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| module.exports = {
ceil: function(val) {
return Math.ceil(val / 10) * 10;
},
round: function(n) {
return Math.round(n);
},
fround: function(n) {
return Math.fround(n)
},
/**
* Returns the largest integer less than or equal to the given number.
* @param n
* @returns {number}
*/
floor: function(n) {
return Math.floor(n);
},
sign: function(n) {
return Math.sign(n);
},
abs: function(n) {
return Math.abs(n)
},
imul: function(a, b) {
return Math.imul(a, b);
},
pow: function(base, exp) {
return Math.pow(base, exp);
},
square: function(val) {
return val * val;
},
cube: function(val) {
return val * val * val;
},
sqrt: function(n) {
return Math.sqrt(n);
},
cbrt: function (n) {
return Math.cbrt(n);
},
exp: function (n) {
return Math.exp(n);
},
expm1: function(n) {
return Math.expm1(n);
},
trunc: function(n) {
return Math.trunc(n);
},
greatestCommonDivisor: function gcd(x, y) {
var remainder = x % y;
if (remainder === 0) {
return y;
}
return gcd(y, remainder);
},
log: function (n) {
return Math.log(n);
},
log2: function (n) {
return Math.log2(n);
},
log10: function (n) {
return Math.log10(n);
},
log1p: function(n) {
return Math.log1p(n);
},
hypot: function(...arr) {
return Math.hypot(...arr);
},
/**
* Performs ceil in the n decimal digit of num
* @param num
* @param n
* @returns {number}
*/
dCeil: function(num, n) {
let multiplyValue = Math.pow(10, n);
console.log('dCeil', num, n, multiplyValue, Math.ceil(num / multiplyValue) * multiplyValue)
return Math.ceil(num * multiplyValue) / multiplyValue;
},
/**
* Performs round in the n decimal digit of num
* @param num
* @param n
* @returns {number}
*/
dRound: function(num, n) {
let multiplyValue = Math.pow(10, n);
return Math.round(num * multiplyValue) / multiplyValue;
},
/**
* Performs floor in the n decimal digit of num
* @param num
* @param n
* @returns {number}
*/
dFloor: function(num, n) {
let multiplyValue = Math.pow(10, n);
return Math.floor(num * multiplyValue) / multiplyValue;
},
/**
* Performs trunc in the n decimal digit of num
* @param num
* @param n
* @returns {number}
*/
dTrunc: function(num, n) {
let multiplyValue = Math.pow(10, n);
return Math.trunc(num * multiplyValue) / multiplyValue;
}
};
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