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Fix undefined overflow behavior

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DuncanRuns 2024-06-13 12:21:19 -03:00
parent 0af31b4e7e
commit 681906b983
1 changed files with 2 additions and 2 deletions
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4
rng.h
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@ -108,7 +108,7 @@ static inline int nextInt(uint64_t *seed, const int n)
bits = next(seed, 31);
val = bits % n;
}
while (bits - val + m < 0);
while (((int32_t)((uint32_t)bits - val + m) < 0));
return val;
}
@ -261,7 +261,7 @@ static inline int xNextIntJ(Xoroshiro *xr, uint32_t n)
bits = (xNextLong(xr) >> 33);
val = bits % n;
}
while (bits - val + m < 0);
while (((int32_t)((uint32_t)bits - val + m) < 0));
return val;
}