-/* Degrees to radians conversion: */
-#define DEG2RAD (M_PI/180.0)
-
-
-/***
- *** SQRTF: single-precision square root
- ***/
-#if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */
-# define SQRTF(X) _mesa_sqrtf(X)
-#else
-# define SQRTF(X) (float) sqrt((float) (X))
-#endif
-
-
-/***
- *** INV_SQRTF: single-precision inverse square root
- ***/
-#if 0
-#define INV_SQRTF(X) _mesa_inv_sqrt(X)
-#else
-#define INV_SQRTF(X) (1.0F / SQRTF(X)) /* this is faster on a P4 */
-#endif
-
-
-/**
- * \name Work-arounds for platforms that lack C99 math functions
- */
-/*@{*/
-#if (!defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE < 600)) && !defined(_ISOC99_SOURCE) \
- && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L)) \
- && (!defined(_MSC_VER) || (_MSC_VER < 1400))
-#define acosf(f) ((float) acos(f))
-#define asinf(f) ((float) asin(f))
-#define atan2f(x,y) ((float) atan2(x,y))
-#define atanf(f) ((float) atan(f))
-#define cielf(f) ((float) ciel(f))
-#define cosf(f) ((float) cos(f))
-#define coshf(f) ((float) cosh(f))
-#define expf(f) ((float) exp(f))
-#define exp2f(f) ((float) exp2(f))
-#define floorf(f) ((float) floor(f))
-#define logf(f) ((float) log(f))
-#define log2f(f) ((float) log2(f))
-#define powf(x,y) ((float) pow(x,y))
-#define sinf(f) ((float) sin(f))
-#define sinhf(f) ((float) sinh(f))
-#define sqrtf(f) ((float) sqrt(f))
-#define tanf(f) ((float) tan(f))
-#define tanhf(f) ((float) tanh(f))
-#endif