/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; /** * BLAS level 1 routine to compute the sum of absolute values. * * @module @stdlib/blas/base/sasum * * @example * var Float32Array = require( '@stdlib/array/float32' ); * var sasum = require( '@stdlib/blas/base/sasum' ); * * var x = new Float32Array( [ 1.0, -2.0, 3.0, -4.0, 5.0 ] ); * * var s = sasum( x.length, x, 1 ); * // returns 15.0 * * @example * var Float32Array = require( '@stdlib/array/float32' ); * var sasum = require( '@stdlib/blas/base/sasum' ); * * var x = new Float32Array( [ 1.0, -2.0, 3.0, -4.0, 5.0 ] ); * * var s = sasum.ndarray( x.length, x, 1, 0 ); * // returns 15.0 */ // MODULES // var join = require( 'path' ).join; var tryRequire = require( '@stdlib/utils/try-require' ); var sasum = require( './main.js' ); // MAIN // var tmp = tryRequire( join( __dirname, './native.js' ) ); if ( !(tmp instanceof Error) ) { sasum = tmp; } // EXPORTS // module.exports = sasum;