| 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: Vladimir Ivanchenko (Vladimir.Ivan
29 //
30 // History:
31 // -----------
32 // 27 May 2002 VI Created
33 //
34 // -------------------------------------------
35
36 #include "G4RDLinLogInterpolation.hh"
37
38 // Constructor
39
40 G4RDLinLogInterpolation::G4RDLinLogInterpolati
41 { }
42
43
44 // Destructor
45
46 G4RDLinLogInterpolation::~G4RDLinLogInterpolat
47 { }
48
49
50 G4double G4RDLinLogInterpolation::Calculate(G4
51 const G4DataVector& points,
52 const G4DataVector& data) const
53 {
54 G4int nBins = data.size() - 1;
55 G4double value = 0.;
56 if (x < points[0])
57 {
58 value = 0.;
59 }
60 else if (bin < nBins)
61 {
62 G4double e1 = points[bin];
63 G4double e2 = points[bin+1];
64 G4double d1 = std::log(data[bin]);
65 G4double d2 = std::log(data[bin+1]);
66 value = std::exp(d1 + (d2 - d1)*(x - e1)
67 }
68 else
69 {
70 value = data[nBins];
71 }
72 return value;
73 }
74