mersenne-twister.cpp File Reference

#include <stdio.h>
#include "mersenne-twister.h"

Include dependency graph for mersenne-twister.cpp:

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Macros
#define	L31(x)   (0x7FFFFFFF & x)
#define	M32(x)   (0x80000000 & x)
#define	MD_UINT32_MAX   std::numeric_limits<uint32_t>::max()
#define	ODD(x)   (x & 1)
#define	UNROLL(expr)

Functions
static void	generate_numbers ()
int	mt_rand ()
void	mt_srand (unsigned value)
uint32_t	rand_u32 ()
uint64_t	rand_u64 ()
double	randd_cc ()
double	randd_co ()
double	randd_oo ()
float	randf_cc ()
float	randf_co ()
float	randf_oo ()
void	seed (uint32_t value)

Variables
static const unsigned	DIFF = SIZE - PERIOD
static unsigned	index = 0
static uint32_t	MT [SIZE]
static const unsigned	PERIOD = 397
static const unsigned	SIZE = 624

Macro Definition Documentation

#define L31

(

x

)

(0x7FFFFFFF & x)

Definition at line 39 of file mersenne-twister.cpp.

#define M32

(

x

)

(0x80000000 & x)

Definition at line 38 of file mersenne-twister.cpp.

#define MD_UINT32_MAX   std::numeric_limits<uint32_t>::max()

Definition at line 47 of file mersenne-twister.cpp.

#define ODD

(

x

)

(x & 1)

Definition at line 40 of file mersenne-twister.cpp.

#define UNROLL

(

expr

)

Value:

y = M32(MT[i]) | L31(MT[i+1]); \
  MT[i] = MT[expr] ^ (y>>1) ^ MATRIX[ODD(y)]; \
  ++i;

Definition at line 42 of file mersenne-twister.cpp.

Function Documentation

static void generate_numbers ( )

inlinestatic

Definition at line 49 of file mersenne-twister.cpp.

int mt_rand

(

)

Definition at line 171 of file mersenne-twister.cpp.

void mt_srand

(

unsigned

value

)

Definition at line 191 of file mersenne-twister.cpp.

uint32_t rand_u32

(

)

Definition at line 152 of file mersenne-twister.cpp.

uint64_t rand_u64

(

)

Definition at line 226 of file mersenne-twister.cpp.

double randd_cc

(

)

Definition at line 211 of file mersenne-twister.cpp.

double randd_co

(

)

Definition at line 216 of file mersenne-twister.cpp.

double randd_oo

(

)

Definition at line 221 of file mersenne-twister.cpp.

float randf_cc

(

)

Definition at line 196 of file mersenne-twister.cpp.

float randf_co

(

)

Definition at line 201 of file mersenne-twister.cpp.

float randf_oo

(

)

Definition at line 206 of file mersenne-twister.cpp.

void seed

(

uint32_t

value

)

Definition at line 111 of file mersenne-twister.cpp.

Variable Documentation

const unsigned DIFF = SIZE - PERIOD

static

Definition at line 33 of file mersenne-twister.cpp.

unsigned index = 0

static

Definition at line 36 of file mersenne-twister.cpp.

uint32_t MT[SIZE]

static

Definition at line 35 of file mersenne-twister.cpp.

const unsigned PERIOD = 397

static

Definition at line 32 of file mersenne-twister.cpp.

const unsigned SIZE = 624

static

Definition at line 31 of file mersenne-twister.cpp.