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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 Float32Array = require( '@stdlib/array/float32' );
var real = require( '@stdlib/complex/float32/real' );
var imag = require( '@stdlib/complex/float32/imag' );
var assign = require( './assign.js' );
// VARIABLES //
var out = new Float32Array( 2 );
// MAIN //
/**
* Evaluates the signum function of a single-precision complex floating-point number.
*
* @param {Complex64} z - complex number
* @returns {Complex64} result
*
* @example
* var Complex64 = require( '@stdlib/complex/float32/ctor' );
*
* var v = csignumf( new Complex64( -4.2, 5.5 ) );
* // returns <Complex64>[ ~-0.607, ~0.795 ]
*
* v = csignumf( new Complex64( 0.0, 0.0 ) );
* // returns <Complex64>[ 0.0, 0.0 ]
*
* v = csignumf( new Complex64( NaN, NaN ) );
* // returns <Complex64>[ NaN, NaN ]
*/
function csignumf( z ) {
assign( real( z ), imag( z ), out, 1, 0 );
return new Complex64( out[ 0 ], out[ 1 ] );
}
// EXPORTS //
module.exports = csignumf;
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