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25 // 25 //
>> 26 // $Id$
26 // 27 //
27 // Author: Luciano Pandola 28 // Author: Luciano Pandola
28 // 29 //
29 // History: 30 // History:
30 // -------- 31 // --------
31 // 23 Nov 2010 L Pandola First complete i 32 // 23 Nov 2010 L Pandola First complete implementation
32 // 02 May 2011 L.Pandola Remove dependenc 33 // 02 May 2011 L.Pandola Remove dependency on CLHEP::HepMatrix
33 // 24 May 2011 L.Pandola Renamed (make v2 << 34 // 24 May 2011 L. Pandola Renamed (make v2008 as default Penelope)
34 // 03 Oct 2013 L.Pandola Migration to MT <<
35 // 30 Oct 2013 L.Pandola Use G4Cache to a <<
36 // data vector on <<
37 // 35 //
38 36
39 //....oooOO0OOooo........oooOO0OOooo........oo 37 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 38
>> 39 #include "G4PhysicalConstants.hh"
>> 40 #include "G4SystemOfUnits.hh"
40 #include "G4PenelopeBremsstrahlungFS.hh" 41 #include "G4PenelopeBremsstrahlungFS.hh"
41 #include "G4PhysicsFreeVector.hh" 42 #include "G4PhysicsFreeVector.hh"
>> 43 #include "G4PhysicsLogVector.hh"
42 #include "G4PhysicsTable.hh" 44 #include "G4PhysicsTable.hh"
43 #include "G4Material.hh" 45 #include "G4Material.hh"
44 #include "Randomize.hh" 46 #include "Randomize.hh"
45 #include "G4AutoDelete.hh" <<
46 #include "G4Exp.hh" <<
47 #include "G4PhysicalConstants.hh" <<
48 #include "G4SystemOfUnits.hh" <<
49 47
50 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
51 49
52 G4PenelopeBremsstrahlungFS::G4PenelopeBremsstr << 50 G4PenelopeBremsstrahlungFS::G4PenelopeBremsstrahlungFS() :
53 fReducedXSTable(nullptr),fEffectiveZSq(nullp << 51 theReducedXSTable(0),theEffectiveZSq(0),theSamplingTable(0),
54 fPBcut(nullptr),fVerbosity(verbosity) << 52 thePBcut(0)
55 { 53 {
56 fCache.Put(0); << 54 G4double tempvector[nBinsX] =
57 G4double tempvector[fNBinsX] = <<
58 {1.0e-12,0.025e0,0.05e0,0.075e0,0.1e0,0.15 55 {1.0e-12,0.025e0,0.05e0,0.075e0,0.1e0,0.15e0,0.2e0,0.25e0,
59 0.3e0,0.35e0,0.4e0,0.45e0,0.5e0,0.55e0,0.6 56 0.3e0,0.35e0,0.4e0,0.45e0,0.5e0,0.55e0,0.6e0,0.65e0,0.7e0,
60 0.75e0,0.8e0,0.85e0,0.9e0,0.925e0,0.95e0,0 57 0.75e0,0.8e0,0.85e0,0.9e0,0.925e0,0.95e0,0.97e0,0.99e0,
61 0.995e0,0.999e0,0.9995e0,0.9999e0,0.99995e 58 0.995e0,0.999e0,0.9995e0,0.9999e0,0.99995e0,0.99999e0,1.0e0};
62 59
63 for (std::size_t ix=0;ix<fNBinsX;++ix) << 60 for (size_t ix=0;ix<nBinsX;ix++)
64 theXGrid[ix] = tempvector[ix]; 61 theXGrid[ix] = tempvector[ix];
65 62
66 for (std::size_t i=0;i<fNBinsE;++i) << 63 for (size_t i=0;i<nBinsE;i++)
67 theEGrid[i] = 0.; 64 theEGrid[i] = 0.;
68 65
69 fElementData = new std::map<G4int,G4DataVect << 66 theElementData = new std::map<G4int,G4DataVector*>;
>> 67 theTempVec = new G4PhysicsFreeVector(nBinsX);
70 } 68 }
71 69
72 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 71
74 G4PenelopeBremsstrahlungFS::~G4PenelopeBremsst 72 G4PenelopeBremsstrahlungFS::~G4PenelopeBremsstrahlungFS()
75 { 73 {
76 ClearTables(); 74 ClearTables();
77 75
78 //The G4Physics*Vector pointers contained in << 76 if (theTempVec)
79 //the G4AutoDelete so there is no need to ta << 77 delete theTempVec;
80 78
81 //Clear manually fElementData << 79 //Clear manually theElementData
82 if (fElementData) << 80 std::map<G4int,G4DataVector*>::iterator i;
83 { << 81 if (theElementData)
84 for (auto& item : (*fElementData)) << 82 {
85 delete item.second; << 83 for (i=theElementData->begin(); i != theElementData->end(); i++)
86 delete fElementData; << 84 delete i->second;
87 fElementData = nullptr; << 85 delete theElementData;
>> 86 theElementData = 0;
88 } 87 }
>> 88
89 } 89 }
90 90
91 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...
92 92
93 93
94 void G4PenelopeBremsstrahlungFS::ClearTables(G << 94 void G4PenelopeBremsstrahlungFS::ClearTables()
95 { << 95 {
96 //Just to check << 96 std::map< std::pair<const G4Material*,G4double> ,G4PhysicsTable*>::iterator j;
97 if (!isMaster) <<
98 G4Exception("G4PenelopeBremsstrahlungFS::C <<
99 "em0100",FatalException,"Worker thread in <<
100 97
101 if (fReducedXSTable) << 98 if (theReducedXSTable)
102 { 99 {
103 for (auto& item : (*fReducedXSTable)) << 100 for (j=theReducedXSTable->begin(); j != theReducedXSTable->end(); j++)
104 { 101 {
105 G4PhysicsTable* tab = item.second; << 102 G4PhysicsTable* tab = j->second;
106 tab->clearAndDestroy(); 103 tab->clearAndDestroy();
107 delete tab; << 104 delete tab;
108 } 105 }
109 fReducedXSTable->clear(); << 106 delete theReducedXSTable;
110 delete fReducedXSTable; << 107 theReducedXSTable = 0;
111 fReducedXSTable = nullptr; <<
112 } 108 }
113 109
114 if (fSamplingTable) << 110 if (theSamplingTable)
115 { 111 {
116 for (auto& item : (*fSamplingTable)) << 112 for (j=theSamplingTable->begin(); j != theSamplingTable->end(); j++)
117 { 113 {
118 G4PhysicsTable* tab = item.second; << 114 G4PhysicsTable* tab = j->second;
119 tab->clearAndDestroy(); 115 tab->clearAndDestroy();
120 delete tab; 116 delete tab;
121 } 117 }
122 fSamplingTable->clear(); << 118 delete theSamplingTable;
123 delete fSamplingTable; << 119 theSamplingTable = 0;
124 fSamplingTable = nullptr; <<
125 } <<
126 if (fPBcut) <<
127 { <<
128 /* <<
129 std::map< std::pair<const G4Material*,G4doub <<
130 for (kk=fPBcut->begin(); kk != fPBcut->end() <<
131 delete kk->second; <<
132 */ <<
133 delete fPBcut; <<
134 fPBcut = nullptr; <<
135 } 120 }
136 121
137 if (fEffectiveZSq) << 122 std::map< std::pair<const G4Material*,G4double> ,G4PhysicsFreeVector*>::iterator kk;
>> 123 if (thePBcut)
138 { 124 {
139 delete fEffectiveZSq; << 125 for (kk=thePBcut->begin(); kk != thePBcut->end(); kk++)
140 fEffectiveZSq = nullptr; << 126 delete kk->second;
>> 127 delete thePBcut;
>> 128 thePBcut = 0;
141 } 129 }
142 130
>> 131
>> 132 if (theEffectiveZSq)
>> 133 {
>> 134 delete theEffectiveZSq;
>> 135 theEffectiveZSq = 0;
>> 136 }
>> 137
143 return; 138 return;
144 } 139 }
145 140
146 //....oooOO0OOooo........oooOO0OOooo........oo 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
147 142
148 G4double G4PenelopeBremsstrahlungFS::GetEffect << 143 G4double G4PenelopeBremsstrahlungFS::GetEffectiveZSquared(const G4Material* material)
149 { 144 {
150 if (!fEffectiveZSq) << 145 if (!theEffectiveZSq)
151 { 146 {
152 G4ExceptionDescription ed; 147 G4ExceptionDescription ed;
153 ed << "The container for the <Z^2> value 148 ed << "The container for the <Z^2> values is not initialized" << G4endl;
154 G4Exception("G4PenelopeBremsstrahlungFS: 149 G4Exception("G4PenelopeBremsstrahlungFS::GetEffectiveZSquared()",
155 "em2007",FatalException,ed); 150 "em2007",FatalException,ed);
156 return 0; 151 return 0;
157 } 152 }
158 //found in the table: return it << 153 //found in the table: return it
159 if (fEffectiveZSq->count(material)) << 154 if (theEffectiveZSq->count(material))
160 return fEffectiveZSq->find(material)->seco << 155 return theEffectiveZSq->find(material)->second;
161 else 156 else
162 { 157 {
163 G4ExceptionDescription ed; 158 G4ExceptionDescription ed;
164 ed << "The value of <Z^2> is not proper << 159 ed << "The value of <Z^2> is not properly set for material " <<
165 material->GetName() << G4endl; 160 material->GetName() << G4endl;
166 //requires running of BuildScaledXSTable 161 //requires running of BuildScaledXSTable()
167 G4Exception("G4PenelopeBremsstrahlungFS: 162 G4Exception("G4PenelopeBremsstrahlungFS::GetEffectiveZSquared()",
168 "em2008",FatalException,ed); 163 "em2008",FatalException,ed);
169 } 164 }
170 return 0; 165 return 0;
171 } 166 }
172 167
173 //....oooOO0OOooo........oooOO0OOooo........oo 168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
174 169
175 void G4PenelopeBremsstrahlungFS::BuildScaledXS 170 void G4PenelopeBremsstrahlungFS::BuildScaledXSTable(const G4Material* material,
176 G4double cut,G4bool isMaster) << 171 G4double cut)
177 { 172 {
178 //Corresponds to subroutines EBRaW and EBRaR 173 //Corresponds to subroutines EBRaW and EBRaR of PENELOPE
179 /* 174 /*
180 This method generates the table of the sca << 175 This method generates the table of the scaled energy-loss cross section from
181 bremsstrahlung emission for the given mate << 176 bremsstrahlung emission for the given material. Original data are read from
182 file. The table is normalized according to 177 file. The table is normalized according to the Berger-Seltzer cross section.
183 */ 178 */
184 179
185 //Just to check << 180 //*********************************************************************
186 if (!isMaster) <<
187 G4Exception("G4PenelopeBremsstrahlungFS::B <<
188 "em0100",FatalException,"Worker thread in <<
189 <<
190 if (fVerbosity > 2) <<
191 { <<
192 G4cout << "Entering in G4PenelopeBremsst <<
193 material->GetName() << G4endl; <<
194 G4cout << "Threshold = " << cut/keV << " <<
195 G4endl; <<
196 } <<
197 <<
198 //This method should be accessed by the mast <<
199 if (!fSamplingTable) <<
200 fSamplingTable = <<
201 new std::map< std::pair<const G4Material <<
202 if (!fPBcut) <<
203 fPBcut = <<
204 new std::map< std::pair<const G4Material <<
205 <<
206 //check if the container exists (if not, cre <<
207 if (!fReducedXSTable) <<
208 fReducedXSTable = new std::map< std::pair< <<
209 G4PhysicsTable*>; <<
210 if (!fEffectiveZSq) <<
211 fEffectiveZSq = new std::map<const G4Mater <<
212 <<
213 //****************************************** <<
214 //Determine the equivalent atomic number <Z^ 181 //Determine the equivalent atomic number <Z^2>
215 //****************************************** 182 //*********************************************************************
216 std::vector<G4double> *StechiometricFactors 183 std::vector<G4double> *StechiometricFactors = new std::vector<G4double>;
217 std::size_t nElements = material->GetNumberO << 184 G4int nElements = material->GetNumberOfElements();
218 const G4ElementVector* elementVector = mater 185 const G4ElementVector* elementVector = material->GetElementVector();
219 const G4double* fractionVector = material->G 186 const G4double* fractionVector = material->GetFractionVector();
220 for (std::size_t i=0;i<nElements;i++) << 187 for (G4int i=0;i<nElements;i++)
221 { 188 {
222 G4double fraction = fractionVector[i]; 189 G4double fraction = fractionVector[i];
223 G4double atomicWeigth = (*elementVector) 190 G4double atomicWeigth = (*elementVector)[i]->GetA()/(g/mole);
224 StechiometricFactors->push_back(fraction 191 StechiometricFactors->push_back(fraction/atomicWeigth);
225 } << 192 }
226 //Find max 193 //Find max
227 G4double MaxStechiometricFactor = 0.; 194 G4double MaxStechiometricFactor = 0.;
228 for (std::size_t i=0;i<nElements;i++) << 195 for (G4int i=0;i<nElements;i++)
229 { 196 {
230 if ((*StechiometricFactors)[i] > MaxStec 197 if ((*StechiometricFactors)[i] > MaxStechiometricFactor)
231 MaxStechiometricFactor = (*Stechiometr 198 MaxStechiometricFactor = (*StechiometricFactors)[i];
232 } 199 }
233 //Normalize 200 //Normalize
234 for (std::size_t i=0;i<nElements;i++) << 201 for (G4int i=0;i<nElements;i++)
235 (*StechiometricFactors)[i] /= MaxStechiom 202 (*StechiometricFactors)[i] /= MaxStechiometricFactor;
236 << 203
237 G4double sumz2 = 0; 204 G4double sumz2 = 0;
238 G4double sums = 0; 205 G4double sums = 0;
239 for (std::size_t i=0;i<nElements;i++) << 206 for (G4int i=0;i<nElements;i++)
240 { 207 {
241 G4double Z = (*elementVector)[i]->GetZ() 208 G4double Z = (*elementVector)[i]->GetZ();
242 sumz2 += (*StechiometricFactors)[i]*Z*Z; 209 sumz2 += (*StechiometricFactors)[i]*Z*Z;
243 sums += (*StechiometricFactors)[i]; 210 sums += (*StechiometricFactors)[i];
244 } 211 }
245 G4double ZBR2 = sumz2/sums; 212 G4double ZBR2 = sumz2/sums;
246 << 213
247 fEffectiveZSq->insert(std::make_pair(materia << 214 theEffectiveZSq->insert(std::make_pair(material,ZBR2));
>> 215
248 216
249 //****************************************** 217 //*********************************************************************
250 // loop on elements and read data files 218 // loop on elements and read data files
251 //****************************************** 219 //*********************************************************************
252 G4DataVector* tempData = new G4DataVector(fN << 220 G4DataVector* tempData = new G4DataVector(nBinsE);
253 G4DataVector* tempMatrix = new G4DataVector( << 221 G4DataVector* tempMatrix = new G4DataVector(nBinsE*nBinsX,0.);
254 222
255 for (std::size_t iel=0;iel<nElements;iel++) << 223 for (G4int iel=0;iel<nElements;iel++)
256 { 224 {
257 G4double Z = (*elementVector)[iel]->GetZ 225 G4double Z = (*elementVector)[iel]->GetZ();
258 G4int iZ = (G4int) Z; 226 G4int iZ = (G4int) Z;
259 G4double wgt = (*StechiometricFactors)[i 227 G4double wgt = (*StechiometricFactors)[iel]*Z*Z/ZBR2;
260 << 228 //
>> 229
261 //the element is not already loaded 230 //the element is not already loaded
262 if (!fElementData->count(iZ)) << 231 if (!theElementData->count(iZ))
263 { 232 {
264 ReadDataFile(iZ); 233 ReadDataFile(iZ);
265 if (!fElementData->count(iZ)) << 234 if (!theElementData->count(iZ))
266 { 235 {
267 G4ExceptionDescription ed; 236 G4ExceptionDescription ed;
268 ed << "Error in G4PenelopeBremsstrahlu 237 ed << "Error in G4PenelopeBremsstrahlungFS::BuildScaledXSTable" << G4endl;
269 ed << "Unable to retrieve data for ele 238 ed << "Unable to retrieve data for element " << iZ << G4endl;
270 G4Exception("G4PenelopeBremsstrahlungF 239 G4Exception("G4PenelopeBremsstrahlungFS::BuildScaledXSTable()",
271 "em2009",FatalException,ed); 240 "em2009",FatalException,ed);
272 } 241 }
273 } 242 }
274 243
275 G4DataVector* atomData = fElementData->f << 244 G4DataVector* atomData = theElementData->find(iZ)->second;
276 << 245
277 for (std::size_t ie=0;ie<fNBinsE;++ie) << 246 for (size_t ie=0;ie<nBinsE;ie++)
278 { << 247 {
279 (*tempData)[ie] += wgt*(*atomData)[ie*(fNB << 248 (*tempData)[ie] += wgt*(*atomData)[ie*(nBinsX+1)+nBinsX]; //last column contains total XS
280 for (std::size_t ix=0;ix<fNBinsX;++ix) << 249 for (size_t ix=0;ix<nBinsX;ix++)
281 (*tempMatrix)[ie*fNBinsX+ix] += wgt*(*at << 250 (*tempMatrix)[ie*nBinsX+ix] += wgt*(*atomData)[ie*(nBinsX+1)+ix];
282 } 251 }
283 } 252 }
284 253
285 //****************************************** 254 //*********************************************************************
286 // the total energy loss spectrum is re-norm << 255 // the total energy loss spectrum is re-normalized to reproduce the total
287 // scaled cross section of Berger and Seltze 256 // scaled cross section of Berger and Seltzer
288 //****************************************** 257 //*********************************************************************
289 for (std::size_t ie=0;ie<fNBinsE;++ie) << 258 for (size_t ie=0;ie<nBinsE;ie++)
290 { 259 {
291 //for each energy, calculate integral of 260 //for each energy, calculate integral of dSigma/dx over dx
292 G4double* tempData2 = new G4double[fNBin << 261 G4double* tempData2 = new G4double[nBinsX];
293 for (std::size_t ix=0;ix<fNBinsX;++ix) << 262 for (size_t ix=0;ix<nBinsX;ix++)
294 tempData2[ix] = (*tempMatrix)[ie*fNBinsX+ix] << 263 tempData2[ix] = (*tempMatrix)[ie*nBinsX+ix];
295 G4double rsum = GetMomentumIntegral(temp 264 G4double rsum = GetMomentumIntegral(tempData2,1.0,0);
296 delete[] tempData2; << 265 delete[] tempData2;
297 G4double fact = millibarn*(theEGrid[ie]+ 266 G4double fact = millibarn*(theEGrid[ie]+electron_mass_c2)*(1./fine_structure_const)/
298 (classic_electr_radius*classic_electr_radius 267 (classic_electr_radius*classic_electr_radius*(theEGrid[ie]+2.0*electron_mass_c2));
299 G4double fnorm = (*tempData)[ie]/(rsum*f 268 G4double fnorm = (*tempData)[ie]/(rsum*fact);
300 G4double TST = 100.*std::fabs(fnorm-1.0) 269 G4double TST = 100.*std::fabs(fnorm-1.0);
301 if (TST > 1.0) 270 if (TST > 1.0)
302 { 271 {
303 G4ExceptionDescription ed; 272 G4ExceptionDescription ed;
304 ed << "G4PenelopeBremsstrahlungFS. Corrupt 273 ed << "G4PenelopeBremsstrahlungFS. Corrupted data files?" << G4endl;
305 G4cout << "TST= " << TST << "; fnorm = " < 274 G4cout << "TST= " << TST << "; fnorm = " << fnorm << G4endl;
306 G4cout << "rsum = " << rsum << G4endl; 275 G4cout << "rsum = " << rsum << G4endl;
307 G4cout << "fact = " << fact << G4endl; 276 G4cout << "fact = " << fact << G4endl;
308 G4cout << ie << " " << theEGrid[ie]/keV << 277 G4cout << ie << " " << theEGrid[ie]/keV << " " << (*tempData)[ie]/barn << G4endl;
309 G4Exception("G4PenelopeBremsstrahlungFS::B 278 G4Exception("G4PenelopeBremsstrahlungFS::BuildScaledXSTable()",
310 "em2010",FatalException,ed); 279 "em2010",FatalException,ed);
311 } << 280 }
312 for (std::size_t ix=0;ix<fNBinsX;++ix) << 281 for (size_t ix=0;ix<nBinsX;ix++)
313 (*tempMatrix)[ie*fNBinsX+ix] *= fnorm; << 282 (*tempMatrix)[ie*nBinsX+ix] *= fnorm;
314 } 283 }
315 284
316 //****************************************** 285 //*********************************************************************
317 // create and fill the tables 286 // create and fill the tables
318 //****************************************** << 287 //*********************************************************************
319 G4PhysicsTable* thePhysicsTable = new G4Phys 288 G4PhysicsTable* thePhysicsTable = new G4PhysicsTable();
320 // the table will contain 32 G4PhysicsFreeVe << 289 // the table will contain 32 G4PhysicsFreeVectors with different
321 // values of x. Each of the G4PhysicsFreeVec << 290 // values of x. Each of the G4PhysicsFreeVectors has a profile of
322 // log(XS) vs. log(E) 291 // log(XS) vs. log(E)
323 << 292
324 //reserve space of the vectors. Everything i 293 //reserve space of the vectors. Everything is log-log
325 //I add one extra "fake" point at low energy 294 //I add one extra "fake" point at low energy, since the Penelope
326 //table starts at 1 keV 295 //table starts at 1 keV
327 for (std::size_t i=0;i<fNBinsX;++i) << 296 for (size_t i=0;i<nBinsX;i++)
328 thePhysicsTable->push_back(new G4PhysicsFr << 297 thePhysicsTable->push_back(new G4PhysicsFreeVector(nBinsE+1));
329 << 298
330 for (std::size_t ix=0;ix<fNBinsX;++ix) << 299 for (size_t ix=0;ix<nBinsX;ix++)
331 { << 300 {
332 G4PhysicsFreeVector* theVec = << 301 G4PhysicsFreeVector* theVec =
333 (G4PhysicsFreeVector*) ((*thePhysicsTable)[i << 302 (G4PhysicsFreeVector*) ((*thePhysicsTable)[ix]);
334 for (std::size_t ie=0;ie<fNBinsE;++ie) << 303 for (size_t ie=0;ie<nBinsE;ie++)
335 { 304 {
336 G4double logene = G4Log(theEGrid[ie]); << 305 G4double logene = std::log(theEGrid[ie]);
337 G4double aValue = (*tempMatrix)[ie*fNBinsX << 306 G4double aValue = (*tempMatrix)[ie*nBinsX+ix];
338 if (aValue < 1e-20*millibarn) //protection 307 if (aValue < 1e-20*millibarn) //protection against log(0)
339 aValue = 1e-20*millibarn; << 308 aValue = 1e-20*millibarn;
340 theVec->PutValues(ie+1,logene,G4Log(aValue << 309 theVec->PutValue(ie+1,logene,std::log(aValue));
341 } 310 }
342 //Add fake point at 1 eV using an extrap << 311 //Add fake point at 1 eV using an extrapolation with the derivative
343 //at the first valid point (Penelope app 312 //at the first valid point (Penelope approach)
344 G4double derivative = ((*theVec)[2]-(*th 313 G4double derivative = ((*theVec)[2]-(*theVec)[1])/(theVec->Energy(2) - theVec->Energy(1));
345 G4double log1eV = G4Log(1*eV); << 314 G4double log1eV = std::log(1*eV);
346 G4double val1eV = (*theVec)[1]+derivativ 315 G4double val1eV = (*theVec)[1]+derivative*(log1eV-theVec->Energy(1));
347 //fake point at very low energy 316 //fake point at very low energy
348 theVec->PutValues(0,log1eV,val1eV); << 317 theVec->PutValue(0,log1eV,val1eV);
349 } 318 }
350 std::pair<const G4Material*,G4double> theKey 319 std::pair<const G4Material*,G4double> theKey = std::make_pair(material,cut);
351 fReducedXSTable->insert(std::make_pair(theKe << 320 theReducedXSTable->insert(std::make_pair(theKey,thePhysicsTable));
352 321
353 delete StechiometricFactors; 322 delete StechiometricFactors;
354 delete tempData; 323 delete tempData;
355 delete tempMatrix; 324 delete tempMatrix;
356 325
357 //Do here also the initialization of the ene <<
358 if (!(fSamplingTable->count(theKey))) <<
359 InitializeEnergySampling(material,cut); <<
360 <<
361 return; 326 return;
362 } 327 }
363 328
364 //....oooOO0OOooo........oooOO0OOooo........oo 329 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
365 330
366 void G4PenelopeBremsstrahlungFS::ReadDataFile( 331 void G4PenelopeBremsstrahlungFS::ReadDataFile(G4int Z)
367 { 332 {
368 const char* path = G4FindDataDir("G4LEDATA") << 333
>> 334 char* path = getenv("G4LEDATA");
369 if (!path) 335 if (!path)
370 { 336 {
371 G4String excep = "G4PenelopeBremsstrahlu 337 G4String excep = "G4PenelopeBremsstrahlungFS - G4LEDATA environment variable not set!";
372 G4Exception("G4PenelopeBremsstrahlungFS: 338 G4Exception("G4PenelopeBremsstrahlungFS::ReadDataFile()",
373 "em0006",FatalException,excep); 339 "em0006",FatalException,excep);
374 return; 340 return;
375 } 341 }
376 /* 342 /*
377 Read the cross section file 343 Read the cross section file
378 */ 344 */
379 std::ostringstream ost; 345 std::ostringstream ost;
380 if (Z>9) 346 if (Z>9)
381 ost << path << "/penelope/bremsstrahlung/p 347 ost << path << "/penelope/bremsstrahlung/pdebr" << Z << ".p08";
382 else 348 else
383 ost << path << "/penelope/bremsstrahlung/p 349 ost << path << "/penelope/bremsstrahlung/pdebr0" << Z << ".p08";
384 std::ifstream file(ost.str().c_str()); 350 std::ifstream file(ost.str().c_str());
385 if (!file.is_open()) 351 if (!file.is_open())
386 { 352 {
387 G4String excep = "G4PenelopeBremsstrahlu << 353 G4String excep = "G4PenelopeBremsstrahlungFS - data file " +
388 G4String(ost.str()) + " not found!"; 354 G4String(ost.str()) + " not found!";
389 G4Exception("G4PenelopeBremsstrahlungFS: 355 G4Exception("G4PenelopeBremsstrahlungFS::ReadDataFile()",
390 "em0003",FatalException,excep); 356 "em0003",FatalException,excep);
391 return; 357 return;
392 } 358 }
393 359
394 G4int readZ =0; 360 G4int readZ =0;
395 file >> readZ; 361 file >> readZ;
396 362
397 //check the right file is opened. 363 //check the right file is opened.
398 if (readZ != Z) 364 if (readZ != Z)
399 { 365 {
400 G4ExceptionDescription ed; 366 G4ExceptionDescription ed;
401 ed << "Corrupted data file for Z=" << Z 367 ed << "Corrupted data file for Z=" << Z << G4endl;
402 G4Exception("G4PenelopeBremsstrahlungFS: 368 G4Exception("G4PenelopeBremsstrahlungFS::ReadDataFile()",
403 "em0005",FatalException,ed); 369 "em0005",FatalException,ed);
404 return; 370 return;
405 } 371 }
406 372
407 G4DataVector* theMatrix = new G4DataVector(f << 373 G4DataVector* theMatrix = new G4DataVector(nBinsE*(nBinsX+1),0.); //initialized with zeros
408 374
409 for (std::size_t ie=0;ie<fNBinsE;++ie) << 375 for (size_t ie=0;ie<nBinsE;ie++)
410 { 376 {
411 G4double myDouble = 0; 377 G4double myDouble = 0;
412 file >> myDouble; //energy (eV) 378 file >> myDouble; //energy (eV)
413 if (!theEGrid[ie]) //fill only the first 379 if (!theEGrid[ie]) //fill only the first time
414 theEGrid[ie] = myDouble*eV; 380 theEGrid[ie] = myDouble*eV;
415 // 381 //
416 for (std::size_t ix=0;ix<fNBinsX;++ix) << 382 for (size_t ix=0;ix<nBinsX;ix++)
417 { 383 {
418 file >> myDouble; 384 file >> myDouble;
419 (*theMatrix)[ie*(fNBinsX+1)+ix] = myDouble << 385 (*theMatrix)[ie*(nBinsX+1)+ix] = myDouble*millibarn;
420 } 386 }
421 file >> myDouble; //total cross section 387 file >> myDouble; //total cross section
422 (*theMatrix)[ie*(fNBinsX+1)+fNBinsX] = m << 388 (*theMatrix)[ie*(nBinsX+1)+nBinsX] = myDouble*millibarn;
423 } 389 }
424 390
425 if (fElementData) << 391 if (theElementData)
426 fElementData->insert(std::make_pair(Z,theM << 392 theElementData->insert(std::make_pair(Z,theMatrix));
427 else 393 else
428 delete theMatrix; 394 delete theMatrix;
429 file.close(); 395 file.close();
430 return; 396 return;
431 } 397 }
432 <<
433 //....oooOO0OOooo........oooOO0OOooo........oo 398 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
434 399
435 G4double G4PenelopeBremsstrahlungFS::GetMoment 400 G4double G4PenelopeBremsstrahlungFS::GetMomentumIntegral(G4double* y,
436 G4double xup,G4int momOrder) << 401 G4double xup,G4int momOrder)
437 //x is always the gridX 402 //x is always the gridX
438 { 403 {
439 //Corresponds to the function RLMOM of Penel 404 //Corresponds to the function RLMOM of Penelope
440 //This method performs the calculation of th 405 //This method performs the calculation of the integral of (x^momOrder)*y over the interval
441 //from x[0] to xup, obtained by linear inter << 406 //from x[0] to xup, obtained by linear interpolation on a table of y.
442 //The independent variable is assumed to tak 407 //The independent variable is assumed to take positive values only.
443 // 408 //
444 std::size_t size = fNBinsX; << 409 size_t size = nBinsX;
445 const G4double eps = 1e-35; 410 const G4double eps = 1e-35;
446 411
447 //Check that the call is valid 412 //Check that the call is valid
448 if (momOrder<-1 || size<2 || theXGrid[0]<0) 413 if (momOrder<-1 || size<2 || theXGrid[0]<0)
449 { 414 {
450 G4Exception("G4PenelopeBremsstrahlungFS: 415 G4Exception("G4PenelopeBremsstrahlungFS::GetMomentumIntegral()",
451 "em2011",FatalException,"Invalid call"); 416 "em2011",FatalException,"Invalid call");
452 } 417 }
453 418
454 for (std::size_t i=1;i<size;++i) << 419 for (size_t i=1;i<size;i++)
455 { 420 {
456 if (theXGrid[i]<0 || theXGrid[i]<theXGri 421 if (theXGrid[i]<0 || theXGrid[i]<theXGrid[i-1])
457 { 422 {
458 G4ExceptionDescription ed; 423 G4ExceptionDescription ed;
459 ed << "Invalid call for bin " << i << G4en 424 ed << "Invalid call for bin " << i << G4endl;
460 G4Exception("G4PenelopeBremsstrahlungFS::G 425 G4Exception("G4PenelopeBremsstrahlungFS::GetMomentumIntegral()",
461 "em2012",FatalException,ed); 426 "em2012",FatalException,ed);
462 } 427 }
463 } 428 }
464 429
465 //Compute the integral 430 //Compute the integral
466 G4double result = 0; 431 G4double result = 0;
467 if (xup < theXGrid[0]) 432 if (xup < theXGrid[0])
468 return result; 433 return result;
469 G4bool loopAgain = true; << 434 bool loopAgain = true;
470 G4double xt = std::min(xup,theXGrid[size-1]) 435 G4double xt = std::min(xup,theXGrid[size-1]);
471 G4double xtc = 0; 436 G4double xtc = 0;
472 for (std::size_t i=0;i<size-1;++i) << 437 for (size_t i=0;i<size-1;i++)
473 { 438 {
474 G4double x1 = std::max(theXGrid[i],eps); 439 G4double x1 = std::max(theXGrid[i],eps);
475 G4double y1 = y[i]; 440 G4double y1 = y[i];
476 G4double x2 = std::max(theXGrid[i+1],eps 441 G4double x2 = std::max(theXGrid[i+1],eps);
477 G4double y2 = y[i+1]; 442 G4double y2 = y[i+1];
478 if (xt < x2) 443 if (xt < x2)
479 { 444 {
480 xtc = xt; 445 xtc = xt;
481 loopAgain = false; 446 loopAgain = false;
482 } 447 }
483 else 448 else
484 xtc = x2; 449 xtc = x2;
485 G4double dx = x2-x1; 450 G4double dx = x2-x1;
486 G4double dy = y2-y1; 451 G4double dy = y2-y1;
487 G4double ds = 0; 452 G4double ds = 0;
488 if (std::fabs(dx)>1e-14*std::fabs(dy)) 453 if (std::fabs(dx)>1e-14*std::fabs(dy))
489 { 454 {
490 G4double b=dy/dx; 455 G4double b=dy/dx;
491 G4double a=y1-b*x1; << 456 G4double a=y1-b*x1;
492 if (momOrder == -1) << 457 if (momOrder == -1)
493 ds = a*G4Log(xtc/x1)+b*(xtc-x1); << 458 ds = a*std::log(xtc/x1)+b*(xtc-x1);
494 else if (momOrder == 0) //speed it up, not 459 else if (momOrder == 0) //speed it up, not using pow()
495 ds = a*(xtc-x1) + 0.5*b*(xtc*xtc-x1*x1); 460 ds = a*(xtc-x1) + 0.5*b*(xtc*xtc-x1*x1);
496 else 461 else
497 ds = a*(std::pow(xtc,momOrder+1)-std::po 462 ds = a*(std::pow(xtc,momOrder+1)-std::pow(x1,momOrder+1))/((G4double) (momOrder + 1))
498 + b*(std::pow(xtc,momOrder+2)-std::pow << 463 + b*(std::pow(xtc,momOrder+2)-std::pow(x1,momOrder+2))/((G4double) (momOrder + 2));
499 } 464 }
500 else 465 else
501 ds = 0.5*(y1+y2)*(xtc-x1)*std::pow(xtc,momOr 466 ds = 0.5*(y1+y2)*(xtc-x1)*std::pow(xtc,momOrder);
502 result += ds; 467 result += ds;
503 if (!loopAgain) << 468 if (!loopAgain)
504 return result; 469 return result;
505 } 470 }
506 return result; 471 return result;
507 } 472 }
508 473
509 //....oooOO0OOooo........oooOO0OOooo........oo 474 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
510 475
511 const G4PhysicsTable* G4PenelopeBremsstrahlung << 476 G4PhysicsTable* G4PenelopeBremsstrahlungFS::GetScaledXSTable(const G4Material* mat,
512 const G4double cut) const << 477 G4double cut)
513 { 478 {
>> 479 //check if the container exists (if not, create it)
>> 480 if (!theReducedXSTable)
>> 481 theReducedXSTable = new std::map< std::pair<const G4Material*,G4double> ,
>> 482 G4PhysicsTable*>;
>> 483 if (!theEffectiveZSq)
>> 484 theEffectiveZSq = new std::map<const G4Material*,G4double>;
>> 485
514 //check if it already contains the entry 486 //check if it already contains the entry
515 std::pair<const G4Material*,G4double> theKey 487 std::pair<const G4Material*,G4double> theKey = std::make_pair(mat,cut);
516 << 488 if (!(theReducedXSTable->count(theKey))) //not found
517 if (!(fReducedXSTable->count(theKey))) << 489 BuildScaledXSTable(mat,cut);
>> 490
>> 491 if (!(theReducedXSTable->count(theKey)))
518 { 492 {
519 G4Exception("G4PenelopeBremsstrahlungFS: 493 G4Exception("G4PenelopeBremsstrahlungFS::GetScaledXSTable()",
520 "em2013",FatalException,"Unable to retri 494 "em2013",FatalException,"Unable to retrieve the cross section table");
521 } 495 }
522 496
523 return fReducedXSTable->find(theKey)->second << 497 return theReducedXSTable->find(theKey)->second;
524 } 498 }
525 499
526 //....oooOO0OOooo........oooOO0OOooo........oo 500 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
527 501
528 void G4PenelopeBremsstrahlungFS::InitializeEne 502 void G4PenelopeBremsstrahlungFS::InitializeEnergySampling(const G4Material* material,
529 G4double cut) 503 G4double cut)
530 { << 504 {
531 if (fVerbosity > 2) <<
532 G4cout << "Entering in G4PenelopeBremsstra <<
533 material->GetName() << G4endl; <<
534 <<
535 //This method should be accessed by the mast <<
536 std::pair<const G4Material*,G4double> theKey 505 std::pair<const G4Material*,G4double> theKey = std::make_pair(material,cut);
537 << 506
538 G4PhysicsTable* thePhysicsTable = new G4Phys 507 G4PhysicsTable* thePhysicsTable = new G4PhysicsTable();
539 // the table will contain 57 G4PhysicsFreeVe << 508 // the table will contain 57 G4PhysicsFreeVectors with different
540 // values of E. 509 // values of E.
541 G4PhysicsFreeVector* thePBvec = new G4Physic << 510 G4PhysicsFreeVector* thePBvec = new G4PhysicsFreeVector(nBinsE);
542 511
543 //I reserve space of the vectors. << 512 //I reserve space of the vectors.
544 for (std::size_t i=0;i<fNBinsE;++i) << 513 for (size_t i=0;i<nBinsE;i++)
545 thePhysicsTable->push_back(new G4PhysicsFr << 514 thePhysicsTable->push_back(new G4PhysicsFreeVector(nBinsX));
546 <<
547 //Retrieve the table. Must already exist at <<
548 //method is invoked by GetScaledXSTable() <<
549 if (!(fReducedXSTable->count(theKey))) <<
550 G4Exception("G4PenelopeBremsstrahlungFS::I <<
551 "em2013",FatalException,"Unable to retriev <<
552 G4PhysicsTable* theTableReduced = fReducedXS <<
553 515
554 for (std::size_t ie=0;ie<fNBinsE;++ie) << 516 //Retrieve existing table using the method GetScaledXSTable()
>> 517 //This will create the table ex-novo, if it does not exist for
>> 518 //some reason
>> 519 G4PhysicsTable* theTableReduced = GetScaledXSTable(material,cut);
>> 520
>> 521 for (size_t ie=0;ie<nBinsE;ie++)
555 { 522 {
556 G4PhysicsFreeVector* theVec = << 523 G4PhysicsFreeVector* theVec =
557 (G4PhysicsFreeVector*) ((*thePhysicsTable)[i << 524 (G4PhysicsFreeVector*) ((*thePhysicsTable)[ie]);
558 //Fill the table 525 //Fill the table
559 G4double value = 0; //first value 526 G4double value = 0; //first value
560 theVec->PutValues(0,theXGrid[0],value); << 527 theVec->PutValue(0,theXGrid[0],value);
561 for (std::size_t ix=1;ix<fNBinsX;++ix) << 528 for (size_t ix=1;ix<nBinsX;ix++)
562 { 529 {
563 //Here calculate the cumulative distributi 530 //Here calculate the cumulative distribution
564 // int_{0}^{x} dSigma(x',E)/dx' (1/x') dx' << 531 // int_{0}^{x} dSigma(x',E)/dx' (1/x') dx'
565 G4PhysicsFreeVector* v1 = (G4PhysicsFreeVe 532 G4PhysicsFreeVector* v1 = (G4PhysicsFreeVector*) (*theTableReduced)[ix-1];
566 G4PhysicsFreeVector* v2 = (G4PhysicsFreeVe 533 G4PhysicsFreeVector* v2 = (G4PhysicsFreeVector*) (*theTableReduced)[ix];
567 534
568 G4double x1=std::max(theXGrid[ix-1],1.0e-3 << 535 G4double x1=std::max(theXGrid[ix-1],1.0e-35);
569 //Remember: the table fReducedXSTable has << 536 //Remember: the table theReducedXSTable has a fake first point in energy
570 //so, it contains one more bin than fNBins << 537 //so, it contains one more bin than nBinsE.
571 G4double y1=G4Exp((*v1)[ie+1]); << 538 G4double y1=std::exp((*v1)[ie+1]);
572 G4double x2=std::max(theXGrid[ix],1.0e-35) 539 G4double x2=std::max(theXGrid[ix],1.0e-35);
573 G4double y2=G4Exp((*v2)[ie+1]); << 540 G4double y2=std::exp((*v2)[ie+1]);
574 G4double B = (y2-y1)/(x2-x1); 541 G4double B = (y2-y1)/(x2-x1);
575 G4double A = y1-B*x1; 542 G4double A = y1-B*x1;
576 G4double dS = A*G4Log(x2/x1)+B*(x2-x1); << 543 G4double dS = A*std::log(x2/x1)+B*(x2-x1);
577 value += dS; 544 value += dS;
578 theVec->PutValues(ix,theXGrid[ix],value); << 545 theVec->PutValue(ix,theXGrid[ix],value);
579 } 546 }
>> 547
580 //fill the PB vector 548 //fill the PB vector
581 G4double xc = cut/theEGrid[ie]; 549 G4double xc = cut/theEGrid[ie];
582 //Fill a temp data vector 550 //Fill a temp data vector
583 G4double* tempData = new G4double[fNBins << 551 G4double* tempData = new G4double[nBinsX];
584 for (std::size_t ix=0;ix<fNBinsX;++ix) << 552 for (size_t ix=0;ix<nBinsX;ix++)
585 { 553 {
586 G4PhysicsFreeVector* vv = (G4PhysicsFreeVe 554 G4PhysicsFreeVector* vv = (G4PhysicsFreeVector*) (*theTableReduced)[ix];
587 tempData[ix] = G4Exp((*vv)[ie+1]); << 555 tempData[ix] = std::exp((*vv)[ie+1]);
588 } 556 }
589 G4double pbval = (xc<=1) ? 557 G4double pbval = (xc<=1) ?
590 GetMomentumIntegral(tempData,xc,-1) : 558 GetMomentumIntegral(tempData,xc,-1) :
591 GetMomentumIntegral(tempData,1.0,-1); << 559 GetMomentumIntegral(tempData,1.0,-1);
592 thePBvec->PutValues(ie,theEGrid[ie],pbva << 560 thePBvec->PutValue(ie,theEGrid[ie],pbval);
593 delete[] tempData; 561 delete[] tempData;
594 } 562 }
595 563
596 fSamplingTable->insert(std::make_pair(theKey << 564 theSamplingTable->insert(std::make_pair(theKey,thePhysicsTable));
597 fPBcut->insert(std::make_pair(theKey,thePBve << 565 thePBcut->insert(std::make_pair(theKey,thePBvec));
598 return; 566 return;
599 } 567 }
600 568
601 //....oooOO0OOooo........oooOO0OOooo........oo 569 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
602 570
603 G4double G4PenelopeBremsstrahlungFS::SampleGam << 571 G4double G4PenelopeBremsstrahlungFS::SampleGammaEnergy(G4double energy,const G4Material* mat,
604 const G4double cut) const << 572 G4double cut)
605 { 573 {
>> 574 if (!theSamplingTable)
>> 575 theSamplingTable =
>> 576 new std::map< std::pair<const G4Material*,G4double> , G4PhysicsTable*>;
>> 577 if (!thePBcut)
>> 578 thePBcut =
>> 579 new std::map< std::pair<const G4Material*,G4double> , G4PhysicsFreeVector* >;
>> 580
606 std::pair<const G4Material*,G4double> theKey 581 std::pair<const G4Material*,G4double> theKey = std::make_pair(mat,cut);
607 if (!(fSamplingTable->count(theKey)) || !(fP << 582
>> 583 if (!(theSamplingTable->count(theKey)))
608 { 584 {
609 G4ExceptionDescription ed; << 585 InitializeEnergySampling(mat,cut);
610 ed << "Unable to retrieve the SamplingTa << 586 if (!(theSamplingTable->count(theKey)) || !(thePBcut->count(theKey)))
611 fSamplingTable->count(theKey) << " " << << 587 {
612 fPBcut->count(theKey) << G4endl; << 588 G4ExceptionDescription ed;
613 G4Exception("G4PenelopeBremsstrahlungFS: << 589 ed << "Unable to create the SamplingTable: " <<
614 "em2014",FatalException,ed); << 590 theSamplingTable->count(theKey) << " " <<
>> 591 thePBcut->count(theKey) << G4endl;
>> 592 G4Exception("G4PenelopeBremsstrahlungFS::SampleGammaEnergy()",
>> 593 "em2014",FatalException,ed);
>> 594 }
615 } 595 }
616 const G4PhysicsTable* theTableInte = fSampli << 596
617 const G4PhysicsTable* theTableRed = fReduced << 597 G4PhysicsTable* theTableInte = theSamplingTable->find(theKey)->second;
>> 598 G4PhysicsTable* theTableRed = theReducedXSTable->find(theKey)->second;
618 599
619 //Find the energy bin using bi-partition 600 //Find the energy bin using bi-partition
620 std::size_t eBin = 0; << 601 size_t eBin = 0;
621 G4bool firstOrLastBin = false; 602 G4bool firstOrLastBin = false;
622 603
623 if (energy < theEGrid[0]) //below first bin 604 if (energy < theEGrid[0]) //below first bin
624 { 605 {
625 eBin = 0; 606 eBin = 0;
626 firstOrLastBin = true; 607 firstOrLastBin = true;
627 } 608 }
628 else if (energy > theEGrid[fNBinsE-1]) //aft << 609 else if (energy > theEGrid[nBinsE-1]) //after last bin
629 { 610 {
630 eBin = fNBinsE-1; << 611 eBin = nBinsE-1;
631 firstOrLastBin = true; 612 firstOrLastBin = true;
632 } 613 }
633 else 614 else
634 { 615 {
635 std::size_t i=0; << 616 size_t i=0;
636 std::size_t j=fNBinsE-1; << 617 size_t j=nBinsE-1;
637 while ((j-i)>1) 618 while ((j-i)>1)
638 { 619 {
639 std::size_t k = (i+j)/2; << 620 size_t k = (i+j)/2;
640 if (energy > theEGrid[k]) 621 if (energy > theEGrid[k])
641 i = k; 622 i = k;
642 else 623 else
643 j = k; << 624 j = k;
644 } 625 }
645 eBin = i; 626 eBin = i;
646 } 627 }
647 628
648 //Get the appropriate physics vector 629 //Get the appropriate physics vector
649 const G4PhysicsFreeVector* theVec1 = (G4Phys << 630 G4PhysicsFreeVector* theVec1 = (G4PhysicsFreeVector*) (*theTableInte)[eBin];
650 631
651 //Use a "temporary" vector which contains th << 632 //use a "temporary" vector which contains the linear interpolation of the x spectra
652 //in energy. The temporary vector is thread- << 633 //in energy
653 //This is achieved via G4Cache. The theTempV <<
654 //(member variable), but it is overwritten a <<
655 //(because the interpolation factors change! <<
656 G4PhysicsFreeVector* theTempVec = fCache.Get <<
657 if (!theTempVec) //First time this thread ge <<
658 { <<
659 theTempVec = new G4PhysicsFreeVector(fNB <<
660 fCache.Put(theTempVec); <<
661 // The G4AutoDelete takes care here to c <<
662 G4AutoDelete::Register(theTempVec); <<
663 if (fVerbosity > 4) <<
664 G4cout << "Creating new instance of G4Physic <<
665 } <<
666 634
667 //theTempVect is allocated only once (member << 635 //theTempVect is allocated only once (member variable), but it is overwritten at
668 //every call of this method (because the int 636 //every call of this method (because the interpolation factors change!)
669 if (!firstOrLastBin) 637 if (!firstOrLastBin)
670 { << 638 {
671 const G4PhysicsFreeVector* theVec2 = (G4 << 639 G4PhysicsFreeVector* theVec2 = (G4PhysicsFreeVector*) (*theTableInte)[eBin+1];
672 for (std::size_t iloop=0;iloop<fNBinsX;+ << 640 for (size_t iloop=0;iloop<nBinsX;iloop++)
673 { 641 {
674 G4double val = (*theVec1)[iloop]+(((*theVe 642 G4double val = (*theVec1)[iloop]+(((*theVec2)[iloop]-(*theVec1)[iloop]))*
675 (energy-theEGrid[eBin])/(theEGrid[eBin+1 643 (energy-theEGrid[eBin])/(theEGrid[eBin+1]-theEGrid[eBin]);
676 theTempVec->PutValues(iloop,theXGrid[iloop << 644 theTempVec->PutValue(iloop,theXGrid[iloop],val);
677 } << 645 }
678 } 646 }
679 else //first or last bin, no interpolation 647 else //first or last bin, no interpolation
680 { 648 {
681 for (std::size_t iloop=0;iloop<fNBinsX;+ << 649 for (size_t iloop=0;iloop<nBinsX;iloop++)
682 theTempVec->PutValues(iloop,theXGrid[iloop], << 650 theTempVec->PutValue(iloop,theXGrid[iloop],(*theVec1)[iloop]);
683 } 651 }
684 652
685 //Start the game 653 //Start the game
686 G4double pbcut = (*(fPBcut->find(theKey)->se << 654 G4double pbcut = (*(thePBcut->find(theKey)->second))[eBin];
687 << 655
688 if (!firstOrLastBin) //linear interpolation 656 if (!firstOrLastBin) //linear interpolation on pbcut as well
689 { 657 {
690 pbcut = (*(fPBcut->find(theKey)->second) << 658 pbcut = (*(thePBcut->find(theKey)->second))[eBin] +
691 ((*(fPBcut->find(theKey)->second))[eBin+1]-( << 659 ((*(thePBcut->find(theKey)->second))[eBin+1]-(*(thePBcut->find(theKey)->second))[eBin])*
692 (energy-theEGrid[eBin])/(theEGrid[eBin+1]-th 660 (energy-theEGrid[eBin])/(theEGrid[eBin+1]-theEGrid[eBin]);
693 } 661 }
694 662
695 G4double pCumulative = (*theTempVec)[fNBinsX << 663 G4double pCumulative = (*theTempVec)[nBinsX-1]; //last value
696 << 664
697 G4double eGamma = 0; 665 G4double eGamma = 0;
698 G4int nIterations = 0; <<
699 do 666 do
700 { << 667 {
701 G4double pt = pbcut + G4UniformRand()*(p 668 G4double pt = pbcut + G4UniformRand()*(pCumulative - pbcut);
702 nIterations++; <<
703 669
704 //find where it is 670 //find where it is
705 std::size_t ibin = 0; << 671 size_t ibin = 0;
706 if (pt < (*theTempVec)[0]) 672 if (pt < (*theTempVec)[0])
707 ibin = 0; 673 ibin = 0;
708 else if (pt > (*theTempVec)[fNBinsX-1]) << 674 else if (pt > (*theTempVec)[nBinsX-1])
709 { 675 {
710 //We observed problems due to numerical ro << 676 //We observed problems due to numerical rounding here (STT).
711 //delta here is a tiny positive number 677 //delta here is a tiny positive number
712 G4double delta = pt-(*theTempVec)[fNBinsX- << 678 G4double delta = pt-(*theTempVec)[nBinsX-1];
713 if (delta < pt*1e-10) // very small! Numer 679 if (delta < pt*1e-10) // very small! Numerical rounding only
714 { 680 {
715 ibin = fNBinsX-2; << 681 ibin = nBinsX-2;
716 G4ExceptionDescription ed; 682 G4ExceptionDescription ed;
717 ed << "Found that (pt > (*theTempVec)[ << 683 ed << "Found that (pt > (*theTempVec)[nBinsX-1]) with pt = " << pt <<
718 " , (*theTempVec)[fNBinsX-1] = " << (*theT << 684 " , (*theTempVec)[nBinsX-1] = " << (*theTempVec)[nBinsX-1] << " and delta = " <<
719 (pt-(*theTempVec)[fNBinsX-1]) << G4endl; << 685 (pt-(*theTempVec)[nBinsX-1]) << G4endl;
720 ed << "Possible symptom of problem wit 686 ed << "Possible symptom of problem with numerical precision" << G4endl;
721 G4Exception("G4PenelopeBremsstrahlungF 687 G4Exception("G4PenelopeBremsstrahlungFS::SampleGammaEnergy()",
722 "em2015",JustWarning,ed); 688 "em2015",JustWarning,ed);
723 } 689 }
724 else //real problem 690 else //real problem
725 { 691 {
726 G4ExceptionDescription ed; 692 G4ExceptionDescription ed;
727 ed << "Crash at (pt > (*theTempVec)[fN << 693 ed << "Crash at (pt > (*theTempVec)[nBinsX-1]) with pt = " << pt <<
728 " , (*theTempVec)[fNBinsX-1]=" << (*theTem << 694 " , (*theTempVec)[nBinsX-1]=" << (*theTempVec)[nBinsX-1] << " and nBinsX = " <<
729 fNBinsX << G4endl; << 695 nBinsX << G4endl;
730 ed << "Material: " << mat->GetName() < << 696 ed << "Material: " << mat->GetName() << ", energy = " << energy/keV << " keV" <<
731 G4endl; 697 G4endl;
732 G4Exception("G4PenelopeBremsstrahlungF 698 G4Exception("G4PenelopeBremsstrahlungFS::SampleGammaEnergy()",
733 "em2015",FatalException,ed); << 699 "em2015",FatalException,ed);
734 } 700 }
735 } 701 }
736 else 702 else
737 { 703 {
738 std::size_t i=0; << 704 size_t i=0;
739 std::size_t j=fNBinsX-1; << 705 size_t j=nBinsX-1;
740 while ((j-i)>1) 706 while ((j-i)>1)
741 { 707 {
742 std::size_t k = (i+j)/2; << 708 size_t k = (i+j)/2;
743 if (pt > (*theTempVec)[k]) 709 if (pt > (*theTempVec)[k])
744 i = k; 710 i = k;
745 else 711 else
746 j = k; 712 j = k;
747 } 713 }
748 ibin = i; 714 ibin = i;
749 } 715 }
750 << 716
751 G4double w1 = theXGrid[ibin]; 717 G4double w1 = theXGrid[ibin];
752 G4double w2 = theXGrid[ibin+1]; << 718 G4double w2 = theXGrid[ibin+1];
753 719
754 const G4PhysicsFreeVector* v1 = (G4Physi << 720 G4PhysicsFreeVector* v1 = (G4PhysicsFreeVector*) (*theTableRed)[ibin];
755 const G4PhysicsFreeVector* v2 = (G4Physi << 721 G4PhysicsFreeVector* v2 = (G4PhysicsFreeVector*) (*theTableRed)[ibin+1];
756 //Remember: the table fReducedXSTable ha << 722 //Remember: the table theReducedXSTable has a fake first point in energy
757 //so, it contains one more bin than fNBi << 723 //so, it contains one more bin than nBinsE.
758 G4double pdf1 = G4Exp((*v1)[eBin+1]); << 724 G4double pdf1 = std::exp((*v1)[eBin+1]);
759 G4double pdf2 = G4Exp((*v2)[eBin+1]); << 725 G4double pdf2 = std::exp((*v2)[eBin+1]);
760 G4double deltaW = w2-w1; 726 G4double deltaW = w2-w1;
761 G4double dpdfb = pdf2-pdf1; 727 G4double dpdfb = pdf2-pdf1;
762 G4double B = dpdfb/deltaW; 728 G4double B = dpdfb/deltaW;
763 G4double A = pdf1-B*w1; 729 G4double A = pdf1-B*w1;
764 //I already made an interpolation in ene << 730 //I already made an interpolation in energy, so I can use the actual value for the
765 //calculation of the wbcut, instead of t 731 //calculation of the wbcut, instead of the grid values (except for the last bin)
766 G4double wbcut = (cut < energy) ? cut/e 732 G4double wbcut = (cut < energy) ? cut/energy : 1.0;
767 if (firstOrLastBin) //this is an particu 733 if (firstOrLastBin) //this is an particular case: no interpolation available
768 wbcut = (cut < theEGrid[eBin]) ? cut/theEGr 734 wbcut = (cut < theEGrid[eBin]) ? cut/theEGrid[eBin] : 1.0;
769 << 735
770 if (w1 < wbcut) 736 if (w1 < wbcut)
771 w1 = wbcut; 737 w1 = wbcut;
772 if (w2 < w1) 738 if (w2 < w1)
773 { 739 {
774 //This configuration can happen if initial << 740 G4cout << "Warning in G4PenelopeBremsstrahlungFS::SampleX()" << G4endl;
775 //statement, (w1 = wbcut), it becomes wbcu << 741 G4cout << "Conflicting end-point values: w1=" << w1 << "; w2 = " << w2 << G4endl;
776 //real problem. It becomes a problem if w2 << 742 G4cout << "wbcut = " << wbcut << " energy= " << energy/keV << " keV" << G4endl;
777 //a warning only in this specific case. << 743 G4cout << "cut = " << cut/keV << " keV" << G4endl;
778 if (w2 > wbcut) <<
779 { <<
780 G4ExceptionDescription ed; <<
781 ed << "Warning in G4PenelopeBremsstrah <<
782 ed << "Conflicting end-point values: w <<
783 ed << "wbcut = " << wbcut << " energy= <<
784 ed << "cut = " << cut/keV << " keV" << <<
785 G4Exception("G4PenelopeBremsstrahlungF <<
786 JustWarning,ed); <<
787 } <<
788 return w1*energy; 744 return w1*energy;
789 } 745 }
790 << 746
791 G4double pmax = std::max(A+B*w1,A+B*w2); 747 G4double pmax = std::max(A+B*w1,A+B*w2);
792 G4bool loopAgain = false; << 748 G4bool loopAgain = false;
793 do 749 do
794 { 750 {
795 loopAgain = false; 751 loopAgain = false;
796 eGamma = w1* std::pow((w2/w1),G4UniformRan 752 eGamma = w1* std::pow((w2/w1),G4UniformRand());
797 if (G4UniformRand()*pmax > (A+B*eGamma)) 753 if (G4UniformRand()*pmax > (A+B*eGamma))
798 loopAgain = true; << 754 loopAgain = true;
799 }while(loopAgain); << 755 }while(loopAgain);
800 eGamma *= energy; 756 eGamma *= energy;
801 if (nIterations > 100) //protection agai << 757 }while(eGamma < cut); //repeat if sampled sub-cut!
802 return eGamma; <<
803 }while(eGamma < cut); //repeat if sampled <<
804 758
805 return eGamma; 759 return eGamma;
806 } 760 }
>> 761
>> 762
>> 763
>> 764
807 765