2.3-1/src/c/elementaryFunctions/cos/ccoss.c


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/*
 *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 *  Copyright (C) 2008-2008 - 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 "cos.h"
#include "sin.h"
#include "cosh.h"
#include "sinh.h"

floatComplex		ccoss(floatComplex z) {
  float real = creals(z);
  float imag = cimags(z);

  return FloatComplex(scoss(real) * scoshs(imag),
		      -ssins(real) * ssinhs(imag));
}