FieldStepper.h

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#ifndef SimG4Core_FieldStepper_H
#define SimG4Core_FieldStepper_H

#include "G4MagIntegratorStepper.hh"

class G4Mag_UsualEqRhs;

namespace sim {
   class FieldStepper : public G4MagIntegratorStepper
   {
      public:
     FieldStepper(G4Mag_UsualEqRhs * eq);
     ~FieldStepper();
     virtual void Stepper(const double y[],const double dydx[],double h,
                  double yout[],double yerr[]);
     virtual double DistChord() const;
     virtual int IntegratorOrder() const;
     G4MagIntegratorStepper * select(const std::string & s);
      private:
     G4MagIntegratorStepper * theStepper;
     G4Mag_UsualEqRhs * theEquation;  
   };
}

#endif