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>> 1 // This code implementation is the intellectual property of
>> 2 // the GEANT4 collaboration.
1 // 3 //
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5 // * The Geant4 software is copyright of th <<
6 // * the Geant4 Collaboration. It is provided <<
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8 // * LICENSE and available at http://cern.ch/ <<
9 // * include a list of copyright holders. <<
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11 // * Neither the authors of this software syst <<
12 // * institutes,nor the agencies providing fin <<
13 // * work make any representation or warran <<
14 // * regarding this software system or assum <<
15 // * use. Please see the license in the file <<
16 // * for the full disclaimer and the limitatio <<
17 // * <<
18 // * This code implementation is the result <<
19 // * technical work of the GEANT4 collaboratio <<
20 // * By using, copying, modifying or distri <<
21 // * any work based on the software) you ag <<
22 // * use in resulting scientific publicati <<
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24 // ******************************************* <<
25 // 7 //
26 // G4DecayTable class implementation << 8 // $Id: G4DecayTable.cc,v 1.4.8.1 1999/12/07 20:49:55 gunter Exp $
>> 9 // GEANT4 tag $Name: geant4-01-00 $
27 // 10 //
28 // Author: H.Kurashige, 7 July 1996 << 11 //
29 // ------------------------------------------- << 12 // ------------------------------------------------------------
>> 13 // GEANT 4 class implementation file
>> 14 //
>> 15 // For information related to this code contact:
>> 16 // CERN, CN Division, ASD group
>> 17 // History: first implementation, based on object model of
>> 18 // 2nd December 1995, G.Cosmo
>> 19 // 27 July 1996 H.Kurashige
>> 20 // ------------------------------------------------------------
30 21
>> 22 #include "globals.hh"
31 #include "G4DecayTable.hh" 23 #include "G4DecayTable.hh"
32 <<
33 #include "Randomize.hh" 24 #include "Randomize.hh"
34 #include "globals.hh" <<
35 25
36 G4DecayTable::G4DecayTable() << 26 G4DecayTable::G4DecayTable():parent(0)
37 { 27 {
38 channels = new G4VDecayChannelVector; << 28 channels = new G4VDecayChannelVector;
39 } 29 }
40 30
41 G4DecayTable::~G4DecayTable() 31 G4DecayTable::~G4DecayTable()
42 { 32 {
43 // remove and delete all contents << 33 channels->clearAndDestroy();
44 for (const auto channel : *channels) { <<
45 delete channel; <<
46 } <<
47 channels->clear(); <<
48 delete channels; 34 delete channels;
49 channels = nullptr; << 35 }
50 parent = nullptr; <<
51 } <<
52 36
53 void G4DecayTable::Insert(G4VDecayChannel* aCh << 37 void G4DecayTable::Insert( G4VDecayChannel * aChannel){
54 { << 38 if (parent == 0) { parent = (G4ParticleDefinition*)(aChannel->GetParent()); }
55 if (parent == nullptr) { <<
56 parent = (G4ParticleDefinition*)(aChannel- <<
57 } <<
58 if (parent != aChannel->GetParent()) { 39 if (parent != aChannel->GetParent()) {
59 #ifdef G4VERBOSE 40 #ifdef G4VERBOSE
60 G4cout << " G4DecayTable::Insert :: bad G4 << 41 G4cout << " G4DecayTable::Insert :: bad G4VDecayChannel (mismatch parent) ";
61 << " " << parent->GetParticle << 42 G4cout << " " << parent->GetParticleName();
62 << " input:" << aChannel->GetParent << 43 G4cout << " input:" << aChannel->GetParent()->GetParticleName() << endl;
63 #endif 44 #endif
64 } << 45 } else {
65 else { << 46 channels->insert(aChannel);
66 G4double br = aChannel->GetBR(); <<
67 for (auto iCh = channels->cbegin(); iCh != <<
68 if (br > (*iCh)->GetBR()) { <<
69 channels->insert(iCh, aChannel); <<
70 return; <<
71 } <<
72 } <<
73 channels->push_back(aChannel); <<
74 } 47 }
75 } 48 }
76 49
77 G4VDecayChannel* G4DecayTable::SelectADecayCha << 50 G4VDecayChannel *G4DecayTable::SelectADecayChannel()
78 { 51 {
79 // check if contents exist << 52 // make cumlative table for branching ratio
80 if (channels->empty()) return nullptr; << 53 G4double sumBR = 0.0;
81 << 54 G4int index;
82 if (parentMass < 0.) parentMass = parent->Ge << 55 G4int numberofchannels = channels->entries();
83 << 56 G4double *cumBR = new G4double[numberofchannels];
84 G4double sumBR = 0.; << 57 for (index=numberofchannels-1; index >=0 ; index--) {
85 for (const auto channel : *channels) { << 58 sumBR += ((*channels)(index))->GetBR();
86 if (!(channel->IsOKWithParentMass(parentMa << 59 cumBR[index] = sumBR;
87 sumBR += channel->GetBR(); << 60 }
88 } << 61
89 if (sumBR <= 0.0) { << 62 // select decay channel
90 #ifdef G4VERBOSE << 63 G4double r = sumBR* G4UniformRand();
91 G4cout << " G4DecayTable::SelectADecayChan << 64 G4VDecayChannel *channel;
92 << " " << parent->GetParticle << 65 for (index= numberofchannels-1; index >=0 ; index--) {
93 #endif << 66 if (r < cumBR[index]) {
94 return nullptr; << 67 channel = (*channels)(index);
95 } << 68 break;
96 <<
97 const std::size_t MAX_LOOP = 10000; <<
98 for (std::size_t loop_counter = 0; loop_coun <<
99 G4double sum = 0.0; <<
100 G4double br = sumBR * G4UniformRand(); <<
101 // select decay channel <<
102 for (const auto channel : *channels) { <<
103 sum += channel->GetBR(); <<
104 if (!(channel->IsOKWithParentMass(parent <<
105 if (br < sum) return channel; <<
106 } 69 }
107 } 70 }
108 return nullptr; << 71 delete [] cumBR;
>> 72 return channel;
109 } 73 }
110 74
111 void G4DecayTable::DumpInfo() const 75 void G4DecayTable::DumpInfo() const
112 { 76 {
113 G4cout << "G4DecayTable: " << parent->GetPa << 77 G4cout << "G4DecayTable: " << parent->GetParticleName() << endl;
114 G4int index = 0; << 78 G4int numberofchannels = channels->entries();
115 for (const auto channel : *channels) { << 79 for (G4int index= numberofchannels -1; index >=0 ; index -=1)
>> 80 {
116 G4cout << index << ": "; 81 G4cout << index << ": ";
117 channel->DumpInfo(); << 82 ((*channels)(index))->DumpInfo();
118 index += 1; <<
119 } 83 }
120 G4cout << G4endl; << 84 G4cout << endl;
121 } 85 }
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122 97