diff options
Diffstat (limited to 'libs/luajit-cmake/luajit/src/lj_prng.h')
| -rw-r--r-- | libs/luajit-cmake/luajit/src/lj_prng.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libs/luajit-cmake/luajit/src/lj_prng.h b/libs/luajit-cmake/luajit/src/lj_prng.h new file mode 100644 index 0000000..bdc958a --- /dev/null +++ b/libs/luajit-cmake/luajit/src/lj_prng.h @@ -0,0 +1,24 @@ +/* +** Pseudo-random number generation. +** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h +*/ + +#ifndef _LJ_PRNG_H +#define _LJ_PRNG_H + +#include "lj_def.h" + +LJ_FUNC int LJ_FASTCALL lj_prng_seed_secure(PRNGState *rs); +LJ_FUNC uint64_t LJ_FASTCALL lj_prng_u64(PRNGState *rs); +LJ_FUNC uint64_t LJ_FASTCALL lj_prng_u64d(PRNGState *rs); + +/* This is just the precomputed result of lib_math.c:random_seed(rs, 0.0). */ +static LJ_AINLINE void lj_prng_seed_fixed(PRNGState *rs) +{ + rs->u[0] = U64x(a0d27757,0a345b8c); + rs->u[1] = U64x(764a296c,5d4aa64f); + rs->u[2] = U64x(51220704,070adeaa); + rs->u[3] = U64x(2a2717b5,a7b7b927); +} + +#endif |