All files / blas/base/cher2/lib index.js

100% Statements 76/76
100% Branches 3/3
100% Functions 0/0
100% Lines 76/76

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 773x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 2x 3x 1x 1x 3x 3x 3x 3x 3x 3x 3x  
/**
* @license Apache-2.0
*
* Copyright (c) 2025 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.
*/
 
'use strict';
 
/**
* Perform the hermitian rank 1 operation `A = alpha*x*x**H + A`, where `alpha` is a real scalar, `X` is an `N` element vector and `A` is an `N` by `N` hermitian matrix.
*
* @module @stdlib/blas/base/cher2
*
* @example
* var Complex64Array = require( '@stdlib/array/complex64' );
* var Complex64 = require( '@stdlib/complex/float32/ctor' );
* var cher2 = require( '@stdlib/blas/base/cher2' );
*
* var x = new Complex64Array( [ 1.0, 1.0, 1.0, 1.0 ] );
* var y = new Complex64Array( [ 1.0, 1.0, 1.0, 1.0 ] );
* var A = new Complex64Array( [ 1.0, 0.0, 0.0, 0.0, 2.0, 3.0, 4.0, 0.0 ] );
* var alpha = new Complex64( 1.0, 0.0 );
*
* cher2( 'row-major', 'lower', x.length, alpha, x, 1, y, 1, A, 2 );
* // A => <Complex64Array>[ 5.0, 0.0, 0.0, 0.0, 6.0, 3.0, 8.0, 0.0 ]
*
* @example
* var Complex64Array = require( '@stdlib/array/complex64' );
* var Complex64 = require( '@stdlib/complex/float32/ctor' );
* var cher2 = require( '@stdlib/blas/base/cher2' );
*
* var x = new Complex64Array( [ 1.0, 1.0, 1.0, 1.0 ] );
* var y = new Complex64Array( [ 1.0, 1.0, 1.0, 1.0 ] );
* var A = new Complex64Array( [ 1.0, 0.0, 0.0, 0.0, 2.0, 3.0, 4.0, 0.0 ] );
* var alpha = new Complex64( 1.0, 0.0 );
*
* cher2.ndarray( 'lower', x.length, alpha, x, 1, 0, y, 1, 0, A, 2, 1, 0 );
* // A => <Complex64Array>[ 5.0, 0.0, 0.0, 0.0, 6.0, 3.0, 8.0, 0.0 ]
*/
 
// MODULES //
 
var join = require( 'path' ).join;
var tryRequire = require( '@stdlib/utils/try-require' );
var isError = require( '@stdlib/assert/is-error' );
var main = require( './main.js' );
 
 
// MAIN //
 
var cher2;
var tmp = tryRequire( join( __dirname, './native.js' ) );
if ( isError( tmp ) ) {
	cher2 = main;
} else {
	cher2 = tmp;
}
 
 
// EXPORTS //
 
module.exports = cher2;
 
// exports: { "ndarray": "cher2.ndarray" }