diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 62272110ce3..fdaec8df823 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -163,7 +163,8 @@ static INLINE float logf( float f ) static INLINE double log2( double x ) { - return log( x ) / log( 2.0 ); + const double invln2 = 1.442695041; + return log( x ) * invln2; } #else |