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-rw-r--r--src/gallium/auxiliary/util/u_math.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index 9b4ca39371..0b10622ee7 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -272,8 +272,10 @@ util_fast_log2(float val)
static INLINE float
util_fast_pow(float x, float y)
{
- /* XXX this test may need adjustment */
- if (y >= 3.0 && -0.02f <= x && x <= 0.02f)
+ /* XXX these tests may need adjustment */
+ if (y >= 3.0f && (-0.02f <= x && x <= 0.02f))
+ return 0.0f;
+ if (y >= 50.0f && (-0.9f <= x && x <= 0.9f))
return 0.0f;
return util_fast_exp2(util_fast_log2(x) * y);
}