diff options
| author | Michal Krol <michal@tungstengraphics.com> | 2008-11-12 17:14:07 +0100 |
|---|---|---|
| committer | Michal Krol <michal@tungstengraphics.com> | 2008-11-12 18:20:19 +0100 |
| commit | 50357ad35181b7b170abe8413d4ef772978aa5f5 (patch) | |
| tree | d25e719fc7bd49adf4babc713b780c497b06a1c1 /src/gallium/auxiliary/util/u_math.h | |
| parent | 1bfe7c36bac4b8e5ddfcce537603aa8a5f35529d (diff) | |
util: Add log2() definition for MSC.
Diffstat (limited to 'src/gallium/auxiliary/util/u_math.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index d2eaa2e7f7..62272110ce 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -161,6 +161,11 @@ static INLINE float logf( float f ) return (float) log( (double) f ); } +static INLINE double log2( double x ) +{ + return log( x ) / log( 2.0 ); +} + #else /* Work-around an extra semi-colon in VS 2005 logf definition */ #ifdef logf |