index.js (1724B)
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 compute the dot product of vectors `x` and `y` with extended accumulation and result. 23 * 24 * @module @stdlib/blas/base/dsdot 25 * 26 * @example 27 * var Float32Array = require( '@stdlib/array/float32' ); 28 * var dsdot = require( '@stdlib/blas/base/dsdot' ); 29 * 30 * var x = new Float32Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); 31 * var y = new Float32Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); 32 * 33 * var z = dsdot( x.length, x, 1, y, 1 ); 34 * // returns -12.0 35 * 36 * @example 37 * var Float32Array = require( '@stdlib/array/float32' ); 38 * var dsdot = require( '@stdlib/blas/base/dsdot' ); 39 * 40 * var x = new Float32Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); 41 * var y = new Float32Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); 42 * 43 * var z = dsdot.ndarray( x.length, x, 1, 0, y, 1, 0 ); 44 * // returns -12.0 45 */ 46 47 // MODULES // 48 49 var join = require( 'path' ).join; 50 var tryRequire = require( '@stdlib/utils/try-require' ); 51 var dsdot = require( './main.js' ); 52 53 54 // MAIN // 55 56 var tmp = tryRequire( join( __dirname, './native.js' ) ); 57 if ( !(tmp instanceof Error) ) { 58 dsdot = tmp; 59 } 60 61 62 // EXPORTS // 63 64 module.exports = dsdot;