include/Geant4/G4DNASamplingTable.hh

0001 //
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0025 //
0026 // Created 25.03.2025 V.Ivanchenko
0027 // on base of codes of S.Incerti & M.Karamitros
0028 //
0029 // Double differential cross section data structure
0030 //
0031
0032 #ifndef  G4DNASamplingTable_HH
0033 #define  G4DNASamplingTable_HH 1
0034
0035 #include "globals.hh"
0036 #include <vector>
0037
0038 class G4DNASamplingTable
0039 {
0040 public:
0041   explicit G4DNASamplingTable(std::size_t npoint);
0042   ~G4DNASamplingTable();
0043
0044   void LoadData(const G4String& filename, G4double factorE, G4double scaleFactor,
0045         G4bool verbose);
0046
0047   G4double GetValue(G4double ekinPrimary, G4double ekinSecondary, G4int shell) const;
0048
0049   G4double SampleCumulative(G4double ekinPrimary, G4int shell) const;
0050
0051   G4DNASamplingTable(const G4DNASamplingTable & copy) = delete;
0052   G4DNASamplingTable& operator=(const G4DNASamplingTable& right) = delete;
0053
0054 private:
0055
0056   G4int GetIndex(const std::vector<G4double>&, G4double x) const;
0057
0058   G4double VecInterpolation(const std::vector<G4double>* ener,
0059                 const std::vector<G4double>* val, G4double energy) const;
0060
0061   G4double Interpolate(G4double e1, G4double e2, G4double e,
0062                G4double xs1, G4double xs2) const;
0063
0064   G4int fNpoints{0};
0065   std::vector<G4double> fPrimaryEnergy;
0066   std::vector<std::vector<G4double>* > fSecEnergy;
0067   std::vector<std::vector<G4double>* > fPDF[5];
0068
0069 };
0070 #endif