RandomEngineAndDistribution Class Reference

#include <RandomEngineAndDistribution.h>

Public Member Functions
double	flatShoot (double xmin=0.0, double xmax=1.0) const
double	gaussShoot (double mean=0.0, double sigma=1.0) const
unsigned int	poissonShoot (double mean) const
	RandomEngineAndDistribution (edm::LuminosityBlockIndex const &)
	RandomEngineAndDistribution (edm::StreamID const &)
CLHEP::HepRandomEngine &	theEngine () const
	~RandomEngineAndDistribution ()

Private Attributes
CLHEP::HepRandomEngine *	engine_

Detailed Description

Definition at line 18 of file RandomEngineAndDistribution.h.

Constructor & Destructor Documentation

RandomEngineAndDistribution() [1/2]

RandomEngineAndDistribution::RandomEngineAndDistribution

(

edm::StreamID const &

streamID

)

Definition at line 10 of file RandomEngineAndDistribution.cc.

                                                                                    : engine_(nullptr) {
  edm::Service<edm::RandomNumberGenerator> rng;
  if (!rng.isAvailable()) {
    throw cms::Exception("Configuration") << "RandomNumberGenerator service is not available.\n"
                                             "You must add the service in the configuration file\n"
                                             "or remove the module that requires it.";
  }
  engine_ = &rng->getEngine(streamID);
}

References engine_, Exception, edm::RandomNumberGenerator::getEngine(), and edm::Service< T >::isAvailable().

RandomEngineAndDistribution() [2/2]

RandomEngineAndDistribution::RandomEngineAndDistribution

(

edm::LuminosityBlockIndex const &

luminosityBlockIndex

)

Definition at line 20 of file RandomEngineAndDistribution.cc.

    : engine_(nullptr) {
  edm::Service<edm::RandomNumberGenerator> rng;
  if (!rng.isAvailable()) {
    throw cms::Exception("Configuration") << "RandomNumberGenerator service is not available.\n"
                                             "You must add the service in the configuration file\n"
                                             "or remove the module that requires it.";
  }
  engine_ = &rng->getEngine(luminosityBlockIndex);
}

References engine_, Exception, edm::RandomNumberGenerator::getEngine(), and edm::Service< T >::isAvailable().

~RandomEngineAndDistribution()

RandomEngineAndDistribution::~RandomEngineAndDistribution

(

)

Definition at line 31 of file RandomEngineAndDistribution.cc.

{}

Member Function Documentation

flatShoot()

double RandomEngineAndDistribution::flatShoot ( double  xmin = 0.0, double  xmax = 1.0  ) const

inline

Definition at line 27 of file RandomEngineAndDistribution.h.

{ return xmin + (xmax - xmin) * engine_->flat(); }

References engine_, TrackerOfflineValidation_Dqm_cff::xmax, and TrackerOfflineValidation_Dqm_cff::xmin.

Referenced by EcalHitMaker::addHit(), BremsstrahlungSimulator::brem(), fastsim::Bremsstrahlung::brem(), MuonBremsstrahlungSimulator::brem(), fastsim::MuonBremsstrahlung::brem(), MultipleScatteringSimulator::compute(), PairProductionSimulator::compute(), HFShower::compute(), HDShower::compute(), EMShower::compute(), NuclearInteractionFTFSimulator::compute(), NuclearInteractionSimulator::compute(), HDRShower::computeShower(), CalorimetryManager::EMShowerSimulation(), GammaFunctionGenerator::gammaFrac(), GammaFunctionGenerator::gammaInt(), PairProductionSimulator::gbteth(), BremsstrahlungSimulator::gbteth(), fastsim::PairProduction::gbteth(), MuonBremsstrahlungSimulator::gbteth(), fastsim::Bremsstrahlung::gbteth(), fastsim::MuonBremsstrahlung::gbteth(), SimpleHistogramGenerator::generate(), BaseNumericalRandomGenerator::generate(), BaseNumericalRandomGenerator::generateExp(), BaseNumericalRandomGenerator::generateLin(), HDRShower::getR(), HDShower::HDShower(), HFShower::HFShower(), ParticlePropagator::initProperDecayTime(), fastsim::PairProduction::interact(), fastsim::MultipleScattering::interact(), fastsim::NuclearInteraction::interact(), fastsim::NuclearInteractionFTF::interact(), HCALResponse::interHD(), HCALResponse::interMU(), HFShower::makeSteps(), HDShower::makeSteps(), fastsim::ParticleManager::nextParticle(), BremsstrahlungSimulator::poisson(), HDRShower::setHit(), DoubleCrystalBallGenerator::shoot(), GaussianTail::shoot(), PixelTemplateSmearerBase::smearHit(), PixelTemplateSmearerBase::smearMergeGroup(), and HDRShower::thetaFunction().

gaussShoot()

double RandomEngineAndDistribution::gaussShoot ( double  mean = 0.0, double  sigma = 1.0  ) const

inline

Definition at line 29 of file RandomEngineAndDistribution.h.

                                                                        {
    return CLHEP::RandGauss::shoot(engine_, mean, sigma);
  }

References engine_, and SiStripPI::mean.

Referenced by RadialInterval::addInterval(), MultipleScatteringSimulator::compute(), EMShower::compute(), EMShower::EMShower(), HCALResponse::gaussShootNoNegative(), fastsim::MultipleScattering::interact(), TrackingRecHitStripGSPlugin::process(), GaussianTail::shoot(), and HDRShower::thetaFunction().

poissonShoot()

unsigned int RandomEngineAndDistribution::poissonShoot ( double  mean ) const

inline

Definition at line 33 of file RandomEngineAndDistribution.h.

{ return CLHEP::RandPoissonQ::shoot(engine_, mean); }

References engine_, and SiStripPI::mean.

Referenced by EMShower::compute(), MuonBremsstrahlungSimulator::compute(), fastsim::Bremsstrahlung::interact(), fastsim::MuonBremsstrahlung::interact(), HCALResponse::interHD(), and HCALResponse::PoissonShootNoNegative().

theEngine()

CLHEP::HepRandomEngine& RandomEngineAndDistribution::theEngine ( ) const

inline

Definition at line 25 of file RandomEngineAndDistribution.h.

{ return *engine_; }

References engine_.

Referenced by FastHFShowerLibrary::SetRandom(), and TrajectoryManager::updateWithDaughters().

Member Data Documentation

engine_

CLHEP::HepRandomEngine* RandomEngineAndDistribution::engine_

private

Definition at line 36 of file RandomEngineAndDistribution.h.

Referenced by flatShoot(), gaussShoot(), poissonShoot(), RandomEngineAndDistribution(), and theEngine().