ISCalculationNEST.h

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#ifndef LARG4_ISCALCULATIONNEST_H
#define LARG4_ISCALCULATIONNEST_H

#include "larsim/LArG4/ISCalculation.h"
#include "larsim/LArG4/NestAlg.h"

// forward declaration
namespace CLHEP { class HepRandomEngine; }

namespace larg4 {

  class ISCalculationNEST : public ISCalculation {

 public:

   ISCalculationNEST(CLHEP::HepRandomEngine& engine);
   virtual ~ISCalculationNEST();

   void   Initialize();
   void   Reset();
   void   CalculateIonizationAndScintillation(const G4Step* step);
   double StepSizeLimit()              const { return fStepSize;        }

 private:

   NestAlg* fNest;     
   double   fStepSize; 
   CLHEP::HepRandomEngine& fEngine; 
 };
}
#endif // LARG4_ISCALCULATIONNEST_H