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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 83 of file SherpaHadronizer.cc.

Constructor & Destructor Documentation

CMS_SHERPA_RNG::CMS_SHERPA_RNG ( )
inline

Definition at line 86 of file SherpaHadronizer.cc.

References gen::BaseHadronizer::setRandomEngine().

86  : randomEngine(nullptr) {
87  edm::LogVerbatim("SherpaHadronizer") << "Use stored reference for the external RNG";
88  setRandomEngine(GetExternalEngine());
89  }
CLHEP::HepRandomEngine * randomEngine
void setRandomEngine(CLHEP::HepRandomEngine *v)

Member Function Documentation

double CMS_SHERPA_RNG::Get ( )
overrideprivate

Definition at line 362 of file SherpaHadronizer.cc.

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

362  {
363  if(randomEngine == nullptr) {
365  << "The Sherpa code attempted to a generate random number while\n"
366  << "the engine pointer was null. This might mean that the code\n"
367  << "was modified to generate a random number outside the event and\n"
368  << "beginLuminosityBlock methods, which is not allowed.\n";
369  }
370  return randomEngine->flat();
371 
372 }
CLHEP::HepRandomEngine * randomEngine
void CMS_SHERPA_RNG::setRandomEngine ( CLHEP::HepRandomEngine *  v)
inline

Definition at line 90 of file SherpaHadronizer.cc.

References randomEngine, and findQualityFiles::v.

Referenced by SherpaHadronizer::doSetRandomEngine().

90 { randomEngine = v; }
CLHEP::HepRandomEngine * randomEngine

Member Data Documentation

CLHEP::HepRandomEngine* CMS_SHERPA_RNG::randomEngine
private

Definition at line 94 of file SherpaHadronizer.cc.