Equation.js/dist/operators.js

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2015-04-20 09:28:11 +00:00
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
/*
* Operators and Functions
* fn: function used to evaluate value
* format: the format using which arguments are parsed:
* 0 indicates an argument and 1 indicates the operator
* e.g: factorial is 01, add is 010, like 2!, 2+2
* precedence: determines which operators should be evaluated first
* the lower the value, the higher the precedence
*/
exports['default'] = {
'^': {
fn: function fn(a, b) {
return Math.pow(a, b);
},
format: '010',
precedence: 0
},
'*': {
fn: function fn(a, b) {
return a * b;
},
format: '010',
precedence: 1
},
'/': {
fn: function fn(a, b) {
return a / b;
},
format: '010',
precedence: 1
},
'%': {
fn: function fn(a, b) {
return a % b;
},
format: '010',
precedence: 1
},
'\\': {
fn: function fn(a, b) {
return Math.floor(a / b);
},
format: '010',
precedence: 1
},
'+': {
fn: function fn(a, b) {
return a + b;
},
format: '010',
precedence: 2
},
'-': {
fn: function fn(a, b) {
return a - b;
},
format: '010',
precedence: 2
},
'!': {
fn: function fn(a) {
var sum = 1;
for (var i = 0; i < a; ++i) {
sum *= i;
}
return sum;
},
format: '01',
precedence: 2
},
log: {
fn: Math.log,
format: '10',
precedence: -1
},
ln: {
fn: Math.log,
format: '10',
precedence: -1
},
lg: {
fn: function fn(a) {
return Math.log(a) / Math.log(2);
},
format: '10',
precedence: -1
},
sin: {
fn: Math.sin,
format: '10',
precedence: -1
},
cos: {
fn: Math.cos,
format: '10',
precedence: -1
},
tan: {
fn: Math.tan,
format: '10',
precedence: -1
},
cot: {
fn: Math.cot,
format: '10',
precedence: -1
},
round: {
fn: Math.round,
format: '10',
precedence: -1
},
floor: {
fn: Math.floor,
format: '10',
precedence: -1
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}
};
module.exports = exports['default'];