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@stdlib/array

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/* * @license Apache-2.0 * * Copyright (c) 2023 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 { Array4D } from '@stdlib/types/array'; import { Shape4D } from '@stdlib/types/ndarray'; /** * Binary callback. * * @param v1 - element from first input array * @param v2 - element from second input array * @returns result */ type Binary<T, U, V> = ( v1: T, v2: U ) => V; /** * Applies a binary callback to elements in two four-dimensional nested input arrays and assigns results to elements in a four-dimensional nested output array. * * ## Notes * * - The function assumes that the input and output arrays have the same shape. * * @param arrays - array containing two input nested arrays and one output nested array * @param shape - array shape * @param fcn - binary callback * * @example * var ones4d = require( '@stdlib/array/base/ones4d' ); * var zeros4d = require( '@stdlib/array/base/zeros4d' ); * var add = require( '@stdlib/math/base/ops/add' ); * * var shape = [ 1, 2, 2, 2 ]; * * var x = ones4d( shape ); * var y = ones4d( shape ); * var z = zeros4d( shape ); * * binary4d( [ x, y, z ], shape, add ); * * console.log( z ); * // => [ [ [ [ 2.0, 2.0 ], [ 2.0, 2.0 ] ], [ [ 2.0, 2.0 ], [ 2.0, 2.0 ] ] ] ] */ declare function binary4d<T = unknown, U = unknown, V = unknown>( arrays: [ Array4D<T>, Array4D<U>, Array4D<V> ], shape: Shape4D, fcn: Binary<T, U, V> ): void; // EXPORTS // export = binary4d;