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Fix _random_u64

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This commit is contained in:
gingerBill
2023-08-15 11:06:12 +01:00
parent fc64e787a3
commit 67f48aca96
1 changed files with 4 additions and 3 deletions
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core/math/rand/rand.odin
+4 -3
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@@ -135,11 +135,12 @@ _random_u64 :: proc(r: ^Rand) -> u64 {
}
}
old_state := r.state
r.state = old_state * 6364136223846793005 + (r.inc|1)
word := (((old_state >> 59) + 5) ~ old_state) * 12605985483714917081
rot := (word >> 43) ~ word
return (word >> rot) | (word << ((-rot) & 63))
xor_shifted := (((old_state >> 59) + 5) ~ old_state) * 12605985483714917081
rot := (old_state >> 59)
return (xor_shifted >> rot) | (xor_shifted << ((-rot) & 63))
}
/*