CellSmearer.h

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// JetSmearer class
//
// Implements smearing for Cells
//
// Namespace Atlfast::
//
//--------------------------------------------------------------
//
// CellSmearer replicates the smearing code of ATLFAST++'s
// JetMaker. It provides the smear() method defined
// in the ISmearer interface. It privately inherits from
// the DefaultSmearer class to use its implementation of
// random number services etc.
//
// Authors: J.Couchman
//

#ifndef ATLFAST_CELLSMEARER_H
#define ATLFAST_CELLSMEARER_H

#ifndef ATLFAST_ISMEARER_H
#include "AtlfastAlgs/ISmearer.h"
#endif

#ifndef ATLFAST_DEFAULTSMEARER_H
#include "AtlfastAlgs/DefaultSmearer.h"
#endif

#include "CLHEP/Vector/LorentzVector.h"

namespace Atlfast {
  
  class CellSmearer : virtual public ISmearer, 
                      virtual private DefaultSmearer 
    {
    public:
      //--------------------------------------------------------------------------
      // constructors and destructors- we can leave everything to DefaultSmearer
      //--------------------------------------------------------------------------
      CellSmearer(const int aseed, 
                  const double barrelForwardEta) : 
        ISmearer(), 
        DefaultSmearer(aseed), 
        m_BarrelForwardEta(barrelForwardEta) 
        { }
      virtual ~CellSmearer() { }

      virtual HepLorentzVector smear(const HepMC::GenParticle& );
      virtual HepLorentzVector smear(const HepLorentzVector& avec);

      virtual int setSmearParameters( const std::vector<double>& smearValues );
      virtual int setSmearParamSchema( const int smearSchema);
      
    private:
      double m_BarrelForwardEta;
    };

} // end of namespace bracket

#endif

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