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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 13x 13x 1x 1x 12x 12x 12x 12x 13x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 13x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 7x 7x 7x 7x 7x 7x | /** * @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. */ /* eslint-disable no-restricted-syntax, no-invalid-this */ 'use strict'; // MODULES // var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); var inherits = require( '@stdlib/utils/inherit' ); var stride2offset = require( '@stdlib/strided/base/stride2offset' ); var readDataView = require( '@stdlib/strided/base/read-dataview' ).ndarray; var Memory = require( '@stdlib/wasm/memory' ); var arrays2ptrs = require( '@stdlib/wasm/base/arrays2ptrs' ); var strided2object = require( '@stdlib/wasm/base/strided2object' ); var Module = require( './module.js' ); // MAIN // /** * Routine constructor. * * @private * @constructor * @returns {Routine} routine instance * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * // Create a new routine: * var dcumax = new Routine(); * * // Initialize the module: * dcumax.initializeSync(); * * // Define strided arrays: * var x = new Float64Array( [ 1.0, -2.0, 2.0 ] ); * var y = new Float64Array( x.length ); * * // Perform operation: * dcumax.main( x.length, x, 1, y, 1 ); * // y => <Float64Array>[ 1.0, 1.0, 2.0 ] * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * // Create a new routine: * var dcumax = new Routine(); * * // Initialize the module: * dcumax.initializeSync(); * * // Define strided arrays: * var x = new Float64Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] ); * var y = new Float64Array( x.length ); * * // Perform operation: * dcumax.ndarray( 4, x, 2, 1, y, 1, 0 ); * // y => <Float64Array>[ 1.0, 1.0, 2.0, 4.0, 0.0, 0.0, 0.0, 0.0 ] */ function Routine() { if ( !( this instanceof Routine ) ) { return new Routine(); } Module.call( this, new Memory({ 'initial': 0 })); return this; } // Inherit from the parent constructor: inherits( Routine, Module ); /** * Compute the cumulative maximum of double-precision floating-point strided array elements. * * @name main * @memberof Routine.prototype * @readonly * @type {Function} * @param {PositiveInteger} N - number of indexed elements * @param {Float64Array} x - input array * @param {integer} strideX - `x` stride length * @param {Float64Array} y - output array * @param {integer} strideY - `y` stride length * @returns {Float64Array} output array * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * // Create a new routine: * var dcumax = new Routine(); * * // Initialize the module: * dcumax.initializeSync(); * * // Define strided arrays: * var x = new Float64Array( [ 1.0, -2.0, 2.0 ] ); * var y = new Float64Array( x.length ); * * // Perform operation: * dcumax.main( x.length, x, 1, y, 1 ); * // y => <Float64Array>[ 1.0, 1.0, 2.0 ] */ setReadOnly( Routine.prototype, 'main', function dcumax( N, x, strideX, y, strideY ) { return this.ndarray( N, x, strideX, stride2offset( N, strideX ), y, strideY, stride2offset( N, strideY ) ); // eslint-disable-line max-len }); /** * Computes the cumulative maximum of double-precision floating-point strided array elements using alternative indexing semantics. * * @name ndarray * @memberof Routine.prototype * @readonly * @type {Function} * @param {PositiveInteger} N - number of indexed elements * @param {Float64Array} x - input array * @param {integer} strideX - `x` stride length * @param {NonNegativeInteger} offsetX - starting `x` index * @param {Float64Array} y - output array * @param {integer} strideY - `y` stride length * @param {NonNegativeInteger} offsetY - starting `y` index * @returns {Float64Array} output array * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * // Create a new routine: * var dcumax = new Routine(); * * // Initialize the module: * dcumax.initializeSync(); * * // Define strided arrays: * var x = new Float64Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] ); * var y = new Float64Array( x.length ); * * // Perform operation: * dcumax.ndarray( 4, x, 2, 1, y, 1, 0 ); * // y => <Float64Array>[ 1.0, 1.0, 2.0, 4.0, 0.0, 0.0, 0.0, 0.0 ] */ setReadOnly( Routine.prototype, 'ndarray', function dcumax( N, x, strideX, offsetX, y, strideY, offsetY ) { var ptrs; var p0; var p1; // Convert the input arrays to "pointers" in the module's memory: ptrs = arrays2ptrs( this, [ strided2object( N, x, strideX, offsetX ), strided2object( N, y, strideY, offsetY ) ]); p0 = ptrs[ 0 ]; p1 = ptrs[ 1 ]; // Perform computation by calling the corresponding parent method: Module.prototype.ndarray.call( this, N, p0.ptr, p0.stride, p0.offset, p1.ptr, p1.stride, p1.offset ); // eslint-disable-line max-len // If the output array data had to be copied to module memory, copy the results to the provided output array... if ( p1.copy ) { readDataView( N, this.view, p1.stride*p1.BYTES_PER_ELEMENT, p1.ptr, y, strideY, offsetY, true ); // eslint-disable-line max-len } return y; }); // EXPORTS // module.exports = Routine; |