2.3-1/src/c/elementaryFunctions/tanh/ctanhs.c


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/*
 *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 *  Copyright (C) 2006-2008 - 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 "tanh.h"
#include "tan.h"

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

  floatComplex result = ctans(FloatComplex(-imag, real));
  return (FloatComplex(cimags(result), -creals(result)));
}