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- (function webpackUniversalModuleDefinition(root, factory) {
- if(typeof exports === 'object' && typeof module === 'object')
- module.exports = factory();
- else if(typeof define === 'function' && define.amd)
- define([], factory);
- else if(typeof exports === 'object')
- exports["Mexp"] = factory();
- else
- root["Mexp"] = factory();
- })(self, function() {
- return /******/ (() => { // webpackBootstrap
- /******/ var __webpack_modules__ = ({
- /***/ 28:
- /***/ ((module, __unused_webpack_exports, __webpack_require__) => {
- var Mexp=__webpack_require__(733);
- 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;
- /***/ }),
- /***/ 618:
- /***/ ((module, __unused_webpack_exports, __webpack_require__) => {
- "use strict";
- var Mexp = __webpack_require__(178)
- function inc(arr, val) {
- for (var i = 0; i < arr.length; i++) {
- arr[i] += val
- }
- return arr
- }
- var tokens = [
- { token: 'sin', show: 'sin', type: 0, value: Mexp.math.sin },
- { token: 'cos', show: 'cos', type: 0, value: Mexp.math.cos },
- { token: 'tan', show: 'tan', type: 0, value: Mexp.math.tan },
- { token: 'pi', show: 'π', type: 3, value: 'PI' },
- { token: '(', show: '(', type: 4, value: '(' },
- { token: ')', show: ')', type: 5, value: ')' },
- { token: 'P', show: 'P', type: 10, value: Mexp.math.P },
- { token: 'C', show: 'C', type: 10, value: Mexp.math.C },
- { token: ' ', show: ' ', type: 14, value: ' '.anchor },
- { token: 'asin', show: 'asin', type: 0, value: Mexp.math.asin },
- { token: 'acos', show: 'acos', type: 0, value: Mexp.math.acos },
- { token: 'atan', show: 'atan', type: 0, value: Mexp.math.atan },
- { token: '7', show: '7', type: 1, value: '7' },
- { token: '8', show: '8', type: 1, value: '8' },
- { token: '9', show: '9', type: 1, value: '9' },
- { token: 'int', show: 'Int', type: 0, value: Math.floor },
- { token: 'cosh', show: 'cosh', type: 0, value: Mexp.math.cosh },
- { token: 'acosh', show: 'acosh', type: 0, value: Mexp.math.acosh },
- { token: 'ln', show: ' ln', type: 0, value: Math.log },
- { token: '^', show: '^', type: 10, value: Math.pow },
- { token: 'root', show: 'root', type: 0, value: Math.sqrt },
- { token: '4', show: '4', type: 1, value: '4' },
- { token: '5', show: '5', type: 1, value: '5' },
- { token: '6', show: '6', type: 1, value: '6' },
- { token: '/', show: '÷', type: 2, value: Mexp.math.div },
- { token: '!', show: '!', type: 7, value: Mexp.math.fact },
- { token: 'tanh', show: 'tanh', type: 0, value: Mexp.math.tanh },
- { token: 'atanh', show: 'atanh', type: 0, value: Mexp.math.atanh },
- { token: 'Mod', show: ' Mod ', type: 2, value: Mexp.math.mod },
- { token: '1', show: '1', type: 1, value: '1' },
- { token: '2', show: '2', type: 1, value: '2' },
- { token: '3', show: '3', type: 1, value: '3' },
- { token: '*', show: '×', type: 2, value: Mexp.math.mul },
- { token: 'sinh', show: 'sinh', type: 0, value: Mexp.math.sinh },
- { token: 'asinh', show: 'asinh', type: 0, value: Mexp.math.asinh },
- { token: 'e', show: 'e', type: 3, value: 'E' },
- { token: 'log', show: ' log', type: 0, value: Mexp.math.log },
- { token: '0', show: '0', type: 1, value: '0' },
- { token: '.', show: '.', type: 6, value: '.' },
- { token: '+', show: '+', type: 9, value: Mexp.math.add },
- { token: '-', show: '-', type: 9, value: Mexp.math.sub },
- { token: ',', show: ',', type: 11, value: ',' },
- { token: 'Sigma', show: 'Σ', type: 12, value: Mexp.math.sigma },
- { token: 'n', show: 'n', type: 13, value: 'n' },
- { token: 'Pi', show: 'Π', type: 12, value: Mexp.math.Pi },
- { token: 'pow', show: 'pow', type: 8, value: Math.pow, numberOfArguments: 2 },
- { token: '&', show: '&', type: 9, value: Mexp.math.and },
- ]
- 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,
- 14: -1,
- 15: 11, // will be filtered after lexer
- } // stores precedence by types
- for (var i = 0; i < tokens.length; i++) {
- tokens[i].precedence = preced[tokens[i].type]
- }
- var type0 = {
- 0: true,
- 1: true,
- 3: true,
- 4: true,
- 6: true,
- 8: true,
- 9: true,
- 12: true,
- 13: true,
- 14: true,
- 15: true,
- } // type2:true,type4:true,type9:true,type11:true,type21:true,type22
- var 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,
- 15: true,
- } // type3:true,type5:true,type7:true,type23
- var type1Asterick = {
- 0: true,
- 3: true,
- 4: true,
- 8: true,
- 12: true,
- 13: true,
- 15: true,
- }
- var empty = {}
- var type3Asterick = {
- 0: true,
- 1: true,
- 3: true,
- 4: true,
- 6: true,
- 8: true,
- 12: true,
- 13: true,
- 15: true,
- } // type_5:true,type_7:true,type_23
- var type6 = {
- 1: true,
- }
- var 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.tokenTypes = {
- FUNCTION_WITH_ONE_ARG: 0,
- NUMBER: 1,
- BINARY_OPERATOR_HIGH_PRECENDENCE: 2,
- CONSTANT: 3,
- OPENING_PARENTHESIS: 4,
- CLOSING_PARENTHESIS: 5,
- DECIMAL: 6,
- POSTFIX_FUNCTION_WITH_ONE_ARG: 7,
- FUNCTION_WITH_N_ARGS: 8,
- BINARY_OPERATOR_LOW_PRECENDENCE: 9,
- BINARY_OPERATOR_PERMUTATION: 10,
- COMMA: 11,
- EVALUATED_FUNCTION: 12,
- EVALUATED_FUNCTION_PARAMETER: 13,
- SPACE: 14,
- }
- /**
-
- 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 and third parameter is a string that will be mexp string
- 13: variable of Sigma function
- */
- Mexp.addToken = function (newTokens) {
- for (var i = 0; i < newTokens.length; i++) {
- var x = newTokens[i].token.length
- var temp = -1
- if (newTokens[i].type === Mexp.tokenTypes.FUNCTION_WITH_N_ARGS && newTokens[i].numberOfArguments === undefined) {
- newTokens[i].numberOfArguments = 2
- }
- // newAr is a specially designed data structure index of 1d array = length of tokens
- newAr[x] = newAr[x] || []
- for (var y = 0; y < newAr[x].length; y++) {
- if (newTokens[i].token === newAr[x][y]) {
- temp = indexOfToken(newAr[x][y], tokens)
- break
- }
- }
- if (temp === -1) {
- tokens.push(newTokens[i])
- newTokens[i].precedence = preced[newTokens[i].type]
- if (newAr.length <= newTokens[i].token.length) {
- newAr[newTokens[i].token.length] = []
- }
- newAr[newTokens[i].token.length].push(newTokens[i].token)
- } else {
- // overwrite
- tokens[temp] = newTokens[i]
- newTokens[i].precedence = preced[newTokens[i].type]
- }
- }
- }
- function indexOfToken(key, tokens) {
- for (var search = 0; search < tokens.length; search++) {
- if (tokens[search].token === key) return search
- }
- return -1
- }
- function tokenize(string) {
- var nodes = []
- var length = string.length
- var key, x, y
- for (var i = 0; i < length; i++) {
- if (i < length - 1 && string[i] === ' ' && string[i + 1] === ' ') {
- continue
- }
- key = ''
- for (x = string.length - i > newAr.length - 2 ? newAr.length - 1 : string.length - i; x > 0; x--) {
- if (newAr[x] === undefined) continue
- for (y = 0; y < newAr[x].length; y++) {
- if (match(string, newAr[x][y], i, x)) {
- key = newAr[x][y]
- y = newAr[x].length
- x = 0
- }
- }
- }
- i += key.length - 1
- if (key === '') {
- throw new Mexp.Exception("Can't understand after " + string.slice(i))
- }
- nodes.push(tokens[indexOfToken(key, tokens)])
- }
- return nodes
- }
- var changeSignObj = {
- value: Mexp.math.changeSign,
- type: 0,
- pre: 21,
- show: '-',
- }
- var closingParObj = {
- value: ')',
- show: ')',
- type: 5,
- pre: 0,
- }
- var openingParObj = {
- value: '(',
- type: 4,
- pre: 0,
- show: '(',
- }
- Mexp.lex = function (inp, tokens) {
- 'use strict'
- var str = [openingParObj]
- var ptc = [] // Parenthesis to close at the beginning is after one token
- var inpStr = inp
- var allowed = type0
- var bracToClose = 0
- var asterick = empty
- var prevKey = ''
- var i
- if (typeof tokens !== 'undefined') {
- Mexp.addToken(tokens)
- }
- var obj = {}
- var nodes = tokenize(inpStr)
- for (i = 0; i < nodes.length; i++) {
- var node = nodes[i]
- if (node.type === 14) {
- if (
- i > 0 &&
- i < nodes.length - 1 &&
- nodes[i + 1].type === 1 &&
- (nodes[i - 1].type === 1 || nodes[i - 1].type === 6)
- ) {
- throw new Mexp.Exception('Unexpected Space')
- }
- continue
- }
- var cToken = node.token
- var cType = node.type
- var cEv = node.value
- var cPre = node.precedence
- var cShow = node.show
- var pre = str[str.length - 1]
- var j
- for (j = ptc.length; j--; ) {
- // loop over ptc
- if (ptc[j] === 0) {
- if ([0, 2, 3, 4, 5, 9, 11, 12, 13].indexOf(cType) !== -1) {
- if (allowed[cType] !== true) {
- throw new Mexp.Exception(cToken + ' is not allowed after ' + prevKey)
- }
- str.push(closingParObj)
- allowed = type1
- asterick = type3Asterick
- ptc.pop()
- }
- } else break
- }
- if (allowed[cType] !== true) {
- throw new Mexp.Exception(cToken + ' is not allowed after ' + prevKey)
- }
- if (asterick[cType] === true) {
- cType = 2
- cEv = Mexp.math.mul
- cShow = '×'
- cPre = 3
- i = i - 1
- }
- obj = {
- value: cEv,
- type: cType,
- pre: cPre,
- show: cShow,
- numberOfArguments: node.numberOfArguments,
- }
- if (cType === 0) {
- allowed = type0
- asterick = empty
- inc(ptc, 2)
- str.push(obj)
- if (nodes[i + 1].type !== 4) {
- str.push(openingParObj)
- ptc.push(2)
- }
- // bracToClose++
- } else if (cType === 1) {
- if (pre.type === 1) {
- pre.value += cEv
- inc(ptc, 1)
- } else {
- str.push(obj)
- }
- allowed = type1
- asterick = type1Asterick
- } 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 = type3Asterick
- } else if (cType === 4) {
- inc(ptc, 1)
- 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!!!')
- }
- bracToClose--
- allowed = type1
- asterick = type3Asterick
- str.push(obj)
- inc(ptc, 1)
- } 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 = type3Asterick
- inc(ptc, 1)
- str.push(obj)
- }
- if (cType === 8) {
- allowed = type0
- asterick = empty
- inc(ptc, node.numberOfArguments + 2)
- str.push(obj)
- // str.push(openingParObj)
- if (nodes[i + 1].type !== 4) {
- str.push(openingParObj)
- ptc.push(node.numberOfArguments + 2)
- }
- } 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(changeSignObj)
- str.push(openingParObj)
- }
- } 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)
- str.push(obj)
- if (nodes[i + 1].type !== 4) {
- str.push(openingParObj)
- ptc.push(6)
- }
- } else if (cType === 13) {
- allowed = type1
- asterick = type3Asterick
- str.push(obj)
- }
- inc(ptc, -1)
- prevKey = cToken
- }
- for (j = ptc.length; j--; ) {
- // loop over ptc
- str.push(closingParObj)
- }
- if (allowed[5] !== true) {
- throw new Mexp.Exception('complete the expression')
- }
- while (bracToClose--) {
- str.push(closingParObj)
- }
- str.push(closingParObj)
- // console.log(str);
- return new Mexp(str)
- }
- module.exports = Mexp
- /***/ }),
- /***/ 178:
- /***/ ((module) => {
- "use strict";
- 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
- var other = n - r
- var 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
- },
- and: function (a, b) {
- return a & b
- }
- }
- Mexp.Exception = function (message) {
- this.message = message
- }
- module.exports = Mexp
- /***/ }),
- /***/ 477:
- /***/ ((module, __unused_webpack_exports, __webpack_require__) => {
- var Mexp = __webpack_require__(618);
- 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;
- /***/ }),
- /***/ 733:
- /***/ ((module, __unused_webpack_exports, __webpack_require__) => {
- var Mexp = __webpack_require__(477)
- 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) {
- var popped = []
- for (var x = 0; x < arr[i].numberOfArguments; x++) {
- popped.push(stack.pop().value)
- }
- stack.push({ type: 1, value: arr[i].value.apply(arr[i], popped.reverse()) })
- } 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') {
- 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
- /***/ })
- /******/ });
- /************************************************************************/
- /******/ // The module cache
- /******/ var __webpack_module_cache__ = {};
- /******/
- /******/ // The require function
- /******/ function __webpack_require__(moduleId) {
- /******/ // Check if module is in cache
- /******/ var cachedModule = __webpack_module_cache__[moduleId];
- /******/ if (cachedModule !== undefined) {
- /******/ return cachedModule.exports;
- /******/ }
- /******/ // Create a new module (and put it into the cache)
- /******/ var module = __webpack_module_cache__[moduleId] = {
- /******/ // no module.id needed
- /******/ // no module.loaded needed
- /******/ exports: {}
- /******/ };
- /******/
- /******/ // Execute the module function
- /******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
- /******/
- /******/ // Return the exports of the module
- /******/ return module.exports;
- /******/ }
- /******/
- /************************************************************************/
- /******/
- /******/ // startup
- /******/ // Load entry module and return exports
- /******/ // This entry module is referenced by other modules so it can't be inlined
- /******/ var __webpack_exports__ = __webpack_require__(28);
- /******/
- /******/ return __webpack_exports__;
- /******/ })()
- ;
- });
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