Sha256: 9e1772f078d63ae37ecd3f6b07f0fa2f1292b405eff4cf474dfb0c2548fc0965
Contents?: true
Size: 808 Bytes
Versions: 46
Compression:
Stored size: 808 Bytes
Contents
// Credit:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/round
// #Decimal_rounding
"use strict";
var isValue = require("../object/is-value")
, ensureInteger = require("../object/ensure-integer");
var split = String.prototype.split;
module.exports = function (type) {
return function (value/*, exp*/) {
value = Number(value);
var exp = arguments[1];
if (isValue(exp)) exp = ensureInteger(exp);
if (!value) return value;
if (!exp) return Math[type](value);
if (!isFinite(value)) return value;
// Shift
var tokens = split.call(value, "e");
value = Math[type](tokens[0] + "e" + ((tokens[1] || 0) - exp));
// Shift back
tokens = value.toString().split("e");
return Number(tokens[0] + "e" + (Number(tokens[1] || 0) + exp));
};
};
Version data entries
46 entries across 46 versions & 2 rubygems