chigen::ChiGenRandomEngine Class Reference

#include <ChiGenRandomEngine.h>

Inheritance diagram for chigen::ChiGenRandomEngine:

Public Member Functions
	ChiGenRandomEngine (long seed=1L)
	~ChiGenRandomEngine ()
virtual double	random ()
virtual double	flat ()
int	getSeed () const

Private Attributes
long	seed

Detailed Description

Definition at line 16 of file ChiGenRandomEngine.h.

Constructor & Destructor Documentation

chigen::ChiGenRandomEngine::ChiGenRandomEngine

(

long

seed = 1L

)

Creates generator with fixed seed (1 is the default value)

Parameters

seed	seed (1 is the default value)

Definition at line 25 of file ChiGenRandomEngine.cxx.

References s, and seed.

                                                   {
    if (instance_created)
        throw std::runtime_error(std::string("ChiGenRandomEngine should be only one per session."));
    instance_created = true;
    seed = s;
    innerGenerator = boost::random::mt19937_64(seed);
    unif = boost::random::uniform_real_distribution<double>(0, 1);
}

chigen::ChiGenRandomEngine::~ChiGenRandomEngine

(

)

Definition at line 34 of file ChiGenRandomEngine.cxx.

                                              {
}

Member Function Documentation

double chigen::ChiGenRandomEngine::flat ( )

virtual

Returns next random double.

Returns

random double

Definition at line 41 of file ChiGenRandomEngine.cxx.

Referenced by chigen::PythiaChiGen::calculateHadronRemnants(), chigen::PythiaChiGen::calculateKinematics(), and chigen::models::ColorSingletPartonicModel::setKin().

                                      {
    return unif(innerGenerator);
}

int chigen::ChiGenRandomEngine::getSeed ( ) const

inline

Returns seed.

Returns

seed

Definition at line 46 of file ChiGenRandomEngine.h.

References seed.

                            {
            return seed;
        }

double chigen::ChiGenRandomEngine::random ( )

virtual

Returns next random double.

Returns

random double

Definition at line 37 of file ChiGenRandomEngine.cxx.

                                        {
    return unif(innerGenerator);
}

Member Data Documentation

long chigen::ChiGenRandomEngine::seed

private

Definition at line 52 of file ChiGenRandomEngine.h.

Referenced by ChiGenRandomEngine(), and getSeed().

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

• ChiGenRandomEngine.h
• ChiGenRandomEngine.cxx

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Generated on Wed Apr 3 2019 08:44:55 for FairRoot/PandaRoot by   1.8.5