main.js (1489B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 'use strict'; 20 21 // MODULES // 22 23 var fcn = require( './modf.js' ); 24 25 26 // MAIN // 27 28 /** 29 * Decomposes a double-precision floating-point number into integral and fractional parts, each having the same type and sign as the input value. 30 * 31 * @param {(Array|TypedArray|Object)} [out] - output array 32 * @param {number} x - input value 33 * @returns {(Array|TypedArray|Object)} output array 34 * 35 * @example 36 * var parts = modf( 3.14 ); 37 * // returns [ 3.0, 0.14000000000000012 ] 38 * 39 * @example 40 * var Float64Array = require( '@stdlib/array/float64' ); 41 * 42 * var out = new Float64Array( 2 ); 43 * 44 * var parts = modf( out, 3.14 ); 45 * // returns <Float64Array>[ 3.0, 0.14000000000000012 ] 46 * 47 * var bool = ( parts === out ); 48 * // returns true 49 */ 50 function modf( out, x ) { 51 if ( arguments.length === 1 ) { 52 return fcn( [ 0.0, 0.0 ], out ); 53 } 54 return fcn( out, x ); 55 } 56 57 58 // EXPORTS // 59 60 module.exports = modf;