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Shift bits before making value negative

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Andrew Murray 2025-10-14 23:41:50 +11:00
parent 7a6664d70b
commit 78b0e06dbb
1 changed files with 1 additions and 1 deletions
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src/libImaging/BcnDecode.c
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@ -603,7 +603,7 @@ static void
bc6_sign_extend(UINT16 *v, int prec) { bc6_sign_extend(UINT16 *v, int prec) {
int x = *v; int x = *v;
if (x & (1 << (prec - 1))) { if (x & (1 << (prec - 1))) {
x |= -1 << prec; x |= -(1 << prec);
} }
*v = (UINT16)x; *v = (UINT16)x;
} }