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@stdlib/strided

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/* * @license Apache-2.0 * * Copyright (c) 2020 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. */ // TypeScript Version: 4.1 /// <reference types="@stdlib/types"/> import { ArrayLike } from '@stdlib/types/array'; /** * Callback invoked for indexed strided input array elements. * * @param x - first strided array element * @param y - second strided array element * @returns result */ type Binary = ( x: any, y: any ) => any; /** * Interface describing `binary`. */ interface Routine { /** * Applies a binary callback to strided input array elements and assigns results to elements in a strided output array. * * @param arrays - array-like object containing two input arrays and one output array * @param shape - array-like object containing a single element, the number of indexed elements * @param strides - array-like object containing the stride lengths for the input and output arrays * @param fcn - binary callback * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * function add( x, y ) { * return x + y; * } * * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float64Array( x.length ); * * var shape = [ x.length ]; * var strides = [ 1, 1, 1 ]; * * binary( [ x, y, z ], shape, strides, add ); * * console.log( z ); * // => <Float64Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] */ ( arrays: ArrayLike<ArrayLike<any>>, shape: ArrayLike<number>, strides: ArrayLike<number>, fcn: Binary ): void; /** * Applies a binary callback to strided input array elements and assigns results to elements in a strided output array using alternative indexing semantics. * * @param arrays - array-like object containing two input arrays and one output array * @param shape - array-like object containing a single element, the number of indexed elements * @param strides - array-like object containing the stride lengths for the input and output arrays * @param offsets - array-like object containing the starting indices (i.e., index offsets) for the input and output arrays * @param fcn - binary callback * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * function add( x, y ) { * return x + y; * } * * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float64Array( x.length ); * * var shape = [ x.length ]; * var strides = [ 1, 1, 1 ]; * var offsets = [ 0, 0, 0 ]; * * binary.ndarray( [ x, y, z ], shape, strides, offsets, add ); * * console.log( z ); * // => <Float64Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] */ ndarray( arrays: ArrayLike<ArrayLike<any>>, shape: ArrayLike<number>, strides: ArrayLike<number>, offsets: ArrayLike<number>, fcn: Binary ): void; } /** * Applies a binary callback to strided input array elements and assigns results to elements in a strided output array. * * @param arrays - array-like object containing two input arrays and one output array * @param shape - array-like object containing a single element, the number of indexed elements * @param strides - array-like object containing the stride lengths for the input and output arrays * @param fcn - binary callback * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * function add( x, y ) { * return x + y; * } * * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float64Array( x.length ); * * var shape = [ x.length ]; * var strides = [ 1, 1, 1 ]; * * binary( [ x, y, z ], shape, strides, add ); * * console.log( z ); * // => <Float64Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] * * @example * var Float64Array = require( '@stdlib/array/float64' ); * * function add( x, y ) { * return x + y; * } * * var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float64Array( x.length ); * * var shape = [ x.length ]; * var strides = [ 1, 1, 1 ]; * var offsets = [ 0, 0, 0 ]; * * binary.ndarray( [ x, y, z ], shape, strides, offsets, add ); * * console.log( z ); * // => <Float64Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] */ declare var binary: Routine; // EXPORTS // export = binary;