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-rw-r--r--Alc/ALu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 4dd4c7dc..ec7c0ffd 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -908,8 +908,10 @@ static __inline ALfloat aluF2F(ALfloat val)
{ return val; }
static __inline ALint aluF2I(ALfloat val)
{
+ /* Clamp the value between -1 and +1. This handles that without branching. */
val = val+1.0f - fabsf(val-1.0f);
val = (val-2.0f + fabsf(val+2.0f)) * 0.25;
+ /* Convert to a signed integer, between -2147483647 and +2147483647. */
return fastf2i((ALfloat)(val*2147483647.0));
}
static __inline ALuint aluF2UI(ALfloat val)