aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Alc/ALu.c4
-rw-r--r--OpenAL32/Include/alu.h5
2 files changed, 7 insertions, 2 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 5c897927..6afd5e4c 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -732,7 +732,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext)
/* Use a binaural HRTF algorithm for stereo headphone playback */
ALfloat delta, ev = 0.0f, az = 0.0f;
- if(Distance > 0.0f)
+ if(Distance > FLT_EPSILON)
{
ALfloat invlen = 1.0f/Distance;
Position[0] *= invlen;
@@ -797,7 +797,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext)
}
/* Normalize the length, and compute panned gains. */
- if(Distance > 0.0f)
+ if(Distance > FLT_EPSILON)
{
ALfloat invlen = 1.0f/Distance;
Position[0] *= invlen;
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index ef573d6f..d4339d96 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -16,6 +16,11 @@
#define F_PI (3.14159265358979323846f) /* pi */
#define F_PI_2 (1.57079632679489661923f) /* pi/2 */
+#ifndef FLT_EPSILON
+#define FLT_EPSILON (1.19209290e-07f)
+#endif
+
+
#ifndef HAVE_POWF
static __inline float powf(float x, float y)
{ return (float)pow(x, y); }