/* 

 * 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__ */