/data/refman/pasoursint/CMSSW_5_2_9/src/MuonAnalysis/MomentumScaleCalibration/interface/GenMuonPair.h

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#ifndef GenMuonPair_h
#define GenMuonPair_h

#include <TObject.h>
#include "DataFormats/Candidate/interface/Particle.h"
// #include "MuonAnalysis/MomentumScaleCalibration/interface/BaseMuonPair.h"

typedef reco::Particle::LorentzVector lorentzVector;

class GenMuonPair : public TObject
{
public:
  GenMuonPair() :
    mu1(lorentzVector(0,0,0,0)),
    mu2(lorentzVector(0,0,0,0)),
    motherId(0)
  {}

  GenMuonPair(const lorentzVector & inputMu1, const lorentzVector & inputMu2,
              const int inputMotherId) :
    mu1(inputMu1),
    mu2(inputMu2)
    // ,
    // motherId(inputMotherId)
  {
    // Put this in the initialization list and root will not compile...
    // Probably some conflict with the other MuonPair class that also contains integers or
    // something even weirder...
    motherId = inputMotherId;
  }

  void copy(const GenMuonPair & copyPair)
  {
    mu1 = copyPair.mu1;
    mu2 = copyPair.mu2;
    motherId = copyPair.motherId;
  }

  lorentzVector mu1;
  lorentzVector mu2;
  Int_t motherId;

  ClassDef(GenMuonPair, 1)
};
ClassImp(GenMuonPair)

#endif