math-defs.h 1.4 KB

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  1. /******************************************************************************
  2. Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
  3. This program is free software: you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation, either version 2 of the License, or
  6. (at your option) any later version.
  7. This program is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with this program. If not, see <http://www.gnu.org/licenses/>.
  13. ******************************************************************************/
  14. #pragma once
  15. #include "../util/c99defs.h"
  16. #include <math.h>
  17. #ifdef __cplusplus
  18. extern "C" {
  19. #endif
  20. #ifndef M_PI
  21. #define M_PI 3.1415926535897932384626433832795f
  22. #endif
  23. #define RAD(val) ((val) * 0.0174532925199432957692369076848f)
  24. #define DEG(val) ((val) * 57.295779513082320876798154814105f)
  25. #define LARGE_EPSILON 1e-2f
  26. #define EPSILON 1e-4f
  27. #define TINY_EPSILON 1e-5f
  28. #define M_INFINITE 3.4e38f
  29. static inline bool close_float(float f1, float f2, float precision)
  30. {
  31. return fabsf(f1 - f2) <= precision;
  32. }
  33. #ifdef __cplusplus
  34. }
  35. #endif