index.js (1845B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2020 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 * BLAS level 1 routine to interchange two double-precision floating-point vectors. 23 * 24 * @module @stdlib/blas/base/dswap 25 * 26 * @example 27 * var Float64Array = require( '@stdlib/array/float64' ); 28 * var dswap = require( '@stdlib/blas/base/dswap' ); 29 * 30 * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); 31 * var y = new Float64Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); 32 * 33 * dswap( x.length, x, 1, y, 1 ); 34 * // x => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ] 35 * // y => <Float64Array>[ 1.0, 2.0, 3.0, 4.0, 5.0 ] 36 * 37 * @example 38 * var Float64Array = require( '@stdlib/array/float64' ); 39 * var dswap = require( '@stdlib/blas/base/dswap' ); 40 * 41 * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); 42 * var y = new Float64Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); 43 * 44 * dswap.ndarray( x.length, x, 1, 0, y, 1, 0 ); 45 * // x => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ] 46 * // y => <Float64Array>[ 1.0, 2.0, 3.0, 4.0, 5.0 ] 47 */ 48 49 // MODULES // 50 51 var join = require( 'path' ).join; 52 var tryRequire = require( '@stdlib/utils/try-require' ); 53 var dswap = require( './main.js' ); 54 55 56 // MAIN // 57 58 var tmp = tryRequire( join( __dirname, './native.js' ) ); 59 if ( !(tmp instanceof Error) ) { 60 dswap = tmp; 61 } 62 63 64 // EXPORTS // 65 66 module.exports = dswap;