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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, ArrayLike } from '@stdlib/types/array'; import { Shape4D, Strides4D } from '@stdlib/types/ndarray'; /** * Converts a strided array to a four-dimensional nested array. * * ## Notes * * - The function assumes that the input array is compatible with the specified array shape, dimension strides, and index offset. * * @param x - input array * @param shape - array shape * @param strides - dimension strides * @param offset - index of the first indexed value in the input array * @returns four-dimensional nested array * * @example * var x = [ 1, 2, 3, 4, 5, 6 ]; * * var arr = strided2array4d( x, [ 1, 1, 3, 2 ], [ 6, 6, 2, 1 ], 0 ); * // returns [ [ [ [ 1, 2 ], [ 3, 4 ], [ 5, 6 ] ] ] ] * * @example * var x = [ 1, 2, 3, 4, 5, 6 ]; * * var arr = strided2array4d( x, [ 1, 1, 3, 2 ], [ 1, 1, 1, 3 ], 0 ); * // returns [ [ [ [ 1, 4 ], [ 2, 5 ], [ 3, 6 ] ] ] ] */ declare function strided2array4d<T = unknown>( x: ArrayLike<T>, shape: Shape4D, strides: Strides4D, offset: number ): Array4D<T>; // EXPORTS // export = strided2array4d;