| 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 // G4VelocityTable class implementation <<
27 // 26 //
28 // Author: Hisaya Kurashige, 17 August 2011 << 27 //
29 // ------------------------------------------- << 28 //
>> 29 //---------------------------------------------------------------
>> 30 //
>> 31 // G4VelocityTable.cc
>> 32 //
>> 33 // class description:
>> 34 // This class keeps a table of velocity as a function of
>> 35 // the ratio kinetic erngy and mass
>> 36 //
>> 37 //---------------------------------------------------------------
>> 38 // created 17.Aug. 2011 H.Kurashige
>> 39 //
30 40
31 #include "G4VelocityTable.hh" 41 #include "G4VelocityTable.hh"
32 #include "G4PhysicalConstants.hh" 42 #include "G4PhysicalConstants.hh"
33 #include "G4StateManager.hh" 43 #include "G4StateManager.hh"
34 #include "G4ApplicationState.hh" 44 #include "G4ApplicationState.hh"
35 #include "G4Log.hh" 45 #include "G4Log.hh"
36 #include "G4Exp.hh" 46 #include "G4Exp.hh"
37 47
38 #include "G4ios.hh" << 48 #include "G4ios.hh"
39 49
40 G4ThreadLocal G4VelocityTable* G4VelocityTable 50 G4ThreadLocal G4VelocityTable* G4VelocityTable::theInstance = nullptr;
41 51
42 // ------------------------------------------- << 52 ////////////////
43 G4VelocityTable::G4VelocityTable() 53 G4VelocityTable::G4VelocityTable()
>> 54 ////////////////
>> 55 : edgeMin(0.), edgeMax(0.), numberOfNodes(0),
>> 56 dBin(0.), baseBin(0.),
>> 57 lastEnergy(-DBL_MAX), lastValue(0.), lastBin(0),
>> 58 maxT( 1000.0 ), minT( 0.0001 ), NbinT( 500 )
44 { 59 {
45 PrepareVelocityTable(); 60 PrepareVelocityTable();
46 } << 61 }
47 62
48 // ------------------------------------------- << 63 /////////////////
49 G4VelocityTable::~G4VelocityTable() 64 G4VelocityTable::~G4VelocityTable()
>> 65 /////////////////
50 { 66 {
51 dataVector.clear(); 67 dataVector.clear();
52 binVector.clear(); 68 binVector.clear();
53 } 69 }
54 70
55 // ------------------------------------------- << 71
>> 72 ///////////////////
56 void G4VelocityTable::PrepareVelocityTable() 73 void G4VelocityTable::PrepareVelocityTable()
>> 74 ///////////////////
57 { 75 {
58 // const G4double g4log10 = std::log(10.); << 76 //const G4double g4log10 = std::log(10.);
59 << 77
60 dataVector.clear(); 78 dataVector.clear();
61 binVector.clear(); 79 binVector.clear();
62 dBin = G4Log(maxT / minT) / NbinT; << 80 dBin = G4Log(maxT/minT)/NbinT;
63 baseBin = G4Log(minT) / dBin; << 81 baseBin = G4Log(minT)/dBin;
64 82
65 numberOfNodes = NbinT + 1; 83 numberOfNodes = NbinT + 1;
66 dataVector.reserve(numberOfNodes); 84 dataVector.reserve(numberOfNodes);
67 binVector.reserve(numberOfNodes); 85 binVector.reserve(numberOfNodes);
68 86
69 binVector.push_back(minT); 87 binVector.push_back(minT);
70 dataVector.push_back(0.0); 88 dataVector.push_back(0.0);
71 89
72 for(std::size_t i = 1; i < numberOfNodes - 1 << 90 for (size_t i=1; i<numberOfNodes-1; i++){
73 { << 91 binVector.push_back(G4Exp((baseBin+i)*dBin));
74 binVector.push_back(G4Exp((baseBin + i) * <<
75 dataVector.push_back(0.0); 92 dataVector.push_back(0.0);
76 } 93 }
77 binVector.push_back(maxT); 94 binVector.push_back(maxT);
78 dataVector.push_back(0.0); 95 dataVector.push_back(0.0);
79 << 96
80 edgeMin = binVector[0]; 97 edgeMin = binVector[0];
81 edgeMax = binVector[numberOfNodes - 1]; << 98 edgeMax = binVector[numberOfNodes-1];
82 99
83 for(G4int i = 0; i <= NbinT; ++i) << 100 for (G4int i=0; i<=NbinT; i++){
84 { << 101 G4double T = binVector[i];
85 G4double T = binVector[i]; << 102 dataVector[i]= c_light*std::sqrt(T*(T+2.))/(T+1.0);
86 dataVector[i] = c_light * std::sqrt(T * (T <<
87 } 103 }
88 104
89 return; 105 return;
90 } << 106 }
91 107
92 // ------------------------------------------- << 108 size_t G4VelocityTable::FindBinLocation(G4double theEnergy) const
93 std::size_t G4VelocityTable::FindBinLocation(G <<
94 { 109 {
95 // For G4PhysicsLogVector, FindBinLocation i 110 // For G4PhysicsLogVector, FindBinLocation is implemented using
96 // a simple arithmetic calculation. 111 // a simple arithmetic calculation.
97 // 112 //
98 // Because this is a virtual function, it is 113 // Because this is a virtual function, it is accessed through a
99 // pointer to the G4PhysicsVector object for << 114 // pointer to the G4PhyiscsVector object for most usages. In this
100 // case, 'inline' will not be invoked. Howev << 115 // case, 'inline' will not be invoked. However, there is a possibility
101 // that the user access to the G4PhysicsLogV << 116 // that the user access to the G4PhysicsLogVector object directly and
102 // not through pointers or references. In th 117 // not through pointers or references. In this case, the 'inline' will
103 // be invoked. (See R.B.Murray, "C++ Strateg 118 // be invoked. (See R.B.Murray, "C++ Strategies and Tactics", Chap.6.6)
104 119
105 // const G4double g4log10 = G4Log(10.); << 120 //const G4double g4log10 = G4Log(10.);
106 return std::size_t(G4Log(theEnergy) / dBin - << 121 return size_t( G4Log(theEnergy)/dBin - baseBin );
107 } 122 }
108 123
109 // ------------------------------------------- << 124 G4double G4VelocityTable::Value(G4double theEnergy)
110 G4double G4VelocityTable::Value(G4double theEn <<
111 { 125 {
112 // Use cache for speed up - check if the val << 126 // Use cache for speed up - check if the value 'theEnergy' is same as the
113 // last call. If it is same, then use the la 127 // last call. If it is same, then use the last bin location. Also the
114 // value 'theEnergy' lies between the last e << 128 // value 'theEnergy' lies between the last energy and low edge of of the
115 // bin of last call, then the last bin locat << 129 // bin of last call, then the last bin location is used.
116 130
117 if(theEnergy == lastEnergy) << 131 if( theEnergy == lastEnergy ) {
118 { << 132
119 } << 133 } else if( theEnergy < lastEnergy
120 else if(theEnergy < lastEnergy && theEnergy << 134 && theEnergy >= binVector[lastBin]) {
121 { << 135 lastEnergy = theEnergy;
122 lastEnergy = theEnergy; << 136 lastValue = Interpolation();
123 lastValue = Interpolation(); << 137
124 } << 138 } else if( theEnergy <= edgeMin ) {
125 else if(theEnergy <= edgeMin) << 139 lastBin = 0;
126 { << 140 lastEnergy = edgeMin;
127 lastBin = 0; << 141 lastValue = dataVector[0];
128 lastEnergy = edgeMin; << 142
129 lastValue = dataVector[0]; << 143 } else if( theEnergy >= edgeMax ){
130 } << 144 lastBin = numberOfNodes-1;
131 else if(theEnergy >= edgeMax) << 145 lastEnergy = edgeMax;
132 { << 146 lastValue = dataVector[lastBin];
133 lastBin = numberOfNodes - 1; << 147
134 lastEnergy = edgeMax; << 148 } else {
135 lastValue = dataVector[lastBin]; << 149 lastBin = (size_t)( G4Log(theEnergy)/dBin - baseBin );
136 } << 150 if(lastBin == numberOfNodes) { --lastBin; } // VI: fix possible precision lost
137 else << 151 lastEnergy = theEnergy;
138 { << 152 lastValue = Interpolation();
139 lastBin = (std::size_t)(G4Log(theEnergy) / << 153
140 if(lastBin == numberOfNodes) <<
141 { <<
142 --lastBin; <<
143 } // VI: fix possible precision lost <<
144 lastEnergy = theEnergy; <<
145 lastValue = Interpolation(); <<
146 } 154 }
147 return lastValue; << 155 return lastValue;
148 } 156 }
149 157
150 // ------------------------------------------- << 158 ///////////////////////////////////////////////////////
>> 159 // Static methods
>> 160
>> 161 ///////////////////
151 G4VelocityTable* G4VelocityTable::GetVelocityT 162 G4VelocityTable* G4VelocityTable::GetVelocityTable()
>> 163 ///////////////////
152 { 164 {
153 if(theInstance == nullptr) << 165 if (!theInstance) {
154 { <<
155 static G4ThreadLocalSingleton<G4VelocityTa 166 static G4ThreadLocalSingleton<G4VelocityTable> inst;
156 theInstance = inst.Instance(); 167 theInstance = inst.Instance();
157 } 168 }
158 return theInstance; 169 return theInstance;
159 } 170 }
160 171
161 // ------------------------------------------- << 172 ///////////////////
162 void G4VelocityTable:: << 173 void G4VelocityTable::SetVelocityTableProperties(G4double t_max, G4double t_min, G4int nbin)
163 SetVelocityTableProperties(G4double t_max, G4d << 174 ///////////////////
164 { << 175 {
165 if(theInstance == nullptr) << 176 if (theInstance == nullptr) { GetVelocityTable(); }
166 { <<
167 GetVelocityTable(); <<
168 } <<
169 177
170 G4StateManager* stateManager = G4StateMan << 178 G4StateManager* stateManager = G4StateManager::GetStateManager();
171 G4ApplicationState currentState = stateManag 179 G4ApplicationState currentState = stateManager->GetCurrentState();
172 << 180
173 // check if state is outside event loop 181 // check if state is outside event loop
174 if(!(currentState == G4State_Idle || current << 182 if(!(currentState==G4State_Idle||currentState==G4State_PreInit)){
175 { << 183 G4Exception("G4VelocityTable::SetVelocityTableProperties",
176 G4Exception("G4VelocityTable::SetVelocityT << 184 "Track101", JustWarning,
177 JustWarning, <<
178 "Can modify only in PreInit or 185 "Can modify only in PreInit or Idle state : Method ignored.");
179 return; 186 return;
180 } 187 }
181 188
182 if(nbin > 100) << 189 if (nbin > 100 ) theInstance->NbinT = nbin;
183 theInstance->NbinT = nbin; << 190 if ((t_min < t_max)&&(t_min>0.)) {
184 if((t_min < t_max) && (t_min > 0.)) << 191 theInstance->minT = t_min;
185 { <<
186 theInstance->minT = t_min; <<
187 theInstance->maxT = t_max; 192 theInstance->maxT = t_max;
188 } << 193 }
189 theInstance->PrepareVelocityTable(); 194 theInstance->PrepareVelocityTable();
190 } 195 }
191 196
192 // ------------------------------------------- << 197 ///////////////////
193 G4double G4VelocityTable::GetMaxTOfVelocityTab 198 G4double G4VelocityTable::GetMaxTOfVelocityTable()
>> 199 ///////////////////
194 { 200 {
195 return GetVelocityTable()->maxT; << 201 return GetVelocityTable()->maxT;
196 } 202 }
197 203
198 // ------------------------------------------- << 204 ///////////////////
199 G4double G4VelocityTable::GetMinTOfVelocityTab << 205 G4double G4VelocityTable::GetMinTOfVelocityTable()
>> 206 ///////////////////
200 { 207 {
201 return GetVelocityTable()->minT; << 208 return GetVelocityTable()->minT;
202 } 209 }
203 210
204 // ------------------------------------------- << 211 ///////////////////
205 G4int G4VelocityTable::GetNbinOfVelocityTable( << 212 G4int G4VelocityTable::GetNbinOfVelocityTable()
>> 213 ///////////////////
206 { 214 {
207 return GetVelocityTable()->NbinT; << 215 return GetVelocityTable()->NbinT;
208 } 216 }
209 217