index.js (1535B)
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 /** 22 * BLAS level 1 routine to compute the sum of absolute values. 23 * 24 * @module @stdlib/blas/base/dasum 25 * 26 * @example 27 * var Float64Array = require( '@stdlib/array/float64' ); 28 * var dasum = require( '@stdlib/blas/base/dasum' ); 29 * 30 * var x = new Float64Array( [ 1.0, -2.0, 3.0, -4.0, 5.0 ] ); 31 * 32 * var s = dasum( x.length, x, 1 ); 33 * // returns 15.0 34 * 35 * @example 36 * var Float64Array = require( '@stdlib/array/float64' ); 37 * var dasum = require( '@stdlib/blas/base/dasum' ); 38 * 39 * var x = new Float64Array( [ 1.0, -2.0, 3.0, -4.0, 5.0 ] ); 40 * 41 * var s = dasum.ndarray( x.length, x, 1, 0 ); 42 * // returns 15.0 43 */ 44 45 // MODULES // 46 47 var join = require( 'path' ).join; 48 var tryRequire = require( '@stdlib/utils/try-require' ); 49 var dasum = require( './main.js' ); 50 51 52 // MAIN // 53 54 var tmp = tryRequire( join( __dirname, './native.js' ) ); 55 if ( !(tmp instanceof Error) ) { 56 dasum = tmp; 57 } 58 59 60 // EXPORTS // 61 62 module.exports = dasum;