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G4LinInterpolation Class Reference
#include <G4LinInterpolation.hh>
Inheritance diagram for G4LinInterpolation:
Public Member Functions | |
| G4LinInterpolation () | |
| ~G4LinInterpolation () | |
| G4double | Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data) const |
| G4double | Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data, const G4DataVector &log_energies, const G4DataVector &log_data) const |
| G4VDataSetAlgorithm * | Clone () const |
| Public Member Functions inherited from G4VDataSetAlgorithm | |
| G4VDataSetAlgorithm () | |
| virtual | ~G4VDataSetAlgorithm () |
| virtual G4double | Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data) const =0 |
| virtual G4double | Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data, const G4DataVector &log_energies, const G4DataVector &log_data) const =0 |
| virtual G4VDataSetAlgorithm * | Clone () const =0 |
Detailed Description
Definition at line 52 of file G4LinInterpolation.hh.
Constructor & Destructor Documentation
◆ G4LinInterpolation()
| G4LinInterpolation::G4LinInterpolation | ( | ) |
◆ ~G4LinInterpolation()
| G4LinInterpolation::~G4LinInterpolation | ( | ) |
Definition at line 48 of file G4LinInterpolation.cc.
49{ }
Member Function Documentation
◆ Calculate() [1/2]
|
virtual |
Implements G4VDataSetAlgorithm.
Definition at line 55 of file G4LinInterpolation.cc.
58{
59 //G4cout << "G4LinInterpolation is performed (2 arguments)" << G4endl;
60 G4int nBins = data.size() - 1;
61 G4double value = 0.;
62 if (x < points[0])
63 {
64 value = 0.;
65 }
66 else if (bin < nBins)
67 {
68 G4double e1 = points[bin];
69 G4double e2 = points[bin+1];
70 G4double d1 = data[bin];
71 G4double d2 = data[bin+1];
72 value = d1 + (d2 - d1)*(x - e1)/(e2 - e1);
73 }
74 else
75 {
76 value = data[nBins];
77 }
78 return value;
79}
Referenced by G4EMDataSet::RandomSelect(), and G4DataSet::RandomSelect().
◆ Calculate() [2/2]
|
virtual |
Implements G4VDataSetAlgorithm.
Definition at line 85 of file G4LinInterpolation.cc.
90{
91//Linear Interpolation is performed on loagarithmic data set
92//Equivalent to log-log interpolation on non-loagarithmic data set
93 //G4cout << "G4LinInterpolation is performed - (4 arguments)" << G4endl;
94 G4int nBins = data.size() - 1;
95 G4double value = 0.;
96 G4double log_x = std::log10(x);
97 if (x < points[0])
98 {
99 value = 0.;
100 }
101 else if (bin < nBins)
102 {
103 G4double log_e1 = log_points[bin];
104 G4double log_e2 = log_points[bin+1];
105 G4double log_d1 = log_data[bin];
106 G4double log_d2 = log_data[bin+1];
107
108// Values e1, e2, d1 and d2 are the log values of the corresponding
109// original energy and data values. Simple linear interpolation performed
110// on loagarithmic data should be equivalent to log-log interpolation
111 value = log_d1 + (log_d2 - log_d1)*(log_x - log_e1)/(log_e2 - log_e1);
112
113// Delogarithmize to obtain interpolated value
114 value = std::pow(10.,value);
115 }
116 else
117 {
118 value = data[nBins];
119 }
120 return value;
121}
◆ Clone()
|
virtual |
The documentation for this class was generated from the following files:
