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authorBrad Kittenbrink <brad@lindenlab.com>2008-02-27 18:58:14 +0000
committerBrad Kittenbrink <brad@lindenlab.com>2008-02-27 18:58:14 +0000
commit6d52efe452aa8469e0343da1c7d108f3f52ab651 (patch)
treea87be48e9840d7fc1f7ee514d7c7f994e71fdb3c /indra/llmath/llmath.h
parent6027ad2630b8650cabcf00628ee9b0d25bedd67f (diff)
Merge of windlight into release (QAR-286). This includes all changes in
windlight14 which have passed QA (up through r79932). svn merge -r 80831:80833 svn+ssh://svn.lindenlab.com/svn/linden/branches/merge_windlight14_r80620
Diffstat (limited to 'indra/llmath/llmath.h')
-rw-r--r--indra/llmath/llmath.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/indra/llmath/llmath.h b/indra/llmath/llmath.h
index f1b223f559..6df241d3ab 100644
--- a/indra/llmath/llmath.h
+++ b/indra/llmath/llmath.h
@@ -440,4 +440,20 @@ inline F32 llsimple_angle(F32 angle)
return angle;
}
+//calculate the nearesr power of two number for val, bounded by max_power_two
+inline U32 get_nearest_power_two(U32 val, U32 max_power_two)
+{
+ if(!max_power_two)
+ {
+ max_power_two = 1 << 31 ;
+ }
+ if(max_power_two & (max_power_two - 1))
+ {
+ return 0 ;
+ }
+
+ for(; val < max_power_two ; max_power_two >>= 1) ;
+
+ return max_power_two ;
+}
#endif