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