randmtzig.c File Reference

#include <stdio.h>
#include <time.h>
#include "lo-math.h"
#include "randmtzig.h"

Include dependency graph for randmtzig.c:

Defines
#define	USE_X86_32   0
#define	MT_M   397
#define	MATRIX_A   0x9908b0dfUL
#define	UMASK   0x80000000UL
#define	LMASK   0x7fffffffUL
#define	MIXBITS(u, v)   ( ((u) & UMASK) | ((v) & LMASK) )
#define	TWIST(u, v)   ((MIXBITS(u,v) >> 1) ^ ((v)&1UL ? MATRIX_A : 0UL))
#define	randi32   randmt
#define	ZIGINT   uint64_t
#define	EMANTISSA   9007199254740992.0
#define	ERANDI   randi53()
#define	NMANTISSA   EMANTISSA
#define	NRANDI   randi54()
#define	RANDU   randu53()
#define	ZIGGURAT_TABLE_SIZE   256
#define	ZIGGURAT_NOR_R   3.6541528853610088
#define	ZIGGURAT_NOR_INV_R   0.27366123732975828
#define	NOR_SECTION_AREA   0.00492867323399
#define	ZIGGURAT_EXP_R   7.69711747013104972
#define	ZIGGURAT_EXP_INV_R   0.129918765548341586
#define	EXP_SECTION_AREA   0.0039496598225815571993
Functions
void	oct_init_by_int (uint32_t s)
void	oct_init_by_array (uint32_t *init_key, int key_length)
void	oct_init_by_entropy (void)
void	oct_set_state (uint32_t *save)
void	oct_get_state (uint32_t *save)
double	oct_randu (void)
double	oct_randn (void)
double	oct_rande (void)
void	oct_fill_randu (octave_idx_type n, double *p)
void	oct_fill_randn (octave_idx_type n, double *p)
void	oct_fill_rande (octave_idx_type n, double *p)

---

Define Documentation

#define EMANTISSA   9007199254740992.0

#define ERANDI   randi53()

#define EXP_SECTION_AREA   0.0039496598225815571993

#define LMASK   0x7fffffffUL

#define MATRIX_A   0x9908b0dfUL

#define MIXBITS	(	u,
		v		)	( ((u) & UMASK) | ((v) & LMASK) )

#define MT_M   397

#define NMANTISSA   EMANTISSA

#define NOR_SECTION_AREA   0.00492867323399

#define NRANDI   randi54()

#define randi32   randmt

#define RANDU   randu53()

#define TWIST	(	u,
		v		)	((MIXBITS(u,v) >> 1) ^ ((v)&1UL ? MATRIX_A : 0UL))

#define UMASK   0x80000000UL

#define USE_X86_32   0

#define ZIGGURAT_EXP_INV_R   0.129918765548341586

#define ZIGGURAT_EXP_R   7.69711747013104972

#define ZIGGURAT_NOR_INV_R   0.27366123732975828

#define ZIGGURAT_NOR_R   3.6541528853610088

#define ZIGGURAT_TABLE_SIZE   256

#define ZIGINT   uint64_t

---

Function Documentation

void oct_fill_rande	(	octave_idx_type	n,
		double *	p
	)

void oct_fill_randn	(	octave_idx_type	n,
		double *	p
	)

void oct_fill_randu	(	octave_idx_type	n,
		double *	p
	)

void oct_get_state

(

uint32_t *

save

)

void oct_init_by_array	(	uint32_t *	init_key,
		int	key_length
	)

void oct_init_by_entropy

(

void

)

void oct_init_by_int

(

uint32_t

s

)

double oct_rande

(

void

)

double oct_randn

(

void

)

double oct_randu

(

void

)

void oct_set_state

(

uint32_t *

save

)