| /* | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg 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 | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * @file | |
| * Compatibility libm for table generation files | |
| */ | |
| #ifndef AVUTIL_TABLEGEN_H | |
| #define AVUTIL_TABLEGEN_H | |
| #include <math.h> | |
| // we lack some functions on all host platforms, and we don't care about | |
| // performance and/or strict ISO C semantics as it's performed at build time | |
| static inline double ff_cbrt(double x) | |
| { | |
| return x < 0 ? -pow(-x, 1.0 / 3.0) : pow(x, 1.0 / 3.0); | |
| } | |
| #define cbrt ff_cbrt | |
| static inline double ff_rint(double x) | |
| { | |
| return x >= 0 ? floor(x + 0.5) : ceil(x - 0.5); | |
| } | |
| #define rint ff_rint | |
| static inline long long ff_llrint(double x) | |
| { | |
| return rint(x); | |
| } | |
| #define llrint ff_llrint | |
| static inline long ff_lrint(double x) | |
| { | |
| return rint(x); | |
| } | |
| #define lrint ff_lrint | |
| #endif /* AVUTIL_TABLEGEN_H */ |