urng.h File Reference

#include <vsmc/rng/internal/common.h>
#include <Random123/threefry.h>
#include <Random123/philox.h>

Go to the source code of this file.

Classes
struct	philox2x32_rng_t
struct	philox2x64_rng_t
struct	philox4x32_rng_t
struct	philox4x64_rng_t
struct	threefry2x32_rng_t
struct	threefry2x64_rng_t
struct	threefry4x32_rng_t
struct	threefry4x64_rng_t

Macros
#define	cburng2x32_init   threefry2x32_init
#define	cburng2x32_rand   threefry2x32_rand
#define	cburng2x64_init   threefry2x64_init
#define	cburng2x64_rand   threefry2x64_rand
#define	cburng4x32_init   threefry4x32_init
#define	cburng4x32_rand   threefry4x32_rand
#define	cburng4x64_init   threefry4x64_init
#define	cburng4x64_rand   threefry4x64_rand
#define	VSMC_DEFINE_RNG_URNG_INIT(RNG, N, W)
#define	VSMC_DEFINE_RNG_URNG_RAND(RNG, N, W)
#define	VSMC_DEFINE_RNG_URNG_RNG_T(RNG, N, W)

Typedefs
typedef threefry2x32_rng_t	cburng2x32_rng_t
typedef threefry2x64_rng_t	cburng2x64_rng_t
typedef threefry4x32_rng_t	cburng4x32_rng_t
typedef threefry4x64_rng_t	cburng4x64_rng_t

Functions
static void	philox2x32_init (philox2x32_rng_t *rng, uint32_t seed)
static uint32_t	philox2x32_rand (philox2x32_rng_t *rng)
static void	philox2x64_init (philox2x64_rng_t *rng, uint64_t seed)
static uint64_t	philox2x64_rand (philox2x64_rng_t *rng)
static void	philox4x32_init (philox4x32_rng_t *rng, uint32_t seed)
static uint32_t	philox4x32_rand (philox4x32_rng_t *rng)
static void	philox4x64_init (philox4x64_rng_t *rng, uint64_t seed)
static uint64_t	philox4x64_rand (philox4x64_rng_t *rng)
static void	threefry2x32_init (threefry2x32_rng_t *rng, uint32_t seed)
static uint32_t	threefry2x32_rand (threefry2x32_rng_t *rng)
static void	threefry2x64_init (threefry2x64_rng_t *rng, uint64_t seed)
static uint64_t	threefry2x64_rand (threefry2x64_rng_t *rng)
static void	threefry4x32_init (threefry4x32_rng_t *rng, uint32_t seed)
static uint32_t	threefry4x32_rand (threefry4x32_rng_t *rng)
static void	threefry4x64_init (threefry4x64_rng_t *rng, uint64_t seed)
static uint64_t	threefry4x64_rand (threefry4x64_rng_t *rng)

Macro Definition Documentation

#define VSMC_DEFINE_RNG_URNG_INIT	(		RNG,
			N,
			W
	)

Value:

VSMC_STATIC_INLINE void RNG##N##x##W##_init(                             \
            RNG##N##x##W##_rng_t *rng, uint##W##_t seed)                     \
    {                                                                        \
        RNG##N##x##W##_ctr_t init_ctr = {{}};                                \
        RNG##N##x##W##_ukey_t ukey = {{}};                                   \
        rng->ctr = init_ctr;                                                 \
        rng->rnd = init_ctr;                                                 \
        ukey.v[0] = seed;                                                    \
        rng->key = RNG##N##x##W##keyinit(ukey);                              \
        rng->remain = 0;                                                     \
    }

Definition at line 187 of file urng.h.

#define VSMC_DEFINE_RNG_URNG_RAND	(		RNG,
			N,
			W
	)

Value:

VSMC_STATIC_INLINE uint##W##_t RNG##N##x##W##_rand(                      \
            RNG##N##x##W##_rng_t *rng)                                       \
    {                                                                        \
        unsigned char remain = rng->remain;                                  \
        RNG##N##x##W##_ctr_t rnd = rng->rnd;                                 \
                                                                             \
        if (remain > 0) {                                                    \
            --remain;                                                        \
            rng->remain = remain;                                            \
            return rnd.v[remain];                                            \
        }                                                                    \
                                                                             \
        RNG##N##x##W##_ctr_t ctr = rng->ctr;                                 \
        RNG##N##x##W##_key_t key = rng->key;                                 \
                                                                             \
        remain = N - 1;                                                      \
        ctr.v[0]++;                                                          \
        rnd = RNG##N##x##W(ctr, key);                                        \
                                                                             \
        rng->remain = remain;                                                \
        rng->rnd = rnd;                                                      \
        rng->ctr = ctr;                                                      \
        rng->key = key;                                                      \
                                                                             \
        return rnd.v[remain];                                                \
    }

Definition at line 200 of file urng.h.

#define VSMC_DEFINE_RNG_URNG_RNG_T	(		RNG,
			N,
			W
	)

Value:

typedef struct {                                                         \
        RNG##N##x##W##_key_t key;                                            \
        RNG##N##x##W##_ctr_t ctr;                                            \
        RNG##N##x##W##_ctr_t rnd;                                            \
        unsigned char remain;                                                \
    } RNG##N##x##W##_rng_t;

Definition at line 179 of file urng.h.