diff options
author | Sebastian Dröge <slomo@circular-chaos.org> | 2008-03-07 13:08:42 +0000 |
---|---|---|
committer | Sebastian Dröge <slomo@circular-chaos.org> | 2008-03-07 13:08:42 +0000 |
commit | c299138aaf5e279b36245c72f5442a7c02a76a5b (patch) | |
tree | 9bef76558c168174130f5dbf87df194033f343ba /gst | |
parent | 7f9ddba043f5d13378bf512d72880020044e5d17 (diff) |
Check for sinh(), cosh() and asinh() and define our own implementations if they're not available. Fixes bug #520880.
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.
Diffstat (limited to 'gst')
-rw-r--r-- | gst/audiofx/Makefile.am | 3 | ||||
-rw-r--r-- | gst/audiofx/audiochebband.c | 2 | ||||
-rw-r--r-- | gst/audiofx/audiocheblimit.c | 2 | ||||
-rw-r--r-- | gst/audiofx/math_compat.h | 55 |
4 files changed, 61 insertions, 1 deletions
diff --git a/gst/audiofx/Makefile.am b/gst/audiofx/Makefile.am index b630ec70..3c0df213 100644 --- a/gst/audiofx/Makefile.am +++ b/gst/audiofx/Makefile.am @@ -34,5 +34,6 @@ noinst_HEADERS = audiopanorama.h \ audiocheblimit.h \ audiochebband.h \ audiowsincband.h \ - audiowsinclimit.h + audiowsinclimit.h \ + math_compat.h diff --git a/gst/audiofx/audiochebband.c b/gst/audiofx/audiochebband.c index 10302ab0..40f35d20 100644 --- a/gst/audiofx/audiochebband.c +++ b/gst/audiofx/audiochebband.c @@ -85,6 +85,8 @@ #include <math.h> +#include "math_compat.h" + #include "audiochebband.h" #define GST_CAT_DEFAULT gst_audio_cheb_band_debug diff --git a/gst/audiofx/audiocheblimit.c b/gst/audiofx/audiocheblimit.c index 6938a533..47fadf98 100644 --- a/gst/audiofx/audiocheblimit.c +++ b/gst/audiofx/audiocheblimit.c @@ -81,6 +81,8 @@ #include <math.h> +#include "math_compat.h" + #include "audiocheblimit.h" #define GST_CAT_DEFAULT gst_audio_cheb_limit_debug diff --git a/gst/audiofx/math_compat.h b/gst/audiofx/math_compat.h new file mode 100644 index 00000000..87296981 --- /dev/null +++ b/gst/audiofx/math_compat.h @@ -0,0 +1,55 @@ +/* + * 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__ */ |