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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 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x | /** * @license Apache-2.0 * * Copyright (c) 2024 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'; /** * WebAssembly routine to apply a plane rotation. * * @module @stdlib/blas/base/wasm/csrot * * @example * var Complex64Array = require( '@stdlib/array/complex64' ); * var csrot = require( '@stdlib/blas/base/wasm/csrot' ); * * // Define strided arrays... * var cx = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); * var cy = new Complex64Array( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] ); * * // Perform operation: * csrot.main( cx.length, cx, 1, cy, 1, 0.8, 0.6 ); * // cx => <Complex64Array>[ ~0.8, ~1.6, ~2.4, ~3.2, 4.0, ~4.8, ~5.6, ~6.4 ] * // cy => <Complex64Array>[ ~-0.6, ~-1.2, ~-1.8, ~-2.4, -3.0, ~-3.6, ~-4.2, ~-4.8 ] * * @example * var Complex64Array = require( '@stdlib/array/complex64' ); * var Complex64 = require( '@stdlib/complex/float32/ctor' ); * var csrot = require( '@stdlib/blas/base/wasm/csrot' ); * * // Define strided arrays... * var cx = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); * var cy = new Complex64Array( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] ); * * // Perform operation: * csrot.ndarray( cx.length, cx, 1, 0, cy, 1, 0, 0.8, 0.6 ); * // cx => <Complex64Array>[ ~0.8, ~1.6, ~2.4, ~3.2, 4.0, ~4.8, ~5.6, ~6.4 ] * // cy => <Complex64Array>[ ~-0.6, ~-1.2, ~-1.8, ~-2.4, -3.0, ~-3.6, ~-4.2, ~-4.8 ] * * @example * var Memory = require( '@stdlib/wasm/memory' ); * var oneTo = require( '@stdlib/array/one-to' ); * var ones = require( '@stdlib/array/ones' ); * var zeros = require( '@stdlib/array/zeros' ); * var bytesPerElement = require( '@stdlib/ndarray/base/bytes-per-element' ); * var Complex64Array = require( '@stdlib/array/complex64' ); * var reinterpretComplex64 = require( '@stdlib/strided/base/reinterpret-complex64' ); * var csrot = require( '@stdlib/blas/base/wasm/csrot' ); * * // Create a new memory instance with an initial size of 10 pages (320KiB) and a maximum size of 100 pages (6.4MiB): * var mem = new Memory({ * 'initial': 10, * 'maximum': 100 * }); * * // Create a BLAS routine: * var mod = new csrot.Module( mem ); * // returns <Module> * * // Initialize the routine: * mod.initializeSync(); * * // Define a vector data type: * var dtype = 'complex64'; * * // Specify a vector length: * var N = 5; * * // Define pointers (i.e., byte offsets) for storing input vectors: * var cxptr = 0; * var cyptr = N * bytesPerElement( dtype ); * * // Write vector values to module memory: * var xbuf = oneTo( N*2, 'float32' ); * var cx = new Complex64Array( xbuf.buffer ); * mod.write( cxptr, cx ); * * var ybuf = ones( N*2, 'float32' ); * var cy = new Complex64Array( ybuf.buffer ); * mod.write( cyptr, cy ); * * // Perform computation: * mod.main( N, cxptr, 1, cyptr, 1, 0.8, 0.6 ); * * // Read out the results: * var viewX = zeros( N, dtype ); * var viewY = zeros( N, dtype ); * mod.read( cxptr, viewX ); * mod.read( cyptr, viewY ); * * console.log( reinterpretComplex64( viewY, 0 ) ); * // => <Float32Array>[ ~0.2, ~-0.4, -1.0, ~-1.6, ~-2.2, ~-2.8, ~-3.4, -4.0, ~-4.6, ~-5.2 ] * * console.log( reinterpretComplex64( viewX, 0 ) ); * // => <Float32Array>[ ~1.4, ~2.2, 3.0, ~3.8, ~4.6, ~5.4, ~6.2, 7.0, ~7.8, ~8.6 ] */ // MODULES // var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); var main = require( './main.js' ); var Module = require( './module.js' ); // MAIN // setReadOnly( main, 'Module', Module ); // EXPORTS // module.exports = main; // exports: { "Module": "main.Module" } |