gst-plugins-good  1.20.3
About: GStreamer (Good Plugins) is a library for constructing of graphs of media-handling components. A set of good-quality plug-ins (under LGPL license).
  Fossies Dox: gst-plugins-good-1.20.3.tar.xz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

math_compat.h
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1/*
2 * GStreamer
3 * Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef __MATH_COMPAT_H__
22#define __MATH_COMPAT_H__
23
24#ifdef HAVE_CONFIG_H
25#include "config.h"
26#endif
27
28#include <glib.h>
29#include <math.h>
30
31#ifndef HAVE_ASINH
32static inline gdouble
33asinh (gdouble x)
34{
35 return log(x + sqrt (x * x + 1));
36}
37#endif
38
39#ifndef HAVE_SINH
40static inline gdouble
41sinh (gdouble x)
42{
43 return 0.5 * (exp (x) - exp (-x));
44}
45#endif
46
47#ifndef HAVE_COSH
48static inline gdouble
49cosh (gdouble x)
50{
51 return 0.5 * (exp (x) + exp (-x));
52}
53#endif
54
55#endif /* __MATH_COMPAT_H__ */
static gdouble asinh(gdouble x)
Definition: math_compat.h:33
static gdouble sinh(gdouble x)
Definition: math_compat.h:41
static gdouble cosh(gdouble x)
Definition: math_compat.h:49