/* ** 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