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* @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';
// MODULES //
var stride2offset = require( '@stdlib/strided/base/stride2offset' );
var Complex128 = require( '@stdlib/complex/float64/ctor' );
var ndarray = require( './ndarray.js' );
// MAIN //
/**
* Computes the dot product `x^H * y` of `x` and `y`.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {Complex128Array} x - first input array
* @param {integer} strideX - `x` stride length
* @param {Complex128Array} y - second input array
* @param {integer} strideY - `y` stride length
* @returns {Complex128} dot product
*
* @example
* var Complex128Array = require( '@stdlib/array/complex128' );
* var Complex128 = require( '@stdlib/complex/float64/ctor' );
* var zdotc = require( '@stdlib/blas/base/zdotc' );
*
* var x = new Complex128Array( [ 7.0, -8.0, -1.0, -9.0 ] );
* var y = new Complex128Array( [ 6.0, -6.0, -9.0, 5.0 ] );
* var z = zdotc( x.length, x, 1, y, 1 );
*/
function zdotc( N, x, strideX, y, strideY ) {
var ix;
var iy;
if ( N <= 0 ) {
return new Complex128( 0, 0 );
}
ix = stride2offset( N, strideX );
iy = stride2offset( N, strideY );
return ndarray( N, x, strideX, ix, y, strideY, iy );
}
// EXPORTS //
module.exports = zdotc;
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