//
// ********************************************************************
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//
#ifndef G4GeneralNNCollision_h
#define G4GeneralNNCollision_h

#include "G4CollisionComposite.hh"
#include "G4Proton.hh"
#include "G4Neutron.hh"

class G4GeneralNNCollision : public G4CollisionComposite
{
  public:

  G4bool 
  IsInCharge(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
  {
    G4bool result = false;
    G4ParticleDefinition * aD = trk1.GetDefinition();
    G4ParticleDefinition * bD = trk2.GetDefinition();
    if(  (aD==G4Proton::Proton() || aD == G4Neutron::Neutron())
       &&(bD==G4Proton::Proton() || bD == G4Neutron::Neutron()) ) result = true;
    return result;
  }

};

#endif