author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 15:15:52 +0300 | |
changeset 8 | 4a7fac7dd34a |
permissions | -rw-r--r-- |
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/* |
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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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|
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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__ */ |