| /* |
| * 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, 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__ */ |
