Fixing error on gcc 4.5.1
[u/mrichter/AliRoot.git] / TTherminator / TTherminator.cxx
1 ///////////////////////////////////////////////////////////////////////////////
2 //                                                                           //
3 // TTherminator: global interface class to the Therminator model.            //
4 // Initialized global variables and runs the event generation                //
5 //                                                                           //
6 ///////////////////////////////////////////////////////////////////////////////
7 /******************************************************************************
8  *                      T H E R M I N A T O R                                 *
9  *                   THERMal heavy-IoN generATOR                              *
10  *                           version 1.0                                      *
11  *                                                                            *
12  * Authors of the model: Wojciech Broniowski, Wojciech.Broniowski@ifj.edu.pl, *
13  *                       Wojciech Florkowski, Wojciech.Florkowski@ifj.edu.pl  *
14  * Authors of the code:  Adam Kisiel, kisiel@if.pw.edu.pl                     *
15  *                       Tomasz Taluc, ttaluc@if.pw.edu.pl                    *
16  * Code designers: Adam Kisiel, Tomasz Taluc, Wojciech Broniowski,            *
17  *                 Wojciech Florkowski                                        *
18  *                                                                            *
19  * For the detailed description of the program and furhter references         * 
20  * to the description of the model plesase refer to: nucl-th/0504047,         *
21  * accessibile at: http://www.arxiv.org/nucl-th/0504047                       *
22  *                                                                            *
23  * Homepage: http://hirg.if.pw.edu.pl/en/therminator/                         *
24  *                                                                            *
25  * This code can be freely used and redistributed. However if you decide to   *
26  * make modifications to the code, please contact the authors, especially     *
27  * if you plan to publish the results obtained with such modified code.       *
28  * Any publication of results obtained using this code must include the       *
29  * reference to nucl-th/0504047 and the published version of it, when         *
30  * available.                                                                 *
31  *                                                                            *
32  *****************************************************************************/
33 #include <TTherminator.h>
34 #include <fstream>
35 #include <TDatabasePDG.h>
36 #include <TParticle.h>
37 #include <TClonesArray.h>
38 #include <TClass.h>
39
40 ReadPar *sRPInstance;
41 STR      sRPFileName;
42 int      sNumEvents;
43 int      sRunType; 
44 int      sTables;
45 int      sModel;
46 int      sIntegrateSample;
47
48 ClassImp(TTherminator)
49
50 TTherminator::TTherminator():
51   fCalka(0),
52   fEvent(0),
53   fPartDB(0)
54 {
55   // Default constructor
56   fPartDB = new ParticleDB();
57 }
58 TTherminator::TTherminator(const TTherminator & therm) :
59   TGenerator(therm),
60   fCalka(0),
61   fEvent(0),
62   fPartDB(0)
63 {
64   // Copy constructor
65   fPartDB = new ParticleDB();
66 }
67 TTherminator::~TTherminator()
68 {
69   // Destructor
70   if (sRPInstance) delete sRPInstance;
71   if (fEvent) delete fEvent;
72   if (fCalka) delete fCalka;
73   if (fPartDB) delete fPartDB;
74 }
75
76 void TTherminator::ReadParameters()
77 {
78   // Read in global model parameters
79   STR tModel;
80   STR tTable;
81   
82   try {
83     sNumEvents = atoi(sRPInstance->getPar("NumberOfEvents").Data());
84     tModel = sRPInstance->getPar("FreezeOutModel");
85     if (tModel.Contains("SingleFreezeOut"))
86       sModel = 0;
87 /*MCH begin*/
88     else if (tModel.Contains("Lhyquid3D"))
89       sModel = 10;
90     else if (tModel.Contains("Lhyquid2D"))
91       sModel = 11;
92 /*MCH end*/      
93     else if (tModel.Contains("BlastWaveVTDelay"))
94       sModel = 6;
95     else if (tModel.Contains("BlastWaveVT"))
96       sModel = 2;
97     else if (tModel.Contains("BlastWaveVLinearFormation"))
98       sModel = 7;
99     else if (tModel.Contains("BlastWaveVLinearDelay"))
100       sModel = 8;
101     else if (tModel.Contains("BlastWaveVLinear"))
102       sModel = 4;
103     else if (tModel.Contains("FiniteHydro"))
104       sModel = 5;
105     else {
106       PRINT_MESSAGE("Unknown model type: " << tModel.Data());
107       PRINT_MESSAGE("Please provide the proper name");
108       exit(0);
109     }
110     if (atoi(sRPInstance->getPar("Randomize").Data()) == 1)
111       sRunType = 4;
112     else
113       sRunType = 3;
114     tTable = sRPInstance->getPar("TableType");
115     if (tTable.Contains("Mathematica"))
116       sTables = 0;
117     else if (tTable.Contains("SHARE"))
118       sTables = 1;
119     else {
120       PRINT_MESSAGE("Unknown table type: " << tTable.Data());
121       exit(0);
122     }
123     sIntegrateSample = atoi(sRPInstance->getPar("NumberOfIntegrateSamples").Data());
124     fInputDir = sRPInstance->getPar("InputDirSHARE");
125   }
126   catch (STR tError) {
127     PRINT_DEBUG_1("RunBFPW::ReadParameters - Caught exception " << tError);
128     PRINT_MESSAGE("Did not find one of the neccessary parameters in the parameters file.");
129     exit(0);
130   }
131 }
132
133 void        TTherminator::Initialize(){
134   // Initialize global variables
135   // and particle and decay tables
136   Parser       *tParser;
137   
138   sRPFileName = "therminator.in";
139   sRPInstance = new ReadPar(sRPFileName.Data());
140
141   ReadParameters();
142   
143   tParser = new Parser(fPartDB);
144
145   tParser->ReadShare();
146     
147   fCalka = new Integrator(sIntegrateSample);
148   fCalka->ReadMultInteg(fPartDB);
149
150
151   // Read in particle table from share
152   // and add missing particle type to TDatabasePDG
153
154   char str[50];
155   char str1[200];
156     
157   //  ParticleType *tPartBuf;
158
159   TDatabasePDG *tInstance = TDatabasePDG::Instance();
160   TParticlePDG *tParticleType;
161
162   //  AliWarning(Form("Reading particle types from particles.data"));
163
164   ifstream in((fInputDir+"/"+"particles.data").Data());
165   //  ifstream in("particles.data");
166   
167   int charge;
168     
169   int number=0;
170   if ((in) && (in.is_open()))
171     {
172       //START OF HEAD-LINE
173       in.ignore(200,'\n');
174       in.ignore(200,'\n');
175       in.ignore(200,'\n');
176       //END OF HEAD-LINE
177       
178       while (in>>str)
179         {
180           if (/*(*str == '#')||*/(*str<65)||(*str>122))
181             {
182               in.getline(str1,200);
183               continue;
184             }
185           double mass, gamma, spin, tI3, tI, q, s, aq, as, c, ac, mc;
186           
187           in>>mass>>gamma>>spin>>tI>>tI3>>q>>s>>aq>>as>>c>>ac>>mc;
188           number++;
189           tParticleType = tInstance->GetParticle((int) mc);
190           if (!tParticleType) {
191             charge = 0;
192             if (strstr(str, "plu")) charge = 1;
193             if (strstr(str, "min")) charge = -1;
194             if (strstr(str, "plb")) charge = -1;
195             if (strstr(str, "mnb")) charge = 1;
196             if (strstr(str, "plp")) charge = 2;
197             if (strstr(str, "ppb")) charge = -2;
198             tInstance->AddParticle(str, str, mass, gamma == 0.0 ? 1:0, gamma, charge , "meson", (int) mc);
199             //      printf("Added particle %s with PDG PID %d charge %d", str, (int) mc, charge);
200             //AliWarning(Form("Added particle %s with PDG PID %d charge %d", str, (int) mc, charge));
201             //      AliWarning(Form("Quantum numbers q s c aq as ac tI3 %lf %lf %lf %lf %lf %lf %lf", q, s, c, aq, as, ac, tI3));
202
203           }
204         }
205       in.close();
206     }
207 }
208
209 void        TTherminator::GenerateEvent()
210 {
211   // Run single event generation
212   if ((sRunType == 3) || (sRunType == 4))
213     {
214       if (sRunType==4)
215         fCalka->Randomize();
216
217       if (!fEvent) fEvent = new Event(fPartDB, fCalka);
218       if (sRunType == 4) fEvent->Randomize();
219       
220       fEvent->GenerateEvent();
221       fEvent->DecayParticles();
222       //      fEvent->WriteEvent(0);
223     }  
224 }
225
226 Int_t       TTherminator::ImportParticles(TClonesArray *particles, Option_t */*option*/)
227 {
228   // Import particles from a generated event into an external array
229   const double kFmToGev = 0.197327;
230
231   if (particles == 0) return 0;
232   TClonesArray &particlesR = *particles;
233   particlesR.Clear();
234   Int_t nump = 0;
235   if (!fEvent) return 0;
236   Int_t numpart = fEvent->GetParticleCount();
237   printf("\n TTherminator: Therminator stack contains %d particles.\n", numpart);
238   for (Int_t iPart=0; iPart<numpart; iPart++) {
239     Particle *tPart = fEvent->GetParticleOfCount(iPart);
240     Int_t tFather;
241     tFather = tPart->GetFather();
242
243     if (tFather> -1) {
244       TParticle *mother = (TParticle*) (particlesR.UncheckedAt(tFather+1));        
245       mother->SetLastDaughter(iPart);
246       if (mother->GetFirstDaughter()==-1)
247         mother->SetFirstDaughter(iPart);
248     }
249     nump++;
250     //    printf("Putting %d %d %lf %d\n", tPart->GetParticleType()->GetPDGCode(), iPart, tPart->px, tPart);
251     new (particlesR[iPart]) TParticle(tPart->GetParticleType()->GetPDGCode(), tPart->HadDecayed(),
252                                       tFather, -1, -1, -1,
253                                       tPart->px, tPart->py, tPart->pz, tPart->GetEnergy() ,
254                                       tPart->rx*1.e-13*kFmToGev, tPart->ry*1.e-13*kFmToGev, tPart->rz*1.e-13*kFmToGev, tPart->rt*1.e-13*kFmToGev/3e10);
255     particlesR[iPart]->SetUniqueID(iPart);
256   }
257   
258   return nump;
259 }
260
261 TObjArray*  TTherminator::ImportParticles(Option_t */*option*/)
262 {
263   // Import generated particles into an internal array
264   const double kFmToGev = 0.197327;
265
266   Int_t nump = 0;
267   fParticles->Clear();
268   if (!fEvent) return 0;
269   Int_t numpart = fEvent->GetParticleCount();
270   printf("\n TTherminator: Therminator stack contains %d particles.", numpart);
271   fEvent->InitParticleScan();
272   for (Int_t iPart=0; iPart<numpart; iPart++) {
273     Particle *tPart = fEvent->GetNextParticle();
274     Int_t tFather;
275     tFather = tPart->GetFather();
276     
277     if (tFather> -1) {
278       TParticle *mother = (TParticle*) (fParticles->UncheckedAt(tFather));         
279       mother->SetLastDaughter(iPart);
280       if (mother->GetFirstDaughter()==-1)
281         mother->SetFirstDaughter(iPart);
282     }
283     TParticle* p = new TParticle(tPart->GetParticleType()->GetPDGCode(), tPart->HadDecayed(),
284                                  tFather, -1, -1, -1,
285                                  tPart->px, tPart->py, tPart->pz, tPart->GetEnergy() ,
286                                  tPart->rx*1.e-13*kFmToGev, tPart->ry*1.e-13*kFmToGev, tPart->rz*1.e-13*kFmToGev, tPart->rt*1.e-13*kFmToGev/3e10);
287     p->SetUniqueID(iPart);
288     fParticles->Add(p);
289   }
290   nump = fEvent->GetParticleCount();
291   
292   return fParticles;
293   
294 }