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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 Complex64 = require( '@stdlib/complex/float32/ctor' );
var real = require( '@stdlib/complex/float32/real' );
var imag = require( '@stdlib/complex/float32/imag' );
var csignumf = require( './main.js' );
// MAIN //
/**
* Computes the signum of a single-precision complex number stored in a real-valued strided array view and assigns the result to a provided strided output array.
*
* @param {Float32Array} z - complex number view (interleaved real and imaginary)
* @param {integer} sz - stride length for `z`
* @param {NonNegativeInteger} oz - starting index for `z`
* @param {Float32Array} out - output array
* @param {integer} so - stride length for `out`
* @param {NonNegativeInteger} oo - starting index for `out`
* @returns {Float32Array} output array
*
* @example
* var Float32Array = require( '@stdlib/array/float32' );
* var strided = require( '@stdlib/math/base/special/csignumf' ).strided;
*
* var z = new Float32Array( [ 3.0, 4.0 ] );
* var out = new Float32Array( 2 );
*
* strided( z, 1, 0, out, 1, 0 );
* console.log( out );
* // => <Float32Array>[ ~0.6, ~0.8 ]
*/
function strided( z, sz, oz, out, so, oo ) {
var result;
var re;
var im;
re = z[ oz ];
im = z[ oz + sz ];
result = csignumf( new Complex64( re, im ) );
out[ oo ] = real( result );
out[ oo + so ] = imag( result );
return out;
}
// EXPORTS //
module.exports = strided;
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