103 lines
2.3 KiB
JavaScript
103 lines
2.3 KiB
JavaScript
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2020 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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/**
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* BLAS level 1 routine to interchange two complex single-precision floating-point vectors.
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*
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* @module @stdlib/blas/base/cswap
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*
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* @example
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* var Complex64Array = require( '@stdlib/array/complex64' );
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* var real = require( '@stdlib/complex/real' );
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* var imag = require( '@stdlib/complex/imag' );
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* var cswap = require( '@stdlib/blas/base/cswap' );
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*
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* var x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
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* var y = new Complex64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
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*
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* cswap( x.length, x, 1, y, 1 );
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*
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* var z = y.get( 0 );
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* // returns <Complex64>
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*
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* var re = real( z );
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* // returns 1.0
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*
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* var im = imag( z );
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* // returns 2.0
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*
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* z = x.get( 0 );
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* // returns <Complex64>
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*
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* re = real( z );
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* // returns 7.0
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*
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* im = imag( z );
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* // returns 8.0
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*
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* @example
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* var Complex64Array = require( '@stdlib/array/complex64' );
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* var real = require( '@stdlib/complex/real' );
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* var imag = require( '@stdlib/complex/imag' );
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* var cswap = require( '@stdlib/blas/base/cswap' );
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*
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* var x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
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* var y = new Complex64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
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*
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* cswap.ndarray( x.length, x, 1, 0, y, 1, 0 );
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*
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* var z = y.get( 0 );
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* // returns <Complex64>
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*
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* var re = real( z );
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* // returns 1.0
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*
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* var im = imag( z );
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* // returns 2.0
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*
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* z = x.get( 0 );
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* // returns <Complex64>
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*
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* re = real( z );
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* // returns 7.0
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*
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* im = imag( z );
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* // returns 8.0
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*/
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// MODULES //
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var join = require( 'path' ).join;
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var tryRequire = require( '@stdlib/utils/try-require' );
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var cswap = require( './main.js' );
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// MAIN //
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var tmp = tryRequire( join( __dirname, './native.js' ) );
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if ( !(tmp instanceof Error) ) {
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cswap = tmp;
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}
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// EXPORTS //
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module.exports = cswap;
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