scram::mef::GammaDeviate

Gamma distribution.

#include <random_deviate.h>

Inherits from scram::mef::RandomDeviate, scram::mef::Expression, boost::noncopyable

Public Functions

	Name
	GammaDeviate(Expression * k, Expression * theta)<br>Setup for Gamma distribution.
virtual void	Validate() const override
virtual double	value() override
virtual Interval	interval() override<br>The high is 99 percentile.

Additional inherited members

Public Functions inherited from scram::mef::RandomDeviate

	Name
virtual bool	IsDeviate() override<br>Determines if the value of the expression contains deviate expressions.
	Expression(std::vector< Expression * > args ={})<br>Constructor for use by derived classes to register their arguments.
void	seed(unsigned seed)<br>Sets the seed of the underlying random number generator.

Protected Functions inherited from scram::mef::RandomDeviate

	Name
std::mt19937 &	rng()

Public Functions inherited from scram::mef::Expression

	Name
	Expression(std::vector< Expression * > args ={})<br>Constructor for use by derived classes to register their arguments.
virtual	~Expression() =default
const std::vector< Expression * > &	args() const
virtual bool	IsDeviate()<br>Determines if the value of the expression contains deviate expressions.
double	Sample()
void	Reset()<br>This routine resets the sampling to get new values.

Protected Functions inherited from scram::mef::Expression

	Name
void	AddArg(Expression * arg)<br>Registers an additional argument expression.

Public Functions Documentation

function GammaDeviate

cpp

GammaDeviate(
    Expression * k,
    Expression * theta
)

Setup for Gamma distribution.

Parameters:

k Shape parameter of Gamma distribution.
theta Scale parameter of Gamma distribution.

function Validate

cpp

virtual void Validate() const override

Exceptions:

DomainError (k <= 0) or (theta <= 0)

Reimplements: scram::mef::Expression::Validate

function value

cpp

inline virtual double value() override

Return: The mean value of this expression.

Reimplements: scram::mef::Expression::value

function interval

cpp

virtual Interval interval() override

The high is 99 percentile.

Reimplements: scram::mef::Expression::interval

Updated on 2025-11-11 at 16:51:08 +0000

scram::mef::GammaDeviate ​

Public Functions ​

Additional inherited members ​

Public Functions Documentation ​

function GammaDeviate ​

function Validate ​

function value ​

function interval ​