#include <stdio.h>
#include "mt19937ar.h"

Macros
#define	N 624

#define	M 397

#define	MATRIX_A 0x9908b0dfUL

#define	UPPER_MASK 0x80000000UL

#define	LOWER_MASK 0x7fffffffUL

Functions
void	init_genrand (unsigned long s)

void	init_by_array (unsigned long init_key[], int key_length)

unsigned long	genrand_int32 (void)

long	genrand_int31 (void)

double	genrand_real1 (void)

double	genrand_real2 (void)

double	genrand_real3 (void)

double	genrand_res53 (void)

Variables
static unsigned long	mt [N]

static int	mti = N + 1

Detailed Description

Mersenne twister random number generator.

Definition in file mt19937ar.c.

Macro Definition Documentation

◆ LOWER_MASK

#define LOWER_MASK 0x7fffffffUL

Definition at line 59 of file mt19937ar.c.

◆ M

#define M 397

Definition at line 56 of file mt19937ar.c.

◆ MATRIX_A

#define MATRIX_A 0x9908b0dfUL

Definition at line 57 of file mt19937ar.c.

◆ N

#define N 624

Definition at line 55 of file mt19937ar.c.

◆ UPPER_MASK

#define UPPER_MASK 0x80000000UL

Definition at line 58 of file mt19937ar.c.

Function Documentation

◆ genrand_int31()

long genrand_int31 ( void )

generates a random number on [0,0x7fffffff]-interval

Returns: A random integer with 31-bit resolution.

Definition at line 172 of file mt19937ar.c.

◆ genrand_int32()

unsigned long genrand_int32 ( void )

generates a random number on [0,0xffffffff]-interval

Returns: A random integer with 32-bit resolution.

Definition at line 128 of file mt19937ar.c.

◆ genrand_real1()

double genrand_real1 ( void )

generates a random number on [0,1]-real-interval

Returns: A random number [0,1].

Definition at line 181 of file mt19937ar.c.

◆ genrand_real2()

double genrand_real2 ( void )

generates a random number on [0,1)-real-interval

Returns: A random number [0,1).

Definition at line 191 of file mt19937ar.c.

◆ genrand_real3()

double genrand_real3 ( void )

generates a random number on (0,1)-real-interval

Returns: A random number (0,1).

Definition at line 201 of file mt19937ar.c.

◆ genrand_res53()

double genrand_res53 ( void )

generates a random number on [0,1) with 53-bit resolution

Returns: A random numer [0,1) with 53-bit resolution.

Definition at line 211 of file mt19937ar.c.

◆ init_by_array()

void init_by_array	(	unsigned long	init_key[],
		int	key_length
	)

Initialize by an array with array-length Slight change for C++, 2004/2/26

Parameters

init_key	The array for initializing keys
key_length	Length of the array

Definition at line 90 of file mt19937ar.c.

◆ init_genrand()

void init_genrand ( unsigned long s )

Initializes mt[N] with a seed

Parameters

s	Seed value for the random number generator.

Definition at line 68 of file mt19937ar.c.

Variable Documentation

◆ mt

unsigned long mt[N]

static

Definition at line 61 of file mt19937ar.c.

◆ mti

int mti = N + 1