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25 // 22 //
26 // G4SPSEneDistribution class implementation << 23 ///////////////////////////////////////////////////////////////////////////////
>> 24 //
>> 25 // MODULE: G4SPSEneDistribution.cc
>> 26 //
>> 27 // Version: 1.0
>> 28 // Date: 5/02/04
>> 29 // Author: Fan Lei
>> 30 // Organisation: QinetiQ ltd.
>> 31 // Customer: ESA/ESTEC
>> 32 //
>> 33 ///////////////////////////////////////////////////////////////////////////////
>> 34 //
>> 35 // CHANGE HISTORY
>> 36 // --------------
>> 37 //
>> 38 //
>> 39 // Version 1.0, 05/02/2004, Fan Lei, Created.
>> 40 // Based on the G4GeneralParticleSource class in Geant4 v6.0
>> 41 //
>> 42 ///////////////////////////////////////////////////////////////////////////////
27 // 43 //
28 // Author: Fan Lei, QinetiQ ltd - 05/02/2004 <<
29 // Customer: ESA/ESTEC <<
30 // Revisions: Andrew Green, Andrea Dotti <<
31 // ------------------------------------------- <<
32 #include "G4SPSEneDistribution.hh" <<
33 <<
34 #include "G4Exp.hh" <<
35 #include "G4SystemOfUnits.hh" <<
36 #include "G4UnitsTable.hh" <<
37 #include "Randomize.hh" 44 #include "Randomize.hh"
38 #include "G4AutoLock.hh" << 45 //#include <cmath>
39 #include "G4Threading.hh" << 46
>> 47 #include "G4SPSEneDistribution.hh"
40 48
41 G4SPSEneDistribution::G4SPSEneDistribution() 49 G4SPSEneDistribution::G4SPSEneDistribution()
42 { 50 {
43 G4MUTEXINIT(mutex); << 51 //
44 <<
45 // Initialise all variables 52 // Initialise all variables
>> 53 particle_energy = 1.0*MeV;
46 54
47 particle_energy = 1.0 * MeV; <<
48 EnergyDisType = "Mono"; 55 EnergyDisType = "Mono";
49 weight=1.; << 56 MonoEnergy = 1*MeV;
50 MonoEnergy = 1 * MeV; <<
51 Emin = 0.; 57 Emin = 0.;
52 Emax = 1.e30; 58 Emax = 1.e30;
53 alpha = 0.; 59 alpha = 0.;
54 biasalpha = 0.; <<
55 prob_norm = 1.0; <<
56 Ezero = 0.; 60 Ezero = 0.;
57 SE = 0.; 61 SE = 0.;
58 Temp = 0.; 62 Temp = 0.;
59 grad = 0.; 63 grad = 0.;
60 cept = 0.; 64 cept = 0.;
>> 65 EnergySpec = true; // true - energy spectra, false - momentum spectra
>> 66 DiffSpec = true; // true - differential spec, false integral spec
61 IntType = "NULL"; // Interpolation type 67 IntType = "NULL"; // Interpolation type
>> 68 IPDFEnergyExist = false;
>> 69 IPDFArbExist = false;
62 70
63 ArbEmin = 0.; 71 ArbEmin = 0.;
64 ArbEmax = 1.e30; 72 ArbEmax = 1.e30;
65 73
66 verbosityLevel = 0; << 74 verbosityLevel = 0 ;
67 << 75
68 threadLocal_t& data = threadLocalData.Get(); <<
69 data.Emax = Emax; <<
70 data.Emin = Emin; <<
71 data.alpha =alpha; <<
72 data.cept = cept; <<
73 data.Ezero = Ezero; <<
74 data.grad = grad; <<
75 data.particle_energy = 0.; <<
76 data.particle_definition = nullptr; <<
77 data.weight = weight; <<
78 } 76 }
79 77
80 G4SPSEneDistribution::~G4SPSEneDistribution() 78 G4SPSEneDistribution::~G4SPSEneDistribution()
81 { << 79 {}
82 G4MUTEXDESTROY(mutex); <<
83 if(Arb_grad_cept_flag) <<
84 { <<
85 delete [] Arb_grad; <<
86 delete [] Arb_cept; <<
87 } <<
88 <<
89 if(Arb_alpha_Const_flag) <<
90 { <<
91 delete [] Arb_alpha; <<
92 delete [] Arb_Const; <<
93 } <<
94 <<
95 if(Arb_ezero_flag) <<
96 { <<
97 delete [] Arb_ezero; <<
98 } <<
99 delete Bbody_x; <<
100 delete BBHist; <<
101 delete CP_x; <<
102 delete CPHist; <<
103 for (auto & it : SplineInt) <<
104 { <<
105 delete it; <<
106 it = nullptr; <<
107 } <<
108 SplineInt.clear(); <<
109 } <<
110 80
111 void G4SPSEneDistribution::SetEnergyDisType(co << 81 void G4SPSEneDistribution::SetEnergyDisType(G4String DisType)
112 { 82 {
113 G4AutoLock l(&mutex); <<
114 EnergyDisType = DisType; 83 EnergyDisType = DisType;
115 if (EnergyDisType == "User") << 84 if (EnergyDisType == "User"){
116 { << 85 UDefEnergyH = IPDFEnergyH = ZeroPhysVector ;
117 UDefEnergyH = IPDFEnergyH = ZeroPhysVector << 86 IPDFEnergyExist = false ;
118 IPDFEnergyExist = false; << 87 } else if ( EnergyDisType == "Arb"){
119 } << 88 ArbEnergyH =IPDFArbEnergyH = ZeroPhysVector ;
120 else if (EnergyDisType == "Arb") <<
121 { <<
122 ArbEnergyH = IPDFArbEnergyH = ZeroPhysVect <<
123 IPDFArbExist = false; 89 IPDFArbExist = false;
124 } << 90 } else if (EnergyDisType == "Epn"){
125 else if (EnergyDisType == "Epn") << 91 UDefEnergyH = IPDFEnergyH = ZeroPhysVector ;
126 { << 92 IPDFEnergyExist = false ;
127 UDefEnergyH = IPDFEnergyH = ZeroPhysVector << 93 EpnEnergyH = ZeroPhysVector ;
128 IPDFEnergyExist = false; <<
129 EpnEnergyH = ZeroPhysVector; <<
130 } 94 }
131 } 95 }
132 96
133 const G4String& G4SPSEneDistribution::GetEnerg <<
134 { <<
135 G4AutoLock l(&mutex); <<
136 return EnergyDisType; <<
137 } <<
138 <<
139 void G4SPSEneDistribution::SetEmin(G4double em 97 void G4SPSEneDistribution::SetEmin(G4double emi)
140 { 98 {
141 G4AutoLock l(&mutex); <<
142 Emin = emi; 99 Emin = emi;
143 threadLocalData.Get().Emin = Emin; <<
144 } <<
145 <<
146 G4double G4SPSEneDistribution::GetEmin() const <<
147 { <<
148 return threadLocalData.Get().Emin; <<
149 } <<
150 <<
151 G4double G4SPSEneDistribution::GetArbEmin() <<
152 { <<
153 G4AutoLock l(&mutex); <<
154 return ArbEmin; <<
155 } <<
156 <<
157 G4double G4SPSEneDistribution::GetArbEmax() <<
158 { <<
159 G4AutoLock l(&mutex); <<
160 return ArbEmax; <<
161 } 100 }
162 101
163 void G4SPSEneDistribution::SetEmax(G4double em 102 void G4SPSEneDistribution::SetEmax(G4double ema)
164 { 103 {
165 G4AutoLock l(&mutex); <<
166 Emax = ema; 104 Emax = ema;
167 threadLocalData.Get().Emax = Emax; <<
168 } <<
169 <<
170 G4double G4SPSEneDistribution::GetEmax() const <<
171 { <<
172 return threadLocalData.Get().Emax; <<
173 } 105 }
174 106
175 void G4SPSEneDistribution::SetMonoEnergy(G4dou 107 void G4SPSEneDistribution::SetMonoEnergy(G4double menergy)
176 { 108 {
177 G4AutoLock l(&mutex); <<
178 MonoEnergy = menergy; 109 MonoEnergy = menergy;
179 } 110 }
180 111
181 void G4SPSEneDistribution::SetBeamSigmaInE(G4d 112 void G4SPSEneDistribution::SetBeamSigmaInE(G4double e)
182 { 113 {
183 G4AutoLock l(&mutex); <<
184 SE = e; 114 SE = e;
185 } 115 }
186 void G4SPSEneDistribution::SetAlpha(G4double a 116 void G4SPSEneDistribution::SetAlpha(G4double alp)
187 { 117 {
188 G4AutoLock l(&mutex); <<
189 alpha = alp; 118 alpha = alp;
190 threadLocalData.Get().alpha = alpha; <<
191 } <<
192 <<
193 void G4SPSEneDistribution::SetBiasAlpha(G4doub <<
194 { <<
195 G4AutoLock l(&mutex); <<
196 biasalpha = alp; <<
197 Biased = true; <<
198 } 119 }
199 120
200 void G4SPSEneDistribution::SetTemp(G4double te 121 void G4SPSEneDistribution::SetTemp(G4double tem)
201 { 122 {
202 G4AutoLock l(&mutex); <<
203 Temp = tem; 123 Temp = tem;
204 } 124 }
205 125
206 void G4SPSEneDistribution::SetEzero(G4double e 126 void G4SPSEneDistribution::SetEzero(G4double eze)
207 { 127 {
208 G4AutoLock l(&mutex); <<
209 Ezero = eze; 128 Ezero = eze;
210 threadLocalData.Get().Ezero = Ezero; <<
211 } 129 }
212 130
213 void G4SPSEneDistribution::SetGradient(G4doubl 131 void G4SPSEneDistribution::SetGradient(G4double gr)
214 { 132 {
215 G4AutoLock l(&mutex); <<
216 grad = gr; 133 grad = gr;
217 threadLocalData.Get().grad = grad; <<
218 } 134 }
219 135
220 void G4SPSEneDistribution::SetInterCept(G4doub 136 void G4SPSEneDistribution::SetInterCept(G4double c)
221 { 137 {
222 G4AutoLock l(&mutex); <<
223 cept = c; 138 cept = c;
224 threadLocalData.Get().cept = cept; <<
225 } <<
226 <<
227 const G4String& G4SPSEneDistribution::GetIntTy <<
228 { <<
229 G4AutoLock l(&mutex); <<
230 return IntType; <<
231 } <<
232 <<
233 void G4SPSEneDistribution::SetBiasRndm(G4SPSRa <<
234 { <<
235 G4AutoLock l(&mutex); <<
236 eneRndm = a; <<
237 } <<
238 <<
239 void G4SPSEneDistribution::SetVerbosity(G4int <<
240 { <<
241 G4AutoLock l(&mutex); <<
242 verbosityLevel = a; <<
243 } <<
244 <<
245 G4double G4SPSEneDistribution::GetWeight() con <<
246 { <<
247 return threadLocalData.Get().weight; <<
248 } <<
249 <<
250 G4double G4SPSEneDistribution::GetMonoEnergy() <<
251 { <<
252 G4AutoLock l(&mutex); <<
253 return MonoEnergy; <<
254 } <<
255 <<
256 G4double G4SPSEneDistribution::GetSE() <<
257 { <<
258 G4AutoLock l(&mutex); <<
259 return SE; <<
260 } <<
261 <<
262 G4double G4SPSEneDistribution::Getalpha() cons <<
263 { <<
264 return threadLocalData.Get().alpha; <<
265 } <<
266 <<
267 G4double G4SPSEneDistribution::GetEzero() cons <<
268 { <<
269 return threadLocalData.Get().Ezero; <<
270 } <<
271 <<
272 G4double G4SPSEneDistribution::GetTemp() <<
273 { <<
274 G4AutoLock l(&mutex); <<
275 return Temp; <<
276 } <<
277 <<
278 G4double G4SPSEneDistribution::Getgrad() const <<
279 { <<
280 return threadLocalData.Get().grad; <<
281 } 139 }
282 140
283 G4double G4SPSEneDistribution::Getcept() const << 141 void G4SPSEneDistribution::UserEnergyHisto(G4ThreeVector input)
284 { 142 {
285 return threadLocalData.Get().cept; << 143 G4double ehi, val;
286 } << 144 ehi = input.x();
287 << 145 val = input.y();
288 G4PhysicsFreeVector G4SPSEneDistribution::GetU << 146 if(verbosityLevel > 1) {
289 { <<
290 G4AutoLock l(&mutex); <<
291 return UDefEnergyH; <<
292 } <<
293 <<
294 G4PhysicsFreeVector G4SPSEneDistribution::GetA <<
295 { <<
296 G4AutoLock l(&mutex); <<
297 return ArbEnergyH; <<
298 } <<
299 <<
300 void G4SPSEneDistribution::UserEnergyHisto(con <<
301 { <<
302 G4AutoLock l(&mutex); <<
303 G4double ehi = input.x(), <<
304 val = input.y(); <<
305 if (verbosityLevel > 1) <<
306 { <<
307 G4cout << "In UserEnergyHisto" << G4endl; 147 G4cout << "In UserEnergyHisto" << G4endl;
308 G4cout << " " << ehi << " " << val << G4en 148 G4cout << " " << ehi << " " << val << G4endl;
309 } 149 }
310 UDefEnergyH.InsertValues(ehi, val); 150 UDefEnergyH.InsertValues(ehi, val);
311 Emax = ehi; 151 Emax = ehi;
312 threadLocalData.Get().Emax = Emax; <<
313 } 152 }
314 153
315 void G4SPSEneDistribution::ArbEnergyHisto(cons << 154 void G4SPSEneDistribution::ArbEnergyHisto(G4ThreeVector input)
316 { 155 {
317 G4AutoLock l(&mutex); << 156 G4double ehi, val;
318 G4double ehi = input.x(), << 157 ehi = input.x();
319 val = input.y(); << 158 val = input.y();
320 if (verbosityLevel > 1) << 159 if(verbosityLevel >1 ) {
321 { <<
322 G4cout << "In ArbEnergyHisto" << G4endl; 160 G4cout << "In ArbEnergyHisto" << G4endl;
323 G4cout << " " << ehi << " " << val << G4en 161 G4cout << " " << ehi << " " << val << G4endl;
324 } 162 }
325 ArbEnergyH.InsertValues(ehi, val); 163 ArbEnergyH.InsertValues(ehi, val);
326 } 164 }
327 165
328 void G4SPSEneDistribution::ArbEnergyHistoFile( << 166 void G4SPSEneDistribution::EpnEnergyHisto(G4ThreeVector input)
329 { 167 {
330 G4AutoLock l(&mutex); <<
331 std::ifstream infile(filename, std::ios::in) <<
332 if (!infile) <<
333 { <<
334 G4Exception("G4SPSEneDistribution::ArbEner <<
335 FatalException, "Unable to ope <<
336 } <<
337 G4double ehi, val; 168 G4double ehi, val;
338 while (infile >> ehi >> val) << 169 ehi = input.x();
339 { << 170 val = input.y();
340 ArbEnergyH.InsertValues(ehi, val); << 171 if(verbosityLevel > 1) {
341 } <<
342 } <<
343 <<
344 void G4SPSEneDistribution::EpnEnergyHisto(cons <<
345 { <<
346 G4AutoLock l(&mutex); <<
347 G4double ehi = input.x(), <<
348 val = input.y(); <<
349 if (verbosityLevel > 1) <<
350 { <<
351 G4cout << "In EpnEnergyHisto" << G4endl; 172 G4cout << "In EpnEnergyHisto" << G4endl;
352 G4cout << " " << ehi << " " << val << G4en 173 G4cout << " " << ehi << " " << val << G4endl;
353 } 174 }
354 EpnEnergyH.InsertValues(ehi, val); 175 EpnEnergyH.InsertValues(ehi, val);
355 Emax = ehi; 176 Emax = ehi;
356 threadLocalData.Get().Emax = Emax; <<
357 Epnflag = true; 177 Epnflag = true;
358 } 178 }
359 179
360 void G4SPSEneDistribution::Calculate() 180 void G4SPSEneDistribution::Calculate()
361 { 181 {
362 G4AutoLock l(&mutex); << 182 if(EnergyDisType == "Cdg")
363 if (EnergyDisType == "Cdg") <<
364 { <<
365 CalculateCdgSpectrum(); 183 CalculateCdgSpectrum();
366 } << 184 else if(EnergyDisType == "Bbody")
367 else if (EnergyDisType == "Bbody") <<
368 { <<
369 if(!BBhistInit) <<
370 { <<
371 BBInitHists(); <<
372 } <<
373 CalculateBbodySpectrum(); 185 CalculateBbodySpectrum();
374 } <<
375 else if (EnergyDisType == "CPow") <<
376 { <<
377 if(!CPhistInit) <<
378 { <<
379 CPInitHists(); <<
380 } <<
381 CalculateCPowSpectrum(); <<
382 } <<
383 } 186 }
384 187
385 void G4SPSEneDistribution::BBInitHists() // M << 188 void G4SPSEneDistribution::CalculateCdgSpectrum()
386 { 189 {
387 BBHist = new std::vector<G4double>(10001, 0. << 190 // This uses the spectrum from The INTEGRAL Mass Model (TIMM)
388 Bbody_x = new std::vector<G4double>(10001, 0 <<
389 BBhistInit = true; <<
390 } <<
391 <<
392 void G4SPSEneDistribution::CPInitHists() // M <<
393 { <<
394 CPHist = new std::vector<G4double>(10001, 0. <<
395 CP_x = new std::vector<G4double>(10001, 0.0) <<
396 CPhistInit = true; <<
397 } <<
398 <<
399 void G4SPSEneDistribution::CalculateCdgSpectru <<
400 { <<
401 // This uses the spectrum from the INTEGRAL <<
402 // to generate a Cosmic Diffuse X/gamma ray 191 // to generate a Cosmic Diffuse X/gamma ray spectrum.
403 << 192 G4double pfact[2] = {8.5, 112};
404 G4double pfact[2] = { 8.5, 112 }; << 193 G4double spind[2] = {1.4, 2.3};
405 G4double spind[2] = { 1.4, 2.3 }; << 194 G4double ene_line[3] = {1.*keV, 18.*keV, 1E6*keV};
406 G4double ene_line[3] = { 1. * keV, 18. * keV <<
407 G4int n_par; 195 G4int n_par;
408 196
409 ene_line[0] = threadLocalData.Get().Emin; << 197 ene_line[0] = Emin;
410 if (threadLocalData.Get().Emin < 18 * keV) << 198 if(Emin < 18*keV)
411 { <<
412 n_par = 2; <<
413 ene_line[2] = threadLocalData.Get().Emax; <<
414 if (threadLocalData.Get().Emax < 18 * keV) <<
415 { 199 {
416 n_par = 1; << 200 n_par = 2;
417 ene_line[1] = threadLocalData.Get().Emax << 201 ene_line[2] = Emax;
>> 202 if(Emax < 18*keV)
>> 203 {
>> 204 n_par = 1;
>> 205 ene_line[1] = Emax;
>> 206 }
418 } 207 }
419 } <<
420 else 208 else
421 { << 209 {
422 n_par = 1; << 210 n_par = 1;
423 pfact[0] = 112.; << 211 pfact[0] = 112.;
424 spind[0] = 2.3; << 212 spind[0] = 2.3;
425 ene_line[1] = threadLocalData.Get().Emax; << 213 ene_line[1] = Emax;
426 } << 214 }
427 << 215
428 // Create a cumulative histogram << 216 // Create a cumulative histogram.
429 // <<
430 CDGhist[0] = 0.; 217 CDGhist[0] = 0.;
431 G4double omalpha; 218 G4double omalpha;
432 G4int i = 0; 219 G4int i = 0;
433 while (i < n_par) <<
434 { <<
435 omalpha = 1. - spind[i]; <<
436 CDGhist[i + 1] = CDGhist[i] + (pfact[i] / <<
437 * (std::pow(en <<
438 - std::pow(ene <<
439 ++i; <<
440 } <<
441 220
442 // Normalise histo and divide by 1000 to mak << 221 while(i < n_par)
443 // << 222 {
>> 223 omalpha = 1. - spind[i];
>> 224 CDGhist[i+1] = CDGhist[i] + (pfact[i]/omalpha)*
>> 225 (std::pow(ene_line[i+1],omalpha)-std::pow(ene_line[i],omalpha));
>> 226 i++;
>> 227 }
>> 228
>> 229 // Normalise histo and divide by 1000 to make MeV.
444 i = 0; 230 i = 0;
445 while (i < n_par) << 231 while(i < n_par)
446 { << 232 {
447 CDGhist[i + 1] = CDGhist[i + 1] / CDGhist[ << 233 CDGhist[i+1] = CDGhist[i+1]/CDGhist[n_par];
448 ++i; << 234 // G4cout << CDGhist[i] << CDGhist[n_par] << G4endl;
449 } << 235 i++;
>> 236 }
450 } 237 }
451 238
452 void G4SPSEneDistribution::CalculateBbodySpect << 239 void G4SPSEneDistribution::CalculateBbodySpectrum()
453 { 240 {
454 // Create bbody spectrum << 241 // create bbody spectrum
455 // Proved very hard to integrate indefinitel << 242 // Proved very hard to integrate indefinitely, so different
456 // User inputs emin, emax and T. These are u << 243 // method. User inputs emin, emax and T. These are used to
457 // bin histogram. << 244 // create a 10,000 bin histogram.
458 // Use photon density spectrum = 2 nu**2/c** 245 // Use photon density spectrum = 2 nu**2/c**2 * (std::exp(h nu/kT)-1)
459 // = 2 E**2/h**2c**2 times the exponential 246 // = 2 E**2/h**2c**2 times the exponential
460 << 247 G4double erange = Emax - Emin;
461 G4double erange = threadLocalData.Get().Emax << 248 G4double steps = erange/10000.;
462 G4double steps = erange / 10000.; << 249 G4double Bbody_y[10000];
463 << 250 G4double k = 8.6181e-11; //Boltzmann const in MeV/K
464 const G4double k = 8.6181e-11; //Boltzmann c << 251 G4double h = 4.1362e-21; // Plancks const in MeV s
465 const G4double h = 4.1362e-21; // Plancks co << 252 G4double c = 3e8; // Speed of light
466 const G4double c = 3e8; // Speed of light << 253 G4double h2 = h*h;
467 const G4double h2 = h * h; << 254 G4double c2 = c*c;
468 const G4double c2 = c * c; <<
469 G4int count = 0; <<
470 G4double sum = 0.; <<
471 BBHist->at(0) = 0.; <<
472 <<
473 while (count < 10000) <<
474 { <<
475 Bbody_x->at(count) = threadLocalData.Get() <<
476 G4double Bbody_y = (2. * std::pow(Bbody_x- <<
477 / (h2*c2*(std::exp(Bbody_ <<
478 sum = sum + Bbody_y; <<
479 BBHist->at(count + 1) = BBHist->at(count) <<
480 ++count; <<
481 } <<
482 <<
483 Bbody_x->at(10000) = threadLocalData.Get().E <<
484 <<
485 // Normalise cumulative histo <<
486 // <<
487 count = 0; <<
488 while (count < 10001) <<
489 { <<
490 BBHist->at(count) = BBHist->at(count) / su <<
491 ++count; <<
492 } <<
493 } <<
494 <<
495 void G4SPSEneDistribution::CalculateCPowSpectr <<
496 { <<
497 // Create cutoff power-law spectrum, x^a exp <<
498 // The integral of this function is an incom <<
499 // is only available in the Boost library. <<
500 // <<
501 // User inputs are emin, emax and alpha and <<
502 // create a 10,000 bin histogram. <<
503 <<
504 G4double erange = threadLocalData.Get().Emax <<
505 G4double steps = erange / 10000.; <<
506 alpha = threadLocalData.Get().alpha ; <<
507 Ezero = threadLocalData.Get().Ezero ; <<
508 <<
509 G4int count = 0; 255 G4int count = 0;
510 G4double sum = 0.; 256 G4double sum = 0.;
511 CPHist->at(0) = 0.; << 257 BBHist[0] = 0.;
512 << 258 while(count < 10000)
513 while (count < 10000) << 259 {
514 { << 260 Bbody_x[count] = Emin + G4double(count*steps);
515 CP_x->at(count) = threadLocalData.Get().Em << 261 Bbody_y[count] = (2.*std::pow(Bbody_x[count],2.))/
516 G4double CP_y = std::pow(CP_x->at(count), << 262 (h2*c2*(std::exp(Bbody_x[count]/(k*Temp)) - 1.));
517 * std::exp(-CP_x->at(count) << 263 sum = sum + Bbody_y[count];
518 sum = sum + CP_y; << 264 BBHist[count+1] = BBHist[count] + Bbody_y[count];
519 CPHist->at(count + 1) = CPHist->at(count) << 265 count++;
520 ++count; << 266 }
521 } <<
522 <<
523 CP_x->at(10000) = threadLocalData.Get().Emax <<
524 267
525 // Normalise cumulative histo << 268 Bbody_x[10000] = Emax;
526 // << 269 // Normalise cumulative histo.
527 count = 0; 270 count = 0;
528 while (count < 10001) << 271 while(count<10001)
529 { << 272 {
530 CPHist->at(count) = CPHist->at(count) / su << 273 BBHist[count] = BBHist[count]/sum;
531 ++count; << 274 count++;
532 } << 275 }
533 } 276 }
534 277
535 void G4SPSEneDistribution::InputEnergySpectra( 278 void G4SPSEneDistribution::InputEnergySpectra(G4bool value)
536 { 279 {
537 G4AutoLock l(&mutex); << 280 // Allows user to specifiy spectrum is momentum
538 <<
539 // Allows user to specify spectrum is moment <<
540 // <<
541 EnergySpec = value; // false if momentum 281 EnergySpec = value; // false if momentum
542 if (verbosityLevel > 1) << 282 if(verbosityLevel > 1)
543 { <<
544 G4cout << "EnergySpec has value " << Energ 283 G4cout << "EnergySpec has value " << EnergySpec << G4endl;
545 } <<
546 } 284 }
547 285
548 void G4SPSEneDistribution::InputDifferentialSp 286 void G4SPSEneDistribution::InputDifferentialSpectra(G4bool value)
549 { 287 {
550 G4AutoLock l(&mutex); <<
551 <<
552 // Allows user to specify integral or differ 288 // Allows user to specify integral or differential spectra
553 // <<
554 DiffSpec = value; // true = differential, fa 289 DiffSpec = value; // true = differential, false = integral
555 if (verbosityLevel > 1) << 290 if(verbosityLevel > 1)
556 { <<
557 G4cout << "Diffspec has value " << DiffSpe 291 G4cout << "Diffspec has value " << DiffSpec << G4endl;
558 } <<
559 } 292 }
560 293
561 void G4SPSEneDistribution::ArbInterpolate(cons << 294 void G4SPSEneDistribution::ArbInterpolate(G4String IType)
562 { 295 {
563 G4AutoLock l(&mutex); << 296 if(EnergyDisType != "Arb")
564 << 297 G4cout << "Error: this is for arbitrary distributions" << G4endl;
565 IntType = IType; 298 IntType = IType;
566 ArbEmax = ArbEnergyH.GetMaxEnergy(); << 299 ArbEmax = Emax;
567 ArbEmin = ArbEnergyH.Energy(0); << 300 ArbEmin = Emin;
568 301
569 // Now interpolate points 302 // Now interpolate points
570 << 303 if(IntType == "Lin")
571 if (IntType == "Lin") LinearInterpolation(); << 304 LinearInterpolation();
572 if (IntType == "Log") LogInterpolation(); << 305 if(IntType == "Log")
573 if (IntType == "Exp") ExpInterpolation(); << 306 LogInterpolation();
574 if (IntType == "Spline") SplineInterpolation << 307 if(IntType == "Exp")
>> 308 ExpInterpolation();
>> 309 if(IntType == "Spline")
>> 310 SplineInterpolation();
575 } 311 }
576 312
577 void G4SPSEneDistribution::LinearInterpolation << 313 void G4SPSEneDistribution::LinearInterpolation()
578 { 314 {
579 // Method to do linear interpolation on the 315 // Method to do linear interpolation on the Arb points
580 // Calculate equation of each line segment, 316 // Calculate equation of each line segment, max 1024.
581 // Calculate Area under each segment 317 // Calculate Area under each segment
582 // Create a cumulative array which is then n 318 // Create a cumulative array which is then normalised Arb_Cum_Area
583 319
584 G4double Area_seg[1024]; // Stores area unde 320 G4double Area_seg[1024]; // Stores area under each segment
585 G4double sum = 0., Arb_x[1024]={0.}, Arb_y[1 << 321 G4double sum = 0., Arb_x[1024], Arb_y[1024], Arb_Cum_Area[1024];
586 std::size_t i, count; << 322 G4int i, count;
587 std::size_t maxi = ArbEnergyH.GetVectorLengt << 323 G4int maxi = ArbEnergyH.GetVectorLength();
588 for (i = 0; i < maxi; ++i) << 324 for(i=0;i<maxi;i++) {
589 { << 325 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(size_t(i));
590 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(i); << 326 Arb_y[i] = ArbEnergyH(size_t(i));
591 Arb_y[i] = ArbEnergyH(i); <<
592 } 327 }
593 <<
594 // Points are now in x,y arrays. If the spec 328 // Points are now in x,y arrays. If the spectrum is integral it has to be
595 // made differential and if momentum it has << 329 // made differential and if momentum it has to be made energy.
596 << 330 if(DiffSpec == false) {
597 if (!DiffSpec) <<
598 { <<
599 // Converts integral point-wise spectra to 331 // Converts integral point-wise spectra to Differential
600 // << 332 for( count=0;count < maxi-1;count++) {
601 for (count = 0; count < maxi-1; ++count) << 333 Arb_y[count] = (Arb_y[count] - Arb_y[count+1])/(Arb_x[count+1]-Arb_x[count]);
602 { <<
603 Arb_y[count] = (Arb_y[count] - Arb_y[cou <<
604 / (Arb_x[count + 1] - Arb_x <<
605 } 334 }
606 --maxi; << 335 maxi--;
607 } 336 }
608 << 337 //
609 if (!EnergySpec) << 338 if(EnergySpec == false) {
610 { <<
611 // change currently stored values (emin et 339 // change currently stored values (emin etc) which are actually momenta
612 // to energies << 340 // to energies.
613 // << 341 if(particle_definition == NULL)
614 G4ParticleDefinition* pdef = threadLocalDa << 342 G4cout << "Error: particle not defined" << G4endl;
615 if (pdef == nullptr) << 343 else {
616 { <<
617 G4Exception("G4SPSEneDistribution::Linea <<
618 "Event0302", FatalException, <<
619 "Error: particle not defined <<
620 } <<
621 else <<
622 { <<
623 // Apply Energy**2 = p**2c**2 + m0**2c** 344 // Apply Energy**2 = p**2c**2 + m0**2c**4
624 // p should be entered as E/c i.e. witho 345 // p should be entered as E/c i.e. without the division by c
625 // being done - energy equivalent << 346 // being done - energy equivalent.
626 << 347 G4double mass = particle_definition->GetPDGMass();
627 G4double mass = pdef->GetPDGMass(); << 348 // convert point to energy unit and its value to per energy unit
628 <<
629 // Convert point to energy unit and its <<
630 // <<
631 G4double total_energy; 349 G4double total_energy;
632 for (count = 0; count < maxi; ++count) << 350 for(count=0;count<maxi;count++) {
633 { << 351 total_energy = std::sqrt((Arb_x[count]*Arb_x[count])
634 total_energy = std::sqrt((Arb_x[count] << 352 + (mass*mass)); // total energy
635 + (mass * mass)); // tota << 353
636 Arb_y[count] = Arb_y[count] * Arb_x[co << 354 Arb_y[count] = Arb_y[count] * Arb_x[count]/total_energy;
637 Arb_x[count] = total_energy - mass; // << 355 Arb_x[count] = total_energy - mass ; // kinetic energy
638 } 356 }
639 } 357 }
640 } 358 }
641 << 359 //
642 i = 1; << 360 i=1;
643 <<
644 Arb_grad = new G4double [1024]; <<
645 Arb_cept = new G4double [1024]; <<
646 Arb_grad_cept_flag = true; <<
647 <<
648 Arb_grad[0] = 0.; 361 Arb_grad[0] = 0.;
649 Arb_cept[0] = 0.; 362 Arb_cept[0] = 0.;
650 Area_seg[0] = 0.; 363 Area_seg[0] = 0.;
651 Arb_Cum_Area[0] = 0.; 364 Arb_Cum_Area[0] = 0.;
652 while (i < maxi) << 365 while(i < maxi)
653 { <<
654 // calculate gradient and intercept for ea <<
655 // <<
656 Arb_grad[i] = (Arb_y[i] - Arb_y[i - 1]) / <<
657 if (verbosityLevel == 2) <<
658 { <<
659 G4cout << Arb_grad[i] << G4endl; <<
660 } <<
661 if (Arb_grad[i] > 0.) <<
662 { <<
663 if (verbosityLevel == 2) <<
664 { <<
665 G4cout << "Arb_grad is positive" << G <<
666 } <<
667 Arb_cept[i] = Arb_y[i] - (Arb_grad[i] * <<
668 } <<
669 else if (Arb_grad[i] < 0.) <<
670 { 366 {
671 if (verbosityLevel == 2) << 367 // calc gradient and intercept for each segment
672 { << 368 Arb_grad[i] = (Arb_y[i] - Arb_y[i-1]) / (Arb_x[i] - Arb_x[i-1]);
673 G4cout << "Arb_grad is negative" << G4 << 369 if(verbosityLevel == 2)
674 } << 370 G4cout << Arb_grad[i] << G4endl;
675 Arb_cept[i] = Arb_y[i] + (-Arb_grad[i] * << 371 if(Arb_grad[i] > 0.)
>> 372 {
>> 373 if(verbosityLevel == 2)
>> 374 G4cout << "Arb_grad is positive" << G4endl;
>> 375 Arb_cept[i] = Arb_y[i] - (Arb_grad[i] * Arb_x[i]);
>> 376 }
>> 377 else if(Arb_grad[i] < 0.)
>> 378 {
>> 379 if(verbosityLevel == 2)
>> 380 G4cout << "Arb_grad is negative" << G4endl;
>> 381 Arb_cept[i] = Arb_y[i] + (-Arb_grad[i] * Arb_x[i]);
>> 382 }
>> 383 else
>> 384 {
>> 385 if(verbosityLevel == 2)
>> 386 G4cout << "Arb_grad is 0." << G4endl;
>> 387 Arb_cept[i] = Arb_y[i];
>> 388 }
>> 389
>> 390 Area_seg[i] = ((Arb_grad[i]/2)*(Arb_x[i]*Arb_x[i] - Arb_x[i-1]*Arb_x[i-1]) + Arb_cept[i]*(Arb_x[i] - Arb_x[i-1]));
>> 391 Arb_Cum_Area[i] = Arb_Cum_Area[i-1] + Area_seg[i];
>> 392 sum = sum + Area_seg[i];
>> 393 if(verbosityLevel == 2)
>> 394 G4cout << Arb_x[i] << Arb_y[i] << Area_seg[i] << sum << Arb_grad[i] << G4endl;
>> 395 i++;
676 } 396 }
677 else << 397
>> 398 i=0;
>> 399 while(i < maxi)
678 { 400 {
679 if (verbosityLevel == 2) << 401 Arb_Cum_Area[i] = Arb_Cum_Area[i]/sum; // normalisation
680 { << 402 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_Cum_Area[i]);
681 G4cout << "Arb_grad is 0." << G4endl; << 403 i++;
682 } <<
683 Arb_cept[i] = Arb_y[i]; <<
684 } 404 }
685 405
686 Area_seg[i] = ((Arb_grad[i] / 2) << 406 if(verbosityLevel >= 1)
687 * (Arb_x[i] * Arb_x[i] - Arb_x <<
688 + Arb_cept[i] * (Arb_x[i] - Ar <<
689 Arb_Cum_Area[i] = Arb_Cum_Area[i - 1] + Ar <<
690 sum = sum + Area_seg[i]; <<
691 if (verbosityLevel == 2) <<
692 { 407 {
693 G4cout << Arb_x[i] << Arb_y[i] << Area_s << 408 G4cout << "Leaving LinearInterpolation" << G4endl;
694 << Arb_grad[i] << G4endl; << 409 ArbEnergyH.DumpValues();
>> 410 IPDFArbEnergyH.DumpValues();
695 } 411 }
696 ++i; <<
697 } <<
698 <<
699 i = 0; <<
700 while (i < maxi) <<
701 { <<
702 Arb_Cum_Area[i] = Arb_Cum_Area[i] / sum; / <<
703 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_ <<
704 ++i; <<
705 } <<
706 <<
707 // now scale the ArbEnergyH, needed by Proba <<
708 // <<
709 ArbEnergyH.ScaleVector(1., 1./sum); <<
710 <<
711 if (verbosityLevel >= 1) <<
712 { <<
713 G4cout << "Leaving LinearInterpolation" << <<
714 ArbEnergyH.DumpValues(); <<
715 IPDFArbEnergyH.DumpValues(); <<
716 } <<
717 } 412 }
718 413
719 void G4SPSEneDistribution::LogInterpolation() << 414 void G4SPSEneDistribution::LogInterpolation()
720 { 415 {
721 // Interpolation based on Logarithmic equati 416 // Interpolation based on Logarithmic equations
722 // Generate equations of line segments 417 // Generate equations of line segments
723 // y = Ax**alpha => log y = alpha*logx + log 418 // y = Ax**alpha => log y = alpha*logx + logA
724 // Find area under line segments 419 // Find area under line segments
725 // Create normalised, cumulative array Arb_C << 420 // create normalised, cumulative array Arb_Cum_Area
726 <<
727 G4double Area_seg[1024]; // Stores area unde 421 G4double Area_seg[1024]; // Stores area under each segment
728 G4double sum = 0., Arb_x[1024]={0.}, Arb_y[1 << 422 G4double sum = 0., Arb_x[1024], Arb_y[1024], Arb_Cum_Area[1024];
729 std::size_t i, count; << 423 G4int i, count;
730 std::size_t maxi = ArbEnergyH.GetVectorLengt << 424 G4int maxi = ArbEnergyH.GetVectorLength();
731 for (i = 0; i < maxi; ++i) << 425 for(i=0;i<maxi;i++) {
732 { << 426 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(size_t(i));
733 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(i); << 427 Arb_y[i] = ArbEnergyH(size_t(i));
734 Arb_y[i] = ArbEnergyH(i); <<
735 } 428 }
736 <<
737 // Points are now in x,y arrays. If the spec 429 // Points are now in x,y arrays. If the spectrum is integral it has to be
738 // made differential and if momentum it has << 430 // made differential and if momentum it has to be made energy.
739 << 431 if(DiffSpec == false) {
740 if (!DiffSpec) <<
741 { <<
742 // Converts integral point-wise spectra to 432 // Converts integral point-wise spectra to Differential
743 // << 433 for( count=0;count<maxi-1;count++) {
744 for (count = 0; count < maxi-1; ++count) << 434 Arb_y[count] = (Arb_y[count] - Arb_y[count+1])/(Arb_x[count+1]-Arb_x[count]);
745 { <<
746 Arb_y[count] = (Arb_y[count] - Arb_y[cou <<
747 / (Arb_x[count + 1] - Arb_x <<
748 } 435 }
749 --maxi; << 436 maxi--;
750 } 437 }
751 << 438 //
752 if (!EnergySpec) << 439 if(EnergySpec == false) {
753 { << 440 // change currently stored values (emin etc) which are actually momenta
754 // Change currently stored values (emin et << 441 // to energies.
755 // to energies << 442 if(particle_definition == NULL)
756 << 443 G4cout << "Error: particle not defined" << G4endl;
757 G4ParticleDefinition* pdef = threadLocalDa << 444 else {
758 if (pdef == nullptr) <<
759 { <<
760 G4Exception("G4SPSEneDistribution::LogIn <<
761 "Event0302", FatalException, <<
762 "Error: particle not defined <<
763 } <<
764 else <<
765 { <<
766 // Apply Energy**2 = p**2c**2 + m0**2c** 445 // Apply Energy**2 = p**2c**2 + m0**2c**4
767 // p should be entered as E/c i.e. witho 446 // p should be entered as E/c i.e. without the division by c
768 // being done - energy equivalent << 447 // being done - energy equivalent.
769 << 448 G4double mass = particle_definition->GetPDGMass();
770 G4double mass = pdef->GetPDGMass(); << 449 // convert point to energy unit and its value to per energy unit
771 <<
772 // Convert point to energy unit and its <<
773 // <<
774 G4double total_energy; 450 G4double total_energy;
775 for (count = 0; count < maxi; ++count) << 451 for(count=0;count<maxi;count++) {
776 { << 452 total_energy = std::sqrt((Arb_x[count]*Arb_x[count])
777 total_energy = std::sqrt((Arb_x[count] << 453 + (mass*mass)); // total energy
778 Arb_y[count] = Arb_y[count] * Arb_x[co << 454
779 Arb_x[count] = total_energy - mass; // << 455 Arb_y[count] = Arb_y[count] * Arb_x[count]/total_energy;
>> 456 Arb_x[count] = total_energy - mass ; // kinetic energy
780 } 457 }
781 } 458 }
782 } 459 }
783 << 460 //
784 i = 1; << 461 i=1;
785 <<
786 if ( Arb_ezero != nullptr ) { delete [] Arb_ <<
787 if ( Arb_Const != nullptr ) { delete [] Arb_ <<
788 Arb_alpha = new G4double [1024]; <<
789 Arb_Const = new G4double [1024]; <<
790 Arb_alpha_Const_flag = true; <<
791 <<
792 Arb_alpha[0] = 0.; 462 Arb_alpha[0] = 0.;
793 Arb_Const[0] = 0.; 463 Arb_Const[0] = 0.;
794 Area_seg[0] = 0.; 464 Area_seg[0] = 0.;
795 Arb_Cum_Area[0] = 0.; << 465 if(Arb_x[0] <= 0. || Arb_y[0] <= 0.)
796 if (Arb_x[0] <= 0. || Arb_y[0] <= 0.) <<
797 { <<
798 G4cout << "You should not use log interpol <<
799 << G4endl; <<
800 G4cout << "These will be changed to 1e-20, <<
801 << G4endl; <<
802 if (Arb_x[0] <= 0.) <<
803 { <<
804 Arb_x[0] = 1e-20; <<
805 } <<
806 if (Arb_y[0] <= 0.) <<
807 { 466 {
808 Arb_y[0] = 1e-20; << 467 G4cout << "You should not use log interpolation with points <= 0." << G4endl;
>> 468 G4cout << "These will be changed to 1e-20, which may cause problems" << G4endl;
>> 469 if(Arb_x[0] <= 0.)
>> 470 Arb_x[0] = 1e-20;
>> 471 if(Arb_y[0] <= 0.)
>> 472 Arb_y[0] = 1e-20;
>> 473 }
>> 474
>> 475 G4double alp;
>> 476 while(i <maxi)
>> 477 {
>> 478 // Incase points are negative or zero
>> 479 if(Arb_x[i] <= 0. || Arb_y[i] <= 0.)
>> 480 {
>> 481 G4cout << "You should not use log interpolation with points <= 0." << G4endl;
>> 482 G4cout << "These will be changed to 1e-20, which may cause problems" << G4endl;
>> 483 if(Arb_x[i] <= 0.)
>> 484 Arb_x[i] = 1e-20;
>> 485 if(Arb_y[i] <= 0.)
>> 486 Arb_y[i] = 1e-20;
>> 487 }
>> 488
>> 489 Arb_alpha[i] = (std::log10(Arb_y[i])-std::log10(Arb_y[i-1]))/(std::log10(Arb_x[i])-std::log10(Arb_x[i-1]));
>> 490 Arb_Const[i] = Arb_y[i]/(std::pow(Arb_x[i],Arb_alpha[i]));
>> 491 alp = Arb_alpha[i] + 1;
>> 492 Area_seg[i] = (Arb_Const[i]/alp) * (std::pow(Arb_x[i],alp) - std::pow(Arb_x[i-1],alp));
>> 493 sum = sum + Area_seg[i];
>> 494 Arb_Cum_Area[i] = Arb_Cum_Area[i-1] + Area_seg[i];
>> 495 if(verbosityLevel == 2)
>> 496 G4cout << Arb_alpha[i] << Arb_Const[i] << Area_seg[i] << G4endl;
>> 497 i++;
809 } 498 }
810 } << 499
811 << 500 i=0;
812 G4double alp; << 501 while(i<maxi)
813 while (i < maxi) <<
814 { <<
815 // In case points are negative or zero <<
816 // <<
817 if (Arb_x[i] <= 0. || Arb_y[i] <= 0.) <<
818 { <<
819 G4cout << "You should not use log interp <<
820 << G4endl; <<
821 G4cout << "These will be changed to 1e-2 <<
822 << G4endl; <<
823 if (Arb_x[i] <= 0.) <<
824 { <<
825 Arb_x[i] = 1e-20; <<
826 } <<
827 if (Arb_y[i] <= 0.) <<
828 { <<
829 Arb_y[i] = 1e-20; <<
830 } <<
831 } <<
832 <<
833 Arb_alpha[i] = (std::log10(Arb_y[i]) - std <<
834 / (std::log10(Arb_x[i]) - std <<
835 Arb_Const[i] = Arb_y[i] / (std::pow(Arb_x[ <<
836 alp = Arb_alpha[i] + 1; <<
837 if (alp == 0.) <<
838 { <<
839 Area_seg[i] = Arb_Const[i] <<
840 * (std::log(Arb_x[i]) - std: <<
841 } <<
842 else <<
843 { <<
844 Area_seg[i] = (Arb_Const[i] / alp) <<
845 * (std::pow(Arb_x[i], alp) - <<
846 } <<
847 sum = sum + Area_seg[i]; <<
848 Arb_Cum_Area[i] = Arb_Cum_Area[i - 1] + Ar <<
849 if (verbosityLevel == 2) <<
850 { 502 {
851 G4cout << Arb_alpha[i] << Arb_Const[i] < << 503 Arb_Cum_Area[i] = Arb_Cum_Area[i]/sum;
>> 504 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_Cum_Area[i]);
>> 505 i++;
852 } 506 }
853 ++i; << 507 if(verbosityLevel >= 1)
854 } <<
855 <<
856 i = 0; <<
857 while (i < maxi) <<
858 { <<
859 Arb_Cum_Area[i] = Arb_Cum_Area[i] / sum; <<
860 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_ <<
861 ++i; <<
862 } <<
863 <<
864 // Now scale the ArbEnergyH, needed by Proba <<
865 // <<
866 ArbEnergyH.ScaleVector(1., 1./sum); <<
867 <<
868 if (verbosityLevel >= 1) <<
869 { <<
870 G4cout << "Leaving LogInterpolation " << G 508 G4cout << "Leaving LogInterpolation " << G4endl;
871 } <<
872 } 509 }
873 510
874 void G4SPSEneDistribution::ExpInterpolation() << 511 void G4SPSEneDistribution::ExpInterpolation()
875 { 512 {
876 // Interpolation based on Exponential equati 513 // Interpolation based on Exponential equations
877 // Generate equations of line segments 514 // Generate equations of line segments
878 // y = Ae**-(x/e0) => ln y = -x/e0 + lnA 515 // y = Ae**-(x/e0) => ln y = -x/e0 + lnA
879 // Find area under line segments 516 // Find area under line segments
880 // Create normalised, cumulative array Arb_C << 517 // create normalised, cumulative array Arb_Cum_Area
881 <<
882 G4double Area_seg[1024]; // Stores area unde 518 G4double Area_seg[1024]; // Stores area under each segment
883 G4double sum = 0., Arb_x[1024]={0.}, Arb_y[1 << 519 G4double sum = 0., Arb_x[1024], Arb_y[1024], Arb_Cum_Area[1024];
884 std::size_t i, count; << 520 G4int i, count;
885 std::size_t maxi = ArbEnergyH.GetVectorLengt << 521 G4int maxi = ArbEnergyH.GetVectorLength();
886 for (i = 0; i < maxi; ++i) << 522 for(i=0;i<maxi;i++) {
887 { << 523 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(size_t(i));
888 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(i); << 524 Arb_y[i] = ArbEnergyH(size_t(i));
889 Arb_y[i] = ArbEnergyH(i); <<
890 } 525 }
891 <<
892 // Points are now in x,y arrays. If the spec 526 // Points are now in x,y arrays. If the spectrum is integral it has to be
893 // made differential and if momentum it has << 527 // made differential and if momentum it has to be made energy.
894 << 528 if(DiffSpec == false) {
895 if (!DiffSpec) <<
896 { <<
897 // Converts integral point-wise spectra to 529 // Converts integral point-wise spectra to Differential
898 // << 530 for( count=0;count< maxi-1;count++) {
899 for (count = 0; count < maxi - 1; ++count) << 531 Arb_y[count] = (Arb_y[count] - Arb_y[count+1])/(Arb_x[count+1]-Arb_x[count]);
900 { <<
901 Arb_y[count] = (Arb_y[count] - Arb_y[cou <<
902 / (Arb_x[count + 1] - Arb_x <<
903 } 532 }
904 --maxi; << 533 maxi--;
905 } 534 }
906 << 535 //
907 if (!EnergySpec) << 536 if(EnergySpec == false) {
908 { << 537 // change currently stored values (emin etc) which are actually momenta
909 // Change currently stored values (emin et << 538 // to energies.
910 // to energies << 539 if(particle_definition == NULL)
911 // << 540 G4cout << "Error: particle not defined" << G4endl;
912 G4ParticleDefinition* pdef = threadLocalDa << 541 else {
913 if (pdef == nullptr) <<
914 { <<
915 G4Exception("G4SPSEneDistribution::ExpIn <<
916 "Event0302", FatalException, <<
917 "Error: particle not defined <<
918 } <<
919 else <<
920 { <<
921 // Apply Energy**2 = p**2c**2 + m0**2c** 542 // Apply Energy**2 = p**2c**2 + m0**2c**4
922 // p should be entered as E/c i.e. witho 543 // p should be entered as E/c i.e. without the division by c
923 // being done - energy equivalent << 544 // being done - energy equivalent.
924 << 545 G4double mass = particle_definition->GetPDGMass();
925 G4double mass = pdef->GetPDGMass(); << 546 // convert point to energy unit and its value to per energy unit
926 <<
927 // Convert point to energy unit and its <<
928 // <<
929 G4double total_energy; 547 G4double total_energy;
930 for (count = 0; count < maxi; ++count) << 548 for(count=0;count<maxi;count++) {
931 { << 549 total_energy = std::sqrt((Arb_x[count]*Arb_x[count])
932 total_energy = std::sqrt((Arb_x[count] << 550 + (mass*mass)); // total energy
933 Arb_y[count] = Arb_y[count] * Arb_x[co << 551
934 Arb_x[count] = total_energy - mass; // << 552 Arb_y[count] = Arb_y[count] * Arb_x[count]/total_energy;
>> 553 Arb_x[count] = total_energy - mass ; // kinetic energy
935 } 554 }
936 } 555 }
937 } 556 }
938 << 557 //
939 i = 1; << 558 i=1;
940 <<
941 if ( Arb_ezero != nullptr ) { delete[] Arb_e <<
942 if ( Arb_Const != nullptr ) { delete[] Arb_C <<
943 Arb_ezero = new G4double [1024]; <<
944 Arb_Const = new G4double [1024]; <<
945 Arb_ezero_flag = true; <<
946 <<
947 Arb_ezero[0] = 0.; 559 Arb_ezero[0] = 0.;
948 Arb_Const[0] = 0.; 560 Arb_Const[0] = 0.;
949 Area_seg[0] = 0.; 561 Area_seg[0] = 0.;
950 Arb_Cum_Area[0] = 0.; 562 Arb_Cum_Area[0] = 0.;
951 while (i < maxi) << 563 while(i < maxi)
952 { <<
953 G4double test = std::log(Arb_y[i]) - std:: <<
954 if (test > 0. || test < 0.) <<
955 { <<
956 Arb_ezero[i] = -(Arb_x[i] - Arb_x[i - 1] <<
957 / (std::log(Arb_y[i]) - std <<
958 Arb_Const[i] = Arb_y[i] / (std::exp(-Arb <<
959 Area_seg[i] = -(Arb_Const[i] * Arb_ezero <<
960 * (std::exp(-Arb_x[i] / Arb_ <<
961 - std::exp(-Arb_x[i - 1] / <<
962 } <<
963 else <<
964 { 564 {
965 G4Exception("G4SPSEneDistribution::ExpIn << 565 G4double test = std::log(Arb_y[i]) - std::log(Arb_y[i-1]);
966 "Event0302", JustWarning, << 566 if(test > 0. || test < 0.)
967 "Flat line segment: problem, << 567 {
968 G4cout << "Flat line segment: problem" < << 568 Arb_ezero[i] = -(Arb_x[i] - Arb_x[i-1])/(std::log(Arb_y[i]) - std::log(Arb_y[i-1]));
969 Arb_ezero[i] = 0.; << 569 Arb_Const[i] = Arb_y[i]/(std::exp(-Arb_x[i]/Arb_ezero[i]));
970 Arb_Const[i] = 0.; << 570 Area_seg[i]=-(Arb_Const[i]*Arb_ezero[i])*(std::exp(-Arb_x[i]/Arb_ezero[i])
971 Area_seg[i] = 0.; << 571 -std::exp(-Arb_x[i-1]/Arb_ezero[i]));
972 } << 572 }
973 sum = sum + Area_seg[i]; << 573 else
974 Arb_Cum_Area[i] = Arb_Cum_Area[i - 1] + Ar << 574 {
975 if (verbosityLevel == 2) << 575 G4cout << "Flat line segment: problem" << G4endl;
>> 576 Arb_ezero[i] = 0.;
>> 577 Arb_Const[i] = 0.;
>> 578 Area_seg[i] = 0.;
>> 579 }
>> 580 sum = sum + Area_seg[i];
>> 581 Arb_Cum_Area[i] = Arb_Cum_Area[i-1] + Area_seg[i];
>> 582 if(verbosityLevel == 2)
>> 583 G4cout << Arb_ezero[i] << Arb_Const[i] << Area_seg[i] << G4endl;
>> 584 i++;
>> 585 }
>> 586
>> 587 i=0;
>> 588 while(i<maxi)
976 { 589 {
977 G4cout << Arb_ezero[i] << Arb_Const[i] < << 590 Arb_Cum_Area[i] = Arb_Cum_Area[i]/sum;
>> 591 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_Cum_Area[i]);
>> 592 i++;
978 } 593 }
979 ++i; << 594 if(verbosityLevel >= 1)
980 } <<
981 <<
982 i = 0; <<
983 while (i < maxi) <<
984 { <<
985 Arb_Cum_Area[i] = Arb_Cum_Area[i] / sum; <<
986 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_ <<
987 ++i; <<
988 } <<
989 <<
990 // Now scale the ArbEnergyH, needed by Proba <<
991 // <<
992 ArbEnergyH.ScaleVector(1., 1./sum); <<
993 <<
994 if (verbosityLevel >= 1) <<
995 { <<
996 G4cout << "Leaving ExpInterpolation " << G 595 G4cout << "Leaving ExpInterpolation " << G4endl;
997 } <<
998 } 596 }
999 597
1000 void G4SPSEneDistribution::SplineInterpolatio << 598 void G4SPSEneDistribution::SplineInterpolation()
1001 { 599 {
1002 // Interpolation using Splines. 600 // Interpolation using Splines.
1003 // Create Normalised arrays, make x 0->1 an << 601 // Create Normalised arrays, make x 0->1 and y hold
1004 // << 602 // the function (Energy)
1005 // Current method based on the above will n << 603 G4double Arb_x[1024], Arb_y[1024];
1006 // New method is implemented below. << 604 G4int i, count;
1007 << 605 G4int maxi = ArbEnergyH.GetVectorLength();
1008 G4double sum, Arb_x[1024]={0.}, Arb_y[1024] << 606 for(i=0;i<maxi;i++) {
1009 std::size_t i, count; << 607 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(size_t(i));
1010 std::size_t maxi = ArbEnergyH.GetVectorLeng << 608 Arb_y[i] = ArbEnergyH(size_t(i));
1011 <<
1012 for (i = 0; i < maxi; ++i) <<
1013 { <<
1014 Arb_x[i] = ArbEnergyH.GetLowEdgeEnergy(i) <<
1015 Arb_y[i] = ArbEnergyH(i); <<
1016 } 609 }
1017 <<
1018 // Points are now in x,y arrays. If the spe 610 // Points are now in x,y arrays. If the spectrum is integral it has to be
1019 // made differential and if momentum it has << 611 // made differential and if momentum it has to be made energy.
1020 << 612 if(DiffSpec == false) {
1021 if (!DiffSpec) <<
1022 { <<
1023 // Converts integral point-wise spectra t 613 // Converts integral point-wise spectra to Differential
1024 // << 614 for( count=0;count< maxi-1;count++) {
1025 for (count = 0; count < maxi - 1; ++count << 615 Arb_y[count] = (Arb_y[count] - Arb_y[count+1])/(Arb_x[count+1]-Arb_x[count]);
1026 { <<
1027 Arb_y[count] = (Arb_y[count] - Arb_y[co <<
1028 / (Arb_x[count + 1] - Arb_ <<
1029 } 616 }
1030 --maxi; << 617 maxi--;
1031 } 618 }
1032 << 619 //
1033 if (!EnergySpec) << 620 if(EnergySpec == false) {
1034 { << 621 // change currently stored values (emin etc) which are actually momenta
1035 // Change currently stored values (emin e << 622 // to energies.
1036 // to energies << 623 if(particle_definition == NULL)
1037 // << 624 G4cout << "Error: particle not defined" << G4endl;
1038 G4ParticleDefinition* pdef = threadLocalD << 625 else {
1039 if (pdef == nullptr) <<
1040 { <<
1041 G4Exception("G4SPSEneDistribution::Spli <<
1042 "Event0302", FatalException <<
1043 "Error: particle not define <<
1044 } <<
1045 else <<
1046 { <<
1047 // Apply Energy**2 = p**2c**2 + m0**2c* 626 // Apply Energy**2 = p**2c**2 + m0**2c**4
1048 // p should be entered as E/c i.e. with 627 // p should be entered as E/c i.e. without the division by c
1049 // being done - energy equivalent << 628 // being done - energy equivalent.
1050 << 629 G4double mass = particle_definition->GetPDGMass();
1051 G4double mass = pdef->GetPDGMass(); << 630 // convert point to energy unit and its value to per energy unit
1052 <<
1053 // Convert point to energy unit and its <<
1054 // <<
1055 G4double total_energy; 631 G4double total_energy;
1056 for (count = 0; count < maxi; ++count) << 632 for(count=0;count<maxi;count++) {
1057 { << 633 total_energy = std::sqrt((Arb_x[count]*Arb_x[count])
1058 total_energy = std::sqrt((Arb_x[count << 634 + (mass*mass)); // total energy
1059 Arb_y[count] = Arb_y[count] * Arb_x[c << 635
1060 Arb_x[count] = total_energy - mass; / << 636 Arb_y[count] = Arb_y[count] * Arb_x[count]/total_energy;
>> 637 Arb_x[count] = total_energy - mass ; // kinetic energy
1061 } 638 }
1062 } 639 }
1063 } 640 }
1064 << 641 //
1065 i = 1; << 642 for(i=1;i<maxi;i++)
1066 Arb_Cum_Area[0] = 0.; << 643 Arb_y[i] += Arb_y[i-1];
1067 sum = 0.; << 644
1068 Splinetemp = new G4DataInterpolation(Arb_x, << 645 for(i=0;i<maxi;i++)
1069 G4double ei[101], prob[101]; << 646 Arb_y[i] /= Arb_y[maxi-1];
1070 for (auto & it : SplineInt) << 647 // now Arb_y is accumulated normalised probabilities
1071 { << 648 /* for(i=0; i<maxi;i++) {
1072 delete it; << 649 if(verbosityLevel >1)
1073 it = nullptr; << 650 G4cout << i <<" "<< Arb_x[i] << " " << Arb_y[i] << G4endl;
1074 } << 651 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb_y[i]);
1075 SplineInt.clear(); << 652 }
1076 SplineInt.resize(1024,nullptr); << 653 Emax = IPDFArbEnergyH.GetLowEdgeEnergy(IPDFArbEnergyH.GetVectorLength()-1);
1077 while (i < maxi) << 654 Emin = IPDFArbEnergyH.GetLowEdgeEnergy(0);
1078 { << 655 */
1079 // 100 step per segment for the integrati << 656 // Should now have normalised cumulative probabilities in Arb_y
1080 << 657 // and energy values in Arb_x.
1081 G4double de = (Arb_x[i] - Arb_x[i - 1])/1 << 658 // maxi = maxi + 1;
1082 G4double area = 0.; << 659 // Put y into x and x into y. The spline interpolation will then
1083 << 660 // go through x-axis to find where to interpolate (cum probability)
1084 for (count = 0; count < 101; ++count) << 661 // then generate a y (which will now be energy).
1085 { << 662 SplineInt = new G4DataInterpolation(Arb_y,Arb_x,maxi,1e30,1e30);
1086 ei[count] = Arb_x[i - 1] + de*count ; << 663 if(verbosityLevel >1 )
1087 prob[count] = Splinetemp->CubicSplineI <<
1088 if (prob[count] < 0.) <<
1089 { <<
1090 G4ExceptionDescription ED; <<
1091 ED << "Warning: G4DataInterpolation r <<
1092 << " " << ei[count] << G4endl; <<
1093 G4Exception("G4SPSEneDistribution::Sp <<
1094 FatalException, ED); <<
1095 } <<
1096 area += prob[count]*de; <<
1097 } <<
1098 Arb_Cum_Area[i] = Arb_Cum_Area[i - 1] + a <<
1099 sum += area; <<
1100 <<
1101 prob[0] = prob[0]/(area/de); <<
1102 for (count = 1; count < 100; ++count) <<
1103 { 664 {
1104 prob[count] = prob[count-1] + prob[coun << 665 G4cout << SplineInt << G4endl;
>> 666 G4cout << SplineInt->LocateArgument(1.0) << G4endl;
1105 } 667 }
1106 << 668 if(verbosityLevel > 0 )
1107 SplineInt[i] = new G4DataInterpolation(pr <<
1108 <<
1109 // NOTE: i starts from 1! <<
1110 // <<
1111 ++i; <<
1112 } <<
1113 <<
1114 i = 0; <<
1115 while (i < maxi) <<
1116 { <<
1117 Arb_Cum_Area[i] = Arb_Cum_Area[i] / sum; <<
1118 IPDFArbEnergyH.InsertValues(Arb_x[i], Arb <<
1119 ++i; <<
1120 } <<
1121 <<
1122 // Now scale the ArbEnergyH, needed by Prob <<
1123 // <<
1124 ArbEnergyH.ScaleVector(1., 1./sum); <<
1125 <<
1126 if (verbosityLevel > 0) <<
1127 { <<
1128 G4cout << "Leaving SplineInterpolation " 669 G4cout << "Leaving SplineInterpolation " << G4endl;
1129 } <<
1130 } 670 }
1131 671
1132 void G4SPSEneDistribution::GenerateMonoEnerge 672 void G4SPSEneDistribution::GenerateMonoEnergetic()
1133 { 673 {
1134 // Method to generate MonoEnergetic particl << 674 // Method to generate MonoEnergetic particles.
1135 << 675 particle_energy = MonoEnergy;
1136 threadLocalData.Get().particle_energy = Mon <<
1137 } 676 }
1138 677
1139 void G4SPSEneDistribution::GenerateGaussEnerg 678 void G4SPSEneDistribution::GenerateGaussEnergies()
1140 { 679 {
1141 // Method to generate Gaussian particles << 680 // Method to generate Gaussian particles.
1142 << 681 particle_energy = G4RandGauss::shoot(MonoEnergy,SE);
1143 G4double ene = G4RandGauss::shoot(MonoEnerg << 682 if (particle_energy < 0) particle_energy = 0.;
1144 if (ene < 0) ene = 0.; <<
1145 threadLocalData.Get().particle_energy = ene <<
1146 } 683 }
1147 684
1148 void G4SPSEneDistribution::GenerateLinearEner 685 void G4SPSEneDistribution::GenerateLinearEnergies(G4bool bArb = false)
1149 { 686 {
1150 G4double rndm; 687 G4double rndm;
1151 threadLocal_t& params = threadLocalData.Get << 688 G4double emaxsq = std::pow(Emax,2.); //Emax squared
1152 G4double emaxsq = std::pow(params.Emax, 2.) << 689 G4double eminsq = std::pow(Emin,2.); //Emin squared
1153 G4double eminsq = std::pow(params.Emin, 2.) << 690 G4double intersq = std::pow(cept,2.); //cept squared
1154 G4double intersq = std::pow(params.cept, 2. <<
1155 691
1156 if (bArb) rndm = G4UniformRand(); 692 if (bArb) rndm = G4UniformRand();
1157 else rndm = eneRndm->GenRandEnergy(); << 693 else rndm = eneRndm->GenRandEnergy();
1158 << 694
1159 G4double bracket = ((params.grad / 2.) << 695 G4double bracket = ((grad/2.)*(emaxsq - eminsq) + cept*(Emax-Emin));
1160 * (emaxsq - eminsq) <<
1161 + params.cept * (params.Em <<
1162 bracket = bracket * rndm; 696 bracket = bracket * rndm;
1163 bracket = bracket + (params.grad / 2.) * em << 697 bracket = bracket + (grad/2.)*eminsq + cept*Emin;
1164 <<
1165 // Now have a quad of form m/2 E**2 + cE - 698 // Now have a quad of form m/2 E**2 + cE - bracket = 0
1166 // <<
1167 bracket = -bracket; 699 bracket = -bracket;
1168 << 700 // G4cout << "BRACKET" << bracket << G4endl;
1169 if (params.grad != 0.) << 701 if(grad != 0.)
1170 { <<
1171 G4double sqbrack = (intersq - 4 * (params <<
1172 sqbrack = std::sqrt(sqbrack); <<
1173 G4double root1 = -params.cept + sqbrack; <<
1174 root1 = root1 / (2. * (params.grad / 2.)) <<
1175 <<
1176 G4double root2 = -params.cept - sqbrack; <<
1177 root2 = root2 / (2. * (params.grad / 2.)) <<
1178 <<
1179 if (root1 > params.Emin && root1 < params <<
1180 { 702 {
1181 params.particle_energy = root1; << 703 G4double sqbrack = (intersq - 4*(grad/2.)*(bracket));
>> 704 // G4cout << "SQBRACK" << sqbrack << G4endl;
>> 705 sqbrack = std::sqrt(sqbrack);
>> 706 G4double root1 = -cept + sqbrack;
>> 707 root1 = root1/(2.*(grad/2.));
>> 708
>> 709 G4double root2 = -cept - sqbrack;
>> 710 root2 = root2/(2.*(grad/2.));
>> 711
>> 712 // G4cout << root1 << " roots " << root2 << G4endl;
>> 713
>> 714 if(root1 > Emin && root1 < Emax)
>> 715 particle_energy = root1;
>> 716 if(root2 > Emin && root2 < Emax)
>> 717 particle_energy = root2;
1182 } 718 }
1183 if (root2 > params.Emin && root2 < params << 719 else if(grad == 0.)
1184 { <<
1185 params.particle_energy = root2; <<
1186 } <<
1187 } <<
1188 else if (params.grad == 0.) <<
1189 { <<
1190 // have equation of form cE - bracket =0 720 // have equation of form cE - bracket =0
1191 // << 721 particle_energy = bracket/cept;
1192 params.particle_energy = bracket / params <<
1193 } <<
1194 <<
1195 if (params.particle_energy < 0.) <<
1196 { <<
1197 params.particle_energy = -params.particle <<
1198 } <<
1199 722
1200 if (verbosityLevel >= 1) << 723 if(particle_energy < 0.)
1201 { << 724 particle_energy = -particle_energy;
1202 G4cout << "Energy is " << params.particle << 725
1203 } << 726 if(verbosityLevel >= 1)
>> 727 G4cout << "Energy is " << particle_energy << G4endl;
1204 } 728 }
1205 729
1206 void G4SPSEneDistribution::GeneratePowEnergie 730 void G4SPSEneDistribution::GeneratePowEnergies(G4bool bArb = false)
1207 { 731 {
1208 // Method to generate particle energies dis << 732 // Method to generate particle energies distributed as
>> 733 // a powerlaw
1209 734
1210 G4double rndm; 735 G4double rndm;
1211 G4double emina, emaxa; 736 G4double emina, emaxa;
1212 <<
1213 threadLocal_t& params = threadLocalData.Get <<
1214 <<
1215 emina = std::pow(params.Emin, params.alpha <<
1216 emaxa = std::pow(params.Emax, params.alpha <<
1217 737
1218 if (bArb) rndm = G4UniformRand(); << 738 emina = std::pow(Emin,alpha+1);
1219 else rndm = eneRndm->GenRandEnergy(); << 739 emaxa = std::pow(Emax,alpha+1);
1220 740
1221 if (params.alpha != -1.) << 741 if (bArb) rndm = G4UniformRand();
1222 { << 742 else rndm = eneRndm->GenRandEnergy();
1223 G4double ene = ((rndm * (emaxa - emina)) << 743
1224 ene = std::pow(ene, (1. / (params.alpha + << 744 if(alpha != -1.)
1225 params.particle_energy = ene; <<
1226 } <<
1227 else <<
1228 { <<
1229 G4double ene = (std::log(params.Emin) <<
1230 + rndm * (std::log(params.Em <<
1231 params.particle_energy = std::exp(ene); <<
1232 } <<
1233 if (verbosityLevel >= 1) <<
1234 { <<
1235 G4cout << "Energy is " << params.particle <<
1236 } <<
1237 } <<
1238 <<
1239 void G4SPSEneDistribution::GenerateCPowEnergi <<
1240 { <<
1241 // Method to generate particle energies dis <<
1242 // cutoff power-law distribution <<
1243 // <<
1244 // CP_x holds Energies, and CPHist holds th <<
1245 // binary search to find correct bin then l <<
1246 // Use the earlier defined histogram + Rand <<
1247 // random numbers following the histos dist <<
1248 <<
1249 G4double rndm = eneRndm->GenRandEnergy(); <<
1250 G4int nabove = 10001, nbelow = 0, middle; <<
1251 <<
1252 G4AutoLock l(&mutex); <<
1253 G4bool done = CPhistCalcd; <<
1254 l.unlock(); <<
1255 <<
1256 if(!done) <<
1257 { <<
1258 Calculate(); //This is has a lock inside, <<
1259 l.lock(); <<
1260 CPhistCalcd = true; <<
1261 l.unlock(); <<
1262 } <<
1263 <<
1264 // Binary search to find bin that rndm is i <<
1265 // <<
1266 while (nabove - nbelow > 1) <<
1267 { <<
1268 middle = (nabove + nbelow) / 2; <<
1269 if (rndm == CPHist->at(middle)) <<
1270 { <<
1271 break; <<
1272 } <<
1273 if (rndm < CPHist->at(middle)) <<
1274 { 745 {
1275 nabove = middle; << 746 particle_energy = ((rndm*(emaxa - emina)) + emina);
>> 747 particle_energy = std::pow(particle_energy,(1./(alpha+1.)));
1276 } 748 }
1277 else << 749 else if(alpha == -1.)
1278 { 750 {
1279 nbelow = middle; << 751 particle_energy = (std::log(Emin) + rndm*(std::log(Emax) - std::log(Emin)));
>> 752 particle_energy = std::exp(particle_energy);
1280 } 753 }
1281 } << 754 if(verbosityLevel >= 1)
1282 << 755 G4cout << "Energy is " << particle_energy << G4endl;
1283 // Now interpolate in that bin to find the <<
1284 // <<
1285 G4double x1, x2, y1, y2, t, q; <<
1286 x1 = CP_x->at(nbelow); <<
1287 if(nbelow+1 == static_cast<G4int>(CP_x->siz <<
1288 { <<
1289 x2 = CP_x->back(); <<
1290 } <<
1291 else <<
1292 { <<
1293 x2 = CP_x->at(nbelow + 1); <<
1294 } <<
1295 y1 = CPHist->at(nbelow); <<
1296 if(nbelow+1 == static_cast<G4int>(CPHist->s <<
1297 { <<
1298 G4cout << CPHist->back() << G4endl; <<
1299 y2 = CPHist->back(); <<
1300 } <<
1301 else <<
1302 { <<
1303 y2 = CPHist->at(nbelow + 1); <<
1304 } <<
1305 t = (y2 - y1) / (x2 - x1); <<
1306 q = y1 - t * x1; <<
1307 <<
1308 threadLocalData.Get().particle_energy = (rn <<
1309 <<
1310 if (verbosityLevel >= 1) <<
1311 { <<
1312 G4cout << "Energy is " << threadLocalData <<
1313 } <<
1314 } <<
1315 <<
1316 void G4SPSEneDistribution::GenerateBiasPowEne <<
1317 { <<
1318 // Method to generate particle energies dis <<
1319 // in biased power-law and calculate its we <<
1320 <<
1321 threadLocal_t& params = threadLocalData.Get <<
1322 <<
1323 G4double rndm; <<
1324 G4double emina, emaxa, emin, emax; <<
1325 <<
1326 G4double normal = 1.; <<
1327 <<
1328 emin = params.Emin; <<
1329 emax = params.Emax; <<
1330 <<
1331 rndm = eneRndm->GenRandEnergy(); <<
1332 <<
1333 if (biasalpha != -1.) <<
1334 { <<
1335 emina = std::pow(emin, biasalpha + 1); <<
1336 emaxa = std::pow(emax, biasalpha + 1); <<
1337 G4double ee = ((rndm * (emaxa - emina)) + <<
1338 params.particle_energy = std::pow(ee, (1. <<
1339 normal = 1./(1+biasalpha) * (emaxa - emin <<
1340 } <<
1341 else <<
1342 { <<
1343 G4double ee = (std::log(emin) + rndm * (s <<
1344 params.particle_energy = std::exp(ee); <<
1345 normal = std::log(emax) - std::log(emin); <<
1346 } <<
1347 params.weight = GetProbability(params.parti <<
1348 / (std::pow(params.particle_e <<
1349 <<
1350 if (verbosityLevel >= 1) <<
1351 { <<
1352 G4cout << "Energy is " << params.particle <<
1353 } <<
1354 } 756 }
1355 757
1356 void G4SPSEneDistribution::GenerateExpEnergie 758 void G4SPSEneDistribution::GenerateExpEnergies(G4bool bArb = false)
1357 { 759 {
1358 // Method to generate particle energies dis 760 // Method to generate particle energies distributed according
1359 // to an exponential curve << 761 // to an exponential curve.
1360 <<
1361 G4double rndm; 762 G4double rndm;
1362 << 763
1363 if (bArb) rndm = G4UniformRand(); 764 if (bArb) rndm = G4UniformRand();
1364 else rndm = eneRndm->GenRandEnergy(); << 765 else rndm = eneRndm->GenRandEnergy();
1365 766
1366 threadLocal_t& params = threadLocalData.Get << 767 particle_energy = -Ezero*(std::log(rndm*(std::exp(-Emax/Ezero) - std::exp(-Emin/Ezero)) +
1367 params.particle_energy = -params.Ezero << 768 std::exp(-Emin/Ezero)));
1368 * (std::log(rndm * ( << 769 if(verbosityLevel >= 1)
1369 << 770 G4cout << "Energy is " << particle_energy << G4endl;
1370 - <<
1371 <<
1372 + std::exp <<
1373 if (verbosityLevel >= 1) <<
1374 { <<
1375 G4cout << "Energy is " << params.particle <<
1376 } <<
1377 } 771 }
1378 772
1379 void G4SPSEneDistribution::GenerateBremEnergi 773 void G4SPSEneDistribution::GenerateBremEnergies()
1380 { 774 {
1381 // Method to generate particle energies dis << 775 // Method to generate particle energies distributed according
1382 // to a Bremstrahlung equation of the form << 776 // to a Bremstrahlung equation of
1383 // I = const*((kT)**1/2)*E*(e**(-E/kT)) << 777 // form I = const*((kT)**1/2)*E*(e**(-E/kT))
1384 << 778
1385 G4double rndm = eneRndm->GenRandEnergy(); << 779 G4double rndm;
>> 780 rndm = eneRndm->GenRandEnergy();
1386 G4double expmax, expmin, k; 781 G4double expmax, expmin, k;
1387 <<
1388 k = 8.6181e-11; // Boltzmann's const in MeV <<
1389 G4double ksq = std::pow(k, 2.); // k square <<
1390 G4double Tsq = std::pow(Temp, 2.); // Temp <<
1391 782
1392 threadLocal_t& params = threadLocalData.Get << 783 k = 8.6181e-11; // Boltzmann's const in MeV/K
>> 784 G4double ksq = std::pow(k,2.); // k squared
>> 785 G4double Tsq = std::pow(Temp,2.); // Temp squared
1393 786
1394 expmax = std::exp(-params.Emax / (k * Temp) << 787 expmax = std::exp(-Emax/(k*Temp));
1395 expmin = std::exp(-params.Emin / (k * Temp) << 788 expmin = std::exp(-Emin/(k*Temp));
1396 789
1397 // If either expmax or expmin are zero then 790 // If either expmax or expmin are zero then this will cause problems
1398 // Most probably this will be because T is 791 // Most probably this will be because T is too low or E is too high
1399 792
1400 if (expmax == 0.) << 793 if(expmax == 0.)
1401 { << 794 G4cout << "*****EXPMAX=0. Choose different E's or Temp" << G4endl;
1402 G4Exception("G4SPSEneDistribution::Genera << 795 if(expmin == 0.)
1403 "Event0302", FatalException, << 796 G4cout << "*****EXPMIN=0. Choose different E's or Temp" << G4endl;
1404 "*****EXPMAX=0. Choose differ <<
1405 } <<
1406 if (expmin == 0.) <<
1407 { <<
1408 G4Exception("G4SPSEneDistribution::Genera <<
1409 "Event0302", FatalException, <<
1410 "*****EXPMIN=0. Choose differ <<
1411 } <<
1412 797
1413 G4double tempvar = rndm * ((-k) * Temp * (p << 798 G4double tempvar = rndm *((-k)*Temp*(Emax*expmax - Emin*expmin) -
1414 - p << 799 (ksq*Tsq*(expmax-expmin)));
1415 - (ksq * Tsq * (exp <<
1416 800
1417 G4double bigc = (tempvar - k * Temp * param << 801 G4double bigc = (tempvar - k*Temp*Emin*expmin - ksq*Tsq*expmin)/(-k*Temp);
1418 - ksq * Tsq * expmin) / (-k <<
1419 802
1420 // This gives an equation of form: Ee(-E/kT 803 // This gives an equation of form: Ee(-E/kT) + kTe(-E/kT) - C =0
1421 // Solve this iteratively, step from Emin t 804 // Solve this iteratively, step from Emin to Emax in 1000 steps
1422 // and take the best solution. 805 // and take the best solution.
1423 806
1424 G4double erange = params.Emax - params.Emin << 807 G4double erange = Emax - Emin;
1425 G4double steps = erange / 1000.; << 808 G4double steps = erange/1000.;
1426 G4int i; 809 G4int i;
1427 G4double etest, diff, err = 100000.; << 810 G4double etest, diff, err;
1428 << 811
1429 for (i = 1; i < 1000; ++i) << 812 err = 100000.;
1430 { <<
1431 etest = params.Emin + (i - 1) * steps; <<
1432 diff = etest * (std::exp(-etest / (k * Te <<
1433 + k * Temp * (std::exp(-etest / (k * <<
1434 <<
1435 if (diff < 0.) <<
1436 { <<
1437 diff = -diff; <<
1438 } <<
1439 813
1440 if (diff < err) << 814 for(i=1; i<1000; i++)
1441 { 815 {
1442 err = diff; << 816 etest = Emin + (i-1)*steps;
1443 params.particle_energy = etest; << 817
1444 } << 818 diff = etest*(std::exp(-etest/(k*Temp))) + k*Temp*(std::exp(-etest/(k*Temp))) - bigc;
1445 } << 819
1446 if (verbosityLevel >= 1) << 820 if(diff < 0.)
1447 { << 821 diff = -diff;
1448 G4cout << "Energy is " << params.particle << 822
1449 } << 823 if(diff < err)
>> 824 {
>> 825 err = diff;
>> 826 particle_energy = etest;
>> 827 }
>> 828 }
>> 829 if(verbosityLevel >= 1)
>> 830 G4cout << "Energy is " << particle_energy << G4endl;
1450 } 831 }
1451 832
1452 void G4SPSEneDistribution::GenerateBbodyEnerg 833 void G4SPSEneDistribution::GenerateBbodyEnergies()
1453 { 834 {
1454 // BBody_x holds Energies, and BBHist holds 835 // BBody_x holds Energies, and BBHist holds the cumulative histo.
1455 // Binary search to find correct bin then l << 836 // binary search to find correct bin then lin interpolation.
1456 // Use the earlier defined histogram + Rand 837 // Use the earlier defined histogram + RandGeneral method to generate
1457 // random numbers following the histos dist << 838 // random numbers following the histos distribution.
1458 << 839 G4double rndm;
1459 G4double rndm = eneRndm->GenRandEnergy(); << 840 G4int nabove, nbelow = 0, middle;
1460 G4int nabove = 10001, nbelow = 0, middle; << 841 nabove = 10001;
1461 << 842 rndm = eneRndm->GenRandEnergy();
1462 G4AutoLock l(&mutex); <<
1463 G4bool done = BBhistCalcd; <<
1464 l.unlock(); <<
1465 <<
1466 if(!done) <<
1467 { <<
1468 Calculate(); //This is has a lock inside, <<
1469 l.lock(); <<
1470 BBhistCalcd = true; <<
1471 l.unlock(); <<
1472 } <<
1473 843
1474 // Binary search to find bin that rndm is i 844 // Binary search to find bin that rndm is in
1475 // << 845 while(nabove-nbelow > 1)
1476 while (nabove - nbelow > 1) <<
1477 { <<
1478 middle = (nabove + nbelow) / 2; <<
1479 if (rndm == BBHist->at(middle)) <<
1480 { <<
1481 break; <<
1482 } <<
1483 if (rndm < BBHist->at(middle)) <<
1484 { 846 {
1485 nabove = middle; << 847 middle = (nabove + nbelow)/2;
>> 848 if(rndm == BBHist[middle]) break;
>> 849 if(rndm < BBHist[middle]) nabove = middle;
>> 850 else nbelow = middle;
1486 } 851 }
1487 else << 852
>> 853 // Now interpolate in that bin to find the correct output value.
>> 854 G4double x1, x2, y1, y2, m, q;
>> 855 x1 = Bbody_x[nbelow];
>> 856 x2 = Bbody_x[nbelow+1];
>> 857 y1 = BBHist[nbelow];
>> 858 y2 = BBHist[nbelow+1];
>> 859 m = (y2-y1)/(x2-x1);
>> 860 q = y1 - m*x1;
>> 861
>> 862 particle_energy = (rndm - q)/m;
>> 863
>> 864 if(verbosityLevel >= 1)
1488 { 865 {
1489 nbelow = middle; << 866 G4cout << "Energy is " << particle_energy << G4endl;
1490 } 867 }
1491 } <<
1492 <<
1493 // Now interpolate in that bin to find the <<
1494 // <<
1495 G4double x1, x2, y1, y2, t, q; <<
1496 x1 = Bbody_x->at(nbelow); <<
1497 <<
1498 if(nbelow+1 == static_cast<G4int>(Bbody_x-> <<
1499 { <<
1500 x2 = Bbody_x->back(); <<
1501 } <<
1502 else <<
1503 { <<
1504 x2 = Bbody_x->at(nbelow + 1); <<
1505 } <<
1506 y1 = BBHist->at(nbelow); <<
1507 if(nbelow+1 == static_cast<G4int>(BBHist->s <<
1508 { <<
1509 G4cout << BBHist->back() << G4endl; <<
1510 y2 = BBHist->back(); <<
1511 } <<
1512 else <<
1513 { <<
1514 y2 = BBHist->at(nbelow + 1); <<
1515 } <<
1516 t = (y2 - y1) / (x2 - x1); <<
1517 q = y1 - t * x1; <<
1518 <<
1519 threadLocalData.Get().particle_energy = (rn <<
1520 <<
1521 if (verbosityLevel >= 1) <<
1522 { <<
1523 G4cout << "Energy is " << threadLocalData <<
1524 } <<
1525 } 868 }
1526 869
1527 void G4SPSEneDistribution::GenerateCdgEnergie 870 void G4SPSEneDistribution::GenerateCdgEnergies()
1528 { 871 {
1529 // Generate random numbers, compare with va << 872 // Gen random numbers, compare with values in cumhist
1530 // to find appropriate part of spectrum and << 873 // to find appropriate part of spectrum and then
1531 // generate energy in the usual inversion w << 874 // generate energy in the usual inversion way.
1532 << 875 // G4double pfact[2] = {8.5, 112};
>> 876 // G4double spind[2] = {1.4, 2.3};
>> 877 // G4double ene_line[3] = {1., 18., 1E6};
1533 G4double rndm, rndm2; 878 G4double rndm, rndm2;
1534 G4double ene_line[3]={0,0,0}; << 879 G4double ene_line[3];
1535 G4double omalpha[2]={0,0}; << 880 G4double omalpha[2];
1536 threadLocal_t& params = threadLocalData.Get << 881 if(Emin < 18*keV && Emax < 18*keV)
1537 if (params.Emin < 18 * keV && params.Emax < << 882 {
1538 { << 883 omalpha[0] = 1. - 1.4;
1539 omalpha[0] = 1. - 1.4; << 884 ene_line[0] = Emin;
1540 ene_line[0] = params.Emin; << 885 ene_line[1] = Emax;
1541 ene_line[1] = params.Emax; << 886 }
1542 } << 887 if(Emin < 18*keV && Emax > 18*keV)
1543 if (params.Emin < 18 * keV && params.Emax > << 888 {
1544 { << 889 omalpha[0] = 1. - 1.4;
1545 omalpha[0] = 1. - 1.4; << 890 omalpha[1] = 1. - 2.3;
1546 omalpha[1] = 1. - 2.3; << 891 ene_line[0] = Emin;
1547 ene_line[0] = params.Emin; << 892 ene_line[1] = 18.;
1548 ene_line[1] = 18. * keV; << 893 ene_line[2] = Emax;
1549 ene_line[2] = params.Emax; << 894 }
1550 } << 895 if(Emin > 18*keV)
1551 if (params.Emin > 18 * keV) << 896 {
1552 { << 897 omalpha[0] = 1. - 2.3;
1553 omalpha[0] = 1. - 2.3; << 898 ene_line[0] = Emin;
1554 ene_line[0] = params.Emin; << 899 ene_line[1] = Emax;
1555 ene_line[1] = params.Emax; << 900 }
1556 } <<
1557 rndm = eneRndm->GenRandEnergy(); 901 rndm = eneRndm->GenRandEnergy();
1558 rndm2 = eneRndm->GenRandEnergy(); 902 rndm2 = eneRndm->GenRandEnergy();
1559 903
1560 G4int i = 0; 904 G4int i = 0;
1561 while (rndm >= CDGhist[i]) << 905 while( rndm >= CDGhist[i])
1562 { << 906 {
1563 ++i; << 907 i++;
1564 } << 908 }
>> 909 // Generate final energy.
>> 910 particle_energy = (std::pow(ene_line[i-1],omalpha[i-1]) + (std::pow(ene_line[i],omalpha[i-1])
>> 911 - std::pow(ene_line[i-1],omalpha[i-1]))*rndm2);
>> 912 particle_energy = std::pow(particle_energy,(1./omalpha[i-1]));
1565 913
1566 // Generate final energy << 914 if(verbosityLevel >= 1)
1567 // << 915 G4cout << "Energy is " << particle_energy << G4endl;
1568 G4double ene = (std::pow(ene_line[i - 1], o <<
1569 + (std::pow(ene_line[i], omalp <<
1570 - std::pow(ene_line[i - 1], o <<
1571 params.particle_energy = std::pow(ene, (1. <<
1572 <<
1573 if (verbosityLevel >= 1) <<
1574 { <<
1575 G4cout << "Energy is " << params.particle <<
1576 } <<
1577 } 916 }
1578 917
1579 void G4SPSEneDistribution::GenUserHistEnergie 918 void G4SPSEneDistribution::GenUserHistEnergies()
1580 { 919 {
1581 // Histograms are DIFFERENTIAL << 920 // Histograms are DIFFERENTIAL.
1582 << 921 // G4cout << "In GenUserHistEnergies " << G4endl;
1583 G4AutoLock l(&mutex); << 922 if(IPDFEnergyExist == false)
1584 << 923 {
1585 if (!IPDFEnergyExist) << 924 G4int ii;
1586 { << 925 G4int maxbin = G4int(UDefEnergyH.GetVectorLength());
1587 std::size_t ii; << 926 G4double bins[1024], vals[1024], sum;
1588 std::size_t maxbin = UDefEnergyH.GetVecto << 927 sum=0.;
1589 G4double bins[1024], vals[1024], sum; << 928
1590 for ( ii = 0 ; ii<1024 ; ++ii ) { bins[ii << 929 if((EnergySpec == false) && (particle_definition == NULL))
1591 sum = 0.; << 930 G4cout << "Error: particle definition is NULL" << G4endl;
1592 << 931
1593 if ( (!EnergySpec) << 932 if(maxbin > 1024)
1594 && (threadLocalData.Get().particle_defi << 933 {
1595 { << 934 G4cout << "Maxbin > 1024" << G4endl;
1596 G4Exception("G4SPSEneDistribution::GenU << 935 G4cout << "Setting maxbin to 1024, other bins are lost" << G4endl;
1597 "Event0302", FatalException << 936 }
1598 "Error: particle definition <<
1599 } <<
1600 <<
1601 if (maxbin > 1024) <<
1602 { <<
1603 G4Exception("G4SPSEneDistribution::GenU <<
1604 "Event0302", JustWarning, <<
1605 "Maxbin>1024\n Setting maxbi <<
1606 maxbin = 1024; <<
1607 } <<
1608 <<
1609 if (!DiffSpec) <<
1610 { <<
1611 G4cout << "Histograms are Differential! <<
1612 } <<
1613 else <<
1614 { <<
1615 bins[0] = UDefEnergyH.GetLowEdgeEnergy( <<
1616 vals[0] = UDefEnergyH(0); <<
1617 sum = vals[0]; <<
1618 for (ii = 1; ii < maxbin; ++ii) <<
1619 { <<
1620 bins[ii] = UDefEnergyH.GetLowEdgeEner <<
1621 vals[ii] = UDefEnergyH(ii) + vals[ii <<
1622 sum = sum + UDefEnergyH(ii); <<
1623 } <<
1624 } <<
1625 <<
1626 if (!EnergySpec) <<
1627 { <<
1628 G4double mass = threadLocalData.Get().p <<
1629 <<
1630 // Multiply the function (vals) up by t <<
1631 // to make the function counts/s (i.e. <<
1632 <<
1633 for (ii = 1; ii < maxbin; ++ii) <<
1634 { <<
1635 vals[ii] = vals[ii] * (bins[ii] - bin <<
1636 } <<
1637 <<
1638 // Put energy bins into new histo, plus <<
1639 // to make evals counts/s/energy <<
1640 // <<
1641 for (ii = 0; ii < maxbin; ++ii) <<
1642 { <<
1643 // kinetic energy <<
1644 // <<
1645 bins[ii] = std::sqrt((bins[ii]*bins[i <<
1646 } <<
1647 for (ii = 1; ii < maxbin; ++ii) <<
1648 { <<
1649 vals[ii] = vals[ii] / (bins[ii] - bin <<
1650 } <<
1651 sum = vals[maxbin - 1]; <<
1652 vals[0] = 0.; <<
1653 } <<
1654 for (ii = 0; ii < maxbin; ++ii) <<
1655 { <<
1656 vals[ii] = vals[ii] / sum; <<
1657 IPDFEnergyH.InsertValues(bins[ii], vals <<
1658 } <<
1659 937
1660 IPDFEnergyExist = true; << 938 if(DiffSpec == false)
1661 if (verbosityLevel > 1) << 939 G4cout << "Histograms are Differential!!! " << G4endl;
1662 { << 940 else
1663 IPDFEnergyH.DumpValues(); << 941 {
>> 942 bins[0] = UDefEnergyH.GetLowEdgeEnergy(size_t(0));
>> 943 vals[0] = UDefEnergyH(size_t(0));
>> 944 sum = vals[0];
>> 945 for(ii=1;ii<maxbin;ii++)
>> 946 {
>> 947 bins[ii] = UDefEnergyH.GetLowEdgeEnergy(size_t(ii));
>> 948 vals[ii] = UDefEnergyH(size_t(ii)) + vals[ii-1];
>> 949 sum = sum + UDefEnergyH(size_t(ii));
>> 950 }
>> 951 }
>> 952
>> 953 if(EnergySpec == false)
>> 954 {
>> 955 G4double mass = particle_definition->GetPDGMass();
>> 956 // multiply the function (vals) up by the bin width
>> 957 // to make the function counts/s (i.e. get rid of momentum
>> 958 // dependence).
>> 959 for(ii=1;ii<maxbin;ii++)
>> 960 {
>> 961 vals[ii] = vals[ii] * (bins[ii] - bins[ii-1]);
>> 962 }
>> 963 // Put energy bins into new histo, plus divide by energy bin width
>> 964 // to make evals counts/s/energy
>> 965 for(ii=0;ii<maxbin;ii++)
>> 966 {
>> 967 bins[ii] = std::sqrt((bins[ii]*bins[ii]) + (mass*mass)) - mass; //kinetic energy
>> 968 }
>> 969 for(ii=1;ii<maxbin;ii++)
>> 970 {
>> 971 vals[ii] = vals[ii]/(bins[ii] - bins[ii-1]);
>> 972 }
>> 973 sum = vals[maxbin-1];
>> 974 vals[0] = 0.;
>> 975 }
>> 976 for(ii=0;ii<maxbin;ii++)
>> 977 {
>> 978 vals[ii] = vals[ii]/sum;
>> 979 IPDFEnergyH.InsertValues(bins[ii], vals[ii]);
>> 980 }
>> 981
>> 982 // Make IPDFEnergyExist = true
>> 983 IPDFEnergyExist = true;
>> 984 if(verbosityLevel > 1)
>> 985 IPDFEnergyH.DumpValues();
1664 } 986 }
1665 } << 987
1666 l.unlock(); <<
1667 <<
1668 // IPDF has been create so carry on 988 // IPDF has been create so carry on
1669 // <<
1670 G4double rndm = eneRndm->GenRandEnergy(); 989 G4double rndm = eneRndm->GenRandEnergy();
1671 threadLocalData.Get().particle_energy= IPDF << 990 particle_energy = IPDFEnergyH.GetEnergy(rndm);
1672 << 991
1673 if (verbosityLevel >= 1) << 992 if(verbosityLevel >= 1)
1674 { <<
1675 G4cout << "Energy is " << particle_energy 993 G4cout << "Energy is " << particle_energy << G4endl;
1676 } <<
1677 } <<
1678 <<
1679 G4double G4SPSEneDistribution::GetArbEneWeigh <<
1680 { <<
1681 auto nbelow = IPDFArbEnergyH.FindBin(ene,(I <<
1682 G4double wei = 0.; <<
1683 if(IntType=="Lin") <<
1684 { <<
1685 // note: grad[i] and cept[i] are calculat <<
1686 auto gr = Arb_grad[nbelow + 1]; <<
1687 auto ce = Arb_cept[nbelow + 1]; <<
1688 wei = ene*gr + ce; <<
1689 } <<
1690 else if(IntType=="Log") <<
1691 { <<
1692 auto alp = Arb_alpha[nbelow + 1]; <<
1693 auto cns = Arb_Const[nbelow + 1]; <<
1694 wei = cns * std::pow(ene,alp); <<
1695 } <<
1696 else if(IntType=="Exp") <<
1697 { <<
1698 auto e0 = Arb_ezero[nbelow + 1]; <<
1699 auto cns = Arb_Const[nbelow + 1]; <<
1700 wei = cns * std::exp(-ene/e0); <<
1701 } <<
1702 else if(IntType=="Spline") <<
1703 { <<
1704 wei = SplineInt[nbelow+1]->CubicSplineInt <<
1705 } <<
1706 return wei; <<
1707 } 994 }
1708 995
1709 void G4SPSEneDistribution::GenArbPointEnergie 996 void G4SPSEneDistribution::GenArbPointEnergies()
1710 { 997 {
1711 if (verbosityLevel > 0) << 998 if(verbosityLevel > 0)
1712 { <<
1713 G4cout << "In GenArbPointEnergies" << G4e 999 G4cout << "In GenArbPointEnergies" << G4endl;
1714 } << 1000 G4double rndm;
1715 << 1001 rndm = eneRndm->GenRandEnergy();
1716 G4double rndm = eneRndm->GenRandEnergy(); << 1002 if(IntType != "Spline")
1717 <<
1718 // Find the Bin, have x, y, no of points, a <<
1719 // <<
1720 std::size_t nabove = IPDFArbEnergyH.GetVect <<
1721 <<
1722 // Binary search to find bin that rndm is i <<
1723 // <<
1724 while (nabove - nbelow > 1) <<
1725 { <<
1726 middle = (nabove + nbelow) / 2; <<
1727 if (rndm == IPDFArbEnergyH(middle)) <<
1728 { <<
1729 break; <<
1730 } <<
1731 if (rndm < IPDFArbEnergyH(middle)) <<
1732 { <<
1733 nabove = middle; <<
1734 } <<
1735 else <<
1736 { <<
1737 nbelow = middle; <<
1738 } <<
1739 } <<
1740 threadLocal_t& params = threadLocalData.Get <<
1741 if (IntType == "Lin") <<
1742 { <<
1743 // Update thread-local copy of parameters <<
1744 // <<
1745 params.Emax = IPDFArbEnergyH.GetLowEdgeEn <<
1746 params.Emin = IPDFArbEnergyH.GetLowEdgeEn <<
1747 params.grad = Arb_grad[nbelow + 1]; <<
1748 params.cept = Arb_cept[nbelow + 1]; <<
1749 GenerateLinearEnergies(true); <<
1750 } <<
1751 else if (IntType == "Log") <<
1752 { <<
1753 params.Emax = IPDFArbEnergyH.GetLowEdgeEn <<
1754 params.Emin = IPDFArbEnergyH.GetLowEdgeEn <<
1755 params.alpha = Arb_alpha[nbelow + 1]; <<
1756 GeneratePowEnergies(true); <<
1757 } <<
1758 else if (IntType == "Exp") <<
1759 { <<
1760 params.Emax = IPDFArbEnergyH.GetLowEdgeEn <<
1761 params.Emin = IPDFArbEnergyH.GetLowEdgeEn <<
1762 params.Ezero = Arb_ezero[nbelow + 1]; <<
1763 GenerateExpEnergies(true); <<
1764 } <<
1765 else if (IntType == "Spline") <<
1766 { <<
1767 params.Emax = IPDFArbEnergyH.GetLowEdgeEn <<
1768 params.Emin = IPDFArbEnergyH.GetLowEdgeEn <<
1769 params.particle_energy = -1e100; <<
1770 rndm = eneRndm->GenRandEnergy(); <<
1771 while (params.particle_energy < params.Em <<
1772 || params.particle_energy > params.Em <<
1773 { <<
1774 params.particle_energy = <<
1775 SplineInt[nbelow+1]->CubicSplineInter <<
1776 rndm = eneRndm->GenRandEnergy(); <<
1777 } <<
1778 if (verbosityLevel >= 1) <<
1779 { 1003 {
1780 G4cout << "Energy is " << params.partic << 1004 // IPDFArbEnergyH.DumpValues();
>> 1005 // Find the Bin
>> 1006 // have x, y, no of points, and cumulative area distribution
>> 1007 G4int nabove, nbelow = 0, middle;
>> 1008 nabove = IPDFArbEnergyH.GetVectorLength();
>> 1009 // G4cout << nabove << G4endl;
>> 1010 // Binary search to find bin that rndm is in
>> 1011 while(nabove-nbelow > 1)
>> 1012 {
>> 1013 middle = (nabove + nbelow)/2;
>> 1014 if(rndm == IPDFArbEnergyH(size_t(middle))) break;
>> 1015 if(rndm < IPDFArbEnergyH(size_t(middle))) nabove = middle;
>> 1016 else nbelow = middle;
>> 1017 }
>> 1018 if(IntType == "Lin")
>> 1019 {
>> 1020 Emax = IPDFArbEnergyH.GetLowEdgeEnergy(size_t(nbelow+1));
>> 1021 Emin = IPDFArbEnergyH.GetLowEdgeEnergy(size_t(nbelow));
>> 1022 grad = Arb_grad[nbelow+1];
>> 1023 cept = Arb_cept[nbelow+1];
>> 1024 // G4cout << rndm << " " << Emax << " " << Emin << " " << grad << " " << cept << G4endl;
>> 1025 GenerateLinearEnergies(true);
>> 1026 }
>> 1027 else if(IntType == "Log")
>> 1028 {
>> 1029 Emax = IPDFArbEnergyH.GetLowEdgeEnergy(size_t(nbelow+1));
>> 1030 Emin = IPDFArbEnergyH.GetLowEdgeEnergy(size_t(nbelow));
>> 1031 alpha = Arb_alpha[nbelow+1];
>> 1032 // G4cout << rndm << " " << Emax << " " << Emin << " " << alpha << G4endl;
>> 1033 GeneratePowEnergies(true);
>> 1034 }
>> 1035 else if(IntType == "Exp")
>> 1036 {
>> 1037 Emax = IPDFArbEnergyH.GetLowEdgeEnergy(size_t(nbelow+1));
>> 1038 Emin = IPDFArbEnergyH.GetLowEdgeEnergy(size_t(nbelow));
>> 1039 Ezero = Arb_ezero[nbelow+1];
>> 1040 // G4cout << rndm << " " << Emax << " " << Emin << " " << Ezero << G4endl;
>> 1041 GenerateExpEnergies(true);
>> 1042 }
>> 1043 }
>> 1044 else if(IntType == "Spline")
>> 1045 {
>> 1046 if(verbosityLevel > 1)
>> 1047 G4cout << "IntType = Spline " << rndm << G4endl;
>> 1048 // in SplineInterpolation created SplineInt
>> 1049 // Now generate a random number put it into CubicSplineInterpolation
>> 1050 // and you should get out an energy!?!
>> 1051 particle_energy = -1e100;
>> 1052 while (particle_energy < Emin || particle_energy > Emax ) {
>> 1053 particle_energy = SplineInt->CubicSplineInterpolation(rndm);
>> 1054 rndm = eneRndm->GenRandEnergy();
>> 1055 }
>> 1056 if(verbosityLevel >= 1)
>> 1057 G4cout << "Energy is " << particle_energy << G4endl;
1781 } 1058 }
1782 } <<
1783 else 1059 else
1784 { << 1060 G4cout << "Error: IntType unknown type" << G4endl;
1785 G4Exception("G4SPSEneDistribution::GenArb <<
1786 FatalException, "Error: IntTy <<
1787 } <<
1788 } 1061 }
1789 1062
1790 void G4SPSEneDistribution::GenEpnHistEnergies 1063 void G4SPSEneDistribution::GenEpnHistEnergies()
1791 { 1064 {
1792 // Firstly convert to energy if not already << 1065 // G4cout << "In GenEpnHistEnergies " << Epnflag << G4endl;
1793 << 1066
1794 G4AutoLock l(&mutex); << 1067 // Firstly convert to energy if not already done.
1795 << 1068 if(Epnflag == true)
1796 if (Epnflag) // true means spectrum is epn << 1069 // epnflag = true means spectrum is epn, false means e.
1797 { << 1070 {
1798 // Convert to energy by multiplying by A << 1071 // convert to energy by multiplying by A number
1799 // << 1072 ConvertEPNToEnergy();
1800 ConvertEPNToEnergy(); << 1073 // EpnEnergyH will be replace by UDefEnergyH.
1801 } << 1074 // UDefEnergyH.DumpValues();
1802 if (!IPDFEnergyExist) << 1075 }
1803 { << 1076
1804 // IPDF has not been created, so create i << 1077 // G4cout << "Creating IPDFEnergy if not already done so" << G4endl;
1805 // << 1078 if(IPDFEnergyExist == false)
1806 G4double bins[1024], vals[1024], sum; << 1079 {
1807 std::size_t ii; << 1080 // IPDF has not been created, so create it
1808 std::size_t maxbin = UDefEnergyH.GetVecto << 1081 G4double bins[1024],vals[1024], sum;
1809 bins[0] = UDefEnergyH.GetLowEdgeEnergy(0) << 1082 G4int ii;
1810 vals[0] = UDefEnergyH(0); << 1083 G4int maxbin = G4int(UDefEnergyH.GetVectorLength());
1811 sum = vals[0]; << 1084 bins[0] = UDefEnergyH.GetLowEdgeEnergy(size_t(0));
1812 for (ii = 1; ii < maxbin; ++ii) << 1085 vals[0] = UDefEnergyH(size_t(0));
1813 { << 1086 sum = vals[0];
1814 bins[ii] = UDefEnergyH.GetLowEdgeEnergy << 1087 for(ii=1;ii<maxbin;ii++)
1815 vals[ii] = UDefEnergyH(ii) + vals[ii - << 1088 {
1816 sum = sum + UDefEnergyH(ii); << 1089 bins[ii] = UDefEnergyH.GetLowEdgeEnergy(size_t(ii));
1817 } << 1090 vals[ii] = UDefEnergyH(size_t(ii)) + vals[ii-1];
1818 << 1091 sum = sum + UDefEnergyH(size_t(ii));
1819 l.lock(); << 1092 }
1820 for (ii = 0; ii < maxbin; ++ii) << 1093
1821 { << 1094 for(ii=0;ii<maxbin;ii++)
1822 vals[ii] = vals[ii] / sum; << 1095 {
1823 IPDFEnergyH.InsertValues(bins[ii], vals << 1096 vals[ii] = vals[ii]/sum;
>> 1097 IPDFEnergyH.InsertValues(bins[ii], vals[ii]);
>> 1098 }
>> 1099 // Make IPDFEpnExist = true
>> 1100 IPDFEnergyExist = true;
1824 } 1101 }
1825 IPDFEnergyExist = true; << 1102 // IPDFEnergyH.DumpValues();
1826 <<
1827 } <<
1828 l.unlock(); <<
1829 <<
1830 // IPDF has been create so carry on 1103 // IPDF has been create so carry on
1831 // <<
1832 G4double rndm = eneRndm->GenRandEnergy(); 1104 G4double rndm = eneRndm->GenRandEnergy();
1833 threadLocalData.Get().particle_energy = IPD << 1105 particle_energy = IPDFEnergyH.GetEnergy(rndm);
1834 1106
1835 if (verbosityLevel >= 1) << 1107 if(verbosityLevel >= 1)
1836 { << 1108 G4cout << "Energy is " << particle_energy << G4endl;
1837 G4cout << "Energy is " << threadLocalData <<
1838 } <<
1839 } 1109 }
1840 1110
1841 void G4SPSEneDistribution::ConvertEPNToEnergy << 1111 void G4SPSEneDistribution::ConvertEPNToEnergy()
1842 { 1112 {
1843 // Use this before particle generation to c << 1113 // Use this before particle generation to convert the
1844 // currently stored histogram from energy/n << 1114 // currently stored histogram from energy/nucleon
1845 << 1115 // to energy.
1846 threadLocal_t& params = threadLocalData.Get << 1116 // G4cout << "In ConvertEpntoEnergy " << G4endl;
1847 if (params.particle_definition == nullptr) << 1117 if(particle_definition==NULL)
1848 { <<
1849 G4cout << "Error: particle not defined" < 1118 G4cout << "Error: particle not defined" << G4endl;
1850 } <<
1851 else 1119 else
1852 { <<
1853 // Need to multiply histogram by the numb <<
1854 // Baryon Number looks to hold the no. of <<
1855 // <<
1856 G4int Bary = params.particle_definition-> <<
1857 <<
1858 // Change values in histogram, Read it ou <<
1859 // <<
1860 std::size_t count, maxcount; <<
1861 maxcount = EpnEnergyH.GetVectorLength(); <<
1862 G4double ebins[1024], evals[1024]; <<
1863 if (maxcount > 1024) <<
1864 { <<
1865 G4Exception("G4SPSEneDistribution::Conv <<
1866 "gps001", JustWarning, <<
1867 "Histogram contains more th <<
1868 Those above 1024 will be i <<
1869 maxcount = 1024; <<
1870 } <<
1871 if (maxcount < 1) <<
1872 { 1120 {
1873 G4Exception("G4SPSEneDistribution::Conv << 1121 // Need to multiply histogram by the number of nucleons.
1874 "gps001", FatalException, << 1122 // Baryon Number looks to hold the no. of nucleons.
1875 "Histogram contains less tha << 1123 G4int Bary = particle_definition->GetBaryonNumber();
1876 return; << 1124 // G4cout << "Baryon No. " << Bary << G4endl;
1877 } << 1125 // Change values in histogram, Read it out, delete it, re-create it
1878 for (count = 0; count < maxcount; ++count << 1126 G4int count, maxcount;
1879 { << 1127 maxcount = G4int(EpnEnergyH.GetVectorLength());
1880 // Read out << 1128 // G4cout << maxcount << G4endl;
1881 ebins[count] = EpnEnergyH.GetLowEdgeEne << 1129 G4double ebins[1024],evals[1024];
1882 evals[count] = EpnEnergyH(count); << 1130 if(maxcount > 1024)
1883 } << 1131 {
1884 << 1132 G4cout << "Histogram contains more than 1024 bins!" << G4endl;
1885 // Multiply the channels by the nucleon n << 1133 G4cout << "Those above 1024 will be ignored" << G4endl;
1886 // << 1134 maxcount = 1024;
1887 for (count = 0; count < maxcount; ++count << 1135 }
1888 { << 1136 for(count=0;count<maxcount;count++)
1889 ebins[count] = ebins[count] * Bary; << 1137 {
1890 } << 1138 // Read out
1891 << 1139 ebins[count] = EpnEnergyH.GetLowEdgeEnergy(size_t(count));
1892 // Set Emin and Emax << 1140 evals[count] = EpnEnergyH(size_t(count));
1893 // << 1141 }
1894 params.Emin = ebins[0]; << 1142
1895 if (maxcount > 1) << 1143 // Multiply the channels by the nucleon number to give energies
1896 { << 1144 for(count=0;count<maxcount;count++)
1897 params.Emax = ebins[maxcount - 1]; << 1145 {
1898 } << 1146 ebins[count] = ebins[count] * Bary;
1899 else << 1147 }
1900 { << 1148
1901 params.Emax = ebins[0]; << 1149 // Set Emin and Emax
1902 } << 1150 Emin = ebins[0];
1903 << 1151 Emax = ebins[maxcount-1];
1904 // Put energy bins into new histogram - U << 1152
1905 // << 1153 // Put energy bins into new histogram - UDefEnergyH.
1906 for (count = 0; count < maxcount; ++count << 1154 for(count=0;count<maxcount;count++)
1907 { << 1155 {
1908 UDefEnergyH.InsertValues(ebins[count], << 1156 UDefEnergyH.InsertValues(ebins[count], evals[count]);
1909 } << 1157 }
1910 Epnflag = false; // so that you dont repe << 1158 Epnflag = false; //so that you dont repeat this method.
1911 } << 1159 }
1912 } 1160 }
1913 1161
1914 void G4SPSEneDistribution::ReSetHist(const G4 << 1162 //
>> 1163 void G4SPSEneDistribution::ReSetHist(G4String atype)
1915 { 1164 {
1916 G4AutoLock l(&mutex); << 1165 if (atype == "energy"){
1917 if (atype == "energy") << 1166 UDefEnergyH = IPDFEnergyH = ZeroPhysVector ;
1918 { << 1167 IPDFEnergyExist = false ;
1919 UDefEnergyH = IPDFEnergyH = ZeroPhysVecto <<
1920 IPDFEnergyExist = false; <<
1921 Emin = 0.; 1168 Emin = 0.;
1922 Emax = 1e30; << 1169 Emax = 1e30;}
1923 } << 1170 else if ( atype == "arb"){
1924 else if (atype == "arb") << 1171 ArbEnergyH =IPDFArbEnergyH = ZeroPhysVector ;
1925 { << 1172 IPDFArbExist = false;}
1926 ArbEnergyH = IPDFArbEnergyH = ZeroPhysVec << 1173 else if ( atype == "epn"){
1927 IPDFArbExist = false; << 1174 UDefEnergyH = IPDFEnergyH = ZeroPhysVector ;
1928 } << 1175 IPDFEnergyExist = false ;
1929 else if (atype == "epn") << 1176 EpnEnergyH = ZeroPhysVector ;}
1930 { << 1177 else {
1931 UDefEnergyH = IPDFEnergyH = ZeroPhysVecto <<
1932 IPDFEnergyExist = false; <<
1933 EpnEnergyH = ZeroPhysVector; <<
1934 } <<
1935 else <<
1936 { <<
1937 G4cout << "Error, histtype not accepted " 1178 G4cout << "Error, histtype not accepted " << G4endl;
1938 } 1179 }
1939 } 1180 }
1940 1181
1941 G4double G4SPSEneDistribution::GenerateOne(G4 1182 G4double G4SPSEneDistribution::GenerateOne(G4ParticleDefinition* a)
1942 { 1183 {
1943 // Copy global shared status to thread-loca << 1184 particle_definition = a;
1944 // << 1185 particle_energy = -1.;
1945 threadLocal_t& params = threadLocalData.Get << 1186 while ( (EnergyDisType == "Arb")? (particle_energy < ArbEmin || particle_energy > ArbEmax)
1946 params.particle_definition=a; << 1187 : (particle_energy < Emin || particle_energy > Emax) ) {
1947 params.particle_energy=-1; << 1188 if(EnergyDisType == "Mono")
1948 if(applyEvergyWeight) << 1189 GenerateMonoEnergetic();
1949 { << 1190 else if(EnergyDisType == "Lin")
1950 params.Emax = ArbEmax; << 1191 GenerateLinearEnergies();
1951 params.Emin = ArbEmin; << 1192 else if(EnergyDisType == "Pow")
1952 } << 1193 GeneratePowEnergies();
1953 else << 1194 else if(EnergyDisType == "Exp")
1954 { << 1195 GenerateExpEnergies();
1955 params.Emax = Emax; << 1196 else if(EnergyDisType == "Gauss")
1956 params.Emin = Emin; << 1197 GenerateGaussEnergies();
1957 } << 1198 else if(EnergyDisType == "Brem")
1958 params.alpha = alpha; << 1199 GenerateBremEnergies();
1959 params.Ezero = Ezero; << 1200 else if(EnergyDisType == "Bbody")
1960 params.grad = grad; << 1201 GenerateBbodyEnergies();
1961 params.cept = cept; << 1202 else if(EnergyDisType == "Cdg")
1962 params.weight = weight; << 1203 GenerateCdgEnergies();
1963 // particle_energy = -1.; << 1204 else if(EnergyDisType == "User")
1964 << 1205 GenUserHistEnergies();
1965 if((EnergyDisType == "Mono") && ((MonoEnerg << 1206 else if(EnergyDisType == "Arb")
1966 { << 1207 GenArbPointEnergies();
1967 G4ExceptionDescription ed; << 1208 else if(EnergyDisType == "Epn")
1968 ed << "MonoEnergy " << G4BestUnit(MonoEne << 1209 GenEpnHistEnergies();
1969 << " is outside of [Emin,Emax] = [" <<
1970 << G4BestUnit(Emin,"Energy") << ", " <<
1971 << G4BestUnit(Emax,"Energy") << ". Mon <<
1972 G4Exception("G4SPSEneDistribution::Genera <<
1973 "GPS0001", JustWarning, ed); <<
1974 params.particle_energy=MonoEnergy; <<
1975 return params.particle_energy; <<
1976 } <<
1977 while ( (EnergyDisType == "Arb") <<
1978 ? (params.particle_energy < ArbEmin <<
1979 || params.particle_energy > ArbEmax <<
1980 : (params.particle_energy < params. <<
1981 || params.particle_energy > params. <<
1982 { <<
1983 if (Biased) <<
1984 { <<
1985 GenerateBiasPowEnergies(); <<
1986 } <<
1987 else 1210 else
1988 { << 1211 G4cout << "Error: EnergyDisType has unusual value" << G4endl;
1989 if (EnergyDisType == "Mono") <<
1990 { <<
1991 GenerateMonoEnergetic(); <<
1992 } <<
1993 else if (EnergyDisType == "Lin") <<
1994 { <<
1995 GenerateLinearEnergies(false); <<
1996 } <<
1997 else if (EnergyDisType == "Pow") <<
1998 { <<
1999 GeneratePowEnergies(false); <<
2000 } <<
2001 else if (EnergyDisType == "CPow") <<
2002 { <<
2003 GenerateCPowEnergies(); <<
2004 } <<
2005 else if (EnergyDisType == "Exp") <<
2006 { <<
2007 GenerateExpEnergies(false); <<
2008 } <<
2009 else if (EnergyDisType == "Gauss") <<
2010 { <<
2011 GenerateGaussEnergies(); <<
2012 } <<
2013 else if (EnergyDisType == "Brem") <<
2014 { <<
2015 GenerateBremEnergies(); <<
2016 } <<
2017 else if (EnergyDisType == "Bbody") <<
2018 { <<
2019 GenerateBbodyEnergies(); <<
2020 } <<
2021 else if (EnergyDisType == "Cdg") <<
2022 { <<
2023 GenerateCdgEnergies(); <<
2024 } <<
2025 else if (EnergyDisType == "User") <<
2026 { <<
2027 GenUserHistEnergies(); <<
2028 } <<
2029 else if (EnergyDisType == "Arb") <<
2030 { <<
2031 GenArbPointEnergies(); <<
2032 } <<
2033 else if (EnergyDisType == "Epn") <<
2034 { <<
2035 GenEpnHistEnergies(); <<
2036 } <<
2037 else <<
2038 { <<
2039 G4cout << "Error: EnergyDisType has u <<
2040 } <<
2041 } <<
2042 } 1212 }
2043 return params.particle_energy; << 1213 return particle_energy;
2044 } 1214 }
2045 1215
2046 G4double G4SPSEneDistribution::GetProbability <<
2047 { <<
2048 G4double prob = 1.; <<
2049 1216
2050 threadLocal_t& params = threadLocalData.Get <<
2051 if (EnergyDisType == "Lin") <<
2052 { <<
2053 if (prob_norm == 1.) <<
2054 { <<
2055 prob_norm = 0.5*params.grad*params.Emax <<
2056 + params.cept*params.Emax <<
2057 - 0.5*params.grad*params.Emin <<
2058 - params.cept*params.Emin; <<
2059 } <<
2060 prob = params.cept + params.grad * ene; <<
2061 prob /= prob_norm; <<
2062 } <<
2063 else if (EnergyDisType == "Pow") <<
2064 { <<
2065 if (prob_norm == 1.) <<
2066 { <<
2067 if (alpha != -1.) <<
2068 { <<
2069 G4double emina = std::pow(params.Emin <<
2070 G4double emaxa = std::pow(params.Emax <<
2071 prob_norm = 1./(1.+alpha) * (emaxa - <<
2072 } <<
2073 else <<
2074 { <<
2075 prob_norm = std::log(params.Emax) - s <<
2076 } <<
2077 } <<
2078 prob = std::pow(ene, params.alpha)/prob_n <<
2079 } <<
2080 else if (EnergyDisType == "Exp") <<
2081 { <<
2082 if (prob_norm == 1.) <<
2083 { <<
2084 prob_norm = -params.Ezero*(std::exp(-pa <<
2085 - std::exp(par <<
2086 } <<
2087 prob = std::exp(-ene / params.Ezero); <<
2088 prob /= prob_norm; <<
2089 } <<
2090 else if (EnergyDisType == "Arb") <<
2091 { <<
2092 prob = ArbEnergyH.Value(ene); <<
2093 <<
2094 if (prob <= 0.) <<
2095 { <<
2096 G4cout << " Warning:G4SPSEneDistributio <<
2097 << prob << " " << ene << G4endl; <<
2098 prob = 1e-30; <<
2099 } <<
2100 } <<
2101 else <<
2102 { <<
2103 G4cout << "Error: EnergyDisType not suppo <<
2104 } <<
2105 1217
2106 return prob; << 1218
2107 } << 1219
>> 1220
>> 1221
>> 1222
>> 1223
2108 1224