#include <G4LinLogLogInterpolation.hh>
Inheritance diagram for G4LinLogLogInterpolation:
Public Member Functions | |
G4LinLogLogInterpolation () | |
~G4LinLogLogInterpolation () | |
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 |
virtual G4VDataSetAlgorithm * | Clone () const |
Definition at line 49 of file G4LinLogLogInterpolation.hh.
G4LinLogLogInterpolation::G4LinLogLogInterpolation | ( | ) |
G4LinLogLogInterpolation::~G4LinLogLogInterpolation | ( | ) |
G4double G4LinLogLogInterpolation::Calculate | ( | G4double | point, | |
G4int | bin, | |||
const G4DataVector & | energies, | |||
const G4DataVector & | data, | |||
const G4DataVector & | log_energies, | |||
const G4DataVector & | log_data | |||
) | const [virtual] |
Implements G4VDataSetAlgorithm.
Definition at line 83 of file G4LinLogLogInterpolation.cc.
00088 { 00089 //G4cout << "G4LinLogLogInterpolation is performed(4 arguments) " << G4endl; 00090 G4int nBins = data.size() - 1; 00091 G4double value = 0.; 00092 G4double log_x = std::log10(x); 00093 if (x < points[0]) 00094 { 00095 value = 0.; 00096 } 00097 else if (bin < nBins) 00098 { 00099 G4double e1 = points[bin]; 00100 G4double e2 = points[bin+1]; 00101 G4double d1 = data[bin]; 00102 G4double d2 = data[bin+1]; 00103 G4double log_e1 = log_points[bin]; 00104 G4double log_e2 = log_points[bin+1]; 00105 G4double log_d1 = log_data[bin]; 00106 G4double log_d2 = log_data[bin+1]; 00107 //G4cout << "x = " << x << " , log_x = " << log_x << " , bin = " << bin << G4endl; 00108 //G4cout << "e1 = " << e1 << " , d1 = " << d1 << G4endl; 00109 //G4cout << "e2 = " << e2 << " , d2 = " << d2 << G4endl; 00110 //G4cout << "log_e1 = " << log_e1 << " , log_d1 = " << log_d1 << G4endl; 00111 //G4cout << "log_e2 = " << log_e2 << " , log_d2 = " << log_d2 <<G4endl; 00112 if (d1 > 0.0 && d2 > 0.0) 00113 { 00114 // Values e1, e2, d1 and d2 are the log values of the corresponding 00115 // original energy and data values. Simple linear interpolation performed 00116 // on loagarithmic data should be equivalent to log-log interpolation 00117 value = log_d1 + (log_d2 - log_d1)*(log_x - log_e1)/(log_e2 - log_e1); 00118 00119 //G4cout << "Case of normal log-log interpolation" << G4endl; 00120 //G4cout << "Temp log interpolated value: log_value = " << value << G4endl; 00121 00122 // Delogarithmize to obtain interpolated value 00123 value = std::pow(10.,value); 00124 00125 //G4cout << "Final Interpolated value: " << value << G4endl << G4endl; 00126 } 00127 else 00128 { 00129 // Case of semi log-log interpolation 00130 //G4cout << "G4LinLogLogInterpolation - Case of SemiLogInterpolation" << G4endl; 00131 if (e1 == 0.0) e1 = 1e-300; 00132 if (e2 == 0.0) e2 = 1e-300; 00133 value = d1 + (d2 - d1)*(log_x - log_e1)/(log_e2 - log_e1); 00134 //G4cout << "LinLogInterpolation: Final Interpolated value: " << value << G4endl << G4endl; 00135 } 00136 } 00137 else 00138 { 00139 value = data[nBins]; 00140 } 00141 return value; 00142 }
G4double G4LinLogLogInterpolation::Calculate | ( | G4double | point, | |
G4int | bin, | |||
const G4DataVector & | energies, | |||
const G4DataVector & | data | |||
) | const [virtual] |
Implements G4VDataSetAlgorithm.
Definition at line 51 of file G4LinLogLogInterpolation.cc.
00054 { 00055 //G4cout << "G4LinLogLogInterpolation is performed (2 arguments) " << G4endl; 00056 G4int nBins = data.size() - 1; 00057 G4double value = 0.; 00058 if (x < points[0]) 00059 { 00060 value = 0.; 00061 } 00062 else if (bin < nBins) 00063 { 00064 G4double e1 = points[bin]; 00065 G4double e2 = points[bin+1]; 00066 G4double d1 = data[bin]; 00067 G4double d2 = data[bin+1]; 00068 if(d1 > 0.0 && d2 > 0.0) { 00069 value = (std::log10(d1)*std::log10(e2/x) + std::log10(d2)*std::log10(x/e1)) / std::log10(e2/e1); 00070 value = std::pow(10.,value); 00071 } else { 00072 value = (d1*std::log10(e2/x) + d2*std::log10(x/e1)) / std::log10(e2/e1); 00073 } 00074 } 00075 else 00076 { 00077 value = data[nBins]; 00078 } 00079 00080 return value; 00081 }
G4VDataSetAlgorithm * G4LinLogLogInterpolation::Clone | ( | ) | const [virtual] |
Implements G4VDataSetAlgorithm.
Definition at line 47 of file G4LinLogLogInterpolation.cc.
00048 { return new G4LinLogLogInterpolation; }