opencog::MT19937RandGen Class Reference

#include <mt19937ar.h>

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List of all members.

Public Member Functions
	MT19937RandGen (unsigned long s)
	MT19937RandGen (unsigned long init_key[], int key_length)
	~MT19937RandGen ()
int	randint ()
float	randfloat ()
double	randdouble ()
double	randDoubleOneExcluded ()
int	randint (int n)
int	randPositiveNegative ()
unsigned int	pos_gaussian_rand (unsigned int std_dev, unsigned int mean)
bool	randbool ()
bool	biased_randbool (float b)
Private Member Functions
void	init ()
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)
Private Attributes
unsigned long *	mt
int	mti
Static Private Attributes
static int	N = 624
static int	M = 397
static unsigned long	MATRIX_A = 0x9908b0dfUL
static unsigned long	UPPER_MASK = 0x80000000UL
static unsigned long	LOWER_MASK = 0x7fffffffUL

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Detailed Description

Definition at line 55 of file mt19937ar.h.

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Constructor & Destructor Documentation

MT19937RandGen::MT19937RandGen

(

unsigned long

s

)

Definition at line 21 of file mt19937ar.cc.

References init(), and init_genrand().

MT19937RandGen::MT19937RandGen	(	unsigned long	init_key[],
		int	key_length
	)

Definition at line 26 of file mt19937ar.cc.

References init(), and init_by_array().

MT19937RandGen::~MT19937RandGen

(

)

Definition at line 31 of file mt19937ar.cc.

References mt.

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Member Function Documentation

void MT19937RandGen::init

(

void

)

[private]

Definition at line 132 of file mt19937ar.cc.

References mt, mti, and N.

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void MT19937RandGen::init_genrand

(

unsigned long

s

)

[private]

Definition at line 138 of file mt19937ar.cc.

References mt, mti, and N.

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void MT19937RandGen::init_by_array	(	unsigned long	init_key[],
		int	key_length
	)			[private]

Definition at line 157 of file mt19937ar.cc.

References init_genrand(), mt, and N.

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unsigned long MT19937RandGen::genrand_int32

(

void

)

[private]

Definition at line 183 of file mt19937ar.cc.

References init_genrand(), LOWER_MASK, M, MATRIX_A, mt, mti, N, and UPPER_MASK.

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long MT19937RandGen::genrand_int31

(

void

)

[private]

Definition at line 221 of file mt19937ar.cc.

References genrand_int32().

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double MT19937RandGen::genrand_real1

(

void

)

[private]

Definition at line 228 of file mt19937ar.cc.

References genrand_int32().

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double MT19937RandGen::genrand_real2

(

void

)

[private]

Definition at line 235 of file mt19937ar.cc.

References genrand_int32().

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double MT19937RandGen::genrand_real3

(

void

)

[private]

Definition at line 242 of file mt19937ar.cc.

References genrand_int32().

double MT19937RandGen::genrand_res53

(

void

)

[private]

Definition at line 249 of file mt19937ar.cc.

References b(), and genrand_int32().

int MT19937RandGen::randint

(

)

[virtual]

Implements opencog::RandGen.

Definition at line 36 of file mt19937ar.cc.

References opencog::Logger::debug(), genrand_int31(), and opencog::logger().

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float MT19937RandGen::randfloat

(

)

[virtual]

Implements opencog::RandGen.

Definition at line 46 of file mt19937ar.cc.

References opencog::Logger::debug(), genrand_real1(), and opencog::logger().

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double MT19937RandGen::randdouble

(

)

[virtual]

Implements opencog::RandGen.

Definition at line 56 of file mt19937ar.cc.

References opencog::Logger::debug(), genrand_real1(), and opencog::logger().

double MT19937RandGen::randDoubleOneExcluded

(

)

[virtual]

Implements opencog::RandGen.

Definition at line 66 of file mt19937ar.cc.

References opencog::Logger::debug(), genrand_real2(), and opencog::logger().

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int MT19937RandGen::randint

(

int

n

)

[virtual]

Implements opencog::RandGen.

Definition at line 76 of file mt19937ar.cc.

References opencog::Logger::debug(), genrand_int31(), and opencog::logger().

int MT19937RandGen::randPositiveNegative

(

)

[virtual]

Implements opencog::RandGen.

Definition at line 86 of file mt19937ar.cc.

References opencog::Logger::debug(), opencog::logger(), and randint().

unsigned int MT19937RandGen::pos_gaussian_rand	(	unsigned int	std_dev,
		unsigned int	mean
	)			[virtual]

Implements opencog::RandGen.

Definition at line 96 of file mt19937ar.cc.

References opencog::Logger::debug(), combo::id::log, opencog::logger(), PI, and randDoubleOneExcluded().

bool MT19937RandGen::randbool

(

)

[virtual]

Implements opencog::RandGen.

Definition at line 110 of file mt19937ar.cc.

References opencog::Logger::debug(), genrand_int31(), and opencog::logger().

bool MT19937RandGen::biased_randbool

(

float

b

)

[virtual]

Implements opencog::RandGen.

Definition at line 121 of file mt19937ar.cc.

References opencog::Logger::debug(), opencog::logger(), and randfloat().

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Member Data Documentation

int MT19937RandGen::N = 624 [static, private]

Definition at line 61 of file mt19937ar.h.

int MT19937RandGen::M = 397 [static, private]

Definition at line 62 of file mt19937ar.h.

unsigned long MT19937RandGen::MATRIX_A = 0x9908b0dfUL [static, private]

Definition at line 63 of file mt19937ar.h.

unsigned long MT19937RandGen::UPPER_MASK = 0x80000000UL [static, private]

Definition at line 64 of file mt19937ar.h.

unsigned long MT19937RandGen::LOWER_MASK = 0x7fffffffUL [static, private]

Definition at line 65 of file mt19937ar.h.

unsigned long* opencog::MT19937RandGen::mt [private]

Definition at line 67 of file mt19937ar.h.

int opencog::MT19937RandGen::mti [private]

Definition at line 68 of file mt19937ar.h.

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The documentation for this class was generated from the following files:

• opencog/util/mt19937ar.h
• opencog/util/mt19937ar.cc