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#ifndef G4XNNTotalLowE_h
#define G4XNNTotalLowE_h

#include <map>
#include <CLHEP/Units/SystemOfUnits.h>

#include "globals.hh"
#include "G4VCrossSectionSource.hh"
#include "G4CrossSectionVector.hh"
#include "G4LowEXsection.hh"

class G4KineticTrack;

class G4XNNTotalLowE : public G4VCrossSectionSource
{

public:

  G4XNNTotalLowE();

  virtual ~G4XNNTotalLowE();

  virtual G4double CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const;
  virtual const G4CrossSectionVector* GetComponents() const { return 0; }
  virtual G4bool IsValid(G4double e) const;
  
  virtual G4String Name() const;
  virtual G4double HighLimit() const { return 3.*CLHEP::GeV; }


protected:


private:  

  G4XNNTotalLowE(const G4XNNTotalLowE &right);
  const G4XNNTotalLowE& operator=(const G4XNNTotalLowE &right);
  
  static const G4double ppTot[29];
  static const G4double ss[29];
  static const G4double npTot[29];
  static const G4int tableSize;

  std::map <G4ParticleDefinition *, G4LowEXsection *,
  std::less<G4ParticleDefinition *> > theCrossSections;
  typedef std::map <G4ParticleDefinition *, G4LowEXsection*, std::less<G4ParticleDefinition *> > LowEMap;

};

#endif