Geant4  10.02
G4PenelopeSamplingData.hh
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26 // $Id: G4PenelopeSamplingData.hh 66241 2012-12-13 18:34:42Z gunter $
27 //
28 // Author: Luciano Pandola
29 //
30 // History:
31 // -----------
32 // 09 Dec 2009 L. Pandola 1st implementation.
33 //
34 // -------------------------------------------------------------------
35 //
36 // Class description:
37 // This is a container of data that are used for sampling algorithm
38 // of Penelope08 Rayleigh scattering
39 // -------------------------------------------------------------------
40 
41 #ifndef G4PENELOPESAMPLINGDATA_HH
42 #define G4PENELOPESAMPLINGDATA_HH 1
43 
44 #include "globals.hh"
45 #include "G4DataVector.hh"
46 //
47 //This is a container of data that are used for sampling algoritm
48 //
50 {
51 
52 public:
53  G4PenelopeSamplingData(G4int npoints=150);
55 
56  void AddPoint(G4double x0,G4double pac0,G4double a0,G4double b0,size_t ITTL0,
57  size_t ITTU0);
58  size_t GetNumberOfStoredPoints();
59  void Clear();
60  void DumpTable();
61 
62  G4double GetX(size_t index);
63  G4double GetPAC(size_t index);
64  G4double GetA(size_t index);
65  G4double GetB(size_t index);
66 
68 
69 private:
72 
73  //G4double xlow;
74  //G4double xhigh;
75 
76  G4DataVector* x; //grid points, in increasing order
77  G4DataVector* pac; //value of the cumulative pdf at x_i
78  G4DataVector* a; // rational inverse cumulative inverse distribution parameters
80 
81  std::vector<size_t> *ITTL; //largest j for which pac(j) < (i-1)/(np-1)
82  std::vector<size_t> *ITTU; //smallest k for which pac(k) > i/(np-1)
83 
84  G4int np; //number of grid points
85 
86 
87 
88 };
89 
90 #endif
91 
const G4double a0
std::vector< size_t > * ITTL
G4double GetB(size_t index)
G4double GetPAC(size_t index)
G4PenelopeSamplingData & operator=(const G4PenelopeSamplingData &right)
int G4int
Definition: G4Types.hh:78
G4double SampleValue(G4double rndm)
G4double GetA(size_t index)
G4double GetX(size_t index)
double G4double
Definition: G4Types.hh:76
void AddPoint(G4double x0, G4double pac0, G4double a0, G4double b0, size_t ITTL0, size_t ITTU0)
G4PenelopeSamplingData(G4int npoints=150)
static const G4double b0
std::vector< size_t > * ITTU