From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 .../dist/browser/math-expression-evaluator.js      | 636 +++++++++++++++++++++
 1 file changed, 636 insertions(+)
 create mode 100755 node_modules/math-expression-evaluator/dist/browser/math-expression-evaluator.js

(limited to 'node_modules/math-expression-evaluator/dist/browser/math-expression-evaluator.js')

diff --git a/node_modules/math-expression-evaluator/dist/browser/math-expression-evaluator.js b/node_modules/math-expression-evaluator/dist/browser/math-expression-evaluator.js
new file mode 100755
index 00000000..74d8e672
--- /dev/null
+++ b/node_modules/math-expression-evaluator/dist/browser/math-expression-evaluator.js
@@ -0,0 +1,636 @@
+/** math-expression-evaluator version 1.2.17
+ Dated:2017-04-28 */
+
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.mexp = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+var Mexp=require('./postfix_evaluator.js');
+Mexp.prototype.formulaEval = function () {
+	"use strict";
+	var stack=[],pop1,pop2,pop3;
+	var disp=[];
+	var temp='';
+	var arr=this.value;
+	for(var i=0;i<arr.length;i++){
+		if(arr[i].type===1||arr[i].type===3){
+			disp.push({value:arr[i].type===3?arr[i].show:arr[i].value,type:1});
+		}
+		else if(arr[i].type===13){
+			disp.push({value:arr[i].show,type:1});
+		}
+		else if(arr[i].type===0){
+			disp[disp.length-1]={value:arr[i].show+(arr[i].show!="-"?"(":"")+disp[disp.length-1].value+(arr[i].show!="-"?")":""),type:0};
+		}
+		else if(arr[i].type===7){
+			disp[disp.length-1]={value:(disp[disp.length-1].type!=1?"(":"")+disp[disp.length-1].value+(disp[disp.length-1].type!=1?")":"")+arr[i].show,type:7};
+		}
+		else if(arr[i].type===10){
+			pop1=disp.pop();
+			pop2=disp.pop();
+			if(arr[i].show==='P'||arr[i].show==='C')disp.push({value:"<sup>"+pop2.value+"</sup>"+arr[i].show+"<sub>"+pop1.value+"</sub>",type:10});
+			else disp.push({value:(pop2.type!=1?"(":"")+pop2.value+(pop2.type!=1?")":"")+"<sup>"+pop1.value+"</sup>",type:1});
+		}
+		else if(arr[i].type===2||arr[i].type===9){
+			pop1=disp.pop();
+			pop2=disp.pop();
+			disp.push({value:(pop2.type!=1?"(":"")+pop2.value+(pop2.type!=1?")":"")+arr[i].show+(pop1.type!=1?"(":"")+pop1.value+(pop1.type!=1?")":""),type:arr[i].type});
+		}
+		else if(arr[i].type===12){
+			pop1=disp.pop();
+			pop2=disp.pop();
+			pop3=disp.pop();
+			disp.push({value:arr[i].show+"("+pop3.value+","+pop2.value+","+pop1.value+")",type:12});
+		}
+	}
+	return disp[0].value;
+};
+module.exports=Mexp;
+},{"./postfix_evaluator.js":5}],2:[function(require,module,exports){
+var Mexp=require('./math_function.js');
+	function inc(arr,val){
+		for(var i=0;i<arr.length;i++)
+			arr[i]+=val;
+		return arr;
+	}
+	var token=['sin','cos','tan','pi','(',')','P','C',
+		  'asin','acos','atan','7','8','9','int',
+		  'cosh','acosh','ln','^','root','4','5','6','/','!',
+		  'tanh','atanh','Mod','1','2','3','*',
+		  'sinh','asinh','e','log','0','.','+','-',',','Sigma','n','Pi','pow'];
+	var show=['sin','cos','tan','&pi;','(',')','P','C',
+		'asin','acos','atan','7','8','9','Int',
+		'cosh','acosh',' ln','^','root','4','5','6','&divide;','!',
+		'tanh','atanh',' Mod ','1','2','3','&times;',
+		'sinh','asinh','e',' log','0','.','+','-',',','&Sigma;','n','&Pi;','pow'];
+	var eva=[Mexp.math.sin,Mexp.math.cos,Mexp.math.tan,'PI','(',')',Mexp.math.P,Mexp.math.C,
+		Mexp.math.asin,Mexp.math.acos,Mexp.math.atan,'7','8','9',Math.floor,
+		Mexp.math.cosh,Mexp.math.acosh,Math.log,Math.pow,Math.sqrt,'4','5','6',Mexp.math.div,Mexp.math.fact,
+		Mexp.math.tanh,Mexp.math.atanh,Mexp.math.mod,'1','2','3',Mexp.math.mul,
+		Mexp.math.sinh,Mexp.math.asinh,'E',Mexp.math.log,'0','.',Mexp.math.add,Mexp.math.sub,',',Mexp.math.sigma,'n',Mexp.math.Pi,Math.pow];
+	var preced={0:11,1:0,2:3,3:0,4:0,5:0,6:0,7:11,8:11,9:1,10:10,11:0,12:11,13:0};
+	var type=[0,0,0,3,4,5,10,10,
+		0,0,0,1,1,1,0,
+		0,0,0,10,0,1,1,1,2,7,
+		0,0,2,1,1,1,2,
+		0,0,3,0,1,6,9,9,11,12,13,12,8];
+	 /*
+	0 : function with syntax function_name(Maths_exp)
+	1 : numbers
+	2 : binary operators like * / Mod left associate and same precedence
+	3 : Math constant values like e,pi,Cruncher ans
+	4 : opening bracket
+	5 : closing bracket
+	6 : decimal
+	7 : function with syntax (Math_exp)function_name
+	8: function with syntax function_name(Math_exp1,Math_exp2)
+	9 : binary operator like +,-
+	10: binary operator like P C or ^
+	11: ,
+	12: function with , seperated three parameters
+	13: variable of Sigma function
+	 */
+	var type0={0:true,1:true,3:true,4:true,6:true,8:true,9:true,12:true,13:true},//type2:true,type4:true,type9:true,type11:true,type21:true,type22
+	type1={0:true,1:true,2:true,3:true,4:true,5:true,6:true,7:true,8:true,9:true,10:true,11:true,12:true,13:true},//type3:true,type5:true,type7:true,type23
+	type_1={0:true,3:true,4:true,8:true,12:true,13:true},
+	empty={},
+	type_3={0:true,1:true,3:true,4:true,6:true,8:true,12:true,13:true},//type_5:true,type_7:true,type_23
+	type6={1:true},
+	newAr=[[],
+			["1","2","3","7","8","9","4","5","6","+","-","*","/","(",")","^","!","P","C","e","0",".",",","n"],
+			["pi","ln","Pi"],
+			["sin","cos","tan","Del","int","Mod","log","pow"],
+			["asin","acos","atan","cosh","root","tanh","sinh"],
+			["acosh","atanh","asinh","Sigma"]];
+	function match(str1,str2,i,x){
+		for(var f=0;f<x;f++){
+			if (str1[i+f]!==str2[f])
+				return false;
+		}
+		return true;
+	}
+	Mexp.addToken=function(tokens){
+		for(i=0;i<tokens.length;i++){
+			x=tokens[i].token.length;
+			var temp=-1;
+
+			//newAr is a specially designed data structure in which 1D array at location one of 2d array has all string with length 1 2 with 2 and so on
+
+			if (x<newAr.length)	//match to check if token is really huge and not existing
+								//if not checked it will break in next line as undefined index
+				for(y=0;y<newAr[x].length;y++){
+					if (tokens[i].token===newAr[x][y]){
+						temp=token.indexOf(newAr[x][y]);
+						break;
+					}
+				}
+			if (temp===-1) {
+				token.push(tokens[i].token);
+				type.push(tokens[i].type);
+				if(newAr.length<=tokens[i].token.length)
+					newAr[tokens[i].token.length]=[];
+				newAr[tokens[i].token.length].push(tokens[i].token);
+				eva.push(tokens[i].value);
+				show.push(tokens[i].show);
+			}
+			else {
+				token[temp]=tokens[i].token;
+				type[temp]=tokens[i].type;
+				eva[temp]=tokens[i].value;
+				show[temp]=tokens[i].show;
+			}
+		}
+	};
+	Mexp.lex=function(inp,tokens){
+		'use strict';
+		var str=[{type:4,value:"(",show:"(",pre:0}];
+		var ptc=[];	//Parenthesis to close at the beginning is after one token
+		var inpStr=inp;
+		var key;
+        var pcounter=0;
+		var allowed=type0;
+		var bracToClose=0;
+		var asterick=empty;
+		var prevKey='';
+		var i,x,y;
+		if(typeof tokens!=="undefined")
+			Mexp.addToken(tokens);
+		var obj={};
+		for(i=0;i<inpStr.length;i++){
+			if (inpStr[i]==' ') {
+				continue;
+			}
+			key='';
+			sec:for(x=(inpStr.length-i>(newAr.length-2)?newAr.length-1:inpStr.length-i);x>0;x--){
+				for(y=0;y<newAr[x].length;y++){
+					if (match(inpStr,newAr[x][y],i,x)){
+						key=newAr[x][y];
+						break sec;
+					}
+				}
+			}
+			i+=key.length-1;
+			if(key===''){
+				throw(new Mexp.exception("Can't understand after "+inpStr.slice(i)));
+			}
+			var index=token.indexOf(key);
+			var cToken=key;
+			var cType=type[index];
+			var cEv=eva[index];
+			var cPre=preced[cType];
+			var	cShow=show[index];
+			var pre=str[str.length-1];
+			for(j=ptc.length;j--;){	//loop over ptc
+				if(ptc[j]===0){
+					if([0,2,3,5,9,11,12,13].indexOf(cType)!==-1){
+						if(allowed[cType]!==true){
+							throw(new Mexp.exception(key+" is not allowed after "+prevKey));
+						}
+						str.push({value:")",type:5,pre:0,show:")"});
+						allowed=type1;
+						asterick=type_3;
+						inc(ptc,-1).pop();
+					}
+				}
+			}
+			if(allowed[cType]!==true){
+				throw(new Mexp.exception(key+" is not allowed after "+prevKey));
+			}
+			if(asterick[cType]===true){
+				cType=2;
+				cEv=Mexp.math.mul;
+				cShow="&times;";
+				cPre=3;
+				i=i-key.length;
+		 	}
+			obj={value:cEv,type:cType,pre:cPre,show:cShow};
+			if(cType===0){
+				allowed=type0;
+				asterick=empty;
+				inc(ptc,2).push(2);
+				str.push(obj);
+				str.push({value:"(",type:4,pre:0,show:"("});
+			}
+			else if(cType===1){
+				if(pre.type===1){
+					pre.value+=cEv;
+					inc(ptc,1);
+				}
+				else {
+					str.push(obj);
+				}
+				allowed=type1;
+				asterick=type_1;
+			}
+			else if(cType===2){
+				allowed=type0;
+				asterick=empty;
+				inc(ptc,2);
+				str.push(obj);
+			}
+			else if(cType===3){//constant
+				str.push(obj);
+				allowed=type1;
+				asterick=type_3;
+			}
+			else if(cType===4){
+                pcounter+=ptc.length;
+                ptc=[];
+				bracToClose++;
+				allowed=type0;
+				asterick=empty;
+				str.push(obj);
+			}
+			else if(cType===5){
+				if(!bracToClose){
+					throw(new Mexp.exception("Closing parenthesis are more than opening one, wait What!!!"));
+				}
+                while(pcounter--){	//loop over ptc
+    						str.push({value:")",type:5,pre:0,show:")"});
+    			}
+                pcounter=0;
+				bracToClose--;
+				allowed=type1;
+				asterick=type_3;
+				str.push(obj);
+			}
+			else if(cType===6){
+				if(pre.hasDec){
+					throw(new Mexp.exception("Two decimals are not allowed in one number"));
+				}
+				if(pre.type!==1){
+					pre={value:0,type:1,pre:0};	//pre needs to be changed as it will the last value now to be safe in later code
+					str.push(pre);
+					inc(ptc,-1);
+				}
+				allowed=type6;
+				inc(ptc,1);
+				asterick=empty;
+				pre.value+=cEv;
+				pre.hasDec=true;
+			}
+			else if(cType===7){
+				allowed=type1;
+				asterick=type_3;
+				inc(ptc,1);
+				str.push(obj);
+			}
+			if(cType===8){
+				allowed=type0;
+				asterick=empty;
+				inc(ptc,4).push(4);
+				str.push(obj);
+				str.push({value:"(",type:4,pre:0,show:"("});
+			}
+			else if(cType===9){
+				if(pre.type===9){
+					if(pre.value===Mexp.math.add){
+						pre.value=cEv;
+						pre.show=cShow;
+						inc(ptc,1);
+					}
+					else if(pre.value===Mexp.math.sub&&cShow==='-'){
+						pre.value=Mexp.math.add;
+						pre.show='+';
+						inc(ptc,1);
+					}
+				}
+				else if(pre.type!==5&&pre.type!==7&&pre.type!==1&&pre.type!==3&&pre.type!==13){//changesign only when negative is found
+					if(cToken==='-'){//do nothing for + token
+									//don't add with the above if statement as that will run the else statement of parent if on Ctoken +
+						allowed=type0;
+						asterick=empty;
+						inc(ptc,2).push(2);
+						str.push({value:Mexp.math.changeSign,type:0,pre:21,show:"-"});
+						str.push({value:"(",type:4,pre:0,show:"("});
+					}
+				}
+				else{
+					str.push(obj);
+					inc(ptc,2);
+				}
+				allowed=type0;
+				asterick=empty;
+			}
+			else if(cType===10){
+				allowed=type0;
+				asterick=empty;
+				inc(ptc,2);
+				str.push(obj);
+			}
+			else if(cType===11){
+				allowed=type0;
+				asterick=empty;
+				str.push(obj);
+			}
+			else if(cType===12){
+				allowed=type0;
+				asterick=empty;
+				inc(ptc,6).push(6);
+				str.push(obj);
+				str.push({value:"(",type:4,pre:0});
+			}
+			else if(cType===13){
+				allowed=type1;
+				asterick=type_3;
+				str.push(obj);
+			}
+			inc(ptc,-1);
+			prevKey=key;
+		}
+		for(var j=ptc.length;j--;){	//loop over ptc
+			if(ptc[j]===0){
+
+				str.push({value:")",show:")",type:5,pre:3});
+				inc(ptc,-1).pop();
+			}
+		}
+		if (allowed[5]!==true) {
+			throw(new Mexp.exception("complete the expression"));
+		}
+		while(bracToClose--)
+			str.push({value:")",show:")",type:5,pre:3});
+
+		str.push({type:5,value:")",show:")",pre:0});
+//        console.log(str);
+		return new Mexp(str);
+	};
+    module.exports=Mexp;
+
+},{"./math_function.js":3}],3:[function(require,module,exports){
+	var Mexp=function(parsed){
+		this.value=parsed;
+
+	};
+
+	Mexp.math={
+		isDegree:true, //mode of calculator
+		acos:function(x){
+			return (Mexp.math.isDegree?180/Math.PI*Math.acos(x):Math.acos(x));
+		},
+		add:function(a,b){
+			return a+b;
+		},
+		asin:function(x){
+			return (Mexp.math.isDegree?180/Math.PI*Math.asin(x):Math.asin(x));
+		},
+		atan:function(x){
+			return (Mexp.math.isDegree?180/Math.PI*Math.atan(x):Math.atan(x));
+		},
+		acosh:function(x){
+			return Math.log(x+Math.sqrt(x*x-1));
+		},
+		asinh:function(x){
+			return Math.log(x+Math.sqrt(x*x+1));
+		},
+		atanh:function(x){
+			return Math.log((1+x)/(1-x));
+		},
+		C:function(n,r){
+			var pro=1,other=n-r,choice=r;
+			if(choice<other){
+			choice=other;
+			other=r;
+			}
+			for(var i=choice+1;i<=n;i++)
+				pro*=i;
+			return pro/Mexp.math.fact(other);
+		},
+		changeSign:function(x){
+			return -x;
+		},
+		cos:function(x){
+			if(Mexp.math.isDegree)x=Mexp.math.toRadian(x);
+			return Math.cos(x);
+		},
+		cosh:function(x){
+			return (Math.pow(Math.E,x)+Math.pow(Math.E,-1*x))/2;
+		},
+		div:function(a,b){
+		return a/b;
+		},
+		fact:function(n) {
+		if(n%1!==0)return "NAN";
+			var pro=1;
+			for(var i=2;i<=n;i++)
+				pro*=i;
+			return pro;
+		},
+		inverse:function(x){
+			return 1/x;
+		},
+		log:function(i){
+			return Math.log(i)/Math.log(10);
+		},
+		mod:function(a,b){
+		return a%b;
+		},
+		mul:function(a,b){
+		return a*b;
+		},
+		P:function(n,r){var pro=1;
+			 for(var i=Math.floor(n)-Math.floor(r)+1;i<=Math.floor(n);i++)
+					pro*=i;
+					return pro;
+
+		},
+		Pi:function(low,high,ex){
+			var pro=1;
+			for(var i=low;i<=high;i++){
+				pro*=Number(ex.postfixEval({n:i}));
+			}
+			return pro;
+		},
+		pow10x:function(e){
+			var x=1;
+			while(e--){x*=10;}
+			return x;
+		},
+		sigma:function(low,high,ex){
+			var sum=0;
+			for(var i=low;i<=high;i++){
+				sum+=Number(ex.postfixEval({n:i}));
+			}
+			return sum;
+		},
+		sin:function(x){
+			if(Mexp.math.isDegree)x=Mexp.math.toRadian(x);
+			return Math.sin(x);
+		},
+		sinh:function(x){
+			return (Math.pow(Math.E,x)-Math.pow(Math.E,-1*x))/2;
+		},
+		sub:function(a,b){
+		return a-b;
+		},
+		tan:function(x){
+			if(Mexp.math.isDegree)x=Mexp.math.toRadian(x);
+			return Math.tan(x);
+		},
+		tanh:function(x){
+			return Mexp.sinha(x)/Mexp.cosha(x);
+		},
+		toRadian:function(x){
+			return x*Math.PI/180;
+		}
+	};
+	Mexp.exception=function(message){
+		this.message=message;
+	};
+    module.exports=Mexp;
+},{}],4:[function(require,module,exports){
+
+    var Mexp=require('./lexer.js');
+
+	Mexp.prototype.toPostfix = function () {
+		'use strict';
+		var post=[],elem,popped,prep,pre,ele;
+    	var stack=[{value:"(",type:4,pre:0}];
+		var arr=this.value;
+		for (var i=1; i < arr.length; i++) {
+			if(arr[i].type===1||arr[i].type===3||arr[i].type===13){	//if token is number,constant,or n(which is also a special constant in our case)
+				if(arr[i].type===1)
+					arr[i].value=Number(arr[i].value);
+				post.push(arr[i]);
+			}
+			else if(arr[i].type===4){
+				stack.push(arr[i]);
+			}
+			else if(arr[i].type===5){
+				while((popped=stack.pop()).type!==4){
+					post.push(popped);
+				}
+			}
+			else if(arr[i].type===11){
+				while((popped=stack.pop()).type!==4){
+					post.push(popped);
+				}
+				stack.push(popped);
+			}
+			else {
+				elem=arr[i];
+				pre=elem.pre;
+				ele=stack[stack.length-1];
+				prep=ele.pre;
+				var flag=ele.value=='Math.pow'&&elem.value=='Math.pow';
+				if(pre>prep)stack.push(elem);
+				else {
+					while(prep>=pre&&!flag||flag&&pre<prep){
+						popped=stack.pop();
+						ele=stack[stack.length-1];
+						post.push(popped);
+						prep=ele.pre;
+						flag=elem.value=='Math.pow'&&ele.value=='Math.pow';
+					}
+					stack.push(elem);
+				}
+			}
+		}
+		return new Mexp(post);
+	};
+    module.exports=Mexp;
+},{"./lexer.js":2}],5:[function(require,module,exports){
+var Mexp=require('./postfix.js');
+Mexp.prototype.postfixEval = function (UserDefined) {
+	'use strict';
+	UserDefined=UserDefined||{};
+	UserDefined.PI=Math.PI;
+	UserDefined.E=Math.E;
+	var stack=[],pop1,pop2,pop3;
+	var disp=[];
+	var temp='';
+	var arr=this.value;
+	var bool=(typeof UserDefined.n!=="undefined");
+	for(var i=0;i<arr.length;i++){
+		if(arr[i].type===1){
+			stack.push({value:arr[i].value,type:1});
+		}
+		else if(arr[i].type===3){
+			stack.push({value:UserDefined[arr[i].value],type:1});
+		}
+		else if(arr[i].type===0){
+			if(typeof stack[stack.length-1].type==="undefined"){
+				stack[stack.length-1].value.push(arr[i]);
+			}
+			else stack[stack.length-1].value=arr[i].value(stack[stack.length-1].value);
+		}
+		else if(arr[i].type===7){
+			if(typeof stack[stack.length-1].type==="undefined"){
+				stack[stack.length-1].value.push(arr[i]);
+			}
+			else stack[stack.length-1].value=arr[i].value(stack[stack.length-1].value);
+		}
+		else if(arr[i].type===8){
+			pop1=stack.pop();
+			pop2=stack.pop();
+			stack.push({type:1,value:arr[i].value(pop2.value,pop1.value)});
+		}
+		else if(arr[i].type===10){
+			pop1=stack.pop();
+			pop2=stack.pop();
+			if(typeof pop2.type==="undefined"){
+				pop2.value=pop2.concat(pop1);
+				pop2.value.push(arr[i]);
+				stack.push(pop2);
+			}
+			else if (typeof pop1.type==="undefined") {
+				pop1.unshift(pop2);
+				pop1.push(arr[i]);
+				stack.push(pop1);
+			}
+			else{
+				stack.push({type:1,value:arr[i].value(pop2.value,pop1.value)});
+            }
+		}
+		else if(arr[i].type===2||arr[i].type===9){
+			pop1=stack.pop();
+			pop2=stack.pop();
+			if(typeof pop2.type==="undefined"){
+                console.log(pop2);
+				pop2=pop2.concat(pop1);
+				pop2.push(arr[i]);
+				stack.push(pop2);
+			}
+			else if (typeof pop1.type==="undefined") {
+				pop1.unshift(pop2);
+				pop1.push(arr[i]);
+				stack.push(pop1);
+			}
+			else{
+				stack.push({type:1,value:arr[i].value(pop2.value,pop1.value)});
+			}
+		}
+		else if(arr[i].type===12){
+			pop1=stack.pop();
+			if (typeof pop1.type!=="undefined") {
+				pop1=[pop1];
+			}
+			pop2=stack.pop();
+			pop3=stack.pop();
+			stack.push({type:1,value:arr[i].value(pop3.value,pop2.value,new Mexp(pop1))});
+		}
+		else if(arr[i].type===13){
+			if(bool){
+				stack.push({value:UserDefined[arr[i].value],type:3});
+			}
+			else stack.push([arr[i]]);
+		}
+	}
+	if (stack.length>1) {
+		throw(new Mexp.exception("Uncaught Syntax error"));
+	}
+	return stack[0].value>1000000000000000?"Infinity":parseFloat(stack[0].value.toFixed(15));
+};
+Mexp.eval=function(str,tokens,obj){
+	if (typeof tokens==="undefined") {
+		return this.lex(str).toPostfix().postfixEval();
+	}
+	else if (typeof obj==="undefined") {
+		if (typeof tokens.length!=="undefined") 
+			return this.lex(str,tokens).toPostfix().postfixEval();
+		else
+			return this.lex(str).toPostfix().postfixEval(tokens);
+	}
+	else
+		return this.lex(str,tokens).toPostfix().postfixEval(obj);
+};
+module.exports=Mexp;
+},{"./postfix.js":4}]},{},[1])(1)
+});
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