| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer << 3 // * DISCLAIMER *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers *
6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which *
7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: *
8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license *
9 // * include a list of copyright holders. <<
10 // * 9 // * *
11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file << 14 // * use. *
16 // * for the full disclaimer and the limitatio <<
17 // * 15 // * *
18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the *
19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. *
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 #ifndef CCalDataSet_h 23 #ifndef CCalDataSet_h
27 #define CCalDataSet_h 24 #define CCalDataSet_h
28 25
29 #include "G4ParticleHPInterpolator.hh" << 26 #include "G4NeutronHPInterpolator.hh"
30 #include <vector> 27 #include <vector>
31 28
32 // by JPW, working, but to be cleaned up. @@@@ 29 // by JPW, working, but to be cleaned up. @@@@
33 30
34 class CCalDataSet 31 class CCalDataSet
35 { 32 {
36 public: 33 public:
37 34
38 void insert(G4double anEnergy, G4double aXse << 35 void insert(double anEnergy, double aXsection)
39 { 36 {
40 pair<G4double, G4double> aPoint(anEnergy, << 37 pair<double, double> aPoint(anEnergy, aXsection);
41 theData.push_back(aPoint); 38 theData.push_back(aPoint);
42 } 39 }
43 40
44 double getCrossSection(G4double anEnergy) << 41 double getCrossSection(double anEnergy)
45 { 42 {
46 G4double result; << 43 double result;
47 if(anEnergy < theData[0].first) 44 if(anEnergy < theData[0].first)
48 { 45 {
49 result = 0; 46 result = 0;
50 } 47 }
51 else 48 else
52 { 49 {
53 G4double x1,x2; << 50 double x1,x2;
54 G4double y1,y2; << 51 double y1,y2;
55 if(anEnergy > theData[theData.size()-1]. 52 if(anEnergy > theData[theData.size()-1].second)
56 { 53 {
57 // extrapolation 54 // extrapolation
58 G4int n=theData.size(); << 55 int n=theData.size();
59 x1 = theData[n-1].first; 56 x1 = theData[n-1].first;
60 y1 = theData[n-1].second; 57 y1 = theData[n-1].second;
61 x2 = theData[n-2].first; 58 x2 = theData[n-2].first;
62 y2 = theData[n-2].second; 59 y2 = theData[n-2].second;
63 } 60 }
64 else 61 else
65 { 62 {
66 // linear search and interpolation 63 // linear search and interpolation
67 unsigned int i; 64 unsigned int i;
68 for(i=0; i<theData.size(); ++i) << 65 for(i=0; i<theData.size(); i++)
69 { 66 {
70 if(theData[i].first>anEnergy) break; 67 if(theData[i].first>anEnergy) break;
71 } 68 }
72 x1 = theData[i-1].first; 69 x1 = theData[i-1].first;
73 y1 = theData[i-1].second; 70 y1 = theData[i-1].second;
74 x2 = theData[i].first; 71 x2 = theData[i].first;
75 y2 = theData[i].second; 72 y2 = theData[i].second;
76 } 73 }
77 // interpolate logarithmic in energy and 74 // interpolate logarithmic in energy and linear in cross-section
78 result = theInterpolator.Interpolate(LOG 75 result = theInterpolator.Interpolate(LOGLIN, anEnergy, x1,x2,y1,y2);
79 } 76 }
80 return result*barn; 77 return result*barn;
81 } 78 }
82 79
83 private: 80 private:
84 81
85 G4ParticleHPInterpolator theInterpolator; << 82 G4NeutronHPInterpolator theInterpolator;
86 83
87 private: 84 private:
88 85
89 vector<pair<G4double, G4double> > theData; << 86 vector<pair<double, double> > theData;
90 }; 87 };
91 #endif 88 #endif
92 89