1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4DecayTable.cc,v 1.8 2006/06/29 19:25:02 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | // ------------------------------------------------------------ |
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32 | // GEANT 4 class implementation file |
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33 | // |
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34 | // History: first implementation, based on object model of |
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35 | // 27 July 1996 H.Kurashige |
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36 | // ---------------------------------------- |
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37 | // implementation for STL 14 Feb. 2000 H.Kurashige |
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38 | // ------------------------------------------------------------ |
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39 | |
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40 | #include "globals.hh" |
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41 | #include "G4DecayTable.hh" |
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42 | #include "Randomize.hh" |
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43 | |
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44 | G4DecayTable::G4DecayTable():parent(0) |
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45 | { |
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46 | channels = new G4VDecayChannelVector; |
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47 | } |
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48 | |
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49 | G4DecayTable::~G4DecayTable() |
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50 | { |
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51 | // remove and delete all contents |
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52 | G4VDecayChannelVector::iterator i; |
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53 | for (i = channels->begin(); i!= channels->end(); ++i) { |
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54 | delete (*i); |
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55 | } |
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56 | channels->clear(); |
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57 | delete channels; |
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58 | channels = 0; |
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59 | } |
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60 | |
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61 | void G4DecayTable::Insert( G4VDecayChannel * aChannel){ |
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62 | if (parent == 0) { parent = (G4ParticleDefinition*)(aChannel->GetParent()); } |
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63 | if (parent != aChannel->GetParent()) { |
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64 | #ifdef G4VERBOSE |
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65 | G4cout << " G4DecayTable::Insert :: bad G4VDecayChannel (mismatch parent) "; |
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66 | G4cout << " " << parent->GetParticleName(); |
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67 | G4cout << " input:" << aChannel->GetParent()->GetParticleName() << G4endl; |
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68 | #endif |
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69 | } else { |
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70 | G4double r = aChannel->GetBR(); |
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71 | G4VDecayChannelVector::iterator i; |
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72 | for (i = channels->begin(); i!= channels->end(); ++i) { |
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73 | if (r > (*i)->GetBR()) { |
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74 | channels->insert(i,aChannel); |
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75 | return; |
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76 | } |
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77 | } |
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78 | channels->push_back(aChannel); |
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79 | } |
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80 | } |
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81 | |
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82 | G4VDecayChannel *G4DecayTable::SelectADecayChannel() |
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83 | { |
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84 | // check if contents exist |
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85 | if (channels->size()<1) return 0; |
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86 | |
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87 | while (1) { |
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88 | G4double sumBR = 0.0; |
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89 | G4double r= G4UniformRand(); |
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90 | // select decay channel |
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91 | G4VDecayChannelVector::iterator i; |
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92 | for (i = channels->begin(); i!= channels->end(); ++i) { |
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93 | sumBR += (*i)->GetBR(); |
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94 | if (r < sumBR) { |
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95 | return (*i); |
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96 | } |
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97 | } |
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98 | } |
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99 | return 0; |
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100 | } |
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101 | |
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102 | void G4DecayTable::DumpInfo() const |
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103 | { |
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104 | G4cout << "G4DecayTable: " << parent->GetParticleName() << G4endl; |
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105 | G4int index =0; |
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106 | G4VDecayChannelVector::iterator i; |
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107 | for (i = channels->begin(); i!= channels->end(); ++i) { |
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108 | G4cout << index << ": "; |
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109 | (*i)->DumpInfo(); |
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110 | index +=1; |
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111 | } |
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112 | G4cout << G4endl; |
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113 | } |
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114 | |
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