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/*
* GStreamer
* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __MATH_COMPAT_H__
#define __MATH_COMPAT_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <math.h>
#ifndef HAVE_ASINH
static inline gdouble
asinh (gdouble x)
{
return log(x + sqrt (x * x + 1));
}
#endif
#ifndef HAVE_SINH
static inline gdouble
sinh (gdouble x)
{
return 0.5 * (exp (x) - exp (-x));
}
#endif
#ifndef HAVE_COSH
static inline gdouble
cosh (gdouble x)
{
return 0.5 * (exp (x) + exp (-x));
}
#endif
#endif /* __MATH_COMPAT_H__ */
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