//
// ********************************************************************
// * License and Disclaimer                                           *
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//
#ifndef G4LEPTSDiffXS_h
#define G4LEPTSDiffXS_h 1

#include "G4Types.hh"

class G4LEPTSDiffXS
{
 public:

  G4LEPTSDiffXS(const G4String&);   // Constructor

  void readDXS();    // Read file
  void BuildCDXS();
  void BuildCDXS(G4double, G4double);
  void NormalizeCDXS();
  void InterpolateCDXS();
  void PrintDXS(G4int);

  G4double SampleAngle(G4double);
  G4double SampleAngleMT(G4double, G4double);
  G4double SampleAngleEthylene(G4double, G4double);
  G4bool IsFileFound() const { return bFileFound; }

 private:

  G4String fileName;
  G4int NumAng;
  G4int INumAng;
  G4int NumEn;
  char DXSTypeName[8];
  G4int DXSType;
  G4double Eb[100];
  //  G4double DXS[100][190], CDXS[100][190], IDXS[100][19000], ICDXS[100][19000];
  G4double DXS[100][190], CDXS[100][190], ICDXS[100][19000];
  //  G4double KT[100][190],  CKT[100][190],  IKT[100][19000];
  G4double KT[100][190],  IKT[100][19000];

  G4bool bFileFound;
};

#endif