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Fixed wrong division hack #2413

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Merged
brianpopow merged 2 commits into from
Mar 25, 2023
Merged

Fixed wrong division hack #2413

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b694956
Fixed wrong division hack
gfoidl Mar 24, 2023
ca21b6d
Merge branch 'main' into smash_bug
JimBobSquarePants Mar 24, 2023
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2 changes: 1 addition & 1 deletion src/ImageSharp/Formats/Webp/Lossless/LosslessUtils.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1456,7 +1456,7 @@ private static uint ClampedAddSubtractHalf(uint c0, uint c1, uint c2)
}

[MethodImpl(InliningOptions.ShortMethod)]
private static int AddSubtractComponentHalf(int a, int b) => (int)Clip255((uint)(a + ((a - b) >> 1))); // >> 1 is bit-hack for / 2
private static int AddSubtractComponentHalf(int a, int b) => (int)Clip255((uint)(a + ((a - b) / 2)));

[MethodImpl(InliningOptions.ShortMethod)]
private static int AddSubtractComponentFull(int a, int b, int c) => (int)Clip255((uint)(a + b - c));
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