/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/IOMC/ParticleGuns/interface/ExpoRandomPtGunSource.h

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#ifndef ExpoRandomPtGunSource_H
#define ExpoRandomPtGunSource_H

#include "IOMC/ParticleGuns/interface/BaseFlatGunSource.h"
#include "CLHEP/Random/RandExponential.h"
namespace edm
{
  
  class ExpoRandomPtGunSource : public BaseFlatGunSource
  {
  
  public:
    ExpoRandomPtGunSource(const ParameterSet &, const InputSourceDescription&  );
    virtual ~ExpoRandomPtGunSource();

  private:
   
    virtual bool produce(Event & e);
    
  protected :
  
    // data members
    
    double            fMinPt   ;
    double            fMaxPt   ;
    double            fMeanPt ;
    CLHEP::RandExponential * fRandomExpoGenerator;

  };
} 

#endif