mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 11:11:08 +00:00
c299138aaf
Original commit message from CVS: * configure.ac: * gst/audiofx/Makefile.am: * gst/audiofx/audiochebband.c: * gst/audiofx/audiocheblimit.c: * gst/audiofx/math_compat.h: Check for sinh(), cosh() and asinh() and define our own implementations if they're not available. Fixes bug #520880.
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
|
|
* 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__ */
|