#define PI 3.141592653589793
#define RECIPROCAL_PI 0.3183098861837907
#define RECIPROCAL_PI2 0.15915494309189535
/* Smallest normal float16 is 2^-14 (~0.00006). Subnormals can flush to 0. */
#define EPSILON_F 0.0001

#define MEDIUMP_FLT_MAX 65504.0
#define MEDIUMP_FLT_POSMIN 0.000061035
