Random Class Reference

The OPALX expression random generator. More...

#include <ExpressionRandom.h>

Collaboration diagram for Random:

Public Member Functions
	Random ()
	Constructor with default seed.
	Random (int seed)
	Constructor with given seed.
	~Random ()
void	reseed (int seed=123456789)
	Set a new seed.
double	uniform ()
	Uniform distribution.
void	gauss (double &gr1, double &gr2)
	Gaussian distribution.
int	integer ()
	Uniform distribution.
void	init55 (int seed)
	Initialise random number generator.

Private Member Functions
void	irngen ()

Private Attributes
int	irn [nr]
int	next

Detailed Description

The OPALX expression random generator.

Definition at line 35 of file ExpressionRandom.h.

Constructor & Destructor Documentation

Random() [1/2]

Random::Random

(

)

Constructor with default seed.

Definition at line 27 of file ExpressionRandom.cpp.

References init55().

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Random() [2/2]

Random::Random

(

int

seed

)

Constructor with given seed.

Definition at line 33 of file ExpressionRandom.cpp.

References init55().

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~Random()

Random::~Random

(

)

Definition at line 36 of file ExpressionRandom.cpp.

Member Function Documentation

gauss()

void Random::gauss	(	double &	gr1,
		double &	gr2
	)

Gaussian distribution.

Definition at line 51 of file ExpressionRandom.cpp.

References uniform().

Referenced by Expressions::gauss(), and Expressions::Tgauss().

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init55()

void Random::init55

(

int

seed

)

Initialise random number generator.

Definition at line 76 of file ExpressionRandom.cpp.

References irn, irngen(), next, and nr.

Referenced by Option::execute(), Random(), Random(), and reseed().

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integer()

int Random::integer

(

)

Uniform distribution.

Definition at line 69 of file ExpressionRandom.cpp.

References irn, irngen(), next, and nr.

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irngen()

void Random::irngen ( )

private

Definition at line 106 of file ExpressionRandom.cpp.

References irn, next, and nr.

Referenced by init55(), integer(), and uniform().

reseed()

void Random::reseed

(

int

seed = 123456789

)

Set a new seed.

Definition at line 39 of file ExpressionRandom.cpp.

References init55().

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uniform()

double Random::uniform

(

)

Uniform distribution.

Definition at line 42 of file ExpressionRandom.cpp.

References irn, irngen(), next, and nr.

Referenced by gauss(), and Expressions::ranf().

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Member Data Documentation

irn

int Random::irn[nr]

private

Definition at line 71 of file ExpressionRandom.h.

Referenced by init55(), integer(), irngen(), and uniform().

next

int Random::next

private

Definition at line 74 of file ExpressionRandom.h.

Referenced by init55(), integer(), irngen(), and uniform().

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

• ExpressionRandom.h
• ExpressionRandom.cpp