CMS_SHERPA_RNG Class Reference

Inheritance diagram for CMS_SHERPA_RNG:

Public Member Functions
	CMS_SHERPA_RNG ()
void	setRandomEngine (CLHEP::HepRandomEngine *v)

Private Member Functions
double	Get () override

Private Attributes
CLHEP::HepRandomEngine *	randomEngine

Detailed Description

Definition at line 75 of file SherpaHadronizer.cc.

Constructor & Destructor Documentation

CMS_SHERPA_RNG()

CMS_SHERPA_RNG::CMS_SHERPA_RNG ( )

inline

Definition at line 77 of file SherpaHadronizer.cc.

                   : randomEngine(nullptr) {
    edm::LogVerbatim("SherpaHadronizer") << "Use stored reference for the external RNG";
    setRandomEngine(GetExternalEngine());
  }

References setRandomEngine().

Member Function Documentation

Get()

double CMS_SHERPA_RNG::Get ( )

overrideprivate

Definition at line 348 of file SherpaHadronizer.cc.

                           {
  if (randomEngine == nullptr) {
    throw edm::Exception(edm::errors::LogicError) << "The Sherpa code attempted to a generate random number while\n"
                                                  << "the engine pointer was null. This might mean that the code\n"
                                                  << "was modified to generate a random number outside the event and\n"
                                                  << "beginLuminosityBlock methods, which is not allowed.\n";
  }
  return randomEngine->flat();
}

References Exception, edm::errors::LogicError, and randomEngine.

setRandomEngine()

void CMS_SHERPA_RNG::setRandomEngine ( CLHEP::HepRandomEngine *  v )

inline

Definition at line 81 of file SherpaHadronizer.cc.

{ randomEngine = v; }

References randomEngine, and findQualityFiles::v.

Referenced by CMS_SHERPA_RNG(), and SherpaHadronizer::doSetRandomEngine().

Member Data Documentation

randomEngine

CLHEP::HepRandomEngine* CMS_SHERPA_RNG::randomEngine

private

Definition at line 85 of file SherpaHadronizer.cc.

Referenced by Get(), and setRandomEngine().