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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 { Array1D, Array2D, Array3D } from '@stdlib/types/array'; import { Shape1D, Shape2D, Shape3D } 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; /** * Input array. */ type InputArray<T> = Array1D<T> | Array2D<T> | Array3D<T>; /** * Input array shape. */ type InputArrayShape = Shape1D | Shape2D | Shape3D; /** * Output array. */ type OutputArray<T> = Array3D<T>; /** * Output array shape. */ type OutputArrayShape = Shape3D; /** * Input and output arrays. */ type InOutArrays<T, U, V> = [ InputArray<T>, InputArray<U>, OutputArray<V> ]; /** * Input and output array shapes. */ type InOutShapes = [ InputArrayShape, InputArrayShape, OutputArrayShape ]; /** * Applies a binary callback to elements in two broadcasted input arrays and assigns results to elements in a three-dimensional nested output array. * * ## Notes * * - The input array shapes must be broadcast compatible with the output array shape. * * @param arrays - array containing two input nested arrays and one output nested array * @param shapes - array shapes * @param fcn - binary callback * * @example * var ones3d = require( '@stdlib/array/base/ones3d' ); * var zeros3d = require( '@stdlib/array/base/zeros3d' ); * var add = require( '@stdlib/math/base/ops/add' ); * * var shapes = [ * [ 1, 1, 2 ], * [ 2, 1, 1 ], * [ 2, 2, 2 ] * ]; * * var x = ones3d( shapes[ 0 ] ); * var y = ones3d( shapes[ 1 ] ); * var z = zeros3d( shapes[ 2 ] ); * * bbinary3d( [ x, y, z ], shapes, add ); * * console.log( z ); * // => [ [ [ 2.0, 2.0 ], [ 2.0, 2.0 ] ], [ [ 2.0, 2.0 ], [ 2.0, 2.0 ] ] ] */ declare function bbinary3d<T = unknown, U = unknown, V = unknown>( arrays: InOutArrays<T, U, V>, shapes: InOutShapes, fcn: Binary<T, U, V> ): void; // EXPORTS // export = bbinary3d;