isaac64.h File Reference

#include <nrnconf.h>

Go to the source code of this file.

Classes
struct	isaac64_state

Macros
#define	RANDSIZL   (4) /* I recommend 8 for crypto, 4 for simulations */
#define	RANDSIZ   (1<<RANDSIZL)
#define	RANDMAX   (2*RANDSIZ)
#define	DBL32   (2.3283064365386962890625e-10)
#define	DBL53   (1.1102230246251565404236316680908203125e-16)
#define	DBL64   (5.42101086242752217003726400434970855712890625e-20)
#define	MSK53   0x001FFFFFFFFFFFFFLL
#define	isaac64_uint32(rng)
#define	isaac64_uint64(rng)
#define	isaac64_dbl32(rng)
#define	isaac64_dbl53(rng)
#define	isaac64_dbl64(rng)

Typedefs
typedef unsigned long long	ub8
typedef unsigned int	ub4
typedef unsigned short int	ub2
typedef unsigned char	ub1

Functions
void	isaac64_init (struct isaac64_state *rng, ub4 seed)
void	isaac64_generate (struct isaac64_state *rng)

Macro Definition Documentation

DBL32

#define DBL32   (2.3283064365386962890625e-10)

Definition at line 36 of file isaac64.h.

DBL53

#define DBL53   (1.1102230246251565404236316680908203125e-16)

Definition at line 37 of file isaac64.h.

DBL64

#define DBL64   (5.42101086242752217003726400434970855712890625e-20)

Definition at line 38 of file isaac64.h.

isaac64_dbl32

#define isaac64_dbl32

(

rng

)

Value:

(rng->randcnt>0 ? \
     ( DBL32 * (*(((ub4 *)(rng->randrsl)) + (rng->randcnt-=1)) ) ) : \
     ( isaac64_generate(rng), \
       rng->randcnt=RANDMAX-1, \
       DBL32 * (*(((ub4 *)(rng->randrsl)) + rng->randcnt)) ))

Definition at line 77 of file isaac64.h.

isaac64_dbl53

#define isaac64_dbl53

(

rng

)

Value:

(rng->randcnt>1 ? \
     ( DBL53 * ((*((ub8 *)(((ub4 *)(rng->randrsl)) + (rng->randcnt-=2))))>>11) ) : \
     ( isaac64_generate(rng), \
       rng->randcnt=RANDMAX-2, \
       DBL64 * ((*((ub8 *)(((ub4 *)(rng->randrsl)) + rng->randcnt)))>>11) ))

Definition at line 84 of file isaac64.h.

isaac64_dbl64

#define isaac64_dbl64

(

rng

)

Value:

(rng->randcnt>1 ? \
     ( DBL64 * (*((ub8 *)(((ub4 *)(rng->randrsl)) + (rng->randcnt-=2)))) ) : \
     ( isaac64_generate(rng), \
       rng->randcnt=RANDMAX-2, \
       DBL64 * (*((ub8 *)(((ub4 *)(rng->randrsl)) + rng->randcnt))) ))

Definition at line 91 of file isaac64.h.

isaac64_uint32

#define isaac64_uint32

(

rng

)

Value:

(rng->randcnt>0 ? \
     ( *(((ub4 *)(rng->randrsl)) + (rng->randcnt-=1)) ) : \
     ( isaac64_generate(rng), \
       rng->randcnt=RANDMAX-1, \
       *(((ub4 *)(rng->randrsl)) + rng->randcnt) ))

Definition at line 63 of file isaac64.h.

isaac64_uint64

#define isaac64_uint64

(

rng

)

Value:

(rng->randcnt>1 ? \
     ( *((ub8 *)(((ub4 *)(rng->randrsl)) + (rng->randcnt-=2))) ) : \
     ( isaac64_generate(rng), \
       rng->randcnt=RANDMAX-2, \
       *((ub8 *)(((ub4 *)(rng->randrsl)) + rng->randcnt)) ))

Definition at line 70 of file isaac64.h.

MSK53

#define MSK53   0x001FFFFFFFFFFFFFLL

Definition at line 39 of file isaac64.h.

RANDMAX

#define RANDMAX   (2*RANDSIZ)

Definition at line 25 of file isaac64.h.

RANDSIZ

#define RANDSIZ   (1<<RANDSIZL)

Definition at line 24 of file isaac64.h.

RANDSIZL

#define RANDSIZL   (4) /* I recommend 8 for crypto, 4 for simulations */

Definition at line 23 of file isaac64.h.

Typedef Documentation

ub1

typedef unsigned char ub1

Definition at line 34 of file isaac64.h.

ub2

typedef unsigned short int ub2

Definition at line 33 of file isaac64.h.

ub4

typedef unsigned int ub4

Definition at line 31 of file isaac64.h.

ub8

typedef unsigned long long ub8

Definition at line 27 of file isaac64.h.

Function Documentation

isaac64_generate()

void isaac64_generate

(

struct isaac64_state *

rng

)

Definition at line 42 of file isaac64.cpp.

isaac64_init()

void isaac64_init	(	struct isaac64_state *	rng,
		ub4	seed
	)

Definition at line 67 of file isaac64.cpp.