Sandbox::https://github.com/jcandan/function-plot/blob/master/dist/function-plot.js

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intervalArithmeticEval.policies.disableRounding();function interval1d(chart,meta,range,nSamples){var xCoords=utils.space(chart,range,nSamples);var xScale=chart.meta.xScale;var yScale=chart.meta.yScale;var yMin=yScale.domain()[0];var yMax=yScale.domain()[1];var samples=[];var i;for(i=0;i<xCoords.length-1;i+=1){var x={lo:xCoords[i],hi:xCoords[i+1]};var y=evaluate(meta,"fn",{x:x});if(!Interval.isEmpty(y)&&!Interval.isWhole(y)){samples.push([x,y])}if(Interval.isWhole(y)){samples.push(null)}}for(i=1;i<samples.length-1;i+=1){if(!samples[i]){var prev=samples[i-1];var next=samples[i+1];if(prev&&next&&!Interval.intervalsOverlap(prev[1],next[1])){if(prev[1].lo>next[1].hi){prev[1].hi=Math.max(yMax,prev[1].hi);next[1].lo=Math.min(yMin,next[1].lo)}if(prev[1].hi<next[1].lo){prev[1].lo=Math.min(yMin,prev[1].lo);next[1].hi=Math.max(yMax,next[1].hi)}}}}samples.scaledDx=xScale(xCoords[1])-xScale(xCoords[0]);return[samples]}var rectEps;function smallRect(x,y){return Interval.width(x)<rectEps}function quadTree(x,y,meta){var sample=evaluate(meta,"fn",{x:x,y:y});var fulfills=Interval.zeroIn(sample);if(!fulfills){return this}if(smallRect(x,y)){this.push([x,y]);return this}var midX=x.lo+(x.hi-x.lo)/2;var midY=y.lo+(y.hi-y.lo)/2;var east={lo:midX,hi:x.hi};var west={lo:x.lo,hi:midX};var north={lo:midY,hi:y.hi};var south={lo:y.lo,hi:midY};quadTree.call(this,east,north,meta);quadTree.call(this,east,south,meta);quadTree.call(this,west,north,meta);quadTree.call(this,west,south,meta)}function interval2d(chart,meta){var xScale=chart.meta.xScale;var xDomain=chart.meta.xScale.domain();var yDomain=chart.meta.yScale.domain();var x={lo:xDomain[0],hi:xDomain[1]};var y={lo:yDomain[0],hi:yDomain[1]};var samples=[];rectEps=xScale.invert(1)-xScale.invert(0);quadTree.call(samples,x,y,meta);samples.scaledDx=1;return[samples]}var sampler=function(chart,d,range,nSamples){var fnTypes={implicit:interval2d,linear:interval1d};if(!fnTypes.hasOwnProperty(d.fnType)){throw Error(d.fnType+" is not supported in the `interval` sampler")}return fnTypes[d.fnType].apply(null,arguments)};module.exports=sampler},{"../helpers/eval":11,"../utils":22,"interval-arithmetic-eval":31}],21:[function(require,module,exports){"use strict";var d3=window.d3;var extend=require("extend");var utils=require("./utils");var clamp=require("clamp");var globals=require("./globals");var builtInEvaluator=require("./helpers/eval").builtIn;module.exports=function(config){config=extend({xLine:false,yLine:false,renderer:function(x,y){return"("+x.toFixed(3)+", "+y.toFixed(3)+")"},owner:null},config);var MARGIN=20;var line=d3.svg.line().x(function(d){return d[0]}).y(function(d){return d[1]});function lineGenerator(el,data){return el.append("path").datum(data).attr("stroke","grey").attr("stroke-dasharray","5,5").attr("opacity",.5).attr("d",line)}function tip(selection){var innerSelection=selection.selectAll("g.tip").data(function(d){return[d]});innerSelection.enter().append("g").attr("class","tip").attr("clip-path","url(#function-plot-clip-"+config.owner.id+")");tip.el=innerSelection.selectAll("g.inner-tip").data(function(d){return[d]});tip.el.enter().append("g").attr("class","inner-tip").style("display","none").each(function(){var el=d3.select(this);lineGenerator(el,[[0,-config.owner.meta.height-MARGIN],[0,config.owner.meta.height+MARGIN]]).attr("class","tip-x-line").style("display","none");lineGenerator(el,[[-config.owner.meta.width-MARGIN,0],[config.owner.meta.width+MARGIN,0]]).attr("class","tip-y-line").style("display","none");el.append("circle").attr("r",3);el.append("text").attr("transform","translate(5,-5)")});selection.selectAll(".tip-x-line").style("display",config.xLine?null:"none");selection.selectAll(".tip-y-line").style("display",config.yLine?null:"none")}tip.move=function(coordinates){var i;var minDist=Infinity;var closestIndex=-1;var x,y;var el=tip.el;var inf=1e8;var meta=config.owner.meta;var data=el.data()[0].data;var xScale=meta.xScale;var yScale=meta.yScale;var width=meta.width;var height=meta.height;var x0=coordinates.x;var y0=coordinates.y;for(i=0;i<data.length;i+=1){if(data[i].skipTip||data[i].fnType!=="linear"){continue}var range=data[i].range||[-inf,inf];if(x0>range[0]-globals.TIP_X_EPS&&x0<range[1]+globals.TIP_X_EPS){try{var candidateY=builtInEvaluator(data[i],"fn",{x:x0})}catch(e){}if(utils.isValidNumber(candidateY)){var tDist=Math.abs(candidateY-y0);if(tDist<minDist){minDist=tDist;closestIndex=i}}}}if(closestIndex!==-1){x=x0;if(data[closestIndex].range){x=Math.max(x,data[closestIndex].range[0]);x=Math.min(x,data[closestIndex].range[1])}y=builtInEvaluator(data[closestIndex],"fn",{x:x});tip.show();config.owner.emit("tip:update",x,y,closestIndex);var clampX=clamp(x,xScale.invert(-MARGIN),xScale.invert(width+MARGIN));var clampY=clamp(y,yScale.invert(height+MARGIN),yScale.invert(-MARGIN));var color=utils.color(data[closestIndex],closestIndex);el.attr("transform","translate("+xScale(clampX)+","+yScale(clampY)+")");el.select("circle").attr("fill",color);el.select("text").attr("fill",color).text(config.renderer(x,y))}else{tip.hide()}};tip.show=function(){this.el.style("display",null)};tip.hide=function(){this.el.style("display","none")};Object.keys(config).forEach(function(option){utils.getterSetter.call(tip,config,option)});return tip}},{"./globals":4,"./helpers/eval":11,"./utils":22,clamp:26,extend:28}],22:[function(require,module,exports){"use strict";var linspace=require("linspace");var logspace=require("logspace");var log10=require("log10");var globals=require("./globals");module.exports={isValidNumber:function(v){return typeof v==="number"&&!isNaN(v)},space:function(chart,range,n){var lo=range[0];var hi=range[1];if(chart.options.xAxis.type==="log"){return logspace(log10(lo),log10(hi),n)}return linspace(lo,hi,n)},getterSetter:function(config,option){var me=this;this[option]=function(value){if(!arguments.length){return config[option]}config[option]=value;return me}},sgn:function(v){if(v<0){return-1}if(v>0){return 1}return 0},color:function(data,index){return data.color||globals.COLORS[index]}}},{"./globals":4,linspace:51,log10:52,logspace:53}],23:[function(require,module,exports){"use strict";module.exports=require("./lib/eval")},{"./lib/eval":25}],24:[function(require,module,exports){"use strict";module.exports=function(){var math=Object.create(Math);math.factory=function(a){if(typeof a!=="number"){throw new TypeError("built-in math factory only accepts numbers")}return Number(a)};math.add=function(a,b){return a+b};math.sub=function(a,b){return a-b};math.mul=function(a,b){return a*b};math.div=function(a,b){return a/b};math.mod=function(a,b){return a%b};math.factorial=function(a){var res=1;for(var i=2;i<=a;i+=1){res*=i}return res};math.nthRoot=function(a,root){var inv=root<0;if(inv){root=-root}if(root===0){throw new Error("Root must be non-zero")}if(a<0&&Math.abs(root)%2!==1){throw new Error("Root must be odd when a is negative.")}if(a===0){return 0}if(!isFinite(a)){return inv?0:a}var x=Math.pow(Math.abs(a),1/root);x=a<0?-x:x;return inv?1/x:x};math.logicalOR=function(a,b){return a||b};math.logicalXOR=function(a,b){return a!=b};math.logicalAND=function(a,b){return a&&b};math.bitwiseOR=function(a,b){return a|b};math.bitwiseXOR=function(a,b){return a^b};math.bitwiseAND=function(a,b){return a&b};math.lessThan=function(a,b){return a<b};math.lessEqualThan=function(a,b){return a<=b};math.greaterThan=function(a,b){return a>b};math.greaterEqualThan=function(a,b){return a>=b};math.equal=function(a,b){return a==b};math.strictlyEqual=function(a,b){return a===b};math.notEqual=function(a,b){return a!=b};math.strictlyNotEqual=function(a,b){return a!==b};math.shiftRight=function(a,b){return a>>b};math.shiftLeft=function(a,b){return a<<b};math.unsignedRightShift=function(a,b){return a>>>b};math.negative=function(a){return-a};math.positive=function(a){return a};return math}},{}],25:[function(require,module,exports){"use strict";var CodeGenerator=require("math-codegen");var math=require("./adapter")();function processScope(scope){Object.keys(scope).forEach(function(k){var value=scope[k];scope[k]=math.factory(value)})}module.exports=function(expression){return(new CodeGenerator).setDefs({$$processScope:processScope}).parse(expression).compile(math)};module.exports.math=math},{"./adapter":24,"math-codegen":54}],26:[function(require,module,exports){module.exports=clamp;function clamp(value,min,max){return min<max?value<min?min:value>max?max:value:value<max?max:value>min?min:value}},{}],27:[function(require,module,exports){(function(Buffer){var hasTypedArrays=false;if(typeof Float64Array!=="undefined"){var DOUBLE_VIEW=new Float64Array(1),UINT_VIEW=new Uint32Array(DOUBLE_VIEW.buffer);DOUBLE_VIEW[0]=1;hasTypedArrays=true;if(UINT_VIEW[1]===1072693248){module.exports=function doubleBitsLE(n){DOUBLE_VIEW[0]=n;return[UINT_VIEW[0],UINT_VIEW[1]]};function toDoubleLE(lo,hi){UINT_VIEW[0]=lo;UINT_VIEW[1]=hi;return DOUBLE_VIEW[0]}module.exports.pack=toDoubleLE;function lowUintLE(n){DOUBLE_VIEW[0]=n;return UINT_VIEW[0]}module.exports.lo=lowUintLE;function highUintLE(n){DOUBLE_VIEW[0]=n;return UINT_VIEW[1]}module.exports.hi=highUintLE}else if(UINT_VIEW[0]===1072693248){module.exports=function doubleBitsBE(n){DOUBLE_VIEW[0]=n;return[UINT_VIEW[1],UINT_VIEW[0]]};function toDoubleBE(lo,hi){UINT_VIEW[1]=lo;UINT_VIEW[0]=hi;return DOUBLE_VIEW[0]}module.exports.pack=toDoubleBE;function lowUintBE(n){DOUBLE_VIEW[0]=n;return UINT_VIEW[1]}module.exports.lo=lowUintBE;function highUintBE(n){DOUBLE_VIEW[0]=n;return UINT_VIEW[0]}module.exports.hi=highUintBE}else{hasTypedArrays=false}}if(!hasTypedArrays){var buffer=new Buffer(8);module.exports=function doubleBits(n){buffer.writeDoubleLE(n,0,true);return[buffer.readUInt32LE(0,true),buffer.readUInt32LE(4,true)]};function toDouble(lo,hi){buffer.writeUInt32LE(lo,0,true);buffer.writeUInt32LE(hi,4,true);return buffer.readDoubleLE(0,true)}module.exports.pack=toDouble;function lowUint(n){buffer.writeDoubleLE(n,0,true);return buffer.readUInt32LE(0,true)}module.exports.lo=lowUint;function highUint(n){buffer.writeDoubleLE(n,0,true);return buffer.readUInt32LE(4,true)}module.exports.hi=highUint}module.exports.sign=function(n){return module.exports.hi(n)>>>31};module.exports.exponent=function(n){var b=module.exports.hi(n);return(b<<1>>>21)-1023};module.exports.fraction=function(n){var lo=module.exports.lo(n);var hi=module.exports.hi(n);var b=hi&(1<<20)-1;if(hi&2146435072){b+=1<<20}return[lo,b]};module.exports.denormalized=function(n){var hi=module.exports.hi(n);return!(hi&2146435072)}}).call(this,require("buffer").Buffer)},{buffer:87}],28:[function(require,module,exports){"use strict";var hasOwn=Object.prototype.hasOwnProperty;var toStr=Object.prototype.toString;var isArray=function isArray(arr){if(typeof Array.isArray==="function"){return Array.isArray(arr)}return toStr.call(arr)==="[object Array]"};var isPlainObject=function isPlainObject(obj){if(!obj||toStr.call(obj)!=="[object Object]"){return false}var hasOwnConstructor=hasOwn.call(obj,"constructor");var hasIsPrototypeOf=obj.constructor&&obj.constructor.prototype&&hasOwn.call(obj.constructor.prototype,"isPrototypeOf");if(obj.constructor&&!hasOwnConstructor&&!hasIsPrototypeOf){return false}var key;for(key in obj){}return typeof key==="undefined"||hasOwn.call(obj,key)};module.exports=function extend(){var options,name,src,copy,copyIsArray,clone,target=arguments[0],i=1,length=arguments.length,deep=false;if(typeof target==="boolean"){deep=target;target=arguments[1]||{};i=2}else if(typeof target!=="object"&&typeof target!=="function"||target==null){target={}}for(;i<length;++i){options=arguments[i];if(options!=null){for(name in options){src=target[name];copy=options[name];if(target!==copy){if(deep&&copy&&(isPlainObject(copy)||(copyIsArray=isArray(copy)))){if(copyIsArray){copyIsArray=false;clone=src&&isArray(src)?src:[]}else{clone=src&&isPlainObject(src)?src:{}}target[name]=extend(deep,clone,copy)}else if(typeof copy!=="undefined"){target[name]=copy}}}}}return target}},{}],29:[function(require,module,exports){module.exports=function(){var from=0,to=0,every=1,output=[];switch(arguments.length){case 1:to=arguments[0];break;case 3:every=arguments[2];case 2:from=arguments[0];to=arguments[1];break}for(i=from;i<to;i+=every){output.push(i)}return output}},{}],30:[function(require,module,exports){"use strict";module.exports=integrate;function adsimp(f,a,b,fa,fm,fb,V0,tol,maxdepth,depth,state){if(state.nanEncountered){return NaN}var h,f1,f2,sl,sr,s2,m,V1,V2,err;h=b-a;f1=f(a+h*.25);f2=f(b-h*.25);if(isNaN(f1)){state.nanEncountered=true;return}if(isNaN(f2)){state.nanEncountered=true;return}sl=h*(fa+4*f1+fm)/12;sr=h*(fm+4*f2+fb)/12;s2=sl+sr;err=(s2-V0)/15;if(depth>maxdepth){state.maxDepthCount++;return s2+err}else if(Math.abs(err)<tol){return s2+err}else{m=a+h*.5;V1=adsimp(f,a,m,fa,f1,fm,sl,tol*.5,maxdepth,depth+1,state);if(isNaN(V1)){state.nanEncountered=true;return NaN}V2=adsimp(f,m,b,fm,f2,fb,sr,tol*.5,maxdepth,depth+1,state);if(isNaN(V2)){state.nanEncountered=true;return NaN}return V1+V2}}function integrate(f,a,b,tol,maxdepth){var state={maxDepthCount:0,nanEncountered:false};if(tol===undefined){tol=1e-8}if(maxdepth===undefined){maxdepth=20}var fa=f(a);var fm=f(.5*(a+b));var fb=f(b);var V0=(fa+4*fm+fb)*(b-a)/6;var result=adsimp(f,a,b,fa,fm,fb,V0,tol,maxdepth,1,state);if(state.maxDepthCount>0&&console&&console.warn){console.warn("integrate-adaptive-simpson: Warning: maximum recursion depth ("+maxdepth+") reached "+state.maxDepthCount+" times")}if(state.nanEncountered&&console&&console.warn){console.warn("integrate-adaptive-simpson: Warning: NaN encountered. Halting early.")}return result}},{}],31:[function(require,module,exports){"use strict";module.exports=require("./lib/eval")},{"./lib/eval":33}],32:[function(require,module,exports){"use strict";module.exports=function(ns){ns.mod=ns.fmod;ns.lessThan=ns.lt;ns.lessEqualThan=ns.leq;ns.greaterThan=ns.gt;ns.greaterEqualThan=ns.geq;ns.strictlyEqual=ns.equal;ns.strictlyNotEqual=ns.notEqual;ns.logicalAND=function(a,b){return a&&b};ns.logicalXOR=function(a,b){return a^b};ns.logicalOR=function(a,b){return a||b}}},{}],33:[function(require,module,exports){"use strict";var CodeGenerator=require("math-codegen");var Interval=require("interval-arithmetic");require("./adapter")(Interval);function processScope(scope){Object.keys(scope).forEach(function(k){var value=scope[k];if(typeof value==="number"||Array.isArray(value)){scope[k]=Interval.factory(value)}else if(typeof value==="object"&&"lo"in value&&"hi"in value){scope[k]=Interval.factory(value.lo,value.hi)}})}module.exports=function(expression){return(new CodeGenerator).setDefs({$$processScope:processScope}).parse(expression).compile(Interval)};module.exports.policies=require("./policies")(Interval);module.exports.Interval=Interval},{"./adapter":32,"./policies":34,"interval-arithmetic":35,"math-codegen":54}],34:[function(require,module,exports){"use strict";module.exports=function(Interval){return{disableRounding:function(){Interval.rmath.disable()},enableRounding:function(){Interval.rmath.enable()}}}},{}],35:[function(require,module,exports){"use strict";var extend=require("xtend/mutable");require("./lib/polyfill");module.exports=require("./lib/interval");module.exports.rmath=require("./lib/round-math");module.exports.round=require("./lib/round-math");extend(module.exports,require("./lib/constants"),require("./lib/operations/relational"),require("./lib/operations/arithmetic"),require("./lib/operations/algebra"),require("./lib/operations/trigonometric"),require("./lib/operations/misc"),require("./lib/operations/utils"))},{"./lib/constants":36,"./lib/interval":37,"./lib/operations/algebra":38,"./lib/operations/arithmetic":39,"./lib/operations/misc":41,"./lib/operations/relational":42,"./lib/operations/trigonometric":43,"./lib/operations/utils":44,"./lib/polyfill":45,"./lib/round-math":46,"xtend/mutable":85}],36:[function(require,module,exports){"use strict";var Interval=require("./interval");var mutate=require("xtend/mutable");var piLow=(3373259426+273688/(1<<21))/(1<<30);var piHigh=(3373259426+273689/(1<<21))/(1<<30);var constants={};mutate(constants,{PI_LOW:piLow,PI_HIGH:piHigh,PI_HALF_LOW:piLow/2,PI_HALF_HIGH:piHigh/2,PI_TWICE_LOW:piLow*2,PI_TWICE_HIGH:piHigh*2});function getter(property,fn){Object.defineProperty(constants,property,{get:function(){return fn()},enumerable:true})}getter("PI",function(){return Interval(piLow,piHigh)});getter("PI_HALF",function(){return Interval(constants.PI_HALF_LOW,constants.PI_HALF_HIGH)});getter("PI_TWICE",function(){return Interval(constants.PI_TWICE_LOW,constants.PI_TWICE_HIGH)});getter("ZERO",function(){return Interval(0)});getter("ONE",function(){return Interval(1)});getter("WHOLE",function(){return Interval().setWhole()});getter("EMPTY",function(){return Interval().setEmpty()});module.exports=constants},{"./interval":37,"xtend/mutable":85}],37:[function(require,module,exports){"use strict";var utils=require("./operations/utils");var round=require("./round-math");module.exports=Interval;function Interval(lo,hi){if(!(this instanceof Interval)){return new Interval(lo,hi)}if(typeof lo!=="undefined"&&typeof hi!=="undefined"){if(utils.isInterval(lo)){if(!utils.isSingleton(lo)){throw new TypeError("Interval: interval `lo` must be a singleton")}lo=lo.lo}if(utils.isInterval(hi)){if(!utils.isSingleton(hi)){throw TypeError("Interval: interval `hi` must be a singleton")}hi=hi.hi}}else if(typeof lo!=="undefined"){if(Array.isArray(lo)){return Interval(lo[0],lo[1])}return Interval(lo,lo)}else{lo=hi=0}this.lo=undefined;this.hi=undefined;this.assign(lo,hi)}Interval.factory=Interval;Interval.prototype.singleton=function(v){return this.set(v,v)};Interval.prototype.bounded=function(lo,hi){return this.set(round.prev(lo),round.next(hi))};Interval.prototype.boundedSingleton=function(v){return this.bounded(v,v)};Interval.prototype.set=function(lo,hi){this.lo=lo;this.hi=hi;return this};Interval.prototype.assign=function(lo,hi){if(typeof lo!=="number"||typeof hi!=="number"){throw TypeError("Interval#assign: arguments must be numbers")}if(isNaN(lo)||isNaN(hi)||lo>hi){return this.setEmpty()}return this.set(lo,hi)};Interval.prototype.setEmpty=function(){return this.set(Number.POSITIVE_INFINITY,Number.NEGATIVE_INFINITY)};Interval.prototype.setWhole=function(){return this.set(Number.NEGATIVE_INFINITY,Number.POSITIVE_INFINITY)};Interval.prototype.open=function(lo,hi){return this.assign(round.safeNext(lo),round.safePrev(hi))};Interval.prototype.halfOpenLeft=function(lo,hi){return this.assign(round.safeNext(lo),hi)};Interval.prototype.halfOpenRight=function(lo,hi){return this.assign(lo,round.safePrev(hi))};Interval.prototype.toArray=function(){return[this.lo,this.hi]};Interval.prototype.clone=function(){return Interval().set(this.lo,this.hi)}},{"./operations/utils":44,"./round-math":46}],38:[function(require,module,exports){"use strict";var isSafeInteger=require("is-safe-integer");var Interval=require("../interval");var rmath=require("../round-math");var utils=require("./utils");var arithmetic=require("./arithmetic");var constants=require("../constants");var algebra={};algebra.fmod=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return constants.EMPTY}var yb=x.lo<0?y.lo:y.hi;var n=rmath.intLo(rmath.divLo(x.lo,yb));return arithmetic.sub(x,arithmetic.mul(y,Interval(n)))};algebra.multiplicativeInverse=function(x){if(utils.isEmpty(x)){return constants.EMPTY}if(utils.zeroIn(x)){if(x.lo!==0){if(x.hi!==0){return constants.WHOLE}else{return Interval(Number.NEGATIVE_INFINITY,rmath.divHi(1,x.lo))}}else{if(x.hi!==0){return Interval(rmath.divLo(1,x.hi),Number.POSITIVE_INFINITY)}else{return constants.EMPTY}}}else{return Interval(rmath.divLo(1,x.hi),rmath.divHi(1,x.lo))}};algebra.pow=function(x,power){if(utils.isEmpty(x)){return constants.EMPTY}if(typeof power==="object"){if(!utils.isSingleton(power)){return constants.EMPTY}power=power.lo}if(power===0){if(x.lo===0&&x.hi===0){return constants.EMPTY}else{return constants.ONE}}else if(power<0){return algebra.multiplicativeInverse(algebra.pow(x,-power))}if(isSafeInteger(power)){if(x.hi<0){var yl=rmath.powLo(-x.hi,power);var yh=rmath.powHi(-x.lo,power);if(power&1){return Interval(-yh,-yl)}else{return Interval(yl,yh)}}else if(x.lo<0){if(power&1){return Interval(-rmath.powLo(-x.lo,power),rmath.powHi(x.hi,power))}else{return Interval(0,rmath.powHi(Math.max(-x.lo,x.hi),power))}}else{return Interval(rmath.powLo(x.lo,power),rmath.powHi(x.hi,power))}}else{console.warn("power is not an integer, you should use nth-root instead, returning an empty interval");return constants.EMPTY}};algebra.sqrt=function(x){return algebra.nthRoot(x,2)};algebra.nthRoot=function(x,n){if(utils.isEmpty(x)||n<0){return constants.EMPTY}if(typeof n==="object"){if(!utils.isSingleton(n)){return constants.EMPTY}n=n.lo}var power=1/n;if(x.hi<0){if(isSafeInteger(n)&(n&1)){var yl=rmath.powHi(-x.lo,power);var yh=rmath.powLo(-x.hi,power);return Interval(-yl,-yh)}return Interval.EMPTY}else if(x.lo<0){var yp=rmath.powHi(x.hi,power);if(isSafeInteger(n)&(n&1)){var yn=rmath.powHi(-x.lo,power);return Interval(0,Math.max(yn,yp))}return Interval(0,yp)}else{return Interval(rmath.powLo(x.lo,power),rmath.powHi(x.hi,power))}};module.exports=algebra},{"../constants":36,"../interval":37,"../round-math":46,"./arithmetic":39,"./utils":44,"is-safe-integer":48}],39:[function(require,module,exports){"use strict";var Interval=require("../interval");var rmath=require("../round-math");var utils=require("./utils");var constants=require("../constants");var division=require("./division");var arithmetic={};arithmetic.add=function(x,y){return Interval(rmath.addLo(x.lo,y.lo),rmath.addHi(x.hi,y.hi))};arithmetic.subtract=function(x,y){return Interval(rmath.subLo(x.lo,y.hi),rmath.subHi(x.hi,y.lo))};arithmetic.sub=arithmetic.subtract;arithmetic.multiply=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return constants.EMPTY}var xl=x.lo;var xh=x.hi;var yl=y.lo;var yh=y.hi;var out=Interval();if(xl<0){if(xh>0){if(yl<0){if(yh>0){out.lo=Math.min(rmath.mulLo(xl,yh),rmath.mulLo(xh,yl));out.hi=Math.max(rmath.mulHi(xl,yl),rmath.mulHi(xh,yh))}else{out.lo=rmath.mulLo(xh,yl);out.hi=rmath.mulHi(xl,yl)}}else{if(yh>0){out.lo=rmath.mulLo(xl,yh);out.hi=rmath.mulHi(xh,yh)}else{out.lo=0;out.hi=0}}}else{if(yl<0){if(yh>0){out.lo=rmath.mulLo(xl,yh);out.hi=rmath.mulHi(xl,yl)}else{out.lo=rmath.mulLo(xh,yh);out.hi=rmath.mulHi(xl,yl)}}else{if(yh>0){out.lo=rmath.mulLo(xl,yh);out.hi=rmath.mulHi(xh,yl)}else{out.lo=0;out.hi=0}}}}else{if(xh>0){if(yl<0){if(yh>0){out.lo=rmath.mulLo(xh,yl);out.hi=rmath.mulHi(xh,yh)}else{out.lo=rmath.mulLo(xh,yl);out.hi=rmath.mulHi(xl,yh)}}else{if(yh>0){out.lo=rmath.mulLo(xl,yl);out.hi=rmath.mulHi(xh,yh)}else{out.lo=0;out.hi=0}}}else{out.lo=0;out.hi=0}}return out};arithmetic.mul=arithmetic.multiply;arithmetic.divide=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return constants.EMPTY}if(utils.zeroIn(y)){if(y.lo!==0){if(y.hi!==0){return division.zero(x)}else{return division.negative(x,y.lo)}}else{if(y.hi!==0){return division.positive(x,y.hi)}else{return constants.EMPTY}}}else{return division.nonZero(x,y)}};arithmetic.div=arithmetic.divide;arithmetic.positive=function(x){return Interval(x.lo,x.hi)};arithmetic.negative=function(x){return Interval(-x.hi,-x.lo)};module.exports=arithmetic},{"../constants":36,"../interval":37,"../round-math":46,"./division":40,"./utils":44}],40:[function(require,module,exports){"use strict";var Interval=require("../interval");var rmath=require("../round-math");var utils=require("./utils");var constants=require("../constants");var division={nonZero:function(x,y){var xl=x.lo;var xh=x.hi;var yl=y.lo;var yh=y.hi;var out=Interval();if(xh<0){if(yh<0){out.lo=rmath.divLo(xh,yl);out.hi=rmath.divHi(xl,yh)}else{out.lo=rmath.divLo(xl,yl);out.hi=rmath.divHi(xh,yh)}}else if(xl<0){if(yh<0){out.lo=rmath.divLo(xh,yh);out.hi=rmath.divHi(xl,yh)}else{out.lo=rmath.divLo(xl,yl);out.hi=rmath.divHi(xh,yl)}}else{if(yh<0){out.lo=rmath.divLo(xh,yh);out.hi=rmath.divHi(xl,yl)}else{out.lo=rmath.divLo(xl,yh);out.hi=rmath.divHi(xh,yl)}}return out},positive:function(x,v){if(x.lo===0&&x.hi===0){return x}if(utils.zeroIn(x)){return constants.WHOLE}if(x.hi<0){return Interval(Number.NEGATIVE_INFINITY,rmath.divHi(x.hi,v))}else{return Interval(rmath.divLo(x.lo,v),Number.POSITIVE_INFINITY)}},negative:function(x,v){if(x.lo===0&&x.hi===0){return x}if(utils.zeroIn(x)){return constants.WHOLE}if(x.hi<0){return Interval(rmath.divLo(x.hi,v),Number.POSITIVE_INFINITY)}else{return Interval(Number.NEGATIVE_INFINITY,rmath.divHi(x.lo,v))}},zero:function(x){if(x.lo===0&&x.hi===0){return x}return constants.WHOLE}};module.exports=division},{"../constants":36,"../interval":37,"../round-math":46,"./utils":44}],41:[function(require,module,exports){"use strict";var constants=require("../constants");var Interval=require("../interval");var rmath=require("../round-math");var utils=require("./utils");var arithmetic=require("./arithmetic");var misc={};misc.exp=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return Interval(rmath.expLo(x.lo),rmath.expHi(x.hi))};misc.log=function(x){if(utils.isEmpty(x)){return constants.EMPTY}var l=x.lo<=0?Number.NEGATIVE_INFINITY:rmath.logLo(x.lo);return Interval(l,rmath.logHi(x.hi))};misc.ln=misc.log;misc.LOG_EXP_10=misc.log(Interval(10,10));misc.log10=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return arithmetic.div(misc.log(x),misc.LOG_EXP_10)};misc.LOG_EXP_2=misc.log(Interval(2,2));misc.log2=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return arithmetic.div(misc.log(x),misc.LOG_EXP_2)};misc.hull=function(x,y){var badX=utils.isEmpty(x);var badY=utils.isEmpty(y);if(badX&&badY){return constants.EMPTY}else if(badX){return y.clone()}else if(badY){return x.clone()}else{return Interval(Math.min(x.lo,y.lo),Math.max(x.hi,y.hi))}};misc.intersection=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return constants.EMPTY}var lo=Math.max(x.lo,y.lo);var hi=Math.min(x.hi,y.hi);if(lo<=hi){return Interval(lo,hi)}return constants.EMPTY};misc.union=function(x,y){if(!utils.intervalsOverlap(x,y)){throw Error("Interval#union: intervals do not overlap")}return Interval(Math.min(x.lo,y.lo),Math.max(x.hi,y.hi))};misc.difference=function(x,y){if(utils.isEmpty(x)||utils.isWhole(y)){return constants.EMPTY}if(utils.intervalsOverlap(x,y)){if(x.lo<y.lo&&y.hi<x.hi){throw Error("Interval.difference: difference creates multiple intervals")}if(y.lo<=x.lo&&y.hi===Infinity||y.hi>=x.hi&&y.lo===-Infinity){return constants.EMPTY}if(y.lo<=x.lo){return Interval().halfOpenLeft(y.hi,x.hi)}return Interval().halfOpenRight(x.lo,y.lo)}return Interval.clone(x)};misc.width=function(x){if(utils.isEmpty(x)){return 0}return rmath.subHi(x.hi,x.lo)};misc.wid=misc.width;misc.abs=function(x){if(utils.isEmpty(x)){return constants.EMPTY}if(x.lo>=0){return Interval.clone(x)}if(x.hi<=0){return arithmetic.negative(x)}return Interval(0,Math.max(-x.lo,x.hi))};misc.max=function(x,y){var badX=utils.isEmpty(x);var badY=utils.isEmpty(y);if(badX&&badY){return constants.EMPTY}else if(badX){return y.clone()}else if(badY){return x.clone()}else{return Interval(Math.max(x.lo,y.lo),Math.max(x.hi,y.hi))}};misc.min=function(x,y){var badX=utils.isEmpty(x);var badY=utils.isEmpty(y);if(badX&&badY){return constants.EMPTY}else if(badX){return y.clone()}else if(badY){return x.clone()}else{return Interval(Math.min(x.lo,y.lo),Math.min(x.hi,y.hi))}};misc.clone=function(x){return Interval().set(x.lo,x.hi)};module.exports=misc},{"../constants":36,"../interval":37,"../round-math":46,"./arithmetic":39,"./utils":44}],42:[function(require,module,exports){"use strict";var utils=require("./utils");var relational={};relational.equal=function(x,y){if(utils.isEmpty(x)){return utils.isEmpty(y)}return!utils.isEmpty(y)&&x.lo===y.lo&&x.hi===y.hi};relational.almostEqual=function(x,y){var EPS=1e-7;function assert(a,message){if(!a){throw new Error(message||"assertion failed")}}function assertEps(a,b){assert(Math.abs(a-b)<EPS,"expected "+a+" to be close to "+b)}x=Array.isArray(x)?x:x.toArray();y=Array.isArray(y)?y:y.toArray();assertEps(x[0],y[0]);assertEps(x[1],y[1]);assert(x[0]<=x[1],"interval must not be empty")};relational.notEqual=function(x,y){if(utils.isEmpty(x)){return!utils.isEmpty(y)}return utils.isEmpty(y)||x.hi<y.lo||x.lo>y.hi};relational.lessThan=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return false}return x.hi<y.lo};relational.lt=relational.lessThan;relational.greaterThan=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return false}return x.lo>y.hi};relational.gt=relational.greaterThan;relational.lessEqualThan=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return false}return x.hi<=y.lo};relational.leq=relational.lessEqualThan;relational.greaterEqualThan=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return false}return x.lo>=y.hi};relational.geq=relational.greaterEqualThan;module.exports=relational},{"./utils":44}],43:[function(require,module,exports){"use strict";var constants=require("../constants");var Interval=require("../interval");var rmath=require("../round-math");var utils=require("./utils");var misc=require("./misc");var algebra=require("./algebra");var arithmetic=require("./arithmetic");var trigonometric={};trigonometric.cos=function(x){var rlo,rhi;if(utils.isEmpty(x)){return constants.EMPTY}var cache=Interval();cache.set(x.lo,x.hi);if(cache.lo<0){var n=Math.ceil(-cache.lo/constants.PI_TWICE_LOW);cache.lo+=constants.PI_TWICE_LOW*n;cache.hi+=constants.PI_TWICE_LOW*n}var pi2=constants.PI_TWICE;var t=algebra.fmod(cache,pi2);if(misc.width(t)>=pi2.lo){return Interval(-1,1)}if(t.lo>=constants.PI_HIGH){var cos=trigonometric.cos(arithmetic.sub(t,constants.PI));return arithmetic.negative(cos)}var lo=t.lo;var hi=t.hi;rlo=rmath.cosLo(hi);rhi=rmath.cosHi(lo);if(hi<=constants.PI_LOW){return Interval(rlo,rhi)}else if(hi<=pi2.lo){return Interval(-1,Math.max(rlo,rhi))}else{return Interval(-1,1)}};trigonometric.sin=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return trigonometric.cos(arithmetic.sub(x,constants.PI_HALF))};trigonometric.tan=function(x){if(utils.isEmpty(x)){return constants.EMPTY}var cache=Interval();cache.set(x.lo,x.hi);if(cache.lo<0){var n=Math.ceil(-cache.lo/constants.PI_TWICE_LOW);cache.lo+=constants.PI_TWICE_LOW*n;cache.hi+=constants.PI_TWICE_LOW*n}var pi=constants.PI;var t=algebra.fmod(cache,pi);if(t.lo>=constants.PI_HALF_LOW){t=arithmetic.sub(t,pi)}if(t.lo<=-constants.PI_HALF_LOW||t.hi>=constants.PI_HALF_LOW){return constants.WHOLE}return Interval(rmath.tanLo(t.lo),rmath.tanHi(t.hi))};trigonometric.asin=function(x){if(utils.isEmpty(x)||x.hi<-1||x.lo>1){return constants.EMPTY}var lo=x.lo<=-1?-constants.PI_HALF_HIGH:rmath.asinLo(x.lo);var hi=x.hi>=1?constants.PI_HALF_HIGH:rmath.asinHi(x.hi);return Interval(lo,hi)};trigonometric.acos=function(x){if(utils.isEmpty(x)||x.hi<-1||x.lo>1){return constants.EMPTY}var lo=x.hi>=1?0:rmath.acosLo(x.hi);var hi=x.lo<=-1?constants.PI_HIGH:rmath.acosHi(x.lo);return Interval(lo,hi)};trigonometric.atan=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return Interval(rmath.atanLo(x.lo),rmath.atanHi(x.hi))};trigonometric.sinh=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return Interval(rmath.sinhLo(x.lo),rmath.sinhHi(x.hi))};trigonometric.cosh=function(x){if(utils.isEmpty(x)){return constants.EMPTY}if(x.hi<0){return Interval(rmath.coshLo(x.hi),rmath.coshHi(x.lo))}else if(x.lo>=0){return Interval(rmath.coshLo(x.lo),rmath.coshHi(x.hi))}else{return Interval(1,rmath.coshHi(-x.lo>x.hi?x.lo:x.hi))}};trigonometric.tanh=function(x){if(utils.isEmpty(x)){return constants.EMPTY}return Interval(rmath.tanhLo(x.lo),rmath.tanhHi(x.hi))};module.exports=trigonometric},{"../constants":36,"../interval":37,"../round-math":46,"./algebra":38,"./arithmetic":39,"./misc":41,"./utils":44}],44:[function(require,module,exports){"use strict";var utils={};utils.isInterval=function(x){return typeof x==="object"&&typeof x.lo==="number"&&typeof x.hi==="number"};utils.isEmpty=function(x){return x.lo>x.hi};utils.isWhole=function(x){return x.lo===-Infinity&&x.hi===Infinity;

};utils.isSingleton=function(x){return x.lo===x.hi};utils.zeroIn=function(x){return utils.hasValue(x,0)};utils.hasValue=function(a,value){if(utils.isEmpty(a)){return false}return a.lo<=value&&value<=a.hi};utils.hasInterval=function(x,y){if(utils.isEmpty(x)){return true}return!utils.isEmpty(y)&&y.lo<=x.lo&&x.hi<=y.hi};utils.intervalsOverlap=function(x,y){if(utils.isEmpty(x)||utils.isEmpty(y)){return false}return x.lo<=y.lo&&y.lo<=x.hi||y.lo<=x.lo&&x.lo<=y.hi};module.exports=utils},{}],45:[function(require,module,exports){"use strict";Math.sinh=Math.sinh||function(x){var y=Math.exp(x);return(y-1/y)/2};Math.cosh=Math.cosh||function(x){var y=Math.exp(x);return(y+1/y)/2};Math.tanh=Math.tanh||function(x){if(x===Number.POSITIVE_INFINITY){return 1}else if(x===Number.NEGATIVE_INFINITY){return-1}else{var y=Math.exp(2*x);return(y-1)/(y+1)}}},{}],46:[function(require,module,exports){"use strict";var nextafter=require("nextafter");function identity(v){return v}function prev(v){if(v===Infinity){return v}return nextafter(v,-Infinity)}function next(v){if(v===-Infinity){return v}return nextafter(v,Infinity)}var round={safePrev:prev,safeNext:next,prev:prev,next:next};round.addLo=function(x,y){return this.prev(x+y)};round.addHi=function(x,y){return this.next(x+y)};round.subLo=function(x,y){return this.prev(x-y)};round.subHi=function(x,y){return this.next(x-y)};round.mulLo=function(x,y){return this.prev(x*y)};round.mulHi=function(x,y){return this.next(x*y)};round.divLo=function(x,y){return this.prev(x/y)};round.divHi=function(x,y){return this.next(x/y)};function toInteger(x){return x<0?Math.ceil(x):Math.floor(x)}round.intLo=function(x){return toInteger(this.prev(x))};round.intHi=function(x){return toInteger(this.next(x))};round.logLo=function(x){return this.prev(Math.log(x))};round.logHi=function(x){return this.next(Math.log(x))};round.expLo=function(x){return this.prev(Math.exp(x))};round.expHi=function(x){return this.next(Math.exp(x))};round.sinLo=function(x){return this.prev(Math.sin(x))};round.sinHi=function(x){return this.next(Math.sin(x))};round.cosLo=function(x){return this.prev(Math.cos(x))};round.cosHi=function(x){return this.next(Math.cos(x))};round.tanLo=function(x){return this.prev(Math.tan(x))};round.tanHi=function(x){return this.next(Math.tan(x))};round.asinLo=function(x){return this.prev(Math.asin(x))};round.asinHi=function(x){return this.next(Math.asin(x))};round.acosLo=function(x){return this.prev(Math.acos(x))};round.acosHi=function(x){return this.next(Math.acos(x))};round.atanLo=function(x){return this.prev(Math.atan(x))};round.atanHi=function(x){return this.next(Math.atan(x))};round.sinhLo=function(x){return this.prev(Math.sinh(x))};round.sinhHi=function(x){return this.next(Math.sinh(x))};round.coshLo=function(x){return this.prev(Math.cosh(x))};round.coshHi=function(x){return this.next(Math.cosh(x))};round.tanhLo=function(x){return this.prev(Math.tanh(x))};round.tanhHi=function(x){return this.next(Math.tanh(x))};round.powLo=function(x,power){if(power%1!==0){return this.prev(Math.pow(x,power))}var y=power&1?x:1;power>>=1;while(power>0){x=round.mulLo(x,x);if(power&1){y=round.mulLo(x,y)}power>>=1}return y};round.powHi=function(x,power){if(power%1!==0){return this.next(Math.pow(x,power))}var y=power&1?x:1;power>>=1;while(power>0){x=round.mulHi(x,x);if(power&1){y=round.mulHi(x,y)}power>>=1}return y};round.sqrtLo=function(x){return this.prev(Math.sqrt(x))};round.sqrtHi=function(x){return this.next(Math.sqrt(x))};round.disable=function(){this.next=this.prev=identity};round.enable=function(){this.next=next;this.prev=prev};module.exports=round},{nextafter:83}],47:[function(require,module,exports){"use strict";module.exports=function isObject(x){return typeof x==="object"&&x!==null}},{}],48:[function(require,module,exports){"use strict";var MAX_SAFE_INTEGER=require("max-safe-integer");module.exports=Number.isSafeInteger||function(val){return typeof val==="number"&&val===val&&val!==Infinity&&val!==-Infinity&&parseInt(val,10)===val&&Math.abs(val)<=MAX_SAFE_INTEGER}},{"max-safe-integer":67}],49:[function(require,module,exports){(function(process){var keys=require("vkey");var list=Object.keys(keys);var down={};reset();module.exports=pressed;if(process.browser){window.addEventListener("keydown",keydown,false);window.addEventListener("keyup",keyup,false);window.addEventListener("blur",reset,false)}function pressed(key){return key?down[key]:down}function reset(){list.forEach(function(code){down[keys[code]]=false})}function keyup(e){down[keys[e.keyCode]]=false}function keydown(e){down[keys[e.keyCode]]=true}}).call(this,require("_process"))},{_process:91,vkey:84}],50:[function(require,module,exports){var Emitter=require("events").EventEmitter;var vkey=require("vkey");module.exports=function(keys,el){if(typeof keys==="string")keys=[keys];if(!el)el=window;var emitter=new Emitter;emitter.pressed={};el.addEventListener("blur",clearPressed);el.addEventListener("focus",clearPressed);el.addEventListener("keydown",function(ev){var key=vkey[ev.keyCode];emitter.pressed[key]=true;var allPressed=true;keys.forEach(function(k){if(!emitter.pressed[k])allPressed=false});if(allPressed){emitter.emit("pressed",emitter.pressed);clearPressed()}});el.addEventListener("keyup",function(ev){delete emitter.pressed[vkey[ev.keyCode]]});function clearPressed(){emitter.pressed={}}return emitter}},{events:89,vkey:84}],51:[function(require,module,exports){var integers=require("integers");module.exports=function linspace(a,b,n){var every=(b-a)/(n-1),ranged=integers(a,b,every);return ranged.length==n?ranged:ranged.concat(b)}},{integers:29}],52:[function(require,module,exports){"use strict";module.exports=Math.log10||function(x){return Math.log(x)*Math.LOG10E}},{}],53:[function(require,module,exports){var linspace=require("linspace");module.exports=function logspace(a,b,n){return linspace(a,b,n).map(function(x){return Math.pow(10,x)})}},{linspace:51}],54:[function(require,module,exports){"use strict";module.exports=require("./lib/CodeGenerator")},{"./lib/CodeGenerator":55}],55:[function(require,module,exports){"use strict";var Parser=require("mr-parser").Parser;var Interpreter=require("./Interpreter");var extend=require("extend");function CodeGenerator(options,defs){this.statements=[];this.defs=defs||{};this.interpreter=new Interpreter(this,options)}CodeGenerator.prototype.setDefs=function(defs){this.defs=extend(this.defs,defs);return this};CodeGenerator.prototype.compile=function(namespace){if(!namespace||!(typeof namespace==="object"||typeof namespace==="function")){throw TypeError("namespace must be an object")}if(typeof namespace.factory!=="function"){throw TypeError("namespace.factory must be a function")}this.defs.ns=namespace;this.defs.$$mathCodegen={getProperty:function(symbol,scope,ns){if(symbol in scope){return scope[symbol]}if(symbol in ns){return ns[symbol]}throw SyntaxError('symbol "'+symbol+'" is undefined')},functionProxy:function(fn,name){if(typeof fn!=="function"){throw SyntaxError('symbol "'+name+'" must be a function')}return fn}};this.defs.$$processScope=this.defs.$$processScope||function(){};var defsCode=Object.keys(this.defs).map(function(name){return"var "+name+' = defs["'+name+'"]'});if(!this.statements.length){throw Error("there are no statements saved in this generator, make sure you parse an expression before compiling it")}this.statements[this.statements.length-1]="return "+this.statements[this.statements.length-1];var code=this.statements.join(";");var factoryCode=defsCode.join("\n")+"\n"+["return {"," eval: function (scope) {"," scope = scope || {}"," $$processScope(scope)"," "+code," },"," code: '"+code+"'","}"].join("\n");var factory=new Function("defs",factoryCode);return factory(this.defs)};CodeGenerator.prototype.parse=function(code){var self=this;var program=(new Parser).parse(code);this.statements=program.blocks.map(function(statement){return self.interpreter.next(statement)});return this};module.exports=CodeGenerator},{"./Interpreter":56,extend:28,"mr-parser":68}],56:[function(require,module,exports){"use strict";var extend=require("extend");var types={ArrayNode:require("./node/ArrayNode"),AssignmentNode:require("./node/AssignmentNode"),ConditionalNode:require("./node/ConditionalNode"),ConstantNode:require("./node/ConstantNode"),FunctionNode:require("./node/FunctionNode"),OperatorNode:require("./node/OperatorNode"),SymbolNode:require("./node/SymbolNode"),UnaryNode:require("./node/UnaryNode")};var Interpreter=function(owner,options){this.owner=owner;this.options=extend({factory:"ns.factory",raw:false,rawArrayExpressionElements:true,rawCallExpressionElements:false},options)};extend(Interpreter.prototype,types);Interpreter.prototype.next=function(node){if(!(node.type in this)){throw new TypeError("the node type "+node.type+" is not implemented")}return this[node.type](node)};Interpreter.prototype.rawify=function(test,fn){var oldRaw=this.options.raw;if(test){this.options.raw=true}fn();if(test){this.options.raw=oldRaw}};module.exports=Interpreter},{"./node/ArrayNode":59,"./node/AssignmentNode":60,"./node/ConditionalNode":61,"./node/ConstantNode":62,"./node/FunctionNode":63,"./node/OperatorNode":64,"./node/SymbolNode":65,"./node/UnaryNode":66,extend:28}],57:[function(require,module,exports){"use strict";module.exports={"+":"add","-":"sub","*":"mul","/":"div","^":"pow","%":"mod","!":"factorial","|":"bitwiseOR","^|":"bitwiseXOR","&":"bitwiseAND","||":"logicalOR",xor:"logicalXOR","&&":"logicalAND","<":"lessThan",">":"greaterThan","<=":"lessEqualThan",">=":"greaterEqualThan","===":"strictlyEqual","==":"equal","!==":"strictlyNotEqual","!=":"notEqual",">>":"shiftRight","<<":"shiftLeft",">>>":"unsignedRightShift"}},{}],58:[function(require,module,exports){"use strict";module.exports={"+":"positive","-":"negative","~":"oneComplement"}},{}],59:[function(require,module,exports){"use strict";module.exports=function(node){var self=this;var arr=[];this.rawify(this.options.rawArrayExpressionElements,function(){arr=node.nodes.map(function(el){return self.next(el)})});var arrString="["+arr.join(",")+"]";if(this.options.raw){return arrString}return this.options.factory+"("+arrString+")"}},{}],60:[function(require,module,exports){"use strict";module.exports=function(node){return'scope["'+node.name+'"] = '+this.next(node.expr)}},{}],61:[function(require,module,exports){"use strict";module.exports=function(node){var condition="!!("+this.next(node.condition)+")";var trueExpr=this.next(node.trueExpr);var falseExpr=this.next(node.falseExpr);return"("+condition+" ? ("+trueExpr+") : ("+falseExpr+") )"}},{}],62:[function(require,module,exports){"use strict";module.exports=function(node){if(this.options.raw){return node.value}return this.options.factory+"("+node.value+")"}},{}],63:[function(require,module,exports){"use strict";var SymbolNode=require("mr-parser").nodeTypes.SymbolNode;var functionProxy=function(node){return"$$mathCodegen.functionProxy("+this.next(new SymbolNode(node.name))+', "'+node.name+'")'};module.exports=function(node){var self=this;var method=functionProxy.call(this,node);var args=[];this.rawify(this.options.rawCallExpressionElements,function(){args=node.args.map(function(arg){return self.next(arg)})});return method+"("+args.join(", ")+")"};module.exports.functionProxy=functionProxy},{"mr-parser":68}],64:[function(require,module,exports){"use strict";var Operators=require("../misc/Operators");module.exports=function(node){if(this.options.raw){return["("+this.next(node.args[0]),node.op,this.next(node.args[1])+")"].join(" ")}var namedOperator=Operators[node.op];if(!namedOperator){throw TypeError("unidentified operator")}return this.FunctionNode({name:namedOperator,args:node.args})}},{"../misc/Operators":57}],65:[function(require,module,exports){"use strict";module.exports=function(node){var id=node.name;return'$$mathCodegen.getProperty("'+id+'", scope, ns)'}},{}],66:[function(require,module,exports){"use strict";var UnaryOperators=require("../misc/UnaryOperators");module.exports=function(node){if(this.options.raw){return node.op+this.next(node.argument)}if(!(node.op in UnaryOperators)){throw new SyntaxError(node.op+" not implemented")}var namedOperator=UnaryOperators[node.op];return this.FunctionNode({name:namedOperator,args:[node.argument]})}},{"../misc/UnaryOperators":58}],67:[function(require,module,exports){"use strict";module.exports=9007199254740991},{}],68:[function(require,module,exports){"use strict";module.exports.Lexer=require("./lib/Lexer");module.exports.Parser=require("./lib/Parser");module.exports.nodeTypes=require("./lib/node/")},{"./lib/Lexer":69,"./lib/Parser":70,"./lib/node/":81}],69:[function(require,module,exports){var tokenType=require("./token-type");var ESCAPES={n:"\n",f:"\f",r:"\r",t:" ",v:"","'":"'",'"':'"'};var DELIMITERS={",":true,"(":true,")":true,"[":true,"]":true,";":true,"~":true,"!":true,"+":true,"-":true,"*":true,"/":true,"%":true,"^":true,"**":true,"|":true,"&":true,"^|":true,"=":true,":":true,"?":true,"||":true,"&&":true,xor:true,"==":true,"!=":true,"===":true,"!==":true,"<":true,">":true,">=":true,"<=":true,">>>":true,"<<":true,">>":true};function isDigit(c){return c>="0"&&c<="9"}function isIdentifier(c){return c>="a"&&c<="z"||c>="A"&&c<="Z"||c==="$"||c==="_"}function isWhitespace(c){return c===" "||c==="\r"||c===" "||c==="\n"||c===""||c===" "}function isDelimiter(str){return DELIMITERS[str]}function isQuote(c){return c==="'"||c==='"'}function Lexer(){}Lexer.prototype.throwError=function(message,index){index=typeof index==="undefined"?this.index:index;var error=new Error(message+" at index "+index);error.index=index;error.description=message;throw error};Lexer.prototype.lex=function(text){this.text=text;this.index=0;this.tokens=[];while(this.index<this.text.length){while(isWhitespace(this.peek())){this.consume()}var c=this.peek();var c2=c+this.peek(1);var c3=c2+this.peek(2);if(isDelimiter(c3)){this.tokens.push({type:tokenType.DELIMITER,value:c3});this.consume();this.consume();this.consume()}else if(isDelimiter(c2)){this.tokens.push({type:tokenType.DELIMITER,value:c2});this.consume();this.consume()}else if(isDelimiter(c)){this.tokens.push({type:tokenType.DELIMITER,value:c});this.consume()}else if(isDigit(c)||c==="."&&isDigit(this.peek(1))){this.tokens.push({type:tokenType.NUMBER,value:this.readNumber()})}else if(isQuote(c)){this.tokens.push({type:tokenType.STRING,value:this.readString()})}else if(isIdentifier(c)){this.tokens.push({type:tokenType.SYMBOL,value:this.readIdentifier()})}else{this.throwError("unexpected character "+c)}}this.tokens.push({type:tokenType.EOF});return this.tokens};Lexer.prototype.peek=function(nth){nth=nth||0;if(this.index+nth>=this.text.length){return}return this.text.charAt(this.index+nth)};Lexer.prototype.consume=function(){var current=this.peek();this.index+=1;return current};Lexer.prototype.readNumber=function(){var number="";if(this.peek()==="."){number+=this.consume();if(!isDigit(this.peek())){this.throwError("number expected")}}else{while(isDigit(this.peek())){number+=this.consume()}if(this.peek()==="."){number+=this.consume()}}while(isDigit(this.peek())){number+=this.consume()}if(this.peek()==="e"||this.peek()==="E"){number+=this.consume();if(!(isDigit(this.peek())||this.peek()==="+"||this.peek()==="-")){this.throwError()}if(this.peek()==="+"||this.peek()==="-"){number+=this.consume()}if(!isDigit(this.peek())){this.throwError("number expected")}while(isDigit(this.peek())){number+=this.consume()}}return number};Lexer.prototype.readIdentifier=function(){var text="";while(isIdentifier(this.peek())||isDigit(this.peek())){text+=this.consume()}return text};Lexer.prototype.readString=function(){var quote=this.consume();var string="";var escape;while(true){var c=this.consume();if(!c){this.throwError("string is not closed")}if(escape){if(c==="u"){var hex=this.text.substring(this.index+1,this.index+5);if(!hex.match(/[\da-f]{4}/i)){this.throwError("invalid unicode escape")}this.index+=4;string+=String.fromCharCode(parseInt(hex,16))}else{var replacement=ESCAPES[c];if(replacement){string+=replacement}else{string+=c}}escape=false}else if(c===quote){break}else if(c==="\\"){escape=true}else{string+=c}}return string};module.exports=Lexer},{"./token-type":82}],70:[function(require,module,exports){var tokenType=require("./token-type");var Lexer=require("./Lexer");var ConstantNode=require("./node/ConstantNode");var OperatorNode=require("./node/OperatorNode");var UnaryNode=require("./node/UnaryNode");var SymbolNode=require("./node/SymbolNode");var FunctionNode=require("./node/FunctionNode");var ArrayNode=require("./node/ArrayNode");var ConditionalNode=require("./node/ConditionalNode");var AssignmentNode=require("./node/AssignmentNode");var BlockNode=require("./node/BlockNode");function Parser(){this.lexer=new Lexer;this.tokens=null}Parser.prototype.current=function(){return this.tokens[0]};Parser.prototype.next=function(){return this.tokens[1]};Parser.prototype.peek=function(){if(this.tokens.length){var first=this.tokens[0];for(var i=0;i<arguments.length;i+=1){if(first.value===arguments[i]){return true}}}};Parser.prototype.consume=function(e){return this.tokens.shift()};Parser.prototype.expect=function(e){if(!this.peek(e)){throw Error("expected "+e)}return this.consume()};Parser.prototype.isEOF=function(){return this.current().type===tokenType.EOF};Parser.prototype.parse=function(text){this.tokens=this.lexer.lex(text);return this.program()};Parser.prototype.program=function(){var blocks=[];while(!this.isEOF()){blocks.push(this.assignment());if(this.peek(";")){this.consume()}}this.end();return new BlockNode(blocks)};Parser.prototype.assignment=function(){var left=this.ternary();if(left instanceof SymbolNode&&this.peek("=")){this.consume();return new AssignmentNode(left.name,this.assignment())}return left};Parser.prototype.ternary=function(){var predicate=this.logicalOR();if(this.peek("?")){this.consume();var truthy=this.ternary();this.expect(":");var falsy=this.ternary();return new ConditionalNode(predicate,truthy,falsy)}return predicate};Parser.prototype.logicalOR=function(){var left=this.logicalXOR();if(this.peek("||")){var op=this.consume();var right=this.logicalOR();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.logicalXOR=function(){var left=this.logicalAND();if(this.current().value==="xor"){var op=this.consume();var right=this.logicalXOR();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.logicalAND=function(){var left=this.bitwiseOR();if(this.peek("&&")){var op=this.consume();var right=this.logicalAND();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.bitwiseOR=function(){var left=this.bitwiseXOR();if(this.peek("|")){var op=this.consume();var right=this.bitwiseOR();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.bitwiseXOR=function(){var left=this.bitwiseAND();if(this.peek("^|")){var op=this.consume();var right=this.bitwiseXOR();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.bitwiseAND=function(){var left=this.relational();if(this.peek("&")){var op=this.consume();var right=this.bitwiseAND();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.relational=function(){var left=this.shift();if(this.peek("==","===","!=","!==",">=","<=",">","<")){var op=this.consume();var right=this.shift();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.shift=function(){var left=this.additive();if(this.peek(">>","<<",">>>")){var op=this.consume();var right=this.shift();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.additive=function(){var left=this.multiplicative();while(this.peek("+","-")){var op=this.consume();left=new OperatorNode(op.value,[left,this.multiplicative()])}return left};Parser.prototype.multiplicative=function(){var op,right;var left=this.unary();while(this.peek("*","/","%")){op=this.consume();left=new OperatorNode(op.value,[left,this.unary()])}if(this.current().type===tokenType.SYMBOL||this.peek("(")||!(left.type instanceof ConstantNode)&&this.current().type===tokenType.NUMBER){right=this.multiplicative();return new OperatorNode("*",[left,right])}return left};Parser.prototype.unary=function(){if(this.peek("-","+","~")){var op=this.consume();var right=this.unary();return new UnaryNode(op.value,right)}return this.pow()};Parser.prototype.pow=function(){var left=this.factorial();if(this.peek("^","**")){var op=this.consume();var right=this.unary();return new OperatorNode(op.value,[left,right])}return left};Parser.prototype.factorial=function(){var left=this.symbol();if(this.peek("!")){var op=this.consume();return new OperatorNode(op.value,[left])}return left};Parser.prototype.symbol=function(){var current=this.current();if(current.type===tokenType.SYMBOL){var symbol=this.consume();var node=this.functionCall(symbol);return node}return this.string()};Parser.prototype.functionCall=function(symbolToken){var name=symbolToken.value;if(this.peek("(")){this.consume();var params=[];while(!this.peek(")")&&!this.isEOF()){params.push(this.assignment());if(this.peek(",")){this.consume()}}this.expect(")");return new FunctionNode(name,params)}return new SymbolNode(name)};Parser.prototype.string=function(){if(this.current().type===tokenType.STRING){return new ConstantNode(this.consume().value,"string")}return this.array()};Parser.prototype.array=function(){if(this.peek("[")){this.consume();var params=[];while(!this.peek("]")&&!this.isEOF()){params.push(this.assignment());if(this.peek(",")){this.consume()}}this.expect("]");return new ArrayNode(params)}return this.number()};Parser.prototype.number=function(){var token=this.current();if(token.type===tokenType.NUMBER){return new ConstantNode(this.consume().value,"number")}return this.parentheses()};Parser.prototype.parentheses=function(){var token=this.current();if(token.value==="("){this.consume();var left=this.assignment();this.expect(")");return left}return this.end()};Parser.prototype.end=function(){var token=this.current();if(token.type!==tokenType.EOF){throw Error("unexpected end of expression")}};module.exports=Parser},{"./Lexer":69,"./node/ArrayNode":71,"./node/AssignmentNode":72,"./node/BlockNode":73,"./node/ConditionalNode":74,"./node/ConstantNode":75,"./node/FunctionNode":76,"./node/OperatorNode":78,"./node/SymbolNode":79,"./node/UnaryNode":80,"./token-type":82}],71:[function(require,module,exports){var Node=require("./Node");function ArrayNode(nodes){this.nodes=nodes}ArrayNode.prototype=Object.create(Node.prototype);ArrayNode.prototype.type="ArrayNode";module.exports=ArrayNode},{"./Node":77}],72:[function(require,module,exports){var Node=require("./Node");function AssignmentNode(name,expr){this.name=name;this.expr=expr}AssignmentNode.prototype=Object.create(Node.prototype);AssignmentNode.prototype.type="AssignmentNode";module.exports=AssignmentNode},{"./Node":77}],73:[function(require,module,exports){var Node=require("./Node");function BlockNode(blocks){this.blocks=blocks}BlockNode.prototype=Object.create(Node.prototype);BlockNode.prototype.type="BlockNode";module.exports=BlockNode},{"./Node":77}],74:[function(require,module,exports){var Node=require("./Node");function ConditionalNode(predicate,truthy,falsy){this.condition=predicate;this.trueExpr=truthy;this.falseExpr=falsy}ConditionalNode.prototype=Object.create(Node.prototype);ConditionalNode.prototype.type="ConditionalNode";module.exports=ConditionalNode},{"./Node":77}],75:[function(require,module,exports){var Node=require("./Node");var SUPPORTED_TYPES={number:true,string:true,"boolean":true,undefined:true,"null":true};function ConstantNode(value,type){if(!SUPPORTED_TYPES[type]){throw Error("unsupported type '"+type+"'")}this.value=value;this.valueType=type}ConstantNode.prototype=Object.create(Node.prototype);ConstantNode.prototype.type="ConstantNode";module.exports=ConstantNode},{"./Node":77}],76:[function(require,module,exports){var Node=require("./Node");function FunctionNode(name,args){this.name=name;this.args=args}FunctionNode.prototype=Object.create(Node.prototype);FunctionNode.prototype.type="FunctionNode";module.exports=FunctionNode},{"./Node":77}],77:[function(require,module,exports){function Node(){}Node.prototype.type="Node";module.exports=Node},{}],78:[function(require,module,exports){var Node=require("./Node");function OperatorNode(op,args){this.op=op;this.args=args||[]}OperatorNode.prototype=Object.create(Node.prototype);OperatorNode.prototype.type="OperatorNode";module.exports=OperatorNode},{"./Node":77}],79:[function(require,module,exports){var Node=require("./Node");function SymbolNode(name){this.name=name}SymbolNode.prototype=Object.create(Node.prototype);SymbolNode.prototype.type="SymbolNode";module.exports=SymbolNode},{"./Node":77}],80:[function(require,module,exports){var Node=require("./Node");function UnaryNode(op,argument){this.op=op;this.argument=argument}UnaryNode.prototype=Object.create(Node.prototype);UnaryNode.prototype.type="UnaryNode";module.exports=UnaryNode},{"./Node":77}],81:[function(require,module,exports){module.exports={ArrayNode:require("./ArrayNode"),AssignmentNode:require("./AssignmentNode"),BlockNode:require("./BlockNode"),ConditionalNode:require("./ConditionalNode"),ConstantNode:require("./ConstantNode"),FunctionNode:require("./FunctionNode"),Node:require("./Node"),OperatorNode:require("./OperatorNode"),SymbolNode:require("./SymbolNode"),UnaryNode:require("./UnaryNode")}},{"./ArrayNode":71,"./AssignmentNode":72,"./BlockNode":73,"./ConditionalNode":74,"./ConstantNode":75,"./FunctionNode":76,"./Node":77,"./OperatorNode":78,"./SymbolNode":79,"./UnaryNode":80}],82:[function(require,module,exports){module.exports={EOF:0,DELIMITER:1,NUMBER:2,STRING:3,SYMBOL:4}},{}],83:[function(require,module,exports){"use strict";var doubleBits=require("double-bits");var SMALLEST_DENORM=Math.pow(2,-1074);var UINT_MAX=-1>>>0;module.exports=nextafter;function nextafter(x,y){if(isNaN(x)||isNaN(y)){return NaN}if(x===y){return x}if(x===0){if(y<0){return-SMALLEST_DENORM}else{return SMALLEST_DENORM}}var hi=doubleBits.hi(x);var lo=doubleBits.lo(x);if(y>x===x>0){if(lo===UINT_MAX){hi+=1;lo=0}else{lo+=1}}else{if(lo===0){lo=UINT_MAX;hi-=1}else{lo-=1}}return doubleBits.pack(lo,hi)}},{"double-bits":27}],84:[function(require,module,exports){var ua=typeof window!=="undefined"?window.navigator.userAgent:"",isOSX=/OS X/.test(ua),isOpera=/Opera/.test(ua),maybeFirefox=!/like Gecko/.test(ua)&&!isOpera;var i,output=module.exports={0:isOSX?"<menu>":"<UNK>",1:"<mouse 1>",2:"<mouse 2>",3:"<break>",4:"<mouse 3>",5:"<mouse 4>",6:"<mouse 5>",8:"<backspace>",9:"<tab>",12:"<clear>",13:"<enter>",16:"<shift>",17:"<control>",18:"<alt>",19:"<pause>",20:"<caps-lock>",21:"<ime-hangul>",23:"<ime-junja>",24:"<ime-final>",25:"<ime-kanji>",27:"<escape>",28:"<ime-convert>",29:"<ime-nonconvert>",30:"<ime-accept>",31:"<ime-mode-change>",27:"<escape>",32:"<space>",33:"<page-up>",34:"<page-down>",35:"<end>",36:"<home>",37:"<left>",38:"<up>",39:"<right>",40:"<down>",41:"<select>",42:"<print>",43:"<execute>",44:"<snapshot>",45:"<insert>",46:"<delete>",47:"<help>",91:"<meta>",92:"<meta>",93:isOSX?"<meta>":"<menu>",95:"<sleep>",106:"<num-*>",107:"<num-+>",108:"<num-enter>",109:"<num-->",110:"<num-.>",111:"<num-/>",144:"<num-lock>",145:"<scroll-lock>",160:"<shift-left>",161:"<shift-right>",162:"<control-left>",163:"<control-right>",164:"<alt-left>",165:"<alt-right>",166:"<browser-back>",167:"<browser-forward>",168:"<browser-refresh>",169:"<browser-stop>",170:"<browser-search>",171:"<browser-favorites>",172:"<browser-home>",173:isOSX&&maybeFirefox?"-":"<volume-mute>",174:"<volume-down>",175:"<volume-up>",176:"<next-track>",177:"<prev-track>",178:"<stop>",179:"<play-pause>",180:"<launch-mail>",181:"<launch-media-select>",182:"<launch-app 1>",183:"<launch-app 2>",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",223:"<meta>",224:"<meta>",226:"<alt-gr>",229:"<ime-process>",231:isOpera?"`":"<unicode>",246:"<attention>",247:"<crsel>",248:"<exsel>",249:"<erase-eof>",250:"<play>",251:"<zoom>",252:"<no-name>",253:"<pa-1>",254:"<clear>"};for(i=58;i<65;++i){output[i]=String.fromCharCode(i)}for(i=48;i<58;++i){output[i]=i-48+""}for(i=65;i<91;++i){output[i]=String.fromCharCode(i)}for(i=96;i<106;++i){output[i]="<num-"+(i-96)+">"}for(i=112;i<136;++i){output[i]="F"+(i-111)}},{}],85:[function(require,module,exports){module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty;function extend(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(hasOwnProperty.call(source,key)){target[key]=source[key]}}}return target}},{}],86:[function(require,module,exports){"use strict";exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;function init(){var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i<len;++i){lookup[i]=code[i];revLookup[code.charCodeAt(i)]=i}revLookup["-".charCodeAt(0)]=62;revLookup["_".charCodeAt(0)]=63}init();function toByteArray(b64){var i,j,l,tmp,placeHolders,arr;var len=b64.length;if(len%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}placeHolders=b64[len-2]==="="?2:b64[len-1]==="="?1:0;arr=new Arr(len*3/4-placeHolders);l=placeHolders>0?len-4:len;var L=0;for(i=0,j=0;i<l;i+=4,j+=3){tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)];arr[L++]=tmp>>16&255;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}if(placeHolders===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[L++]=tmp&255}else if(placeHolders===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;i<end;i+=3){tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output.push(tripletToBase64(tmp))}return output.join("")}function fromByteArray(uint8){var tmp;var len=uint8.length;var extraBytes=len%3;var output="";var parts=[];var maxChunkLength=16383;for(var i=0,len2=len-extraBytes;i<len2;i+=maxChunkLength){parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];output+=lookup[tmp>>2];output+=lookup[tmp<<4&63];output+="=="}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];output+=lookup[tmp>>10];output+=lookup[tmp>>4&63];output+=lookup[tmp<<2&63];output+="="}parts.push(output);return parts.join("")}},{}],87:[function(require,module,exports){(function(global){"use strict";var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("isarray");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.TYPED_ARRAY_SUPPORT=global.TYPED_ARRAY_SUPPORT!==undefined?global.TYPED_ARRAY_SUPPORT:typedArraySupport();exports.kMaxLength=kMaxLength();function typedArraySupport(){try{var arr=new Uint8Array(1);arr.foo=function(){return 42};return arr.foo()===42&&typeof arr.subarray==="function"&&arr.subarray(1,1).byteLength===0}catch(e){return false}}function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function createBuffer(that,length){if(kMaxLength()<length){throw new RangeError("Invalid typed array length")}if(Buffer.TYPED_ARRAY_SUPPORT){that=new Uint8Array(length);that.__proto__=Buffer.prototype}else{if(that===null){that=new Buffer(length)}that.length=length}return that}function Buffer(arg,encodingOrOffset,length){if(!Buffer.TYPED_ARRAY_SUPPORT&&!(this instanceof Buffer)){return new Buffer(arg,encodingOrOffset,length)}if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new Error("If encoding is specified then the first argument must be a string");

}return allocUnsafe(this,arg)}return from(this,arg,encodingOrOffset,length)}Buffer.poolSize=8192;Buffer._augment=function(arr){arr.__proto__=Buffer.prototype;return arr};function from(that,value,encodingOrOffset,length){if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){return fromArrayBuffer(that,value,encodingOrOffset,length)}if(typeof value==="string"){return fromString(that,value,encodingOrOffset)}return fromObject(that,value)}Buffer.from=function(value,encodingOrOffset,length){return from(null,value,encodingOrOffset,length)};if(Buffer.TYPED_ARRAY_SUPPORT){Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;if(typeof Symbol!=="undefined"&&Symbol.species&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true})}}function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be a number')}}function alloc(that,size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(that,size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(that,size).fill(fill,encoding):createBuffer(that,size).fill(fill)}return createBuffer(that,size)}Buffer.alloc=function(size,fill,encoding){return alloc(null,size,fill,encoding)};function allocUnsafe(that,size){assertSize(size);that=createBuffer(that,size<0?0:checked(size)|0);if(!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<size;i++){that[i]=0}}return that}Buffer.allocUnsafe=function(size){return allocUnsafe(null,size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(null,size)};function fromString(that,string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError('"encoding" must be a valid string encoding')}var length=byteLength(string,encoding)|0;that=createBuffer(that,length);that.write(string,encoding);return that}function fromArrayLike(that,array){var length=checked(array.length)|0;that=createBuffer(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromArrayBuffer(that,array,byteOffset,length){array.byteLength;if(byteOffset<0||array.byteLength<byteOffset){throw new RangeError("'offset' is out of bounds")}if(array.byteLength<byteOffset+(length||0)){throw new RangeError("'length' is out of bounds")}if(length===undefined){array=new Uint8Array(array,byteOffset)}else{array=new Uint8Array(array,byteOffset,length)}if(Buffer.TYPED_ARRAY_SUPPORT){that=array;that.__proto__=Buffer.prototype}else{that=fromArrayLike(that,array)}return that}function fromObject(that,obj){if(Buffer.isBuffer(obj)){var len=checked(obj.length)|0;that=createBuffer(that,len);if(that.length===0){return that}obj.copy(that,0,0,len);return that}if(obj){if(typeof ArrayBuffer!=="undefined"&&obj.buffer instanceof ArrayBuffer||"length"in obj){if(typeof obj.length!=="number"||isnan(obj.length)){return createBuffer(that,0)}return fromArrayLike(that,obj)}if(obj.type==="Buffer"&&isArray(obj.data)){return fromArrayLike(that,obj.data)}}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(length){if(length>=kMaxLength()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength().toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len;++i){if(a[i]!==b[i]){x=a[i];y=b[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function isEncoding(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function concat(list,length){if(!isArray(list)){throw new TypeError('"list" argument must be an Array of Buffers')}if(list.length===0){return Buffer.alloc(0)}var i;if(length===undefined){length=0;for(i=0;i<list.length;i++){length+=list[i].length}}var buffer=Buffer.allocUnsafe(length);var pos=0;for(i=0;i<list.length;i++){var buf=list[i];if(!Buffer.isBuffer(buf)){throw new TypeError('"list" argument must be an Array of Buffers')}buf.copy(buffer,pos);pos+=buf.length}return buffer};function byteLength(string,encoding){if(Buffer.isBuffer(string)){return string.length}if(typeof ArrayBuffer!=="undefined"&&typeof ArrayBuffer.isView==="function"&&(ArrayBuffer.isView(string)||string instanceof ArrayBuffer)){return string.byteLength}if(typeof string!=="string"){string=""+string}var len=string.length;if(len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"binary":case"raw":case"raws":return len;case"utf8":case"utf-8":case undefined:return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;i<len;i+=2){swap(this,i,i+1)}return this};Buffer.prototype.swap32=function swap32(){var len=this.length;if(len%4!==0){throw new RangeError("Buffer size must be a multiple of 32-bits")}for(var i=0;i<len;i+=4){swap(this,i,i+3);swap(this,i+1,i+2)}return this};Buffer.prototype.toString=function toString(){var length=this.length|0;if(length===0)return"";if(arguments.length===0)return utf8Slice(this,0,length);return slowToString.apply(this,arguments)};Buffer.prototype.equals=function equals(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return true;return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function inspect(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target)){throw new TypeError("Argument must be a Buffer")}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i<len;++i){if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i];y=targetCopy[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};function arrayIndexOf(arr,val,byteOffset,encoding){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var foundIndex=-1;for(var i=0;byteOffset+i<arrLength;i++){if(read(arr,byteOffset+i)===read(val,foundIndex===-1?0:i-foundIndex)){if(foundIndex===-1)foundIndex=i;if(i-foundIndex+1===valLength)return(byteOffset+foundIndex)*indexSize}else{if(foundIndex!==-1)i-=i-foundIndex;foundIndex=-1}}return-1}Buffer.prototype.indexOf=function indexOf(val,byteOffset,encoding){if(typeof byteOffset==="string"){encoding=byteOffset;byteOffset=0}else if(byteOffset>2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset>>=0;if(this.length===0)return-1;if(byteOffset>=this.length)return-1;if(byteOffset<0)byteOffset=Math.max(this.length+byteOffset,0);if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(this,val,byteOffset,encoding)}if(typeof val==="number"){if(Buffer.TYPED_ARRAY_SUPPORT&&Uint8Array.prototype.indexOf==="function"){return Uint8Array.prototype.indexOf.call(this,val,byteOffset)}return arrayIndexOf(this,[val],byteOffset,encoding)}throw new TypeError("val must be string, number or Buffer")};Buffer.prototype.includes=function includes(val,byteOffset,encoding){return this.indexOf(val,byteOffset,encoding)!==-1};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var parsed=parseInt(string.substr(i*2,2),16);if(isNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length)}Buffer.prototype.write=function write(string,offset,length,encoding){if(offset===undefined){encoding="utf8";length=this.length;offset=0}else if(length===undefined&&typeof offset==="string"){encoding=offset;length=this.length;offset=0}else if(isFinite(offset)){offset=offset|0;if(isFinite(length)){length=length|0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"binary":return binaryWrite(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i<end){var firstByte=buf[i];var codePoint=null;var bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(i<len){res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH))}return res}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i]&127)}return ret}function binarySlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function slice(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=this.subarray(start,end);newBuf.__proto__=Buffer.prototype}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}return val};Buffer.prototype.readUIntBE=function readUIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){if(value<0&&sub===0&&this[offset+i-1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||this.length===0)return 0;if(targetStart<0){throw new RangeError("targetStart out of bounds")}if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart<end-start){end=target.length-targetStart+start}var len=end-start;var i;if(this===target&&start<targetStart&&targetStart<end){for(i=len-1;i>=0;i--){target[i+targetStart]=this[i+start]}}else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(i=0;i<len;i++){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(val.length===1){var code=val.charCodeAt(0);if(code<256){val=code}}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}}else if(typeof val==="number"){val=val&255}if(start<0||this.length<start||this.length<end){throw new RangeError("Out of range index")}if(end<=start){return this}start=start>>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i<end;i++){this[i]=val}}else{var bytes=Buffer.isBuffer(val)?val:utf8ToBytes(new Buffer(val,encoding).toString());var len=bytes.length;for(i=0;i<end-start;i++){this[i+start]=bytes[i%len]}}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){units=units||Infinity;var codePoint;var length=string.length;var leadSurrogate=null;var bytes=[];for(var i=0;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isnan(val){return val!==val}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":86,ieee754:90,isarray:88}],88:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],89:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}throw TypeError('Uncaught, unspecified "error" event.')}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:args=Array.prototype.slice.call(arguments,1);handler.apply(this,args)}}else if(isObject(handler)){args=Array.prototype.slice.call(arguments,1);listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);

if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-->0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else if(listeners){while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.prototype.listenerCount=function(type){if(this._events){var evlistener=this._events[type];if(isFunction(evlistener))return 1;else if(evlistener)return evlistener.length}return 0};EventEmitter.listenerCount=function(emitter,type){return emitter.listenerCount(type)};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],90:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],91:[function(require,module,exports){var process=module.exports={};var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=setTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;clearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){setTimeout(drainQueue,0)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}]},{},[1])(1)});

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