src/c/auxiliaryFunctions/sign/zsigns.c


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/*
 *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 *  Copyright (C) 2007-2008 - INRIA - Bruno JOFRET
 *
 *  This file must be used under the terms of the CeCILL.
 *  This source file is licensed as described in the file COPYING, which
 *  you should have received as part of this distribution.  The terms
 *  are also available at
 *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
 *
 */

#include "sign.h"
#include "abs.h"

doubleComplex zsigns(doubleComplex in) {
  if ( (zreals(in)==0) && (zimags(in)==0) ) return DoubleComplex(0,0);
  return DoubleComplex(zreals(in) / zabss(in), zimags(in) / zabss(in));
}