'use strict'; module.exports = function (math) { var util = require('../../util/index'), BigNumber = math.type.BigNumber, Complex = require('../../type/Complex'), collection = math.collection, isNumber = util.number.isNumber, isBoolean = util['boolean'].isBoolean, isComplex = Complex.isComplex, isCollection = collection.isCollection; /** * Compute the cube of a value, `x * x * x`. * For matrices, the function is evaluated element wise. * * Syntax: * * math.cube(x) * * Examples: * * math.cube(2); // returns Number 8 * math.pow(2, 3); // returns Number 8 * math.cube(4); // returns Number 64 * 4 * 4 * 4; // returns Number 64 * * math.cube([1, 2, 3, 4]); // returns Array [1, 8, 27, 64] * * See also: * * multiply, square, pow * * @param {Number | BigNumber | Boolean | Complex | Array | Matrix | null} x Number for which to calculate the cube * @return {Number | BigNumber | Complex | Array | Matrix} Cube of x */ math.cube = function cube(x) { if (arguments.length != 1) { throw new math.error.ArgumentsError('cube', arguments.length, 1); } if (isNumber(x)) { return x * x * x; } if (isComplex(x)) { return math.multiply(math.multiply(x, x), x); } if (x instanceof BigNumber) { return x.times(x).times(x); } if (isCollection(x)) { return collection.deepMap(x, cube); } if (isBoolean(x) || x === null) { return cube(+x); } throw new math.error.UnsupportedTypeError('cube', math['typeof'](x)); }; };