rng.cc File Reference

member functions of the Rng class and gsl_rng code More...

#include "rng.h"
#include <cstring>
#include <iostream>
#include <algorithm>
#include <vector>
#include <climits>
#include <cstddef>
#include <cstdlib>
#include <cstdio>
#include "arts.h"
#include "messages.h"

Go to the source code of this file.

Classes
struct	mt_state_t

Macros
#define	N   624 /* Period parameters */
#define	M   397
#define	MAGIC(y)   (((y)&0x1) ? 0x9908b0dfUL : 0)
#define	N1   100
#define	ADD(t)   {if (i==N1) abort(); gsl_rng_generator_types[i] = (t); i++; };

Functions
const gsl_rng_type **	gsl_rng_types_setup (void)
void	gsl_stream_printf (const char *label, const char *file, int line, const char *reason)
gsl_stream_handler_t *	gsl_set_stream_handler (gsl_stream_handler_t *new_handler)
FILE *	gsl_set_stream (FILE *new_stream)
void	gsl_error (const char *reason, const char *file, int line, int gsl_errno)
gsl_error_handler_t *	gsl_set_error_handler (gsl_error_handler_t *new_handler)
gsl_error_handler_t *	gsl_set_error_handler_off (void)
gsl_rng *	gsl_rng_alloc (const gsl_rng_type *T)
int	gsl_rng_memcpy (gsl_rng *dest, const gsl_rng *src)
gsl_rng *	gsl_rng_clone (const gsl_rng *q)
void	gsl_rng_set (const gsl_rng *r, unsigned long int seed)
unsigned long int	gsl_rng_get (const gsl_rng *r)
double	gsl_rng_uniform (const gsl_rng *r)
double	gsl_rng_uniform_pos (const gsl_rng *r)
unsigned long int	gsl_rng_uniform_int (const gsl_rng *r, unsigned long int n)
unsigned long int	gsl_rng_max (const gsl_rng *r)
unsigned long int	gsl_rng_min (const gsl_rng *r)
const char *	gsl_rng_name (const gsl_rng *r)
size_t	gsl_rng_size (const gsl_rng *r)
void *	gsl_rng_state (const gsl_rng *r)
void	gsl_rng_print_state (const gsl_rng *r)
void	gsl_rng_free (gsl_rng *r)

Variables
const gsl_rng_type *	gsl_rng_mt19937 = &mt_type
unsigned long int	gsl_rng_default_seed = 0
const gsl_rng_type *	gsl_rng_generator_types [N1]
FILE *	gsl_stream = NULL
gsl_stream_handler_t *	gsl_stream_handler = NULL
gsl_error_handler_t *	gsl_error_handler = NULL

Detailed Description

member functions of the Rng class and gsl_rng code

Author

Cory Davis cory@.nosp@m.met..nosp@m.ed.ac.nosp@m..uk

Date

2003-06-26

The Rng class is a simple class that uses the gsl_rng_mt_19937 random number generator from the GNU Scientific Library http://www.gnu.org/software/gsl/.

The period of this generator is 2^{19937} - 1.

Definition in file rng.cc.

Macro Definition Documentation

ADD

#define ADD

(

t

)

{if (i==N1) abort(); gsl_rng_generator_types[i] = (t); i++; };

Definition at line 325 of file rng.cc.

M

#define M   397

Definition at line 196 of file rng.cc.

MAGIC

#define MAGIC

(

y

)

(((y)&0x1) ? 0x9908b0dfUL : 0)

N

#define N   624 /* Period parameters */

Definition at line 195 of file rng.cc.

N1

#define N1   100

Definition at line 321 of file rng.cc.

Function Documentation

gsl_error()

void gsl_error	(	const char *	reason,
		const char *	file,
		int	line,
		int	gsl_errno
	)

Definition at line 482 of file rng.cc.

References gsl_error_handler, and gsl_stream_printf().

gsl_rng_alloc()

gsl_rng* gsl_rng_alloc

(

const gsl_rng_type *

T

)

Definition at line 541 of file rng.cc.

References GSL_ENOMEM, GSL_ERROR_VAL, gsl_rng_default_seed, gsl_rng_set(), gsl_rng_type::size, gsl_rng::state, and gsl_rng::type.

Referenced by Rng::Rng().

gsl_rng_clone()

gsl_rng* gsl_rng_clone

(

const gsl_rng *

q

)

Definition at line 583 of file rng.cc.

References GSL_ENOMEM, GSL_ERROR_VAL, q, gsl_rng::state, and gsl_rng::type.

gsl_rng_free()

void gsl_rng_free

(

gsl_rng *

r

)

Definition at line 712 of file rng.cc.

References gsl_rng::state.

Referenced by Rng::~Rng().

gsl_rng_get()

unsigned long int gsl_rng_get

(

const gsl_rng *

r

)

Definition at line 618 of file rng.cc.

References gsl_rng_type::get, gsl_rng::state, and gsl_rng::type.

gsl_rng_max()

unsigned long int gsl_rng_max

(

const gsl_rng *

r

)

Definition at line 667 of file rng.cc.

References gsl_rng_type::max, and gsl_rng::type.

gsl_rng_memcpy()

int gsl_rng_memcpy	(	gsl_rng *	dest,
		const gsl_rng *	src
	)

Definition at line 570 of file rng.cc.

References GSL_EINVAL, GSL_ERROR, GSL_SUCCESS, gsl_rng_type::size, gsl_rng::state, and gsl_rng::type.

gsl_rng_min()

unsigned long int gsl_rng_min

(

const gsl_rng *

r

)

Definition at line 673 of file rng.cc.

References gsl_rng_type::min, and gsl_rng::type.

gsl_rng_name()

const char* gsl_rng_name

(

const gsl_rng *

r

)

Definition at line 679 of file rng.cc.

References gsl_rng_type::name, and gsl_rng::type.

gsl_rng_print_state()

void gsl_rng_print_state

(

const gsl_rng *

r

)

Definition at line 697 of file rng.cc.

References gsl_rng_type::size, gsl_rng::state, and gsl_rng::type.

gsl_rng_set()

void gsl_rng_set	(	const gsl_rng *	r,
		unsigned long int	seed
	)

Definition at line 611 of file rng.cc.

References gsl_rng_type::set, gsl_rng::state, and gsl_rng::type.

Referenced by Rng::force_seed(), gsl_rng_alloc(), and Rng::seed().

gsl_rng_size()

size_t gsl_rng_size

(

const gsl_rng *

r

)

Definition at line 685 of file rng.cc.

References gsl_rng_type::size, and gsl_rng::type.

gsl_rng_state()

void* gsl_rng_state

(

const gsl_rng *

r

)

Definition at line 691 of file rng.cc.

References gsl_rng::state.

gsl_rng_types_setup()

const gsl_rng_type** gsl_rng_types_setup

(

void

)

Definition at line 328 of file rng.cc.

References ADD, gsl_rng_generator_types, and gsl_rng_mt19937.

gsl_rng_uniform()

double gsl_rng_uniform

(

const gsl_rng *

r

)

Definition at line 624 of file rng.cc.

References gsl_rng_type::get_double, gsl_rng::state, and gsl_rng::type.

Referenced by Rng::draw().

gsl_rng_uniform_int()

unsigned long int gsl_rng_uniform_int	(	const gsl_rng *	r,
		unsigned long int	n
	)

Definition at line 643 of file rng.cc.

References gsl_rng_type::get, GSL_EINVAL, GSL_ERROR_VAL, gsl_rng_type::max, gsl_rng_type::min, gsl_rng::state, and gsl_rng::type.

gsl_rng_uniform_pos()

double gsl_rng_uniform_pos

(

const gsl_rng *

r

)

Definition at line 630 of file rng.cc.

References gsl_rng_type::get_double, gsl_rng::state, and gsl_rng::type.

gsl_set_error_handler()

gsl_error_handler_t* gsl_set_error_handler

(

gsl_error_handler_t *

new_handler

)

Definition at line 497 of file rng.cc.

References gsl_error_handler.

gsl_set_error_handler_off()

gsl_error_handler_t* gsl_set_error_handler_off

(

void

)

Definition at line 506 of file rng.cc.

References gsl_error_handler.

gsl_set_stream()

FILE* gsl_set_stream

(

FILE *

new_stream

)

Definition at line 446 of file rng.cc.

References gsl_stream.

gsl_set_stream_handler()

gsl_stream_handler_t* gsl_set_stream_handler

(

gsl_stream_handler_t *

new_handler

)

Definition at line 438 of file rng.cc.

References gsl_stream_handler.

gsl_stream_printf()

void gsl_stream_printf	(	const char *	label,
		const char *	file,
		int	line,
		const char *	reason
	)

Definition at line 421 of file rng.cc.

References gsl_stream, and gsl_stream_handler.

Referenced by gsl_error().

Variable Documentation

gsl_error_handler

gsl_error_handler_t* gsl_error_handler = NULL

Definition at line 477 of file rng.cc.

Referenced by gsl_error(), gsl_set_error_handler(), and gsl_set_error_handler_off().

gsl_rng_default_seed

unsigned long int gsl_rng_default_seed = 0

Definition at line 301 of file rng.cc.

Referenced by gsl_rng_alloc().

gsl_rng_generator_types

const gsl_rng_type* gsl_rng_generator_types[N1]

Definition at line 323 of file rng.cc.

Referenced by gsl_rng_types_setup().

gsl_rng_mt19937

const gsl_rng_type* gsl_rng_mt19937 = &mt_type

Definition at line 300 of file rng.cc.

Referenced by gsl_rng_types_setup(), and Rng::Rng().

gsl_stream

FILE* gsl_stream = NULL

Definition at line 417 of file rng.cc.

Referenced by gsl_set_stream(), and gsl_stream_printf().

gsl_stream_handler

gsl_stream_handler_t* gsl_stream_handler = NULL

Definition at line 418 of file rng.cc.

Referenced by gsl_set_stream_handler(), and gsl_stream_printf().