Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // 26 // 27 // 27 // 28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@ 28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch) 29 // 29 // 30 // History: 30 // History: 31 // ----------- 31 // ----------- 32 // 31 Jul 2001 MGP Created 32 // 31 Jul 2001 MGP Created 33 // 31 Jul 2008 MGP Revised and rename 33 // 31 Jul 2008 MGP Revised and renamed to G4LogLogInterpolator 34 // 34 // 35 // ------------------------------------------- 35 // ------------------------------------------------------------------- 36 36 37 #include "G4LogLogInterpolator.hh" 37 #include "G4LogLogInterpolator.hh" 38 38 39 // Constructor 39 // Constructor 40 40 41 G4LogLogInterpolator::G4LogLogInterpolator() 41 G4LogLogInterpolator::G4LogLogInterpolator() 42 { } 42 { } 43 43 44 // Destructor 44 // Destructor 45 45 46 G4LogLogInterpolator::~G4LogLogInterpolator() 46 G4LogLogInterpolator::~G4LogLogInterpolator() 47 { } 47 { } 48 48 49 G4IInterpolator* G4LogLogInterpolator::Clone() 49 G4IInterpolator* G4LogLogInterpolator::Clone() const 50 { return new G4LogLogInterpolator; } 50 { return new G4LogLogInterpolator; } 51 51 52 52 53 G4double G4LogLogInterpolator::Calculate(G4dou 53 G4double G4LogLogInterpolator::Calculate(G4double x, G4int bin, 54 const G4DataVector& points, 54 const G4DataVector& points, 55 const G4DataVector& data) const 55 const G4DataVector& data) const 56 { 56 { 57 G4int nBins = G4int(data.size() - 1); 57 G4int nBins = G4int(data.size() - 1); 58 // ---- MGP ---- To be verified; value = 0. 58 // ---- MGP ---- To be verified; value = 0. is redundant here 59 G4double value = 0.; 59 G4double value = 0.; 60 if (x < points[0] || x == 0.) 60 if (x < points[0] || x == 0.) 61 { 61 { 62 value = 0; 62 value = 0; 63 } 63 } 64 else if (bin < nBins) 64 else if (bin < nBins) 65 { 65 { 66 G4double e1 = points[bin]; 66 G4double e1 = points[bin]; 67 G4double e2 = points[bin+1]; 67 G4double e2 = points[bin+1]; 68 G4double d1 = data[bin]; 68 G4double d1 = data[bin]; 69 G4double d2 = data[bin+1]; 69 G4double d2 = data[bin+1]; 70 70 71 if (d1 != 0. && d2 != 0.) 71 if (d1 != 0. && d2 != 0.) 72 { 72 { 73 value = (std::log10(d1)*std::log10(e2/x) + 73 value = (std::log10(d1)*std::log10(e2/x) + std::log10(d2)*std::log10(x/e1)) / std::log10(e2/e1); 74 value = std::pow(10.,value); 74 value = std::pow(10.,value); 75 } 75 } 76 else 76 else 77 { 77 { 78 value = 0.; 78 value = 0.; 79 } 79 } 80 } 80 } 81 else 81 else 82 { 82 { 83 value = data[nBins]; 83 value = data[nBins]; 84 } 84 } 85 85 86 return value; 86 return value; 87 } 87 } 88 88