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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4hIonisation
//
// Author:        Laszlo Urban
//
// Creation date: 30.05.1997
//
// Modifications:
//
// corrected by L.Urban on 24/09/97
// corrected by L.Urban on 13/01/98
// bugs fixed by L.Urban on 02/02/99
// 10/02/00 modifications , new e.m. structure, L.Urban
// 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
// 14-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
// 19-09-01 come back to previous process name "hIoni"
// 29-10-01 all static functions no more inlined
// 07-01-02 new design of em processes (V.Ivanchenko)
// 26-12-02 secondary production moved to derived classes (VI)
// 24-01-03 Make models region aware (V.Ivanchenko)
// 05-02-03 Fix compilation warnings (V.Ivanchenko)
// 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
// 15-02-03 Add control on delta pointer (V.Ivanchenko)
// 23-05-03 Add fluctuation model as a member function (V.Ivanchenko)
// 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
// 16-06-03 ShortLived are not applicable any more (V.Ivanchenko)
// 08-08-03 STD substitute standard  (V.Ivanchenko)
// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
// 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko)
// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
// 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
// 12-09-08 Removed CorrectionsAlongStep (VI)
//
// Class Description:
//
// This class manages the ionisation process for hadrons.
// it inherites from G4VContinuousDiscreteProcess via G4VEnergyLoss.
//

// -------------------------------------------------------------------
//

#ifndef G4hIonisation_h
#define G4hIonisation_h 1

#include "G4VEnergyLossProcess.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "globals.hh"

class G4Material;

class G4hIonisation : public G4VEnergyLossProcess
{

public:

  explicit G4hIonisation(const G4String& name = "hIoni");

  virtual ~G4hIonisation();

  virtual G4bool IsApplicable(const G4ParticleDefinition& p) override;

  virtual G4double MinPrimaryEnergy(const G4ParticleDefinition* p,
				    const G4Material*, G4double cut) final;

  // Print out of the class parameters
  virtual void PrintInfo() final;

  // print documentation in html format
  virtual void ProcessDescription(std::ostream&) const override;

protected:

  virtual void 
  InitialiseEnergyLossProcess(const G4ParticleDefinition*,
			      const G4ParticleDefinition*) override;

private:

  // hide assignment operator
  G4hIonisation & operator=(const G4hIonisation &right) = delete;
  G4hIonisation(const G4hIonisation&) = delete;

  G4bool     isInitialised;

  G4double   mass;
  G4double   ratio;
  G4double   eth;
};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

#endif
