G4KM_OpticalEqRhs.hh

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//
// -------------------------------------------------------------------
//      GEANT 4 class header file 
//
//      CERN, Geneva, Switzerland
//
//      File name:     G4KM_OpticalEqRhs.hh
//
//      Author:        Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it)
// 
//      Creation date: 5 June 2000
// -------------------------------------------------------------------

#ifndef G4KM_OpticalEqRhs_hh
#define G4KM_OpticalEqRhs_hh

#include "globals.hh"
//#include "G4EquationOfMotion.hh"
#include "G4Mag_EqRhs.hh"
#include "G4KM_DummyField.hh" // needed by G4Mag_EqRhs constructor.
#include "G4V3DNucleus.hh"

//class G4KM_OpticalEqRhs : public G4EquationOfMotion
class G4KM_OpticalEqRhs : public G4Mag_EqRhs
{

public:
  G4KM_OpticalEqRhs(G4KM_DummyField *field, G4V3DNucleus * nucleus);
  ~G4KM_OpticalEqRhs();

  virtual void EvaluateRhsGivenB(const G4double y[], const G4double B[3],
                 G4double dydx[]) const;
  virtual void SetChargeMomentumMass(G4double particleCharge,
                     G4double MomentumXc,
                     G4double MassXc2);
  void SetFactor(G4double mass, G4double opticalParameter);

private:
  G4V3DNucleus * theNucleus;
  G4double theFactor;
  G4double theMass;
};




inline G4KM_OpticalEqRhs::~G4KM_OpticalEqRhs()
{ }


// Here by design, but it is unnecessary for nuclear fields
inline void G4KM_OpticalEqRhs::SetChargeMomentumMass(G4double ,G4double ,G4double )
{ }

#endif