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Merge "Prevent bit shifting if num bits is negative"

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Colin Cross 2012-04-26 13:31:29 -07:00 • committed by android code review
commit 5b3eb07ed7
1 changed files with 2 additions and 1 deletions
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3
libpixelflinger/fixed.cpp
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@ -62,7 +62,8 @@ int32_t gglRecipQ(GGLfixed x, int q)
int shift;
x = gglRecipQNormalized(x, &shift);
shift += 16-q;
x += 1L << (shift-1); // rounding
if (shift > 0)
x += 1L << (shift-1); // rounding
x >>= shift;
return x;
}