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s=[a];this.scale&&(this.gamma=this.addWeight("gamma",s,null,this.gammaInitializer,this.gammaRegularizer,!0,this.gammaConstraint)),this.center&&(this.beta=this.addWeight("beta",s,null,this.betaInitializer,this.betaRegularizer,!0,this.betaConstraint)),this.movingMean=this.addWeight("moving_mean",s,null,this.movingMeanInitializer,null,!1),this.movingVariance=this.addWeight("moving_variance",s,null,this.movingVarianceInitializer,null,!1),this.built=!0},t.prototype.call=function(e,i){var r=this;return y.tidy(function(){var a=i.training==null?!1:i.training,s=xe(e),o=s.shape,l=o.length,u=gn(0,l),c=r.axis>=0?r.axis:r.axis+l;u.splice(c,1);var h=Qi(1,l);h[c]=o[c];var d=u.slice();d.sort();var p=!y.util.arraysEqual(d,gn(0,l).slice(0,l-1)),f=function(){if(p){var L=r.movingMean.read().reshape(h),x=r.movingVariance.read().reshape(h),C=r.center?r.beta.read().reshape(h):null,R=r.scale?r.gamma.read().reshape(h):null;return Ga(s,L,x,C,R,r.epsilon)}else return Ga(s,r.movingMean.read(),r.movingVariance.read(),r.beta==null?null:r.beta.read(),r.gamma==null?null:r.gamma.read(),r.epsilon)};if(!a)return f();var m=l4(s,r.gamma.read(),r.beta.read(),u,r.epsilon),g=m[0],v=m[1],b=m[2],w=function(L,x,C){y.tidy(function(){var R=1-C,D=L.read(),k=D.sub(x).mul(R);L.write(D.sub(k))})},S=function(){w(r.movingMean,v,r.momentum),w(r.movingVariance,b,r.momentum)};return S(),g})},t.prototype.getConfig=function(){var e={axis:this.axis,momentum:this.momentum,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:st(this.betaInitializer),gammaInitializer:st(this.gammaInitializer),movingMeanInitializer:st(this.movingMeanInitializer),movingVarianceInitializer:st(this.movingVarianceInitializer),betaRegularizer:Ke(this.betaRegularizer),gammaRegularizer:Ke(this.gammaRegularizer),betaConstraint:yt(this.betaConstraint),gammaConstraint:yt(this.gammaConstraint)},i=n.prototype.getConfig.call(this);return Object.assign(e,i),e},t.className="BatchNormalization",t}(De);y.serialization.registerClass(bb);var wb=function(n){Q(t,n);function t(e){var i=this;if(e==null&&(e={}),i=n.call(this,e)||this,i.axis=e.axis==null?-1:e.axis,typeof i.axis=="number"){if(!Number.isInteger(i.axis))throw new Error("Expected axis to be an integer, but received "+i.axis)}else if(Array.isArray(i.axis))for(var r=0,a=i.axis;r=i)throw new Error("Invalid axis: "+o)}if(this.axis.length!==fi(this.axis).length)throw new Error("Found duplicate axes in: "+this.axis);var l=this.axis.map(function(c){return e[c]}),u=!0;this.scale?this.gamma=this.addWeight("gamma",l,"float32",this.gammaInitializer,this.gammaRegularizer,u):this.gamma=null,this.center?this.beta=this.addWeight("beta",l,"float32",this.betaInitializer,this.betaRegularizer,u):this.beta=null,this.built=!0},t.prototype.call=function(e,i){var r=this,a=xe(e),s=a.shape,o=s.length;return y.tidy(function(){for(var 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a==="max"?s=y.maxPool(n,t,e,o):s=y.avgPool(n,t,e,o),r==="channelsFirst"&&(s=y.transpose(s,[0,3,1,2])),s})}function Lb(n,t,e,i,r,a){return y.tidy(function(){ct(r),Ev(a),nn(i),e==null&&(e=[1,1,1]),i==null&&(i="valid"),r==null&&(r=mn()),a==null&&(a="max"),n=zy(n,r);var s,o=i==="same"?"same":"valid";return a==="max"?s=y.maxPool3d(n,t,e,o):s=y.avgPool3d(n,t,e,o),r==="channelsFirst"&&(s=y.transpose(s,[0,4,1,2,3])),s})}var Ib=function(n){Q(t,n);function t(e){var i=this;if(e.poolSize==null&&(e.poolSize=2),i=n.call(this,e)||this,typeof e.poolSize=="number")i.poolSize=[e.poolSize];else if(Array.isArray(e.poolSize)&&e.poolSize.length===1&&typeof e.poolSize[0]=="number")i.poolSize=e.poolSize;else throw new M("poolSize for 1D convolutional layer must be a number or an Array of a single number, but received "+(""+JSON.stringify(e.poolSize)));if(Tt(i.poolSize,"poolSize"),e.strides==null)i.strides=i.poolSize;else if(typeof e.strides=="number")i.strides=[e.strides];else if(Array.isArray(e.strides)&&e.strides.length===1&&typeof e.strides[0]=="number")i.strides=e.strides;else throw new M("strides for 1D convolutional layer must be a number or an Array of a single number, but received "+(""+JSON.stringify(e.strides)));return Tt(i.strides,"strides"),i.padding=e.padding==null?"valid":e.padding,nn(i.padding),i.inputSpec=[new Nt({ndim:3})],i}return t.prototype.computeOutputShape=function(e){e=Ye(e);var i=bn(e[1],this.poolSize[0],this.padding,this.strides[0]);return[e[0],i,e[2]]},t.prototype.call=function(e,i){var r=this;return y.tidy(function(){r.invokeCallHook(e,i),e=Ua(xe(e),2);var a=r.poolingFunction(xe(e),[r.poolSize[0],1],[r.strides[0],1],r.padding,"channelsLast");return y.squeeze(a,[2])})},t.prototype.getConfig=function(){var e={poolSize:this.poolSize,padding:this.padding,strides:this.strides},i=n.prototype.getConfig.call(this);return Object.assign(e,i),e},t}(De),Ab=function(n){Q(t,n);function t(e){return n.call(this,e)||this}return t.prototype.poolingFunction=function(e,i,r,a,s){return ct(s),nn(a),Lo(e,i,r,a,s,"max")},t.className="MaxPooling1D",t}(Ib);y.serialization.registerClass(Ab);var Tb=function(n){Q(t,n);function t(e){return n.call(this,e)||this}return t.prototype.poolingFunction=function(e,i,r,a,s){return ct(s),nn(a),Lo(e,i,r,a,s,"avg")},t.className="AveragePooling1D",t}(Ib);y.serialization.registerClass(Tb);var Nb=function(n){Q(t,n);function t(e){var i=this;if(e.poolSize==null&&(e.poolSize=[2,2]),i=n.call(this,e)||this,i.poolSize=Array.isArray(e.poolSize)?e.poolSize:[e.poolSize,e.poolSize],e.strides==null)i.strides=i.poolSize;else if(Array.isArray(e.strides)){if(e.strides.length!==2)throw new M("If the strides property of a 2D pooling layer is an Array, it is expected to have a length of 2, but received length "+(e.strides.length+"."));i.strides=e.strides}else i.strides=[e.strides,e.strides];return Tt(i.poolSize,"poolSize"),Tt(i.strides,"strides"),i.padding=e.padding==null?"valid":e.padding,i.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,ct(i.dataFormat),nn(i.padding),i.inputSpec=[new Nt({ndim:4})],i}return t.prototype.computeOutputShape=function(e){e=Ye(e);var i=this.dataFormat==="channelsFirst"?e[2]:e[1],r=this.dataFormat==="channelsFirst"?e[3]:e[2];return i=bn(i,this.poolSize[0],this.padding,this.strides[0]),r=bn(r,this.poolSize[1],this.padding,this.strides[1]),this.dataFormat==="channelsFirst"?[e[0],e[1],i,r]:[e[0],i,r,e[3]]},t.prototype.call=function(e,i){var r=this;return y.tidy(function(){return r.invokeCallHook(e,i),r.poolingFunction(xe(e),r.poolSize,r.strides,r.padding,r.dataFormat)})},t.prototype.getConfig=function(){var e={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},i=n.prototype.getConfig.call(this);return Object.assign(e,i),e},t}(De),xb=function(n){Q(t,n);function t(e){return n.call(this,e)||this}return t.prototype.poolingFunction=function(e,i,r,a,s){return ct(s),nn(a),Lo(e,i,r,a,s,"max")},t.className="MaxPooling2D",t}(Nb);y.serialization.registerClass(xb);var Cb=function(n){Q(t,n);function t(e){return n.call(this,e)||this}return t.prototype.poolingFunction=function(e,i,r,a,s){return ct(s),nn(a),Lo(e,i,r,a,s,"avg")},t.className="AveragePooling2D",t}(Nb);y.serialization.registerClass(Cb);var Rb=function(n){Q(t,n);function t(e){var i=this;if(e.poolSize==null&&(e.poolSize=[2,2,2]),i=n.call(this,e)||this,i.poolSize=Array.isArray(e.poolSize)?e.poolSize:[e.poolSize,e.poolSize,e.poolSize],e.strides==null)i.strides=i.poolSize;else if(Array.isArray(e.strides)){if(e.strides.length!==3)throw new M("If the strides property of a 3D pooling layer is an Array, it is expected to have a length of 3, but received length "+(e.strides.length+"."));i.strides=e.strides}else i.strides=[e.strides,e.strides,e.strides];return Tt(i.poolSize,"poolSize"),Tt(i.strides,"strides"),i.padding=e.padding==null?"valid":e.padding,i.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,ct(i.dataFormat),nn(i.padding),i.inputSpec=[new Nt({ndim:5})],i}return t.prototype.computeOutputShape=function(e){e=Ye(e);var i=this.dataFormat==="channelsFirst"?e[2]:e[1],r=this.dataFormat==="channelsFirst"?e[3]:e[2],a=this.dataFormat==="channelsFirst"?e[4]:e[3];return i=bn(i,this.poolSize[0],this.padding,this.strides[0]),r=bn(r,this.poolSize[1],this.padding,this.strides[1]),a=bn(a,this.poolSize[2],this.padding,this.strides[2]),this.dataFormat==="channelsFirst"?[e[0],e[1],i,r,a]:[e[0],i,r,a,e[4]]},t.prototype.call=function(e,i){var r=this;return y.tidy(function(){return r.invokeCallHook(e,i),r.poolingFunction(xe(e),r.poolSize,r.strides,r.padding,r.dataFormat)})},t.prototype.getConfig=function(){var e={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},i=n.prototype.getConfig.call(this);return Object.assign(e,i),e},t}(De),Ob=function(n){Q(t,n);function t(e){return n.call(this,e)||this}return t.prototype.poolingFunction=function(e,i,r,a,s){return ct(s),nn(a),Lb(e,i,r,a,s,"max")},t.className="MaxPooling3D",t}(Rb);y.serialization.registerClass(Ob);var Eb=function(n){Q(t,n);function t(e){return n.call(this,e)||this}return t.prototype.poolingFunction=function(e,i,r,a,s){return ct(s),nn(a),Lb(e,i,r,a,s,"avg")},t.className="AveragePooling3D",t}(Rb);y.serialization.registerClass(Eb);var Db=function(n){Q(t,n);function t(e){var i=n.call(this,e)||this;return i.inputSpec=[new Nt({ndim:3})],i}return t.prototype.computeOutputShape=function(e){return[e[0],e[2]]},t.prototype.call=function(e,i){throw new Te},t}(De),kb=function(n){Q(t,n);function t(e){return n.call(this,e||{})||this}return t.prototype.call=function(e,i){return y.tidy(function(){var r=xe(e);return y.mean(r,1)})},t.className="GlobalAveragePooling1D",t}(Db);y.serialization.registerClass(kb);var Fb=function(n){Q(t,n);function t(e){return n.call(this,e||{})||this}return t.prototype.call=function(e,i){return y.tidy(function(){var r=xe(e);return y.max(r,1)})},t.className="GlobalMaxPooling1D",t}(Db);y.serialization.registerClass(Fb);var Wb=function(n){Q(t,n);function t(e){var i=n.call(this,e)||this;return i.dataFormat=e.dataFormat==null?"channelsLast":e.dataFormat,ct(i.dataFormat),i.inputSpec=[new Nt({ndim:4})],i}return t.prototype.computeOutputShape=function(e){return e=e,this.dataFormat==="channelsLast"?[e[0],e[3]]:[e[0],e[1]]},t.prototype.call=function(e,i){throw new Te},t.prototype.getConfig=function(){var e={dataFormat:this.dataFormat},i=n.prototype.getConfig.call(this);return Object.assign(e,i),e},t}(De),Ub=function(n){Q(t,n);function t(){return n!==null&&n.apply(this,arguments)||this}return t.prototype.call=function(e,i){var r=this;return y.tidy(function(){var a=xe(e);return r.dataFormat==="channelsLast"?y.mean(a,[1,2]):y.mean(a,[2,3])})},t.className="GlobalAveragePooling2D",t}(Wb);y.serialization.registerClass(Ub);var Bb=function(n){Q(t,n);function t(){return n!==null&&n.apply(this,arguments)||this}return t.prototype.call=function(e,i){var r=this;return y.tidy(function(){var a=xe(e);return r.dataFormat==="channelsLast"?y.max(a,[1,2]):y.max(a,[2,3])})},t.className="GlobalMaxPooling2D",t}(Wb);y.serialization.registerClass(Bb);var zb=function(n){Q(t,n);function t(e){var i=n.call(this,e)||this;return i.layer=e.layer,i}return t.prototype.build=function(e){this.built=!0},Object.defineProperty(t.prototype,"trainable",{get:function(){return this.layer!=null?this.layer.trainable:!1},set:function(e){this.layer!=null&&(this.layer.trainable=e)},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"trainableWeights",{get:function(){return this.layer.trainableWeights},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"nonTrainableWeights",{get:function(){return this.layer.nonTrainableWeights},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"updates",{get:function(){return this.layer._updates},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"losses",{get:function(){return this.layer.losses},enumerable:!0,configurable:!0}),t.prototype.getWeights=function(){return this.layer.getWeights()},t.prototype.setWeights=function(e){this.layer.setWeights(e)},t.prototype.getConfig=function(){var e={layer:{className:this.layer.getClassName(),config:this.layer.getConfig()}},i=n.prototype.getConfig.call(this);return Object.assign(e,i),e},t.prototype.setFastWeightInitDuringBuild=function(e){n.prototype.setFastWeightInitDuringBuild.call(this,e),this.layer!=null&&this.layer.setFastWeightInitDuringBuild(e)},t.fromConfig=function(e,i,r){r===void 0&&(r={});var a=i.layer,s=yn(a,r);delete i.layer;var o={layer:s};return Object.assign(o,i),new e(o)},t}(De),Pb=function(n){Q(t,n);function t(e){var i=n.call(this,e)||this;return i.supportsMasking=!0,i}return t.prototype.build=function(e){if(e=Ye(e),e.length<3)throw new M("TimeDistributed layer expects an input shape >= 3D, but received "+("input shape "+JSON.stringify(e)));this.inputSpec=[{shape:e}];var i=[e[0]].concat(e.slice(2));this.layer.built||(this.layer.build(i),this.layer.built=!0),n.prototype.build.call(this,e)},t.prototype.computeOutputShape=function(e){e=Ye(e);var i=[e[0]].concat(e.slice(2)),r=this.layer.computeOutputShape(i),a=e[1];return[r[0],a].concat(r.slice(1))},t.prototype.call=function(e,i){var r=this;return y.tidy(function(){e=xe(e);var a=function(l,u){var c=xe(r.layer.call(l,i));return[c,[]]},s=$y(a,e,[],!1,null,null,!1,!0),o=s[1];return o})},t.className="TimeDistributed",t}(zb);y.serialization.registerClass(Pb);function c4(n){Mr(tk,"BidirectionalMergeMode",n)}var h4="concat",_b=function(n){Q(t,n);function t(e){var i=n.call(this,e)||this,r=e.layer.getConfig(),a={};a.className=e.layer.getClassName(),a.config=r,i.forwardLayer=yn(a),r.goBackwards=!(r.goBackwards===!0);var s={};if(s.className=e.layer.getClassName(),s.config=r,i.backwardLayer=yn(s),i.forwardLayer.name="forward_"+i.forwardLayer.name,i.backwardLayer.name="backward_"+i.backwardLayer.name,i.mergeMode=e.mergeMode===void 0?h4:e.mergeMode,c4(i.mergeMode),e.weights)throw new Te("weights support is not implemented for Bidirectional layer yet.");return i._stateful=e.layer.stateful,i.returnSequences=e.layer.returnSequences,i.returnState=e.layer.returnState,i.supportsMasking=!0,i._trainable=!0,i.inputSpec=e.layer.inputSpec,i.numConstants=null,i}return Object.defineProperty(t.prototype,"trainable",{get:function(){return this._trainable},set:function(e){this._trainable=e,this.forwardLayer!=null&&(this.forwardLayer.trainable=e),this.backwardLayer!=null&&(this.backwardLayer.trainable=e)},enumerable:!0,configurable:!0}),t.prototype.getWeights=function(){return this.forwardLayer.getWeights().concat(this.backwardLayer.getWeights())},t.prototype.setWeights=function(e){var i=e.length,r=Math.floor(i/2);this.forwardLayer.setWeights(e.slice(0,r)),this.backwardLayer.setWeights(e.slice(r))},t.prototype.computeOutputShape=function(e){var i=this.forwardLayer.computeOutputShape(e);Array.isArray(i)&&Array.isArray(i[0])||(i=[i]),i=i;var r,a,s;return this.returnState&&(s=i.slice(1)),r=i[0],r=r,this.mergeMode==="concat"?(r[r.length-1]*=2,a=[r]):this.mergeMode==null?a=[r,r.slice()]:a=[r],this.returnState?this.mergeMode==null?a.concat(s).concat(s.slice()):[r].concat(s).concat(s.slice()):Mt(a)},t.prototype.apply=function(e,i){var r=i==null?null:i.initialState,a=i==null?null:i.constants;i==null&&(i={});var s=jy(e,r,a,this.numConstants);if(e=s.inputs,r=s.initialState,a=s.constants,Array.isArray(e)&&(r=e.slice(1),e=e[0]),(r==null||r.length===0)&&a==null)return n.prototype.apply.call(this,e,i);var o=[],l=[];if(r!=null){var u=r.length;if(u%2>0)throw new M("When passing `initialState` to a Bidrectional RNN, the state should be an Array containing the states of the underlying RNNs.");i.initialState=r,o.push.apply(o,r);var c=r.map(function(w){return new Nt({shape:w.shape})});this.forwardLayer.stateSpec=c.slice(0,u/2),this.backwardLayer.stateSpec=c.slice(u/2),l.push.apply(l,c)}if(a!=null)throw new Te("Support for constants in Bidirectional layers is not implemented yet.");for(var h=o[0]instanceof vn,d=0,p=o;d