Simplify the lerp function

2008-10-09 02:32:47 -07:00
parent 7b6f207790
commit 87ff8a65e9
1 changed files with 1 additions and 1 deletions
@@ -641,7 +641,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,

 static __inline ALshort lerp(ALshort val1, ALshort val2, ALint frac)
 {
-    return (val1*((1<<FRACTIONBITS)-frac) + val2*frac) >> FRACTIONBITS;
+    return val1 + (((val2-val1)*frac)>>FRACTIONBITS);
 }

 ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum format)