1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // GEANT4 tag $Name: geant4-09-02 $ |
---|
27 | // |
---|
28 | // -------------------------------------------------------------------- |
---|
29 | // by J.P Wellisch, Sun Sep 15 2002. |
---|
30 | |
---|
31 | #include "G4PiData.hh" |
---|
32 | |
---|
33 | /////////////////////////////////////////////////////////////////////// |
---|
34 | |
---|
35 | G4PiData::G4PiData(const G4double * aT, const G4double * aIn, |
---|
36 | const G4double * anE, G4int nP) |
---|
37 | { |
---|
38 | G4int i=0; |
---|
39 | |
---|
40 | for( i = 0; i < nP; i++ ) |
---|
41 | { |
---|
42 | std::pair<G4double, G4double> x; |
---|
43 | x.first=aT[i]*millibarn; |
---|
44 | x.second=aIn[i]*millibarn; |
---|
45 | std::pair<G4double, std::pair<G4double, G4double > > aP; |
---|
46 | aP.first=anE[i]*GeV; |
---|
47 | aP.second=x; |
---|
48 | push_back(aP); |
---|
49 | } |
---|
50 | } |
---|
51 | |
---|
52 | //////////////////////////////////////////////////////////////////////// |
---|
53 | |
---|
54 | G4bool G4PiData::AppliesTo(G4double kineticEnergy) |
---|
55 | { |
---|
56 | G4bool result = true; |
---|
57 | if(kineticEnergy>back().first) result = false; |
---|
58 | return result; |
---|
59 | } |
---|
60 | |
---|
61 | ////////////////////////////////////////////////////////////////////////// |
---|
62 | |
---|
63 | G4double G4PiData::ReactionXSection(G4double kineticEnergy) |
---|
64 | { |
---|
65 | G4double result = 0; |
---|
66 | G4PiData::iterator it=begin(); |
---|
67 | while(it!=end()&&kineticEnergy>(*it).first) {it++;} |
---|
68 | if(it==end()) |
---|
69 | { |
---|
70 | G4Exception("G4PiData", "007", FatalException, |
---|
71 | "ReactionXSection used outside validity range"); |
---|
72 | } |
---|
73 | if(it==begin()) it++; |
---|
74 | G4double x1,x2,e1,e2; |
---|
75 | e1=(*(it-1)).first; |
---|
76 | x1=(*(it-1)).second.second; |
---|
77 | e2=(*(it)).first; |
---|
78 | x2=(*(it)).second.second; |
---|
79 | result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1)); |
---|
80 | return result; |
---|
81 | } |
---|
82 | |
---|
83 | //////////////////////////////////////////////////////////////////////////// |
---|
84 | |
---|
85 | G4double G4PiData::ElasticXSection(G4double kineticEnergy) |
---|
86 | { |
---|
87 | G4double result = 0; |
---|
88 | G4PiData::iterator it=begin(); |
---|
89 | while(it!=end()&&kineticEnergy>(*it).first) {it++;} |
---|
90 | if(it==end()) |
---|
91 | { |
---|
92 | G4Exception("G4PiData", "007", FatalException, |
---|
93 | "ElasticXSection used outside validity range"); |
---|
94 | } |
---|
95 | if(it==begin()) it++; |
---|
96 | G4double x1,x2,e1,e2; |
---|
97 | e1=(*(it-1)).first; |
---|
98 | x1=(*(it-1)).second.first - (*(it-1)).second.second; |
---|
99 | e2=(*(it)).first; |
---|
100 | x2=(*(it)).second.first - (*(it)).second.second; |
---|
101 | result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1)); |
---|
102 | return result; |
---|
103 | } |
---|
104 | |
---|
105 | //////////////////////////////////////////////////////////////////////////// |
---|
106 | |
---|
107 | G4double G4PiData::TotalXSection(G4double kineticEnergy) |
---|
108 | { |
---|
109 | G4double result = 0; |
---|
110 | G4PiData::iterator it=begin(); |
---|
111 | while(it!=end()&&kineticEnergy>(*it).first) {it++;} |
---|
112 | if(it==end()) |
---|
113 | { |
---|
114 | G4Exception("G4PiData", "007", FatalException, |
---|
115 | "ElasticXSection used outside validity range"); |
---|
116 | } |
---|
117 | if(it==begin()) it++; |
---|
118 | G4double x1,x2,e1,e2; |
---|
119 | e1=(*(it-1)).first; |
---|
120 | x1=(*(it-1)).second.first; |
---|
121 | e2=(*(it)).first; |
---|
122 | x2=(*(it)).second.first; |
---|
123 | result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1)); |
---|
124 | return result; |
---|
125 | } |
---|