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* @license Apache-2.0
*
* Copyright (c) 2026 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';
/**
* Construct a Givens plane rotation.
*
* @module @stdlib/blas/base/zrotg
*
* @example
* var Complex128 = require( '@stdlib/complex/float64/ctor' );
* var zrotg = require( '@stdlib/blas/base/zrotg' );
*
* var za = new Complex128( 5.0, 6.0 );
* // returns <Complex128>
*
* var zb = new Complex128( 0.0, 0.0 );
* // returns <Complex128>
*
* var out = zrotg( za, zb );
* // returns <Float64Array>[ 5.0, 6.0, 1.0, 0.0, 0.0 ]
*
* za = new Complex128( 3.0, 4.0 );
* // returns <Complex128>
*
* zb = new Complex128( 5.0, 12.0 );
* // returns <Complex128>
*
* out = zrotg( za, zb );
* // out => <Float64Array>[ 8.357032966310472,11.142710621747296,0.358979079308869,0.9046272798583499,-0.22974661075767622 ]
*/
// 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 zrotg;
var tmp = tryRequire( join( __dirname, './native.js' ) );
if ( isError( tmp ) ) {
zrotg = main;
} else {
zrotg = tmp;
}
// EXPORTS //
module.exports = zrotg;
// exports: { "assign": "zrotg.assign" }
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