#include "GaudiKernel/Algorithm.h"
#include "GaudiKernel/NTuple.h"

#include "StoreGate/StoreGateSvc.h"

#include <string>

/////////////////////////////////////////////////////////////////////////////

class MyZmumu:public Algorithm {
 public:
  MyZmumu (const std::string& name, ISvcLocator* pSvcLocator);
  StatusCode initialize();
  StatusCode execute();
  StatusCode finalize();
  
 private:

  StatusCode mymctruth();
  StatusCode mymuonevt();
  
  /// a handle on Store Gate 
  StoreGateSvc* m_storeGate;
  /// histogram pointer
  IHistogram1D* m_hptreso;


  // Ntuple data members
  NTuple::Item<long> m_nmu;
  NTuple::Array<float> m_charge,m_pt,m_eta;
  NTuple::Array<float> m_chargef,m_ptf,m_etaf;
  
  // Pointer to an ntuple
  NTuple::Tuple* p_nt1;
  

  //structure mu
  struct mu {
    double charge;
    double pt;
    double eta;
    int found;
    double chargef;
    double ptf;
    double etaf;
  };
  struct mu muone[2];
  
  
};