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@stdlib/strided

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/* * @license Apache-2.0 * * Copyright (c) 2021 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 /** * Callback invoked for indexed strided input array elements. * * @param x - strided array element * @param y - strided array element * @returns result */ type Binary = ( x: number, y: number ) => number; /** * Interface describing `smap2`. */ interface Routine { /** * Applies a binary function to single-precision floating-point strided input arrays and assigns results to a single-precision floating-point strided output array. * * @param N - number of indexed elements * @param x - input array * @param strideX - `x` stride length * @param y - input array * @param strideY - `y` stride length * @param z - destination array * @param strideZ - `z` stride length * @param fcn - binary function to apply * @returns `z` * * @example * var Float32Array = require( '@stdlib/array/float32' ); * var addf = require( '@stdlib/math/base/ops/addf' ); * * var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); * * smap2( x.length, x, 1, y, 1, z, 1, addf ); * // z => <Float32Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] */ ( N: number, x: Float32Array, strideX: number, y: Float32Array, strideY: number, z: Float32Array, strideZ: number, fcn: Binary ): Float32Array; /** * Applies a binary function to single-precision floating-point strided input arrays and assigns results to a single-precision floating-point strided output array using alternative indexing semantics. * * @param N - number of indexed elements * @param x - input array * @param strideX - `x` stride length * @param offsetX - starting index for `x` * @param y - input array * @param strideY - `y` stride length * @param offsetY - starting index for `y` * @param z - destination array * @param strideZ - `z` stride length * @param offsetZ - starting index for `z` * @param fcn - binary function to apply * @returns `z` * * @example * var Float32Array = require( '@stdlib/array/float32' ); * var addf = require( '@stdlib/math/base/ops/addf' ); * * var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); * * smap2.ndarray( x.length, x, 1, 0, y, 1, 0, z, 1, 0, addf ); * // z => <Float32Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] */ ndarray( N: number, x: Float32Array, strideX: number, offsetX: number, y: Float32Array, strideY: number, offsetY: number, z: Float32Array, strideZ: number, offsetZ: number, fcn: Binary ): Float32Array; } /** * Applies a binary function to single-precision floating-point strided input arrays and assigns results to a single-precision floating-point strided output array. * * @param N - number of indexed elements * @param x - input array * @param strideX - `x` stride length * @param y - input array * @param strideY - `y` stride length * @param z - destination array * @param strideZ - `z` stride length * @param fcn - binary function to apply * @returns `z` * * @example * var Float32Array = require( '@stdlib/array/float32' ); * var addf = require( '@stdlib/math/base/ops/addf' ); * * var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); * * smap2( x.length, x, 1, y, 1, z, 1, addf ); * // z => <Float32Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] * * @example * var Float32Array = require( '@stdlib/array/float32' ); * var addf = require( '@stdlib/math/base/ops/addf' ); * * var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var y = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); * var z = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); * * smap2.ndarray( x.length, x, 1, 0, y, 1, 0, z, 1, 0, addf ); * // z => <Float32Array>[ 2.0, 4.0, 6.0, 8.0, 10.0 ] */ declare var smap2: Routine; // EXPORTS // export = smap2;