From ce05175372a9ddca1a225db0765ace1127a39293 Mon Sep 17 00:00:00 2001 From: Nicholas Date: Fri, 12 Nov 2021 09:22:01 -0800 Subject: chore: simplified organizational structure --- sys/base/rng/random.c | 33 --------------------------------- 1 file changed, 33 deletions(-) delete mode 100644 sys/base/rng/random.c (limited to 'sys/base/rng/random.c') diff --git a/sys/base/rng/random.c b/sys/base/rng/random.c deleted file mode 100644 index bd1bd6b..0000000 --- a/sys/base/rng/random.c +++ /dev/null @@ -1,33 +0,0 @@ -#include "internal.h" - -static uint64 -xoshiro256ss(Rng *state) -{ - uint64 *s = state->s; - uint64 result = rol64(s[1] * 5, 7) * 9; - uint64 t = s[1] << 17; - - s[2] ^= s[0]; - s[3] ^= s[1]; - s[1] ^= s[2]; - s[0] ^= s[3]; - - s[2] ^= t; - s[3] = rol64(s[3], 45); - - return result; -} - -double -rng·random(void) -{ - uint64 r = xoshiro256ss(&rng·RNG); - return (double)r / (double)UINT64_MAX; -} - -uint64 -rng·randi(int max) -{ - uint64 r = xoshiro256ss(&rng·RNG); - return r % max; -} -- cgit v1.2.1