IFourVectorSmearer.h

#ifndef IFourVectorSmearer_h
#define IFourVectorSmearer_h 1

#ifdef USE_CLHEP  // only if CLHEP is available !

#include "CLHEP/Vector/LorentzVector.h"

namespace CLHEP{}    // declare namespace CLHEP for backward compatibility
using namespace CLHEP ;


namespace marlin{


  class IFourVectorSmearer {
    
  public:
    
    virtual ~IFourVectorSmearer() {} 
    
    virtual HepLorentzVector smearedFourVector( const HepLorentzVector& v, int pdgCode ) = 0 ;
    
  } ;
  
  
} // end namespace 

#endif // ifdef CLHEP  
#endif

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