Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 // 28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@ 29 // 30 // History: 31 // ----------- 32 // 31 Jul 2001 MGP Created 33 // 31 Jul 2008 MGP Revised and rename 34 // 35 // ------------------------------------------- 36 37 #include "G4LogLogInterpolator.hh" 38 39 // Constructor 40 41 G4LogLogInterpolator::G4LogLogInterpolator() 42 { } 43 44 // Destructor 45 46 G4LogLogInterpolator::~G4LogLogInterpolator() 47 { } 48 49 G4IInterpolator* G4LogLogInterpolator::Clone() 50 { return new G4LogLogInterpolator; } 51 52 53 G4double G4LogLogInterpolator::Calculate(G4dou 54 const G4DataVector& points, 55 const G4DataVector& data) const 56 { 57 G4int nBins = G4int(data.size() - 1); 58 // ---- MGP ---- To be verified; value = 0. 59 G4double value = 0.; 60 if (x < points[0] || x == 0.) 61 { 62 value = 0; 63 } 64 else if (bin < nBins) 65 { 66 G4double e1 = points[bin]; 67 G4double e2 = points[bin+1]; 68 G4double d1 = data[bin]; 69 G4double d2 = data[bin+1]; 70 71 if (d1 != 0. && d2 != 0.) 72 { 73 value = (std::log10(d1)*std::log10(e2/x) + 74 value = std::pow(10.,value); 75 } 76 else 77 { 78 value = 0.; 79 } 80 } 81 else 82 { 83 value = data[nBins]; 84 } 85 86 return value; 87 } 88