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math-expression-evaluator - npm Package Compare versions

Comparing version 1.2.16 to 1.2.17

6

dist/browser/math-expression-evaluator.js

@@ -1,3 +0,3 @@

/** math-expression-evaluator version 1.2.16
Dated:2017-02-02 */
/** math-expression-evaluator version 1.2.17
Dated:2017-04-28 */

@@ -619,3 +619,3 @@ (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){

}
return stack[0].value>1000000000000000?"Infinity":Number(stack[0].value.toFixed(15)).toPrecision();
return stack[0].value>1000000000000000?"Infinity":parseFloat(stack[0].value.toFixed(15));
};

@@ -622,0 +622,0 @@ Mexp.eval=function(str,tokens,obj){

@@ -24,4 +24,4 @@ /*

*/
/** math-expression-evaluator version 1.2.16
Dated:2017-02-02 */
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/** math-expression-evaluator version 1.2.17
Dated:2017-04-28 */
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b=-1;if(x<s.length)for(y=0;y<s[x].length;y++)if(a[i].token===s[x][y]){b=g.indexOf(s[x][y]);break}b===-1?(g.push(a[i].token),l.push(a[i].type),s.length<=a[i].token.length&&(s[a[i].token.length]=[]),s[a[i].token.length].push(a[i].token),j.push(a[i].value),h.push(a[i].show)):(g[b]=a[i].token,l[b]=a[i].type,j[b]=a[i].value,h[b]=a[i].show)}},f.lex=function(a,b){"use strict";var c,i,t,u,v=[{type:4,value:"(",show:"(",pre:0}],w=[],x=a,y=0,z=m,A=0,B=p,C="";"undefined"!=typeof b&&f.addToken(b);var D={};for(i=0;i<x.length;i++)if(" "!=x[i]){c="";a:for(t=x.length-i>s.length-2?s.length-1:x.length-i;t>0;t--)for(u=0;u<s[t].length;u++)if(e(x,s[t][u],i,t)){c=s[t][u];break a}if(i+=c.length-1,""===c)throw new f.exception("Can't understand after "+x.slice(i));var E=g.indexOf(c),F=c,G=l[E],H=j[E],I=k[G],J=h[E],K=v[v.length-1];for(L=w.length;L--;)if(0===w[L]&&[0,2,3,5,9,11,12,13].indexOf(G)!==-1){if(z[G]!==!0)throw new f.exception(c+" is not allowed after "+C);v.push({value:")",type:5,pre:0,show:")"}),z=n,B=q,d(w,-1).pop()}if(z[G]!==!0)throw new f.exception(c+" is not allowed after "+C);if(B[G]===!0&&(G=2,H=f.math.mul,J="&times;",I=3,i-=c.length),D={value:H,type:G,pre:I,show:J},0===G)z=m,B=p,d(w,2).push(2),v.push(D),v.push({value:"(",type:4,pre:0,show:"("});else if(1===G)1===K.type?(K.value+=H,d(w,1)):v.push(D),z=n,B=o;else if(2===G)z=m,B=p,d(w,2),v.push(D);else if(3===G)v.push(D),z=n,B=q;else if(4===G)y+=w.length,w=[],A++,z=m,B=p,v.push(D);else if(5===G){if(!A)throw new f.exception("Closing parenthesis are more than opening one, wait What!!!");for(;y--;)v.push({value:")",type:5,pre:0,show:")"});y=0,A--,z=n,B=q,v.push(D)}else if(6===G){if(K.hasDec)throw new f.exception("Two decimals are not allowed in one number");1!==K.type&&(K={value:0,type:1,pre:0},v.push(K),d(w,-1)),z=r,d(w,1),B=p,K.value+=H,K.hasDec=!0}else 7===G&&(z=n,B=q,d(w,1),v.push(D));8===G?(z=m,B=p,d(w,4).push(4),v.push(D),v.push({value:"(",type:4,pre:0,show:"("})):9===G?(9===K.type?K.value===f.math.add?(K.value=H,K.show=J,d(w,1)):K.value===f.math.sub&&"-"===J&&(K.value=f.math.add,K.show="+",d(w,1)):5!==K.type&&7!==K.type&&1!==K.type&&3!==K.type&&13!==K.type?"-"===F&&(z=m,B=p,d(w,2).push(2),v.push({value:f.math.changeSign,type:0,pre:21,show:"-"}),v.push({value:"(",type:4,pre:0,show:"("})):(v.push(D),d(w,2)),z=m,B=p):10===G?(z=m,B=p,d(w,2),v.push(D)):11===G?(z=m,B=p,v.push(D)):12===G?(z=m,B=p,d(w,6).push(6),v.push(D),v.push({value:"(",type:4,pre:0})):13===G&&(z=n,B=q,v.push(D)),d(w,-1),C=c}for(var L=w.length;L--;)0===w[L]&&(v.push({value:")",show:")",type:5,pre:3}),d(w,-1).pop());if(z[5]!==!0)throw new f.exception("complete the expression");for(;A--;)v.push({value:")",show:")",type:5,pre:3});return v.push({type:5,value:")",show:")",pre:0}),new f(v)},b.exports=f},{"./math_function.js":3}],3:[function(a,b,c){var d=function(a){this.value=a};d.math={isDegree:!0,acos:function(a){return d.math.isDegree?180/Math.PI*Math.acos(a):Math.acos(a)},add:function(a,b){return a+b},asin:function(a){return d.math.isDegree?180/Math.PI*Math.asin(a):Math.asin(a)},atan:function(a){return d.math.isDegree?180/Math.PI*Math.atan(a):Math.atan(a)},acosh:function(a){return Math.log(a+Math.sqrt(a*a-1))},asinh:function(a){return Math.log(a+Math.sqrt(a*a+1))},atanh:function(a){return Math.log((1+a)/(1-a))},C:function(a,b){var c=1,e=a-b,f=b;f<e&&(f=e,e=b);for(var g=f+1;g<=a;g++)c*=g;return c/d.math.fact(e)},changeSign:function(a){return-a},cos:function(a){return d.math.isDegree&&(a=d.math.toRadian(a)),Math.cos(a)},cosh:function(a){return(Math.pow(Math.E,a)+Math.pow(Math.E,-1*a))/2},div:function(a,b){return a/b},fact:function(a){if(a%1!==0)return"NAN";for(var b=1,c=2;c<=a;c++)b*=c;return b},inverse:function(a){return 1/a},log:function(a){return Math.log(a)/Math.log(10)},mod:function(a,b){return a%b},mul:function(a,b){return a*b},P:function(a,b){for(var c=1,d=Math.floor(a)-Math.floor(b)+1;d<=Math.floor(a);d++)c*=d;return c},Pi:function(a,b,c){for(var d=1,e=a;e<=b;e++)d*=Number(c.postfixEval({n:e}));return d},pow10x:function(a){for(var b=1;a--;)b*=10;return b},sigma:function(a,b,c){for(var d=0,e=a;e<=b;e++)d+=Number(c.postfixEval({n:e}));return d},sin:function(a){return d.math.isDegree&&(a=d.math.toRadian(a)),Math.sin(a)},sinh:function(a){return(Math.pow(Math.E,a)-Math.pow(Math.E,-1*a))/2},sub:function(a,b){return a-b},tan:function(a){return d.math.isDegree&&(a=d.math.toRadian(a)),Math.tan(a)},tanh:function(a){return d.sinha(a)/d.cosha(a)},toRadian:function(a){return a*Math.PI/180}},d.exception=function(a){this.message=a},b.exports=d},{}],4:[function(a,b,c){var d=a("./lexer.js");d.prototype.toPostfix=function(){"use strict";for(var a,b,c,e,f,g=[],h=[{value:"(",type:4,pre:0}],i=this.value,j=1;j<i.length;j++)if(1===i[j].type||3===i[j].type||13===i[j].type)1===i[j].type&&(i[j].value=Number(i[j].value)),g.push(i[j]);else if(4===i[j].type)h.push(i[j]);else if(5===i[j].type)for(;4!==(b=h.pop()).type;)g.push(b);else if(11===i[j].type){for(;4!==(b=h.pop()).type;)g.push(b);h.push(b)}else{a=i[j],e=a.pre,f=h[h.length-1],c=f.pre;var k="Math.pow"==f.value&&"Math.pow"==a.value;if(e>c)h.push(a);else{for(;c>=e&&!k||k&&e<c;)b=h.pop(),f=h[h.length-1],g.push(b),c=f.pre,k="Math.pow"==a.value&&"Math.pow"==f.value;h.push(a)}}return new d(g)},b.exports=d},{"./lexer.js":2}],5:[function(a,b,c){var d=a("./postfix.js");d.prototype.postfixEval=function(a){"use strict";a=a||{},a.PI=Math.PI,a.E=Math.E;for(var b,c,e,f=[],g=this.value,h="undefined"!=typeof a.n,i=0;i<g.length;i++)1===g[i].type?f.push({value:g[i].value,type:1}):3===g[i].type?f.push({value:a[g[i].value],type:1}):0===g[i].type?"undefined"==typeof f[f.length-1].type?f[f.length-1].value.push(g[i]):f[f.length-1].value=g[i].value(f[f.length-1].value):7===g[i].type?"undefined"==typeof f[f.length-1].type?f[f.length-1].value.push(g[i]):f[f.length-1].value=g[i].value(f[f.length-1].value):8===g[i].type?(b=f.pop(),c=f.pop(),f.push({type:1,value:g[i].value(c.value,b.value)})):10===g[i].type?(b=f.pop(),c=f.pop(),"undefined"==typeof c.type?(c.value=c.concat(b),c.value.push(g[i]),f.push(c)):"undefined"==typeof b.type?(b.unshift(c),b.push(g[i]),f.push(b)):f.push({type:1,value:g[i].value(c.value,b.value)})):2===g[i].type||9===g[i].type?(b=f.pop(),c=f.pop(),"undefined"==typeof c.type?(console.log(c),c=c.concat(b),c.push(g[i]),f.push(c)):"undefined"==typeof b.type?(b.unshift(c),b.push(g[i]),f.push(b)):f.push({type:1,value:g[i].value(c.value,b.value)})):12===g[i].type?(b=f.pop(),"undefined"!=typeof b.type&&(b=[b]),c=f.pop(),e=f.pop(),f.push({type:1,value:g[i].value(e.value,c.value,new d(b))})):13===g[i].type&&(h?f.push({value:a[g[i].value],type:3}):f.push([g[i]]));if(f.length>1)throw new d.exception("Uncaught Syntax error");return f[0].value>1e15?"Infinity":parseFloat(f[0].value.toFixed(15))},d.eval=function(a,b,c){return"undefined"==typeof b?this.lex(a).toPostfix().postfixEval():"undefined"==typeof c?"undefined"!=typeof b.length?this.lex(a,b).toPostfix().postfixEval():this.lex(a).toPostfix().postfixEval(b):this.lex(a,b).toPostfix().postfixEval(c)},b.exports=d},{"./postfix.js":4}]},{},[1])(1)});
{
"name": "math-expression-evaluator",
"version": "1.2.16",
"version": "1.2.17",
"description": "A flexible math expression evaluator",

@@ -5,0 +5,0 @@ "main": "src/formula_evaluator.js",

@@ -90,3 +90,3 @@ var Mexp=require('./postfix.js');

}
return stack[0].value>1000000000000000?"Infinity":Number(stack[0].value.toFixed(15)).toPrecision();
return stack[0].value>1000000000000000?"Infinity":parseFloat(stack[0].value.toFixed(15));
};

@@ -93,0 +93,0 @@ Mexp.eval=function(str,tokens,obj){

@@ -124,2 +124,7 @@ // This test is for node JS

});
describe('These expression will check for types of returned result', function () {
it('should tell to compllete expression', function () {
assert.equal(typeof a.eval('0'), 'number')
});
});
describe('These expression will raise error', function () {

@@ -126,0 +131,0 @@ it('should tell to compllete expression', function () {

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