common/math_defs.h

   1 #ifndef AL_MATH_DEFS_H
   2 #define AL_MATH_DEFS_H
   3
   4 #include <math.h>
   5 #ifdef HAVE_FLOAT_H
   6 #include <float.h>
   7 #endif
   8
   9 #define F_PI    (3.14159265358979323846f)
  10 #define F_PI_2  (1.57079632679489661923f)
  11 #define F_TAU   (6.28318530717958647692f)
  12
  13 #ifndef FLT_EPSILON
  14 #define FLT_EPSILON (1.19209290e-07f)
  15 #endif
  16
  17 #ifndef HUGE_VALF
  18 #define HUGE_VALF  (1.0f/0.0f)
  19 #endif
  20
  21 #define DEG2RAD(x)  ((float)(x) * (F_PI/180.0f))
  22 #define RAD2DEG(x)  ((float)(x) * (180.0f/F_PI))
  23
  24 #endif /* AL_MATH_DEFS_H */