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// -------------------------------------------------------------------
// $Id: G4PenelopeBremsstrahlungContinuous.hh,v 1.4 2008/12/09 15:04:05 pandola Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
//
// Author: L.Pandola
//
// History:
// -----------
// 20 Feb 2003  L. Pandola       1st implementation
// 17 Mar 2003  L. Pandola       Added the correction for positrons
// 09 Dec 2008  L. Pandola       Cosmetics: say what variables are
// 
// Class description:
// Calculation of continuous energy loss for Penelope Bremsstrahlung
// It is used both for electrons and positrons
// --------------------------------------------------------------


#ifndef G4PENELOPEBREMSSTRAHLUNGCONTINUOUS_HH
#define G4PENELOPEBREMSSTRAHLUNGCONTINUOUS_HH 1
#include "globals.hh"

class G4PenelopeBremsstrahlungContinuous
{ 
private:
  enum{ NumberofEPoints=57,
	  NumberofKPoints=32, 
	  NumberofExtendedEGrid=200};  

public:
 
  G4PenelopeBremsstrahlungContinuous(G4int Z,G4double energyCut, G4double energyMin, 
				     G4double energyMax,
				     const G4String particleName); 
  ~G4PenelopeBremsstrahlungContinuous();
  G4double CalculateStopping(G4double energy);
 
private:
  void PrepareInterpolationTable();
  void LoadFromFile();
  G4double PositronCorrection(G4double energy); //correction function for positrons
 
  G4int Zmat;
  G4double tCut;
  G4double MinE,MaxE;
  const G4String partName;
  G4double DLFC; //needed for calculation of extended energy grid
  G4double Energies[NumberofEPoints];
  G4double ReducedCS[NumberofEPoints][NumberofKPoints];
  G4double TotalCS[NumberofEPoints];
  G4double ExtendedLogEnergy[NumberofExtendedEGrid];
  G4double p0[NumberofExtendedEGrid][NumberofKPoints];
  //G4double Pbcut[NumberofExtendedEGrid]; //useful?
};


  
#endif
