@stdlib/array
Version:
Arrays.
110 lines (95 loc) • 2.61 kB
TypeScript
/*
* @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;