@stdlib/blas-base-dswap
Version:
Interchange two double-precision floating-point vectors.
108 lines (100 loc) • 3.3 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
/**
* Interface describing `dswap`.
*/
interface Routine {
/**
* Interchanges two double-precision floating-point vectors.
*
* @param N - number of indexed elements
* @param x - first input array
* @param strideX - `x` stride length
* @param y - second input array
* @param strideY - `y` stride length
* @returns `y`
*
* @example
* var Float64Array = require( '@stdlib/array-float64' );
*
* var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
* var y = new Float64Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
*
* dswap( x.length, x, 1, y, 1 );
* // x => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ]
* // y => <Float64Array>[ 1.0, 2.0, 3.0, 4.0, 5.0 ]
*/
( N: number, x: Float64Array, strideX: number, y: Float64Array, strideY: number ): Float64Array;
/**
* Interchanges two double-precision floating-point vectors using alternative indexing semantics.
*
* @param N - number of indexed elements
* @param x - first input array
* @param strideX - `x` stride length
* @param offsetX - starting index for `x`
* @param y - second input array
* @param strideY - `y` stride length
* @param offsetY - starting index for `y`
* @returns `y`
*
* @example
* var Float64Array = require( '@stdlib/array-float64' );
*
* var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
* var y = new Float64Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
*
* dswap.ndarray( x.length, x, 1, 0, y, 1, 0 );
* // x => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ]
* // y => <Float64Array>[ 1.0, 2.0, 3.0, 4.0, 5.0 ]
*/
ndarray( N: number, x: Float64Array, strideX: number, offsetX: number, y: Float64Array, strideY: number, offsetY: number ): Float64Array;
}
/**
* Interchanges two double-precision floating-point vectors.
*
* @param N - number of indexed elements
* @param x - first input array
* @param strideX - `x` stride length
* @param y - second input array
* @param strideY - `y` stride length
* @returns `y`
*
* @example
* var Float64Array = require( '@stdlib/array-float64' );
*
* var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
* var y = new Float64Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
*
* dswap( x.length, x, 1, y, 1 );
* // x => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ]
* // y => <Float64Array>[ 1.0, 2.0, 3.0, 4.0, 5.0 ]
*
* @example
* var Float64Array = require( '@stdlib/array-float64' );
*
* var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
* var y = new Float64Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
*
* dswap.ndarray( x.length, x, 1, 0, y, 1, 0 );
* // x => <Float64Array>[ 6.0, 7.0, 8.0, 9.0, 10.0 ]
* // y => <Float64Array>[ 1.0, 2.0, 3.0, 4.0, 5.0 ]
*/
declare var dswap: Routine;
// EXPORTS //
export = dswap;