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Warning, file /geant4/examples/advanced/eRosita/physics/src/G4RDLinLogInterpolation.cc was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).
0001 // 0002 // ******************************************************************** 0003 // * License and Disclaimer * 0004 // * * 0005 // * The Geant4 software is copyright of the Copyright Holders of * 0006 // * the Geant4 Collaboration. It is provided under the terms and * 0007 // * conditions of the Geant4 Software License, included in the file * 0008 // * LICENSE and available at http://cern.ch/geant4/license . These * 0009 // * include a list of copyright holders. * 0010 // * * 0011 // * Neither the authors of this software system, nor their employing * 0012 // * institutes,nor the agencies providing financial support for this * 0013 // * work make any representation or warranty, express or implied, * 0014 // * regarding this software system or assume any liability for its * 0015 // * use. Please see the license in the file LICENSE and URL above * 0016 // * for the full disclaimer and the limitation of liability. * 0017 // * * 0018 // * This code implementation is the result of the scientific and * 0019 // * technical work of the GEANT4 collaboration. * 0020 // * By using, copying, modifying or distributing the software (or * 0021 // * any work based on the software) you agree to acknowledge its * 0022 // * use in resulting scientific publications, and indicate your * 0023 // * acceptance of all terms of the Geant4 Software license. * 0024 // ******************************************************************** 0025 // 0026 // 0027 // 0028 // Author: Vladimir Ivanchenko (Vladimir.Ivantchenko@cern.ch) 0029 // 0030 // History: 0031 // ----------- 0032 // 27 May 2002 VI Created 0033 // 0034 // ------------------------------------------------------------------- 0035 0036 #include "G4RDLinLogInterpolation.hh" 0037 0038 // Constructor 0039 0040 G4RDLinLogInterpolation::G4RDLinLogInterpolation() 0041 { } 0042 0043 0044 // Destructor 0045 0046 G4RDLinLogInterpolation::~G4RDLinLogInterpolation() 0047 { } 0048 0049 0050 G4double G4RDLinLogInterpolation::Calculate(G4double x, G4int bin, 0051 const G4DataVector& points, 0052 const G4DataVector& data) const 0053 { 0054 G4int nBins = data.size() - 1; 0055 G4double value = 0.; 0056 if (x < points[0]) 0057 { 0058 value = 0.; 0059 } 0060 else if (bin < nBins) 0061 { 0062 G4double e1 = points[bin]; 0063 G4double e2 = points[bin+1]; 0064 G4double d1 = std::log(data[bin]); 0065 G4double d2 = std::log(data[bin+1]); 0066 value = std::exp(d1 + (d2 - d1)*(x - e1)/ (e2 - e1)); 0067 } 0068 else 0069 { 0070 value = data[nBins]; 0071 } 0072 return value; 0073 }
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