Fixing error on gcc 4.5.1
[u/mrichter/AliRoot.git] / TTherminator / Therminator / Parser.cxx
1 /******************************************************************************
2  *                      T H E R M I N A T O R                                 *
3  *                   THERMal heavy-IoN generATOR                              *
4  *                           version 1.0                                      *
5  *                                                                            *
6  * Authors of the model: Wojciech Broniowski, Wojciech.Broniowski@ifj.edu.pl, *
7  *                       Wojciech Florkowski, Wojciech.Florkowski@ifj.edu.pl  *
8  * Authors of the code:  Adam Kisiel, kisiel@if.pw.edu.pl                     *
9  *                       Tomasz Taluc, ttaluc@if.pw.edu.pl                    *
10  * Code designers: Adam Kisiel, Tomasz Taluc, Wojciech Broniowski,            *
11  *                 Wojciech Florkowski                                        *
12  *                                                                            *
13  * For the detailed description of the program and furhter references         * 
14  * to the description of the model plesase refer to: nucl-th/0504047,         *
15  * accessibile at: http://www.arxiv.org/nucl-th/0504047                       *
16  *                                                                            *
17  * Homepage: http://hirg.if.pw.edu.pl/en/therminator/                         *
18  *                                                                            *
19  * This code can be freely used and redistributed. However if you decide to   *
20  * make modifications to the code, please contact the authors, especially     *
21  * if you plan to publish the results obtained with such modified code.       *
22  * Any publication of results obtained using this code must include the       *
23  * reference to nucl-th/0504047 and the published version of it, when         *
24  * available.                                                                 *
25  *                                                                            *
26  *****************************************************************************/
27 #include <TMath.h>
28 #include "THGlobal.h"
29 #include "ReadPar.h"
30 #include "Parser.h"
31 #include "DecayChannel.h"
32 #include <sstream>
33 #include <cstring>
34
35 extern ReadPar *sRPInstance;
36
37 const double factorials[7] = {1.0, 1.0, 2.0, 6.0, 24.0, 120.0, 720.0 };
38
39 Parser::Parser(ParticleDB *aDB)
40 {
41   mDB = aDB;
42   ReadParameters();
43 }
44
45 Parser::~Parser()
46 {
47 }
48
49 int Parser::check(char *a,char *b)
50 {
51   int tIter3=0;
52
53   while(a[tIter3]!='\0') 
54     {
55       if(a[tIter3]!=b[tIter3]) return 0;
56       tIter3++;
57     }
58   return 1;
59 }
60
61 int Parser::GetParticleCount()
62 {
63   return mParticleCount;
64 }
65
66 char * Parser::GetParticleName(int i)
67 {
68   return mNameBuffer[i];
69 }
70
71 double Parser::GetParticleMass(int i)
72 {
73   return mMassBuffer[i];
74 }
75
76 double Parser::GetParticleGamma(int i)
77 {
78   return mGammaBuffer[i];
79 }
80
81 double Parser::GetParticleSpin(int i)
82 {
83   return mSpinBuffer[i];
84 }
85
86 int Parser::GetParticleBarionN(int i)
87 {
88   return mBarionBuffer[i];
89 }
90
91 int Parser::GetParticleStrangeN(int i)
92 {
93   return mStrangeBuffer[i];
94 }
95
96 double Parser::GetParticleI3(int i)
97 {
98   return mI3Buffer[i];
99 }
100
101 int Parser::GetParticleDecayChannelCount(int i,int j)
102 {
103   return mDecayBuffer[i][j];
104 }
105
106 int Parser::GetParticleNumber(int i)
107 {
108   return mTypeCountBuffer[i];
109 }
110
111 void Parser::ReadInput()
112 {
113   int j,tPartIter=0,l,tIter2, tIter; //variables
114   char str[50];
115   char str1[20];
116   double spin1,spin2,value;
117
118   //////  START OF "TABLES.M" /////////
119   ifstream in("tables.m");
120   if(in)
121     {
122       //START OF HEAD-LINE
123       in.ignore(100,'\n');
124       //END OF HEAD-LINE
125
126       for(tIter2=0;tIter2<50;tIter2++) str[tIter2]='\0';
127
128       tPartIter=0;
129
130       //START OF DATA
131       while(in>>str)
132         {
133           if(*str == 'x') break;
134
135           l=0;
136           //PARTICLE NAME AND MASS
137           if(str[0] == 'm' && str[1] == '[')
138             {
139               for(;;)
140                 {
141                   if(str[l+2] == ']') break;
142                   mNameBuffer[tPartIter][l]=str[l+2];   //name
143                   l++;
144                 }
145               //                mNameBuffer[tPartIter][l]='\0';
146               in>>str;  // sign "="
147               in>>value;        // mass
148               mMassBuffer[tPartIter]=value;
149               mTypeCountBuffer[tPartIter]=tPartIter;
150               for(tIter2=0;tIter2<50;tIter2++) str[tIter2]='\0';
151             }
152             
153           if(str[0] == 'G' && str[3] == '[')
154             {
155               in>>str;  // sign "="
156               in>>value;        // gamma
157               mGammaBuffer[tPartIter]=value;
158               for(tIter2=0;tIter2<50;tIter2++) str[tIter2]='\0';
159             }
160             
161           // spin
162           if(str[0] == 'J' && str[1] == '[')
163             {
164               in>>str;  // sign "="
165               in>>str;
166               if(str[1] == '/')
167                 {
168                   *str1=str[0];spin1=atof(str1);
169                   *str1=str[2];spin2=atof(str1);
170                   mSpinBuffer[tPartIter]=spin1/spin2;
171                 }
172               if(str[0] == '-')
173                 {
174                   *str1=str[1];spin1=atof(str1);
175                   mSpinBuffer[tPartIter]=-spin1;
176                 }
177               if(str[0]!='-' && str[1]!='/') 
178                 {
179                   *str1=str[0];
180                   spin1=atof(str1);
181                   mSpinBuffer[tPartIter]=spin1;
182                 }
183               tPartIter++;      //next particle
184               for(tIter2=0;tIter2<50;tIter2++) str[tIter2]='\0';
185             }
186         }
187       //END OF DATA
188     }
189   mParticleCount=tPartIter;
190   //////  END OF "TABLES.M" /////////
191
192
193   //////        START OF "i200STAR.m"//////
194
195   double izospin1,izospin2;     //help to calculate izospin, if niecalkowity
196   //    input=fopen("i200STAR.m","r+");
197   ifstream in1("i200STAR.m");
198
199   for(tIter2=0;tIter2<369;tIter2++)
200     for(int jj=0;jj<2;jj++) mDecayBuffer[tIter2][jj]=0; 
201   
202   for(;;)
203     {
204       j=3; //first letter of particle in line in file
205       for(tIter=0;tIter<50;tIter++) str[tIter]='\0';
206       for(tIter=0;tIter<20;tIter++) str1[tIter]='\0';
207       tIter=0;
208         
209       in1.getline(str,200);
210       
211       if(str[0] == 'x') break;
212
213       if(str[0] == 'f' && str[1] == 'i')
214         {       
215           //name
216           for(;;)       
217             {
218               if(str[j] == ',') 
219                 {
220                   j++;  //to skip ","
221                   break;
222                 }
223               str1[tIter++]=str[j++];
224             }
225           for(tIter=0;tIter<369;tIter++)
226             {       
227               if(check(str1,mNameBuffer[tIter]))
228                 {
229                   //barion number
230                   for(tIter2=0;tIter2<20;tIter2++) str1[tIter2]='\0';
231                   if(str[j] == '-')
232                     { 
233                       *str1=str[j+1];
234                       mBarionBuffer[tIter]=atoi(str1);
235                       mBarionBuffer[tIter]=-mBarionBuffer[tIter];
236                     }
237                   if(str[j] != '-') 
238                     {
239                       *str1=str[j];
240                       mBarionBuffer[tIter]=atoi(str1);
241                     }
242                   if(str[j] == '-') j+=3;
243                   else j+=2;
244
245                   //strange number
246                   for(tIter2=0;tIter2<20;tIter2++) str1[tIter2]='\0';
247                   if(str[j] == '-')
248                     {
249                       *str1=str[j+1];
250                       mStrangeBuffer[tIter]=atoi(str1);
251                       mStrangeBuffer[tIter]=-mStrangeBuffer[tIter];
252                     }
253                   if(str[j] != '-') 
254                     {
255                       *str1=str[j];
256                       mStrangeBuffer[tIter]=atoi(str1);
257                     }
258                   if(str[j] == '-') j+=3;
259                   else j+=2;
260
261                   //izospin3 number
262                   for(tIter2=0;tIter2<20;tIter2++) str1[tIter2]='\0';
263                   if(str[j+1] == '/' && str[j+3] == ']') 
264                     {
265                       *str1=str[j];
266                       izospin1=atoi(str1);
267                       *str1=str[j+2];
268                       izospin2=atoi(str1);
269                       mI3Buffer[tIter]=izospin1/izospin2;
270                     }
271                   if(str[j] == '-' && str[j+2] == '/' && str[j+4] == ']') 
272                     {
273                       *str1=str[j+1];
274                       izospin1=atoi(str1);
275                       *str1=str[j+3];
276                       izospin2=atoi(str1);
277                       mI3Buffer[tIter]=-izospin1/izospin2;
278                     }
279                   if(str[j] == '-' && str[j+2] == ']')
280                     {
281                       *str1=str[j+1];
282                       izospin1=atoi(str1);
283                       mI3Buffer[tIter]=-izospin1;
284                     }
285                   if(str[j+1] == ']') 
286                     {
287                       *str1=str[j];
288                       mI3Buffer[tIter]=atof(str1);
289                     }
290                   break;
291                 }
292             }
293         }
294         
295       //DECAY CHANNELS
296         
297       tIter=0;
298       //TWO-BODY DECAYS
299       if(str[0] == 's' && str[1] == 'e' && str[2] == '[')
300         {
301           // Reading in the decay channels
302           char *tLBrackert, *tFirstComma, *tSecondComma, *tThirdComma, *tRBracket;
303           
304           tLBrackert = strchr(str,'[');
305           tFirstComma = strchr(str,',');
306           tSecondComma = strchr(tFirstComma+1,',');
307           tThirdComma = strchr(tSecondComma+1,',');
308           tRBracket = strchr(tThirdComma,']');
309
310           if (!(tLBrackert && tFirstComma && tSecondComma && tThirdComma && tRBracket))
311             PRINT_DEBUG_1("Malformed line!: " << str);
312           
313           char *tFather = new char[tFirstComma-tLBrackert];
314           strncpy(tFather, tLBrackert+1,   tFirstComma-tLBrackert-1);
315           char *tDaughter1 = new char[tSecondComma-tFirstComma];
316           strncpy(tDaughter1, tFirstComma+1,  tSecondComma-tFirstComma-1);
317           char *tDaughter2 = new char[tThirdComma-tSecondComma];
318           strncpy(tDaughter2, tSecondComma+1, tThirdComma-tSecondComma-1);
319           char *tBRatio = new char[tRBracket-tThirdComma];
320           strncpy(tBRatio, tThirdComma+1,  tRBracket-tThirdComma-1);
321           
322           // Getting the ratio
323           char *tMiddle, *tRatComponent;
324           double tRatio = 1.0;
325           
326           tMiddle = strchr(tBRatio,'_');
327           if (!tMiddle) tMiddle = strchr(tBRatio,' ');
328           while(tMiddle)
329             {
330               tRatComponent = new char[tMiddle-tBRatio+1];
331               strncpy(tRatComponent, tBRatio, tMiddle-tBRatio);
332               if (strchr(tRatComponent,'/'))
333                 tRatio *= atof(tRatComponent)/atof(tRatComponent+2);
334               else
335                 tRatio *= atof(tRatComponent);
336               tBRatio = tMiddle+1;              
337               tMiddle = strchr(tBRatio,'_');
338               if (!tMiddle) tMiddle = strchr(tBRatio,' ');
339               delete [] tRatComponent;
340             }
341           if (strchr(tBRatio,'/'))
342             tRatio *= atof(tBRatio)/atof(tBRatio+2);
343           else
344             tRatio *= atof(tBRatio);
345         }
346
347       //THREE-BODY DECAYS
348       j++;      //because se3[]
349       if(str[0] == 's' && str[1] == 'e' && str[2] == '3' && str[3] == '[')
350         {
351           for(;;)       
352             {
353               if(str[j] == ',') 
354                 {
355                   j++;  //to skip ","
356                   break;
357                 }
358               str1[tIter++]=str[j++];   //name
359             }
360
361           for(tIter=0;tIter<369;tIter++)
362             {       
363               if(check(str1,mNameBuffer[tIter]))
364                 {
365                   mDecayBuffer[tIter][1]++;
366                   break;
367                 }
368             }
369         }
370
371
372     }
373   //////        END OF "i200STAR.m"//////
374     
375   ParticleType *tPartBuf;
376   int tNum, tPart;
377   
378   for(tPart=0;tPart<mParticleCount;tPart++)
379     {
380       tPartBuf = new ParticleType();
381       tPartBuf->SetName(mNameBuffer[tPart]);
382       tPartBuf->SetMass(mMassBuffer[tPart]);
383       tPartBuf->SetGamma(mGammaBuffer[tPart]);
384       tPartBuf->SetSpin(mSpinBuffer[tPart]);
385       tPartBuf->SetBarionN(mBarionBuffer[tPart]);
386       tPartBuf->SetStrangeness(mStrangeBuffer[tPart]);
387       tPartBuf->SetI3(mI3Buffer[tPart]);
388       tPartBuf->SetDecayChannelCount2(mDecayBuffer[tPart][0]);
389       tPartBuf->SetDecayChannelCount3(mDecayBuffer[tPart][1]);
390       tPartBuf->SetNumber(tPart);
391       tNum = mDB->AddParticleType(tPartBuf);
392     }
393
394   ifstream in2("i200STAR.m");
395   while (in2.getline(str,200))
396     {
397       tIter=0;
398       //TWO-BODY DECAYS
399       if(str[0] == 's' && str[1] == 'e' && str[2] == '[')
400         {
401           // Reading in the decay channels
402           char *tLBrackert, *tFirstComma, *tSecondComma, *tThirdComma, *tRBracket;
403           
404           tLBrackert = strchr(str,'[');
405           tFirstComma = strchr(str,',');
406           tSecondComma = strchr(tFirstComma+1,',');
407           tThirdComma = strchr(tSecondComma+1,',');
408           tRBracket = strchr(tThirdComma,']');
409           if (!(tLBrackert && tFirstComma && tSecondComma && tThirdComma && tRBracket))
410             PRINT_DEBUG_1("Malformed line!: " << str);
411           
412           char *tFather = new char[tFirstComma-tLBrackert];
413           strncpy(tFather, tLBrackert+1,   tFirstComma-tLBrackert-1);
414           char *tDaughter1 = new char[tSecondComma-tFirstComma];
415           strncpy(tDaughter1, tFirstComma+1,  tSecondComma-tFirstComma-1);
416           char *tDaughter2 = new char[tThirdComma-tSecondComma];
417           strncpy(tDaughter2, tSecondComma+1, tThirdComma-tSecondComma-1);
418           char *tBRatio = new char[tRBracket-tThirdComma];
419           strncpy(tBRatio, tThirdComma+1,  tRBracket-tThirdComma-1);
420           
421           // Getting the ratio
422           char *tMiddle, *tRatComponent;
423           double tRatio = 1.0;
424           
425           tMiddle = strchr(tBRatio,'_');
426           if (!tMiddle) tMiddle = strchr(tBRatio,' ');
427           while(tMiddle)
428             {
429               tRatComponent = new char[tMiddle-tBRatio];
430               strncpy(tRatComponent, tBRatio, tMiddle-tBRatio);
431               if (strchr(tRatComponent,'/'))
432                 tRatio *= atof(tRatComponent)/atof(tRatComponent+2);
433               else
434                 tRatio *= atof(tRatComponent);
435               tBRatio = tMiddle+1;              
436               tMiddle = strchr(tBRatio,'_');
437               if (!tMiddle) tMiddle = strchr(tBRatio,' ');
438               delete [] tRatComponent;
439             }
440           if (strchr(tBRatio,'/'))
441             tRatio *= atof(tBRatio)/atof(tBRatio+2);
442           else
443             tRatio *= atof(tBRatio);
444           
445           DecayChannel *newChannel = new DecayChannel(tRatio, mDB->GetParticleTypeIndex(tDaughter1), mDB->GetParticleTypeIndex(tDaughter2), -1);
446           //      if (mDB->GetParticleType(tDaughter1)->GetMass() + 
447           //          mDB->GetParticleType(tDaughter2)->GetMass()
448           //          < mDB->GetParticleType(tFather)->GetMass()) {
449           //        (mDB->GetParticleType(tFather))->AddDecayChannel(*newChannel);
450           //      }
451           (mDB->GetParticleType(tFather))->AddDecayChannel(*newChannel);
452         }
453       
454       if(str[0] == 's' && str[1] == 'e' && str[2] == '3')
455         {
456           // Reading in the decay channels
457           char *tLBrackert, *tFirstComma, *tSecondComma, *tThirdComma, *tFourthComma, *tRBracket;
458           
459           tLBrackert = strchr(str,'[');
460           tFirstComma = strchr(str,',');
461           tSecondComma = strchr(tFirstComma+1,',');
462           tThirdComma = strchr(tSecondComma+1,',');
463           tFourthComma = strchr(tThirdComma+1,',');
464           tRBracket = strchr(tThirdComma,']');
465
466           if (!(tLBrackert && tFirstComma && tSecondComma && tThirdComma && tFourthComma && tRBracket))
467             PRINT_DEBUG_1("Malformed line!: " << str);
468           
469           char *tFather = new char[tFirstComma-tLBrackert];
470           strncpy(tFather, tLBrackert+1,   tFirstComma-tLBrackert-1);
471           char *tDaughter1 = new char[tSecondComma-tFirstComma];
472           strncpy(tDaughter1, tFirstComma+1,  tSecondComma-tFirstComma-1);
473           char *tDaughter2 = new char[tThirdComma-tSecondComma];
474           strncpy(tDaughter2, tSecondComma+1, tThirdComma-tSecondComma-1);
475           char *tDaughter3 = new char[tFourthComma-tThirdComma];
476           strncpy(tDaughter3, tThirdComma+1,  tFourthComma-tThirdComma-1);
477           char *tBRatio = new char[tRBracket-tFourthComma];
478           strncpy(tBRatio, tFourthComma+1, tRBracket-tFourthComma-1);
479           
480           // Getting the ratio
481           char *tMiddle, *tRatComponent;
482           double tRatio = 1.0;
483           
484           tMiddle = strchr(tBRatio,'_');
485           if (!tMiddle) tMiddle = strchr(tBRatio,' ');
486           while(tMiddle)
487             {
488               tRatComponent = new char[tMiddle-tBRatio+1];
489               strncpy(tRatComponent, tBRatio, tMiddle-tBRatio);
490               if (strchr(tRatComponent,'/'))
491                 tRatio *= atof(tRatComponent)/atof(tRatComponent+2);
492               else
493                 tRatio *= atof(tRatComponent);
494               tBRatio = tMiddle+1;              
495               tMiddle = strchr(tBRatio,'_');
496               if (!tMiddle) tMiddle = strchr(tBRatio,' ');
497               delete [] tRatComponent;
498             }
499           if (strchr(tBRatio,'/'))
500             tRatio *= atof(tBRatio)/atof(tBRatio+2);
501           else
502             tRatio *= atof(tBRatio);
503           
504           DecayChannel *newChannel = new DecayChannel(tRatio, mDB->GetParticleTypeIndex(tDaughter1), mDB->GetParticleTypeIndex(tDaughter2), mDB->GetParticleTypeIndex(tDaughter3));
505           //      if (mDB->GetParticleType(tDaughter1)->GetMass() + 
506           //          mDB->GetParticleType(tDaughter2)->GetMass() +
507           //          mDB->GetParticleType(tDaughter3)->GetMass()
508           //          < mDB->GetParticleType(tFather)->GetMass())
509           (mDB->GetParticleType(tFather))->AddDecayChannel(*newChannel);
510         }
511     }
512
513   ifstream in3("pdgcodes.m");
514   while (in3.getline(str,200))
515     {
516       string tName;
517       int tCode;
518       
519       std::stringstream tIS(str);
520       tIS >> tName >> tCode;
521       mDB->GetParticleType(tName)->SetPDGCode(tCode);
522     }
523   
524 }
525
526
527 void Parser::ReadShare()
528 {
529   char str[50];
530   char str1[200];
531     
532   ParticleType *tPartBuf;
533   int tNum;
534            
535   PRINT_DEBUG_1("Reading from |"<<(mInputDir+"/"+"particles.data").Data()<<"|");
536   ifstream in((mInputDir+"/"+"particles.data").Data());
537     
538   int number=0;
539   if ((in) && (in.is_open()))
540     {
541       //START OF HEAD-LINE
542       in.ignore(200,'\n');
543       in.ignore(200,'\n');
544       in.ignore(200,'\n');
545       //END OF HEAD-LINE
546       
547       while (in>>str)
548         {
549           if (/*(*str == '#')||*/(*str<65)||(*str>122))
550             {
551               in.getline(str1,200);
552               continue;
553             }
554           double mass, gamma, spin, I3, I, q, s, aq, as, c, ac, mc;
555           
556           in>>mass>>gamma>>spin>>I>>I3>>q>>s>>aq>>as>>c>>ac>>mc;
557           number++;
558           PRINT_DEBUG_2(number<<" "<<str<<" "<<mass<<" "<<gamma<<" "<<spin<<" "<<I<<" "<<I3<<" "<<q<<" "<<aq<<" "<<s<<" "<<as<<" "<<c<<" "<<ac<<" "<<mc);
559           
560           tPartBuf = new ParticleType();
561           tPartBuf->SetName(str);
562           tPartBuf->SetMass(mass);
563           tPartBuf->SetGamma(gamma);
564           tPartBuf->SetSpin(spin);
565           tPartBuf->SetBarionN((int) ((q+s+c)/3. - (aq+as+ac)/3.) );
566           tPartBuf->SetCharmN((int) (c - ac));
567           tPartBuf->SetStrangeness((int) (as-s));
568           tPartBuf->SetI(I);
569           tPartBuf->SetI3(I3);
570           tPartBuf->SetPDGCode((int) mc);
571           tPartBuf->SetNumber(number);
572           tNum = mDB->AddParticleType(tPartBuf);
573         }
574       in.close();
575     }
576   else 
577     {
578       PRINT_MESSAGE("File "<<(mInputDir+"/"+"particles.data").Data()<<" containing particle data not found!");
579       PRINT_MESSAGE("Please set the correct path to this file in the input parameter file");
580       PRINT_MESSAGE("Aborting!");
581       exit(0);
582     }
583   
584   ifstream in2((mInputDir+"/decays.data").Data());
585   if ((in2) && (in2.is_open()))
586     {
587       //START OF HEAD-LINE
588       in2.ignore(200,'\n');
589       in2.ignore(200,'\n');
590       in2.ignore(200,'\n');
591       //END OF HEAD-LINE
592
593       char tFather[20], tDaughter1[20], tDaughter2[20], tDaughter3[20];
594       double tBRatio, tRatio;
595       int CGcoeff; // complete branching ratio by Clebsch-Gordan coefficient: 0-no 1-yes
596         
597       while (in2>>str)
598         {
599           if (*str == '#')
600             {
601               in2.getline(str1,200);
602               continue;
603             }
604           in2>>tDaughter1>>tDaughter2>>tDaughter3;
605           if (!mDB->ExistsParticleType(tDaughter1)) {
606             PRINT_MESSAGE("Did not find the daughter 1 particle: " << tDaughter1);
607             PRINT_MESSAGE("Not adding channel");
608             in2.getline(str1,200);
609             continue;
610           }
611           if (!mDB->ExistsParticleType(tDaughter2)) {
612             PRINT_MESSAGE("Did not find the daughter 2 particle: " << tDaughter2);
613             PRINT_MESSAGE("Not adding channel");
614             in2.getline(str1,200);
615             continue;
616           }
617           if ((*tDaughter3>65)&&(*tDaughter3<122)&&(!mDB->ExistsParticleType(tDaughter3))) {
618             PRINT_MESSAGE("Did not find the daughter 3 particle: " << tDaughter3);
619             PRINT_MESSAGE("Not adding channel");
620             in2.getline(str1,200);
621             continue;
622           }
623
624           strcpy(tFather,str);
625           PRINT_DEBUG_2(tFather<<"\t"<<tDaughter1<<"\t"<<tDaughter2<<"\t");
626           if ((*tDaughter3>65)&&(*tDaughter3<122)) // check if first char is a letter - if yes then 3-body decay
627             {
628               in2>>tBRatio>>CGcoeff;
629               PRINT_DEBUG_2(tDaughter3<<" (3-body decay)\t");
630               if (mDB->ExistsParticleType(tFather)) {
631                 mDB->GetParticleType(tFather)->SetDecayChannelCount3(mDB->GetParticleType(tFather)->GetDecayChannelCount3()+1);
632               
633                 tRatio=tBRatio;
634                 DecayChannel *newChannel = new DecayChannel(tRatio, mDB->GetParticleTypeIndex(tDaughter1), mDB->GetParticleTypeIndex(tDaughter2), mDB->GetParticleTypeIndex(tDaughter3));
635                 if (mDB->GetParticleType(tDaughter1)->GetMass() + 
636                     mDB->GetParticleType(tDaughter2)->GetMass() +
637                     mDB->GetParticleType(tDaughter3)->GetMass()
638                     < mDB->GetParticleType(tFather)->GetMass())
639                   (mDB->GetParticleType(tFather))->AddDecayChannel(*newChannel);
640                 
641                 tRatio=tBRatio;
642                 PRINT_DEBUG_2(tBRatio << '\t' << tRatio);
643               }
644               else {
645                 PRINT_MESSAGE("Did not find the father particle: " << tFather);
646                 PRINT_MESSAGE("Not adding channel");
647               }
648             }
649           else // 2-body decay      
650             {
651               tBRatio=atof(tDaughter3);
652             
653               in2>>CGcoeff;
654               PRINT_DEBUG_2(" (2-body decay)\t");
655               if (mDB->ExistsParticleType(tFather)) {
656                 mDB->GetParticleType(tFather)->SetDecayChannelCount2(mDB->GetParticleType(tFather)->GetDecayChannelCount2()+1);
657                 
658                 // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
659                 if (CGcoeff) // complete branching ratio by Clebsch-Gordan coefficient
660                   {
661                     double j1, m1, j2, m2, J, M, CB;
662                     J=mDB->GetParticleType(tFather)->GetI();
663                     M=mDB->GetParticleType(tFather)->GetI3();
664                     j1=mDB->GetParticleType(tDaughter1)->GetI();
665                     m1=mDB->GetParticleType(tDaughter1)->GetI3();
666                     j2=mDB->GetParticleType(tDaughter2)->GetI();
667                     m2=mDB->GetParticleType(tDaughter2)->GetI3();
668                     PRINT_DEBUG_2(" "<<J<<" "<<M<<" "<<j1<<" "<<m1<<" "<<j2<<" "<<m2);
669                     
670                     CB = ClebschGordan(J, M, j1, m1, j2, m2);
671                     tRatio = CB*CB * tBRatio;
672                     
673                     // Multiply the Clebsh by two?
674                     // The same spin, mass, strangeness
675                     // and different I3?
676                     if ((fabs(mDB->GetParticleType(tDaughter1)->GetSpin() - mDB->GetParticleType(tDaughter2)->GetSpin()) < 0.01) &&
677                         (fabs(mDB->GetParticleType(tDaughter1)->GetMass() - mDB->GetParticleType(tDaughter2)->GetMass()) < 0.01) &&
678                         (mDB->GetParticleType(tDaughter1)->GetStrangeness() == mDB->GetParticleType(tDaughter2)->GetStrangeness()) &&
679                         (fabs(mDB->GetParticleType(tDaughter1)->GetI3() - mDB->GetParticleType(tDaughter2)->GetI3()) > 0.01))
680                       {
681                         PRINT_DEBUG_2("Multuplying Clebsch by two for " << tFather << "->" << tDaughter1 << "+" << tDaughter2);
682                         tRatio *= 2.0;
683                       }
684                     
685                     PRINT_DEBUG_2(CB << '\t' << tBRatio << '\t' << tRatio<<"\t"<<CGcoeff);
686                   }
687                 
688                 else
689                   {
690                     tRatio=tBRatio;
691                     PRINT_DEBUG_2(tBRatio << '\t' << tRatio);
692                   }
693                 DecayChannel *newChannel = new DecayChannel(tRatio, mDB->GetParticleTypeIndex(tDaughter1), mDB->GetParticleTypeIndex(tDaughter2), -1);
694                 if (mDB->GetParticleType(tDaughter1)->GetMass() + 
695                     mDB->GetParticleType(tDaughter2)->GetMass()
696                     < mDB->GetParticleType(tFather)->GetMass()) 
697                   {
698                     (mDB->GetParticleType(tFather))->AddDecayChannel(*newChannel);
699                     PRINT_DEBUG_2("Added channel " << newChannel << " " << mDB->GetParticleTypeIndex(tFather) << " " << mDB->GetParticleTypeIndex(tDaughter1) << " " << mDB->GetParticleTypeIndex(tDaughter2));
700                   }
701                 else 
702                   {
703                     
704                     PRINT_DEBUG_2("Masses do not match! Not adding channel " << newChannel);
705                   }
706               }
707               else {
708                 PRINT_MESSAGE("Did not find the father particle: " << tFather);
709                 PRINT_MESSAGE("Not adding channel");
710               }
711             }
712         }
713       in2.close();
714     }
715   else {
716     PRINT_MESSAGE("File "<<(mInputDir+"/decays.data").Data()<<" with particle decay channels not found!");
717     PRINT_MESSAGE("No particle decays will be simulated");
718   }
719 }
720
721 double 
722 Parser::ClebschGordan(double aJot, double aEm, double aJot1, double aEm1, double aJot2, double aEm2)
723 {
724   int mint, maxt;
725   double cgc = 0.0;
726   int titer;
727   double coef;
728
729   maxt = lrint(aJot1 + aJot2 - aJot);
730   mint = 0;
731   if (lrint(aJot1 - aEm1) < maxt) maxt = lrint(aJot1 - aEm1);
732   if (lrint(aJot2 + aEm2) < maxt) maxt = lrint(aJot2 + aEm2);
733   if (lrint(-(aJot-aJot2+aEm1)) > mint) mint = lrint(-(aJot-aJot2+aEm1));
734   if (lrint(-(aJot-aJot1-aEm2)) > mint) mint = lrint(-(aJot-aJot1-aEm2));
735
736   PRINT_DEBUG_3("mint " << mint << " " <<  aJot1 << " " << aEm1);
737   PRINT_DEBUG_3("maxt " << maxt << " " <<  aJot2 << " " << aEm2);
738
739   for (titer = mint; titer<=maxt; titer ++)
740     {
741       coef = TMath::Power(-1, titer);
742       PRINT_DEBUG_3("coef1 " << coef); 
743       coef *= TMath::Sqrt((2*aJot+1)*
744                           factorials[lrint(aJot1+aEm1)] *
745                           factorials[lrint(aJot1-aEm1)] *
746                           factorials[lrint(aJot2+aEm2)] *
747                           factorials[lrint(aJot2-aEm2)] *
748                           factorials[lrint(aJot+aEm)] *
749                           factorials[lrint(aJot-aEm)]);
750       PRINT_DEBUG_3("coef2 " << coef); 
751       coef /= (factorials[titer] *
752                factorials[lrint(aJot1+aJot2-aJot-titer)] *
753                factorials[lrint(aJot1-aEm1-titer)] *
754                factorials[lrint(aJot2+aEm2-titer)] *
755                factorials[lrint(aJot-aJot2+aEm1+titer)] *
756                factorials[lrint(aJot-aJot1-aEm2+titer)]);
757       PRINT_DEBUG_3("coef3 " << coef); 
758       
759       cgc += coef;
760     }
761
762   cgc *= DeltaJ(aJot1, aJot2, aJot);
763
764   return cgc;
765 }
766
767 double 
768 Parser::DeltaJ(double aJot1, double aJot2, double aJot)
769 {
770   double res = TMath::Sqrt(1.0 * 
771                            factorials[lrint(aJot1+aJot2-aJot)] * 
772                            factorials[lrint(aJot1-aJot2+aJot)] * 
773                            factorials[lrint(-aJot1+aJot2+aJot)] / 
774                            factorials[lrint(aJot1+aJot2+aJot+1)]);
775   
776   return res;
777 }
778
779 void   
780 Parser::ReadParameters()
781 {
782   // Read the input directory
783   try {
784     mInputDir = sRPInstance->getPar("InputDirSHARE");
785   }
786   catch (STR tError) {
787     PRINT_DEBUG_1("Parser::ReadParameters - Caught exception " << tError);
788     PRINT_MESSAGE("Did not find SHARE input file location.");
789     PRINT_MESSAGE("Using default: '../share'");
790     mInputDir = "../share";
791   }
792 }