source: trunk/source/particles/management/src/G4DecayTable.cc @ 1315

Last change on this file since 1315 was 1315, checked in by garnier, 14 years ago

update geant4-09-04-beta-cand-01 interfaces-V09-03-09 vis-V09-03-08

File size: 3.9 KB
Line 
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26//
27// $Id: G4DecayTable.cc,v 1.9 2010/05/20 01:01:07 kurasige Exp $
28// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
29//
30//
31// ------------------------------------------------------------
32//      GEANT 4 class implementation file
33//
34//      History: first implementation, based on object model of
35//      27 July 1996 H.Kurashige
36// ----------------------------------------
37//      implementation for STL          14 Feb. 2000 H.Kurashige
38// ------------------------------------------------------------
39
40#include "globals.hh"
41#include "G4DecayTable.hh"
42#include "Randomize.hh"
43
44G4DecayTable::G4DecayTable():parent(0)
45{
46  channels =  new G4VDecayChannelVector;
47}
48
49G4DecayTable::~G4DecayTable()
50{
51  // remove and delete all contents 
52  G4VDecayChannelVector::iterator i;
53  for (i = channels->begin(); i!= channels->end(); ++i) {
54    delete (*i);
55  }
56  channels->clear();
57  delete  channels;
58  channels = 0;
59}   
60
61void G4DecayTable::Insert( G4VDecayChannel * aChannel){
62  if (parent == 0) { parent = (G4ParticleDefinition*)(aChannel->GetParent()); }
63  if (parent != aChannel->GetParent()) {
64#ifdef G4VERBOSE
65    G4cerr << " G4DecayTable::Insert :: bad   G4VDecayChannel (mismatch parent) "
66           << "       " << parent->GetParticleName()
67           << " input:" << aChannel->GetParent()->GetParticleName() << G4endl;
68#endif
69  } else {
70    G4double r = aChannel->GetBR();
71    G4VDecayChannelVector::iterator i;
72    for (i = channels->begin(); i!= channels->end(); ++i) {
73      if (r > (*i)->GetBR()) {
74        channels->insert(i,aChannel);
75        return;
76      }
77    }
78    channels->push_back(aChannel);
79  }
80}
81
82G4VDecayChannel *G4DecayTable::SelectADecayChannel()
83{
84  // check if contents exist
85  if (channels->size()<1) return 0;
86
87  while (1) {
88    G4double sumBR = 0.0;
89    G4double r= G4UniformRand();
90    // select decay channel
91    G4VDecayChannelVector::iterator i;
92    for (i = channels->begin(); i!= channels->end(); ++i) {
93      sumBR += (*i)->GetBR();
94      if (r < sumBR) {
95        return (*i);
96      }
97    }
98  }
99  return 0;
100}
101
102void G4DecayTable::DumpInfo() const
103{
104  G4cout << "G4DecayTable:  " << parent->GetParticleName() << G4endl;
105  G4int index =0;
106  G4VDecayChannelVector::iterator i;
107  for (i = channels->begin(); i!= channels->end(); ++i) {
108    G4cout << index << ": ";
109    (*i)->DumpInfo();
110    index +=1;
111  }
112  G4cout << G4endl;
113}
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