RandomGenerators.h File Reference

#include <cmath>
#include "MersenneTwister.h"
#include "HRGEventGenerator/MomentumDistribution.h"
#include "HRGBase/ThermalParticle.h"
#include <random>

Go to the source code of this file.

Classes
struct	thermalfist::RandomGenerators::BesselDistributionGenerator
	Generator of a random number from the Bessel distribution (a, nu), nu is integer Uses methods from https://www.sciencedirect.com/science/article/pii/S016771520200055X Used in event generator with exact conservation of charges to generate two Poisson numbers with fixed difference, as described in https://arxiv.org/pdf/1609.01087.pdf. More...
class	thermalfist::RandomGenerators::ParticleMomentumGenerator
	Base class for Monte Carlo sampling of particle momenta. More...
class	thermalfist::RandomGenerators::ThermalMomentumGenerator
	Class for generating the absolute values of the momentum of a particle in its local rest frame. More...
class	thermalfist::RandomGenerators::SiemensRasmussenMomentumGenerator
	Class for generating the momentum of a particle in accordance with the Siemens-Rasmussen formula. More...
class	thermalfist::RandomGenerators::SiemensRasmussenMomentumGeneratorGeneralized
	A generalized class for generating the momentum of a particle in accordance with the Siemens-Rasmussen spherically symmetric blast-wave model which is able to incorporate Fermi-Dirac and Bose-Einstein statistics. More...
class	thermalfist::RandomGenerators::BoostInvariantMomentumGenerator
	Class for generating momentum of a particle in accordance with a longitudinally boost invariant and azimuthally symmetric freeze-out model. More...
class	thermalfist::RandomGenerators::BreitWignerGenerator
	Class for generating mass of resonance in accordance with the relativistic Breit-Wigner distribution. More...
class	thermalfist::RandomGenerators::ThermalBreitWignerGenerator
	Class for generating mass of resonance in accordance with the constant width Breit-Wigner distribution multiplied by the thermal density. More...
class	thermalfist::RandomGenerators::ThermalEnergyBreitWignerGenerator
	Class for generating mass of resonance in accordance with the energy-dependent Breit-Wigner distribution multiplied by the thermal density. More...
class	thermalfist::RandomGenerators::SSHMomentumGenerator
	Class for generating the momentum of a particle in accordance with the longitudinally symmetric blast-wave model. More...

Namespaces
namespace	thermalfist
	The main namespace where all classes and functions of the Thermal-FIST library reside.
namespace	thermalfist::RandomGenerators
	Contains random generator functions used in the Monte Carlo Thermal Event Generator.

Functions
void	thermalfist::RandomGenerators::SetSeed (const unsigned int seed)
	Set the seed of the random number generator randgenMT.
int	thermalfist::RandomGenerators::RandomPoisson (double mean)
	Generates random integer distributed by Poisson with specified mean Uses randgenMT.
int	thermalfist::RandomGenerators::RandomPoisson (double mean, MTRand &rangen)
	Same as randgenMT(double) but uses the provided instance of the Mersenne Twister random number generator.
double	thermalfist::RandomGenerators::SkellamProbability (int k, double mu1, double mu2)
	Probability of a Skellam distributed random variable with Poisson means mu1 and mu2 to have the value of k.

Variables
MTRand	thermalfist::RandomGenerators::randgenMT
	The Mersenne Twister random number generator.
std::mt19937	thermalfist::RandomGenerators::rng_std
	The Mersenne Twister random number generator from STD library.