module.exports = function (math) { var util = require('../../util/index'), BigNumber = require('bignumber.js'), Complex = require('../../type/Complex'), collection = require('../../type/collection'), isNumber = util.number.isNumber, isBoolean = util['boolean'].isBoolean, isCollection =collection.isCollection, isComplex = Complex.isComplex; /** * Round a value towards plus infinity * * ceil(x) * * For matrices, the function is evaluated element wise. * * @param {Number | BigNumber | Boolean | Complex | Array | Matrix} x * @return {Number | BigNumber | Complex | Array | Matrix} res */ math.ceil = function ceil(x) { if (arguments.length != 1) { throw new math.error.ArgumentsError('ceil', arguments.length, 1); } if (isNumber(x)) { return Math.ceil(x); } if (isComplex(x)) { return new Complex ( Math.ceil(x.re), Math.ceil(x.im) ); } if (x instanceof BigNumber) { return x.ceil(); } if (isCollection(x)) { return collection.deepMap(x, ceil); } if (isBoolean(x)) { return Math.ceil(x); } throw new math.error.UnsupportedTypeError('ceil', x); }; };