rand.c File Reference

#include "rand.h"

Macros
#define	M   397
#define	MATRIX_A   0x9908b0df
#define	UPPER_MASK   0x80000000
#define	LOWER_MASK   0x7fffffff
#define	TEMPERING_MASK_B   0x9d2c5680
#define	TEMPERING_MASK_C   0xefc60000
#define	TEMPERING_SHIFT_U(y)   (y >> 11)
#define	TEMPERING_SHIFT_S(y)   (y << 7)
#define	TEMPERING_SHIFT_T(y)   (y << 15)
#define	TEMPERING_SHIFT_L(y)   (y >> 18)

Functions
void	mt19937_init (mt19937_state *state, uint32_t seed)
uint32_t	mt19937_gen32 (mt19937_state *state)
static int	rdseed (void)
static int	rdrand (void)
static uint32_t	get_seed (void)
void	srand (uint32_t seed)
uint32_t	rand (void)

Variables
static mt19937_state	mt19937_global_state
static int	mt19937_global_initialized = 0

Macro Definition Documentation

LOWER_MASK

#define LOWER_MASK   0x7fffffff

M

#define M   397

MATRIX_A

#define MATRIX_A   0x9908b0df

TEMPERING_MASK_B

#define TEMPERING_MASK_B   0x9d2c5680

TEMPERING_MASK_C

#define TEMPERING_MASK_C   0xefc60000

TEMPERING_SHIFT_L

#define TEMPERING_SHIFT_L

(

y

)

(y >> 18)

TEMPERING_SHIFT_S

#define TEMPERING_SHIFT_S

(

y

)

(y << 7)

TEMPERING_SHIFT_T

#define TEMPERING_SHIFT_T

(

y

)

(y << 15)

TEMPERING_SHIFT_U

#define TEMPERING_SHIFT_U

(

y

)

(y >> 11)

UPPER_MASK

#define UPPER_MASK   0x80000000

Function Documentation

get_seed()

static uint32_t get_seed ( void  )

static

mt19937_gen32()

uint32_t mt19937_gen32

(

mt19937_state *

state

)

mt19937_init()

void mt19937_init	(	mt19937_state *	state,
		uint32_t	seed
	)

rand()

uint32_t rand

(

void

)

rdrand()

static int rdrand ( void  )

inlinestatic

rdseed()

static int rdseed ( void  )

inlinestatic

srand()

void srand

(

uint32_t

seed

)

Variable Documentation

mt19937_global_initialized

int mt19937_global_initialized = 0

static

mt19937_global_state

mt19937_state mt19937_global_state

static