diff options
Diffstat (limited to 'mesalib/src/mesa/main/imports.h')
| -rw-r--r-- | mesalib/src/mesa/main/imports.h | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h index 2f854e574..abf216c99 100644 --- a/mesalib/src/mesa/main/imports.h +++ b/mesalib/src/mesa/main/imports.h @@ -96,18 +96,6 @@ typedef union { GLfloat f; GLint i; } fi_type; #define DEG2RAD (M_PI/180.0) -/*** - *** SQRTF: single-precision square root - ***/ -#define SQRTF(X) (float) sqrt((float) (X)) - - -/*** - *** INV_SQRTF: single-precision inverse square root - ***/ -#define INV_SQRTF(X) (1.0F / SQRTF(X)) - - /** * \name Work-arounds for platforms that lack C99 math functions */ @@ -156,9 +144,15 @@ static inline int isblank(int ch) { return ch == ' ' || ch == '\t'; } #endif /*@}*/ -#if defined(__SUNPRO_C) -#define sqrtf(f) ((float) sqrt(f)) -#endif + + +/** single-precision inverse square root */ +static inline float +INV_SQRTF(float x) +{ + /* XXX we could try Quake's fast inverse square root function here */ + return 1.0F / sqrtf(x); +} /*** |