G4MagneticField.hh

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// $Id$
//
//
// class G4MagneticField
//
// Class description:
//
// Magnetic Field abstract class, implements inquiry function interface.
 
// History:
// - Created. JA, January 13th, 1996.
// --------------------------------------------------------------------
 
#ifndef G4MAGNETIC_FIELD_DEF
#define G4MAGNETIC_FIELD_DEF
 
#include "G4Types.hh"
#include "G4ElectroMagneticField.hh"
 
class G4MagneticField : public G4ElectroMagneticField
{
  public:  // with description
 
     G4MagneticField();
     virtual ~G4MagneticField();
       // Constructor and destructor. No actions.
 
     G4MagneticField(const G4MagneticField &r);
     G4MagneticField& operator = (const G4MagneticField &p);
       // Copy constructor & assignment operator.
 
     G4bool   DoesFieldChangeEnergy() const { return false; }
       //  Since a pure magnetic field does not change track energy
 
     virtual void  GetFieldValue( const G4double Point[4],
                                        G4double *Bfield ) const = 0;
};
 
#endif /* G4MAGNETIC_FIELD_DEF */