index.js (1963B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2021 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 /** 22 * Apply a unary callback to elements in an input ndarray and assign results to elements in an output ndarray. 23 * 24 * @module @stdlib/ndarray/base/unary 25 * 26 * @example 27 * var Float64Array = require( '@stdlib/array/float64' ); 28 * var unary = require( '@stdlib/ndarray/base/unary' ); 29 * 30 * function scale( x ) { 31 * return x * 10.0; 32 * } 33 * 34 * // Create data buffers: 35 * var xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); 36 * var ybuf = new Float64Array( 6 ); 37 * 38 * // Define the shape of the input and output arrays: 39 * var shape = [ 3, 1, 2 ]; 40 * 41 * // Define the array strides: 42 * var sx = [ 4, 4, 1 ]; 43 * var sy = [ 2, 2, 1 ]; 44 * 45 * // Define the index offsets: 46 * var ox = 1; 47 * var oy = 0; 48 * 49 * // Create the input and output ndarray-like objects: 50 * var x = { 51 * 'dtype': 'float64', 52 * 'data': xbuf, 53 * 'shape': shape, 54 * 'strides': sx, 55 * 'offset': ox, 56 * 'order': 'row-major' 57 * }; 58 * var y = { 59 * 'dtype': 'float64', 60 * 'data': ybuf, 61 * 'shape': shape, 62 * 'strides': sy, 63 * 'offset': oy, 64 * 'order': 'row-major' 65 * }; 66 * 67 * // Apply the unary function: 68 * unary( [ x, y ], scale ); 69 * 70 * console.log( y.data ); 71 * // => <Float64Array>[ 20.0, 30.0, 60.0, 70.0, 100.0, 110.0 ] 72 */ 73 74 // MODULES // 75 76 var unary = require( './main.js' ); 77 78 79 // EXPORTS // 80 81 module.exports = unary;