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// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4CrossSectionElastic
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 19.11.2010
// Modifications:
//
// Class Description:
//
// Wrapper for elastic cross section build from a component
//
// -------------------------------------------------------------------
//

#ifndef G4CrossSectionElastic_h
#define G4CrossSectionElastic_h 1

#include "globals.hh"
#include "G4VCrossSectionDataSet.hh"
#include <iostream>

class G4ParticleDefinition;
class G4VComponentCrossSection;
class G4DynamicParticle;
class G4Element;
class G4Material;
class G4NistManager;

class G4CrossSectionElastic : public G4VCrossSectionDataSet
{
public:

  G4CrossSectionElastic(G4VComponentCrossSection*,
			G4int zmin = 1, G4int zmax = 256, 
			G4double Emin = 0.0, G4double Emax = DBL_MAX);

  virtual ~G4CrossSectionElastic();
   
  virtual
  G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
			     const G4Material* mat = 0);

  virtual
  G4double GetElementCrossSection(const G4DynamicParticle*, 
				  G4int Z, 
				  const G4Material* mat = 0);

  virtual
  void BuildPhysicsTable(const G4ParticleDefinition&);

  virtual
  void DumpPhysicsTable(const G4ParticleDefinition&);

  virtual void CrossSectionDescription(std::ostream&) const;

private:

  G4CrossSectionElastic & operator=(const G4CrossSectionElastic &right);
  G4CrossSectionElastic(const G4CrossSectionElastic&);

  G4NistManager* nist;
  G4VComponentCrossSection* component;
  G4int Zmin;
  G4int Zmax;

};

#endif
