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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';
// MODULES //
var hypot = require( '@stdlib/math/base/special/hypot' );
// MAIN //
/**
* Evaluates the signum function of a double-precision complex floating-point number and assigns results to a provided output array.
*
* @param {number} re - real component
* @param {number} im - imaginary component
* @param {Collection} out - output array
* @param {integer} strideOut - stride length
* @param {NonNegativeInteger} offsetOut - starting index
* @returns {Collection} output array
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* var out = assign( 3.0, -4.0, new Float64Array( 2 ), 1, 0 );
* // returns <Float64Array>[ 0.6, -0.8 ]
*/
function assign( re, im, out, strideOut, offsetOut ) {
var az;
az = hypot( re, im );
if ( az === 0.0 ) {
out[ offsetOut ] = re;
out[ offsetOut+strideOut ] = im;
return out;
}
out[ offsetOut ] = re / az;
out[ offsetOut+strideOut ] = im / az;
return out;
}
// EXPORTS //
module.exports = assign;
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