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//
// $Id: G4ErrorMagFieldLimitProcess.hh,v 1.2 2007/05/29 14:41:35 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// Class description:
//
// Limits the step length if change of magnetic field is too big
// (user defined limit).

// History:
// - Created:   P. Arce, September 2004
//---------------------------------------------------------------------

#ifndef G4ErrorMagFieldLimitProcess_h
#define G4ErrorMagFieldLimitProcess_h 1

#include "G4ios.hh" 
#include "globals.hh"
#include "G4VDiscreteProcess.hh"
#include "G4PhysicsTable.hh"
#include "G4PhysicsLogVector.hh"
#include "G4ElementTable.hh"
#include "G4Gamma.hh" 
#include "G4Electron.hh"
#include "G4Step.hh" 
#include "G4VErrorLimitProcess.hh"

//-----------------------------------------------------------------
 
class G4ErrorMagFieldLimitProcess : public G4VErrorLimitProcess
{

 public:  // with description
  
  G4ErrorMagFieldLimitProcess(const G4String& processName
                                  ="G4ErrorMagFieldLimit");
  ~G4ErrorMagFieldLimitProcess();
  
  virtual G4double
     PostStepGetPhysicalInteractionLength(const G4Track& track,
                                                G4double previousStepSize,
                                                G4ForceCondition* condition);
    // Returns the step length.
};
  
#endif
 
