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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 7x 7x 7x 7x 7x 2x 2x 2x 2x 2x | /** * @license Apache-2.0 * * Copyright (c) 2025 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'; // MODULES // var reinterpret = require( '@stdlib/strided/base/reinterpret-complex128' ); var addon = require( './../src/addon.node' ); // MAIN // /** * Scales a double-precision complex floating-point vector by a double-precision complex floating-point constant. * * @param {PositiveInteger} N - number of indexed elements * @param {Complex128} alpha - scalar constant * @param {Complex128Array} x - input array * @param {integer} strideX - `x` stride length * @returns {Complex128Array} input array * * @example * var Complex128Array = require( '@stdlib/array/complex128' ); * var Complex128 = require( '@stdlib/complex/float64/ctor' ); * * var x = new Complex128Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); * var alpha = new Complex128( 2.0, 2.0 ); * * zscal( 3, alpha, x, 1 ); * // x => <Complex128Array>[ -2.0, 6.0, -2.0, 14.0, -2.0, 22.0 ] */ function zscal( N, alpha, x, strideX ) { var viewX = reinterpret( x, 0 ); addon( N, alpha, viewX, strideX ); return x; } // EXPORTS // module.exports = zscal; |