diff options
| author | Brian Paul <brianp@vmware.com> | 2012-09-03 12:19:15 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2012-09-03 18:07:41 -0600 |
| commit | 56ccdf7e30f5bc1bc6b71d49bad2a9049ae170c4 (patch) | |
| tree | 1d890a1708b7262c080444a8cd57948ea49a9edd /src/mesa/main/imports.h | |
| parent | f44bda17f515c411071ca8744ebd96039d9c583b (diff) | |
mesa: remove SQRTF, use sqrtf. Convert INV_SQRT() to inline function.
We were already defining sqrtf where we don't have the C99 version.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'src/mesa/main/imports.h')
| -rw-r--r-- | src/mesa/main/imports.h | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h index 60b0f11af86..abf216c99ac 100644 --- a/src/mesa/main/imports.h +++ b/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 */ @@ -157,6 +145,16 @@ static inline int isblank(int ch) { return ch == ' ' || ch == '\t'; } /*@}*/ + +/** 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); +} + + /*** *** LOG2: Log base 2 of float ***/ |