shapeInfo.flatOffset,p=e.shapeInfo.texShape,d=p[0],v=p[1];return v===s&&null==f?"\n float "+o+"(int row, int col, int depth, int depth2) {\n float texR = float(row);\n float texC =\n dot(vec3(col, depth, depth2),\n vec3("+a+", "+i+", 1));\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+v+".0, "+d+".0);\n return sampleTexture("+r+", uv);\n }\n ":v===i&&null==f?"\n float "+o+"(int row, int col, int depth, int depth2) {\n float texR = dot(vec3(row, col, depth),\n vec3("+n[1]*n[2]+", "+n[2]+", 1));\n float texC = float(depth2);\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+v+".0, "+d+".0);\n return sampleTexture("+r+", uv);\n }\n ":"\n float "+o+"(int row, int col, int depth, int depth2) {\n // Explicitly use integer operations as dot() only works on floats.\n int index = row * "+s+" + col * "+a+" +\n depth * "+i+" + depth2;\n vec2 uv = uvFromFlat("+d+", "+v+", index + "+Do(r)+");\n return sampleTexture("+r+", uv);\n }\n "}(e);case 5:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=n[4],a=n[3]*i,s=n[2]*a,u=n[1]*s,c=B(n),l=c.newShape,h=c.keptDims;if(l.length<n.length){var f=No(e,l);return"\n "+t(f)+"\n float "+o+"(int row, int col, int depth, int depth2, int depth3) {\n return "+o+"("+Fo(["row","col","depth","depth2","depth3"],h)+");\n }\n "}if(e.shapeInfo.isUniform)return"\n float "+o+"(int row, int col, int depth, int depth2, int depth3) {\n float index = dot(\n vec4(row, col, depth, depth2),\n vec4("+u+", "+s+", "+a+", "+i+")) +\n depth3;\n "+To(e)+"\n }\n ";var p=e.shapeInfo.flatOffset,d=e.shapeInfo.texShape,v=d[0],m=d[1];return m===u&&null==p?"\n float "+o+"(int row, int col, int depth, int depth2, int depth3) {\n int texR = row;\n float texC = dot(vec4(col, depth, depth2, depth3),\n vec4("+s+", "+a+", "+i+", 1));\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+m+".0, "+v+".0);\n return sampleTexture("+r+", uv);\n }\n ":m===i&&null==p?"\n float "+o+"(int row, int col, int depth, int depth2, int depth3) {\n float texR = dot(\n vec4(row, col, depth, depth2),\n vec4("+n[1]*n[2]*n[3]+",\n "+n[2]*n[3]+", "+n[3]+", 1));\n int texC = depth3;\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+m+".0, "+v+".0);\n return sampleTexture("+r+", uv);\n }\n ":"\n float "+o+"(int row, int col, int depth, int depth2, int depth3) {\n // Explicitly use integer operations as dot() only works on floats.\n int index = row * "+u+" + col * "+s+" + depth * "+a+" +\n depth2 * "+i+" + depth3 + "+Do(r)+";\n vec2 uv = uvFromFlat("+v+", "+m+", index);\n return sampleTexture("+r+", uv);\n }\n "}(e);case 6:return function(e){var n=e.shapeInfo.logicalShape,r=e.name,o="get"+r.charAt(0).toUpperCase()+r.slice(1),i=B(n),a=i.newShape,s=i.keptDims;if(a.length<n.length){var u=No(e,a);return"\n "+t(u)+"\n float "+o+"(int row, int col, int depth,\n int depth2, int depth3, int depth4) {\n return "+o+"("+Fo(["row","col","depth","depth2","depth3","depth4"],s)+");\n }\n "}var c=n[5],l=n[4]*c,h=n[3]*l,f=n[2]*h,p=n[1]*f;if(e.shapeInfo.isUniform)return"\n float "+o+"(int row, int col, int depth,\n int depth2, int depth3, int depth4) {\n int index = round(dot(\n vec4(row, col, depth, depth2),\n vec4("+p+", "+f+", "+h+", "+l+")) +\n dot(\n vec2(depth3, depth4),\n vec2("+c+", 1)));\n "+To(e)+"\n }\n ";var d=e.shapeInfo.flatOffset,v=e.shapeInfo.texShape,m=v[0],g=v[1];return g===p&&null==d?"\n float "+o+"(int row, int col, int depth,\n int depth2, int depth3, int depth4) {\n int texR = row;\n float texC = dot(vec4(col, depth, depth2, depth3),\n vec4("+f+", "+h+", "+l+", "+c+")) +\n float(depth4);\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+g+".0, "+m+".0);\n return sampleTexture("+r+", uv);\n }\n ":g===c&&null==d?"\n float "+o+"(int row, int col, int depth,\n int depth2, int depth3, int depth4) {\n float texR = dot(vec4(row, col, depth, depth2),\n vec4("+n[1]*n[2]*n[3]*n[4]+",\n "+n[2]*n[3]*n[4]+",\n "+n[3]*n[4]+",\n "+n[4]+")) + float(depth3);\n int texC = depth4;\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2("+g+".0, "+m+".0);\n return sampleTexture("+r+", uv);\n }\n ":"\n float "+o+"(int row, int col, int depth,\n int depth2, int depth3, int depth4) {\n // Explicitly use integer operations as dot() only works on floats.\n int index = row * "+p+" + col * "+f+" + depth * "+h+" +\n depth2 * "+l+" + depth3 * "+c+" + depth4 + "+Do(r)+";\n vec2 uv = uvFromFlat("+m+", "+g+", index);\n return sampleTexture("+r+", uv);\n }\n "}(e);default:throw new Error(n.length+"-D input sampling is not yet supported")}}(t);var o=t.shapeInfo.logicalShape,i=e.logicalShape;return o.length<=i.length&&(r+=n?function(t,e){var n,r=t.name,o=r.charAt(0).toUpperCase()+r.slice(1),i="get"+o+"AtOutCoords",a=t.shapeInfo.logicalShape.length,s=e.logicalShape.length,u=Pr(t.shapeInfo.logicalShape,e.logicalShape),c=Oo(s),l=s-a,h=["x","y","z","w","u","v"];n=0===a?"":s<2&&u.length>=1?"coords = 0;":u.map((function(t){return"coords."+h[t+l]+" = 0;"})).join("\n");var f;f=s<2&&a>0?"coords":t.shapeInfo.logicalShape.map((function(t,e){return"coords."+h[e+l]})).join(", ");var p="return outputValue;",d=1===k(t.shapeInfo.logicalShape),v=1===k(e.logicalShape);if(1!==a||d||v){if(d&&!v)p=1===s?"\n return vec4(outputValue.x, outputValue.x, 0., 0.);\n ":"\n return vec4(outputValue.x);\n ";else if(u.length){var m=a-2,g=a-1;u.indexOf(m)>-1&&u.indexOf(g)>-1?p="return vec4(outputValue.x);":u.indexOf(m)>-1?p="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":u.indexOf(g)>-1&&(p="return vec4(outputValue.xx, outputValue.zz);")}}else p="\n return vec4(outputValue.xy, outputValue.xy);\n ";return"\n vec4 "+i+"() {\n "+c+" coords = getOutputCoords();\n "+n+"\n vec4 outputValue = get"+o+"("+f+");\n "+p+"\n }\n "}(t,e):function(t,e){var n=t.name,r=n.charAt(0).toUpperCase()+n.slice(1),o="get"+r+"AtOutCoords",i=e.texShape,a=t.shapeInfo.texShape,s=t.shapeInfo.logicalShape.length,u=e.logicalShape.length;if(!t.shapeInfo.isUniform&&s===u&&null==t.shapeInfo.flatOffset&&A(a,i))return"\n float "+o+"() {\n return sampleTexture("+n+", resultUV);\n }\n ";var c=Oo(u),l=Pr(t.shapeInfo.logicalShape,e.logicalShape),h=u-s,f=["x","y","z","w","u","v"];return"\n float "+o+"() {\n "+c+" coords = getOutputCoords();\n "+(0===s?"":u<2&&l.length>=1?"coords = 0;":l.map((function(t){return"coords."+f[t+h]+" = 0;"})).join("\n"))+"\n return get"+r+"("+(u<2&&s>0?"coords":t.shapeInfo.logicalShape.map((function(t,e){return"coords."+f[e+h]})).join(", "))+");\n }\n "}(t,e)),r}(t,e,r)})).join("\n"),c=e.texShape,l=wo(),h=function(t){return"\n float sampleTexture(sampler2D textureSampler, vec2 uv) {\n return "+t.texture2D+"(textureSampler, uv).r;\n }\n "}(l),f=function(t){return t.version+"\n precision highp float;\n precision highp int;\n precision highp sampler2D;\n "+t.varyingFs+" vec2 resultUV;\n "+t.defineOutput+"\n const vec2 halfCR = vec2(0.5, 0.5);\n\n struct ivec5\n {\n int x;\n int y;\n int z;\n int w;\n int u;\n };\n\n struct ivec6\n {\n int x;\n int y;\n int z;\n int w;\n int u;\n int v;\n };\n\n uniform float NAN;\n "+t.defineSpecialNaN+"\n "+t.defineSpecialInf+"\n "+t.defineRound+"\n\n int imod(int x, int y) {\n return x - y * (x / y);\n }\n\n int idiv(int a, int b, float sign) {\n int res = a / b;\n int mod = imod(a, b);\n if (sign < 0. && mod != 0) {\n res -= 1;\n }\n return res;\n }\n\n //Based on the work of Dave Hoskins\n //https://www.shadertoy.com/view/4djSRW\n #define HASHSCALE1 443.8975\n float random(float seed){\n vec2 p = resultUV * seed;\n vec3 p3 = fract(vec3(p.xyx) * HASHSCALE1);\n p3 += dot(p3, p3.yzx + 19.19);\n return fract((p3.x + p3.y) * p3.z);\n }\n\n "+Ro+"\n "+So+"\n "+ko+"\n "}(l);return e.isPacked?(i=function(t,e){switch(t.length){case 0:return"\n int getOutputCoords() {\n return 0;\n }\n ";case 1:return function(t,e){var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];return 1===n[0]?"\n int getOutputCoords() {\n return 2 * int(resultUV.x * "+n[1]+".0);\n }\n ":1===n[1]?"\n int getOutputCoords() {\n return 2 * int(resultUV.y * "+n[0]+".0);\n }\n ":"\n int getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+n[0]+", "+n[1]+"));\n return 2 * (resTexRC.x * "+n[1]+" + resTexRC.y);\n }\n "}(0,e);case 2:return function(t,e){var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];if(A(t,e))return"\n ivec2 getOutputCoords() {\n return 2 * ivec2(resultUV.yx * vec2("+n[0]+", "+n[1]+"));\n }\n ";var r=Math.ceil(t[1]/2);return"\n ivec2 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+n[0]+", "+n[1]+"));\n\n int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n int r = 2 * (index / "+r+");\n int c = imod(index, "+r+") * 2;\n\n return ivec2(r, c);\n }\n "}(t,e);case 3:return n=t,r=e,o=[Math.ceil(r[0]/2),Math.ceil(r[1]/2)],a=(i=Math.ceil(n[2]/2))*Math.ceil(n[1]/2),"\n ivec3 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+o[0]+", "+o[1]+"));\n int index = resTexRC.x * "+o[1]+" + resTexRC.y;\n\n int b = index / "+a+";\n index -= b * "+a+";\n\n int r = 2 * (index / "+i+");\n int c = imod(index, "+i+") * 2;\n\n return ivec3(b, r, c);\n }\n ";default:return function(t,e){for(var n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],r=Math.ceil(t[t.length-1]/2),o=r*Math.ceil(t[t.length-2]/2),i=o,a="",s="b, r, c",u=2;u<t.length-1;u++)a="\n int b"+u+" = index / "+(i*=t[t.length-u-1])+";\n index -= b"+u+" * "+i+";\n "+a,s="b"+u+", "+s;return"\n ivec"+t.length+" getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+n[0]+", "+n[1]+"));\n int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n\n "+a+"\n\n int b = index / "+o+";\n index -= b * "+o+";\n\n int r = 2 * (index / "+r+");\n int c = imod(index, "+r+") * 2;\n\n return ivec"+t.length+"("+s+");\n }\n "}(t,e)}var n,r,o,i,a}(e.logicalShape,c),a=function(t){return"\n void setOutput(vec4 val) {\n "+t.output+" = val;\n }\n "}(l)):(i=function(t,e){switch(t.length){case 0:return"\n int getOutputCoords() {\n return 0;\n }\n ";case 1:return function(t,e){return 1===e[0]?"\n int getOutputCoords() {\n return int(resultUV.x * "+e[1]+".0);\n }\n ":1===e[1]?"\n int getOutputCoords() {\n return int(resultUV.y * "+e[0]+".0);\n }\n ":"\n int getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n return resTexRC.x * "+e[1]+" + resTexRC.y;\n }\n "}(0,e);case 2:return function(t,e){return A(t,e)?"\n ivec2 getOutputCoords() {\n return ivec2(resultUV.yx * vec2("+e[0]+", "+e[1]+"));\n }\n ":1===t[1]?"\n ivec2 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n return ivec2(index, 0);\n }\n ":1===t[0]?"\n ivec2 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n return ivec2(0, index);\n }\n ":"\n ivec2 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n int r = index / "+t[1]+";\n int c = index - r * "+t[1]+";\n return ivec2(r, c);\n }\n "}(t,e);case 3:return n=e,r=Eo(["r","c","d"],t),"\n ivec3 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+n[0]+", "+n[1]+"));\n int index = resTexRC.x * "+n[1]+" + resTexRC.y;\n "+r+"\n return ivec3(r, c, d);\n }\n ";case 4:return function(t,e){var n=Eo(["r","c","d","d2"],t);return"\n ivec4 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n "+n+"\n return ivec4(r, c, d, d2);\n }\n "}(t,e);case 5:return function(t,e){var n=Eo(["r","c","d","d2","d3"],t);return"\n ivec5 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx * vec2("+e[0]+",\n "+e[1]+"));\n\n int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n\n "+n+"\n\n ivec5 outShape = ivec5(r, c, d, d2, d3);\n return outShape;\n }\n "}(t,e);case 6:return function(t,e){var n=Eo(["r","c","d","d2","d3","d4"],t);return"\n ivec6 getOutputCoords() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = resTexRC.x * "+e[1]+" + resTexRC.y;\n\n "+n+"\n\n ivec6 result = ivec6(r, c, d, d2, d3, d4);\n return result;\n }\n "}(t,e);default:throw new Error(t.length+"-D output sampling is not yet supported")}var n,r}(e.logicalShape,c),a=function(t){return"\n void setOutput(float val) {\n "+t.output+" = vec4(val, 0, 0, 0);\n }\n "}(l)),r&&(f+=Ao),[f,h,a,s,i,u,n].join("\n")}var Ro="\nvec2 uvFromFlat(int texNumR, int texNumC, int index) {\n int texR = index / texNumC;\n int texC = index - texR * texNumC;\n return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\nvec2 packedUVfrom1D(int texNumR, int texNumC, int index) {\n int texelIndex = index / 2;\n int texR = texelIndex / texNumC;\n int texC = texelIndex - texR * texNumC;\n return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",So="\nvec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,\n int texNumC, int row, int col) {\n int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);\n int texR = texelIndex / texNumC;\n int texC = texelIndex - texR * texNumC;\n return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",ko="\nvec2 packedUVfrom3D(int texNumR, int texNumC,\n int texelsInBatch, int texelsInLogicalRow, int b,\n int row, int col) {\n int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);\n int texR = index / texNumC;\n int texC = index - texR * texNumC;\n return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",Ao="\n float getChannel(vec4 frag, vec2 innerDims) {\n vec2 modCoord = mod(innerDims, 2.);\n return modCoord.x == 0. ?\n (modCoord.y == 0. ? frag.r : frag.g) :\n (modCoord.y == 0. ? frag.b : frag.a);\n }\n float getChannel(vec4 frag, int dim) {\n float modCoord = mod(float(dim), 2.);\n return modCoord == 0. ? frag.r : frag.g;\n }\n";function Do(t){return"offset"+t}function To(t){var e=t.name,n=k(t.shapeInfo.logicalShape);return n<2?"return "+e+";":"\n for (int i = 0; i < "+n+"; i++) {\n if (i == index) {\n return "+e+"[i];\n }\n }\n "}function Oo(t){if(t<=1)return"int";if(2===t)return"ivec2";if(3===t)return"ivec3";if(4===t)return"ivec4";if(5===t)return"ivec5";if(6===t)return"ivec6";throw Error("GPU for rank "+t+" is not yet supported")}function No(t,e){var n=JSON.parse(JSON.stringify(t));return n.shapeInfo.logicalShape=e,n}function Fo(t,e){return e.map((function(e){return t[e]})).join(", ")}var Po=function(t,e,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,_(t.length>2,(function(){return"Packed arg"+(n.charAt(0).toUpperCase()+n.slice(1))+" supports only inputs with rank above 2."}));var o=t[t.length-1],i=Math.ceil(o/e);this.outputShape=t.slice(0,-1),i>1&&this.outputShape.push(i),r||this.variableNames.push("bestIndicesA");var a,s,u=this.outputShape,c=u.length,l=Oo(c),h=xo("coords",c);if(1===i){var f=Oo(s=c+1);a="\n "+f+" sourceLocR = "+f+"("+h.join()+", 0);\n ++"+h[c-1]+";\n "+f+" sourceLocG = "+f+"("+h.join()+", 0);\n ++"+h[c-2]+";\n "+f+" sourceLocA = "+f+"("+h.join()+", 0);\n --"+h[c-1]+";\n "+f+" sourceLocB = "+f+"("+h.join()+", 0);\n --"+h[c-2]+";"}else s=c,a="\n "+l+" sourceLocR = coords;\n ++"+h[c-1]+";\n "+l+" sourceLocG = coords;\n ++"+h[c-2]+";\n "+l+" sourceLocA = coords;\n --"+h[c-1]+";\n "+l+" sourceLocB = coords;\n --"+h[c-2]+";";var p=["x","y","z","w","u","v"].slice(0,s),d="."+p[s-1],v=p.map((function(t){return"int "+t})),m=xo("sourceLocR",s-1).concat("inIdx.r"),g=xo("sourceLocG",s-1).concat("inIdx.g"),y=xo("sourceLocB",s-1).concat("inIdx.b"),b=xo("sourceLocA",s-1).concat("inIdx.a"),x="max"===n?"greaterThan":"lessThan",w=r?"":"\n inIdx = round(vec4(getBestIndicesAChannel("+m.join()+"),\n getBestIndicesAChannel("+g.join()+"),\n getBestIndicesAChannel("+y.join()+"),\n getBestIndicesAChannel("+b.join()+")));",E="vec4(\n getAChannel("+m.join()+"),\n hasNextCol ? getAChannel("+g.join()+") : 0.,\n hasNextRow ? getAChannel("+y.join()+") : 0.,\n hasNextRow && hasNextCol ? getAChannel("+b.join()+") : 0.)",C=r?"":"\n float getBestIndicesAChannel("+v.join()+") {\n return getChannel(getBestIndicesA("+p.join()+"),\n vec2("+p.slice(-2).join()+"));\n }";this.userCode="\n float getAChannel("+v.join()+") {\n return getChannel(getA("+p.join()+"),\n vec2("+p.slice(-2).join()+"));\n }\n "+C+"\n void main() {\n "+l+" coords = getOutputCoords();\n bool hasNextCol = "+h[c-1]+" < "+(u[c-1]-1)+";\n bool hasNextRow = "+h[c-2]+" < "+(u[c-2]-1)+";\n "+a+"\n ivec4 srcIdx = ivec4(sourceLocR"+d+", sourceLocG"+d+",\n sourceLocB"+d+", sourceLocA"+d+") * "+e+";\n ivec4 inIdx = srcIdx;\n vec4 bestIndex = vec4(inIdx);\n vec4 bestValue = "+E+";\n\n for (int i = 0; i < "+e+"; i++) {\n inIdx = srcIdx;\n "+w+"\n vec4 candidate = "+E+";\n bvec4 nan = isnan(candidate);\n bvec4 replace = bvec4(\n vec4("+x+"(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));\n\n bestValue = vec4(replace.x ? candidate.x : bestValue.x,\n replace.y ? candidate.y : bestValue.y,\n replace.z ? candidate.z : bestValue.z,\n replace.w ? candidate.w : bestValue.w);\n bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));\n srcIdx++;\n }\n setOutput(bestIndex);\n }\n "},Mo=function(t){this.variableNames=["dy"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,o=t.strideWidth,i=t.dilationHeight,a=t.dilationWidth,s=t.effectiveFilterHeight,u=t.effectiveFilterWidth,c=s-1-t.padInfo.top,l=u-1-t.padInfo.left,h=1/(e*n);this.userCode="\n const ivec2 pads = ivec2("+c+", "+l+");\n const float avgMultiplier = float("+h+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n\n ivec2 dyRCCorner = coords.yz - pads;\n int dyRCorner = dyRCCorner.x;\n int dyCCorner = dyRCCorner.y;\n\n // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n for (int wR = 0; wR < "+s+";\n wR += "+i+") {\n float dyR = float(dyRCorner + wR) / "+r+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n for (int wC = 0; wC < "+u+";\n wC+= "+a+") {\n float dyC = float(dyCCorner + wC) / "+o+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n float dyValue = getDy(b, idyR, idyC, d);\n\n dotProd += dyValue * avgMultiplier;\n }\n }\n setOutput(dotProd);\n }\n "},Bo=function(t){this.variableNames=["dy"],this.outputShape=t.inShape;var e=t.filterDepth,n=t.filterHeight,r=t.filterWidth,o=t.strideDepth,i=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.effectiveFilterDepth,h=t.effectiveFilterHeight,f=t.effectiveFilterWidth,p=l-1-t.padInfo.front,d=h-1-t.padInfo.top,v=f-1-t.padInfo.left,m=1/(e*n*r);this.userCode="\n const ivec3 pads = ivec3("+p+", "+d+", "+v+");\n const float avgMultiplier = float("+m+");\n\n void main() {\n ivec5 coords = getOutputCoords();\n int batch = coords.x;\n int ch = coords.u;\n\n ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n int dyDCorner = dyCorner.x;\n int dyRCorner = dyCorner.y;\n int dyCCorner = dyCorner.z;\n\n // Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get\n // dx(xD, xR, xC, ch).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n\n for (int wD = 0; wD < "+l+";\n wD += "+s+") {\n float dyD = float(dyDCorner + wD) / "+o+".0;\n\n if (dyD < 0.0 || dyD >= "+t.outDepth+".0 || fract(dyD) > 0.0) {\n continue;\n }\n int idyD = int(dyD);\n\n for (int wR = 0; wR < "+h+";\n wR += "+u+") {\n float dyR = float(dyRCorner + wR) / "+i+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n for (int wC = 0; wC < "+f+";\n wC += "+c+") {\n float dyC = float(dyCCorner + wC) / "+a+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n\n dotProd += dyValue * avgMultiplier;\n }\n }\n }\n setOutput(dotProd);\n }\n "},Lo=function(t,e,n,r,o,i){this.outputShape=[],this.variableNames=["x","mean","variance"],Br(t,e),Br(t,n);var a="0.0";null!=r&&(Br(t,r),this.variableNames.push("offset"),a="getOffsetAtOutCoords()");var s="1.0";null!=o&&(Br(t,o),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=t,this.userCode="\n void main() {\n float x = getXAtOutCoords();\n float mean = getMeanAtOutCoords();\n float variance = getVarianceAtOutCoords();\n float offset = "+a+";\n float scale = "+s+";\n float inv = scale * inversesqrt(variance + float("+i+"));\n setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));\n }\n "},Wo=function(t,e,n,r,o,i){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],Br(t,e),Br(t,n);var a="vec4(0.0)";null!=r&&(Br(t,r),this.variableNames.push("offset"),a="getOffsetAtOutCoords()");var s="vec4(1.0)";null!=o&&(Br(t,o),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=t,this.userCode="\n void main() {\n vec4 offset = "+a+";\n vec4 scale = "+s+";\n\n vec4 x = getXAtOutCoords();\n vec4 mean = getMeanAtOutCoords();\n vec4 variance = getVarianceAtOutCoords();\n\n vec4 inv = scale * inversesqrt(variance + vec4("+i+"));\n\n setOutput((x - mean) * inv + offset);\n }\n "},jo=function(t,e,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=Br(e,n),this.userCode="\n float binaryOpComplex(\n float areal, float aimag, float breal, float bimag) {\n "+t+"\n }\n\n void main() {\n float areal = getARealAtOutCoords();\n float aimag = getAImagAtOutCoords();\n float breal = getBRealAtOutCoords();\n float bimag = getBImagAtOutCoords();\n setOutput(binaryOpComplex(areal, aimag, breal, bimag));\n }\n "},Uo="return a + b;",zo="return a - b;",Vo="return a * b;",Go="return (a < 0.) ? b * a : a;",Ho=function(t,e,n){this.variableNames=["A","B"],this.outputShape=Br(e,n),this.userCode="\n float binaryOperation(float a, float b) {\n "+t+"\n }\n\n void main() {\n float a = getAAtOutCoords();\n float b = getBAtOutCoords();\n setOutput(binaryOperation(a, b));\n }\n "},qo="\n vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));\n return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);\n",Ko=function(t,e,n,r){void 0===r&&(r=!1),this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=Br(e,n);var o=this.outputShape.length,i="";if(r)if(0===o||1===k(this.outputShape))i="\n result.y = 0.;\n result.z = 0.;\n result.w = 0.;\n ";else if(i="\n "+Oo(o)+" coords = getOutputCoords();\n ",1===o)i+="\n result.y = (coords + 1) >= "+this.outputShape[0]+" ? 0. : result.y;\n result.z = 0.;\n result.w = 0.;\n ";else{var a=xo("coords",o);i+="\n bool nextRowOutOfBounds =\n ("+a[o-2]+" + 1) >= "+this.outputShape[o-2]+";\n bool nextColOutOfBounds =\n ("+a[o-1]+" + 1) >= "+this.outputShape[o-1]+";\n result.y = nextColOutOfBounds ? 0. : result.y;\n result.z = nextRowOutOfBounds ? 0. : result.z;\n result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;\n "}this.userCode="\n vec4 binaryOperation(vec4 a, vec4 b) {\n "+t+"\n }\n\n void main() {\n vec4 a = getAAtOutCoords();\n vec4 b = getBAtOutCoords();\n\n vec4 result = binaryOperation(a, b);\n "+i+"\n\n setOutput(result);\n }\n "},Xo=function(){function t(t){this.variableNames=["A"],this.outputShape=t,this.userCode="\n uniform float minVal;\n uniform float maxVal;\n\n void main() {\n float value = getAAtOutCoords();\n if (isnan(value)) {\n setOutput(value);\n return;\n }\n\n setOutput(clamp(value, minVal, maxVal));\n }\n "}return t.prototype.getCustomSetupFunc=function(t,e){var n=this;return function(r,o){null==n.minLoc&&(n.minLoc=r.getUniformLocationNoThrow(o,"minVal"),n.maxLoc=r.getUniformLocationNoThrow(o,"maxVal")),r.gl.uniform1f(n.minLoc,t),r.gl.uniform1f(n.maxLoc,e)}},t}(),Yo=function(){function t(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.userCode="\n uniform float minVal;\n uniform float maxVal;\n\n void main() {\n vec4 value = getAAtOutCoords();\n\n if (any(isnan(value))) {\n setOutput(value);\n return;\n }\n\n setOutput(clamp(value, vec4(minVal), vec4(maxVal)));\n }\n "}return t.prototype.getCustomSetupFunc=function(t,e){var n=this;return function(r,o){null==n.minLoc&&(n.minLoc=r.getUniformLocationNoThrow(o,"minVal"),n.maxLoc=r.getUniformLocationNoThrow(o,"maxVal")),r.gl.uniform1f(n.minLoc,t),r.gl.uniform1f(n.maxLoc,e)}},t}(),$o=function(t){this.variableNames=["real","imag"],this.outputShape=t,this.userCode="\n void main() {\n float re = abs(getRealAtOutCoords());\n float im = abs(getImagAtOutCoords());\n float mx = max(re, im);\n\n // sadly the length function in glsl is not underflow-safe\n // (at least not on Intel GPUs). So the safe solution is\n // to ensure underflow-safety in all cases.\n setOutput(\n mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))\n );\n }\n "},Jo=function(t){this.outputShape=[],this.outputShape=nn(t,1),this.variableNames=t.map((function(t,e){return"T"+e}));var e=new Array(t.length-1);e[0]=t[0][1];for(var n=1;n<e.length;n++)e[n]=e[n-1]+t[n][1];var r=["if (yC < "+e[0]+") setOutput(getT0(yR, yC));"];for(n=1;n<e.length;n++){var o=e[n-1];r.push("else if (yC < "+e[n]+") setOutput(getT"+n+"(yR, yC-"+o+"));")}var i=e.length,a=e[e.length-1];r.push("else setOutput(getT"+i+"(yR, yC-"+a+"));"),this.userCode="\n void main() {\n ivec2 coords = getOutputCoords();\n int yR = coords.x;\n int yC = coords.y;\n\n "+r.join("\n ")+"\n }\n "},Qo=function(t,e){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=nn(t,e);var n=this.outputShape,r=n.length,o=Oo(r),i=xo("coords",r),a=["x","y","z","w","u","v"].slice(0,r);this.variableNames=t.map((function(t,e){return"T"+e}));var s=new Array(t.length-1);s[0]=t[0][e];for(var u=1;u<s.length;u++)s[u]=s[u-1]+t[u][e];var c=a[e],l=a.slice(-2),h=a.join(),f="if ("+c+" < "+s[0]+") {\n return getChannel(\n getT0("+h+"), vec2("+l.join()+"));\n }";for(u=1;u<s.length;u++){var p=s[u-1];f+="\n if ("+c+" < "+s[u]+" && "+c+" >= "+s[u-1]+") {\n return getChannel(\n getT"+u+"("+Zo(a,c,p)+"),\n vec2("+Zo(l,c,p)+"));\n }"}var d=s.length,v=s[s.length-1];f+="\n return getChannel(\n getT"+d+"("+Zo(a,c,v)+"),\n vec2("+Zo(l,c,v)+"));",this.userCode="\n float getValue("+a.map((function(t){return"int "+t}))+") {\n "+f+"\n }\n\n void main() {\n "+o+" coords = getOutputCoords();\n vec4 result = vec4(getValue("+i+"), 0., 0., 0.);\n\n "+i[r-1]+" = "+i[r-1]+" + 1;\n if ("+i[r-1]+" < "+n[r-1]+") {\n result.g = getValue("+i+");\n }\n\n "+i[r-2]+" = "+i[r-2]+" + 1;\n if ("+i[r-2]+" < "+n[r-2]+") {\n result.a = getValue("+i+");\n }\n\n "+i[r-1]+" = "+i[r-1]+" - 1;\n if ("+i[r-2]+" < "+n[r-2]+" &&\n "+i[r-1]+" < "+n[r-1]+") {\n result.b = getValue("+i+");\n }\n setOutput(result);\n }\n "};function Zo(t,e,n){var r=t.indexOf(e);return t.map((function(t,e){return e===r?t+" - "+n:t})).join()}var ti=function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideHeight,n=t.strideWidth,r=t.padInfo.top,o=t.padInfo.left,i="channelsLast"===t.dataFormat;this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int wR = coords.x;\n int wC = coords.y;\n int d1 = coords.z;\n int d2 = coords.w;\n\n // Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n\n for (int b = 0; b < "+t.batchSize+"; b++) {\n for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n int xR = wR + yR * "+e+" - "+r+";\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n int xC = wC + yC * "+n+" - "+o+";\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n if ("+i+") {\n float dyValue = getDy(b, yR, yC, d2);\n float xValue = getX(b, xR, xC, d1);\n dotProd += (xValue * dyValue);\n } else {\n float dyValue = getDy(b, d2, yR, yC);\n float xValue = getX(b, d1, xR, xC);\n dotProd += (xValue * dyValue);\n }\n\n }\n }\n }\n setOutput(dotProd);\n }\n "},ei=function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,o=t.strideWidth,i="channelsLast"===t.dataFormat,a=e-1-t.padInfo.top,s=n-1-t.padInfo.left,u=i?1:2,c=i?2:3,l=i?3:1;this.userCode="\n const ivec2 pads = ivec2("+a+", "+s+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int batch = coords[0];\n int d1 = coords["+l+"];\n\n ivec2 dyCorner = ivec2(coords["+u+"], coords["+c+"]) - pads;\n int dyRCorner = dyCorner.x;\n int dyCCorner = dyCorner.y;\n\n // Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n for (int wR = 0; wR < "+e+"; wR++) {\n float dyR = float(dyRCorner + wR) / "+r+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n int wRPerm = "+e+" - 1 - wR;\n\n for (int wC = 0; wC < "+n+"; wC++) {\n float dyC = float(dyCCorner + wC) / "+o+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n int wCPerm = "+n+" - 1 - wC;\n\n for (int d2 = 0; d2 < "+t.outChannels+"; d2++) {\n\n if ("+i+") {\n float xValue = getDy(batch, idyR, idyC, d2);\n float wValue = getW(wRPerm, wCPerm, d1, d2);\n dotProd += xValue * wValue;\n } else {\n float xValue = getDy(batch, d2, idyR, idyC);\n float wValue = getW(wRPerm, wCPerm, d1, d2);\n dotProd += xValue * wValue;\n }\n\n }\n }\n }\n setOutput(dotProd);\n }\n "},ni=function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideDepth,n=t.strideHeight,r=t.strideWidth,o=t.padInfo.front,i=t.padInfo.top,a=t.padInfo.left;this.userCode="\n void main() {\n ivec5 coords = getOutputCoords();\n int wF = coords.x;\n int wR = coords.y;\n int wC = coords.z;\n int d1 = coords.w;\n int d2 = coords.u;\n\n float dotProd = 0.0;\n\n for (int b = 0; b < "+t.batchSize+"; b++) {\n for (int yF = 0; yF < "+t.outDepth+"; yF++) {\n int xF = wF + yF * "+e+" - "+o+";\n\n if (xF < 0 || xF >= "+t.inDepth+") {\n continue;\n }\n\n for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n int xR = wR + yR * "+n+" - "+i+";\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n int xC = wC + yC * "+r+" - "+a+";\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n float dyValue = getDy(b, yF, yR, yC, d2);\n float xValue = getX(b, xF, xR, xC, d1);\n dotProd += (xValue * dyValue);\n }\n }\n }\n }\n setOutput(dotProd);\n }\n "},ri=function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterDepth,n=t.filterHeight,r=t.filterWidth,o=t.strideDepth,i=t.strideHeight,a=t.strideWidth,s=e-1-t.padInfo.front,u=n-1-t.padInfo.top,c=r-1-t.padInfo.left;this.userCode="\n const ivec3 pads = ivec3("+s+", "+u+", "+c+");\n\n void main() {\n ivec5 coords = getOutputCoords();\n int batch = coords.x;\n int d1 = coords.u;\n\n\n ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n int dyFCorner = dyCorner.x;\n int dyRCorner = dyCorner.y;\n int dyCCorner = dyCorner.z;\n\n float dotProd = 0.0;\n for (int wF = 0; wF < "+e+"; wF++) {\n float dyF = float(dyFCorner + wF) / "+o+".0;\n\n if (dyF < 0.0 || dyF >= "+t.outDepth+".0 || fract(dyF) > 0.0) {\n continue;\n }\n int idyF = int(dyF);\n\n int wFPerm = "+e+" - 1 - wF;\n\n for (int wR = 0; wR < "+n+"; wR++) {\n float dyR = float(dyRCorner + wR) / "+i+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n int wRPerm = "+n+" - 1 - wR;\n\n for (int wC = 0; wC < "+r+"; wC++) {\n float dyC = float(dyCCorner + wC) / "+a+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n int wCPerm = "+r+" - 1 - wC;\n\n for (int d2 = 0; d2 < "+t.outChannels+"; d2++) {\n float xValue = getDy(batch, idyF, idyR, idyC, d2);\n float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);\n dotProd += xValue * wValue;\n }\n }\n }\n }\n setOutput(dotProd);\n }\n "},oi=function(t){this.variableNames=["x","dy"],this.outputShape=t.filterShape;var e=t.strideHeight,n=t.strideWidth,r=t.padInfo.top,o=t.padInfo.left,i=t.outChannels/t.inChannels;this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int wR = coords.x;\n int wC = coords.y;\n int d1 = coords.z;\n int dm = coords.w;\n int d2 = d1 * "+i+" + dm;\n\n float dotProd = 0.0;\n\n // TO DO: Vec4 over the batch size\n for (int b = 0; b < "+t.batchSize+"; b++) {\n for (int yR = 0; yR < "+t.outHeight+"; yR++) {\n int xR = wR + yR * "+e+" - "+r+";\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int yC = 0; yC < "+t.outWidth+"; yC++) {\n int xC = wC + yC * "+n+" - "+o+";\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n float dyValue = getDy(b, yR, yC, d2);\n float xValue = getX(b, xR, xC, d1);\n dotProd += (xValue * dyValue);\n }\n }\n }\n setOutput(dotProd);\n }\n "},ii=function(t){this.variableNames=["dy","W"],this.outputShape=t.inShape;var e=t.filterHeight,n=t.filterWidth,r=t.strideHeight,o=t.strideWidth,i=e-1-t.padInfo.top,a=n-1-t.padInfo.left,s=t.outChannels/t.inChannels;this.userCode="\n const ivec2 pads = ivec2("+i+", "+a+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int batch = coords[0];\n int d1 = coords[3];\n ivec2 dyCorner = coords.yz - pads;\n int dyRCorner = dyCorner.x;\n int dyCCorner = dyCorner.y;\n\n float dotProd = 0.0;\n\n for (int wR = 0; wR < "+e+"; wR++) {\n float dyR = float(dyRCorner + wR) / "+r+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n int wRPerm = "+e+" - 1 - wR;\n\n for (int wC = 0; wC < "+n+"; wC++) {\n float dyC = float(dyCCorner + wC) / "+o+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n int wCPerm = "+n+" - 1 - wC;\n\n // TO DO: Vec4 over the channelMul\n for (int dm = 0; dm < "+s+"; dm++) {\n int d2 = d1 * "+s+" + dm;\n float xValue = getDy(batch, idyR, idyC, d2);\n float wValue = getW(wRPerm, wCPerm, d1, dm);\n dotProd += xValue * wValue;\n }\n }\n }\n setOutput(dotProd);\n }\n "},ai=function(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.outputShape=t.outShape;var o=t.padInfo.top,i=t.padInfo.left,a=t.strideHeight,s=t.strideWidth,u=t.dilationHeight,c=t.dilationWidth,l=t.filterHeight,h=t.filterWidth,f=4*Math.floor(t.inChannels/4),p=t.inChannels%4,d="channelsLast"===t.dataFormat,v=d?1:2,m=d?2:3,g=d?3:1,y="",b="";n&&(y=r?"float activation(float a) {\n float b = getPreluActivationWeightsAtOutCoords();\n "+n+"\n }":"\n float activation(float x) {\n "+n+"\n }\n ",b="result = activation(result);");var x=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n "+y+"\n\n const ivec2 strides = ivec2("+a+", "+s+");\n const ivec2 pads = ivec2("+o+", "+i+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int batch = coords[0];\n int d2 = coords["+g+"];\n\n ivec2 xRCCorner =\n ivec2(coords["+v+"], coords["+m+"]) * strides - pads;\n int xRCorner = xRCCorner.x;\n int xCCorner = xRCCorner.y;\n\n // Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n for (int wR = 0; wR < "+l+"; wR++) {\n int xR = xRCorner + wR * "+u+";\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int wC = 0; wC < "+h+"; wC++) {\n int xC = xCCorner + wC * "+c+";\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n for (int d1 = 0; d1 < "+f+"; d1 += 4) {\n vec4 wValues = vec4(\n getW(wR, wC, d1, d2),\n getW(wR, wC, d1 + 1, d2),\n getW(wR, wC, d1 + 2, d2),\n getW(wR, wC, d1 + 3, d2)\n );\n\n if ("+d+") {\n vec4 xValues = vec4(\n getX(batch, xR, xC, d1),\n getX(batch, xR, xC, d1 + 1),\n getX(batch, xR, xC, d1 + 2),\n getX(batch, xR, xC, d1 + 3)\n );\n dotProd += dot(xValues, wValues);\n } else {\n vec4 xValues = vec4(\n getX(batch, d1, xR, xC),\n getX(batch, d1 + 1, xR, xC),\n getX(batch, d1 + 2, xR, xC),\n getX(batch, d1 + 3, xR, xC)\n );\n dotProd += dot(xValues, wValues);\n }\n }\n\n if ("+(1===p)+") {\n\n if ("+d+") {\n dotProd +=\n getX(batch, xR, xC, "+f+") *\n getW(wR, wC, "+f+", d2);\n } else {\n dotProd +=\n getX(batch, "+f+", xR, xC) *\n getW(wR, wC, "+f+", d2);\n }\n\n } else if ("+(2===p)+") {\n vec2 wValues = vec2(\n getW(wR, wC, "+f+", d2),\n getW(wR, wC, "+f+" + 1, d2)\n );\n\n if ("+d+") {\n vec2 xValues = vec2(\n getX(batch, xR, xC, "+f+"),\n getX(batch, xR, xC, "+f+" + 1)\n );\n dotProd += dot(xValues, wValues);\n } else {\n vec2 xValues = vec2(\n getX(batch, "+f+", xR, xC),\n getX(batch, "+f+" + 1, xR, xC)\n );\n dotProd += dot(xValues, wValues);\n }\n\n } else if ("+(3===p)+") {\n vec3 wValues = vec3(\n getW(wR, wC, "+f+", d2),\n getW(wR, wC, "+f+" + 1, d2),\n getW(wR, wC, "+f+" + 2, d2)\n );\n\n if ("+d+") {\n vec3 xValues = vec3(\n getX(batch, xR, xC, "+f+"),\n getX(batch, xR, xC, "+f+" + 1),\n getX(batch, xR, xC, "+f+" + 2)\n );\n dotProd += dot(xValues, wValues);\n } else {\n vec3 xValues = vec3(\n getX(batch, "+f+", xR, xC),\n getX(batch, "+f+" + 1, xR, xC),\n getX(batch, "+f+" + 2, xR, xC)\n );\n dotProd += dot(xValues, wValues);\n }\n\n }\n }\n }\n\n float result = dotProd;\n "+x+"\n "+b+"\n setOutput(result);\n }\n "},si=function(t){this.variableNames=["x","W"],this.outputShape=t.outShape;var e=t.padInfo.front,n=t.padInfo.top,r=t.padInfo.left,o=t.strideDepth,i=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.filterDepth,h=t.filterHeight,f=t.filterWidth,p=4*Math.floor(t.inChannels/4),d=t.inChannels%4;this.userCode="\n const ivec3 strides = ivec3("+o+", "+i+", "+a+");\n const ivec3 pads = ivec3("+e+", "+n+", "+r+");\n\n void main() {\n ivec5 coords = getOutputCoords();\n int batch = coords.x;\n int d2 = coords.u;\n\n ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n int xFCorner = xFRCCorner.x;\n int xRCorner = xFRCCorner.y;\n int xCCorner = xFRCCorner.z;\n\n // Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get\n // y(yF, yR, yC, d2). ? = to be determined. : = across all\n // values in that axis.\n float dotProd = 0.0;\n for (int wF = 0; wF < "+l+"; wF++) {\n int xF = xFCorner + wF * "+s+";\n\n if (xF < 0 || xF >= "+t.inDepth+") {\n continue;\n }\n\n for (int wR = 0; wR < "+h+"; wR++) {\n int xR = xRCorner + wR * "+u+";\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int wC = 0; wC < "+f+"; wC++) {\n int xC = xCCorner + wC * "+c+";\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n for (int d1 = 0; d1 < "+p+"; d1 += 4) {\n vec4 xValues = vec4(\n getX(batch, xF, xR, xC, d1),\n getX(batch, xF, xR, xC, d1 + 1),\n getX(batch, xF, xR, xC, d1 + 2),\n getX(batch, xF, xR, xC, d1 + 3)\n );\n vec4 wValues = vec4(\n getW(wF, wR, wC, d1, d2),\n getW(wF, wR, wC, d1 + 1, d2),\n getW(wF, wR, wC, d1 + 2, d2),\n getW(wF, wR, wC, d1 + 3, d2)\n );\n\n dotProd += dot(xValues, wValues);\n }\n\n if ("+(1===d)+") {\n dotProd +=\n getX(batch, xF, xR, xC, "+p+") *\n getW(wF, wR, wC, "+p+", d2);\n } else if ("+(2===d)+") {\n vec2 xValues = vec2(\n getX(batch, xF, xR, xC, "+p+"),\n getX(batch, xF, xR, xC, "+p+" + 1)\n );\n vec2 wValues = vec2(\n getW(wF, wR, wC, "+p+", d2),\n getW(wF, wR, wC, "+p+" + 1, d2)\n );\n dotProd += dot(xValues, wValues);\n } else if ("+(3===d)+") {\n vec3 xValues = vec3(\n getX(batch, xF, xR, xC, "+p+"),\n getX(batch, xF, xR, xC, "+p+" + 1),\n getX(batch, xF, xR, xC, "+p+" + 2)\n );\n vec3 wValues = vec3(\n getW(wF, wR, wC, "+p+", d2),\n getW(wF, wR, wC, "+p+" + 1, d2),\n getW(wF, wR, wC, "+p+" + 2, d2)\n );\n dotProd += dot(xValues, wValues);\n }\n }\n }\n }\n setOutput(dotProd);\n }\n "},ui=function(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.outputShape=t.outShape;var o=t.inHeight,i=t.inWidth,a=t.padInfo.top,s=t.padInfo.left,u=t.strideHeight,c=t.strideWidth,l=t.dilationHeight,h=t.dilationWidth,f=t.filterHeight,p=t.filterWidth,d=t.outChannels/t.inChannels,v="",m="";n&&(v=r?"float activation(float a) {\n float b = getPreluActivationWeightsAtOutCoords();\n "+n+"\n }":"\n float activation(float x) {\n "+n+"\n }\n ",m="result = activation(result);");var g=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n "+v+"\n\n const ivec2 strides = ivec2("+u+", "+c+");\n const ivec2 pads = ivec2("+a+", "+s+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int batch = coords.x;\n ivec2 xRCCorner = coords.yz * strides - pads;\n int d2 = coords.w;\n int d1 = d2 / "+d+";\n int q = d2 - d1 * "+d+";\n\n int xRCorner = xRCCorner.x;\n int xCCorner = xRCCorner.y;\n\n // Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n // TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.\n for (int wR = 0; wR < "+f+"; wR++) {\n int xR = xRCorner + wR * "+l+";\n\n if (xR < 0 || xR >= "+o+") {\n continue;\n }\n\n for (int wC = 0; wC < "+p+"; wC++) {\n int xC = xCCorner + wC * "+h+";\n\n if (xC < 0 || xC >= "+i+") {\n continue;\n }\n\n float xVal = getX(batch, xR, xC, d1);\n float wVal = getW(wR, wC, d1, q);\n dotProd += xVal * wVal;\n }\n }\n\n float result = dotProd;\n "+g+"\n "+m+"\n setOutput(result);\n }\n "},ci=function(t,e,n,r){void 0===e&&(e=!1),void 0===n&&(n=null),void 0===r&&(r=!1),this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.outShape;for(var o=t.inHeight,i=t.inWidth,a=t.padInfo.top,s=t.padInfo.left,u=t.strideHeight,c=t.strideWidth,l=t.dilationHeight,h=t.dilationWidth,f=t.filterHeight,p=t.filterWidth,d=p,v="int xR; int xC; int xCOffset;",m=0;m<f;m++)for(var g=0;g<p;g++)v+="\n vec4 xTexelR"+m+"C"+2*g+" = vec4(0.);\n vec4 wR"+m+"C"+g+" = vec4(0.);\n vec4 xR"+m+"C"+g+" = vec4(0.);";for(m=0;m<f;m++)for(var y=0;y<d;y++){if(v+="\n xR = xRCorner + "+m*l+";\n xC = xCCorner + "+(g=2*y)*h+";\n ",1===c){if(g<p&&(v+=s%2==1?"\n xCOffset = xC + 1;\n if(xR >= 0 && xR < "+o+" && xCOffset >= 0 && xCOffset < "+i+") {\n xTexelR"+m+"C"+g+" = getX(batch, xR, xCOffset, d1);\n\n // Need to manually clear unused channels in case\n // we're reading from recycled texture.\n if(xCOffset + 1 >= "+i+") {\n xTexelR"+m+"C"+g+".zw = vec2(0.);\n }\n } else {\n xTexelR"+m+"C"+g+" = vec4(0.);\n }\n\n xCOffset = xC + 1 - 2;\n if(xR >= 0 && xR < "+o+" && xCOffset >= 0 && xCOffset < "+i+") {\n vec4 previous = getX(batch, xR, xCOffset, d1);\n\n // Need to manually clear unused channels in case\n // we're reading from recycled texture.\n if(xCOffset + 1 >= "+i+") {\n previous.zw = vec2(0.);\n }\n\n xR"+m+"C"+g+" = vec4(previous.zw, xTexelR"+m+"C"+g+".xy);\n } else {\n xR"+m+"C"+g+" = vec4(0, 0, xTexelR"+m+"C"+g+".xy);\n }\n ":"\n if(xR >= 0 && xR < "+o+" && xC >= 0 && xC < "+i+") {\n xTexelR"+m+"C"+g+" = getX(batch, xR, xC, d1);\n } else {\n xTexelR"+m+"C"+g+" = vec4(0.);\n }\n\n xR"+m+"C"+g+" = xTexelR"+m+"C"+g+";\n ",g+1<p)){var b=s%2==0?E(h):h;h%2==0&&s%2==1||h%2!=0&&s%2!=1?(v+="\n xCOffset = xC + "+s%2+" + "+b+";\n\n if(xR >= 0 && xR < "+o+" &&\n xCOffset >= 0 && xCOffset < "+i+") {\n xTexelR"+m+"C"+(g+2)+" = getX(batch, xR, xCOffset, d1);\n }\n ",h>1&&(v+="\n xCOffset -= 2;\n if(xR >= 0 && xR < "+o+" &&\n xCOffset >= 0 && xCOffset < "+i+") {\n xTexelR"+m+"C"+g+" = getX(batch, xR, xCOffset, d1);\n } else {\n xTexelR"+m+"C"+g+" = vec4(0.);\n }\n "),v+="\n xR"+m+"C"+(g+1)+" = vec4(\n xTexelR"+m+"C"+g+".zw, xTexelR"+m+"C"+(g+2)+".xy);\n "):v+="\n xCOffset = xC + "+b+";\n\n if(xR >= 0 && xR < "+o+" &&\n xCOffset >= 0 && xCOffset < "+i+") {\n xTexelR"+m+"C"+(g+2)+" = getX(batch, xR, xCOffset, d1);\n }\n\n xR"+m+"C"+(g+1)+" = xTexelR"+m+"C"+(g+2)+";\n "}}else g<p&&(v+="\n if(xR >= 0 && xR < "+o+") {\n ",s%2==1?(v+="\n xCOffset = xC + 1 - "+c+";\n if(xCOffset >= 0 && xCOffset < "+i+") {\n xTexelR"+m+"C"+g+" = getX(batch, xR, xCOffset, d1);\n } else {\n xTexelR"+m+"C"+g+" = vec4(0.);\n }\n\n if(xC + 1 >= 0 && xC + 1 < "+i+") {\n xTexelR"+m+"C"+(g+2)+" = getX(batch, xR, xC + 1, d1);\n } else {\n xTexelR"+m+"C"+(g+2)+" = vec4(0.);\n }\n\n xR"+m+"C"+g+" = vec4(\n xTexelR"+m+"C"+g+".zw, xTexelR"+m+"C"+(g+2)+".zw);\n ",g+1<p&&(v+="\n vec4 final = vec4(0.);\n xCOffset = xC + 1 + "+c+";\n if(xCOffset >= 0 && xCOffset < "+i+") {\n final = getX(batch, xR, xCOffset, d1);\n }\n xR"+m+"C"+(g+1)+" = vec4(xTexelR"+m+"C"+(g+2)+".xy, final.xy);\n ")):(v+="\n if(xC >= 0 && xC < "+i+") {\n xTexelR"+m+"C"+g+" = getX(batch, xR, xC, d1);\n } else {\n xTexelR"+m+"C"+g+" = vec4(0.);\n }\n\n xCOffset = xC + "+c+";\n if(xCOffset >= 0 && xCOffset < "+i+") {\n xTexelR"+m+"C"+(g+2)+" = getX(batch, xR, xCOffset, d1);\n } else {\n xTexelR"+m+"C"+(g+2)+" = vec4(0.);\n }\n\n xR"+m+"C"+g+" = vec4(\n xTexelR"+m+"C"+g+".xy, xTexelR"+m+"C"+(g+2)+".xy);\n ",g+1<p&&(v+="\n xR"+m+"C"+(g+1)+" = vec4(\n xTexelR"+m+"C"+g+".zw, xTexelR"+m+"C"+(g+2)+".zw);\n ")),v+="}");g<p&&(v+="\n vec4 wTexelR"+m+"C"+g+" = getW("+m+", "+g+", d1, q);\n wR"+m+"C"+g+" = vec4(wTexelR"+m+"C"+g+".xz, wTexelR"+m+"C"+g+".xz);\n ",g+1<p&&(v+="\n vec4 wTexelR"+m+"C"+(g+1)+" = getW("+m+", "+(g+1)+", d1, q);\n wR"+m+"C"+(g+1)+" =\n vec4(wTexelR"+m+"C"+(g+1)+".xz, wTexelR"+m+"C"+(g+1)+".xz);"))}for(m=0;m<f;m++)for(g=0;g<p;g++)v+="dotProd += xR"+m+"C"+g+" * wR"+m+"C"+g+";";var x="",w="";n&&(x=r?"vec4 activation(vec4 a) {\n vec4 b = getPreluActivationWeightsAtOutCoords();\n "+n+"\n }":"vec4 activation(vec4 x) {\n "+n+"\n }",w="result = activation(result);");var C=e?"result += getBiasAtOutCoords();":"";e&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),this.userCode="\n "+x+"\n\n const ivec2 strides = ivec2("+u+", "+c+");\n const ivec2 pads = ivec2("+a+", "+s+");\n\n void main() {\n\n ivec4 coords = getOutputCoords();\n int batch = coords.x;\n ivec2 xRCCorner = coords.yz * strides - pads;\n int d2 = coords.w;\n int d1 = d2;\n int q = 0;\n int xRCorner = xRCCorner.x;\n int xCCorner = xRCCorner.y;\n\n vec4 dotProd = vec4(0.);\n\n "+v+"\n\n vec4 result = dotProd;\n "+C+"\n "+w+"\n setOutput(result);\n }\n "},li=function(t,e,n,r,o){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];var i=t[0],a=t[1],s=t[2],u=t[3],c=e[0],l=n[0],h=n[1];this.outputShape=[c,l,h,u];var f="bilinear"===r?1:0,p=[a-1+".0",s-1+".0"],d=p[0],v=p[1],m=l>1?[""+(a-1)/(l-1),"(y2-y1) * height_ratio","y1*"+d+" + float(y)*(height_scale)"]:["0.0","0.0","0.5 * (y1+y2) * "+d],g=m[0],y=m[1],b=m[2],x=h>1?[""+(s-1)/(h-1),"(x2-x1) * width_ratio","x1*"+v+" + float(x)*(width_scale)"]:["0.0","0.0","0.5 * (x1+x2) * "+v],w=x[0],E=x[1],C=x[2];this.userCode="\n const float height_ratio = float("+g+");\n const float width_ratio = float("+w+");\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int y = coords[1];\n int x = coords[2];\n int d = coords[3];\n\n // get box vals\n float y1 = getBoxes(b,0);\n float x1 = getBoxes(b,1);\n float y2 = getBoxes(b,2);\n float x2 = getBoxes(b,3);\n\n // get image in batch index\n int bInd = round(getBoxInd(b));\n if(bInd < 0 || bInd >= "+i+") {\n return;\n }\n\n float height_scale = "+y+";\n float width_scale = "+E+";\n\n float in_y = "+b+";\n if( in_y < 0.0 || in_y > "+d+" ) {\n setOutput(float("+o+"));\n return;\n }\n float in_x = "+C+";\n if( in_x < 0.0 || in_x > "+v+" ) {\n setOutput(float("+o+"));\n return;\n }\n\n vec2 sourceFracIndexCR = vec2(in_x,in_y);\n if("+f+" == 1) {\n // Compute the four integer indices.\n ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);\n ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));\n\n float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);\n float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);\n float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);\n float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);\n\n vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);\n\n float top = topLeft + (topRight - topLeft) * fracCR.x;\n float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;\n float newValue = top + (bottom - top) * fracCR.y;\n setOutput(newValue);\n } else {\n // Compute the coordinators of nearest neighbor point.\n ivec2 sourceNearestCR = ivec2(floor(\n sourceFracIndexCR + vec2(0.5,0.5)));\n float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);\n setOutput(newValue);\n }\n }\n "},hi=function(t,e,n){this.variableNames=["x"],this.outputShape=t;var r=t.length,o=t[t.length-1],i=n?"<":">";this.userCode="\n int getIndex(int i) {\n "+(n?"return "+o+" -i - 1;":"return i;")+"\n }\n\n void main() {\n "+Oo(r)+" coords = getOutputCoords();\n int end = "+fi(r,"coords")+";\n float val = 0.0;\n for (int i = "+o+" - 1; i >= 0; i -= 1) {\n int idx = getIndex(i);\n if (idx "+i+" end) {\n continue;\n }\n if (idx == end && "+e+") {\n continue;\n }\n "+fi(r,"coords")+" = idx;\n val += getX("+function(t,e){if(1===t)return""+e;if(2===t)return e+".x, "+e+".y";if(3===t)return e+".x, "+e+".y, "+e+".z";if(4===t)return e+".x, "+e+".y, "+e+".z, "+e+".w";throw Error("Cumulative sum for rank "+t+" is not yet supported")}(r,"coords")+");\n }\n setOutput(val);\n }\n "};function fi(t,e){if(1===t)return""+e;if(2===t)return e+".y";if(3===t)return e+".z";if(4===t)return e+".w";throw Error("Cumulative sum for rank "+t+" is not yet supported")}var pi=function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outPackingScheme=Bt.DENSE;var e=Ht(t),n=wo();this.outputShape=t,this.userCode="\n ivec3 outCoordsFromFlatIndex(int index) {\n "+Eo(["r","c","d"],t)+"\n return ivec3(r, c, d);\n }\n\n void main() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = 4 * (resTexRC.x * "+e[1]+" + resTexRC.y);\n\n vec4 result = vec4(0.);\n\n for (int i=0; i<4; i++) {\n int flatIndex = index + i;\n ivec3 rc = outCoordsFromFlatIndex(flatIndex);\n result[i] = getA(rc.x, rc.y, rc.z);\n }\n\n "+n.output+" = result;\n }\n "},di=function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=Bt.DENSE;var e=Ht(t),n=wo();this.outputShape=t,this.userCode="\n ivec3 outCoordsFromFlatIndex(int index) {\n "+Eo(["r","c","d"],t)+"\n return ivec3(r, c, d);\n }\n\n void main() {\n ivec2 resTexRC = ivec2(resultUV.yx *\n vec2("+e[0]+", "+e[1]+"));\n int index = 4 * (resTexRC.x * "+e[1]+" + resTexRC.y);\n\n vec4 result = vec4(0.);\n\n for (int i=0; i<4; i++) {\n int flatIndex = index + i;\n ivec3 rc = outCoordsFromFlatIndex(flatIndex);\n result[i] = getChannel(getA(rc.x, rc.y, rc.z), vec2(rc.y, rc.z));\n }\n\n "+n.output+" = result;\n }\n "},vi=function(){function t(t,e,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=t,this.blockSize=e,this.dataFormat=n,this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int h = "+this.getHeightCoordString()+";\n int w = "+this.getWidthCoordString()+";\n int d = "+this.getDepthCoordString()+";\n\n int in_h = h / "+e+";\n int offset_h = imod(h, "+e+");\n int in_w = w / "+e+";\n int offset_w = imod(w, "+e+");\n int offset_d = (offset_h * "+e+" + offset_w) *\n "+this.getOutputDepthSize()+";\n int in_d = d + offset_d;\n\n float result = "+this.getInputSamplingString()+";\n setOutput(result);\n }\n "}return t.prototype.getHeightCoordString=function(){return"NHWC"===this.dataFormat?"coords[1]":"coords[2]"},t.prototype.getWidthCoordString=function(){return"NHWC"===this.dataFormat?"coords[2]":"coords[3]"},t.prototype.getDepthCoordString=function(){return"NHWC"===this.dataFormat?"coords[3]":"coords[1]"},t.prototype.getOutputDepthSize=function(){return"NHWC"===this.dataFormat?this.outputShape[3]:this.outputShape[1]},t.prototype.getInputSamplingString=function(){return"NHWC"===this.dataFormat?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)"},t}(),mi=function(t){this.variableNames=["X"],this.outputShape=[t,t],this.userCode="\n void main() {\n ivec2 coords = getOutputCoords();\n float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;\n setOutput(val);\n }\n "},gi=function(t){this.variableNames=["A"],this.outTexUsage=Lt.DOWNLOAD;var e=wo();this.outputShape=t,this.userCode="\n "+_o+"\n\n void main() {\n float x = getAAtOutCoords();\n "+e.output+" = encode_float(x);\n }\n "},yi=function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=Lt.DOWNLOAD;var e=wo();this.outputShape=t,this.userCode="\n "+_o+"\n\n void main() {\n ivec3 coords = getOutputCoords();\n float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));\n "+e.output+" = encode_float(x);\n }\n "},bi=function(t,e,n){void 0===n&&(n=!1),this.variableNames=["A"];var r=wo(),o=e[0],i=e[1];this.outputShape=t;var a="result";n&&(a="floor(result * 255. + 0.5)"),this.userCode="\n "+Co(t)+"\n\n void main() {\n ivec3 coords = getOutputCoords();\n\n int flatIndex = getFlatIndex(coords);\n int offset = imod(flatIndex, 4);\n\n flatIndex = idiv(flatIndex, 4, 1.);\n \n int r = flatIndex / "+i+";\n int c = imod(flatIndex, "+i+");\n vec2 uv = (vec2(c, r) + halfCR) / vec2("+i+".0, "+o+".0);\n vec4 values = "+r.texture2D+"(A, uv);\n\n float result;\n\n if(offset == 0) {\n result = values[0];\n } else if(offset == 1) {\n result = values[1];\n } else if(offset == 2) {\n result = values[2];\n } else {\n result = values[3];\n }\n\n "+r.output+" = vec4("+a+", 0., 0., 0.);\n }\n "},xi=function(t,e,n){void 0===n&&(n=!1),this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var r=wo(),o=e[0],i=e[1];this.outputShape=t;var a="",s="result";n&&(s="floor(result * 255. + 0.5)");for(var u=0;u<=1;u++)for(var c=0;c<=1;c++){var l=2*u+c;a+="\n localCoords = coords;\n if(localCoords[2] + "+c+" < "+t[2]+") {\n localCoords[2] += "+c+";\n if(localCoords[1] + "+u+" < "+t[1]+") {\n localCoords[1] += "+u+";\n\n flatIndex = getFlatIndex(localCoords);\n offset = imod(flatIndex, 4);\n\n flatIndex = idiv(flatIndex, 4, 1.);\n\n r = flatIndex / "+i+";\n c = imod(flatIndex, "+i+");\n uv = (vec2(c, r) + halfCR) / vec2("+i+".0, "+o+".0);\n values = "+r.texture2D+"(A, uv);\n\n if(offset == 0) {\n result["+l+"] = values[0];\n } else if(offset == 1) {\n result["+l+"] = values[1];\n } else if(offset == 2) {\n result["+l+"] = values[2];\n } else {\n result["+l+"] = values[3];\n }\n }\n }\n "}this.userCode="\n "+Co(t)+"\n\n void main() {\n ivec3 coords = getOutputCoords();\n\n vec4 result = vec4(0.);\n int flatIndex, r, c, offset;\n ivec3 localCoords;\n vec2 uv;\n vec4 values;\n\n "+a+"\n\n "+r.output+" = "+s+";\n }\n "},wi=function(t,e,n){this.variableNames=["real","imag"];var r=e[1];this.outputShape=e;var o=n?"2.0 * "+Math.PI:"-2.0 * "+Math.PI,i=n?r+".0":"1.0";this.userCode="\n const float exponentMultiplier = "+o+";\n\n float unaryOpComplex(float real, float expR, float imag, float expI) {\n "+t+"\n }\n\n float mulMatDFT(int batch, int index) {\n float indexRatio = float(index) / float("+r+");\n float exponentMultiplierTimesIndexRatio =\n exponentMultiplier * indexRatio;\n\n float result = 0.0;\n\n for (int i = 0; i < "+r+"; i++) {\n // x = (-2|2 * PI / N) * index * i;\n float x = exponentMultiplierTimesIndexRatio * float(i);\n float expR = cos(x);\n float expI = sin(x);\n float real = getReal(batch, i);\n float imag = getImag(batch, i);\n\n result +=\n unaryOpComplex(real, expR, imag, expI) / "+i+";\n }\n\n return result;\n }\n\n void main() {\n ivec2 coords = getOutputCoords();\n setOutput(mulMatDFT(coords[0], coords[1]));\n }\n "},Ei=function(){function t(t,e){this.outputShape=[],this.variableNames=["x"],this.outputShape=t,this.userCode="\n uniform float value;\n void main() {\n // Input can be obtained from uniform value.\n setOutput(value);\n }\n "}return t.prototype.getCustomSetupFunc=function(t){var e=this;return function(n,r){null==e.valueLoc&&(e.valueLoc=n.getUniformLocationNoThrow(r,"value")),n.gl.uniform1f(e.valueLoc,t)}},t}(),Ci=function(t,e,n){this.variableNames=["A","indices"];var r=t.slice();r[n]=e,this.outputShape=r,this.rank=r.length;var o=Oo(this.rank),i=function(t,e){var n=t.length;if(n>4)throw Error("Gather for rank "+n+" is not yet supported");if(1===n)return"int(getIndices(resRC))";for(var r=["resRC.x","resRC.y","resRC.z","resRC.w"],o=[],i=0;i<t.length;i++)i===e?o.push("int(getIndices("+r[i]+"))"):o.push(""+r[i]);return o.join()}(t,n);this.userCode="\n void main() {\n "+o+" resRC = getOutputCoords();\n setOutput(getA("+i+"));\n }\n "},_i=function(t,e,n){this.sliceDim=t,this.strides=e,this.variableNames=["x","indices"],this.outputShape=n;var r=Oo(e.length),o=Oo(n.length),i=this.sliceDim>1?"strides[j]":"strides";this.userCode="\n "+r+" strides = "+r+"("+this.strides+");\n void main() {\n "+o+" coords = getOutputCoords();\n int flattenIndex = 0;\n for (int j = 0; j < "+this.sliceDim+"; j++) {\n int index = round(getIndices(coords[0], j));\n flattenIndex += index * "+i+";\n }\n setOutput(getX(flattenIndex, coords[1]));\n }\n "};function Ii(t,e){var n=wo();return Qt(t,e,n.version+"\n precision highp float;\n "+n.attribute+" vec3 clipSpacePos;\n "+n.attribute+" vec2 uv;\n "+n.varyingVs+" vec2 resultUV;\n\n void main() {\n gl_Position = vec4(clipSpacePos, 1);\n resultUV = uv;\n }")}function Ri(t,e){return ae(t,e,new Float32Array([-1,1,0,0,1,-1,-1,0,0,0,1,1,0,1,1,1,-1,0,1,0]))}function Si(t,e){return se(t,e,new Uint16Array([0,1,2,2,1,3]))}function ki(t,e,n,r,o,i,a){ce(n,r);var s=ue(t,e),u=t.TEXTURE_2D;return Xt(t,e,(function(){return t.bindTexture(u,s)})),Xt(t,e,(function(){return t.texParameteri(u,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE)})),Xt(t,e,(function(){return t.texParameteri(u,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE)})),Xt(t,e,(function(){return t.texParameteri(u,t.TEXTURE_MIN_FILTER,t.NEAREST)})),Xt(t,e,(function(){return t.texParameteri(u,t.TEXTURE_MAG_FILTER,t.NEAREST)})),Xt(t,e,(function(){return t.texImage2D(u,0,o,n,r,0,i,a,null)})),Xt(t,e,(function(){return t.bindTexture(t.TEXTURE_2D,null)})),s}function Ai(t,e,n,r,o){var i=Gt(n,r);return ki(t,e,i[0],i[1],o.internalFormatFloat,o.textureFormatFloat,t.FLOAT)}function Di(t,e,n,r,o){var i=Gt(n,r);return ki(t,e,i[0],i[1],o.internalFormatHalfFloat,o.textureFormatFloat,o.textureTypeHalfFloat)}function Ti(t,e,n,r,o){var i=Gt(n,r);return ki(t,e,i[0],i[1],t.RGBA,t.RGBA,t.UNSIGNED_BYTE)}function Oi(t,e,n,r,o){var i=qt(n,r);return ki(t,e,i[0],i[1],o.internalFormatPackedFloat,t.RGBA,t.FLOAT)}function Ni(t,e,n,r,o){var i=qt(n,r);return ki(t,e,i[0],i[1],o.internalFormatPackedHalfFloat,t.RGBA,o.textureTypeHalfFloat)}function Fi(t,e,n,r){return Xt(t,e,(function(){return t.bindBuffer(t.ARRAY_BUFFER,r)})),he(t,e,n,"clipSpacePos",r,3,20,0)&&he(t,e,n,"uv",r,2,20,12)}function Pi(t,e,n,r,o,i,a){var s,u,c;Xt(t,e,(function(){return t.bindTexture(t.TEXTURE_2D,n)})),i instanceof Uint8Array?(s=new Uint8Array(r*o*4),u=t.UNSIGNED_BYTE,c=t.RGBA):(s=new Float32Array(r*o*4),u=t.FLOAT,c=a.internalFormatPackedFloat),s.set(i),Xt(t,e,(function(){return t.texImage2D(t.TEXTURE_2D,0,c,r,o,0,t.RGBA,u,s)})),Xt(t,e,(function(){return t.bindTexture(t.TEXTURE_2D,null)}))}function Mi(t,e,n,r){Xt(t,e,(function(){return t.bindTexture(t.TEXTURE_2D,n)})),r.data instanceof Uint8Array?Xt(t,e,(function(){return t.texImage2D(t.TEXTURE_2D,0,t.RGBA,r.width,r.height,0,t.RGBA,t.UNSIGNED_BYTE,r.data)})):Xt(t,e,(function(){return t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r)})),Xt(t,e,(function(){return t.bindTexture(t.TEXTURE_2D,null)}))}function Bi(t,e,n,r,o){var i=t.createBuffer();Xt(t,e,(function(){return t.bindBuffer(t.PIXEL_PACK_BUFFER,i)}));var a=16*n*r;return Xt(t,e,(function(){return t.bufferData(t.PIXEL_PACK_BUFFER,a,t.STREAM_READ)})),Xt(t,e,(function(){return t.readPixels(0,0,r,n,t.RGBA,t.FLOAT,0)})),Xt(t,e,(function(){return t.bindBuffer(t.PIXEL_PACK_BUFFER,null)})),i}function Li(t,e,n){var r=t,o=new Float32Array(n);return r.bindBuffer(r.PIXEL_PACK_BUFFER,e),r.getBufferSubData(r.PIXEL_PACK_BUFFER,0,o),r.bindBuffer(r.PIXEL_PACK_BUFFER,null),o}function Wi(t,e,n,r,o){var i=Gt(n,r),a=i[0],s=i[1],u=new Uint8Array(n*r*4);return Xt(t,e,(function(){return t.readPixels(0,0,a,s,o.downloadTextureFormat,t.UNSIGNED_BYTE,u)})),new Float32Array(u.buffer)}function ji(t,e,n,r,o,i,a,s){var u=t,c=new Float32Array(function(t,e){var n=qt(t,e);return n[0]*n[1]*4}(i,a));return u.bindBuffer(u.PIXEL_PACK_BUFFER,e),u.getBufferSubData(u.PIXEL_PACK_BUFFER,0,c),u.bindBuffer(u.PIXEL_PACK_BUFFER,null),c}function Ui(t,e,n,r){var o=new Float32Array(n*r*4);return Xt(t,e,(function(){return t.readPixels(0,0,r,n,t.RGBA,t.FLOAT,o)})),o}var zi=Object.freeze({createVertexShader:Ii,createVertexBuffer:Ri,createIndexBuffer:Si,createFloat32MatrixTexture:Ai,createFloat16MatrixTexture:Di,createUnsignedBytesMatrixTexture:Ti,createPackedMatrixTexture:Oi,createFloat16PackedMatrixTexture:Ni,bindVertexProgramAttributeStreams:Fi,uploadDenseMatrixToTexture:Pi,uploadPixelDataToTexture:Mi,createBufferFromOutputTexture:Bi,downloadFloat32MatrixFromBuffer:Li,downloadByteEncodedFloatMatrixFromOutputTexture:Wi,downloadPackedMatrixFromBuffer:ji,downloadMatrixFromPackedOutputTexture:Ui}),Vi=function(){function t(t){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];var e=h().getNumber("WEBGL_VERSION");null!=t?(this.gl=t,zt(e,t)):this.gl=Vt(e);var n="WEBGL_color_buffer_float";if(1===h().getNumber("WEBGL_VERSION")){if(this.textureFloatExtension=Jt(this.gl,this.debug,"OES_texture_float"),Te(this.gl,"OES_texture_half_float"))this.textureHalfFloatExtension=Jt(this.gl,this.debug,"OES_texture_half_float");else if(h().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support half float textures, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");if(this.colorBufferFloatExtension=this.gl.getExtension(n),Te(this.gl,"EXT_color_buffer_half_float"))this.colorBufferHalfFloatExtension=Jt(this.gl,this.debug,"EXT_color_buffer_half_float");else if(h().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support color renderable half floats, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.")}else if(n="EXT_color_buffer_float",Te(this.gl,n))this.colorBufferFloatExtension=this.gl.getExtension(n);else{if(!Te(this.gl,"EXT_color_buffer_half_float"))throw new Error("GL context does not support color renderable floats");this.colorBufferHalfFloatExtension=this.gl.getExtension("EXT_color_buffer_half_float")}this.vertexBuffer=Ri(this.gl,this.debug),this.indexBuffer=Si(this.gl,this.debug),this.framebuffer=le(this.gl,this.debug),this.textureConfig=Kt(this.gl,this.textureHalfFloatExtension)}return Object.defineProperty(t.prototype,"debug",{get:function(){return h().getBool("DEBUG")},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){var t=this;if(!this.disposed){null!=this.program&&console.warn("Disposing a GPGPUContext that still has a bound WebGLProgram. This is probably a resource leak, delete the program with GPGPUContext.deleteProgram before disposing."),null!=this.outputTexture&&console.warn("Disposing a GPGPUContext that still has a bound output matrix texture. This is probably a resource leak, delete the output matrix texture with GPGPUContext.deleteMatrixTexture before disposing.");var e=this.gl;Xt(e,this.debug,(function(){return e.finish()})),Xt(e,this.debug,(function(){return e.bindFramebuffer(e.FRAMEBUFFER,null)})),Xt(e,this.debug,(function(){return e.deleteFramebuffer(t.framebuffer)})),Xt(e,this.debug,(function(){return e.bindBuffer(e.ARRAY_BUFFER,null)})),Xt(e,this.debug,(function(){return e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null)})),Xt(e,this.debug,(function(){return e.deleteBuffer(t.indexBuffer)})),this.disposed=!0}},t.prototype.createFloat32MatrixTexture=function(t,e){return this.throwIfDisposed(),Ai(this.gl,this.debug,t,e,this.textureConfig)},t.prototype.createFloat16MatrixTexture=function(t,e){return this.throwIfDisposed(),Di(this.gl,this.debug,t,e,this.textureConfig)},t.prototype.createUnsignedBytesMatrixTexture=function(t,e){return this.throwIfDisposed(),Ti(this.gl,this.debug,t,e,this.textureConfig)},t.prototype.uploadPixelDataToTexture=function(t,e){this.throwIfDisposed(),Mi(this.gl,this.debug,t,e)},t.prototype.uploadDenseMatrixToTexture=function(t,e,n,r){this.throwIfDisposed(),Pi(this.gl,this.debug,t,e,n,r,this.textureConfig)},t.prototype.createFloat16PackedMatrixTexture=function(t,e){return this.throwIfDisposed(),Ni(this.gl,this.debug,t,e,this.textureConfig)},t.prototype.createPackedMatrixTexture=function(t,e){return this.throwIfDisposed(),Oi(this.gl,this.debug,t,e,this.textureConfig)},t.prototype.deleteMatrixTexture=function(t){var e=this;this.throwIfDisposed(),this.outputTexture===t&&(ge(this.gl,this.debug,this.framebuffer),this.outputTexture=null),Xt(this.gl,this.debug,(function(){return e.gl.deleteTexture(t)}))},t.prototype.downloadByteEncodedFloatMatrixFromOutputTexture=function(t,e,n){var r=this;return this.downloadMatrixDriver(t,(function(){return Wi(r.gl,r.debug,e,n,r.textureConfig)}))},t.prototype.downloadPackedMatrixFromBuffer=function(t,e,n,r,o,i){return ji(this.gl,t,0,0,0,o,i,this.textureConfig)},t.prototype.downloadFloat32MatrixFromBuffer=function(t,e){return Li(this.gl,t,e)},t.prototype.createBufferFromTexture=function(t,e,n){this.bindTextureToFrameBuffer(t);var r=Bi(this.gl,this.debug,e,n,this.textureConfig);return this.unbindTextureToFrameBuffer(),r},t.prototype.createAndWaitForFence=function(){var t=this.createFence(this.gl);return this.pollFence(t)},t.prototype.createFence=function(t){var e,n,r=this;if(h().getBool("WEBGL_FENCE_API_ENABLED")){var o=t,i=o.fenceSync(o.SYNC_GPU_COMMANDS_COMPLETE,0);t.flush(),n=function(){var t=o.clientWaitSync(i,0,0);return t===o.ALREADY_SIGNALED||t===o.CONDITION_SATISFIED},e=i}else h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")>0?(e=this.beginQuery(),this.endQuery(),n=function(){return r.isQueryAvailable(e,h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))}):n=function(){return!0};return{query:e,isFencePassed:n}},t.prototype.downloadMatrixFromPackedTexture=function(t,e,n){var r=this;return this.downloadMatrixDriver(t,(function(){return Ui(r.gl,r.debug,e,n)}))},t.prototype.createProgram=function(t){this.throwIfDisposed();var e=this.gl,n=Zt(e,this.debug,t),r=Ii(e,this.debug),o=re(e,this.debug);return Xt(e,this.debug,(function(){return e.attachShader(o,r)})),Xt(e,this.debug,(function(){return e.attachShader(o,n)})),oe(e,this.debug,o),this.debug&&ie(e,this.debug,o),this.vertexAttrsAreBound||(this.setProgram(o),this.vertexAttrsAreBound=Fi(e,this.debug,this.program,this.vertexBuffer)),o},t.prototype.deleteProgram=function(t){var e=this;this.throwIfDisposed(),t===this.program&&(this.program=null),null!=t&&Xt(this.gl,this.debug,(function(){return e.gl.deleteProgram(t)}))},t.prototype.setProgram=function(t){var e=this;this.throwIfDisposed(),this.program=t,null!=this.program&&this.debug&&ie(this.gl,this.debug,this.program),Xt(this.gl,this.debug,(function(){return e.gl.useProgram(t)}))},t.prototype.getUniformLocation=function(t,e,n){return void 0===n&&(n=!0),this.throwIfDisposed(),n?pe(this.gl,this.debug,t,e):de(this.gl,t,e)},t.prototype.getAttributeLocation=function(t,e){var n=this;return this.throwIfDisposed(),Xt(this.gl,this.debug,(function(){return n.gl.getAttribLocation(t,e)}))},t.prototype.getUniformLocationNoThrow=function(t,e){return this.throwIfDisposed(),this.gl.getUniformLocation(t,e)},t.prototype.setInputMatrixTexture=function(t,e,n){this.throwIfDisposed(),this.throwIfNoProgram(),ve(this.gl,this.debug,this.program,t,e,n)},t.prototype.setOutputMatrixTexture=function(t,e,n){this.setOutputMatrixTextureDriver(t,n,e)},t.prototype.setOutputPackedMatrixTexture=function(t,e,n){this.throwIfDisposed();var r=qt(e,n),o=r[0],i=r[1];this.setOutputMatrixTextureDriver(t,o,i)},t.prototype.setOutputMatrixWriteRegion=function(t,e,n,r){this.setOutputMatrixWriteRegionDriver(n,t,r,e)},t.prototype.setOutputPackedMatrixWriteRegion=function(t,e,n,r){throw new Error("setOutputPackedMatrixWriteRegion not implemented.")},t.prototype.debugValidate=function(){null!=this.program&&ie(this.gl,this.debug,this.program),ye(this.gl)},t.prototype.executeProgram=function(){this.throwIfDisposed(),this.throwIfNoProgram();var t=this.gl;this.debug&&this.debugValidate(),Xt(t,this.debug,(function(){return t.drawElements(t.TRIANGLES,6,t.UNSIGNED_SHORT,0)}))},t.prototype.blockUntilAllProgramsCompleted=function(){var t=this;this.throwIfDisposed(),Xt(this.gl,this.debug,(function(){return t.gl.finish()}))},t.prototype.getQueryTimerExtension=function(){return null==this.disjointQueryTimerExtension&&(this.disjointQueryTimerExtension=Jt(this.gl,this.debug,2===h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")?"EXT_disjoint_timer_query_webgl2":"EXT_disjoint_timer_query")),this.disjointQueryTimerExtension},t.prototype.getQueryTimerExtensionWebGL2=function(){return this.getQueryTimerExtension()},t.prototype.getQueryTimerExtensionWebGL1=function(){return this.getQueryTimerExtension()},t.prototype.beginQuery=function(){if(2===h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")){var t=this.gl,e=this.getQueryTimerExtensionWebGL2(),n=t.createQuery();return t.beginQuery(e.TIME_ELAPSED_EXT,n),n}var r=this.getQueryTimerExtensionWebGL1(),o=r.createQueryEXT();return r.beginQueryEXT(r.TIME_ELAPSED_EXT,o),o},t.prototype.endQuery=function(){if(2!==h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION")){var t=this.getQueryTimerExtensionWebGL1();t.endQueryEXT(t.TIME_ELAPSED_EXT)}else{var e=this.gl,n=this.getQueryTimerExtensionWebGL2();e.endQuery(n.TIME_ELAPSED_EXT)}},t.prototype.waitForQueryAndGetTime=function(t){return s(this,void 0,void 0,(function(){var e=this;return u(this,(function(n){switch(n.label){case 0:return[4,F((function(){return e.disposed||e.isQueryAvailable(t,h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))}))];case 1:return n.sent(),[2,this.getQueryTime(t,h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_VERSION"))]}}))}))},t.prototype.getQueryTime=function(t,e){if(0===e)return null;if(2===e){var n=this.gl;return n.getQueryParameter(t,n.QUERY_RESULT)/1e6}var r=this.getQueryTimerExtensionWebGL1();return r.getQueryObjectEXT(t,r.QUERY_RESULT_EXT)/1e6},t.prototype.isQueryAvailable=function(t,e){if(0===e)return!0;if(2===e){var n=this.gl,r=this.getQueryTimerExtensionWebGL2(),o=n.getQueryParameter(t,n.QUERY_RESULT_AVAILABLE);return null==this.disjoint&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),o&&!this.disjoint}return o=(r=this.getQueryTimerExtensionWebGL1()).getQueryObjectEXT(t,r.QUERY_RESULT_AVAILABLE_EXT),null==this.disjoint&&(this.disjoint=this.gl.getParameter(r.GPU_DISJOINT_EXT)),o&&!this.disjoint},t.prototype.pollFence=function(t){var e=this;return new Promise((function(n){e.addItemToPoll((function(){return t.isFencePassed()}),(function(){return n()}))}))},t.prototype.pollItems=function(){for(var t=function(t){for(var e=0;e<t.length&&t[e]();++e);return e-1}(this.itemsToPoll.map((function(t){return t.isDoneFn}))),e=0;e<=t;++e)(0,this.itemsToPoll[e].resolveFn)();this.itemsToPoll=this.itemsToPoll.slice(t+1)},t.prototype.addItemToPoll=function(t,e){var n=this;this.itemsToPoll.push({isDoneFn:t,resolveFn:e}),this.itemsToPoll.length>1||F((function(){return n.pollItems(),0===n.itemsToPoll.length}))},t.prototype.bindTextureToFrameBuffer=function(t){this.throwIfDisposed(),me(this.gl,this.debug,t,this.framebuffer),this.debug&&ye(this.gl)},t.prototype.unbindTextureToFrameBuffer=function(){null!=this.outputTexture?(me(this.gl,this.debug,this.outputTexture,this.framebuffer),this.debug&&ye(this.gl)):ge(this.gl,this.debug,this.framebuffer)},t.prototype.downloadMatrixDriver=function(t,e){this.bindTextureToFrameBuffer(t);var n=e();return this.unbindTextureToFrameBuffer(),n},t.prototype.setOutputMatrixTextureDriver=function(t,e,n){this.throwIfDisposed();var r=this.gl;me(r,this.debug,t,this.framebuffer),this.debug&&ye(r),this.outputTexture=t,Xt(r,this.debug,(function(){return r.viewport(0,0,e,n)})),Xt(r,this.debug,(function(){return r.scissor(0,0,e,n)}))},t.prototype.setOutputMatrixWriteRegionDriver=function(t,e,n,r){var o=this;this.throwIfDisposed(),Xt(this.gl,this.debug,(function(){return o.gl.scissor(t,e,n,r)}))},t.prototype.throwIfDisposed=function(){if(this.disposed)throw new Error("Attempted to use disposed GPGPUContext.")},t.prototype.throwIfNoProgram=function(){if(null==this.program)throw new Error("No GPU program is currently set.")},t}();function Gi(t,e){if(t.length!==e.length)throw Error("Binary was compiled with "+t.length+" inputs, but was executed with "+e.length+" inputs");t.forEach((function(t,n){var r=t.logicalShape,o=e[n],i=o.shape;if(!A(r,i))throw Error("Binary was compiled with different shapes than the current args. Shapes "+r+" and "+i+" must match");if(!t.isUniform||!o.isUniform){var a=t.texShape,s=o.isUniform?null:o.texData.texShape;if(!A(a,s))throw Error("Binary was compiled with different texture shapes than the current args. Shape "+a+" and "+s+" must match")}}))}var Hi=function(t,e,n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t;for(var r=n.filterWidth,o=n.inChannels,i=n.strideWidth,a=n.strideHeight,s=n.padInfo,u=n.outWidth,c=n.dilationWidth,l=n.dilationHeight,h=n.dataFormat,f=s.left,p=s.top,d=o*r,v=wo(),m="channelsLast"===h,g=m?0:1,y=m?1:2,b="",x=0;x<=1;x++)for(var w=0;w<=1;w++)b+="\n blockIndex = rc.y + "+w+";\n pos = rc.x + "+x+";\n\n if(blockIndex < "+t[1]+" && pos < "+t[0]+") {\n offsetY = int(blockIndex / ("+u+")) * "+a+" - "+p+";\n d0 = offsetY + "+l+" * (pos / "+d+");\n\n if(d0 < "+e[g]+" && d0 >= 0) {\n\n offsetX = int(mod(float(blockIndex), "+u+".) * "+i+". - "+f+".);\n d1 = offsetX + "+c+" * (int(mod(float(pos), "+d+".) / "+o+".));\n\n if(d1 < "+e[y]+" && d1 >= 0) {\n\n ch = int(mod(float(pos), "+o+".));\n\n if ("+m+") {\n innerDims = vec2(d1, ch);\n result["+(2*x+w)+"] = getChannel(\n getA(d0, int(innerDims.x),\n int(innerDims.y)), innerDims);\n } else {\n innerDims = vec2(d0, d1);\n result["+(2*x+w)+"] = getChannel(\n getA(ch, int(innerDims.x),\n int(innerDims.y)), innerDims);\n }\n }\n }\n }\n ";this.userCode="\n void main() {\n ivec2 rc = getOutputCoords();\n\n vec4 result = vec4(0);\n\n int blockIndex, pos, offsetY, d0, offsetX, d1, ch;\n vec2 innerDims;\n\n "+b+"\n\n "+v.output+" = result;\n }\n "},qi=function(t,e,n,r,o){this.variableNames=["x"],this.outputShape=[];var i,a=e,s=t[3]-1;this.outputShape=t;var u="float("+n+") + float("+r+") * sum";i=.5===o?"inversesqrt("+u+")":1===o?"1.0/("+u+")":"exp(log("+u+") * float(-"+o+"));",this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int r = coords[1];\n int c = coords[2];\n int d = coords[3];\n float x = getX(b, r, c, d);\n float sum = 0.0;\n for (int j = -"+a+"; j <= "+a+"; j++) {\n int idx = d + j;\n if (idx >= 0 && idx <= "+s+") {\n float z = getX(b, r, c, idx);\n sum += z * z;\n }\n }\n float val = x * "+i+";\n setOutput(val);\n }\n "},Ki=function(t,e,n,r,o){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=t,this.depth=t[3],this.depthRadius=e,this.bias=n,this.alpha=r,this.beta=o,this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int r = coords[1];\n int c = coords[2];\n\n float result = 0.0;\n for (int d = 0; d < "+this.depth+"; ++d) {\n int depthBegin = int(max(0.0, float(d - "+e+")));\n int depthEnd = int(min(float("+this.depth+"),\n float(d + "+e+" + 1)));\n\n const int MIN_DEPTH_BEGIN = 0;\n const int MAX_DEPTH_END = "+this.depth+";\n\n float norm = 0.0;\n for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {\n if (k < depthBegin){\n continue;\n }\n else if (k >= depthBegin && k < depthEnd) {\n norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);\n }\n else {\n break;\n }\n }\n\n norm = float("+r+") * norm + float("+n+");\n\n for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){\n if (k < depthBegin){\n continue;\n }\n else if (k >= depthBegin && k < depthEnd){\n float dyi = -2.0 * float("+r+")\n * float("+o+")\n * getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)\n / norm;\n if (k == d) {\n dyi += pow(norm, -1.0 * "+o+");\n }\n if (k == coords[3]) {\n dyi *= getDy(b, r, c, d);\n result += dyi;\n }\n }\n else {\n break;\n }\n }\n }\n setOutput(result);\n }\n "},Xi=function(t,e,n,r,o){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;var i,a=e,s=t[3]-1;this.outputShape=t;var u="float("+n+") + float("+r+") * sum";i=.5===o?"inversesqrt("+u+")":1===o?"1.0/("+u+")":"exp(log("+u+") * float(-"+o+"));",this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords.x;\n int r = coords.y;\n int c = coords.z;\n int d = coords.w;\n\n bool hasNextCol = d < "+this.outputShape[3]+";\n bool hasNextRow = c < "+this.outputShape[2]+";\n\n vec4 sum = vec4(0.);\n vec4 xFragAtOutputCoords = getX(b, r, c, d);\n\n vec4 xAtOutputCoords = vec4(\n getChannel(xFragAtOutputCoords, vec2(c, d)),\n hasNextCol ?\n getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,\n hasNextRow ?\n getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,\n (hasNextRow && hasNextCol) ?\n getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0\n );\n\n int firstChannel = d - "+a+";\n vec2 cache = vec2(0.);\n if(firstChannel >= 0){\n vec4 firstChannelFrag = getX(b, r, c, firstChannel);\n cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));\n if(hasNextRow){\n cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));\n }\n }\n\n ivec2 depth = ivec2(d, d + 1);\n for (int j = - "+a+"; j <= "+a+"; j++) {\n ivec2 idx = depth + j;\n bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));\n bvec2 belowUpperBound = lessThanEqual(idx, ivec2("+s+"));\n\n bool depthInRange = aboveLowerBound.x && belowUpperBound.x;\n bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;\n\n if(depthInRange || depthPlusOneInRange){\n vec4 z = vec4(0.);\n vec4 xFragAtCurrentDepth;\n z.xz = cache.xy;\n if(depthPlusOneInRange && hasNextCol){\n xFragAtCurrentDepth = idx.y != d ?\n getX(b, r, c, idx.y) : xFragAtOutputCoords;\n z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));\n if(hasNextRow){\n z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));\n }\n }\n cache.xy = z.yw;\n sum += z * z;\n }\n }\n vec4 result = xAtOutputCoords * "+i+";\n setOutput(result);\n }\n "},Yi=function(t){this.variableNames=["dy","maxPos"],this.outputShape=t.inShape;var e=t.strideHeight,n=t.strideWidth,r=t.dilationHeight,o=t.effectiveFilterHeight,i=t.effectiveFilterWidth,a=o-1-t.padInfo.top,s=i-1-t.padInfo.left,u=o*i-1;this.userCode="\n const ivec2 pads = ivec2("+a+", "+s+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n\n ivec2 dyRCCorner = coords.yz - pads;\n int dyRCorner = dyRCCorner.x;\n int dyCCorner = dyRCCorner.y;\n\n // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n for (int wR = 0; wR < "+o+";\n wR += "+r+") {\n float dyR = float(dyRCorner + wR) / "+e+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 || fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n for (int wC = 0; wC < "+i+"; wC++) {\n float dyC = float(dyCCorner + wC) / "+n+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n float dyValue = getDy(b, idyR, idyC, d);\n int maxPosValue = "+u+" - int(getMaxPos(b, idyR, idyC, d));\n\n // Get the current value, check it against the value from the\n // position matrix.\n int curPosValue = wR * "+i+" + wC;\n float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n dotProd += dyValue * mask;\n }\n }\n setOutput(dotProd);\n }\n "},$i=function(t){this.variableNames=["dy","maxPos"],this.outputShape=t.inShape;var e=t.strideDepth,n=t.strideHeight,r=t.strideWidth,o=t.dilationDepth,i=t.dilationHeight,a=t.dilationWidth,s=t.effectiveFilterDepth,u=t.effectiveFilterHeight,c=t.effectiveFilterWidth,l=s-1-t.padInfo.front,h=u-1-t.padInfo.top,f=c-1-t.padInfo.left,p=s*u*c-1;this.userCode="\n const ivec3 pads = ivec3("+l+", "+h+", "+f+");\n\n void main() {\n ivec5 coords = getOutputCoords();\n int batch = coords.x;\n int ch = coords.u;\n\n ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n int dyDCorner = dyCorner.x;\n int dyRCorner = dyCorner.y;\n int dyCCorner = dyCorner.z;\n\n // Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get\n // dx(xD, xR, xC, ch).\n // ? = to be determined. : = across all values in that axis.\n float dotProd = 0.0;\n\n for (int wD = 0; wD < "+s+";\n wD += "+o+") {\n float dyD = float(dyDCorner + wD) / "+e+".0;\n\n if (dyD < 0.0 || dyD >= "+t.outDepth+".0 || fract(dyD) > 0.0) {\n continue;\n }\n int idyD = int(dyD);\n\n for (int wR = 0; wR < "+u+";\n wR += "+i+") {\n float dyR = float(dyRCorner + wR) / "+n+".0;\n\n if (dyR < 0.0 || dyR >= "+t.outHeight+".0 ||\n fract(dyR) > 0.0) {\n continue;\n }\n int idyR = int(dyR);\n\n for (int wC = 0; wC < "+c+";\n wC += "+a+") {\n float dyC = float(dyCCorner + wC) / "+r+".0;\n\n if (dyC < 0.0 || dyC >= "+t.outWidth+".0 ||\n fract(dyC) > 0.0) {\n continue;\n }\n int idyC = int(dyC);\n\n float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n int maxPosValue = "+p+" -\n int(getMaxPos(batch, idyD, idyR, idyC, ch));\n\n // Get the current value, check it against the value from the\n // position matrix.\n int curPosValue =\n wD * "+u+" * "+c+" +\n wR * "+c+" + wC;\n float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n dotProd += dyValue * mask;\n }\n }\n }\n setOutput(dotProd);\n }\n "},Ji=function(t,e,n,r,o,i,a){void 0===n&&(n=!1),void 0===r&&(r=!1),void 0===o&&(o=!1),void 0===i&&(i=null),void 0===a&&(a=!1),this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;var s=n?t[1]:t[2],u=Math.ceil(s/2),c=n?"i * 2, rc.y":"rc.y, i * 2",l=r?"rc.z, i * 2":"i * 2, rc.z",h=n?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],f=r?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],p="",d="";i&&(p=a?"vec4 activation(vec4 a) {\n vec4 b = getPreluActivationWeightsAtOutCoords();\n "+i+"\n }":"vec4 activation(vec4 x) {\n "+i+"\n }",d="result = activation(result);");var v=o?"result += getBiasAtOutCoords();":"";o&&this.variableNames.push("bias"),a&&this.variableNames.push("preluActivationWeights"),this.userCode="\n "+p+"\n\n const float sharedDimension = "+u+".0;\n\n vec4 dot2x2ARowBCol(ivec3 rc) {\n vec4 result = vec4(0);\n for (int i = 0; i < "+u+"; i++) {\n vec4 a = getMatrixA(rc.x, "+c+");\n vec4 b = getMatrixB(rc.x, "+l+");\n\n // These swizzled products need to be separately added.\n // See: https://github.com/tensorflow/tfjs/issues/1735\n result += ("+h[0]+" * "+f[0]+");\n result += ("+h[1]+" * "+f[1]+");\n }\n return result;\n }\n\n void main() {\n ivec3 rc = getOutputCoords();\n vec4 result = dot2x2ARowBCol(rc);\n\n "+v+"\n\n "+d+"\n\n setOutput(result);\n }\n "},Qi=function(){function t(t,e,n){this.variableNames=["probs"],this.outputShape=[t,n],this.userCode="\n uniform float seed;\n\n void main() {\n ivec2 coords = getOutputCoords();\n int batch = coords[0];\n\n float r = random(seed);\n float cdf = 0.0;\n\n for (int i = 0; i < "+(e-1)+"; i++) {\n cdf += getProbs(batch, i);\n\n if (r < cdf) {\n setOutput(float(i));\n return;\n }\n }\n\n // If no other event happened, last event happened.\n setOutput(float("+(e-1)+"));\n }\n "}return t.prototype.getCustomSetupFunc=function(t){var e=this;return function(n,r){null==e.seedLoc&&(e.seedLoc=n.getUniformLocation(r,"seed")),n.gl.uniform1f(e.seedLoc,t)}},t}(),Zi=function(t,e,n,r){this.variableNames=["indices"],this.outputShape=[t,e],this.userCode="\n void main() {\n ivec2 coords = getOutputCoords();\n int index = round(getIndices(coords.x));\n setOutput(mix(float("+r+"), float("+n+"),\n float(index == coords.y)));\n }\n "},ta=function(t){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outputShape=t;var e=t.length;if(0===e)this.userCode="\n void main() {\n setOutput(vec4(getA(), 0., 0., 0.));\n }\n ";else{var n=xo("rc",e),r=Oo(e),o=function(t,e,n){if(1===t)return"rc > "+e[0];for(var r="",o=t-2;o<t;o++)r+=n[o]+" >= "+e[o],o<t-1&&(r+="||");return r}(e,t,n),i=function(t,e,n,r){if(1===t)return"";var o=r.slice(-2);return"\n int r = "+o[0]+";\n int c = "+o[1]+";\n int rp1 = r + 1;\n int cp1 = c + 1;\n\n bool cEdge = cp1 >= "+e+";\n bool rEdge = rp1 >= "+n+";\n "}(e,t[t.length-1],t[t.length-2],n),a=function(t,e){var n=t.length,r=function(t,e){for(var n=[],r=0;r<=1;r++)for(var o=0;o<=1;o++){for(var i=(0===r?"r":"rp1")+", "+(0===o?"c":"cp1"),a=2;a<t;a++)i=e[e.length-1-a]+","+i;n.push(i)}return n}(n,e);return 1===n?"getA(rc),\n rc + 1 >= "+t[0]+" ? 0. : getA(rc + 1),\n 0, 0":"getA("+r[0]+"),\n cEdge ? 0. : getA("+r[1]+"),\n rEdge ? 0. : getA("+r[2]+"),\n rEdge || cEdge ? 0. : getA("+r[3]+")"}(t,n);this.userCode="\n void main() {\n "+r+" rc = getOutputCoords();\n\n if("+o+") {\n setOutput(vec4(0));\n } else {\n "+i+"\n\n setOutput(vec4("+a+"));\n }\n }\n "}},ea=function(t,e,n){this.variableNames=["x"],this.outputShape=e.map((function(e,n){return e[0]+t[n]+e[1]}));var r=t.length,o=Oo(r),i=e.map((function(t){return t[0]})).join(","),a=e.map((function(e,n){return e[0]+t[n]})).join(","),s=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r);this.userCode=1!==r?"\n "+o+" start = "+o+"("+i+");\n "+o+" end = "+o+"("+a+");\n\n void main() {\n "+o+" outC = getOutputCoords();\n if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {\n setOutput(float("+n+"));\n } else {\n "+o+" coords = outC - start;\n setOutput(getX("+s+"));\n }\n }\n ":"\n int start = "+i+";\n int end = "+a+";\n\n void main() {\n int outC = getOutputCoords();\n if (outC < start || outC >= end) {\n setOutput(float("+n+"));\n } else {\n setOutput(getX(outC - start));\n }\n }\n "},na=function(t,e,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e.map((function(e,n){return e[0]+t[n]+e[1]}));for(var r=t.length,o=Oo(r),i=e.map((function(t){return t[0]})).join(","),a=e.map((function(e,n){return e[0]+t[n]})).join(","),s=xo("rc",r),u=xo("source",r),c=s[r-1]+" < "+this.outputShape[r-1],l=1===r?"source":"vec2("+u.slice(-2).join()+")",h=[o+" rc = outputLoc;",s[r-1]+" += 1;\n if("+c+") {\n ",1===r?"":"}\n rc = outputLoc;\n "+s[r-2]+" += 1;\n if("+s[r-2]+" < "+this.outputShape[r-2]+") {",1===r?"":" "+s[r-1]+" += 1;\n if("+c+") {"],f=1===r?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",p="",d=0,v=1===r?2:4;d<v;d++)p+="\n "+h[d]+"\n if ("+f+") {\n result["+d+"] = float("+n+");\n } else {\n "+o+" source = rc - start;\n result["+d+"] = getChannel(getX("+u.join()+"), "+l+");\n }\n ";p+=1===r?"} ":"}}",this.userCode="\n const "+o+" start = "+o+"("+i+");\n const "+o+" end = "+o+"("+a+");\n\n void main() {\n "+o+" outputLoc = getOutputCoords();\n vec4 result = vec4(0.);\n "+p+"\n setOutput(result);\n }\n "},ra=function(t,e,n){if(this.variableNames=["x"],"avg"===e&&n)throw new Error("Cannot compute positions for average pool.");var r=t.filterWidth,o=t.strideHeight,i=t.strideWidth,a=t.dilationHeight,s=t.dilationWidth,u=t.effectiveFilterHeight,c=t.effectiveFilterWidth,l=t.padInfo.top,h=t.padInfo.left;this.outputShape=t.outShape;var f="avg"===e,p="0.0";if(f||(p="-1.0 / 1e-20"),n)this.userCode="\n const ivec2 strides = ivec2("+o+", "+i+");\n const ivec2 pads = ivec2("+l+", "+h+");\n\n void main() {\n ivec4 coords = getOutputCoords();\n int batch = coords[0];\n int d = coords[3];\n\n ivec2 xRCCorner = coords.yz * strides - pads;\n int xRCorner = xRCCorner.x;\n int xCCorner = xRCCorner.y;\n\n // max/min x(?, ?, d) to get y(yR, yC, d).\n // ? = to be determined\n float minMaxValue = 0.0;\n float minMaxValueFound = 0.0;\n int minMaxPosition = 0;\n float avgValue = 0.0;\n\n for (int wR = 0; wR < "+u+";\n wR += "+a+") {\n int xR = xRCorner + wR;\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int wC = 0; wC < "+c+";\n wC += "+s+") {\n int xC = xCCorner + wC;\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n float value = getX(batch, xR, xC, d);\n\n // If a min / max value has already been found, use it. If not,\n // use the current value.\n float currMinMaxValue = mix(\n value, minMaxValue, minMaxValueFound);\n if (value >= currMinMaxValue) {\n minMaxValue = value;\n minMaxValueFound = 1.0;\n minMaxPosition = wR * "+c+" + wC;\n }\n }\n }\n setOutput(float(minMaxPosition));\n }\n ";else{var d=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===e&&(d="avgValue / count");var v=4*Math.floor(r/4),m=r%4,g="\n if ("+f+") {\n avgValue += dot(values, ones);\n } else {\n minMaxValue = max(values, minMaxValue);\n }\n ";this.userCode="\n const ivec2 strides = ivec2("+o+", "+i+");\n const ivec2 pads = ivec2("+l+", "+h+");\n const float initializationValue = "+p+";\n const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n float count = 0.0;\n\n float getValue(int batch, int xR, int xC, int d) {\n if (xC < 0 || xC >= "+t.inWidth+") {\n return initializationValue;\n }\n count += 1.0;\n return getX(batch, xR, xC, d);\n }\n\n void main() {\n ivec4 coords = getOutputCoords();\n int batch = coords[0];\n int d = coords[3];\n\n ivec2 xRCCorner = coords.yz * strides - pads;\n int xRCorner = xRCCorner.x;\n int xCCorner = xRCCorner.y;\n\n // max/min x(?, ?, d) to get y(yR, yC, d).\n // ? = to be determined\n vec4 minMaxValue = vec4("+p+");\n float avgValue = 0.0;\n count = 0.0;\n\n for (int wR = 0; wR < "+u+";\n wR += "+a+") {\n int xR = xRCorner + wR;\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int wC = 0; wC < "+v+"; wC += 4) {\n int xC = xCCorner + wC * "+s+";\n\n vec4 values = vec4(\n getValue(batch, xR, xC, d),\n getValue(batch, xR, xC + "+s+", d),\n getValue(batch, xR, xC + 2 * "+s+", d),\n getValue(batch, xR, xC + 3 * "+s+", d)\n );\n\n "+g+"\n }\n\n int xC = xCCorner + "+v+";\n if ("+(1===m)+") {\n vec4 values = vec4(\n getValue(batch, xR, xC, d),\n initializationValue,\n initializationValue,\n initializationValue\n );\n\n "+g+"\n } else if ("+(2===m)+") {\n vec4 values = vec4(\n getValue(batch, xR, xC, d),\n getValue(batch, xR, xC + "+s+", d),\n initializationValue,\n initializationValue\n );\n\n "+g+"\n } else if ("+(3===m)+") {\n vec4 values = vec4(\n getValue(batch, xR, xC, d),\n getValue(batch, xR, xC + "+s+", d),\n getValue(batch, xR, xC + 2 * "+s+", d),\n initializationValue\n );\n\n "+g+"\n }\n }\n setOutput("+d+");\n }\n "}},oa=function(t,e,n){if(this.variableNames=["x"],"avg"===e&&n)throw new Error("Cannot compute positions for average pool.");var r=t.filterWidth,o=t.strideDepth,i=t.strideHeight,a=t.strideWidth,s=t.dilationDepth,u=t.dilationHeight,c=t.dilationWidth,l=t.effectiveFilterDepth,h=t.effectiveFilterHeight,f=t.effectiveFilterWidth,p=t.padInfo.front,d=t.padInfo.top,v=t.padInfo.left;this.outputShape=t.outShape;var m="avg"===e,g="0.0";if(m||(g="-1.0 / 1e-20"),n)this.userCode="\n const ivec3 strides =\n ivec3("+o+", "+i+", "+a+");\n const ivec3 pads = ivec3("+p+", "+d+", "+v+");\n\n void main() {\n ivec5 coords = getOutputCoords();\n int batch = coords.x;\n int ch = coords.u;\n\n ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n int xDCorner = xCorner.x;\n int xRCorner = xCorner.y;\n int xCCorner = xCorner.z;\n\n // max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).\n // ? = to be determined\n float minMaxValue = 0.0;\n float minMaxValueFound = 0.0;\n int minMaxPosition = 0;\n\n for (int wD = 0; wD < "+l+";\n wD += "+s+") {\n int xD = xDCorner + wD;\n\n if (xD < 0 || xD >= "+t.inDepth+") {\n continue;\n }\n\n for (int wR = 0; wR < "+h+";\n wR += "+u+") {\n int xR = xRCorner + wR;\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int wC = 0; wC < "+f+";\n wC += "+c+") {\n int xC = xCCorner + wC;\n\n if (xC < 0 || xC >= "+t.inWidth+") {\n continue;\n }\n\n float value = getX(batch, xD, xR, xC, ch);\n\n // If a min / max value has already been found, use it. If not,\n // use the current value.\n float currMinMaxValue = mix(\n value, minMaxValue, minMaxValueFound);\n if (value >= currMinMaxValue) {\n minMaxValue = value;\n minMaxValueFound = 1.0;\n minMaxPosition =\n wD * "+h+" * "+f+" +\n wR * "+f+" + wC;;\n }\n }\n }\n }\n setOutput(float(minMaxPosition));\n }\n ";else{var y=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===e&&(y="avgValue / count");var b=4*Math.floor(r/4),x=r%4,w="\n if ("+m+") {\n avgValue += dot(values, ones);\n } else {\n minMaxValue = max(values, minMaxValue);\n }\n ";this.userCode="\n const ivec3 strides =\n ivec3("+o+", "+i+", "+a+");\n const ivec3 pads = ivec3("+p+", "+d+", "+v+");\n const float initializationValue = "+g+";\n const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n float count = 0.0;\n\n float getValue(int batch, int xD, int xR, int xC, int ch) {\n if (xC < 0 || xC >= "+t.inWidth+") {\n return initializationValue;\n }\n count += 1.0;\n return getX(batch, xD, xR, xC, ch);\n }\n\n void main() {\n ivec5 coords = getOutputCoords();\n int batch = coords.x;\n int ch = coords.u;\n\n ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n int xDCorner = xCorner.x;\n int xRCorner = xCorner.y;\n int xCCorner = xCorner.z;\n\n // max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).\n // ? = to be determined\n vec4 minMaxValue = vec4("+g+");\n float avgValue = 0.0;\n count = 0.0;\n\n for (int wD = 0; wD < "+l+";\n wD += "+s+") {\n int xD = xDCorner + wD;\n\n if (xD < 0 || xD >= "+t.inDepth+") {\n continue;\n }\n\n for (int wR = 0; wR < "+h+";\n wR += "+u+") {\n int xR = xRCorner + wR;\n\n if (xR < 0 || xR >= "+t.inHeight+") {\n continue;\n }\n\n for (int wC = 0; wC < "+b+"; wC += 4) {\n int xC = xCCorner + wC * "+c+";\n\n vec4 values = vec4(\n getValue(batch, xD, xR, xC, ch),\n getValue(batch, xD, xR, xC + "+c+", ch),\n getValue(batch, xD, xR, xC + 2 * "+c+", ch),\n getValue(batch, xD, xR, xC + 3 * "+c+", ch)\n );\n\n "+w+"\n }\n\n int xC = xCCorner + "+b+";\n if ("+(1===x)+") {\n vec4 values = vec4(\n getValue(batch, xD, xR, xC, ch),\n initializationValue,\n initializationValue,\n initializationValue\n );\n\n "+w+"\n } else if ("+(2===x)+") {\n vec4 values = vec4(\n getValue(batch, xD, xR, xC, ch),\n getValue(batch, xD, xR, xC + "+c+", ch),\n initializationValue,\n initializationValue\n );\n\n "+w+"\n } else if ("+(3===x)+") {\n vec4 values = vec4(\n getValue(batch, xD, xR, xC, ch),\n getValue(batch, xD, xR, xC + "+c+", ch),\n getValue(batch, xD, xR, xC + 2 * "+c+", ch),\n initializationValue\n );\n\n "+w+"\n }\n }\n setOutput("+y+");\n }\n }\n "}},ia=function(t,e){this.variableNames=["x"];var n=t.windowSize,r=t.batchSize,o=t.inSize,i=Math.ceil(o/n);this.outputShape=[r,i];var a="0.0",s="";"prod"===e?a="1.0":"min"===e?(a="1.0 / 1e-20",s="min"):"max"===e&&(a="-1.0 / 1e-20",s="max");var u=e+"("+e+"("+e+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"sum"===e?u="sumValue":"prod"===e?u="prodValue":"all"===e?u="allValue":"any"===e&&(u="anyValue");var c=4*Math.floor(n/4),l=n%4,h="\n if ("+("sum"===e)+") {\n sumValue += dot(values, ones);\n } else if ("+("prod"===e)+") {\n vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);\n prodValue *= tmp[0] * tmp[1];\n } else {\n minMaxValue = "+s+"(values, minMaxValue);\n }\n ",f="vec4";"all"===e?(a="1.0",h="\n bool reducedAllValue = all(values);\n float floatedReducedAllValue = float(reducedAllValue);\n allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);\n ",f="bvec4"):"any"===e&&(a="0.0",h="\n bool reducedAnyValue = any(values);\n float floatedReducedAnyValue = float(reducedAnyValue);\n anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);\n ",f="bvec4");var p="";o%n>0&&(p="\n if (inIdx < 0 || inIdx >= "+o+") {\n return initializationValue;\n }\n "),this.userCode="\n const float initializationValue = "+a+";\n const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n float getValue(int batch, int inIdx) {\n "+p+"\n return getX(batch, inIdx);\n }\n\n void main() {\n ivec2 coords = getOutputCoords();\n int batch = coords[0];\n int outIdx = coords[1];\n int inOffset = outIdx * "+n+";\n\n vec4 minMaxValue = vec4("+a+");\n float prodValue = 1.0;\n float sumValue = 0.0;\n float allValue = 1.0;\n float anyValue = 0.0;\n\n for (int i = 0; i < "+c+"; i += 4) {\n int inIdx = inOffset + i;\n "+f+" values = "+f+"(\n getValue(batch, inIdx),\n getValue(batch, inIdx + 1),\n getValue(batch, inIdx + 2),\n getValue(batch, inIdx + 3)\n );\n\n "+h+"\n }\n\n int inIdx = inOffset + "+c+";\n if ("+(1===l)+") {\n "+f+" values = "+f+"(\n getValue(batch, inIdx),\n initializationValue,\n initializationValue,\n initializationValue\n );\n\n "+h+"\n } else if ("+(2===l)+") {\n "+f+" values = "+f+"(\n getValue(batch, inIdx),\n getValue(batch, inIdx + 1),\n initializationValue,\n initializationValue\n );\n\n "+h+"\n } else if ("+(3===l)+") {\n "+f+" values = "+f+"(\n getValue(batch, inIdx),\n getValue(batch, inIdx + 1),\n getValue(batch, inIdx + 2),\n initializationValue\n );\n\n "+h+"\n }\n setOutput("+u+");\n }\n "},aa=function(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t;for(var n="",r=0;r<4;r++){var o="thisRC = rc;";r%2==1&&(o+="thisRC.z += 1;"),r>1&&(o+="thisRC.y += 1;"),n+="\n "+o+"\n "+(r>0?"if(thisRC.y < rows && thisRC.z < cols){":"")+"\n int flatIndex = getFlatIndex(thisRC);\n\n ivec3 inputRC = inputCoordsFromReshapedOutCoords(flatIndex);\n vec2 inputRCInnerDims = vec2(float(inputRC.y),float(inputRC.z));\n\n result["+r+"] =\n getChannel(getA(inputRC.x, inputRC.y, inputRC.z), inputRCInnerDims);\n "+(r>0?"}":"")+"\n "}this.userCode="\n \n ivec3 inputCoordsFromReshapedOutCoords(int index) {\n "+Eo(["r","c","d"],e)+"\n return ivec3(r, c, d);\n }\n \n "+Co(t)+"\n\n void main() {\n ivec3 rc = getOutputCoords();\n\n vec4 result = vec4(0.);\n\n ivec3 thisRC;\n int rows = "+t[1]+";\n int cols = "+t[2]+";\n\n "+n+"\n\n setOutput(result);\n }\n "},sa=function(t,e,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=e.shape;var r=e.shape,o=r[1],i=r[2],a=t.shape,s=a[1],u=a[2],c=[n&&s>1?o-1:o,n&&u>1?i-1:i],l=[n&&s>1?s-1:s,n&&u>1?u-1:u],h=c[0]/l[0],f=c[1]/l[1],p=1/h,d=1/f,v=2*Math.ceil(p)+2,m=2*Math.ceil(d)+2;this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n int r = coords[1];\n int c = coords[2];\n\n float accumulator = 0.0;\n\n const float heightScale = float("+h+");\n const float widthScale = float("+f+");\n\n const float invHeightScale = float("+p+");\n const float invWidthScale = float("+d+");\n\n const int winHeight = int("+v+");\n const int winWidth = int("+m+");\n\n // Compute bounds for where in dy we will look\n float startRLerp = floor(float(r) * invHeightScale);\n int startDyR = int(startRLerp - float(winHeight / 2));\n\n float startCLerp = floor(float(c) * invWidthScale);\n int startDyC = int(startCLerp - float(winWidth / 2));\n\n // Loop over dy\n for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n int dyR = dyROffset + startDyR;\n\n // Guard against the window exceeding the bounds of dy\n if (dyR < 0 || dyR >= "+s+") {\n continue;\n }\n\n for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n int dyC = dyCOffset + startDyC;\n\n // Guard against the window exceeding the bounds of dy\n if (dyC < 0 || dyC >= "+u+") {\n continue;\n }\n\n float dxR = float(dyR) * heightScale;\n int topDxRIndex = int(floor(dxR));\n int bottomDxRIndex = int(min(ceil(dxR), "+(o-1)+".0));\n float dxRLerp = dxR - float(topDxRIndex);\n float inverseDxRLerp = 1.0 - dxRLerp;\n\n float dxC = float(dyC) * widthScale;\n int leftDxCIndex = int(floor(dxC));\n int rightDxCIndex = int(min(ceil(dxC), "+(i-1)+".0));\n float dxCLerp = dxC - float(leftDxCIndex);\n float inverseDxCLerp = 1.0 - dxCLerp;\n\n if (r == topDxRIndex && c == leftDxCIndex) {\n // topLeft\n accumulator +=\n getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;\n }\n\n if (r == topDxRIndex && c == rightDxCIndex) {\n // topRight\n accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;\n }\n\n if (r == bottomDxRIndex && c == leftDxCIndex) {\n // bottomLeft\n accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;\n }\n\n if (r == bottomDxRIndex && c == rightDxCIndex) {\n // bottomRight\n accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;\n }\n }\n }\n // End loop over dy\n\n setOutput(accumulator);\n }\n "},ua=function(t,e,n,r){this.variableNames=["A"],this.outputShape=[];var o=t[0],i=t[1],a=t[2],s=t[3];this.outputShape=[o,e,n,s];var u=[r&&e>1?i-1:i,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n];this.userCode="\n const vec2 effectiveInputOverOutputRatioRC = vec2(\n "+u[0]/c[0]+",\n "+u[1]/c[1]+");\n const vec2 inputShapeRC = vec2("+i+".0, "+a+".0);\n\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n ivec2 yRC = coords.yz;\n\n // Fractional source index.\n vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;\n\n // Compute the four integer indices.\n ivec2 sourceFloorRC = ivec2(sourceFracIndexRC);\n ivec2 sourceCeilRC = ivec2(\n min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);\n float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);\n float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);\n float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);\n\n vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);\n\n float top = topLeft + (topRight - topLeft) * fracRC.y;\n float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;\n float newValue = top + (bottom - top) * fracRC.x;\n\n setOutput(newValue);\n }\n "},ca=function(t,e,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];var o=t[0],i=t[1],a=t[2],s=t[3];this.outputShape=[o,e,n,s];var u=[r&&e>1?i-1:i,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n];this.userCode="\n const vec3 effectiveInputOverOutputRatioRC = vec3(\n "+u[0]/c[0]+",\n "+u[1]/c[1]+",\n "+u[1]/c[1]+");\n const vec3 inputShapeRC = vec3("+i+".0, "+a+".0,\n "+a+".0);\n\n float getAValue(int b, int r, int c, int d) {\n return getChannel(getA(b, r, c, d), vec2(c, d));\n }\n\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n // Calculate values for next column in yRC.z.\n ivec3 yRC = coords.yzz + ivec3(0, 0, 1);\n\n // Fractional source index.\n vec3 sourceFracIndexRC = vec3(yRC) * effectiveInputOverOutputRatioRC;\n\n // Compute the four integer indices.\n ivec3 sourceFloorRC = ivec3(sourceFracIndexRC);\n ivec3 sourceCeilRC = ivec3(\n min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n // Should we calculate next column and row elements in 2x2 packed cell.\n bool hasNextCol = d < "+(s-1)+";\n bool hasNextRow = coords.z < "+(n-1)+";\n\n // In parallel, construct four corners for all four components in\n // packed 2x2 cell.\n vec4 topLeft = vec4(\n getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),\n hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)\n : 0.0,\n hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)\n : 0.0,\n (hasNextRow && hasNextCol) ?\n getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n vec4 bottomLeft = vec4(\n getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),\n hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)\n : 0.0,\n hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)\n : 0.0,\n (hasNextRow && hasNextCol) ?\n getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n vec4 topRight = vec4(\n getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),\n hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)\n : 0.0,\n hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)\n : 0.0,\n (hasNextRow && hasNextCol) ?\n getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n vec4 bottomRight = vec4(\n getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),\n hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)\n : 0.0,\n hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)\n : 0.0,\n (hasNextRow && hasNextCol) ?\n getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);\n\n vec4 top = mix(topLeft, topRight, fracRC.yyzz);\n vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);\n vec4 newValue = mix(top, bottom, fracRC.x);\n\n setOutput(newValue);\n }\n "},la=function(t,e,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=e.shape;var r=e.shape,o=r[1],i=r[2],a=t.shape,s=a[1],u=a[2],c=[n&&s>1?o-1:o,n&&u>1?i-1:i],l=[n&&s>1?s-1:s,n&&u>1?u-1:u],h=c[0]/l[0],f=c[1]/l[1],p=1/h,d=1/f,v=2*Math.ceil(p)+2,m=2*Math.ceil(d)+2;this.userCode="\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n int r = coords[1];\n int c = coords[2];\n\n float accumulator = 0.0;\n\n const float heightScale = float("+h+");\n const float widthScale = float("+f+");\n\n const float invHeightScale = float("+p+");\n const float invWidthScale = float("+d+");\n\n const int winHeight = int("+v+");\n const int winWidth = int("+m+");\n\n // Compute bounds for where in dy we will look\n float startRLerp = floor(float(r) * invHeightScale);\n int startDyR = int(floor(startRLerp - float(winHeight / 2)));\n\n float startCLerp = floor(float(c) * invWidthScale);\n int startDyC = int(floor(startCLerp - float(winWidth / 2)));\n\n // Loop over dy\n for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n int dyR = dyROffset + startDyR;\n\n // Guard against the window exceeding the bounds of dy\n if (dyR < 0 || dyR >= "+s+") {\n continue;\n }\n\n for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n int dyC = dyCOffset + startDyC;\n\n // Guard against the window exceeding the bounds of dy\n if (dyC < 0 || dyC >= "+u+") {\n continue;\n }\n\n float sourceFracRow =\n float("+c[0]+") *\n (float(dyR) / float("+l[0]+"));\n\n float sourceFracCol =\n float("+c[1]+") *\n (float(dyC) / float("+l[1]+"));\n\n int sourceNearestRow = int(min(\n float(int("+o+") - 1),\n "+n+" ? float(round(sourceFracRow)) :\n float(floor(sourceFracRow))));\n\n int sourceNearestCol = int(min(\n float(int("+i+") - 1),\n "+n+" ? float(round(sourceFracCol)) :\n float(floor(sourceFracCol))));\n\n if (r == sourceNearestRow && c == sourceNearestCol) {\n accumulator += getDy(b, dyR, dyC, d);\n }\n }\n }\n // End loop over dy\n\n setOutput(accumulator);\n }\n "},ha=function(t,e,n,r){this.variableNames=["A"],this.outputShape=[];var o=t[0],i=t[1],a=t[2],s=t[3];this.outputShape=[o,e,n,s];var u=[r&&e>1?i-1:i,r&&n>1?a-1:a],c=[r&&e>1?e-1:e,r&&n>1?n-1:n],l=r?"0.5":"0.0";this.userCode="\n const vec2 effectiveInputOverOutputRatioRC = vec2(\n "+u[0]/c[0]+",\n "+u[1]/c[1]+");\n const vec2 inputShapeRC = vec2("+i+".0, "+a+".0);\n\n void main() {\n ivec4 coords = getOutputCoords();\n int b = coords[0];\n int d = coords[3];\n ivec2 yRC = coords.yz;\n\n // Fractional source index.\n vec2 sourceFracIndexRC = vec2(yRC) * effectiveInputOverOutputRatioRC;\n\n // Compute the coordinators of nearest neighbor point.\n ivec2 sourceNearestRC = ivec2(\n min(inputShapeRC - 1.0, floor(sourceFracIndexRC + "+l+")));\n\n float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);\n\n setOutput(newValue);\n }\n "},fa=function(t,e){this.variableNames=["x"];var n=t.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");if(this.outputShape=t,1!==n){var r=t.map((function(n,r){return function(n){return-1!==e.indexOf(n)&&1!==t[n]?t[n]+" - coords["+n+"] - 1":"coords["+n+"]"}(r)})).join(","),o=Oo(n);this.userCode="\n void main() {\n "+o+" coords = getOutputCoords();\n setOutput(getX("+r+"));\n }\n "}else this.userCode="\n void main() {\n int coord = getOutputCoords();\n setOutput(getX("+t[0]+" - coord - 1));\n }\n "},pa=function(t,e){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;var n=t.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");this.outputShape=t;var r=xo("rc",n),o=r[n-1]+" + 1 < "+this.outputShape[n-1],i=r[n-2]+" + 1 < "+this.outputShape[n-2],a=Oo(n);function s(n){var r=t.map((function(r,o){return function(n,r){return-1!==e.indexOf(n)&&1!==t[n]?t[n]+" - "+r[n]+" - 1":""+r[n]}(o,n)}));return"getChannel(getX("+r.join(",")+"), vec2("+r.slice(-2).join(",")+"))"}this.userCode=1===n?"\n void main(){\n int rc = getOutputCoords();\n vec4 result = vec4(0.);\n result.r = getChannel(getX("+t[0]+" - rc - 1),\n "+t[0]+" - rc - 1);\n if("+o+"){\n result.g = getChannel(getX("+t[0]+" - (rc + 1) - 1),\n "+t[0]+" - (rc + 1) - 1);\n }\n setOutput(result);\n }\n ":"\n void main() {\n "+a+" rc = getOutputCoords();\n vec4 result = vec4(0.);\n result.r = "+function(t){return s(t)}(r.slice())+";\n if("+o+"){\n result.g = "+function(t){return t[n-1]="("+t[n-1]+" + 1)",s(t)}(r.slice())+";\n }\n if("+i+") {\n result.b = "+function(t){return t[n-2]="("+t[n-2]+" + 1)",s(t)}(r.slice())+";\n if("+o+") {\n result.a = "+function(t){return t[n-1]="("+t[n-1]+" + 1)",t[n-2]="("+t[n-2]+" + 1)",s(t)}(r.slice())+";\n }\n }\n setOutput(result);\n }\n "},da=function(t,e,n,r,o,i,a){void 0===a&&(a=!0),this.variableNames=["updates","indices","defaultValue"],this.outputShape=i;var s=Oo(o.length),u=Oo(i.length),c="";1===n?c="i":2===n&&(c="i, j");var l="getIndices("+c+")",h="";1===r?h="i":2===r&&(h="i, coords[1]");var f="getUpdates("+h+")",p=e>1?"strides[j]":"strides";this.userCode="\n "+s+" strides = "+s+"("+o+");\n\n void main() {\n "+u+" coords = getOutputCoords();\n float sum = 0.0;\n bool found = false;\n for (int i = 0; i < "+t+"; i++) {\n int flattenedIndex = 0;\n for (int j = 0; j < "+e+"; j++) {\n int index = round("+l+");\n flattenedIndex += index * "+p+";\n }\n if (flattenedIndex == coords[0]) {\n sum += "+f+";\n found = true;\n }\n }\n setOutput(mix(getDefaultValue(), sum, float(found)));\n }\n "},va=function(t,e){this.variableNames=["x","segmentIds"];var n=t.windowSize,r=t.batchSize,o=t.inSize,i=t.numSegments,a=i*Math.ceil(o/n);this.outputShape=[r,a];var s=4*Math.floor(n/4),u=n%4,c="\n sumValue += dot(values, segFilter);\n ",l="";o%n>0&&(l="\n if (inIdx < 0 || inIdx >= "+o+") {\n return initializationValue;\n }\n ");var h="";o%n>0&&(h="\n if (inIdx < 0 || inIdx >= "+o+") {\n return -1.0;\n }\n "),this.userCode="\n const float initializationValue = 0.0;\n\n float getValue(int batch, int inIdx) {\n "+l+"\n return getX(batch, inIdx);\n }\n\n float getSegmentIdAtIndex(int inIdx) {\n "+h+"\n return getSegmentIds(inIdx);\n }\n\n void main() {\n ivec2 coords = getOutputCoords();\n int batch = coords[0];\n int outIdx = coords[1];\n int inOffset = int(floor(float(outIdx) / float(\n "+i+")) * float("+n+"));\n int currentSeg = int(mod(float(outIdx), float("+i+")));\n\n float sumValue = 0.0;\n\n for (int i = 0; i < "+s+"; i += 4) {\n int inIdx = inOffset + i;\n vec4 values = vec4(\n getValue(batch, inIdx),\n getValue(batch, inIdx + 1),\n getValue(batch, inIdx + 2),\n getValue(batch, inIdx + 3)\n );\n\n vec4 segFilter = vec4(\n int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0\n );\n\n "+c+"\n }\n\n int inIdx = inOffset + "+s+";\n if ("+(1===u)+") {\n vec4 values = vec4(\n getValue(batch, inIdx),\n initializationValue,\n initializationValue,\n initializationValue\n );\n\n int inIdxSeg = int(getSegmentIdAtIndex(inIdx));\n\n vec4 segFilter = vec4(\n int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n 0,\n 0,\n 0\n );\n\n "+c+"\n } else if ("+(2===u)+") {\n vec4 values = vec4(\n getValue(batch, inIdx),\n getValue(batch, inIdx + 1),\n initializationValue,\n initializationValue\n );\n\n vec4 segFilter = vec4(\n int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n 0,\n 0\n );\n\n "+c+"\n } else if ("+(3===u)+") {\n vec4 values = vec4(\n getValue(batch, inIdx),\n getValue(batch, inIdx + 1),\n getValue(batch, inIdx + 2),\n initializationValue\n );\n\n vec4 segFilter = vec4(\n int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n 0\n );\n\n "+c+"\n }\n setOutput(sumValue);\n }\n "},ma=function(t,e,n){var r,o;if(this.variableNames=["c","a","b"],this.outputShape=e,n>4)throw Error("Where for rank "+n+" is not yet supported");if(1===n)o="resRC",r="resRC";else{for(var i=["resRC.x","resRC.y","resRC.z","resRC.w"],a=[],s=[],u=0;u<e.length;u++)s.push(""+i[u]),u<t&&a.push(""+i[u]);r=a.join(),o=s.join()}var c=Oo(n);this.userCode="\n void main() {\n "+c+" resRC = getOutputCoords();\n float cVal = getC("+r+");\n if (cVal >= 1.0) {\n setOutput(getA("+o+"));\n } else {\n setOutput(getB("+o+"));\n }\n }\n "},ga=function(){function t(t){this.variableNames=["source"],this.outputShape=t,this.rank=t.length;var e,n=Oo(this.rank),r="uniform int start["+this.rank+"];",o=function(t){if(1===t)return"sourceLoc";if(t<=6)return ya.slice(0,t).map((function(t){return"sourceLoc."+t})).join(",");throw Error("Slicing for rank "+t+" is not yet supported")}(this.rank);e="\n "+n+" sourceLoc;\n "+n+" coords = getOutputCoords();\n "+t.map((function(t,e){return"sourceLoc."+ya[e]+" = start["+e+"] + coords."+ya[e]+";"})).join("\n")+"\n ",this.userCode="\n "+r+"\n void main() {\n "+e+"\n setOutput(getSource("+o+"));\n }\n "}return t.prototype.getCustomSetupFunc=function(t){var e=this;if(t.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+t.length+")");return function(n,r){null==e.startLoc&&(e.startLoc=n.getUniformLocationNoThrow(r,"start"),null==e.startLoc)||n.gl.uniform1iv(e.startLoc,t)}},t}(),ya=["x","y","z","w","u","v"],ba=function(){function t(t){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.rank=t.length;var e=Oo(this.rank),n=xo("coords",this.rank),r=xo("sourceLoc",this.rank),o=1===this.rank?"sourceLoc":"vec2("+r.slice(-2).join()+")",i="getChannel(getSource("+r.join()+"), "+o+")",a="\n result.x = "+i+";\n if (++"+n[this.rank-1]+" < "+t[this.rank-1]+") {\n ++"+r[this.rank-1]+";\n result.y = "+i+";\n --"+r[this.rank-1]+";\n }\n ",s=1===this.rank?"":"\n --"+n[this.rank-1]+";\n if (++"+n[this.rank-2]+" < "+t[this.rank-2]+") {\n ++"+r[this.rank-2]+";\n result.z = "+i+";\n if (++"+n[this.rank-1]+" < "+t[this.rank-1]+") {\n ++"+r[this.rank-1]+";\n result.w = "+i+";\n }\n }\n ",u=this.rank<=4?"sourceLoc = coords +\n "+e+"("+t.map((function(t,e){return"start["+e+"]"})).join()+");":t.map((function(t,e){return r[e]+" = "+n[e]+" + start["+e+"];"})).join("\n");this.userCode="\n uniform int start["+this.rank+"];\n void main() {\n "+e+" coords = getOutputCoords();\n "+e+" sourceLoc;\n "+u+"\n vec4 result = vec4(0.);\n "+a+"\n "+s+"\n setOutput(result);\n }\n "}return t.prototype.getCustomSetupFunc=function(t){var e=this;if(t.length!==this.rank)throw Error("The rank ("+this.rank+") of the program must match the length of start ("+t.length+")");return function(n,r){null==e.startLoc&&(e.startLoc=n.getUniformLocationNoThrow(r,"start"),null==e.startLoc)||n.gl.uniform1iv(e.startLoc,t)}},t}(),xa=function(t,e,n){this.variableNames=["x"],this.outputShape=n;var r=n.length,o=Oo(n.length),i=Oo(n.length),a="";if(1===r)a="coords * strides + begin";else{var s=0;a=n.map((function(t,e){return s++,1===n.length?"coords * strides["+e+"] + begin["+e+"]":"coords["+(s-1)+"] * strides["+e+"] + begin["+e+"]"})).join(",")}this.userCode="\n "+o+" begin = "+o+"("+t+");\n "+o+" strides = "+o+"("+e+");\n\n void main() {\n "+i+" coords = getOutputCoords();\n setOutput(getX("+a+"));\n }\n "},wa=function(){function t(t){this.gpgpu=t,this.numUsedTextures=0,this.numFreeTextures=0,this.freeTextures={},this.logEnabled=!1,this.usedTextures={}}return t.prototype.acquireTexture=function(t,e,n){var r,o=Ea(e,n),i=Ca(t,o,n);if(i in this.freeTextures||(this.freeTextures[i]=[]),i in this.usedTextures||(this.usedTextures[i]=[]),this.freeTextures[i].length>0){this.numFreeTextures--,this.numUsedTextures++,this.log();var a=this.freeTextures[i].shift();return this.usedTextures[i].push(a),a}return this.numUsedTextures++,this.log(),o===Wt.PACKED_2X2_FLOAT32?r=this.gpgpu.createPackedMatrixTexture(t[0],t[1]):o===Wt.PACKED_2X2_FLOAT16?r=this.gpgpu.createFloat16PackedMatrixTexture(t[0],t[1]):o===Wt.UNPACKED_FLOAT32?r=this.gpgpu.createFloat32MatrixTexture(t[0],t[1]):o===Wt.UNPACKED_FLOAT16?r=this.gpgpu.createFloat16MatrixTexture(t[0],t[1]):o===Wt.PACKED_4X1_UNSIGNED_BYTE&&(r=this.gpgpu.createUnsignedBytesMatrixTexture(t[0],t[1])),this.usedTextures[i].push(r),r},t.prototype.releaseTexture=function(t,e,n,r){if(null!=this.freeTextures){var o=Ca(e,Ea(n,r),r);o in this.freeTextures||(this.freeTextures[o]=[]),this.freeTextures[o].push(t),this.numFreeTextures++,this.numUsedTextures--;var i=this.usedTextures[o],a=i.indexOf(t);if(a<0)throw new Error("Cannot release a texture that was never provided by this texture manager");i.splice(a,1),this.log()}},t.prototype.log=function(){if(this.logEnabled){var t=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used",this.numFreeTextures+" / "+this.numUsedTextures,"("+t+")")}},t.prototype.getNumUsedTextures=function(){return this.numUsedTextures},t.prototype.getNumFreeTextures=function(){return this.numFreeTextures},t.prototype.dispose=function(){var t=this;if(null!=this.freeTextures){for(var e in this.freeTextures)this.freeTextures[e].forEach((function(e){t.gpgpu.deleteMatrixTexture(e)}));for(var e in this.usedTextures)this.usedTextures[e].forEach((function(e){t.gpgpu.deleteMatrixTexture(e)}));this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0}},t}();function Ea(t,e){if(t===Lt.UPLOAD)return Wt.PACKED_2X2_FLOAT32;if(t===Lt.RENDER||null==t)return function(t){return h().getBool("WEBGL_RENDER_FLOAT32_ENABLED")?t?Wt.PACKED_2X2_FLOAT32:Wt.UNPACKED_FLOAT32:t?Wt.PACKED_2X2_FLOAT16:Wt.UNPACKED_FLOAT16}(e);if(t===Lt.DOWNLOAD||t===Lt.PIXELS)return Wt.PACKED_4X1_UNSIGNED_BYTE;throw new Error("Unknown logical texture type "+t)}function Ca(t,e,n){return t[0]+"_"+t[1]+"_"+e+"_"+n}var _a=function(t,e){this.variableNames=["A"];for(var n=new Array(t.length),r=0;r<n.length;r++)n[r]=t[r]*e[r];this.outputShape=n,this.rank=n.length;var o=Oo(this.rank),i=function(t){var e=t.length;if(e>5)throw Error("Tile for rank "+e+" is not yet supported");if(1===e)return"imod(resRC, "+t[0]+")";for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],r=[],o=0;o<t.length;o++)r.push("imod("+n[o]+", "+t[o]+")");return r.join()}(t);this.userCode="\n void main() {\n "+o+" resRC = getOutputCoords();\n setOutput(getA("+i+"));\n }\n "},Ia=function(t,e){this.variableNames=["A"];for(var n=new Array(t.length),r=0;r<n.length;r++)n[r]=t[e[r]];this.outputShape=n,this.rank=n.length;var o=Oo(this.rank),i=function(t){var e=t.length;if(e>6)throw Error("Transpose for rank "+e+" is not yet supported");for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],r=new Array(e),o=0;o<t.length;o++)r[t[o]]=n[o];return r.join()}(e);this.userCode="\n void main() {\n "+o+" resRC = getOutputCoords();\n setOutput(getA("+i+"));\n }\n "},Ra=function(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;for(var n=new Array(t.length),r=0;r<n.length;r++)n[r]=t[e[r]];if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error("Packed transpose for rank "+this.rank+" is not yet supported.");var o=Oo(this.rank),i=bo("rc",this.rank),a=new Array(this.rank);for(r=0;r<e.length;r++)a[e[r]]=i[r];var s="vec2("+a.slice(-2).join()+")",u="++"+i[this.rank-1]+" < "+n[this.rank-1],c="getChannel(getA("+a.join()+"), "+s+")";this.userCode="\n void main() {\n "+o+" rc = getOutputCoords();\n vec4 result = vec4(0.);\n result[0] = "+c+";\n if("+u+") {\n result[1] = "+c+";\n }\n --"+i[this.rank-1]+";\n if(++"+i[this.rank-2]+" < "+n[this.rank-2]+") {\n result[2] = "+c+";\n if("+u+") {\n result[3] = "+c+";\n }\n }\n setOutput(result);\n }\n "},Sa=1.7580993408473768,ka=1.0507009873554805,Aa=function(t,e){this.variableNames=["A"],this.outputShape=t,this.userCode="\n float unaryOperation(float x) {\n "+e+"\n }\n\n void main() {\n float x = getAAtOutCoords();\n float y = unaryOperation(x);\n\n setOutput(y);\n }\n "},Da="if (isnan(x)) return x;",Ta="return abs(x);",Oa=Da+"\n return (x < 0.0) ? 0.0 : x;\n",Na=Da+"\n return (x < 0.0) ? 0.0 : min(6.0, x);\n",Fa="return (x >= 0.0) ? x : (exp(x) - 1.0);",Pa="return -x;",Ma="return ceil(x);",Ba="return floor(x);",La="return exp(x);",Wa="return exp(x) - 1.0;",ja="return x;",Ua="\n vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));\n bvec4 isNaN = isnan(x);\n\n result.r = isNaN.r ? x.r : result.r;\n result.g = isNaN.g ? x.g : result.g;\n result.b = isNaN.b ? x.b : result.b;\n result.a = isNaN.a ? x.a : result.a;\n\n return result;\n",za="\n vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));\n bvec4 isNaN = isnan(x);\n\n result.r = isNaN.r ? x.r : result.r;\n result.g = isNaN.g ? x.g : result.g;\n result.b = isNaN.b ? x.b : result.b;\n result.a = isNaN.a ? x.a : result.a;\n\n return result;\n",Va="\n vec4 result;\n\n result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);\n result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);\n result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);\n result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);\n\n return result;\n",Ga=function(t,e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t,this.userCode="\n vec4 unaryOperation(vec4 x) {\n "+e+"\n }\n\n void main() {\n vec4 x = getAAtOutCoords();\n vec4 y = unaryOperation(x);\n\n setOutput(y);\n }\n "},Ha=function(t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=t;var e=t.length,n=xo("rc",e),r=Oo(e),o=function(t,e){if(1===t)return"rc";for(var n="",r=0;r<t;r++)n+=e[r],r<t-1&&(n+=",");return n}(e,n),i=n.slice(-2),a=e<=1?"rc":"vec2("+i.join(",")+")";this.userCode="\n void main() {\n "+r+" rc = getOutputCoords();\n vec4 packedInput = getA("+o+");\n\n setOutput(getChannel(packedInput, "+a+"));\n }\n "},qa={};function Ka(t,e){if(void 0===e&&(e=!1),"linear"===t)return"return x;";if("relu"===t)return e?Ua:Oa;if("elu"===t)return e?Va:Fa;if("relu6"===t)return e?za:Na;if("prelu"===t)return e?qo:Go;throw new Error("Activation "+t+" has not been implemented for the WebGL backend.")}var Xa=function(t){function e(e){var n,r=t.call(this)||this;if(r.pendingRead=new WeakMap,r.pendingDisposal=new WeakSet,r.dataRefCount=new WeakMap,r.numBytesInGPU=0,r.uploadWaitMs=0,r.downloadWaitMs=0,r.warnedAboutMemory=!1,r.pendingDeletes=0,r.disposed=!1,!h().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(null==e){var o=Vt(h().getNumber("WEBGL_VERSION"));r.binaryCache=((n=h().getNumber("WEBGL_VERSION"))in qa||(qa[n]={}),qa[n]),r.gpgpu=new Vi(o),r.canvas=o.canvas,r.gpgpuCreatedLocally=!0}else r.gpgpu=e,r.binaryCache={},r.gpgpuCreatedLocally=!1,r.canvas=e.gl.canvas;return r.textureManager=new wa(r.gpgpu),r.numMBBeforeWarning=null==h().global.screen?1024:h().global.screen.height*h().global.screen.width*window.devicePixelRatio*600/1024/1024,r.texData=new Or(r,Ft),r}return a(e,t),e.prototype.numDataIds=function(){return this.texData.numDataIds()+(this.cpuBackend?this.cpuBackend.numDataIds():0)-this.pendingDeletes},e.prototype.write=function(t,e,n){if(h().getBool("DEBUG")&&this.checkNumericalProblems(t),"complex64"===n&&null!=t)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");var r={};return this.texData.set(r,{shape:e,dtype:n,values:t,usage:Lt.UPLOAD}),r},e.prototype.move=function(t,e,n,r){if(h().getBool("DEBUG")&&this.checkNumericalProblems(e),"complex64"===r)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(t,{shape:n,dtype:r,values:e,usage:Lt.UPLOAD})},e.prototype.readSync=function(t){var e=this.texData.get(t),n=e.values,r=e.dtype,o=e.complexTensors,i=e.slice,a=e.shape,s=e.isPacked;if(null!=i){var u;u=s?new Ga(a,ja):new Aa(a,ja);var c=this.runWebGLProgram(u,[{dataId:t,shape:a,dtype:r}],r),l=this.readSync(c.dataId);return this.disposeData(c.dataId),l}if(null!=n)return this.convertAndCacheOnCPU(t);if("string"===r)return n;var h,f,p=null!=this.activeTimers;return p&&(h=rt()),f="complex64"===r?Zr(o.real.dataSync(),o.imag.dataSync()):this.getValuesFromTexture(t),p&&(this.downloadWaitMs+=rt()-h),this.convertAndCacheOnCPU(t,f)},e.prototype.read=function(t){return s(this,void 0,void 0,(function(){var e,n,r,o,i,a,s,c,l,f,p,d,v,m,g,y,b,x,w,E,C,_;return u(this,(function(u){switch(u.label){case 0:if(this.pendingRead.has(t))return e=this.pendingRead.get(t),[2,new Promise((function(t){return e.push(t)}))];if(n=this.texData.get(t),r=n.values,o=n.shape,i=n.slice,a=n.dtype,s=n.complexTensors,c=n.isPacked,null!=i)return void 0,l=c?new Ga(o,ja):new Aa(o,ja),f=this.runWebGLProgram(l,[{dataId:t,shape:o,dtype:a}],a),p=this.read(f.dataId),this.disposeData(f.dataId),[2,p];if(null!=r)return[2,this.convertAndCacheOnCPU(t)];if(!h().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&2===h().getNumber("WEBGL_VERSION"))throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");return d=null,"complex64"!==a&&h().get("WEBGL_BUFFER_SUPPORTED")&&(v=this.decode(t),m=this.texData.get(v.dataId),d=(_=this.gpgpu).createBufferFromTexture.apply(_,[m.texture].concat(Ht(o)))),this.pendingRead.set(t,[]),"complex64"===a?[3,2]:[4,this.gpgpu.createAndWaitForFence()];case 1:u.sent(),u.label=2;case 2:return"complex64"!==a?[3,4]:[4,Promise.all([s.real.data(),s.imag.data()])];case 3:return y=u.sent(),b=y[0],x=y[1],g=Zr(b,x),[3,5];case 4:null==d?g=this.getValuesFromTexture(t):(w=k(o),g=this.gpgpu.downloadFloat32MatrixFromBuffer(d,w)),u.label=5;case 5:return null!=v&&this.disposeData(v.dataId),E=this.convertAndCacheOnCPU(t,g),C=this.pendingRead.get(t),this.pendingRead.delete(t),C.forEach((function(t){return t(E)})),this.pendingDisposal.has(t)&&(this.pendingDisposal.delete(t),this.disposeData(t),this.pendingDeletes--),[2,E]}}))}))},e.prototype.checkNumericalProblems=function(t){if(null!=t)for(var e=0;e<t.length;e++){var n=t[e];if(!Yt(n)){if(h().getBool("WEBGL_RENDER_FLOAT32_CAPABLE"))throw Error("The value "+n+" cannot be represented with your current settings. Consider enabling float32 rendering: 'tf.env().set('WEBGL_RENDER_FLOAT32_ENABLED', true);'");throw Error("The value "+n+" cannot be represented on this device.")}}},e.prototype.getValuesFromTexture=function(t){var e,n=this.texData.get(t),r=n.shape,o=n.dtype,i=n.isPacked,a=k(r);if(h().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")){var s=this.decode(t),u=this.texData.get(s.dataId),c=(e=this.gpgpu).downloadMatrixFromPackedTexture.apply(e,[u.texture].concat(Ht(r))).subarray(0,a);return this.disposeData(s.dataId),c}var l=h().getBool("WEBGL_PACK")&&!0===i,f=l?_e(r):r,p=l?new yi(f):new gi(f),d=this.runWebGLProgram(p,[{shape:f,dtype:o,dataId:t}],"float32"),v=this.texData.get(d.dataId),m=this.gpgpu.downloadByteEncodedFloatMatrixFromOutputTexture(v.texture,v.texShape[0],v.texShape[1]).subarray(0,a);return this.disposeData(d.dataId),m},e.prototype.time=function(t){return s(this,void 0,void 0,(function(){var e,n,r,o,i,a,s;return u(this,(function(u){switch(u.label){case 0:return e=this.activeTimers,n=[],r=!1,null==this.programTimersStack?(this.programTimersStack=n,r=!0):this.activeTimers.push(n),this.activeTimers=n,t(),o=S(this.activeTimers.map((function(t){return t.query}))).filter((function(t){return null!=t})),i=S(this.activeTimers.map((function(t){return t.name}))).filter((function(t){return null!=t})),this.activeTimers=e,r&&(this.programTimersStack=null),a={uploadWaitMs:this.uploadWaitMs,downloadWaitMs:this.downloadWaitMs,kernelMs:null,wallMs:null},h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[4,Promise.all(o)]:[3,2];case 1:return s=u.sent(),a.kernelMs=C(s),a.getExtraProfileInfo=function(){return s.map((function(t,e){return{name:i[e],ms:t}})).map((function(t){return t.name+": "+t.ms})).join(", ")},[3,3];case 2:a.kernelMs={error:"WebGL query timers are not supported in this environment."},u.label=3;case 3:return this.uploadWaitMs=0,this.downloadWaitMs=0,[2,a]}}))}))},e.prototype.memory=function(){return{unreliable:!1,numBytesInGPU:this.numBytesInGPU}},e.prototype.startTimer=function(){return h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?this.gpgpu.beginQuery():{startMs:rt(),endMs:null}},e.prototype.endTimer=function(t){return h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?(this.gpgpu.endQuery(),t):(t.endMs=rt(),t)},e.prototype.getQueryTime=function(t){return s(this,void 0,void 0,(function(){var e;return u(this,(function(n){return h().getNumber("WEBGL_DISJOINT_QUERY_TIMER_EXTENSION_RELIABLE")>0?[2,this.gpgpu.waitForQueryAndGetTime(t)]:[2,(e=t).endMs-e.startMs]}))}))},e.prototype.disposeData=function(t){if(!this.pendingDisposal.has(t)){if(this.pendingRead.has(t))return this.pendingDisposal.add(t),void this.pendingDeletes++;if(this.texData.has(t)){this.releaseGPUData(t);var e=this.texData.get(t).complexTensors;null!=e&&(e.real.dispose(),e.imag.dispose()),this.texData.delete(t)}}},e.prototype.releaseGPUData=function(t){var e=this.texData.get(t),n=e.texture,r=e.dtype,o=e.texShape,i=e.usage,a=e.isPacked,s=e.slice,u=s&&s.origDataId||t,c=this.dataRefCount.get(u);c>1?this.dataRefCount.set(u,c-1):(this.dataRefCount.delete(u),null!=n&&(this.numBytesInGPU-=this.computeBytes(o,r),this.textureManager.releaseTexture(n,o,i,a)));var l=this.texData.get(t);l.texture=null,l.texShape=null,l.isPacked=!1,l.slice=null},e.prototype.getTexture=function(t){return this.uploadToGPU(t),this.texData.get(t).texture},e.prototype.getDataInfo=function(t){return this.texData.get(t)},e.prototype.getCPUBackend=function(){return h().getBool("WEBGL_CPU_FORWARD")?(null==this.cpuBackend&&(this.cpuBackend=Ft.findBackend("cpu")),this.cpuBackend):null},e.prototype.shouldExecuteOnCPU=function(t,e){var n=this;return void 0===e&&(e=128),null!=this.getCPUBackend()&&t.every((function(t){return null==n.texData.get(t.dataId).texture&&t.size<e}))},e.prototype.getGPGPUContext=function(){return this.gpgpu},e.prototype.complex=function(t,e){var n=this.makeOutput(t.shape,"complex64");return this.texData.get(n.dataId).complexTensors={real:Ft.keep(t.clone()),imag:Ft.keep(e.clone())},n},e.prototype.real=function(t){return this.texData.get(t.dataId).complexTensors.real.clone()},e.prototype.imag=function(t){return this.texData.get(t.dataId).complexTensors.imag.clone()},e.prototype.slice=function(t,e,n){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.slice(t,e,n);if(0===k(n))return un([],n,t.dtype);var r=this.texData.get(t.dataId).isPacked,o=Sr(t.shape,e,n);if(r||!o){var i=h().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new ba(n):new ga(n),a=i.getCustomSetupFunc(e);return this.compileAndRun(i,[t],null,a)}return this.uploadToGPU(t.dataId),this.shallowSlice(t,e,n)},e.prototype.shallowSlice=function(t,e,n){var r=this.texData.get(t.dataId),o=this.makeOutput(n,t.dtype),i=this.texData.get(o.dataId);Object.assign(i,r),i.shape=n,i.dtype=t.dtype;var a=kr(e,t.strides);r.slice&&(a+=r.slice.flatOffset),i.slice={flatOffset:a,origDataId:r.slice&&r.slice.origDataId||t.dataId};var s=this.dataRefCount.get(i.slice.origDataId)||1;return this.dataRefCount.set(i.slice.origDataId,s+1),o},e.prototype.stridedSlice=function(t,e,n,r){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.stridedSlice(t,e,n,r);var o=_r(e,n,r);if(o.some((function(t){return 0===t})))return un([],o);var i=new xa(e,r,o);return this.compileAndRun(i,[t])},e.prototype.reverse=function(t,e){var n=h().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new pa(t.shape,e):new fa(t.shape,e);return this.compileAndRun(n,[t])},e.prototype.concat=function(t,e){if("complex64"===t[0].dtype){var n=t.map((function(t){return an(t)})),r=t.map((function(t){return sn(t)}));return on(this.concat(n,e),this.concat(r,e))}if(this.shouldExecuteOnCPU(t))return this.cpuBackend.concat(t,e);if(1===t.length)return t[0];if(t.length>h().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){var o=Math.floor(t.length/2),i=this.concat(t.slice(0,o),e),a=this.concat(t.slice(o),e);return this.concat([i,a],e)}if(h().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&t[0].rank>1){var s=new Qo(t.map((function(t){return t.shape})),e);return this.compileAndRun(s,t)}var u=nn(t.map((function(t){return t.shape})),e),c=t.map((function(t){return t.as2D(-1,k(t.shape.slice(e)))})),l=new Jo(c.map((function(t){return t.shape})));return this.compileAndRun(l,c).reshape(u)},e.prototype.neg=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.neg(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Pa,t.dtype);var e=new Aa(t.shape,Pa);return this.compileAndRun(e,[t])},e.prototype.batchMatMul=function(t,e,n,r){var o=n?t.shape[2]:t.shape[1],i=r?e.shape[1]:e.shape[2],a=n?t.shape[1]:t.shape[2],s=t.shape[0];if((1===o||1===i)&&a>1e3){n&&(t=t.transpose([0,2,1])),r&&(e=e.transpose([0,2,1]));var u=1===i?t:t.as3D(s,a,1),c=1===i?2:1,l=1===i?e.as3D(s,1,a):e;return this.multiply(u,l).sum(c,!0)}var h=Rt(t.dtype,e.dtype),f=new Ji(t.shape,[s,o,i],n,r);return this.compileAndRun(f,[t,e],h)},e.prototype.fusedBatchMatMul=function(t){var e=t.a,n=t.b,r=t.transposeA,o=t.transposeB,i=t.bias,a=t.activation,s=t.preluActivationWeights,u=r?e.shape[2]:e.shape[1],c=o?n.shape[1]:n.shape[2],l=e.shape[0],h=Rt(e.dtype,n.dtype),f=null!=i,p=null!=s,d=a?Ka(a,!0):null,v=new Ji(e.shape,[l,u,c],r,o,f,d,p),m=[e,n];return i&&m.push(i),s&&m.push(s),this.compileAndRun(v,m,h)},e.prototype.multiply=function(t,e){if("complex64"===t.dtype){var n=this.texData.get(t.dataId),r=this.texData.get(e.dataId),o=new jo("return areal * breal - aimag * bimag;",t.shape,e.shape),i=new jo("return areal * bimag + aimag * breal;",t.shape,e.shape),a=[this.makeComplexComponentTensorInfo(t,n.complexTensors.real),this.makeComplexComponentTensorInfo(t,n.complexTensors.imag),this.makeComplexComponentTensorInfo(e,r.complexTensors.real),this.makeComplexComponentTensorInfo(e,r.complexTensors.imag)],s=this.compileAndRun(o,a),u=this.compileAndRun(i,a),c=this.complex(s,u);return s.dispose(),u.dispose(),c}if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.multiply(t,e);if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,Vo,t.dtype);var l=new Ho(Vo,t.shape,e.shape);return this.compileAndRun(l,[t,e],t.dtype)},e.prototype.batchNormalization=function(t,e,n,r,o,i){var a=[t,e,n],s=null;null!=i&&(s=i.shape,a.push(i));var u=null;if(null!=o&&(u=o.shape,a.push(o)),h().getBool("WEBGL_PACK_NORMALIZATION")){var c=new Wo(t.shape,e.shape,n.shape,s,u,r);return this.compileAndRun(c,a)}var l=new Lo(t.shape,e.shape,n.shape,s,u,r);return this.compileAndRun(l,a)},e.prototype.localResponseNormalization4D=function(t,e,n,r,o){var i=h().getBool("WEBGL_PACK_NORMALIZATION")?new Xi(t.shape,e,n,r,o):new qi(t.shape,e,n,r,o);return this.compileAndRun(i,[t])},e.prototype.LRNGrad=function(t,e,n,r,o,i,a){var s=new Ki(e.shape,r,o,i,a);return this.compileAndRun(s,[e,n,t])},e.prototype.tile=function(t,e){if("string"===t.dtype){var n=this.readSync(t.dataId).map((function(t){return at(t)}));return fo(Wn(t.shape,t.dtype,n),e)}var r=new _a(t.shape,e);return this.compileAndRun(r,[t])},e.prototype.pad=function(t,e,n){var r=h().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new na(t.shape,e,n):new ea(t.shape,e,n);return this.compileAndRun(r,[t])},e.prototype.transpose=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.transpose(t,e);var n=h().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new Ra(t.shape,e):new Ia(t.shape,e);return this.compileAndRun(n,[t])},e.prototype.gather=function(t,e,n){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.gather(t,e,n);var r=new Ci(t.shape,e.size,n);return this.compileAndRun(r,[t,e])},e.prototype.batchToSpaceND=function(t,e,n){_(t.rank<=4,(function(){return"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet"}));var r=e.reduce((function(t,e){return t*e})),o=fr(t.shape,e,r),i=pr(o.length,e.length),a=dr(t.shape,e,r),s=vr(n,e.length),u=mr(a,n,e.length);return t.reshape(o).transpose(i).reshape(a).slice(s,u)},e.prototype.spaceToBatchND=function(t,e,n){_(t.rank<=4,(function(){return"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet"}));var r=e.reduce((function(t,e){return t*e})),o=[[0,0]];o.push.apply(o,n);for(var i=1+e.length;i<t.shape.length;++i)o.push([0,0]);var a=t.pad(o),s=fr(a.shape,e,r,!1),u=pr(s.length,e.length,!1),c=dr(a.shape,e,r,!1);return a.reshape(s).transpose(u).reshape(c)},e.prototype.reduce=function(t,e,n){var r=t.shape[0],o=t.shape[1],i=yr(o),a=new ia({windowSize:i,inSize:o,batchSize:r},e),s=this.compileAndRun(a,[t],n);return 1===s.shape[1]?s:this.reduce(s,e,n)},e.prototype.argReduce=function(t,e,n){void 0===n&&(n=null);var r=t.shape[0],o=t.shape[1];null!=n&&(r=n.shape[0],o=n.shape[1]);var i=yr(o),a=new yo({windowSize:i,inSize:o,batchSize:r},e,null==n),s=[t];null!=n&&s.push(n);var u=this.compileAndRun(a,s,"int32");return 1===u.shape[1]?u:this.argReduce(t,e,u)},e.prototype.argReducePacked=function(t,e,n){void 0===n&&(n=null);var r=null!=n?n.shape:t.shape,o=yr(r[r.length-1]),i=new Po(r,o,e,null==n),a=null==n?[t]:[t,n],s=this.compileAndRun(i,a,"int32");return s.rank===t.rank?this.argReducePacked(t,e,s):s},e.prototype.sum=function(t,e){Je("sum",e,t.rank);var n=Ye(t.shape,e),r=n[0],o=k(n[1]),i=t.as2D(-1,o),a=St(t.dtype);return this.reduce(i,"sum",a).reshape(r)},e.prototype.prod=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.prod(t,e);var n=Ye(t.shape,e),r=n[0],o=k(n[1]),i=t.as2D(-1,o),a=St(t.dtype);return this.reduce(i,"prod",a).reshape(r)},e.prototype.unsortedSegmentSum=function(t,e,n){var r=0,o=Qe([r],t.rank),i=t;null!=o&&(i=t.transpose(o),r=tn(1,t.rank)[0]);var a=function(t,e,n){for(var r=[],o=t.length,i=0;i<o;i++)i!==e?r.push(t[i]):r.push(n);return r}(i.shape,r,n),s=k([i.shape[r]]),u=i.as2D(-1,s),c=St(t.dtype),l=this.segOpCompute(u,"unsortedSegmentSum",e,c,n).reshape(a);return null!=o&&(l=l.transpose(Ze(o))),l},e.prototype.segOpCompute=function(t,e,n,r,o){var i=t.shape[0],a=t.shape[1],s=function(t,e){var n,r=!1;for(t<=30?(n=t,r=!0):n=J(t,Math.floor(Math.sqrt(t)));!r;)n>e||n===t?r=!0:n=J(t,n+1);return n}(a,o),u=new va({windowSize:s,inSize:a,batchSize:i,numSegments:o},e),c=this.compileAndRun(u,[t,n],r);return c.shape[1]===o?c:(n=yn(0,o).tile([a/s]),this.segOpCompute(c,e,n,r,o))},e.prototype.argMinMaxReduce=function(t,e,n){var r=[e];if(Je("arg"+n.charAt(0).toUpperCase()+n.slice(1),r,t.rank),!h().getBool("WEBGL_PACK_REDUCE")||t.rank<=2){var o=Ye(t.shape,r),i=o[0],a=k(o[1]),s=t.as2D(-1,a);return this.argReduce(s,n).reshape(i)}return this.argReducePacked(t,n)},e.prototype.argMin=function(t,e){return this.argMinMaxReduce(t,e,"min")},e.prototype.argMax=function(t,e){return this.argMinMaxReduce(t,e,"max")},e.prototype.cumsum=function(t,e,n,r){if(e!==t.rank-1)throw new Error("WebGL cumsum shader expects an inner-most axis="+(t.rank-1)+" but got axis="+e);var o=new hi(t.shape,n,r);return this.compileAndRun(o,[t])},e.prototype.equal=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(equal(a, b));\n","bool");var n=new Ho("return float(a == b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.notEqual=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(notEqual(a, b));\n","bool");var n=new Ho("return float(a != b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.less=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.less(t,e);if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(lessThan(a, b));\n","bool");var n=new Ho("return float(a < b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.lessEqual=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(lessThanEqual(a, b));\n","bool");var n=new Ho("return float(a <= b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.greater=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.greater(t,e);if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(greaterThan(a, b));\n","bool");var n=new Ho("return float(a > b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.greaterEqual=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(greaterThanEqual(a, b));\n","bool");var n=new Ho("return float(a >= b);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.logicalNot=function(t){var e=new Aa(t.shape,"return float(!(x >= 1.0));");return this.compileAndRun(e,[t])},e.prototype.logicalAnd=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return vec4(\n vec4(greaterThanEqual(a, vec4(1.0))) *\n vec4(greaterThanEqual(b, vec4(1.0))));\n","bool");var n=new Ho("return float(a >= 1.0 && b >= 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.logicalOr=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n return min(\n vec4(greaterThanEqual(a, vec4(1.0))) +\n vec4(greaterThanEqual(b, vec4(1.0))),\n vec4(1.0));\n","bool");var n=new Ho("return float(a >= 1.0 || b >= 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e],"bool")},e.prototype.select=function(t,e,n){var r=new ma(t.rank,e.shape,e.rank);return this.compileAndRun(r,[t,e,n],Rt(e.dtype,n.dtype))},e.prototype.where=function(t){ze("tf.where() in webgl locks the UI thread. Call tf.whereAsync() instead");var e=t.dataSync();return vo(t.shape,e)},e.prototype.topk=function(t,e,n){return po(t.dataSync(),t.shape,t.dtype,e)},e.prototype.min=function(t,e){Je("min",e,t.rank);var n=Ye(t.shape,e),r=n[0],o=k(n[1]),i=t.as2D(-1,o);return this.reduce(i,"min",i.dtype).reshape(r)},e.prototype.minimum=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.minimum(t,e);var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko("\n vec4 result = vec4(min(a, b));\n vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n \n result.r = isNaN.r > 0. ? NAN : result.r;\n result.g = isNaN.g > 0. ? NAN : result.g;\n result.b = isNaN.b > 0. ? NAN : result.b;\n result.a = isNaN.a > 0. ? NAN : result.a;\n\n return result;\n",t.shape,e.shape):new Ho("\n if (isnan(a)) return a;\n if (isnan(b)) return b;\n\n return min(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e])},e.prototype.mod=function(t,e){var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko("\n vec4 result = mod(a, b);\n vec4 isNaN = vec4(equal(b, vec4(0.0)));\n \n result.r = isNaN.r > 0. ? NAN : result.r;\n result.g = isNaN.g > 0. ? NAN : result.g;\n result.b = isNaN.b > 0. ? NAN : result.b;\n result.a = isNaN.a > 0. ? NAN : result.a;\n\n return result;\n",t.shape,e.shape):new Ho("if (b == 0.0) return NAN;\n return mod(a, b);",t.shape,e.shape);return this.compileAndRun(n,[t,e])},e.prototype.max=function(t,e){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.max(t,e);Je("max",e,t.rank);var n=Ye(t.shape,e),r=n[0],o=k(n[1]),i=t.as2D(-1,o);return this.reduce(i,"max",i.dtype).reshape(r)},e.prototype.maximum=function(t,e){if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.maximum(t,e);var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko("\n vec4 result = vec4(max(a, b));\n vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n \n result.r = isNaN.r > 0. ? NAN : result.r;\n result.g = isNaN.g > 0. ? NAN : result.g;\n result.b = isNaN.b > 0. ? NAN : result.b;\n result.a = isNaN.a > 0. ? NAN : result.a;\n\n return result;\n",t.shape,e.shape):new Ho("\n if (isnan(a)) return a;\n if (isnan(b)) return b;\n\n return max(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e])},e.prototype.all=function(t,e){Je("all",e,t.rank);var n=Ye(t.shape,e),r=n[0],o=k(n[1]),i=t.as2D(-1,o);return this.reduce(i,"all",i.dtype).reshape(r)},e.prototype.any=function(t,e){Je("any",e,t.rank);var n=Ye(t.shape,e),r=n[0],o=k(n[1]),i=t.as2D(-1,o);return this.reduce(i,"any",i.dtype).reshape(r)},e.prototype.realDivide=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n // vec4 one = vec4(equal(a, b));\n // return one + (vec4(1.0) - one) * a / b;\n vec4 result = a / b;\n if(a.x == b.x) {\n result.x = 1.;\n }\n if(a.y == b.y) {\n result.y = 1.;\n }\n if(a.z == b.z) {\n result.z = 1.;\n }\n if(a.w == b.w) {\n result.w = 1.;\n }\n\n return result;\n","float32",!0);var n=new Ho("\nif (a == b) {\n return 1.0;\n};\nreturn a / b;",t.shape,e.shape);return this.compileAndRun(n,[t,e],"float32")},e.prototype.floorDiv=function(t,e){if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,"\n ivec4 ia = round(a);\n ivec4 ib = round(b);\n bvec4 cond = notEqual(ib, ivec4(0));\n ivec4 result = ivec4(0);\n vec4 s = sign(a) * sign(b);\n\n // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n if (cond[0]) {\n result[0] = idiv(ia[0], ib[0], s[0]);\n }\n if (cond[1]) {\n result[1] = idiv(ia[1], ib[1], s[1]);\n }\n if (cond[2]) {\n result[2] = idiv(ia[2], ib[2], s[2]);\n }\n if (cond[3]) {\n result[3] = idiv(ia[3], ib[3], s[3]);\n }\n return vec4(result);\n","int32");var n=new Ho("\n float s = sign(a) * sign(b);\n int ia = round(a);\n int ib = round(b);\n if (ib != 0) {\n // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n return float(idiv(ia, ib, s));\n } else {\n return NAN;\n }\n",t.shape,e.shape);return this.compileAndRun(n,[t,e],"int32")},e.prototype.add=function(t,e){if("complex64"===t.dtype&&"complex64"===e.dtype)return this.complexSeparableBinaryOp(t,e,Uo);if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.add(t,e);var n=Rt(t.dtype,e.dtype);if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,Uo,n);var r=new Ho(Uo,t.shape,e.shape);return this.compileAndRun(r,[t,e],n)},e.prototype.packedUnaryOp=function(t,e,n){var r=new Ga(t.shape,e);return this.compileAndRun(r,[t],n)},e.prototype.packedBinaryOp=function(t,e,n,r,o){void 0===o&&(o=!1);var i=new Ko(n,t.shape,e.shape,o);return this.compileAndRun(i,[t,e],r)},e.prototype.complexSeparableBinaryOp=function(t,e,n){var r=this,o=this.texData.get(t.dataId),i=this.texData.get(e.dataId),a=[[o.complexTensors.real,i.complexTensors.real],[o.complexTensors.imag,i.complexTensors.imag]].map((function(o){var i=o[0],a=o[1],s=r.makeComplexComponentTensorInfo(t,i),u=r.makeComplexComponentTensorInfo(e,a),c=new Ho(n,t.shape,e.shape);return r.compileAndRun(c,[s,u],Rt(i.dtype,a.dtype))})),s=a[0],u=a[1],c=this.complex(s,u);return s.dispose(),u.dispose(),c},e.prototype.makeComplexComponentTensorInfo=function(t,e){return{dataId:e.dataId,dtype:e.dtype,shape:t.shape}},e.prototype.addN=function(t){if(1===t.length)return t[0];if(t.length>h().get("WEBGL_MAX_TEXTURES_IN_SHADER")){var e=Math.floor(t.length/2),n=this.addN(t.slice(0,e)),r=this.addN(t.slice(e));return this.addN([n,r])}var o=t.map((function(t){return t.dtype})).reduce((function(t,e){return Rt(t,e)})),i=t.map((function(t){return t.shape})),a=h().getBool("WEBGL_PACK")?new go(t[0].shape,i):new mo(t[0].shape,i);return this.compileAndRun(a,t,o)},e.prototype.subtract=function(t,e){if("complex64"===t.dtype&&"complex64"===e.dtype)return this.complexSeparableBinaryOp(t,e,zo);if(this.shouldExecuteOnCPU([t,e]))return this.cpuBackend.subtract(t,e);var n=Rt(t.dtype,e.dtype);if(h().getBool("WEBGL_PACK_BINARY_OPERATIONS"))return this.packedBinaryOp(t,e,zo,t.dtype);var r=new Ho(zo,t.shape,e.shape);return this.compileAndRun(r,[t,e],n)},e.prototype.pow=function(t,e){var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko("\n // isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.\n vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));\n vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);\n vec4 result = multiplier * pow(abs(a), b);\n\n // Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS\n bvec4 isExpZero = equal(b, vec4(0.0));\n result.r = isExpZero.r ? 1.0 : result.r;\n result.g = isExpZero.g ? 1.0 : result.g;\n result.b = isExpZero.b ? 1.0 : result.b;\n result.a = isExpZero.a ? 1.0 : result.a;\n\n vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));\n \n result.r = isNaN.r > 0. ? NAN : result.r;\n result.g = isNaN.g > 0. ? NAN : result.g;\n result.b = isNaN.b > 0. ? NAN : result.b;\n result.a = isNaN.a > 0. ? NAN : result.a;\n\n return result;\n",t.shape,e.shape):new Ho("\nif(a < 0.0 && floor(b) < b){\n return NAN;\n}\nif (b == 0.0) {\n return 1.0;\n}\nreturn (round(mod(b, 2.0)) != 1) ?\n pow(abs(a), b) : sign(a) * pow(abs(a), b);\n",t.shape,e.shape),r=Rt(t.dtype,e.dtype);return this.compileAndRun(n,[t,e],r)},e.prototype.ceil=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.ceil(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Ma,t.dtype);var e=new Aa(t.shape,Ma);return this.compileAndRun(e,[t])},e.prototype.floor=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.floor(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Ba,t.dtype);var e=new Aa(t.shape,Ba);return this.compileAndRun(e,[t])},e.prototype.sign=function(t){var e=new Aa(t.shape,"\n if (isnan(x)) { return 0.0; }\n return sign(x);\n");return this.compileAndRun(e,[t])},e.prototype.isNaN=function(t){var e=new Aa(t.shape,"return float(isnan(x));");return this.compileAndRun(e,[t],"bool")},e.prototype.isInf=function(t){var e=new Aa(t.shape,"return float(isinf(x));");return this.compileAndRun(e,[t],"bool")},e.prototype.isFinite=function(t){var e=new Aa(t.shape,"return float(!isnan(x) && !isinf(x));");return this.compileAndRun(e,[t],"bool")},e.prototype.round=function(t){var e=new Aa(t.shape,"\n // OpenGL ES does not support round function.\n // The algorithm is based on banker's rounding.\n float base = floor(x);\n if ((x - base) < 0.5) {\n return floor(x);\n } else if ((x - base) > 0.5) {\n return ceil(x);\n } else {\n if (mod(base, 2.0) == 0.0) {\n return base;\n } else {\n return base + 1.0;\n }\n }\n");return this.compileAndRun(e,[t])},e.prototype.exp=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.exp(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,La,t.dtype);var e=new Aa(t.shape,La);return this.compileAndRun(e,[t])},e.prototype.expm1=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.expm1(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Wa,t.dtype);var e=new Aa(t.shape,Wa);return this.compileAndRun(e,[t])},e.prototype.softmax=function(t,e){var n=M([e],t.shape),r=this.max(t,n),o=$e(r.shape,n),i=this.subtract(t,r.reshape(o)),a=this.exp(i),s=this.sum(a,n).reshape(o);return this.realDivide(a,s)},e.prototype.log=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.log(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,"\n vec4 result = log(x);\n vec4 isNaN = vec4(lessThan(x, vec4(0.0)));\n result.r = isNaN.r == 1.0 ? NAN : result.r;\n result.g = isNaN.g == 1.0 ? NAN : result.g;\n result.b = isNaN.b == 1.0 ? NAN : result.b;\n result.a = isNaN.a == 1.0 ? NAN : result.a;\n\n return result;\n",t.dtype);var e=new Aa(t.shape,"if (x < 0.0) return NAN;\n return log(x);");return this.compileAndRun(e,[t])},e.prototype.log1p=function(t){var e=new Aa(t.shape,"return log(1.0 + x);");return this.compileAndRun(e,[t])},e.prototype.sqrt=function(t){var e=new Aa(t.shape,"return sqrt(x);");return this.compileAndRun(e,[t])},e.prototype.rsqrt=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.rsqrt(t);var e=new Aa(t.shape,"return inversesqrt(x);");return this.compileAndRun(e,[t])},e.prototype.reciprocal=function(t){var e=new Aa(t.shape,"return 1.0 / x;");return this.compileAndRun(e,[t])},e.prototype.relu=function(t){var e;return e=h().getBool("WEBGL_PACK")?new Ga(t.shape,Ua):new Aa(t.shape,Oa),this.compileAndRun(e,[t])},e.prototype.relu6=function(t){var e;return e=h().getBool("WEBGL_PACK")?new Ga(t.shape,za):new Aa(t.shape,Na),this.compileAndRun(e,[t])},e.prototype.prelu=function(t,e){var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko(qo,t.shape,e.shape):new Ho(Go,t.shape,e.shape);return this.compileAndRun(n,[t,e])},e.prototype.elu=function(t){if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Va,t.dtype);var e=new Aa(t.shape,Fa);return this.compileAndRun(e,[t])},e.prototype.eluDer=function(t,e){var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko("\n vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));\n return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));\n",t.shape,e.shape):new Ho("return (b >= 1.0) ? a : a * (b + 1.0);",t.shape,e.shape);return this.compileAndRun(n,[t,e])},e.prototype.selu=function(t){var e=new Aa(t.shape,"\n // Stable and Attracting Fixed Point (0, 1) for Normalized Weights.\n // see: https://arxiv.org/abs/1706.02515\n float scaleAlpha = 1.7580993408473768;\n float scale = 1.0507009873554805;\n return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);\n");return this.compileAndRun(e,[t])},e.prototype.int=function(t){var e=new Aa(t.shape,"return float(int(x));");return this.compileAndRun(e,[t],"int32")},e.prototype.clip=function(t,e,n){var r,o=(r=h().getBool("WEBGL_PACK_CLIP")?new Yo(t.shape):new Xo(t.shape)).getCustomSetupFunc(e,n);return this.compileAndRun(r,[t],null,o)},e.prototype.abs=function(t){if(this.shouldExecuteOnCPU([t]))return this.cpuBackend.abs(t);if(h().getBool("WEBGL_PACK_UNARY_OPERATIONS"))return this.packedUnaryOp(t,Ta,t.dtype);var e=new Aa(t.shape,Ta);return this.compileAndRun(e,[t])},e.prototype.complexAbs=function(t){var e=this.texData.get(t.dataId),n=new $o(t.shape),r=[this.makeComplexComponentTensorInfo(t,e.complexTensors.real),this.makeComplexComponentTensorInfo(t,e.complexTensors.imag)];return this.compileAndRun(n,r)},e.prototype.sigmoid=function(t){var e=new Aa(t.shape,"return 1.0 / (1.0 + exp(-1.0 * x));");return this.compileAndRun(e,[t])},e.prototype.softplus=function(t){var e=new Aa(t.shape,"\n float epsilon = 1.1920928955078125e-7;\n float threshold = log(epsilon) + 2.0;\n\n bool too_large = x > -threshold;\n bool too_small = x < threshold;\n\n float result;\n float exp_x = exp(x);\n\n if (too_large){\n result = x;\n }\n else if (too_small){\n result = exp_x;\n }\n else{\n result = log(exp_x + 1.0);\n }\n return result;\n");return this.compileAndRun(e,[t])},e.prototype.sin=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n return sin(x);\n");return this.compileAndRun(e,[t])},e.prototype.cos=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n return cos(x);\n");return this.compileAndRun(e,[t])},e.prototype.tan=function(t){var e=new Aa(t.shape,"return tan(x);");return this.compileAndRun(e,[t])},e.prototype.asin=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n if (abs(x) > 1.) {\n return NAN;\n }\n return asin(x);\n");return this.compileAndRun(e,[t])},e.prototype.acos=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n if (abs(x) > 1.) {\n return NAN;\n }\n return acos(x);\n");return this.compileAndRun(e,[t])},e.prototype.atan=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n return atan(x);\n");return this.compileAndRun(e,[t])},e.prototype.atan2=function(t,e){var n=h().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new Ko("\n vec4 result = atan(a, b);\n vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n \n result.r = isNaN.r > 0. ? NAN : result.r;\n result.g = isNaN.g > 0. ? NAN : result.g;\n result.b = isNaN.b > 0. ? NAN : result.b;\n result.a = isNaN.a > 0. ? NAN : result.a;\n\n return result;\n",t.shape,e.shape):new Ho("\n if (isnan(a)) return a;\n if (isnan(b)) return b;\n\n return atan(a, b);\n",t.shape,e.shape);return this.compileAndRun(n,[t,e])},e.prototype.sinh=function(t){var e=new Aa(t.shape,"\n float e2x = exp(x);\n return (e2x - 1.0 / e2x) / 2.0;\n");return this.compileAndRun(e,[t])},e.prototype.cosh=function(t){var e=new Aa(t.shape,"\n float e2x = exp(-x);\n return (e2x + 1.0 / e2x) / 2.0;\n");return this.compileAndRun(e,[t])},e.prototype.tanh=function(t){var e=new Aa(t.shape,"\n float e2x = exp(-2.0 * abs(x));\n return sign(x) * (1.0 - e2x) / (1.0 + e2x);\n");return this.compileAndRun(e,[t])},e.prototype.asinh=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;return log(x + sqrt(x * x + 1.0));");return this.compileAndRun(e,[t])},e.prototype.acosh=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n if (x < 1.0) return NAN;\n return log(x + sqrt(x * x - 1.0));");return this.compileAndRun(e,[t])},e.prototype.atanh=function(t){var e=new Aa(t.shape,"if (isnan(x)) return x;\n if ((x < -1.0) || (x > 1.0)) return NAN;\n return (log(1.0 + x) - log(1.0 - x)) / 2.0;");return this.compileAndRun(e,[t])},e.prototype.erf=function(t){var e=new Aa(t.shape,'\n // Error function is calculated approximately with elementary function.\n // See "Handbook of Mathematical Functions with Formulas,\n // Graphs, and Mathematical Tables", Abramowitz and Stegun.\n float p = 0.3275911;\n float a1 = 0.254829592;\n float a2 = -0.284496736;\n float a3 = 1.421413741;\n float a4 = -1.453152027;\n float a5 = 1.061405429;\n\n float sign = sign(x);\n x = abs(x);\n float t = 1.0 / (1.0 + p * x);\n return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));\n');return this.compileAndRun(e,[t])},e.prototype.step=function(t,e){var n=new Aa(t.shape,function(t){return void 0===t&&(t=0),Da+"\n return x > 0.0 ? 1.0 : float("+t+");\n "}(e));return this.compileAndRun(n,[t])},e.prototype.conv2dByMatMul=function(t,e,n,r,o,i){var a=t.shape,s=this.texData.get(t.dataId),u=n.inChannels,c=a[0]*a[1]*a[2],l=n.outChannels,f="channelsLast"===n.dataFormat,p=(1===c||1===l)&&u>1e3,d=a[2]%2!=0&&!!s.isPacked;if(p||!h().getBool("WEBGL_LAZILY_UNPACK")||!h().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!d){var v=f?a[0]*a[1]*a[2]:a[0]*a[2]*a[3],m=this.reshape(t,[1,v,n.inChannels]),g=this.reshape(e,[1,n.inChannels,n.outChannels]);return this.reshape(this.fusedBatchMatMul({a:m,b:g,transposeA:!1,transposeB:!1,bias:r,activation:o,preluActivationWeights:i}),n.outShape)}var y=f?a[0]*a[1]*(a[2]+1):a[0]*a[2]*(a[3]+1),b={dataId:t.dataId,shape:[1,y,n.inChannels],dtype:t.dtype},x=s.shape;s.shape=s.shape.slice(),s.shape[s.shape.length-2]++,_(Se(s.shape,b.shape),(function(){return"packed reshape "+s.shape+" to "+b.shape+" isn't free"}));var w=this.reshape(e,[1,n.inChannels,n.outChannels]),E=this.fusedBatchMatMul({a:b,b:w,transposeA:!1,transposeB:!1,bias:r,activation:o,preluActivationWeights:i}),C=this.texData.get(E.dataId);return _(C.isPacked,(function(){return"batchMatMul result is expected to be packed"})),s.shape=x,C.shape=n.outShape,Ft.makeTensorFromDataId(E.dataId,n.outShape,E.dtype)},e.prototype.conv2dWithIm2Row=function(t,e,n,r,o,i){var a=n.filterWidth,s=n.filterHeight,u=n.inChannels,c=n.outWidth,l=n.outHeight,h="channelsLast"===n.dataFormat,f=a*s*u,p=l*c,d=[f,p],v=t.squeeze([0]),m=e.reshape([1,f,-1]),g=new Hi(d,v.shape,n),y=this.compileAndRun(g,[v]).reshape([1,d[0],d[1]]),b=null!=r,x=null!=i,w=o?Ka(o,!0):null,E=new Ji(y.shape,[1,p,n.outChannels],!0,!1,b,w,x),C=[y,m];r&&C.push(r),x&&C.push(i);var _=this.compileAndRun(E,C);return h?_.reshape([1,l,c,n.outChannels]):_.reshape([1,n.outChannels,l,c])},e.prototype.fusedConv2d=function(t){var e=t.input,n=t.filter,r=t.convInfo,o=t.bias,i=t.activation,a=t.preluActivationWeights;if(1===r.filterHeight&&1===r.filterWidth&&1===r.dilationHeight&&1===r.dilationWidth&&1===r.strideHeight&&1===r.strideWidth&&("SAME"===r.padInfo.type||"VALID"===r.padInfo.type))return this.conv2dByMatMul(e,n,r,o,i,a);if(h().getBool("WEBGL_CONV_IM2COL")&&1===e.shape[0])return this.conv2dWithIm2Row(e,n,r,o,i,a);var s=null!=o,u=null!=a,c=i?Ka(i,!1):null,l=new ai(r,s,c,u),f=[e,n];return o&&f.push(o),a&&f.push(a),this.compileAndRun(l,f)},e.prototype.conv2d=function(t,e,n){if(1===n.filterHeight&&1===n.filterWidth&&1===n.dilationHeight&&1===n.dilationWidth&&1===n.strideHeight&&1===n.strideWidth&&("SAME"===n.padInfo.type||"VALID"===n.padInfo.type))return this.conv2dByMatMul(t,e,n);if(h().getBool("WEBGL_CONV_IM2COL")&&1===t.shape[0])return this.conv2dWithIm2Row(t,e,n);var r=new ai(n);return this.compileAndRun(r,[t,e])},e.prototype.conv2dDerInput=function(t,e,n){var r=new ei(n);return this.compileAndRun(r,[t,e])},e.prototype.conv2dDerFilter=function(t,e,n){var r=new ti(n);return this.compileAndRun(r,[t,e])},e.prototype.fusedDepthwiseConv2D=function(t){var e,n=t.input,r=t.filter,o=t.convInfo,i=t.bias,a=t.activation,s=t.preluActivationWeights,u=h().getBool("WEBGL_PACK_DEPTHWISECONV")&&o.strideWidth<=2&&o.outChannels/o.inChannels==1,c=a?Ka(a,u):null,l=[n,r],f=null!=i,p=null!=s;return f&&l.push(i),p&&l.push(s),u?(e=new ci(o,f,c,p),this.compileAndRun(e,l)):(e=new ui(o,f,c,p),this.compileAndRun(e,l))},e.prototype.depthwiseConv2D=function(t,e,n){var r;return h().getBool("WEBGL_PACK_DEPTHWISECONV")&&n.strideWidth<=2&&n.outChannels/n.inChannels==1?(r=new ci(n),this.compileAndRun(r,[t,e])):(r=new ui(n),this.compileAndRun(r,[t,e]))},e.prototype.depthwiseConv2DDerInput=function(t,e,n){var r=new ii(n);return this.compileAndRun(r,[t,e])},e.prototype.depthwiseConv2DDerFilter=function(t,e,n){var r=new oi(n);return this.compileAndRun(r,[t,e])},e.prototype.conv3d=function(t,e,n){var r=new si(n);return this.compileAndRun(r,[t,e])},e.prototype.conv3dDerInput=function(t,e,n){var r=new ri(n);return this.compileAndRun(r,[t,e])},e.prototype.conv3dDerFilter=function(t,e,n){var r=new ni(n);return this.compileAndRun(r,[t,e])},e.prototype.maxPool=function(t,e){var n=new ra(e,"max",!1);return this.compileAndRun(n,[t])},e.prototype.avgPool=function(t,e){var n=new ra(e,"avg",!1);return this.compileAndRun(n,[t],"float32")},e.prototype.maxPoolBackprop=function(t,e,n,r){var o=new ra(r,"max",!0),i=this.compileAndRun(o,[e]),a=new Yi(r),s=this.compileAndRun(a,[t,i],e.dtype);return i.dispose(),s},e.prototype.avgPoolBackprop=function(t,e,n){var r=new Mo(n);return this.compileAndRun(r,[t],e.dtype)},e.prototype.cast=function(t,e){return $r(t,e,this)},e.prototype.unstack=function(t,e){for(var n=t.shape[e],r=new Array(t.rank-1),o=0,i=0;i<t.rank;i++)i!==e&&(r[o++]=t.shape[i]);var a=new Array(t.rank).fill(0),s=t.shape.slice();s[e]=1;var u=new Array(n);for(i=0;i<u.length;i++)a[e]=i,u[i]=this.slice(t,a,s).reshape(r);return u},e.prototype.avgPool3d=function(t,e){var n=new oa(e,"avg",!1);return this.compileAndRun(n,[t],"float32")},e.prototype.avgPool3dBackprop=function(t,e,n){var r=new Bo(n);return this.compileAndRun(r,[t],e.dtype)},e.prototype.maxPool3d=function(t,e){var n=new oa(e,"max",!1);return this.compileAndRun(n,[t],"float32")},e.prototype.maxPool3dBackprop=function(t,e,n,r){var o=new oa(r,"max",!0),i=this.compileAndRun(o,[e]),a=new $i(r),s=this.compileAndRun(a,[t,i],e.dtype);return i.dispose(),s},e.prototype.reshape=function(t,e){var n=this.texData.get(t.dataId);if(n.isPacked&&!Se(t.shape,e)&&(null===n.texture||!Se(n.shape,e))){var r=this.packedReshape(t,e);return Ft.makeTensorFromDataId(r.dataId,r.shape,r.dtype)}return Jr(t,e)},e.prototype.resizeBilinear=function(t,e,n,r){var o=h().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new ca(t.shape,e,n,r):new ua(t.shape,e,n,r);return this.compileAndRun(o,[t],"float32")},e.prototype.resizeBilinearBackprop=function(t,e,n){var r=new sa(t,e,n);return this.compileAndRun(r,[t])},e.prototype.resizeNearestNeighbor=function(t,e,n,r){var o=new ha(t.shape,e,n,r);return this.compileAndRun(o,[t])},e.prototype.resizeNearestNeighborBackprop=function(t,e,n){var r=new la(t,e,n);return this.compileAndRun(r,[t])},e.prototype.multinomial=function(t,e,n,r){var o=e?t:Dr(t),i=o.shape[0],a=o.shape[1],s=new Qi(i,a,n),u=s.getCustomSetupFunc(r);return this.compileAndRun(s,[o],"int32",u)},e.prototype.oneHot=function(t,e,n,r){var o=new Zi(t.size,e,n,r);return this.compileAndRun(o,[t])},e.prototype.diag=function(t){var e=new mi(t.size);return this.compileAndRun(e,[t])},e.prototype.nonMaxSuppression=function(t,e,n,r,o){return ze("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead"),io(t.dataSync(),e.dataSync(),n,r,o)},e.prototype.cropAndResize=function(t,e,n,r,o,i){var a=new li(t.shape,e.shape,r,o,i);return this.compileAndRun(a,[t,e,n],"float32")},e.prototype.depthToSpace=function(t,e,n){_(e>1,(function(){return"blockSize should be > 1 for depthToSpace, but was: "+e}));var r=t.shape[0],o="NHWC"===n?t.shape[1]:t.shape[2],i="NHWC"===n?t.shape[2]:t.shape[3],a="NHWC"===n?t.shape[3]:t.shape[1],s=o*e,u=i*e,c=a/(e*e),l=new vi("NHWC"===n?[r,s,u,c]:[r,c,s,u],e,n);return this.compileAndRun(l,[t])},e.prototype.split=function(t,e,n){return ho(t,e,n)},e.prototype.scatterND=function(t,e,n){var r=wr(0,t,n),o=r.sliceRank,i=r.numUpdates,a=r.sliceSize,s=r.strides,u=r.outputSize,c=[u/a,a],l=t.reshape([i,o]),h=e.reshape([i,a]);if(0===u)return Jr(un([]),n);var f=ln(0),p=new da(i,o,l.rank,h.rank,s,c);return this.compileAndRun(p,[h,l,f]).reshape(n)},e.prototype.sparseToDense=function(t,e,n,r){var o=wr(0,t,n),i=o.sliceRank,a=o.numUpdates,s=o.strides,u=o.outputSize,c=new da(a,i,t.rank,e.rank,s,[u,1],!1);return this.compileAndRun(c,[e,t,r]).reshape(n)},e.prototype.fft=function(t){return this.fftImpl(t,!1)},e.prototype.ifft=function(t){return this.fftImpl(t,!0)},e.prototype.fftImpl=function(t,e){var n=this.texData.get(t.dataId),r=new wi("return real * expR - imag * expI;",t.shape,e),o=new wi("return real * expI + imag * expR;",t.shape,e),i=[this.makeComplexComponentTensorInfo(t,n.complexTensors.real),this.makeComplexComponentTensorInfo(t,n.complexTensors.imag)],a=this.compileAndRun(r,i),s=this.compileAndRun(o,i),u=this.complex(a,s).as2D(t.shape[0],t.shape[1]);return a.dispose(),s.dispose(),u},e.prototype.gatherND=function(t,e){var n=e.shape,r=n[n.length-1],o=gr(t,e),i=o[0],a=o[1],s=o[2],u=o[3],c=e.reshape([a,r]),l=t.reshape([t.size/s,s]),h=new _i(r,u,[a,s]);return this.compileAndRun(h,[l,c]).reshape(i)},e.prototype.fill=function(t,e,n){if("string"===(n=n||Y(e))){var r=W(n,k(t));return r.fill(e),Ft.makeTensor(r,t,n,this)}var o=new Ei(t,e),i=o.getCustomSetupFunc(e);return this.compileAndRun(o,[],n,i)},e.prototype.onesLike=function(t){if("string"===t.dtype)throw new Error("onesLike is not supported under string dtype");return this.fill(t.shape,1,t.dtype)},e.prototype.zerosLike=function(t){return this.fill(t.shape,"string"===t.dtype?"":0,t.dtype)},e.prototype.linspace=function(t,e,n){return Qr(t,e,n)},e.prototype.makeTensorInfo=function(t,e){var n=this.write(null,t,e);return this.texData.get(n).usage=null,{dataId:n,shape:t,dtype:e}},e.prototype.makeOutput=function(t,e){var n=this.makeTensorInfo(t,e).dataId;return Ft.makeTensorFromDataId(n,t,e,this)},e.prototype.unpackTensor=function(t){var e=new Ha(t.shape);return this.runWebGLProgram(e,[t],t.dtype)},e.prototype.packTensor=function(t){var e=new ta(t.shape);return this.runWebGLProgram(e,[t],t.dtype,null,!0)},e.prototype.packedReshape=function(t,e){var n=[Ee(t.shape)].concat(Ce(t.shape)),r={dtype:t.dtype,shape:n,dataId:t.dataId},o=[Ee(e)].concat(Ce(e)),i=new aa(o,n),a=this.runWebGLProgram(i,[r],t.dtype,null,!0);return{dataId:a.dataId,shape:e,dtype:a.dtype}},e.prototype.decode=function(t){var e,n=this.texData.get(t),r=n.isPacked,o=n.shape,i=n.dtype,a=_e(o);return e=r?new di(a):new pi(a),{dtype:i,shape:o,dataId:this.runWebGLProgram(e,[{shape:a,dtype:i,dataId:t}],i,null,!0).dataId}},e.prototype.runWebGLProgram=function(t,e,n,r,o){var i=this;void 0===o&&(o=!1);var a=this.makeTensorInfo(t.outputShape,n),s=this.texData.get(a.dataId);if(t.packedOutput&&(s.isPacked=!0),t.outPackingScheme===Bt.DENSE){var u=Ht(t.outputShape);s.texShape=u.map((function(t){return 2*t}))}if(null!=t.outTexUsage&&(s.usage=t.outTexUsage),0===k(a.shape))return s.values=L(a.dtype,0),a;var c=[],l=e.map((function(e){if("complex64"===e.dtype)throw new Error("GPGPUProgram does not support complex64 input. For complex64 dtypes, please separate the program into real and imaginary parts.");var n=i.texData.get(e.dataId);if(null==n.texture){if(!t.packedInputs&&k(e.shape)<=h().getNumber("WEBGL_SIZE_UPLOAD_UNIFORM"))return{shape:e.shape,texData:null,isUniform:!0,uniformValues:n.values};t.packedInputs&&(n.isPacked=!0,n.shape=e.shape)}else if(!!n.isPacked!=!!t.packedInputs)e=n.isPacked?i.unpackTensor(e):i.packTensor(e),c.push(e),n=i.texData.get(e.dataId);else if(n.isPacked&&!Se(n.shape,e.shape)){var r=e,o=e.shape;e.shape=n.shape,e=i.packedReshape(e,o),c.push(e),n=i.texData.get(e.dataId),r.shape=o}return i.uploadToGPU(e.dataId),{shape:e.shape,texData:n,isUniform:!1}}));this.uploadToGPU(a.dataId);var f,p={shape:a.shape,texData:s,isUniform:!1},d=function(t,e,n){var r="";e.concat(n).forEach((function(t){var e=null!=t.texData&&null!=t.texData.slice&&t.texData.slice.flatOffset>0,n=t.isUniform?"uniform":t.texData.texShape;r+=t.shape+"_"+n+"_"+e}));var o=t.userCode;return t.constructor.name+"_"+r+"_"+o}(t,l,p),v=this.getAndSaveBinary(d,(function(){return function(t,e,n,r){var o=e.userCode,i=n.map((function(t,n){var r={logicalShape:t.shape,texShape:t.isUniform?null:t.texData.texShape,isUniform:t.isUniform,isPacked:!t.isUniform&&t.texData.isPacked,flatOffset:null};return null!=t.texData&&null!=t.texData.slice&&t.texData.slice.flatOffset>0&&(r.flatOffset=t.texData.slice.flatOffset),{name:e.variableNames[n],shapeInfo:r}})),a=i.map((function(t){return t.shapeInfo})),s={logicalShape:r.shape,texShape:r.texData.texShape,isUniform:!1,isPacked:r.texData.isPacked,flatOffset:null},u=Io(i,s,o,e.packedInputs),c=t.createProgram(u),l=null,f=t.getUniformLocation(c,"NAN",!1);1===h().getNumber("WEBGL_VERSION")&&(l=t.getUniformLocation(c,"INFINITY",!1));for(var p={},d=0;d<e.variableNames.length;d++){var v=e.variableNames[d];p[v]=t.getUniformLocation(c,v,!1),p["offset"+v]=t.getUniformLocation(c,"offset"+v,!1)}return{program:e,source:u,webGLProgram:c,uniformLocations:p,inShapeInfos:a,outShapeInfo:s,infLoc:l,nanLoc:f}}(i.gpgpu,t,l,p)})),m=null!=this.activeTimers;if(m&&(f=this.startTimer()),function(t,e,n,r,o){Gi(e.inShapeInfos,n),Gi([e.outShapeInfo],[r]);var i=r.texData.texture,a=r.texData.texShape;r.texData.isPacked?t.setOutputPackedMatrixTexture(i,a[0],a[1]):t.setOutputMatrixTexture(i,a[0],a[1]),t.setProgram(e.webGLProgram),1===h().getNumber("WEBGL_VERSION")&&null!==e.infLoc&&t.gl.uniform1f(e.infLoc,1/0),null!==e.nanLoc&&t.gl.uniform1f(e.nanLoc,NaN),n.forEach((function(n,r){var o=e.program.variableNames[r],i=e.uniformLocations[o],a=e.uniformLocations["offset"+o];if(null!=i)if(n.isUniform)if(k(n.shape)<2)t.gl.uniform1f(i,n.uniformValues[0]);else{var s=n.uniformValues;s instanceof Float32Array||(s=new Float32Array(s)),t.gl.uniform1fv(i,s)}else null!=n.texData.slice&&null!=a&&t.gl.uniform1i(a,n.texData.slice.flatOffset),t.setInputMatrixTexture(n.texData.texture,i,r)})),null!=o&&o(t,e.webGLProgram),t.executeProgram()}(this.gpgpu,v,l,p,r),c.forEach((function(t){return i.disposeData(t.dataId)})),m&&(f=this.endTimer(f),this.activeTimers.push({name:t.constructor.name,query:this.getQueryTime(f)})),!h().getBool("WEBGL_LAZILY_UNPACK")&&s.isPacked&&!1===o){var g=this.unpackTensor(a);return this.disposeData(a.dataId),g}return a},e.prototype.compileAndRun=function(t,e,n,r,o){void 0===o&&(o=!1),n=n||e[0].dtype;var i=this.runWebGLProgram(t,e,n,r,o);return Ft.makeTensorFromDataId(i.dataId,i.shape,i.dtype)},e.prototype.getAndSaveBinary=function(t,e){return t in this.binaryCache||(this.binaryCache[t]=e()),this.binaryCache[t]},e.prototype.getTextureManager=function(){return this.textureManager},e.prototype.dispose=function(){var t=this;this.disposed||(h().getBool("IS_TEST")||Object.keys(this.binaryCache).forEach((function(e){t.gpgpu.deleteProgram(t.binaryCache[e].webGLProgram),delete t.binaryCache[e]})),this.textureManager.dispose(),null!=this.canvas&&"undefined"!=typeof HTMLCanvasElement&&this.canvas instanceof HTMLCanvasElement?this.canvas.remove():this.canvas=null,this.gpgpuCreatedLocally&&(this.gpgpu.program=null,this.gpgpu.dispose()),this.disposed=!0)},e.prototype.floatPrecision=function(){var t=this;return null==this.floatPrecisionValue&&(this.floatPrecisionValue=je((function(){if(!h().get("WEBGL_RENDER_FLOAT32_ENABLED")){var e=h().getBool("DEBUG");h().set("DEBUG",!1);var n=t.abs(ln(1e-8)).dataSync()[0];if(h().set("DEBUG",e),n>0)return 32}return 16}))),this.floatPrecisionValue},e.prototype.epsilon=function(){return 32===this.floatPrecision()?1e-7:1e-4},e.prototype.uploadToGPU=function(t){var e,n=this.texData.get(t),r=n.shape,o=n.dtype,i=n.values,a=n.texture,s=n.usage,u=n.isPacked;if(null==a){var c,l=null!=this.activeTimers;l&&(c=rt());var h=n.texShape;if(null==h&&(h=Ie(r,u),n.texShape=h),null!=i){var f=_e(r),p=void 0,d=h[1],v=h[0],m=i instanceof Uint8Array;u?(d=(e=qt(h[0],h[1]))[0],v=e[1],p=new xi(f,[v,d],m)):p=new bi(f,[v,d],m);var g=this.makeTensorInfo([v,d],o);this.texData.get(g.dataId).usage=m?Lt.PIXELS:Lt.UPLOAD,this.gpgpu.uploadDenseMatrixToTexture(this.getTexture(g.dataId),d,v,i);var y=this.runWebGLProgram(p,[g],o,null,!0),b=this.texData.get(y.dataId);n.texture=b.texture,n.texShape=b.texShape,n.isPacked=b.isPacked,n.usage=b.usage,this.disposeData(g.dataId),this.texData.delete(y.dataId),n.values=null,l&&(this.uploadWaitMs+=rt()-c)}else{var x=this.acquireTexture(h,s,o,u);n.texture=x}}},e.prototype.convertAndCacheOnCPU=function(t,e){var n=this.texData.get(t),r=n.dtype;return this.releaseGPUData(t),null!=e&&(n.values=function(t,e){if("float32"===e||"complex64"===e)return t;if("int32"===e||"bool"===e){for(var n="int32"===e?new Int32Array(t.length):new Uint8Array(t.length),r=0;r<n.length;++r)n[r]=Math.round(t[r]);return n}throw new Error("Unknown dtype "+e)}(e,r)),n.values},e.prototype.acquireTexture=function(t,e,n,r){if(this.numBytesInGPU+=this.computeBytes(t,n),!this.warnedAboutMemory&&this.numBytesInGPU>1024*this.numMBBeforeWarning*1024){var o=(this.numBytesInGPU/1024/1024).toFixed(2);this.warnedAboutMemory=!0,console.warn("High memory usage in GPU: "+o+" MB, most likely due to a memory leak")}return this.textureManager.acquireTexture(t,e,r)},e.prototype.computeBytes=function(t,e){return t[0]*t[1]*G(e)},e}(Nr);Pt()&&Ft.registerBackend("webgl",(function(){return new Xa}),2);var Ya=rn({square_:function(t){var e=He(t,"x","square"),n=[e];return Ft.runKernelFunc((function(t,n){return n([e]),t.square(e)}),{x:e},null,"Square",{},n,[])}}),$a="SquaredDifference",Ja=rn({squaredDifference_:function(t,e){var n,r=He(t,"a","squaredDifference"),o=He(e,"b","squaredDifference");n=kt(r,o),r=n[0],o=n[1],Br(r.shape,o.shape);var i={a:r,b:o},a=[r,o];return Ft.runKernelFunc((function(t,e){var n=t.squaredDifference(r,o);return e([r,o]),n}),i,(function(t,e){var n=e[0],r=e[1],o=ln(2);return{a:function(){return t.mul(n.sub(r).mul(o))},b:function(){return t.mul(r.sub(n).mul(o))}}}),$a,{},a,[])}}),Qa=rn({abs_:function(t){var e=He(t,"x","abs");return"complex64"===e.dtype?Ft.runKernelFunc((function(t){return t.complexAbs(e)}),{$x:e}):Ft.runKernelFunc((function(t,n){var r=t.abs(e);return n([e]),r}),{x:e},(function(t,e){var n=e[0];return{x:function(){return t.mul(n.toFloat().step(-1))}}}),"Abs")}}),Za=rn({acos_:function(t){var e=He(t,"x","acos");return Ft.runKernelFunc((function(t,n){var r=t.acos(e);return n([e]),r}),{$x:e},(function(t,e){var n=e[0];return{$x:function(){return t.divStrict(ln(1).sub(n.toFloat().square()).sqrt()).neg()}}}))}}),ts=rn({acosh_:function(t){var e=He(t,"x","acosh");return Ft.runKernelFunc((function(t,n){var r=t.acosh(e);return n([e]),r}),{$x:e},(function(t,e){var n=e[0];return{$x:function(){return t.divStrict(n.toFloat().square().sub(1).sqrt())}}}))}}),es=rn({asin_:function(t){var e=He(t,"x","asin");return Ft.runKernelFunc((function(t,n){var r=t.asin(e);return n([e]),r}),{$x:e},(function(t,e){var n=e[0];return{$x:function(){return t.divStrict(ln(1).sub(n.toFloat().square()).sqrt())}}}))}}),ns=rn({asinh_:function(t){var e=He(t,"x","asinh");return Ft.runKernelFunc((function(t,n){var r=t.asinh(e);return n([e]),r}),{$x:e},(function(t,e){var n=e[0];return{$x:function(){return t.divStrict(ln(1).add(n.toFloat().square()).sqrt())}}}))}}),rs=rn({atan_:function(t){var e=He(t,"x","atan");return Ft.runKernelFunc((function(t,n){var r=t.atan(e);return n([e]),r}),{$x:e},(function(t,e){var n=e[0];return{$x:function(){return t.div(n.toFloat().square().add(1))}}}))}}),os=rn({atanh_:function(t){var e=He(t,"x","atanh");return Ft.runKernelFunc((function(t,n){var r=t.atanh(e);return n([e]),r}),{$x:e},(function(t,e){var n=e[0];return{$x:function(){return 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Ns(t,e,n,r,o,i){var a,s,u=He(t,"x","batchNorm"),c=He(e,"mean","batchNorm"),l=He(n,"variance","batchNorm");return null!=o&&(a=He(o,"scale","batchNorm")),null!=r&&(s=He(r,"offset","batchNorm")),_(3===u.rank,(function(){return"Error in batchNorm3D: x must be rank 3 but got rank "+u.rank+"."})),_(3===c.rank||1===c.rank,(function(){return"Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank "+c.rank+"."})),_(3===l.rank||1===l.rank,(function(){return"Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank "+l.rank+"."})),null!=a&&_(3===a.rank||1===a.rank,(function(){return"Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank "+a.rank+"."})),null!=s&&_(3===s.rank||1===s.rank,(function(){return"Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank "+s.rank+"."})),Ps(u,c,l,s,a,i)}function Fs(t,e,n,r,o,i){var a,s,u=He(t,"x","batchNorm"),c=He(e,"mean","batchNorm"),l=He(n,"variance","batchNorm");return null!=o&&(a=He(o,"scale","batchNorm")),null!=r&&(s=He(r,"offset","batchNorm")),_(4===u.rank,(function(){return"Error in batchNorm4D: x must be rank 4 but got rank "+u.rank+"."})),_(4===c.rank||1===c.rank,(function(){return"Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank "+c.rank+"."})),_(4===l.rank||1===l.rank,(function(){return"Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank "+l.rank+"."})),null!=a&&_(4===a.rank||1===a.rank,(function(){return"Error in batchNorm4D: scale must be rank 4 or rank 1 but got rank "+a.rank+"."})),null!=s&&_(4===s.rank||1===s.rank,(function(){return"Error in batchNorm4D: offset must be rank 4 or rank 1 but got rank "+s.rank+"."})),Ps(u,c,l,s,a,i)}function Ps(t,e,n,r,o,i){null==i&&(i=.001);var a,s,u,c=He(t,"x","batchNorm"),l=He(e,"mean","batchNorm"),h=He(n,"variance","batchNorm");null!=o&&(a=He(o,"scale","batchNorm")),null!=r&&(s=He(r,"offset","batchNorm")),_(l.rank===h.rank,(function(){return"Batch normalization gradient 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only NHWC is supported");_(4===l.rank,(function(){return"Error in separableConv2d: input must be rank 4, but got rank "+l.rank+"."})),_(4===u.rank,(function(){return"Error in separableConv2d: depthwise filter must be rank 4, but got rank "+u.rank+"."})),_(4===c.rank,(function(){return"Error in separableConv2d: pointwise filter must be rank 4, but got rank "+u.rank+"."})),_(1===c.shape[0],(function(){return"Error in separableConv2d: the first dimension of pointwise filter must be 1, but got "+c.shape[0]+"."})),_(1===c.shape[1],(function(){return"Error in separableConv2d: the second dimension of pointwise filter must be 1, but got "+c.shape[1]+"."}));var f=u.shape[2],p=u.shape[3];_(c.shape[2]===f*p,(function(){return"Error in separableConv2d: the third dimension of pointwise filter must be "+f*p+", but got "+c.shape[2]+"."}));var d=Vu(l,u,r,o,a,i),v=Wu(d,c,1,"valid",a);return h?v.as3D(v.shape[1],v.shape[2],v.shape[3]):v}}),Ku=rn({conv2dTranspose_:function(t,e,n,r,o,i){return Pu(n,He(t,"x","conv2dTranspose"),He(e,"filter","conv2dTranspose"),r,o,"NHWC",i)}}),Xu=rn({conv3dTranspose_:function(t,e,n,r,o){return Bu(n,He(t,"x","conv3dTranspose"),He(e,"filter","conv3dTranspose"),r,o)}}),Yu=rn({matMul_:function(t,e,n,r){var o;void 0===n&&(n=!1),void 0===r&&(r=!1);var i=He(t,"a","matMul"),a=He(e,"b","matMul");o=kt(i,a),i=o[0],a=o[1];var s=n?i.shape[i.rank-2]:i.shape[i.rank-1],u=r?a.shape[a.rank-1]:a.shape[a.rank-2],c=n?i.shape[i.rank-1]:i.shape[i.rank-2],l=r?a.shape[a.rank-2]:a.shape[a.rank-1],h=i.shape.slice(0,-2),f=a.shape.slice(0,-2),p=k(h),d=k(f);_(i.rank>=2&&a.rank>=2&&i.rank===a.rank,(function(){return"Error in matMul: inputs must have the same rank of at least 2, got ranks "+i.rank+" and "+a.rank+"."})),_(A(h,f),(function(){return"Error in matMul: outer dimensions ("+h+") and ("+f+") of Tensors with shapes "+i.shape+" and "+a.shape+" must match."})),_(s===u,(function(){return"Error in matMul: inner shapes ("+s+") and ("+u+") of Tensors with shapes "+i.shape+" and "+a.shape+" and transposeA="+n+" and transposeB="+r+" must match."}));var v=i.shape.slice(0,-2).concat([c,l]),m=n?i.as3D(p,s,c):i.as3D(p,c,s),g=r?a.as3D(d,l,u):a.as3D(d,u,l),y={transposeA:n,transposeB:r};return Ft.runKernelFunc((function(t,e){var o=t.batchMatMul(m,g,n,r);return e([m,g]),o}),{a:m,b:g},(function(t,e){var o=e,i=o[0],a=o[1];return n||r?!n&&r?{a:function(){return t.matMul(a,!1,!1)},b:function(){return t.matMul(i,!0,!1)}}:n&&!r?{a:function(){return a.matMul(t,!1,!0)},b:function(){return i.matMul(t,!1,!1)}}:{a:function(){return a.matMul(t,!0,!0)},b:function(){return t.matMul(i,!0,!0)}}:{a:function(){return t.matMul(a,!1,!0)},b:function(){return i.matMul(t,!0,!1)}}}),"BatchMatMul",y).reshape(v)}}),$u=rn({dot_:function(t,e){var n=He(t,"t1","dot"),r=He(e,"t2","dot");_(!(1!==n.rank&&2!==n.rank||1!==r.rank&&2!==r.rank),(function(){return"Error in dot: inputs must all be rank 1 or 2, but got ranks "+n.rank+" and "+r.rank+"."}));var o=1===n.rank?n.size:n.shape[1],i=1===r.rank?r.size:r.shape[0];return _(o===i,(function(){return"Error in dot: inner dimensions of inputs must match, but got "+o+" and "+i+"."})),1===n.rank&&1===r.rank?n.as2D(1,-1).matMul(r.as2D(-1,1)).asScalar():1===n.rank&&2===r.rank?n.as2D(1,-1).matMul(r.as2D(r.shape[0],r.shape[1])).as1D():2===n.rank&&1===r.rank?n.matMul(r.as2D(-1,1)).as1D():n.matMul(r.as2D(r.shape[0],r.shape[1]))}}),Ju=rn({outerProduct_:function(t,e){var n=He(t,"v1","outerProduct"),r=He(e,"v2","outerProduct");return _(1===n.rank&&1===r.rank,(function(){return"Error in outerProduct: inputs must be rank 1, but got ranks "+n.rank+" and "+r.rank+"."})),n.as2D(-1,1).matMul(r.as2D(1,-1))}}),Qu=rn({reverse_:function(t,e){var n=He(t,"x","reverse");if(0===n.rank)return n.clone();var r=M(e,n.shape);return Ft.runKernelFunc((function(t){return t.reverse(n,r)}),{$x:n},(function(t){return{$x:function(){return t.reverse(r)}}})).reshapeAs(n)}}),Zu=rn({reverse1d_:function(t){var e=He(t,"x","reverse");return _(1===e.rank,(function(){return"Error in reverse1D: x must be rank 1 but got rank "+e.rank+"."})),Qu(e,0)}}),tc=rn({reverse2d_:function(t,e){var n=He(t,"x","reverse");return _(2===n.rank,(function(){return"Error in reverse2D: x must be rank 2 but got rank "+n.rank+"."})),Qu(n,e)}}),ec=rn({reverse3d_:function(t,e){var n=He(t,"x","reverse");return _(3===n.rank,(function(){return"Error in reverse3D: x must be rank 3 but got rank "+n.rank+"."})),Qu(n,e)}}),nc=rn({reverse4d_:function(t,e){var n=He(t,"x","reverse");return _(4===n.rank,(function(){return"Error in reverse4D: x must be rank 4 but got rank "+n.rank+"."})),Qu(n,e)}});function rc(t,e,n,r,o,i){var a=He(t,"x","maxPool"),s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),null==r&&(r=[1,1]),_(4===s.rank,(function(){return"Error in maxPool: input must be rank 4 but got rank "+s.rank+"."})),_(Xr(n,r),(function(){return"Error in maxPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+r+"'"})),null!=i&&_(D(o),(function(){return"Error in maxPool: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+o+"."}));var c=Lr(s.shape,e,n,r,o,i);if(1===c.filterWidth&&1===c.filterHeight&&A(c.inShape,c.outShape))return a.clone();var l=[s],h=Ft.runKernelFunc((function(t,e){var n=t.maxPool(s,c);return e([s,n]),n}),{x:s},(function(t,i){var a=i[0],s=i[1];return{x:function(){return function(t,e,n,r,o,i,a,s){var u=He(t,"dy","maxPoolBackprop"),c=He(e,"input","maxPoolBackprop"),l=He(n,"output","maxPoolBackprop");_(c.rank===u.rank,(function(){return"Rank of input ("+c.rank+") does not match rank of dy ("+u.rank+")"})),null==i&&(i=[1,1]),_(Xr(o,i),(function(){return"Error in maxPoolBackProp: Either strides or dilations must be 1. Got strides "+o+" and dilations '"+i+"'"})),_(4===u.rank,(function(){return"Error in maxPoolBackprop: dy must be rank 4 but got rank "+u.rank+"."})),_(4===c.rank,(function(){return"Error in maxPoolBackprop: input must be rank 4 but got rank "+c.rank+"."}));var h=Lr(c.shape,r,o,i,a,s);return Ft.runKernelFunc((function(t){return t.maxPoolBackprop(u,c,l,h)}),{$dy:u,$input:c})}(t,a,s,e,n,r,o)}}}),"MaxPool",c,l);return u?h.as3D(h.shape[1],h.shape[2],h.shape[3]):h}function oc(t,e,n,r,o,i){var a=He(t,"x","avgPool","float32");null==r&&(r=[1,1]),_(Xr(n,r),(function(){return"Error in avgPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+r+"'"}));var s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(4===s.rank,(function(){return"Error in avgPool: x must be rank 4 but got rank "+s.rank+"."})),null!=i&&_(D(o),(function(){return"Error in avgPool: pad must be an integer when using, dimRoundingMode "+i+" but got pad "+o+"."}));var c=Lr(s.shape,e,n,r,o,i);if(1===c.filterWidth&&1===c.filterHeight&&A(c.inShape,c.outShape))return a.clone();var l=Ft.runKernelFunc((function(t){return t.avgPool(s,c)}),{x:s},(function(t){return{x:function(){return function(t,e,n,r,o,i){var a=He(t,"dy","avgPoolBackprop"),s=He(e,"input","avgPoolBackprop");_(s.rank===a.rank,(function(){return"Rank of input ("+s.rank+") does not match rank of dy ("+a.rank+")"})),null==o&&(o=[1,1]),_(Xr(r,o),(function(){return"Error in avgPoolBackprop: Either strides or dilations must be 1. Got strides "+r+" and dilations '"+o+"'"}));var u=s,c=a,l=!1;3===s.rank&&(l=!0,u=s.as4D(1,s.shape[0],s.shape[1],s.shape[2]),c=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(4===c.rank,(function(){return"Error in avgPoolBackprop: dy must be rank 4 but got rank "+c.rank+"."})),_(4===u.rank,(function(){return"Error in avgPoolBackprop: input must be rank 4 but got rank "+u.rank+"."}));var h=Lr(u.shape,n,r,o,i),f=Ft.runKernelFunc((function(t){return t.avgPoolBackprop(c,u,h)}),{dy4D:c,input4D:u});return l?f.as3D(f.shape[1],f.shape[2],f.shape[3]):f}(t,s,e,n,r,o)}}}),"AvgPool",c);return l=l.cast(a.dtype),u?l.as3D(l.shape[1],l.shape[2],l.shape[3]):l}var ic=rn({maxPool_:function(t,e,n,r,o){return rc(t,e,n,1,r,o)}}),ac=rn({avgPool_:function(t,e,n,r,o){return oc(t,e,n,1,r,o)}}),sc=rn({pool_:function(t,e,n,r,o,i){null==o&&(o=[1,1]),null==i&&(i=1),0===r&&(r="valid");var a=He(t,"x","maxPool"),s=a,u=!1;3===a.rank&&(u=!0,s=a.as4D(1,a.shape[0],a.shape[1],a.shape[2])),_(Xr(i,o),(function(){return"Error in pool: Either strides or dilations must be 1. 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Got strides "+n+" and dilations '"+a+"'"})),null!=o&&_(D(r),(function(){return"Error in maxPool3d: pad must be an integer when using, dimRoundingMode "+o+" but got pad "+r+"."}));var l=Wr(u.shape,e,n,a,r,o,i),h=Ft.runKernelFunc((function(t,e){var n=t.maxPool3d(u,l);return e([u,n]),n}),{x:u},(function(t,i){var s=i[0],u=i[1];return{x:function(){return function(t,e,n,r,o,i,a,s){var u=He(t,"dy","maxPool3dBackprop"),c=He(e,"input","maxPool3dBackprop"),l=He(n,"output","maxPool3dBackprop"),h=u,f=c,p=l,d=!1;4===c.rank&&(d=!0,h=u.as5D(1,u.shape[0],u.shape[1],u.shape[2],u.shape[3]),f=c.as5D(1,c.shape[0],c.shape[1],c.shape[2],c.shape[3]),p=l.as5D(1,l.shape[0],l.shape[1],l.shape[2],l.shape[3])),_(5===h.rank,(function(){return"Error in maxPool3dBackprop: dy must be rank 5 but got rank "+h.rank+"."})),_(5===f.rank,(function(){return"Error in maxPool3dBackprop: input must be rank 5 but got rank "+f.rank+"."})),_(5===p.rank,(function(){return"Error in maxPool3dBackprop: output must be rank 5 but got rank "+p.rank+"."})),null==i&&(i=[1,1,1]),_(Xr(o,i),(function(){return"Error in maxPool3dBackprop: Either strides or dilations must be 1. Got strides "+o+" and dilations '"+i+"'"})),null!=s&&_(D(a),(function(){return"Error in maxPool3dBackprop: pad must be an integer when using, dimRoundingMode "+s+" but got pad "+a+"."}));var v=Wr(f.shape,r,o,i,a,s),m=Ft.runKernelFunc((function(t){return t.maxPool3dBackprop(h,f,p,v)}),{dy5D:h,input5D:f});return d?m.as4D(m.shape[1],m.shape[2],m.shape[3],m.shape[4]):m}(t,s,u,e,n,a,r,o)}}}));return c?h.as4D(h.shape[1],h.shape[2],h.shape[3],h.shape[4]):h}}),cc=rn({avgPool3d_:function(t,e,n,r,o,i,a){void 0===i&&(i="NDHWC");var s=He(t,"x","avgPool3d","float32"),u=s,c=!1;4===s.rank&&(c=!0,u=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3])),null==a&&(a=[1,1,1]),_(5===u.rank,(function(){return"Error in avgPool3d: x must be rank 5 but got rank "+u.rank+"."})),_("NDHWC"===i,(function(){return"Error in avgPool3d: Only NDHWC is currently supported, but got dataFormat of "+i})),_(Xr(n,a),(function(){return"Error in avgPool3d: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+a+"'"})),null!=o&&_(D(r),(function(){return"Error in avgPool3d: pad must be an integer when using, dimRoundingMode "+o+" but got pad "+r+"."}));var l=Wr(u.shape,e,n,a,r,o,i),h=Ft.runKernelFunc((function(t){return t.avgPool3d(u,l)}),{x:u},(function(t){return{x:function(){return function(t,e,n,r,o,i,a){var s=He(t,"dy","avgPool3dBackprop"),u=He(e,"input","avgPool3dBackprop"),c=s,l=u,h=!1;4===u.rank&&(h=!0,c=s.as5D(1,s.shape[0],s.shape[1],s.shape[2],s.shape[3]),l=u.as5D(1,u.shape[0],u.shape[1],u.shape[2],u.shape[3])),_(5===c.rank,(function(){return"Error in avgPool3dBackprop: dy must be rank 5 but got rank "+c.rank+"."})),_(5===l.rank,(function(){return"Error in avgPool3dBackprop: input must be rank 5 but got rank "+l.rank+"."})),null==o&&(o=[1,1,1]),_(Xr(r,o),(function(){return"Error in avgPool3dBackprop: Either strides or dilations must be 1. 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Array(i.rank-n.length).fill(-1)):n).map((function(t,e){return t>=0?t:(_(-1===t,(function(){return"Negative size values should be exactly -1 but got "+t+" for the slice() size at index "+e+"."})),i.shape[e]-r[e])})),Er(i,r,o);var a=i.shape,s={begin:r,size:o};return Ft.runKernelFunc((function(t){return t.slice(i,r,o)}),{x:i},(function(t){for(var e=[],n=0;n<t.rank;n++)e.push([r[n],a[n]-r[n]-o[n]]);return{x:function(){return t.pad(e)}}}),"Slice",s)}}),hc=rn({slice1d_:function(t,e,n){var r=He(t,"x","slice1d");return _(1===r.rank,(function(){return"slice1d expects a rank-1 tensor, but got a rank-"+r.rank+" tensor"})),lc(r,[e],[n])}}),fc=rn({slice2d_:function(t,e,n){var r=He(t,"x","slice2d");return _(2===r.rank,(function(){return"slice2d expects a rank-2 tensor, but got a rank-"+r.rank+" tensor"})),lc(r,e,n)}}),pc=rn({slice3d_:function(t,e,n){var r=He(t,"x","slice3d");return _(3===r.rank,(function(){return"slice3d expects a rank-3 tensor, but got a rank-"+r.rank+" 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o=He(t,"labels","absoluteDifference"),i=He(e,"predictions","absoluteDifference"),a=null;null!=n&&(a=He(n,"weights","absoluteDifference")),I(o.shape,i.shape,"Error in absoluteDifference: ");var s=o.sub(i).abs();return il(s,a,r)}}),il=rn({computeWeightedLoss_:function(t,e,n){void 0===n&&(n=Qc.SUM_BY_NONZERO_WEIGHTS);var r=He(t,"losses","computeWeightedLoss"),o=null;null!=e&&(o=He(e,"weights","computeWeightedLoss"));var i=null==o?r:r.mul(o);if(n===Qc.NONE)return i;if(n===Qc.SUM)return i.sum();if(n===Qc.MEAN){if(null==o)return i.mean();var a=r.size/o.size,s=i.sum().div(o.sum());return a>1?s.div(ln(a)):s}if(n===Qc.SUM_BY_NONZERO_WEIGHTS){if(null==o)return i.sum().div(ln(r.size));var u=o.mul(vn(r.shape)).notEqual(ln(0)).sum().toFloat();return i.sum().div(u)}throw Error("Unknown reduction: "+n)}}),al=rn({cosineDistance_:function(t,e,n,r,o){void 0===o&&(o=Qc.SUM_BY_NONZERO_WEIGHTS);var i=He(t,"labels","cosineDistance"),a=He(e,"predictions","cosineDistance"),s=null;null!=r&&(s=He(r,"weights","cosineDistance")),I(i.shape,a.shape,"Error in cosineDistance: ");var u=ln(1).sub(i.mul(a).sum(n,!0));return il(u,s,o)}}),sl=rn({hingeLoss_:function(t,e,n,r){void 0===r&&(r=Qc.SUM_BY_NONZERO_WEIGHTS);var o=He(t,"labels","hingeLoss"),i=He(e,"predictions","hingeLoss"),a=null;null!=n&&(a=He(n,"weights","hingeLoss")),I(o.shape,i.shape,"Error in hingeLoss: ");var s=ln(1);o=ln(2).mul(o).sub(s);var u=s.sub(o.mul(i)).relu();return il(u,a,r)}}),ul=rn({huberLoss_:function(t,e,n,r,o){void 0===r&&(r=1),void 0===o&&(o=Qc.SUM_BY_NONZERO_WEIGHTS);var i=He(t,"labels","huberLoss"),a=He(e,"predictions","huberLoss"),s=null;null!=n&&(s=He(n,"weights","huberLoss")),I(i.shape,a.shape,"Error in huberLoss: ");var u=ln(r),c=a.sub(i).abs(),l=uu(c,u),h=c.sub(l),f=ln(.5).mul(l.square()).add(u.mul(h));return il(f,s,o)}}),cl=rn({logLoss_:function(t,e,n,r,o){void 0===r&&(r=1e-7),void 0===o&&(o=Qc.SUM_BY_NONZERO_WEIGHTS);var i=He(t,"labels","logLoss"),a=He(e,"predictions","logLoss"),s=null;null!=n&&(s=He(n,"weights","logLoss")),I(i.shape,a.shape,"Error in logLoss: ");var u=ln(1),c=ln(r),l=i.mul(a.add(c).log()).neg().sub(u.sub(i).mul(u.sub(a).add(c).log()));return il(l,s,o)}}),ll=rn({meanSquaredError_:function(t,e,n,r){void 0===r&&(r=Qc.SUM_BY_NONZERO_WEIGHTS);var o=He(t,"labels","meanSquaredError"),i=He(e,"predictions","meanSquaredError"),a=null;null!=n&&(a=He(n,"weights","meanSquaredError")),I(o.shape,i.shape,"Error in meanSquaredError: ");var s=o.squaredDifference(i);return il(s,a,r)}}),hl=rn({sigmoidCrossEntropy_:function(t,e,n,r,o){void 0===r&&(r=0),void 0===o&&(o=Qc.SUM_BY_NONZERO_WEIGHTS);var i=He(t,"multiClassLabels","sigmoidCrossEntropy"),a=He(e,"logits","sigmoidCrossEntropy"),s=null;if(null!=n&&(s=He(n,"weights","sigmoidCrossEntropy")),I(i.shape,a.shape,"Error in sigmoidCrossEntropy: "),r>0){var u=ln(r),c=ln(1),l=ln(.5);i=i.mul(c.sub(u)).add(l.mul(u))}var h=function(t,e){var n=He(t,"labels","sigmoidCrossEntropyWithLogits"),r=He(e,"logits","sigmoidCrossEntropyWithLogits");I(n.shape,r.shape,"Error in sigmoidCrossEntropyWithLogits: ");var o=r.relu(),i=r.mul(n),a=r.abs().neg().exp().log1p();return o.sub(i).add(a)}(i,a);return il(h,s,o)}}),fl=rn({softmaxCrossEntropy_:function(t,e,n,r,o){void 0===r&&(r=0),void 0===o&&(o=Qc.SUM_BY_NONZERO_WEIGHTS);var i=He(t,"onehotLabels","softmaxCrossEntropy"),a=He(e,"logits","softmaxCrossEntropy"),s=null;if(null!=n&&(s=He(n,"weights","softmaxCrossEntropy")),I(i.shape,a.shape,"Error in softmaxCrossEntropy: "),r>0){var u=ln(r),c=ln(1),l=ln(i.shape[1]);i=i.mul(c.sub(u)).add(u.div(l))}var h=function(t,e,n){if(void 0===n&&(n=-1),-1===n&&(n=e.rank-1),n!==e.rank-1)throw Error("Softmax cross entropy along a non-last dimension is not yet supported. Labels / logits was rank "+e.rank+" and dim was "+n);return Ar((function(t,e,r){var o=e.logSumExp([n],!0),i=e.toFloat().sub(o);return r([t,i]),{value:i.mul(t).neg().sum([n]),gradFunc:function(t,e){var r=e[0],o=e[1],i=$e(t.shape,[n]);return[t.reshape(i).mul(r.toFloat().sub(o.exp())),t.reshape(i).mul(o.exp().sub(r.toFloat()))]}}}))(t,e)}(i,a);return il(h,s,o)}}),pl=Object.freeze({get Reduction(){return Qc},absoluteDifference:ol,computeWeightedLoss:il,cosineDistance:al,hingeLoss:sl,huberLoss:ul,logLoss:cl,meanSquaredError:ll,sigmoidCrossEntropy:hl,softmaxCrossEntropy:fl});function dl(t,e){return void 0===e&&(e=!1),Ft.tidy((function(){if(2!==t.shape.length)throw new Error("qr2d() requires a 2D Tensor, but got a "+t.shape.length+"D Tensor.");for(var n=t.shape[0],r=t.shape[1],o=Kn(n),i=t.clone(),a=fn([[1]],[1,1]),s=a.clone(),u=n>=r?r:n,c=function(t){var e,u=i,c=s,l=o;e=Ft.tidy((function(){var e=i.slice([t,t],[n-t,1]),u=e.norm(),c=i.slice([t,t],[1,1]),l=fn([[-1]]).where(c.greater(0),fn([[1]])),h=c.sub(l.mul(u)),f=e.div(h);s=1===f.shape[0]?a.clone():a.concat(f.slice([1,0],[f.shape[0]-1,f.shape[1]]),0);var p=l.matMul(h).div(u).neg(),d=i.slice([t,0],[n-t,r]),v=p.mul(s);if(0===t)i=d.sub(v.matMul(s.transpose().matMul(d)));else{var m=d.sub(v.matMul(s.transpose().matMul(d)));i=i.slice([0,0],[t,r]).concat(m,0)}var g=o.slice([0,t],[n,o.shape[1]-t]);if(0===t)o=g.sub(g.matMul(s).matMul(v.transpose()));else{var y=g.sub(g.matMul(s).matMul(v.transpose()));o=o.slice([0,0],[n,t]).concat(y,1)}return[s,i,o]})),s=e[0],i=e[1],o=e[2],Ue([u,c,l])},l=0;l<u;++l)c(l);return!e&&n>r&&(o=o.slice([0,0],[n,r]),i=i.slice([0,0],[r,r])),[o,i]}))}var vl=rn({bandPart_:function(t,e,n){if(e%1!=0)throw new Error("bandPart(): numLower must be an integer, got "+e+".");if(n%1!=0)throw new Error("bandPart(): numUpper must be an integer, got "+n+".");var r=He(t,"a","bandPart");if(r.rank<2)throw new Error("bandPart(): Rank must be at least 2, got "+r.rank+".");var o=r.shape,i=r.shape.slice(-2),a=i[0],s=i[1];if(!(e<=a))throw new Error("bandPart(): numLower ("+e+") must not be greater than the number of rows ("+a+").");if(!(n<=s))throw new Error("bandPart(): numUpper ("+n+") must not be greater than the number of columns ("+s+").");e<0&&(e=a),n<0&&(n=s);var u=yn(0,a,1,"int32").reshape([-1,1]),c=yn(0,s,1,"int32"),l=gu(u,c),h=qs(l.lessEqual(ln(+e,"int32")),l.greaterEqual(ln(-n,"int32"))),f=mn([a,s],r.dtype);return ur(hr(r.reshape([-1,a,s])).map((function(t){return $s(h,t,f)}))).reshape(o)}}),ml=rn({gramSchmidt_:function(t){var e;if(Array.isArray(t)){e=!1,_(null!=t&&t.length>0,(function(){return"Gram-Schmidt process: input must not be null, undefined, or empty"}));for(var n=t[0].shape[0],r=function(e){_(t[e].shape[0]===n,(function(){return"Gram-Schmidt: Non-unique lengths found in the input vectors: ("+t[e].shape[0]+" vs. "+n+")"}))},o=1;o<t.length;++o)r(o)}else e=!0,t=Rn(t,t.shape[0],0).map((function(t){return sr(t,[0])}));_(t.length<=t[0].shape[0],(function(){return"Gram-Schmidt: Number of vectors ("+t.length+") exceeds number of dimensions ("+t[0].shape[0]+")."}));var i=[],a=t,s=function(t){i.push(Ft.tidy((function(){var e=a[t];if(t>0)for(var n=0;n<t;++n){var r=Ic(i[n].mulStrict(e)).mul(i[n]);e=e.sub(r)}return e.div(Pc(e,"euclidean"))})))};for(o=0;o<t.length;++o)s(o);return e?ur(i,0):i}}),gl=rn({qr_:function(t,e){if(void 0===e&&(e=!1),t.rank<2)throw new Error("qr() requires input tensor to have a rank >= 2, but got rank "+t.rank);if(2===t.rank)return dl(t,e);var n=t.shape.slice(0,t.shape.length-2).reduce((function(t,e){return t*e})),r=hr(t.reshape([n,t.shape[t.shape.length-2],t.shape[t.shape.length-1]]),0),o=[],i=[];return r.forEach((function(t){var n=dl(t,e),r=n[0],a=n[1];o.push(r),i.push(a)})),[ur(o,0).reshape(t.shape),ur(i,0).reshape(t.shape)]}}),yl=Object.freeze({bandPart:vl,gramSchmidt:ml,qr:gl});function bl(t,e,n,r,o,i){null==r&&(r=.5),null==o&&(o=Number.NEGATIVE_INFINITY),null==i&&(i=0);var a=t.shape[0];return n=Math.min(n,a),_(0<=r&&r<=1,(function(){return"iouThreshold must be in [0, 1], but was '"+r+"'"})),_(2===t.rank,(function(){return"boxes must be a 2D tensor, but was of rank '"+t.rank+"'"})),_(4===t.shape[1],(function(){return"boxes must have 4 columns, but 2nd dimension was "+t.shape[1]})),_(1===e.rank,(function(){return"scores must be a 1D tensor"})),_(e.shape[0]===a,(function(){return"scores has incompatible shape with boxes. Expected "+a+", but was "+e.shape[0]})),_(0<=i&&i<=1,(function(){return"softNmsSigma must be in [0, 1], but was '"+i+"'"})),{maxOutputSize:n,iouThreshold:r,scoreThreshold:o,softNmsSigma:i}}var xl=rn({resizeBilinear_:function(t,e,n){void 0===n&&(n=!1);var r=He(t,"images","resizeBilinear");_(3===r.rank||4===r.rank,(function(){return"Error in resizeBilinear: x must be rank 3 or 4, but got rank "+r.rank+"."})),_(2===e.length,(function(){return"Error in resizeBilinear: new shape must 2D, but got shape "+e+"."}));var o=r,i=!1;3===r.rank&&(i=!0,o=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var a=e[0],s=e[1],u=Ft.runKernelFunc((function(t,e){return e([o]),t.resizeBilinear(o,a,s,n)}),{x:o},(function(t,e){return{x:function(){return Ft.runKernelFunc((function(r){return r.resizeBilinearBackprop(t,e[0],n)}),{})}}}),"ResizeBilinear",{alignCorners:n,newHeight:a,newWidth:s});return i?u.as3D(u.shape[1],u.shape[2],u.shape[3]):u}}),wl=rn({resizeNearestNeighbor_:function(t,e,n){void 0===n&&(n=!1);var r=He(t,"images","resizeNearestNeighbor");_(3===r.rank||4===r.rank,(function(){return"Error in resizeNearestNeighbor: x must be rank 3 or 4, but got rank "+r.rank+"."})),_(2===e.length,(function(){return"Error in resizeNearestNeighbor: new shape must 2D, but got shape "+e+"."})),_("float32"===r.dtype||"int32"===r.dtype,(function(){return"`images` must have `int32` or `float32` as dtype"}));var o=r,i=!1;3===r.rank&&(i=!0,o=r.as4D(1,r.shape[0],r.shape[1],r.shape[2]));var a=e[0],s=e[1],u=Ft.runKernelFunc((function(t,e){return e([o]),t.resizeNearestNeighbor(o,a,s,n)}),{batchImages:o},(function(t,e){return{batchImages:function(){return Ft.runKernelFunc((function(r){return r.resizeNearestNeighborBackprop(t,e[0],n)}),{})}}}));return i?u.as3D(u.shape[1],u.shape[2],u.shape[3]):u}}),El=rn({nonMaxSuppression_:function(t,e,n,r,o){void 0===r&&(r=.5),void 0===o&&(o=Number.NEGATIVE_INFINITY);var i=He(t,"boxes","nonMaxSuppression"),a=He(e,"scores","nonMaxSuppression"),s=bl(i,a,n,r,o);n=s.maxOutputSize,r=s.iouThreshold,o=s.scoreThreshold;var u={maxOutputSize:n,iouThreshold:r,scoreThreshold:o};return Ft.runKernelFunc((function(t){return t.nonMaxSuppression(i,a,n,r,o)}),{boxes:i,scores:a},null,"NonMaxSuppressionV3",u)}}),Cl=rn({nonMaxSuppressionWithScore_:function(t,e,n,r,o,i){void 0===r&&(r=.5),void 0===o&&(o=Number.NEGATIVE_INFINITY),void 0===i&&(i=0);var a=He(t,"boxes","nonMaxSuppression"),s=He(e,"scores","nonMaxSuppression"),u=bl(a,s,n,r,o,i),c={maxOutputSize:n=u.maxOutputSize,iouThreshold:r=u.iouThreshold,scoreThreshold:o=u.scoreThreshold,softNmsSigma:i=u.softNmsSigma},l=Ft.runKernel("NonMaxSuppressionV5",{boxes:a,scores:s},c);return{selectedIndices:l[0],selectedScores:l[1]}}}),_l=rn({cropAndResize_:function(t,e,n,r,o,i){var a=He(t,"image","cropAndResize"),s=He(e,"boxes","cropAndResize","float32"),u=He(n,"boxInd","cropAndResize","int32");o=o||"bilinear",i=i||0;var c=s.shape[0];return _(4===a.rank,(function(){return"Error in cropAndResize: image must be rank 4,but got rank "+a.rank+"."})),_(2===s.rank&&4===s.shape[1],(function(){return"Error in cropAndResize: boxes must be have size ["+c+",4] but had shape "+s.shape+"."})),_(1===u.rank&&u.shape[0]===c,(function(){return"Error in cropAndResize: boxInd must be have size ["+c+"] but had shape "+s.shape+"."})),_(2===r.length,(function(){return"Error in cropAndResize: cropSize must be of length 2, but got length "+r.length+"."})),_(r[0]>=1&&r[1]>=1,(function(){return"cropSize must be atleast [1,1], but was "+r})),_("bilinear"===o||"nearest"===o,(function(){return"method must be bilinear or nearest, but was "+o})),Ft.runKernelFunc((function(t,e){return t.cropAndResize(a,s,u,r,o,i)}),{images:a,boxes:s,boxInd:u},null,"CropAndResize",{method:o,extrapolationValue:i,cropSize:r})}}),Il=Object.freeze({resizeBilinear:xl,resizeNearestNeighbor:wl,nonMaxSuppression:El,nonMaxSuppressionAsync:function(t,e,n,r,o){return void 0===r&&(r=.5),void 0===o&&(o=Number.NEGATIVE_INFINITY),s(this,void 0,void 0,(function(){var i,a,s,c,l,h,f;return u(this,(function(u){switch(u.label){case 0:return i=He(t,"boxes","nonMaxSuppressionAsync"),a=He(e,"scores","nonMaxSuppressionAsync"),s=bl(i,a,n,r,o),n=s.maxOutputSize,r=s.iouThreshold,o=s.scoreThreshold,[4,Promise.all([i.data(),a.data()])];case 1:return c=u.sent(),l=c[0],h=c[1],f=io(l,h,n,r,o),i!==t&&i.dispose(),a!==e&&a.dispose(),[2,f]}}))}))},nonMaxSuppressionWithScore:Cl,nonMaxSuppressionWithScoreAsync:function(t,e,n,r,o,i){return void 0===r&&(r=.5),void 0===o&&(o=Number.NEGATIVE_INFINITY),void 0===i&&(i=0),s(this,void 0,void 0,(function(){var a,s,c,l,h,f,p;return u(this,(function(u){switch(u.label){case 0:return a=He(t,"boxes","nonMaxSuppressionAsync"),s=He(e,"scores","nonMaxSuppressionAsync"),c=bl(a,s,n,r,o,i),n=c.maxOutputSize,r=c.iouThreshold,o=c.scoreThreshold,i=c.softNmsSigma,[4,Promise.all([a.data(),s.data()])];case 1:return l=u.sent(),h=l[0],f=l[1],p=ao(h,f,n,r,o,i),a!==t&&a.dispose(),s!==e&&s.dispose(),[2,p]}}))}))},cropAndResize:_l}),Rl=function(t,e){return!(t>0)||"linear"===e},Sl=function(t,e,n){if(null==n||"linear"===n)return t;if("relu"===n)return t.mul(e.step());throw new Error("Gradient for activation "+n+" has not been implemented yet.")},kl=function(t,e){var n=e,r=Mr(t.shape,e.shape);return r.length>0&&(n=n.sum(r)),n.reshape(t.shape)},Al=function(t,e,n){if("linear"===e)return t;if("relu"===e)return Dc(t);if("elu"===e)return Sc(t);if("relu6"===e)return Tc(t);if("prelu"===e)return Ac(t,n);throw new Error("Unknown fused activation "+e+".")},Dl=rn({fusedMatMul_:function(t){var e,n=t.a,r=t.b,o=t.transposeA,i=void 0!==o&&o,a=t.transposeB,s=void 0!==a&&a,u=t.bias,c=t.activation,l=void 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o=n?t.shape[1]:t.shape[2],i=n?t.shape[2]:t.shape[1],a=r?e.shape[1]:e.shape[2],s=t.shape[0],u=this.readSync(t.dataId),c=this.readSync(e.dataId),l=n?[t.strides[0],1,t.strides[1]]:[t.strides[0],t.strides[1],1],h=l[0],f=l[1],p=l[2],d=r?[1,e.strides[1],e.strides[0]]:[e.strides[1],1,e.strides[0]],v=d[0],m=d[1],g=d[2],y=i*a,b=Wn([s,i,a],t.dtype),x=b.values,w=this.blockSize,E=0;E<s;E++)for(var C=0;C<i;C+=w)for(var _=0;_<a;_+=w)for(var I=0;I<o;I+=w)for(var R=Math.min(C+w,i),S=Math.min(_+w,a),k=Math.min(I+w,o),A=C;A<R;A++)for(var D=_;D<S;D++){for(var T=0,O=I;O<k;O++)T+=u[E*h+A*f+O*p]*c[O*v+D*m+E*g];x[E*y+(A*a+D)]+=T}return b.toTensor()},e.prototype.fusedBatchMatMul=function(t){var e=t.a,n=t.b,r=t.transposeA,o=t.transposeB,i=t.bias,a=t.activation,s=t.preluActivationWeights,u=this.batchMatMul(e,n,r,o);return 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n=Ye(t.shape,e),r=n[0],o=n[1],i=mn(r,Rt(t.dtype,"int32")),a=k(o),s=this.readSync(i.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,h=1,f=0;f<a;++f)h*=u[l+f];s[c]=h}return i},e.prototype.unsortedSegmentSum=function(t,e,n){Pl(t,"unsortedSegmentSum");for(var r=[],o=t.rank-e.rank,i=0;i<o;++i)e=e.expandDims(i+1);for(i=0;i<n;++i){var a=ln(i,"int32"),s=bu(a,e).asType("float32").mul(t).sum(0);r.push(s)}return ur(r)},e.prototype.argMin=function(t,e){Pl(t,"argMin");var n=[e];Je("argMin",n,t.rank);for(var r=Ye(t.shape,n),o=r[0],i=r[1],a=mn(o,"int32"),s=k(i),u=this.readSync(a.dataId),c=this.readSync(t.dataId),l=0;l<u.length;++l){for(var h=l*s,f=c[h],p=0,d=0;d<s;++d){var v=c[h+d];v<f&&(f=v,p=d)}u[l]=p}return a},e.prototype.argMax=function(t,e){Pl(t,"argMax");var n=[e];Je("argMax",n,t.rank);for(var r=Ye(t.shape,n),o=r[0],i=r[1],a=mn(o,"int32"),s=k(i),u=this.readSync(a.dataId),c=this.readSync(t.dataId),l=0;l<u.length;++l){for(var h=l*s,f=c[h],p=0,d=0;d<s;++d){var 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r=this.readSync(t.dataId),o=this.readSync(e.dataId),i=this.readSync(n.dataId),a=mn(e.shape,Rt(e.dtype,n.dtype)),s=this.readSync(a.dataId),u=0,c=0===t.rank||t.rank>1||1===e.rank?1:k(e.shape.slice(1)),l=0;l<r.length;l++)for(var h=0;h<c;h++)1===r[l]?s[u++]=o[l]:s[u++]=i[l];return a},e.prototype.where=function(t){Pl([t],"where");var e=this.readSync(t.dataId);return vo(t.shape,e)},e.prototype.topk=function(t,e,n){return Pl(t,"topk"),po(this.readSync(t.dataId),t.shape,t.dtype,e)},e.prototype.min=function(t,e){Pl(t,"min"),Je("min",e,t.rank);for(var n=Ye(t.shape,e),r=n[0],o=n[1],i=mn(r,t.dtype),a=k(o),s=this.readSync(i.dataId),u=this.readSync(t.dataId),c=0;c<s.length;++c){for(var l=c*a,h=u[l],f=0;f<a;++f){var p=u[l+f];p<h&&(h=p)}s[c]=h}return i},e.prototype.minimum=function(t,e){return Pl([t,e],"minimum"),this.broadcastedBinaryOp(t,e,t.dtype,(function(t,e){return Math.min(t,e)}))},e.prototype.mod=function(t,e){return Pl([t,e],"mod"),this.broadcastedBinaryOp(t,e,t.dtype,(function(t,e){var 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i},e.prototype.squaredDifference=function(t,e){return Pl([t,e],"squaredDifference"),this.broadcastedBinaryOp(t,e,t.dtype,(function(t,e){var n=t-e;return n*n}))},e.prototype.ceil=function(t){Pl(t,"ceil");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r)n[r]=Math.ceil(e[r]);return this.makeOutput(n,t.shape,"float32")},e.prototype.floor=function(t){Pl(t,"floor");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r)n[r]=Math.floor(e[r]);return this.makeOutput(n,t.shape,"float32")},e.prototype.sign=function(t){Pl(t,"x");for(var e=this.readSync(t.dataId),n=new Float32Array(e.length),r=0;r<e.length;++r)e[r]<0?n[r]=-1:e[r]>0?n[r]=1:n[r]=0;return this.makeOutput(n,t.shape,"float32")},e.prototype.isNaN=function(t){Pl(t,"x");for(var e=this.readSync(t.dataId),n=new Uint8Array(e.length),r=0;r<e.length;++r)Number.isNaN(e[r])&&(n[r]=1);return this.makeOutput(n,t.shape,"bool")},e.prototype.isInf=function(t){Pl(t,"x");for(var 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this.makeOutput(n,e.shape,"float32")},e.prototype.selu=function(t){Pl(t,"selu");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var o=n[r];e[r]=o>=0?1.0507009873554805*o:1.7580993408473768*(Math.exp(o)-1)}return this.makeOutput(e,t.shape,"float32")},e.prototype.clip=function(t,e,n){Pl(t,"clip");for(var r=new Float32Array(t.size),o=this.readSync(t.dataId),i=0;i<o.length;++i){var a=o[i];r[i]=a>n?n:a<e?e:a}return this.makeOutput(r,t.shape,"float32")},e.prototype.abs=function(t){for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.abs(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.complexAbs=function(t){for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<t.size;++r){var o=n[2*r],i=n[2*r+1];e[r]=Math.hypot(o,i)}return this.makeOutput(e,t.shape,"float32")},e.prototype.int=function(t){Pl(t,"int");for(var e=new Int32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=n[r];return this.makeOutput(e,t.shape,"int32")},e.prototype.sigmoid=function(t){Pl(t,"sigmoid");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=1/(1+Math.exp(-n[r]));return this.makeOutput(e,t.shape,"float32")},e.prototype.softplus=function(t){Pl(t,"softplus");for(var e=Math.log(1.1920928955078125e-7)+2,n=new Float32Array(t.size),r=this.readSync(t.dataId),o=0;o<r.length;++o){var i,a=r[o]>-e,s=r[o]<e,u=Math.exp(r[o]);i=s?u:a?r[o]:Math.log(1+u),n[o]=i}return this.makeOutput(n,t.shape,"float32")},e.prototype.sin=function(t){Pl(t,"sin");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.sin(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.cos=function(t){Pl(t,"cos");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.cos(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.tan=function(t){Pl(t,"tan");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.tan(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.asin=function(t){Pl(t,"asin");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.asin(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.acos=function(t){Pl(t,"acos");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.acos(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.atan=function(t){Pl(t,"atan");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.atan(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.atan2=function(t,e){return Pl([t,e],"atan2"),this.broadcastedBinaryOp(t,e,t.dtype,(function(t,e){return Math.atan2(t,e)}))},e.prototype.sinh=function(t){Pl(t,"sinh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.sinh(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.cosh=function(t){Pl(t,"cosh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.cosh(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.tanh=function(t){Pl(t,"tanh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=T(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.asinh=function(t){Pl(t,"asinh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.asinh(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.acosh=function(t){Pl(t,"acosh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.acosh(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.atanh=function(t){Pl(t,"atanh");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r)e[r]=Math.atanh(n[r]);return this.makeOutput(e,t.shape,"float32")},e.prototype.erf=function(t){Pl(t,"erf");for(var e=new Float32Array(t.size),n=this.readSync(t.dataId),r=0;r<n.length;++r){var o=Math.sign(n[r]),i=Math.abs(n[r]),a=1/(1+.3275911*i);e[r]=o*(1-((((1.061405429*a-1.453152027)*a+1.421413741)*a-.284496736)*a+.254829592)*a*Math.exp(-i*i))}return this.makeOutput(e,t.shape,"float32")},e.prototype.step=function(t,e){void 0===e&&(e=0),Pl(t,"step");for(var n=new Float32Array(t.size),r=this.readSync(t.dataId),o=0;o<r.length;++o){var i=r[o];isNaN(i)?n[o]=NaN:n[o]=i>0?1:e}return this.makeOutput(n,t.shape,"float32")},e.prototype.fusedConv2d=function(t){var e=t.input,n=t.filter,r=t.convInfo,o=t.bias,i=t.activation,a=t.preluActivationWeights,s=this.conv2d(e,n,r);return o&&(s=this.add(s,o)),i&&(s=Ml(this,s,i,a)),s},e.prototype.conv2d=function(t,e,n){Pl([t,e],"conv2d");for(var r=n.filterHeight,o=n.filterWidth,i=n.dilationHeight,a=n.dilationWidth,s=n.padInfo.left,u=n.padInfo.top,c="channelsLast"===n.dataFormat,l=Wn(n.outShape,t.dtype),h=t.strides[0],f=c?t.strides[1]:t.strides[2],p=c?t.strides[2]:1,d=c?1:t.strides[1],v=l.strides[0],m=c?l.strides[1]:l.strides[2],g=c?l.strides[2]:1,y=c?1:l.strides[1],b=this.readSync(t.dataId),x=this.readSync(e.dataId),w=l.values,E=0;E<n.batchSize;++E)for(var C=E*h,_=E*v,I=0;I<n.outHeight;++I)for(var R=_+I*m,S=I*n.strideHeight-u,k=0;k<r;k++){var A=S+k*i;if(!(A<0||A>=n.inHeight))for(var D=k*e.strides[0],T=C+A*f,O=0;O<n.outWidth;++O)for(var N=R+O*g,F=O*n.strideWidth-s,P=0;P<o;P++){var M=F+P*a;if(!(M<0||M>=n.inWidth))for(var B=T+M*p,L=D+P*e.strides[1],W=0;W<n.inChannels;++W){for(var j=b[B+W*d],U=0;U<n.outChannels;++U)w[N+U*y]+=j*x[L+U];L+=n.outChannels}}}return l.toTensor()},e.prototype.conv3d=function(t,e,n){for(var r=n.filterDepth,o=n.filterHeight,i=n.filterWidth,a=n.dilationDepth,s=n.dilationHeight,u=n.dilationWidth,c=n.padInfo.front,l=n.padInfo.left,h=n.padInfo.top,f=Wn(n.outShape,t.dtype),p=this.readSync(t.dataId),d=this.readSync(e.dataId),v=f.values,m=0;m<n.batchSize;++m)for(var g=m*t.strides[0],y=m*f.strides[0],b=0;b<n.outDepth;++b)for(var x=y+b*f.strides[1],w=b*n.strideDepth-c,E=0;E<r;E++){var C=w+E*a;if(!(C<0||C>=n.inDepth))for(var _=E*e.strides[0],I=g+C*t.strides[1],R=0;R<n.outHeight;++R)for(var S=x+R*f.strides[2],k=R*n.strideHeight-h,A=0;A<o;A++){var D=k+A*s;if(!(D<0||D>=n.inHeight))for(var T=_+A*e.strides[1],O=I+D*t.strides[2],N=0;N<n.outWidth;++N)for(var F=S+N*n.outChannels,P=N*n.strideWidth-l,M=0;M<i;M++){var B=P+M*u;if(!(B<0||B>=n.inWidth))for(var L=T+M*e.strides[2],W=O+B*n.inChannels,j=L,U=0;U<n.inChannels;++U){for(var z=p[W+U],V=0;V<n.outChannels;++V)v[F+V]+=z*d[j+V];j+=n.outChannels}}}}return f.toTensor()},e.prototype.conv2dDerInput=function(t,e,n){Pl([t,e],"conv2dDerInput");for(var r=Wn(n.inShape,"float32"),o=r.values,i=this.readSync(t.dataId),a=this.readSync(e.dataId),s=e.strides,u=s[0],c=s[1],l=s[2],h=n.batchSize,f=n.filterHeight,p=n.filterWidth,d=n.inChannels,v=n.inHeight,m=n.inWidth,g=n.outChannels,y=n.outHeight,b=n.outWidth,x=n.strideHeight,w=n.strideWidth,E=n.dataFormat,C=f-1-n.padInfo.top,_=p-1-n.padInfo.left,I="channelsLast"===E,R=r.strides[0],S=I?r.strides[1]:r.strides[2],k=I?r.strides[2]:1,A=I?1:r.strides[1],D=t.strides[0],T=I?t.strides[1]:t.strides[2],O=I?t.strides[2]:1,N=I?1:t.strides[1],F=0;F<h;++F)for(var P=0;P<d;++P)for(var M=0;M<v;++M)for(var B=M-C,L=Math.max(0,Math.ceil(B/x)),W=Math.min(y,(f+B)/x),j=0;j<m;++j){for(var U=j-_,z=Math.max(0,Math.ceil(U/w)),V=Math.min(b,(p+U)/w),G=0,H=L;H<W;++H)for(var q=H*x-B,K=z;K<V;++K)for(var X=D*F+T*H+O*K,Y=u*(f-1-q)+c*(p-1-(K*w-U))+l*P,$=0;$<g;++$)G+=i[X+N*$]*a[Y+$];o[R*F+S*M+k*j+A*P]=G}return r.toTensor()},e.prototype.conv3dDerInput=function(t,e,n){for(var r=Wn(n.inShape,"float32"),o=r.values,i=r.strides,a=i[0],s=i[1],u=i[2],c=i[3],l=this.readSync(t.dataId),h=t.strides,f=h[0],p=h[1],d=h[2],v=h[3],m=this.readSync(e.dataId),g=e.strides,y=g[0],b=g[1],x=g[2],w=g[3],E=n.batchSize,C=n.filterDepth,_=n.filterHeight,I=n.filterWidth,R=n.inChannels,S=n.inDepth,k=n.inHeight,A=n.inWidth,D=n.outChannels,T=n.outDepth,O=n.outHeight,N=n.outWidth,F=n.strideDepth,P=n.strideHeight,M=n.strideWidth,B=C-1-n.padInfo.front,L=_-1-n.padInfo.top,W=I-1-n.padInfo.left,j=0;j<E;++j)for(var U=0;U<R;++U)for(var z=0;z<S;++z)for(var V=z-B,G=Math.max(0,Math.ceil(V/F)),H=Math.min(T,(C+V)/F),q=0;q<k;++q)for(var K=q-L,X=Math.max(0,Math.ceil(K/P)),Y=Math.min(O,(_+K)/P),$=0;$<A;++$){for(var J=$-W,Q=Math.max(0,Math.ceil(J/M)),Z=Math.min(N,(I+J)/M),tt=0,et=G;et<H;++et)for(var nt=et*F-V,rt=X;rt<Y;++rt)for(var ot=rt*P-K,it=Q;it<Z;++it)for(var at=f*j+p*et+d*rt+v*it,st=y*(C-1-nt)+b*(_-1-ot)+x*(I-1-(it*M-J))+w*U,ut=0;ut<D;++ut)tt+=l[at+ut]*m[st+ut];o[a*j+s*z+u*q+c*$+U]=tt}return r.toTensor()},e.prototype.conv2dDerFilter=function(t,e,n){Pl([t,e],"conv2dDerFilter");for(var r=n.strideHeight,o=n.strideWidth,i=n.filterHeight,a=n.filterWidth,s="channelsLast"===n.dataFormat,u=Wn(n.filterShape,"float32"),c=n.padInfo.left,l=n.padInfo.top,h=this.bufferSync(t),f=this.bufferSync(e),p=0;p<i;++p)for(var d=Math.max(0,Math.ceil((l-p)/r)),v=Math.min(n.outHeight,(n.inHeight+l-p)/r),m=0;m<a;++m)for(var g=Math.max(0,Math.ceil((c-m)/o)),y=Math.min(n.outWidth,(n.inWidth+c-m)/o),b=0;b<n.inChannels;++b)for(var x=0;x<n.outChannels;++x){for(var w=0,E=0;E<n.batchSize;++E)for(var C=d;C<v;++C)for(var _=p+C*r-l,I=g;I<y;++I){var R=m+I*o-c;w+=s?h.get(E,_,R,b)*f.get(E,C,I,x):h.get(E,b,_,R)*f.get(E,x,C,I)}u.set(w,p,m,b,x)}return u.toTensor()},e.prototype.conv3dDerFilter=function(t,e,n){for(var r=n.strideDepth,o=n.strideHeight,i=n.strideWidth,a=n.filterDepth,s=n.filterHeight,u=n.filterWidth,c=Wn(n.filterShape,"float32"),l=c.values,h=c.strides,f=h[0],p=h[1],d=h[2],v=h[3],m=this.readSync(e.dataId),g=e.strides,y=g[0],b=g[1],x=g[2],w=g[3],E=this.readSync(t.dataId),C=t.strides,_=C[0],I=C[1],R=C[2],S=C[3],k=n.padInfo.front,A=n.padInfo.left,D=n.padInfo.top,T=0;T<a;++T)for(var O=Math.max(0,Math.ceil((k-T)/r)),N=Math.min(n.outDepth,(n.inDepth+k-T)/r),F=T*f,P=0;P<s;++P)for(var M=Math.max(0,Math.ceil((D-P)/o)),B=Math.min(n.outHeight,(n.inHeight+D-P)/o),L=P*p+F,W=0;W<u;++W)for(var j=Math.max(0,Math.ceil((A-W)/i)),U=Math.min(n.outWidth,(n.inWidth+A-W)/i),z=W*d+L,V=0;V<n.inChannels;++V)for(var G=V*v+z,H=0;H<n.outChannels;++H){for(var q=0,K=0;K<n.batchSize;++K)for(var X=K*_,Y=K*y,$=O;$<N;++$)for(var J=(T+$*r-k)*I+X,Q=$*b+Y,Z=M;Z<B;++Z)for(var tt=(P+Z*o-D)*R+J,et=Z*x+Q,nt=j;nt<U;++nt){var rt=nt*w+et;q+=E[(W+nt*i-A)*S+tt+V]*m[rt+H]}l[G+H]=q}return c.toTensor()},e.prototype.fusedDepthwiseConv2D=function(t){var e=t.input,n=t.filter,r=t.convInfo,o=t.bias,i=t.activation,a=t.preluActivationWeights,s=this.depthwiseConv2D(e,n,r);return o&&(s=this.add(s,o)),i&&(s=Ml(this,s,i,a)),s},e.prototype.depthwiseConv2D=function(t,e,n){Pl([t,e],"depthwiseConv2D");for(var r=n.filterHeight,o=n.filterWidth,i=n.dilationHeight,a=n.dilationWidth,s=n.padInfo.left,u=n.padInfo.top,c=n.outChannels/n.inChannels,l=Wn(n.outShape,t.dtype),h=this.readSync(t.dataId),f=this.readSync(e.dataId),p=l.values,d=0;d<n.batchSize;++d)for(var v=d*t.strides[0],m=d*l.strides[0],g=0;g<n.outHeight;++g)for(var y=m+g*l.strides[1],b=g*n.strideHeight-s,x=0;x<r;++x){var w=b+x*i;if(!(w<0||w>=n.inHeight))for(var E=x*e.strides[0],C=v+w*t.strides[1],_=0;_<n.outWidth;++_)for(var I=y+_*l.strides[2],R=_*n.strideWidth-u,S=0;S<o;++S){var k=R+S*a;if(!(k<0||k>=n.inWidth))for(var A=E+S*e.strides[1],D=C+k*n.inChannels,T=I,O=A,N=0;N<n.inChannels;++N){for(var F=h[D+N],P=0;P<c;++P)p[T+P]+=F*f[O+P];T+=c,O+=c}}}return l.toTensor()},e.prototype.depthwiseConv2DDerInput=function(t,e,n){Pl([t,e],"depthwiseConv2DDerInput");for(var r=Wn(n.inShape,"float32"),o=r.values,i=r.strides,a=i[0],s=i[1],u=i[2],c=this.readSync(t.dataId),l=t.strides,h=l[0],f=l[1],p=l[2],d=this.readSync(e.dataId),v=e.strides,m=v[0],g=v[1],y=v[2],b=n.batchSize,x=n.filterHeight,w=n.filterWidth,E=n.inChannels,C=n.inHeight,_=n.inWidth,I=n.outChannels,R=n.outHeight,S=n.outWidth,k=n.strideHeight,A=n.strideWidth,D=x-1-n.padInfo.top,T=w-1-n.padInfo.left,O=I/E,N=0;N<b;++N)for(var F=0;F<E;++F)for(var P=0;P<C;++P)for(var M=P-D,B=Math.max(0,Math.ceil(M/k)),L=Math.min(R,(x+M)/k),W=0;W<_;++W){for(var j=W-T,U=Math.max(0,Math.ceil(j/A)),z=Math.min(S,(w+j)/A),V=0,G=B;G<L;++G)for(var H=G*k-M,q=U;q<z;++q)for(var K=h*N+f*G+p*q,X=m*(x-1-H)+g*(w-1-(q*A-j))+y*F,Y=0;Y<O;++Y)V+=c[K+(F*O+Y)]*d[X+Y];o[a*N+s*P+u*W+F]=V}return r.toTensor()},e.prototype.depthwiseConv2DDerFilter=function(t,e,n){Pl([t,e],"depthwiseConv2DDerFilter");for(var r=n.strideHeight,o=n.strideWidth,i=n.filterHeight,a=n.filterWidth,s=Wn(n.filterShape,"float32"),u=n.padInfo.left,c=n.padInfo.top,l=n.outChannels/n.inChannels,h=this.bufferSync(t),f=this.bufferSync(e),p=0;p<i;++p)for(var d=Math.max(0,Math.ceil((c-p)/r)),v=Math.min(n.outHeight,(n.inHeight+c-p)/r),m=0;m<a;++m)for(var g=Math.max(0,Math.ceil((u-m)/o)),y=Math.min(n.outWidth,(n.inWidth+u-m)/o),b=0;b<n.outChannels;++b){for(var x=Math.trunc(b/l),w=b%l,E=0,C=0;C<n.batchSize;++C)for(var _=d;_<v;++_)for(var I=p+_*r-c,R=g;R<y;++R){var S=m+R*o-u;E+=h.get(C,I,S,x)*f.get(C,_,R,b)}s.set(E,p,m,x,w)}return s.toTensor()},e.prototype.tile=function(t,e){return Pl(t,"tile"),fo(this.bufferSync(t),e)},e.prototype.pad=function(t,e,n){Pl(t,"pad");var r=e.map((function(e,n){return e[0]+t.shape[n]+e[1]})),o=e.map((function(t){return t[0]})),i=this.bufferSync(t),a=Wn(r,t.dtype);0!==n&&a.values.fill(n);for(var s=0;s<t.size;s++){var u=i.indexToLoc(s),c=u.map((function(t,e){return t+o[e]}));a.set.apply(a,[i.get.apply(i,u)].concat(c))}return a.toTensor()},e.prototype.transpose=function(t,e){Pl(t,"transpose");for(var n=new Array(t.rank),r=0;r<n.length;r++)n[r]=t.shape[e[r]];var o=this.readSync(t.dataId),i=Wn(n,t.dtype),a=this.bufferSync(t);for(r=0;r<t.size;++r){for(var s=a.indexToLoc(r),u=new Array(s.length),c=0;c<u.length;c++)u[c]=s[e[c]];var l=i.locToIndex(u);i.values[l]=o[r]}return i.toTensor()},e.prototype.gather=function(t,e,n){Pl([t,e],"gather");var r=t.shape.slice(),o=this.readSync(e.dataId);r[n]=o.length;for(var i=Wn(r,t.dtype),a=this.bufferSync(t),s=0;s<i.size;++s){var u=i.indexToLoc(s),c=u.slice();c[n]=o[u[n]];var l=a.locToIndex(c);i.values[s]=a.values[l]}return i.toTensor()},e.prototype.batchToSpaceND=function(t,e,n){Pl([t],"batchToSpaceND");var r=e.reduce((function(t,e){return t*e})),o=fr(t.shape,e,r),i=pr(o.length,e.length),a=dr(t.shape,e,r),s=vr(n,e.length),u=mr(a,n,e.length);return t.reshape(o).transpose(i).reshape(a).slice(s,u)},e.prototype.spaceToBatchND=function(t,e,n){Pl([t],"spaceToBatchND");var r=e.reduce((function(t,e){return t*e})),o=[[0,0]];o.push.apply(o,n);for(var i=1+e.length;i<t.shape.length;++i)o.push([0,0]);var a=t.pad(o),s=fr(a.shape,e,r,!1),u=pr(s.length,e.length,!1),c=dr(a.shape,e,r,!1);return a.reshape(s).transpose(u).reshape(c)},e.prototype.pool=function(t,e,n){Pl(t,"pool");for(var r=e.strideHeight,o=e.strideWidth,i=e.dilationHeight,a=e.dilationWidth,s=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=e.padInfo.top,l=e.padInfo.left,h="max"===n?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,f=this.readSync(t.dataId),p=Wn(e.outShape,t.dtype),d=p.values,v=e.outShape[1]*e.outShape[2]*e.outShape[3],m=e.outShape[2]*e.outShape[3],g=e.outShape[3],y=0;y<e.batchSize;++y)for(var b=y*v,x=y*t.strides[0],w=0;w<e.inChannels;++w)for(var E=0;E<e.outHeight;++E)for(var C=E*r-c,_=Math.max(0,C),I=Math.min(e.inHeight,s+C),R=b+E*m,S=0;S<e.outWidth;++S){for(var k=S*o-l,A=Math.max(0,k),D=Math.min(e.inWidth,u+k),T=h,O=0,N=0,F=_;F<I;F+=i){for(var P=x+F*t.strides[1],M=A;M<D;M+=a){var B=f[P+M*t.strides[2]+w];"max"===n&&B>T?T=B:"avg"===n&&(O+=B,N++)}if(isNaN(T))break}d[R+S*g+w]="avg"===n?O/N:T}return p.toTensor()},e.prototype.maxPool=function(t,e){return this.pool(t,e,"max")},e.prototype.maxPoolPositions=function(t,e){for(var n=Wn(e.outShape,"int32"),r=e.strideHeight,o=e.strideWidth,i=e.dilationHeight,a=e.dilationWidth,s=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=e.padInfo.top,l=e.padInfo.left,h=this.bufferSync(t),f=0;f<e.batchSize;++f)for(var p=0;p<e.inChannels;++p)for(var d=0;d<e.outHeight;++d){for(var v=d*r-c,m=v;m<0;)m+=i;for(var g=Math.min(e.inHeight,s+v),y=0;y<e.outWidth;++y){for(var b=y*o-l,x=b;x<0;)x+=a;for(var w=Math.min(e.inWidth,u+b),E=Number.NEGATIVE_INFINITY,C=-1,_=m;_<g;_+=i)for(var I=_-v,R=x;R<w;R+=a){var S=R-b,k=h.get(f,_,R,p);k>E&&(E=k,C=I*u+S)}n.set(C,f,d,y,p)}}return n.toTensor()},e.prototype.maxPoolBackprop=function(t,e,n,r){Pl([e,n],"maxPoolBackprop");for(var o=this.maxPoolPositions(e,r),i=r.strideHeight,a=r.strideWidth,s=r.dilationHeight,u=r.dilationWidth,c=r.effectiveFilterHeight,l=r.effectiveFilterWidth,h=l-1-r.padInfo.left,f=c-1-r.padInfo.top,p=Wn(e.shape,"float32"),d=this.bufferSync(o),v=this.bufferSync(t),m=0;m<r.batchSize;++m)for(var g=0;g<r.inChannels;++g)for(var y=0;y<r.inHeight;++y)for(var b=0;b<r.inWidth;++b){for(var x=y-f,w=b-h,E=0,C=0;C<c;C+=s){var _=(x+C)/i;if(!(_<0||_>=r.outHeight||Math.floor(_)!==_))for(var I=0;I<l;I+=u){var R=(w+I)/a;if(!(R<0||R>=r.outWidth||Math.floor(R)!==R)){var S=c*l-1-d.get(m,_,R,g)===C*l+I?1:0;0!==S&&(E+=v.get(m,_,R,g)*S)}}}p.set(E,m,y,b,g)}return p.toTensor()},e.prototype.avgPoolBackprop=function(t,e,n){Pl([t,e],"avgPoolBackprop");for(var r=n.strideHeight,o=n.strideWidth,i=n.filterHeight,a=n.filterWidth,s=n.dilationHeight,u=n.dilationWidth,c=n.effectiveFilterHeight,l=n.effectiveFilterWidth,h=l-1-n.padInfo.left,f=c-1-n.padInfo.top,p=Wn(e.shape,"float32"),d=1/(i*a),v=this.bufferSync(t),m=0;m<n.batchSize;++m)for(var g=0;g<n.inChannels;++g)for(var y=0;y<n.inHeight;++y)for(var b=0;b<n.inWidth;++b){for(var x=y-f,w=b-h,E=0,C=0;C<c;C+=s){var _=(x+C)/r;if(!(_<0||_>=n.outHeight||Math.floor(_)!==_))for(var I=0;I<l;I+=u){var R=(w+I)/o;R<0||R>=n.outWidth||Math.floor(R)!==R||(E+=v.get(m,_,R,g))}}p.set(E*d,m,y,b,g)}return p.toTensor()},e.prototype.pool3d=function(t,e,n){Pl(t,"pool3d");for(var r=e.strideDepth,o=e.strideHeight,i=e.strideWidth,a=e.dilationDepth,s=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,l=e.effectiveFilterHeight,h=e.effectiveFilterWidth,f=e.padInfo.front,p=e.padInfo.top,d=e.padInfo.left,v="max"===n?Number.NEGATIVE_INFINITY:Number.POSITIVE_INFINITY,m=this.readSync(t.dataId),g=Wn(e.outShape,t.dtype),y=g.values,b=e.outShape[1]*e.outShape[2]*e.outShape[3]*e.outShape[4],x=e.outShape[2]*e.outShape[3]*e.outShape[4],w=e.outShape[3]*e.outShape[4],E=e.outShape[4],C=0;C<e.batchSize;++C)for(var _=C*b,I=C*t.strides[0],R=0;R<e.inChannels;++R)for(var S=0;S<e.outDepth;++S){for(var k=S*r-f,A=k;A<0;)A+=a;for(var D=Math.min(e.inDepth,c+k),T=_+S*x,O=0;O<e.outHeight;++O){for(var N=O*o-p,F=N;F<0;)F+=s;for(var P=Math.min(e.inHeight,l+N),M=T+O*w,B=0;B<e.outWidth;++B){for(var L=B*i-d,W=L;W<0;)W+=u;for(var j=Math.min(e.inWidth,h+L),U=M+B*E,z=v,V=0,G=0,H=A;H<D;H+=a){for(var q=I+H*t.strides[1],K=F;K<P;K+=s){for(var X=q+K*t.strides[2],Y=W;Y<j;Y+=u){var $=m[X+Y*t.strides[3]+R];if("max"===n&&$>z?z=$:"avg"===n&&(V+=$,G++),isNaN(z))break}if(isNaN(z))break}if(isNaN(z))break}y[U+R]="avg"===n?V/G:z}}}return g.toTensor()},e.prototype.avgPool3d=function(t,e){return Pl(t,"avgPool3d"),this.pool3d(t,e,"avg").toFloat()},e.prototype.avgPool3dBackprop=function(t,e,n){Pl([t,e],"avgPool3dBackprop");for(var r=n.strideDepth,o=n.strideHeight,i=n.strideWidth,a=n.filterDepth,s=n.filterHeight,u=n.filterWidth,c=n.dilationDepth,l=n.dilationHeight,h=n.dilationWidth,f=n.effectiveFilterDepth,p=n.effectiveFilterHeight,d=n.effectiveFilterWidth,v=f-1-n.padInfo.front,m=d-1-n.padInfo.left,g=p-1-n.padInfo.top,y=Wn(e.shape,"float32"),b=1/(a*s*u),x=this.bufferSync(t),w=0;w<n.batchSize;++w)for(var E=0;E<n.inChannels;++E)for(var C=0;C<n.inDepth;++C)for(var _=0;_<n.inHeight;++_)for(var I=0;I<n.inWidth;++I){for(var R=C-v,S=_-g,k=I-m,A=0,D=0;D<f;D+=c){var T=(R+D)/r;if(!(T<0||T>=n.outDepth||Math.floor(T)!==T))for(var O=0;O<p;O+=l){var N=(S+O)/o;if(!(N<0||N>=n.outHeight||Math.floor(N)!==N))for(var F=0;F<d;F+=h){var P=(k+F)/i;P<0||P>=n.outWidth||Math.floor(P)!==P||(A+=x.get(w,T,N,P,E))}}}y.set(A*b,w,C,_,I,E)}return y.toTensor()},e.prototype.maxPool3d=function(t,e){return Pl(t,"maxPool3d"),this.pool3d(t,e,"max").toFloat()},e.prototype.maxPool3dPositions=function(t,e){for(var n=Wn(e.outShape,"int32"),r=e.strideDepth,o=e.strideHeight,i=e.strideWidth,a=e.dilationDepth,s=e.dilationHeight,u=e.dilationWidth,c=e.effectiveFilterDepth,l=e.effectiveFilterHeight,h=e.effectiveFilterWidth,f=e.padInfo.front,p=e.padInfo.top,d=e.padInfo.left,v=this.bufferSync(t),m=0;m<e.batchSize;++m)for(var g=0;g<e.inChannels;++g)for(var y=0;y<e.outDepth;++y){for(var b=y*r-f,x=b;x<0;)x+=a;for(var w=Math.min(e.inDepth,c+b),E=0;E<e.outHeight;++E){for(var C=E*o-p,_=C;_<0;)_+=s;for(var I=Math.min(e.inHeight,l+C),R=0;R<e.outWidth;++R){for(var S=R*i-d,k=S;k<0;)k+=u;for(var A=Math.min(e.inWidth,h+S),D=Number.NEGATIVE_INFINITY,T=-1,O=x;O<w;O+=a)for(var N=O-b,F=_;F<I;F+=s)for(var P=F-C,M=k;M<A;M+=u){var B=M-S,L=v.get(m,O,F,M,g);L>=D&&(D=L,T=N*l*h+P*l+B)}n.set(T,m,y,E,R,g)}}}return n.toTensor()},e.prototype.maxPool3dBackprop=function(t,e,n,r){Pl([e,n],"maxPool3dBackprop");for(var o=this.maxPool3dPositions(e,r),i=r.strideDepth,a=r.strideHeight,s=r.strideWidth,u=r.dilationDepth,c=r.dilationHeight,l=r.dilationWidth,h=r.effectiveFilterDepth,f=r.effectiveFilterHeight,p=r.effectiveFilterWidth,d=h-1-r.padInfo.front,v=p-1-r.padInfo.left,m=f-1-r.padInfo.top,g=Wn(e.shape,"float32"),y=this.bufferSync(o),b=this.bufferSync(t),x=0;x<r.batchSize;++x)for(var w=0;w<r.inChannels;++w)for(var E=0;E<r.inDepth;++E)for(var C=0;C<r.inHeight;++C)for(var _=0;_<r.inWidth;++_){for(var I=E-d,R=C-m,S=_-v,k=0,A=0;A<h;A+=u){var D=(I+A)/i;if(!(D<0||D>=r.outDepth||Math.floor(D)!==D))for(var T=0;T<f;T+=c){var O=(R+T)/a;if(!(O<0||O>=r.outHeight||Math.floor(O)!==O))for(var N=0;N<p;N+=l){var F=(S+N)/s;if(!(F<0||F>=r.outWidth||Math.floor(F)!==F)){var P=h*f*p-1-y.get(x,D,O,F,w)===A*f*p+T*p+N?1:0;0!==P&&(k+=b.get(x,D,O,F,w)*P)}}}}g.set(k,x,E,C,_,w)}return g.toTensor()},e.prototype.cast=function(t,e){return $r(t,e,this)},e.prototype.reshape=function(t,e){return Jr(t,e)},e.prototype.avgPool=function(t,e){return Pl(t,"avgPool"),this.pool(t,e,"avg").toFloat()},e.prototype.resizeBilinear=function(t,e,n,r){Pl(t,"resizeBilinear");for(var o=t.shape,i=o[0],a=o[1],s=o[2],u=o[3],c=this.readSync(t.dataId),l=new Float32Array(k([i,e,n,u])),h=[r&&e>1?a-1:a,r&&n>1?s-1:s],f=[r&&e>1?e-1:e,r&&n>1?n-1:n],p=0,d=h[0]/f[0],v=h[1]/f[1],m=0;m<i;m++)for(var g=0;g<e;g++)for(var y=d*g,b=Math.floor(y),x=y-b,w=Math.min(a-1,Math.ceil(y)),E=m*t.strides[0]+b*t.strides[1],C=m*t.strides[0]+w*t.strides[1],_=0;_<n;_++)for(var I=v*_,R=Math.floor(I),S=I-R,A=Math.min(s-1,Math.ceil(I)),D=E+R*t.strides[2],T=C+R*t.strides[2],O=E+A*t.strides[2],N=C+A*t.strides[2],F=0;F<u;F++){var P=c[D+F],M=c[T+F],B=P+(c[O+F]-P)*S,L=B+(M+(c[N+F]-M)*S-B)*x;l[p++]=L}return un(l,[i,e,n,u])},e.prototype.resizeBilinearBackprop=function(t,e,n){Pl([t,e],"resizeBilinearBackprop");for(var r=e.shape,o=r[0],i=r[1],a=r[2],s=r[3],u=t.shape,c=u[1],l=u[2],h=new Float32Array(o*i*a*s),f=[n&&c>1?i-1:i,n&&l>1?a-1:a],p=[n&&c>1?c-1:c,n&&l>1?l-1:l],d=f[0]/p[0],v=f[1]/p[1],m=this.readSync(t.dataId),g=0,y=0;y<o;y++)for(var b=y*e.strides[0],x=0;x<c;x++)for(var w=x*d,E=Math.floor(w),C=Math.min(Math.ceil(w),i-1),_=b+E*e.strides[1],I=b+C*e.strides[1],R=w-E,S=1-R,k=0;k<l;k++)for(var A=k*v,D=Math.floor(A),T=Math.min(Math.ceil(A),a-1),O=A-D,N=1-O,F=_+D*e.strides[2],P=_+T*e.strides[2],M=I+D*e.strides[2],B=I+T*e.strides[2],L=S*N,W=S*O,j=R*N,U=R*O,z=0;z<s;z++){var V=m[g++];h[F+z]+=V*L,h[P+z]+=V*W,h[M+z]+=V*j,h[B+z]+=V*U}return dn(h,[o,a,i,s],e.dtype)},e.prototype.resizeNearestNeighbor=function(t,e,n,r){Pl(t,"resizeNearestNeighbor");for(var o=t.shape,i=o[0],a=o[1],s=o[2],u=o[3],c=this.readSync(t.dataId),l=new Float32Array(i*e*n*u),h=[r&&e>1?a-1:a,r&&n>1?s-1:s],f=[r&&e>1?e-1:e,r&&n>1?n-1:n],p=h[0]/f[0],d=h[1]/f[1],v=0,m=0;m<i;m++)for(var g=m*t.strides[0],y=0;y<e;y++)for(var b=p*y,x=g+Math.min(a-1,r?Math.round(b):Math.floor(b))*t.strides[1],w=0;w<n;w++)for(var E=d*w,C=x+Math.min(s-1,r?Math.round(E):Math.floor(E))*t.strides[2],_=0;_<u;_++){var I=c[C+_];l[v++]=I}return un(l,[i,e,n,u],t.dtype)},e.prototype.resizeNearestNeighborBackprop=function(t,e,n){Pl([t,e],"resizeNearestNeighborBackprop");for(var r=e.shape,o=r[0],i=r[1],a=r[2],s=r[3],u=t.shape,c=u[1],l=u[2],h=new Float32Array(o*i*a*s),f=this.readSync(t.dataId),p=[n&&c>1?i-1:i,n&&l>1?a-1:a],d=[n&&c>1?c-1:c,n&&l>1?l-1:l],v=p[0]/d[0],m=p[1]/d[1],g=1/v,y=1/m,b=2*Math.ceil(g)+2,x=2*Math.ceil(y)+2,w=0;w<o;w++)for(var E=w*e.strides[0],C=0;C<i;C++)for(var _=E+C*e.strides[1],I=Math.floor(C*g),R=Math.floor(I-b/2),S=0;S<a;S++)for(var k=_+S*e.strides[2],A=Math.floor(S*y),D=Math.floor(A-x/2),T=0;T<s;T++){for(var O=0,N=0;N<b;N++){var F=N+R;if(!(F<0||F>=c)){var P=E+F*t.strides[1],M=F*v;if(C===Math.min(i-1,n?Math.round(M):Math.floor(M)))for(var B=0;B<x;B++){var L=B+D;if(!(L<0||L>=l)){var W=P+L*t.strides[2],j=L*m;S===Math.min(a-1,n?Math.round(j):Math.floor(j))&&(O+=f[W+T])}}}}h[k+T]=O}return dn(h,e.shape,e.dtype)},e.prototype.batchNormalization=function(t,e,n,r,o,i){Pl([t,e,n,o,i],"batchNorm");for(var a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=this.readSync(n.dataId),c=o?this.readSync(o.dataId):new Float32Array([1]),l=i?this.readSync(i.dataId):new Float32Array([0]),h=new Float32Array(a.length),f=l.length,p=c.length,d=u.length,v=s.length,m=0,g=0,y=0,b=0,x=0;x<a.length;++x)h[x]=l[m++]+(a[x]-s[g++])*c[y++]/Math.sqrt(u[b++]+r),m>=f&&(m=0),g>=v&&(g=0),y>=p&&(y=0),b>=d&&(b=0);return dn(h,t.shape)},e.prototype.localResponseNormalization4D=function(t,e,n,r,o){Pl(t,"localResponseNormalization4D");var i=t.shape[3],a=i-1,s=this.readSync(t.dataId),u=t.size,c=new Float32Array(u);function l(t){for(var n=t%i,r=t-n+Math.max(0,n-e),o=t-n+Math.min(n+e,a),u=0;r<=o;r++){var c=s[r];u+=c*c}return u}for(var h=0;h<u;h++){var f=l(h),p=s[h]*Math.pow(n+r*f,-o);c[h]=p}return dn(c,t.shape)},e.prototype.LRNGrad=function(t,e,n,r,o,i,a){Pl(t,"LRNGrad");for(var s=t.shape[3],u=this.readSync(t.dataId),c=this.readSync(e.dataId),l=this.readSync(n.dataId),h=new Float32Array(t.size),f=t.size,p=0;p<f;p++){for(var d=p%s,v=p-d+Math.max(0,d-r),m=p-d+Math.min(s,d+r+1),g=0,y=v;y<m;y++)g+=Math.pow(c[y],2);for(g=i*g+o,y=v;y<m;y++){var b=-2*i*a*c[y]*l[p]/g;p===y&&(b+=Math.pow(g,-a)),b*=u[p],h[y]+=b}}return dn(h,t.shape)},e.prototype.multinomial=function(t,e,n,r){Pl(t,"multinomial");for(var o=e?t:Dr(t),i=o.shape[0],a=o.shape[1],s=mn([i,n],"int32"),u=this.readSync(s.dataId),c=this.readSync(o.dataId),l=0;l<i;++l){var h=l*a,f=new Float32Array(a-1);f[0]=c[h];for(var p=1;p<f.length;++p)f[p]=f[p-1]+c[h+p];for(var d=Pn(r.toString()),v=l*n,m=0;m<n;++m){var g=d();u[v+m]=f.length;for(var y=0;y<f.length;y++)if(g<f[y]){u[v+m]=y;break}}}return s},e.prototype.oneHot=function(t,e,n,r){Pl(t,"oneHot");var o=new Float32Array(t.size*e);o.fill(r);for(var i=this.readSync(t.dataId),a=0;a<t.size;++a)i[a]>=0&&i[a]<e&&(o[a*e+i[a]]=n);return fn(o,[t.size,e],"int32")},e.prototype.nonMaxSuppression=function(t,e,n,r,o){return Pl(t,"nonMaxSuppression"),io(this.readSync(t.dataId),this.readSync(e.dataId),n,r,o)},e.prototype.fft=function(t){return this.fftBatch(t,!1)},e.prototype.ifft=function(t){return this.fftBatch(t,!0)},e.prototype.fftBatch=function(t,e){for(var n=t.shape[0],r=t.shape[1],o=Wn(t.shape,"float32"),i=Wn(t.shape,"float32"),a=an(t).as2D(n,r),s=sn(t).as2D(n,r),u=0;u<n;u++)for(var c=a.slice([u,0],[1,r]),l=s.slice([u,0],[1,r]),h=on(c,l),f=this.readSync(this.fftImpl(h,e).dataId),p=0;p<r;p++){var d=to(f,p);o.values[u*r+p]=d.real,i.values[u*r+p]=d.imag}return on(o.toTensor(),i.toTensor()).as2D(n,r)},e.prototype.fftImpl=function(t,e){var n=t.as1D(),r=n.size;if(this.isExponentOf2(r)){var o=this.fftRadix2(n,r,e).as2D(t.shape[0],t.shape[1]);return e&&(o=on(an(o).div(ln(r)),sn(o).div(ln(r)))),o}var i=this.readSync(t.dataId),a=function(t){for(var e=new Float32Array(t.length/2),n=new Float32Array(t.length/2),r=0;r<t.length;r+=2)e[r/2]=t[r],n[r/2]=t[r+1];return{real:e,imag:n}}(this.fourierTransformByMatmul(i,r,e));return on(a.real,a.imag).as2D(t.shape[0],t.shape[1])},e.prototype.isExponentOf2=function(t){return 0==(t&t-1)},e.prototype.fftRadix2=function(t,e,n){if(1===e)return t;var r=this.readSync(t.dataId),o=e/2,i=function(t){for(var e=Math.ceil(t.length/4),n=new Float32Array(e),r=new Float32Array(e),o=0;o<t.length;o+=4)n[Math.floor(o/4)]=t[o],r[Math.floor(o/4)]=t[o+1];return{real:n,imag:r}}(r),a=on(i.real,i.imag).as1D(),s=function(t){for(var e=Math.floor(t.length/4),n=new Float32Array(e),r=new Float32Array(e),o=2;o<t.length;o+=4)n[Math.floor(o/4)]=t[o],r[Math.floor(o/4)]=t[o+1];return{real:n,imag:r}}(r),u=on(s.real,s.imag).as1D();a=this.fftRadix2(a,o,n),u=this.fftRadix2(u,o,n);var c=function(t,e){for(var n=new Float32Array(t/2),r=new Float32Array(t/2),o=0;o<Math.ceil(t/2);o++){var i=(e?2:-2)*Math.PI*(o/t);n[o]=Math.cos(i),r[o]=Math.sin(i)}return{real:n,imag:r}}(e,n),l=on(c.real,c.imag).mul(u),h=a.add(l),f=a.sub(l),p=an(h).concat(an(f)),d=sn(h).concat(sn(f));return on(p,d).as1D()},e.prototype.fourierTransformByMatmul=function(t,e,n){for(var r=new Float32Array(2*e),o=0;o<e;o++){for(var i=0,a=0,s=0;s<e;s++){var u=no(o*s,e,n),c=to(t,s);i+=c.real*u.real-c.imag*u.imag,a+=c.real*u.imag+c.imag*u.real}n&&(i/=e,a/=e),eo(r,i,a,o)}return r},e.prototype.depthToSpace=function(t,e,n){_("NHWC"===n,(function(){return"Only NHWC dataFormat supported on CPU for depthToSpace. Got "+n})),_(e>1,(function(){return"blockSize should be > 1 for depthToSpace, but was: "+e}));for(var r=t.shape[0],o=t.shape[1],i=t.shape[2],a=t.shape[3],s=o*e,u=i*e,c=a/(e*e),l=this.readSync(t.dataId),h=new Float32Array(r*s*u*c),f=0,p=0;p<r;++p)for(var d=0;d<s;++d)for(var v=Math.floor(d/e),m=d%e,g=0;g<u;++g)for(var y=Math.floor(g/e),b=(m*e+g%e)*c,x=0;x<c;++x){var w=x+b+a*(y+i*(v+o*p));h[f++]=l[w]}return dn(h,[r,s,u,c])},e.prototype.broadcastedBinaryOp=function(t,e,n,r){var o=Br(t.shape,e.shape),i=Wn(o,n),a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=Pr(t.shape,o),c=Pr(e.shape,o),l=i.values;if(u.length+c.length===0)for(var h=0;h<l.length;++h)l[h]=r(a[h%a.length],s[h%s.length]);else{var f=this.bufferSync(t),p=this.bufferSync(e),d=function(n){var o=i.indexToLoc(n),h=o.slice(-t.rank);u.forEach((function(t){return h[t]=0}));var d=f.locToIndex(h),v=o.slice(-e.rank);c.forEach((function(t){return v[t]=0}));var m=p.locToIndex(v);l[n]=r(a[d],s[m])};for(h=0;h<l.length;++h)d(h)}return i.toTensor()},e.prototype.broadcastedBinaryComplexOp=function(t,e,n){var r=Br(t.shape,e.shape),o=Wn(r,"float32"),i=Wn(r,"float32"),a=this.readSync(t.dataId),s=this.readSync(e.dataId),u=Pr(t.shape,r),c=Pr(e.shape,r),l=o.values,h=i.values;if(u.length+c.length===0)for(var f=0;f<l.length;f++){var p=f%a.length,d=f%s.length,v=n(a[2*p],a[2*p+1],s[2*d],s[2*d+1]);l[f]=v.real,h[f]=v.imag}else{var m=this.bufferSync(this.data.get(t.dataId).complexTensors.real),g=this.bufferSync(this.data.get(e.dataId).complexTensors.real),y=function(r){var i=o.indexToLoc(r),f=i.slice(-t.rank);u.forEach((function(t){return f[t]=0}));var p=m.locToIndex(f),d=i.slice(-e.rank);c.forEach((function(t){return d[t]=0}));var v=g.locToIndex(d),y=n(a[2*p],a[2*p+1],s[2*v],s[2*v+1]);l[r]=y.real,h[r]=y.imag};for(f=0;f<l.length;f++)y(f)}return this.complex(o.toTensor(),i.toTensor())},e.prototype.split=function(t,e,n){return ho(t,e,n)},e.prototype.dispose=function(){},e.prototype.floatPrecision=function(){return 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j=g[N=O+B*y[2]+F*y[1]+R*y[0]],U=g[N=O+L*y[2]+F*y[1]+R*y[0]],z=g[N=O+B*y[2]+P*y[1]+R*y[0]],V=j+(U-j)*W,G=z+(g[N=O+L*y[2]+P*y[1]+R*y[0]]-z)*W;N=O+T*b[2]+A*b[1]+x*b[0],d.values[N]=V+(G-V)*M}}}else for(T=0;T<p;++T){var H;if((H=p>1?C*(c-1)+T*k:.5*(C+I)*(c-1))<0||H>c-1)for(O=0;O<l;O++)N=O+T*b[2]+A*b[1]+x*b[0],d.values[N]=i;else{var q=Math.round(H),K=Math.round(D);for(O=0;O<l;O++){var X=O+q*y[2]+K*y[1]+R*y[0],Y=O+T*b[2]+A*b[1]+x*b[0];d.values[Y]=g[X]}}}}}return d.toTensor()},e.prototype.sparseToDense=function(t,e,n,r){var o=wr(0,t,n),i=o.sliceRank,a=o.numUpdates,s=o.sliceSize,u=o.strides,c=o.outputSize;return this.scatter(t,e,n,c,s,a,i,u,r,!1)},e.prototype.gatherND=function(t,e){var n=e.shape,r=n[n.length-1],o=gr(t,e),i=o[0],a=o[1],s=o[2],u=o[3];if(0===a)return un([],i,t.dtype);for(var c=new dt([a,s],t.dtype),l=this.readSync(e.dataId),h=this.readSync(t.dataId),f=0;f<a;f++){for(var p=[],d=0,v=0;v<r;v++){var m=l[f*r+v];d+=m*u[v],p.push(m)}if(d<0||d>=t.size/s)throw new Error("Invalid indices: 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n=[{paths:["./"+this.weightDataFileName],weights:t.weightSpecs}],r={modelTopology:t.modelTopology,format:t.format,generatedBy:t.generatedBy,convertedBy:t.convertedBy,weightsManifest:n},o=window.URL.createObjectURL(new Blob([JSON.stringify(r)],{type:"application/json"})),(i=null==this.jsonAnchor?document.createElement("a"):this.jsonAnchor).download=this.modelTopologyFileName,i.href=o,[4,kh((function(){return i.dispatchEvent(new MouseEvent("click"))}))];case 2:return s.sent(),null==t.weightData?[3,4]:((a=null==this.weightDataAnchor?document.createElement("a"):this.weightDataAnchor).download=this.weightDataFileName,a.href=e,[4,kh((function(){return a.dispatchEvent(new MouseEvent("click"))}))]);case 3:s.sent(),s.label=4;case 4:return[2,{modelArtifactsInfo:rh(t)}]}}))}))},t.URL_SCHEME="downloads://",t}(),Dh=function(){function t(t){if(null==t||t.length<1)throw new Error("When calling browserFiles, at least 1 file is required, but received "+t);this.files=t}return 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/*!*********************************************************************************!*\
!*** ./src/pages/Classrooms/Lists/Exercise/AnswerCheck/index.tsx + 172 modules ***!
\*********************************************************************************/
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this._inputDimensions[t][0]},t.prototype.getInputWidth=function(t){return this._inputDimensions[t][1]},t.prototype.getReshapedInputDimensions=function(t){if("number"!=typeof this.inputSize)throw new Error("getReshapedInputDimensions - inputSize not set, toBatchTensor has not been called yet");return function(t,e){var n=t.width,r=t.height,o=e/Math.max(r,n);return new T(Math.round(n*o),Math.round(r*o))}({width:this.getInputWidth(t),height:this.getInputHeight(t)},this.inputSize)},t.prototype.toBatchTensor=function(t,e){var n=this;return void 0===e&&(e=!0),this._inputSize=t,k.L((function(){var r=W(n.batchSize,0,1).map((function(r){var o=n.getInput(r);if(o instanceof k.a){var i=F(o)?o:o.expandDims();return(i=function(t,e){return void 0===e&&(e=!1),k.L((function(){var n=t.shape.slice(1),r=n[0],o=n[1];if(r===o)return t;var i=Math.abs(r-o),a=Math.round(i*(e?.5:1)),s=r>o?2:1,u=function(e){var n=t.shape.slice();return n[s]=e,k.n(n,0)},c=u(a),l=i-c.shape[s],h=[e&&l?u(l):null,t,c].filter((function(t){return!!t})).map((function(t){return t.toFloat()}));return k.h(h,s)}))}(i,e)).shape[1]===t&&i.shape[2]===t||(i=k.o.resizeBilinear(i,[t,t])),i.as3D(t,t,3)}if(o instanceof vt.getEnv().Canvas)return k.f.fromPixels(function(t,e,n){void 0===n&&(n=!1);var r=vt.getEnv(),o=r.Image,i=r.Canvas;if(!(t instanceof o||t instanceof i))throw new Error("imageToSquare - expected arg0 to be HTMLImageElement | HTMLCanvasElement");var a=_t(t),s=e/Math.max(a.height,a.width),u=s*a.width,c=s*a.height,l=It({width:e,height:e}),h=t instanceof i?t:Rt(t),f=Math.abs(u-c)/2,p=n&&u<c?f:0,d=n&&c<u?f:0;return gt(l).drawImage(h,p,d,u,c),l}(o,t,e));throw new Error("toBatchTensor - at batchIdx "+r+", expected input to be instanceof tf.Tensor or instanceof HTMLCanvasElement, instead have "+o)}));return k.E(r.map((function(t){return t.toFloat()}))).as4D(n.batchSize,t,t,3)}))},t}();function Dt(t){return Object(D.b)(this,void 0,void 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t.clipAtImageBorders(r.width,r.height)})).map((function(t){var e=t.x,n=t.y,r=t.width,o=t.height,i=It({width:r,height:o});return gt(i).putImageData(s.getImageData(e,n,r,o),0,0),i}))]}}))}))}function Ot(t,e){return Object(D.b)(this,void 0,void 0,(function(){return Object(D.d)(this,(function(n){if(!N(t)&&!F(t))throw new Error("extractFaceTensors - expected image tensor to be 3D or 4D");if(F(t)&&t.shape[0]>1)throw new Error("extractFaceTensors - batchSize > 1 not supported");return[2,k.L((function(){var n=t.shape.slice(F(t)?1:0),r=n[0],o=n[1],i=n[2];return e.map((function(t){return t instanceof q?t.forSize(o,r).box:t})).map((function(t){return t.clipAtImageBorders(o,r)})).map((function(e){var n=e.x,a=e.y,s=e.width,u=e.height;return k.C(t.as3D(r,o,i),[a,n,0],[u,s,i])}))}))]}))}))}function Nt(t,e){return Object(D.b)(this,void 0,void 0,(function(){var n;return Object(D.d)(this,(function(r){switch(r.label){case 0:return[4,(0,vt.getEnv().fetch)(t,e)];case 1:if(!((n=r.sent()).status<400))throw 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Object(D.d)(this,(function(e){switch(e.label){case 0:return t instanceof Float32Array?(this.extractWeights(t),[2]):[4,this.loadFromUri(t)];case 1:return e.sent(),[2]}}))}))},t.prototype.loadFromUri=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:if(t&&"string"!=typeof t)throw new Error(this._name+".loadFromUri - expected model uri");return[4,Mt(t,this.getDefaultModelName())];case 1:return e=n.sent(),this.loadFromWeightMap(e),[2]}}))}))},t.prototype.loadFromDisk=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e,n,r,o,i,a,s,u,c,l;return Object(D.d)(this,(function(h){switch(h.label){case 0:if(t&&"string"!=typeof t)throw new Error(this._name+".loadFromDisk - expected model file path");return e=vt.getEnv().readFile,n=Pt(t,this.getDefaultModelName()),r=n.manifestUri,o=n.modelBaseUri,i=function(t){return Promise.all(t.map((function(t){return e(t).then((function(t){return t.buffer}))})))},a=k.p.weightsLoaderFactory(i),c=(u=JSON).parse,[4,e(r)];case 1:return s=c.apply(u,[h.sent().toString()]),[4,a(s,o)];case 2:return l=h.sent(),this.loadFromWeightMap(l),[2]}}))}))},t.prototype.loadFromWeightMap=function(t){var e=this.extractParamsFromWeigthMap(t),n=e.paramMappings,r=e.params;this._paramMappings=n,this._params=r},t.prototype.extractWeights=function(t){var e=this.extractParams(t),n=e.paramMappings,r=e.params;this._paramMappings=n,this._params=r},t.prototype.traversePropertyPath=function(t){if(!this.params)throw new Error("traversePropertyPath - model has no loaded params");var e=t.split("/").reduce((function(e,n){if(!e.nextObj.hasOwnProperty(n))throw new Error("traversePropertyPath - object does not have property "+n+", for path "+t);return{obj:e.nextObj,objProp:n,nextObj:e.nextObj[n]}}),{nextObj:this.params}),n=e.obj,r=e.objProp;if(!(n&&r&&n[r]instanceof k.a))throw new Error("traversePropertyPath - parameter is not a tensor, for path 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t.call(this,"FaceFeatureExtractor")||this}return Object(D.c)(e,t),e.prototype.forwardInput=function(t){var e=this.params;if(!e)throw new Error("FaceFeatureExtractor - load model before inference");return k.L((function(){var n=jt(Y(t.toBatchTensor(112,!0),[122.782,117.001,104.298]).div(k.y(255)),e.dense0,!0);return n=jt(n,e.dense1),n=jt(n,e.dense2),n=jt(n,e.dense3),n=k.d(n,[7,7],[2,2],"valid")}))},e.prototype.forward=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Dt(t)];case 1:return[2,e.apply(this,[n.sent()])]}}))}))},e.prototype.getDefaultModelName=function(){return"face_feature_extractor_model"},e.prototype.extractParamsFromWeigthMap=function(t){return function(t){var e=[],n=Qt(t,e).extractDenseBlock4Params,r={dense0:n("dense0",!0),dense1:n("dense1"),dense2:n("dense2"),dense3:n("dense3")};return zt(t,e),{params:r,paramMappings:e}}(t)},e.prototype.extractParams=function(t){return function(t){var e=[],n=Yt(t),r=n.extractWeights,o=n.getRemainingWeights,i=$t(r,e).extractDenseBlock4Params,a=i(3,32,"dense0",!0),s=i(32,64,"dense1"),u=i(64,128,"dense2"),c=i(128,256,"dense3");if(0!==o().length)throw new Error("weights remaing after extract: "+o().length);return{paramMappings:e,params:{dense0:a,dense1:s,dense2:u,dense3:c}}}(t)},e}(Bt);function te(t,e){return k.L((function(){return k.c(k.q(t,e.weights),e.bias)}))}function ee(t){var e={},n={};return Object.keys(t).forEach((function(r){(r.startsWith("fc")?n:e)[r]=t[r]})),{featureExtractorMap:e,classifierMap:n}}var ne=function(t){function e(e,n){var r=t.call(this,e)||this;return r._faceFeatureExtractor=n,r}return Object(D.c)(e,t),Object.defineProperty(e.prototype,"faceFeatureExtractor",{get:function(){return this._faceFeatureExtractor},enumerable:!0,configurable:!0}),e.prototype.runNet=function(t){var e=this,n=this.params;if(!n)throw new 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e,n=[],r=Xt(t,n),o={fc:(e="fc",{weights:r(e+"/weights",2),bias:r(e+"/bias",1)})};return zt(t,n),{params:o,paramMappings:n}}(r)},e.prototype.extractParams=function(t){var e=this.getClassifierChannelsIn(),n=this.getClassifierChannelsOut(),r=n*e+n,o=t.slice(0,t.length-r),i=t.slice(t.length-r);return this.faceFeatureExtractor.extractWeights(o),this.extractClassifierParams(i)},e}(Bt),re=["neutral","happy","sad","angry","fearful","disgusted","surprised"],oe=function(){function t(t){var e=this;if(7!==t.length)throw new Error("FaceExpressions.constructor - expected probabilities.length to be 7, have: "+t.length);re.forEach((function(n,r){e[n]=t[r]}))}return t.prototype.asSortedArray=function(){var t=this;return re.map((function(e){return{expression:e,probability:t[e]}})).sort((function(t,e){return e.probability-t.probability}))},t}(),ie=function(t){function e(e){return void 0===e&&(e=new Zt),t.call(this,"FaceExpressionNet",e)||this}return 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n=t.detection.box,r=e.shiftBy(n.x,n.y),o=r.align(),i=t.detection.imageDims,a={landmarks:r,unshiftedLandmarks:e,alignedRect:new q(t.detection.score,o.rescale(i.reverse()),i)};return Object.assign({},t,a)}var le=function(t){void 0===t&&(t={});var e=t.drawLines,n=void 0===e||e,r=t.drawPoints,o=void 0===r||r,i=t.lineWidth,a=t.lineColor,s=t.pointSize,u=t.pointColor;this.drawLines=n,this.drawPoints=o,this.lineWidth=i||1,this.pointSize=s||2,this.lineColor=a||"rgba(0, 255, 255, 1)",this.pointColor=u||"rgba(255, 0, 255, 1)"},he=function(){function t(t,e){void 0===e&&(e={}),this.faceLandmarks=t,this.options=new le(e)}return t.prototype.draw=function(t){var e=gt(t),n=this.options,r=n.drawLines,o=n.drawPoints,i=n.lineWidth,a=n.lineColor,s=n.pointSize,u=n.pointColor;if(r&&this.faceLandmarks instanceof tt&&(e.strokeStyle=a,e.lineWidth=i,A(e,this.faceLandmarks.getJawOutline()),A(e,this.faceLandmarks.getLeftEyeBrow()),A(e,this.faceLandmarks.getRightEyeBrow()),A(e,this.faceLandmarks.getNose()),A(e,this.faceLandmarks.getLeftEye(),!0),A(e,this.faceLandmarks.getRightEye(),!0),A(e,this.faceLandmarks.getMouth(),!0)),o){e.strokeStyle=u,e.fillStyle=u;this.faceLandmarks.positions.forEach((function(t){e.beginPath(),e.arc(t.x,t.y,s,0,2*Math.PI),e.fill()}))}},t}();function fe(t,e){(Array.isArray(e)?e:[e]).forEach((function(e){var n=e instanceof Q?e:ue(e)?e.landmarks:void 0;if(!n)throw new Error("drawFaceLandmarks - expected faceExpressions to be FaceLandmarks | WithFaceLandmarks<WithFaceDetection<{}>> or array thereof");new he(n).draw(t)}))}function pe(t,e){var n=[],r=Yt(t),o=r.extractWeights,i=r.getRemainingWeights,a=function(t,e){var n=Vt(t,e),r=qt(t,e);return{extractConvParams:n,extractSeparableConvParams:r,extractReductionBlockParams:function(t,e,o){return{separable_conv0:r(t,e,o+"/separable_conv0"),separable_conv1:r(e,e,o+"/separable_conv1"),expansion_conv:n(t,e,1,o+"/expansion_conv")}},extractMainBlockParams:function(t,e){return{separable_conv0:r(t,t,e+"/separable_conv0"),separable_conv1:r(t,t,e+"/separable_conv1"),separable_conv2:r(t,t,e+"/separable_conv2")}}}}(o,n),s=a.extractConvParams,u=a.extractSeparableConvParams,c=a.extractReductionBlockParams,l=a.extractMainBlockParams,h={conv_in:s(3,32,3,"entry_flow/conv_in"),reduction_block_0:c(32,64,"entry_flow/reduction_block_0"),reduction_block_1:c(64,128,"entry_flow/reduction_block_1")},f={};W(e,0,1).forEach((function(t){f["main_block_"+t]=l(128,"middle_flow/main_block_"+t)}));var p={reduction_block:c(128,256,"exit_flow/reduction_block"),separable_conv:u(256,512,"exit_flow/separable_conv")};if(0!==i().length)throw new Error("weights remaing after extract: 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zt(t,n),{params:{entry_flow:u,middle_flow:c,exit_flow:l},paramMappings:n}}function ve(t,e,n){return k.c(k.i(t,e.filters,n,"same"),e.bias)}function me(t,e,n){void 0===n&&(n=!0);var r=n?k.w(t):t;return r=Lt(r,e.separable_conv0,[1,1]),r=Lt(k.w(r),e.separable_conv1,[1,1]),r=k.s(r,[3,3],[2,2],"same"),r=k.c(r,ve(t,e.expansion_conv,[2,2]))}var ge,ye=function(t){function e(e){var n=t.call(this,"TinyXception")||this;return n._numMainBlocks=e,n}return Object(D.c)(e,t),e.prototype.forwardInput=function(t){var e=this,n=this.params;if(!n)throw new Error("TinyXception - load model before inference");return k.L((function(){var r=Y(t.toBatchTensor(112,!0),[122.782,117.001,104.298]).div(k.y(256)),o=k.w(ve(r,n.entry_flow.conv_in,[2,2]));return o=me(o,n.entry_flow.reduction_block_0,!1),o=me(o,n.entry_flow.reduction_block_1),W(e._numMainBlocks,0,1).forEach((function(t){o=function(t,e){var n=Lt(k.w(t),e.separable_conv0,[1,1]);return n=Lt(k.w(n),e.separable_conv1,[1,1]),n=Lt(k.w(n),e.separable_conv2,[1,1]),n=k.c(n,t)}(o,n.middle_flow["main_block_"+t])})),o=me(o,n.exit_flow.reduction_block),o=k.w(Lt(o,n.exit_flow.separable_conv,[1,1]))}))},e.prototype.forward=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Dt(t)];case 1:return[2,e.apply(this,[n.sent()])]}}))}))},e.prototype.getDefaultModelName=function(){return"tiny_xception_model"},e.prototype.extractParamsFromWeigthMap=function(t){return de(t,this._numMainBlocks)},e.prototype.extractParams=function(t){return pe(t,this._numMainBlocks)},e}(Bt);!function(t){t.FEMALE="female",t.MALE="male"}(ge||(ge={}));var be=function(t){function e(e){void 0===e&&(e=new ye(2));var n=t.call(this,"AgeGenderNet")||this;return n._faceFeatureExtractor=e,n}return Object(D.c)(e,t),Object.defineProperty(e.prototype,"faceFeatureExtractor",{get:function(){return this._faceFeatureExtractor},enumerable:!0,configurable:!0}),e.prototype.runNet=function(t){var e=this,n=this.params;if(!n)throw new Error(this._name+" - load model before inference");return k.L((function(){var r=t instanceof At?e.faceFeatureExtractor.forwardInput(t):t,o=k.d(r,[7,7],[2,2],"valid").as2D(r.shape[0],-1);return{age:te(o,n.fc.age).as1D(),gender:te(o,n.fc.gender)}}))},e.prototype.forwardInput=function(t){var e=this;return k.L((function(){var n=e.runNet(t),r=n.age,o=n.gender;return{age:r,gender:k.D(o)}}))},e.prototype.forward=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Dt(t)];case 1:return[2,e.apply(this,[n.sent()])]}}))}))},e.prototype.predictAgeAndGender=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e,n,r,o,i,a,s=this;return Object(D.d)(this,(function(u){switch(u.label){case 0:return[4,Dt(t)];case 1:return e=u.sent(),[4,this.forwardInput(e)];case 2:return n=u.sent(),r=k.O(n.age),o=k.O(n.gender),i=r.map((function(t,e){return{ageTensor:t,genderTensor:o[e]}})),[4,Promise.all(i.map((function(t){var e=t.ageTensor,n=t.genderTensor;return Object(D.b)(s,void 0,void 0,(function(){var t,r,o,i,a;return Object(D.d)(this,(function(s){switch(s.label){case 0:return[4,e.data()];case 1:return t=s.sent()[0],[4,n.data()];case 2:return r=s.sent()[0],i=(o=r>.5)?ge.MALE:ge.FEMALE,a=o?r:1-r,e.dispose(),n.dispose(),[2,{age:t,gender:i,genderProbability:a}]}}))}))})))];case 3:return a=u.sent(),n.age.dispose(),n.gender.dispose(),[2,e.isBatchInput?a:a[0]]}}))}))},e.prototype.getDefaultModelName=function(){return"age_gender_model"},e.prototype.dispose=function(e){void 0===e&&(e=!0),this.faceFeatureExtractor.dispose(e),t.prototype.dispose.call(this,e)},e.prototype.loadClassifierParams=function(t){var e=this.extractClassifierParams(t),n=e.params,r=e.paramMappings;this._params=n,this._paramMappings=r},e.prototype.extractClassifierParams=function(t){return function(t){var e=[],n=Yt(t),r=n.extractWeights,o=n.getRemainingWeights,i=Gt(r,e),a=i(512,1,"fc/age"),s=i(512,2,"fc/gender");if(0!==o().length)throw new Error("weights remaing after extract: "+o().length);return{paramMappings:e,params:{fc:{age:a,gender:s}}}}(t)},e.prototype.extractParamsFromWeigthMap=function(t){var e=ee(t),n=e.featureExtractorMap,r=e.classifierMap;return this.faceFeatureExtractor.loadFromWeightMap(n),function(t){var e=[],n=Xt(t,e);function r(t){return{weights:n(t+"/weights",2),bias:n(t+"/bias",1)}}var o={fc:{age:r("fc/age"),gender:r("fc/gender")}};return zt(t,e),{params:o,paramMappings:e}}(r)},e.prototype.extractParams=function(t){var e=t.slice(0,t.length-1539),n=t.slice(t.length-1539);return this.faceFeatureExtractor.extractWeights(e),this.extractClassifierParams(n)},e}(Bt),xe=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return Object(D.c)(e,t),e.prototype.postProcess=function(t,e,n){var r=n.map((function(t){var n=t.width,r=t.height,o=e/Math.max(r,n);return{width:n*o,height:r*o}})),o=r.length;return k.L((function(){var n=function(t,e){return k.E([k.n([68],t),k.n([68],e)],1).as2D(1,136).as1D()},i=function(t,e){var n=r[t],o=n.width,i=n.height;return e(o,i)?Math.abs(o-i)/2:0};return t.mul(k.n([o,136],e)).sub(k.E(Array.from(Array(o),(function(t,e){return n(function(t){return i(t,(function(t,e){return t<e}))}(e),function(t){return i(t,(function(t,e){return e<t}))}(e))})))).div(k.E(Array.from(Array(o),(function(t,e){return n(r[e].width,r[e].height)}))))}))},e.prototype.forwardInput=function(t){var e=this;return k.L((function(){var n=e.runNet(t);return e.postProcess(n,t.inputSize,t.inputDimensions.map((function(t){return{height:t[0],width:t[1]}})))}))},e.prototype.forward=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Dt(t)];case 1:return[2,e.apply(this,[n.sent()])]}}))}))},e.prototype.detectLandmarks=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e,n,r,o=this;return Object(D.d)(this,(function(i){switch(i.label){case 0:return[4,Dt(t)];case 1:return e=i.sent(),n=k.L((function(){return k.O(o.forwardInput(e))})),[4,Promise.all(n.map((function(t,n){return Object(D.b)(o,void 0,void 0,(function(){var r,o,i,a,s;return Object(D.d)(this,(function(u){switch(u.label){case 0:return i=(o=Array).from,[4,t.data()];case 1:return r=i.apply(o,[u.sent()]),a=r.filter((function(t,e){return P(e)})),s=r.filter((function(t,e){return!P(e)})),[2,new tt(Array(68).fill(0).map((function(t,e){return new z(a[e],s[e])})),{height:e.getInputHeight(n),width:e.getInputWidth(n)})]}}))}))})))];case 2:return r=i.sent(),n.forEach((function(t){return t.dispose()})),[2,e.isBatchInput?r:r[0]]}}))}))},e.prototype.getClassifierChannelsOut=function(){return 136},e}(ne),we=function(t){function e(e){return void 0===e&&(e=new Zt),t.call(this,"FaceLandmark68Net",e)||this}return Object(D.c)(e,t),e.prototype.getDefaultModelName=function(){return"face_landmark_68_model"},e.prototype.getClassifierChannelsIn=function(){return 256},e}(xe);var Ee=function(t){function e(){return t.call(this,"TinyFaceFeatureExtractor")||this}return Object(D.c)(e,t),e.prototype.forwardInput=function(t){var e=this.params;if(!e)throw new Error("TinyFaceFeatureExtractor - load model before inference");return k.L((function(){var n=Wt(Y(t.toBatchTensor(112,!0),[122.782,117.001,104.298]).div(k.y(255)),e.dense0,!0);return n=Wt(n,e.dense1),n=Wt(n,e.dense2),n=k.d(n,[14,14],[2,2],"valid")}))},e.prototype.forward=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:return 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e=[],n=ke(t,e),r=n.extractConvLayerParams,o=n.extractResidualLayerParams,i=r("conv32_down"),a=o("conv32_1"),s=o("conv32_2"),u=o("conv32_3"),c=o("conv64_down"),l=o("conv64_1"),h=o("conv64_2"),f=o("conv64_3"),p=o("conv128_down"),d=o("conv128_1"),v=o("conv128_2"),m=o("conv256_down"),g=o("conv256_1"),y=o("conv256_2"),b=o("conv256_down_out"),x=t.fc;if(e.push({originalPath:"fc",paramPath:"fc"}),!O(x,2))throw new Error("expected weightMap[fc] to be a Tensor2D, instead have "+x);var w={conv32_down:i,conv32_1:a,conv32_2:s,conv32_3:u,conv64_down:c,conv64_1:l,conv64_2:h,conv64_3:f,conv128_down:p,conv128_1:d,conv128_2:v,conv256_down:m,conv256_1:g,conv256_2:y,conv256_down_out:b,fc:x};return zt(t,e),{params:w,paramMappings:e}}function De(t,e){var n=function(t,e){return _e(t,e,[1,1],!0)}(t,e.conv1);return n=Ie(n,e.conv2),n=k.c(n,t),n=k.w(n)}function Te(t,e){var n=Re(t,e.conv1);n=Ie(n,e.conv2);var r=k.d(t,2,2,"valid"),o=k.P(r.shape),i=r.shape[3]!==n.shape[3];if(r.shape[1]!==n.shape[1]||r.shape[2]!==n.shape[2]){var a=Object(D.e)(n.shape);a[1]=1;var s=k.P(a);n=k.h([n,s],1);var u=Object(D.e)(n.shape);u[2]=1;var c=k.P(u);n=k.h([n,c],2)}return r=i?k.h([r,o],3):r,n=k.c(r,n),n=k.w(n)}var Oe=function(t){function e(){return t.call(this,"FaceRecognitionNet")||this}return Object(D.c)(e,t),e.prototype.forwardInput=function(t){var e=this.params;if(!e)throw new Error("FaceRecognitionNet - load model before inference");return k.L((function(){var n=Re(Y(t.toBatchTensor(150,!0).toFloat(),[122.782,117.001,104.298]).div(k.y(256)),e.conv32_down);n=De(n=k.s(n,3,2,"valid"),e.conv32_1),n=De(n,e.conv32_2),n=De(n,e.conv32_3),n=De(n=Te(n,e.conv64_down),e.conv64_1),n=De(n,e.conv64_2),n=De(n,e.conv64_3),n=De(n=Te(n,e.conv128_down),e.conv128_1),n=De(n,e.conv128_2),n=De(n=Te(n,e.conv256_down),e.conv256_1);var r=(n=Te(n=De(n,e.conv256_2),e.conv256_down_out)).mean([1,2]);return 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e=Yt(t),n=e.extractWeights,r=e.getRemainingWeights,o=[],i=Se(n,o),a=i.extractConvLayerParams,s=i.extractResidualLayerParams,u=a(4704,32,7,"conv32_down"),c=s(9216,32,3,"conv32_1"),l=s(9216,32,3,"conv32_2"),h=s(9216,32,3,"conv32_3"),f=s(36864,64,3,"conv64_down",!0),p=s(36864,64,3,"conv64_1"),d=s(36864,64,3,"conv64_2"),v=s(36864,64,3,"conv64_3"),m=s(147456,128,3,"conv128_down",!0),g=s(147456,128,3,"conv128_1"),y=s(147456,128,3,"conv128_2"),b=s(589824,256,3,"conv256_down",!0),x=s(589824,256,3,"conv256_1"),w=s(589824,256,3,"conv256_2"),E=s(589824,256,3,"conv256_down_out"),C=k.L((function(){return k.N(k.I(n(32768),[128,256]),[1,0])}));if(o.push({paramPath:"fc"}),0!==r().length)throw new Error("weights remaing after extract: "+r().length);return{params:{conv32_down:u,conv32_1:c,conv32_2:l,conv32_3:h,conv64_down:f,conv64_1:p,conv64_2:d,conv64_3:v,conv128_down:m,conv128_1:g,conv128_2:y,conv256_down:b,conv256_1:x,conv256_2:w,conv256_down_out:E,fc:C},paramMappings:o}}(t)},e}(Bt);function 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e.push({paramPath:r+"/filters"},{paramPath:r+"/batch_norm_scale"},{paramPath:r+"/batch_norm_offset"},{paramPath:r+"/batch_norm_mean"},{paramPath:r+"/batch_norm_variance"}),{filters:o,batch_norm_scale:i,batch_norm_offset:a,batch_norm_mean:s,batch_norm_variance:u}}(n,i+"/depthwise_conv"),pointwise_conv:r(n,o,1,i+"/pointwise_conv")}}return{extractMobilenetV1Params:function(){return{conv_0:r(3,32,3,"mobilenetv1/conv_0"),conv_1:o(32,64,"mobilenetv1/conv_1"),conv_2:o(64,128,"mobilenetv1/conv_2"),conv_3:o(128,128,"mobilenetv1/conv_3"),conv_4:o(128,256,"mobilenetv1/conv_4"),conv_5:o(256,256,"mobilenetv1/conv_5"),conv_6:o(256,512,"mobilenetv1/conv_6"),conv_7:o(512,512,"mobilenetv1/conv_7"),conv_8:o(512,512,"mobilenetv1/conv_8"),conv_9:o(512,512,"mobilenetv1/conv_9"),conv_10:o(512,512,"mobilenetv1/conv_10"),conv_11:o(512,512,"mobilenetv1/conv_11"),conv_12:o(512,1024,"mobilenetv1/conv_12"),conv_13:o(1024,1024,"mobilenetv1/conv_13")}},extractPredictionLayerParams:function(){return{conv_0:r(1024,256,1,"prediction_layer/conv_0"),conv_1:r(256,512,3,"prediction_layer/conv_1"),conv_2:r(512,128,1,"prediction_layer/conv_2"),conv_3:r(128,256,3,"prediction_layer/conv_3"),conv_4:r(256,128,1,"prediction_layer/conv_4"),conv_5:r(128,256,3,"prediction_layer/conv_5"),conv_6:r(256,64,1,"prediction_layer/conv_6"),conv_7:r(64,128,3,"prediction_layer/conv_7"),box_predictor_0:{box_encoding_predictor:n(512,12,1,"prediction_layer/box_predictor_0/box_encoding_predictor"),class_predictor:n(512,9,1,"prediction_layer/box_predictor_0/class_predictor")},box_predictor_1:{box_encoding_predictor:n(1024,24,1,"prediction_layer/box_predictor_1/box_encoding_predictor"),class_predictor:n(1024,18,1,"prediction_layer/box_predictor_1/class_predictor")},box_predictor_2:{box_encoding_predictor:n(512,24,1,"prediction_layer/box_predictor_2/box_encoding_predictor"),class_predictor:n(512,18,1,"prediction_layer/box_predictor_2/class_predictor")},box_predictor_3:{box_encoding_predictor:n(256,24,1,"prediction_layer/box_predictor_3/box_encoding_predictor"),class_predictor:n(256,18,1,"prediction_layer/box_predictor_3/class_predictor")},box_predictor_4:{box_encoding_predictor:n(256,24,1,"prediction_layer/box_predictor_4/box_encoding_predictor"),class_predictor:n(256,18,1,"prediction_layer/box_predictor_4/class_predictor")},box_predictor_5:{box_encoding_predictor:n(128,24,1,"prediction_layer/box_predictor_5/box_encoding_predictor"),class_predictor:n(128,18,1,"prediction_layer/box_predictor_5/class_predictor")}}}}}function Le(t){var e=[],n=function(t,e){var n=Xt(t,e);function r(t,e,r){return{filters:n(t+"/Conv2d_"+e+"_pointwise/weights",4,r+"/filters"),batch_norm_offset:n(t+"/Conv2d_"+e+"_pointwise/convolution_bn_offset",1,r+"/batch_norm_offset")}}function o(t){var e="mobilenetv1/conv_"+t,o="MobilenetV1/Conv2d_"+t+"_depthwise",i=e+"/depthwise_conv",a=e+"/pointwise_conv";return{depthwise_conv:{filters:n(o+"/depthwise_weights",4,i+"/filters"),batch_norm_scale:n(o+"/BatchNorm/gamma",1,i+"/batch_norm_scale"),batch_norm_offset:n(o+"/BatchNorm/beta",1,i+"/batch_norm_offset"),batch_norm_mean:n(o+"/BatchNorm/moving_mean",1,i+"/batch_norm_mean"),batch_norm_variance:n(o+"/BatchNorm/moving_variance",1,i+"/batch_norm_variance")},pointwise_conv:r("MobilenetV1",t,a)}}function i(t,e){return{filters:n(t+"/weights",4,e+"/filters"),bias:n(t+"/biases",1,e+"/bias")}}function 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new Error("expected weightMap['Output/extra_dim'] to be a Tensor3D, instead have "+i);var a={mobilenetv1:r(),prediction_layer:o(),output_layer:{extra_dim:i}};return zt(t,e),{params:a,paramMappings:e}}function We(t,e,n){return k.L((function(){var r=k.i(t,e.filters,n,"same");return r=k.c(r,e.batch_norm_offset),k.g(r,0,6)}))}function je(t,e){return k.L((function(){var n=null,r=We(t,e.conv_0,[2,2]);if([e.conv_1,e.conv_2,e.conv_3,e.conv_4,e.conv_5,e.conv_6,e.conv_7,e.conv_8,e.conv_9,e.conv_10,e.conv_11,e.conv_12,e.conv_13].forEach((function(t,e){var o=e+1,i=function(t){return[2,4,6,12].some((function(e){return e===t}))?[2,2]:[1,1]}(o);r=We(r=function(t,e,n){return k.L((function(){var r=k.j(t,e.filters,n,"same");return r=k.e(r,e.batch_norm_mean,e.batch_norm_variance,e.batch_norm_offset,e.batch_norm_scale,.0010000000474974513),k.g(r,0,6)}))}(r,t.depthwise_conv,i),t.pointwise_conv,[1,1]),11===o&&(n=r)})),null===n)throw new Error("mobileNetV1 - output of conv layer 11 is 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r=t.shape[0],o=ze(k.x(k.M(n.extra_dim,[r,1,1]),[-1,4]),k.x(t,[-1,4]));o=k.x(o,[r,o.shape[0]/r,4]);var i=k.A(k.B(e,[0,0,1],[-1,-1,-1])),a=k.B(i,[0,0,0],[-1,-1,1]);return a=k.x(a,[r,a.shape[1]]),{boxes:k.O(o),scores:k.O(a)}}))}(o.boxPredictions,o.classPredictions,e.output_layer)}))},e.prototype.forward=function(t){return Object(D.b)(this,void 0,void 0,(function(){var e;return Object(D.d)(this,(function(n){switch(n.label){case 0:return e=this.forwardInput,[4,Dt(t)];case 1:return[2,e.apply(this,[n.sent()])]}}))}))},e.prototype.locateFaces=function(t,e){return void 0===e&&(e={}),Object(D.b)(this,void 0,void 0,(function(){var n,r,o,i,a,s,u,c,l,h,f,p,d,v,m,g,y,b,x,w;return Object(D.d)(this,(function(E){switch(E.label){case 0:return n=new Ge(e),r=n.maxResults,o=n.minConfidence,[4,Dt(t)];case 1:for(i=E.sent(),a=this.forwardInput(i),s=a.boxes,u=a.scores,c=s[0],l=u[0],h=1;h<s.length;h++)s[h].dispose(),u[h].dispose();return d=(p=Array).from,[4,l.data()];case 2:return f=d.apply(p,[E.sent()]),.5,v=function(t,e,n,r,o){var i=t.shape[0],a=Math.min(n,i),s=e.map((function(t,e){return{score:t,boxIndex:e}})).filter((function(t){return t.score>o})).sort((function(t,e){return e.score-t.score})),u=[];return s.forEach((function(e){if(!(u.length>=a)){for(var n=e.score,i=u.length-1;i>=0;--i){var s=Ue(t,e.boxIndex,u[i]);if(0!==s&&(e.score*=s<=r?1:0,e.score<=o))break}n===e.score&&u.push(e.boxIndex)}})),u}(c,f,r,.5,o),m=i.getReshapedInputDimensions(0),g=i.inputSize,y=g/m.width,b=g/m.height,x=c.arraySync(),w=v.map((function(t){var e=[Math.max(0,x[t][0]),Math.min(1,x[t][2])].map((function(t){return t*b})),n=e[0],r=e[1],o=[Math.max(0,x[t][1]),Math.min(1,x[t][3])].map((function(t){return t*y})),a=o[0],s=o[1];return new q(f[t],new J(a,n,s-a,r-n),{height:i.getInputHeight(0),width:i.getInputWidth(0)})})),c.dispose(),l.dispose(),[2,w]}}))}))},e.prototype.getDefaultModelName=function(){return"ssd_mobilenetv1_model"},e.prototype.extractParamsFromWeigthMap=function(t){return Le(t)},e.prototype.extractParams=function(t){return function(t){var e=[],n=Yt(t),r=n.extractWeights,o=n.getRemainingWeights,i=Be(r,e),a=i.extractMobilenetV1Params,s=i.extractPredictionLayerParams,u=a(),c=s(),l={extra_dim:k.J(r(20472),[1,5118,4])};if(e.push({paramPath:"output_layer/extra_dim"}),0!==o().length)throw new Error("weights remaing after extract: "+o().length);return{params:{mobilenetv1:u,prediction_layer:c,output_layer:l},paramMappings:e}}(t)},e}(Bt);!function(t){function e(){return null!==t&&t.apply(this,arguments)||this}Object(D.c)(e,t)}(He);var qe,Ke=[new z(.738768,.874946),new z(2.42204,2.65704),new z(4.30971,7.04493),new z(10.246,4.59428),new z(12.6868,11.8741)],Xe=[new z(1.603231,2.094468),new z(6.041143,7.080126),new z(2.882459,3.518061),new z(4.266906,5.178857),new z(9.041765,10.66308)],Ye=[117.001,114.697,97.404],$e=function(t){return"number"==typeof t};function Je(t){return k.L((function(){var e=k.t(t,k.y(.10000000149011612));return k.c(k.w(k.F(t,e)),e)}))}function Qe(t,e){return k.L((function(){var n=k.v(t,[[0,0],[1,1],[1,1],[0,0]]);return n=k.i(n,e.conv.filters,[1,1],"valid"),n=k.F(n,e.bn.sub),n=k.t(n,e.bn.truediv),Je(n=k.c(n,e.conv.bias))}))}function Ze(t,e){return k.L((function(){var n=k.v(t,[[0,0],[1,1],[1,1],[0,0]]);return n=k.z(n,e.depthwise_filter,e.pointwise_filter,[1,1],"valid"),Je(n=k.c(n,e.bias))}))}function tn(t,e){var n=Vt(t,e);var r=qt(t,e);return{extractConvParams:n,extractConvWithBatchNormParams:function(r,o,i){return{conv:n(r,o,3,i+"/conv"),bn:function(n,r){var o=k.H(t(n)),i=k.H(t(n));return e.push({paramPath:r+"/sub"},{paramPath:r+"/truediv"}),{sub:o,truediv:i}}(o,i+"/bn")}},extractSeparableConvParams:r}}function en(t,e){var n=Xt(t,e);function r(t){return{filters:n(t+"/filters",4),bias:n(t+"/bias",1)}}return{extractConvParams:r,extractConvWithBatchNormParams:function(t){return{conv:r(t+"/conv"),bn:function(t){return{sub:n(t+"/sub",1),truediv:n(t+"/truediv",1)}}(t+"/bn")}},extractSeparableConvParams:Kt(n)}}!function(t){t[t.XS=224]="XS",t[t.SM=320]="SM",t[t.MD=416]="MD",t[t.LG=608]="LG"}(qe||(qe={}));var nn=function(){function t(t){var e=void 0===t?{}:t,n=e.inputSize,r=e.scoreThreshold;if(this._name="TinyYolov2Options",this._inputSize=n||416,this._scoreThreshold=r||.5,"number"!=typeof this._inputSize||this._inputSize%32!=0)throw new Error(this._name+" - expected inputSize to be a number divisible by 32");if("number"!=typeof this._scoreThreshold||this._scoreThreshold<=0||this._scoreThreshold>=1)throw new Error(this._name+" - expected scoreThreshold to be a number between 0 and 1")}return Object.defineProperty(t.prototype,"inputSize",{get:function(){return this._inputSize},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"scoreThreshold",{get:function(){return this._scoreThreshold},enumerable:!0,configurable:!0}),t}(),rn=function(t){function e(e){var n=t.call(this,"TinyYolov2")||this;return function(t){if(!t)throw new Error("invalid config: "+t);if("boolean"!=typeof t.withSeparableConvs)throw new Error("config.withSeparableConvs has to be a boolean, have: "+t.withSeparableConvs);if(!$e(t.iouThreshold)||t.iouThreshold<0||t.iouThreshold>1)throw new Error("config.iouThreshold has to be a number between [0, 1], have: "+t.iouThreshold);if(!Array.isArray(t.classes)||!t.classes.length||!t.classes.every((function(t){return"string"==typeof t})))throw new Error("config.classes has to be an array class names: string[], have: "+JSON.stringify(t.classes));if(!Array.isArray(t.anchors)||!t.anchors.length||!t.anchors.map((function(t){return t||{}})).every((function(t){return $e(t.x)&&$e(t.y)})))throw new Error("config.anchors has to be 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n=Qe(n=k.s(n,[2,2],[2,2],"same"),e.conv1),n=Qe(n=k.s(n,[2,2],[2,2],"same"),e.conv2),n=Qe(n=k.s(n,[2,2],[2,2],"same"),e.conv3),n=Qe(n=k.s(n,[2,2],[2,2],"same"),e.conv4),n=Qe(n=k.s(n,[2,2],[2,2],"same"),e.conv5),n=Qe(n=k.s(n,[2,2],[1,1],"same"),e.conv6),Ut(n=Qe(n,e.conv7),e.conv8,"valid",!1)},e.prototype.runMobilenet=function(t,e){var n=this.config.isFirstLayerConv2d?Je(Ut(t,e.conv0,"valid",!1)):Ze(t,e.conv0);return n=Ze(n=k.s(n,[2,2],[2,2],"same"),e.conv1),n=Ze(n=k.s(n,[2,2],[2,2],"same"),e.conv2),n=Ze(n=k.s(n,[2,2],[2,2],"same"),e.conv3),n=Ze(n=k.s(n,[2,2],[2,2],"same"),e.conv4),n=Ze(n=k.s(n,[2,2],[2,2],"same"),e.conv5),n=k.s(n,[2,2],[1,1],"same"),n=e.conv6?Ze(n,e.conv6):n,Ut(n=e.conv7?Ze(n,e.conv7):n,e.conv8,"valid",!1)},e.prototype.forwardInput=function(t,e){var n=this,r=this.params;if(!r)throw new Error("TinyYolov2 - load model before inference");return k.L((function(){var o=t.toBatchTensor(e,!1).toFloat();return o=(o=n.config.meanRgb?Y(o,n.config.meanRgb):o).div(k.y(256)),n.config.withSeparableConvs?n.runMobilenet(o,r):n.runTinyYolov2(o,r)}))},e.prototype.forward=function(t,e){return Object(D.b)(this,void 0,void 0,(function(){var n;return Object(D.d)(this,(function(r){switch(r.label){case 0:return n=this.forwardInput,[4,Dt(t)];case 1:return[4,n.apply(this,[r.sent(),e])];case 2:return[2,r.sent()]}}))}))},e.prototype.detect=function(t,e){return void 0===e&&(e={}),Object(D.b)(this,void 0,void 0,(function(){var n,r,o,i,a,s,u,c,l,h,f,p,d,v=this;return Object(D.d)(this,(function(m){switch(m.label){case 0:return n=new nn(e),r=n.inputSize,o=n.scoreThreshold,[4,Dt(t)];case 1:return i=m.sent(),[4,this.forwardInput(i,r)];case 2:return a=m.sent(),s=k.L((function(){return k.O(a)[0].expandDims()})),u={width:i.getInputWidth(0),height:i.getInputHeight(0)},[4,this.extractBoxes(s,i.getReshapedInputDimensions(0),o)];case 3:return c=m.sent(),a.dispose(),s.dispose(),l=c.map((function(t){return t.box})),h=c.map((function(t){return t.score})),f=c.map((function(t){return t.classScore})),p=c.map((function(t){return v.config.classes[t.label]})),d=X(l.map((function(t){return t.rescale(r)})),h,this.config.iouThreshold,!0),[2,d.map((function(t){return new H(h[t],f[t],p[t],l[t],u)}))]}}))}))},e.prototype.getDefaultModelName=function(){return""},e.prototype.extractParamsFromWeigthMap=function(t){return function(t,e){var n,r=[],o=en(t,r),i=o.extractConvParams,a=o.extractConvWithBatchNormParams,s=o.extractSeparableConvParams;if(e.withSeparableConvs){var u=e.filterSizes&&e.filterSizes.length||9;n={conv0:e.isFirstLayerConv2d?i("conv0"):s("conv0"),conv1:s("conv1"),conv2:s("conv2"),conv3:s("conv3"),conv4:s("conv4"),conv5:s("conv5"),conv6:u>7?s("conv6"):void 0,conv7:u>8?s("conv7"):void 0,conv8:i("conv8")}}else n={conv0:a("conv0"),conv1:a("conv1"),conv2:a("conv2"),conv3:a("conv3"),conv4:a("conv4"),conv5:a("conv5"),conv6:a("conv6"),conv7:a("conv7"),conv8:i("conv8")};return zt(t,r),{params:n,paramMappings:r}}(t,this.config)},e.prototype.extractParams=function(t){var n=this.config.filterSizes||e.DEFAULT_FILTER_SIZES,r=n?n.length:void 0;if(7!==r&&8!==r&&9!==r)throw new Error("TinyYolov2 - expected 7 | 8 | 9 convolutional filters, but found "+r+" filterSizes in config");return function(t,e,n,r){var o,i=Yt(t),a=i.extractWeights,s=i.getRemainingWeights,u=[],c=tn(a,u),l=c.extractConvParams,h=c.extractConvWithBatchNormParams,f=c.extractSeparableConvParams;if(e.withSeparableConvs){var p=r[0],d=r[1],v=r[2],m=r[3],g=r[4],y=r[5],b=r[6],x=r[7],w=r[8];o={conv0:e.isFirstLayerConv2d?l(p,d,3,"conv0"):f(p,d,"conv0"),conv1:f(d,v,"conv1"),conv2:f(v,m,"conv2"),conv3:f(m,g,"conv3"),conv4:f(g,y,"conv4"),conv5:f(y,b,"conv5"),conv6:x?f(b,x,"conv6"):void 0,conv7:w?f(x,w,"conv7"):void 0,conv8:l(w||x||b,5*n,1,"conv8")}}else{p=r[0],d=r[1],v=r[2],m=r[3],g=r[4],y=r[5],b=r[6],x=r[7],w=r[8];o={conv0:h(p,d,"conv0"),conv1:h(d,v,"conv1"),conv2:h(v,m,"conv2"),conv3:h(m,g,"conv3"),conv4:h(g,y,"conv4"),conv5:h(y,b,"conv5"),conv6:h(b,x,"conv6"),conv7:h(x,w,"conv7"),conv8:l(w,5*n,1,"conv8")}}if(0!==s().length)throw new Error("weights remaing after extract: "+s().length);return{params:o,paramMappings:u}}(t,this.config,this.boxEncodingSize,n)},e.prototype.extractBoxes=function(t,e,n){return Object(D.b)(this,void 0,void 0,(function(){var r,o,i,a,s,u,c,l,h,f,p,d,v,m,g,y,b,x,w,E,C,_,I,R,S,A,T,O,N,F=this;return Object(D.d)(this,(function(P){switch(P.label){case 0:return r=e.width,o=e.height,i=Math.max(r,o),a=i/r,s=i/o,u=t.shape[1],c=this.config.anchors.length,l=k.L((function(){var e=t.reshape([u,u,c,F.boxEncodingSize]);return[e.slice([0,0,0,0],[u,u,c,4]),e.slice([0,0,0,4],[u,u,c,1]),F.withClassScores?k.D(e.slice([0,0,0,5],[u,u,c,F.config.classes.length]),3):k.y(0)]})),h=l[0],f=l[1],p=l[2],d=[],[4,f.array()];case 1:return v=P.sent(),[4,h.array()];case 2:m=P.sent(),g=0,P.label=3;case 3:if(!(g<u))return[3,12];y=0,P.label=4;case 4:if(!(y<u))return[3,11];b=0,P.label=5;case 5:return b<c?(x=$(v[g][y][b][0]),!n||x>n?(w=(y+$(m[g][y][b][0]))/u*a,E=(g+$(m[g][y][b][1]))/u*s,C=Math.exp(m[g][y][b][2])*this.config.anchors[b].x/u*a,_=Math.exp(m[g][y][b][3])*this.config.anchors[b].y/u*s,I=w-C/2,R=E-_/2,S={row:g,col:y,anchor:b},this.withClassScores?[4,this.extractPredictedClass(p,S)]:[3,7]):[3,9]):[3,10];case 6:return N=P.sent(),[3,8];case 7:N={classScore:1,label:0},P.label=8;case 8:T=(A=N).classScore,O=A.label,d.push(Object(D.a)({box:new G(I,R,I+C,R+_),score:x,classScore:x*T,label:O},S)),P.label=9;case 9:return b++,[3,5];case 10:return y++,[3,4];case 11:return g++,[3,3];case 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