Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 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 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 /// \file GB05BOptrSplitAndKillByCrossSection. 28 /// \brief Implementation of the GB05BOptrSpli 29 30 #include "GB05BOptrSplitAndKillByCrossSection. 31 32 #include "GB05BOptnSplitAndKillByCrossSection. 33 34 #include "G4BiasingProcessInterface.hh" 35 #include "G4ParticleDefinition.hh" 36 #include "G4ParticleTable.hh" 37 #include "G4VProcess.hh" 38 39 //....oooOO0OOooo........oooOO0OOooo........oo 40 41 GB05BOptrSplitAndKillByCrossSection::GB05BOptr 42 43 : G4VBiasingOperator(name), fSetup(true) 44 { 45 fParticleToBias = G4ParticleTable::GetPartic 46 47 if (fParticleToBias == 0) { 48 G4ExceptionDescription ed; 49 ed << "Particle `" << particleName << "' n 50 G4Exception("GB05BOptrSplitAndKillByCrossS 51 } 52 53 fSplitAndKillByCrossSection = 54 new GB05BOptnSplitAndKillByCrossSection("s 55 } 56 57 //....oooOO0OOooo........oooOO0OOooo........oo 58 59 GB05BOptrSplitAndKillByCrossSection::~GB05BOpt 60 { 61 delete fSplitAndKillByCrossSection; 62 } 63 64 //....oooOO0OOooo........oooOO0OOooo........oo 65 66 void GB05BOptrSplitAndKillByCrossSection::Star 67 { 68 // --------------- 69 // -- Setup stage: 70 // --------------- 71 // -- Start by collecting the pointer of the 72 // -- considered for the splitting by cross- 73 // -- this also verifies that these physics 74 // -- under control of a G4BiasingProcessInt 75 if (fSetup) { 76 const G4ProcessManager* processManager = f 77 const G4BiasingProcessSharedData* sharedDa 78 G4BiasingProcessInterface::GetSharedData 79 if (sharedData) { 80 for (size_t i = 0; i < fProcessesToEquip 81 G4bool processFound(false); 82 for (size_t j = 0; j < (sharedData->Ge 83 const G4BiasingProcessInterface* wra 84 (sharedData->GetPhysicsBiasingProc 85 if (fProcessesToEquipoise[i] == wrap 86 fProcesses.push_back(wrapperProces 87 processFound = true; 88 break; 89 } 90 } 91 if (!processFound) { 92 G4String particleName = "(unknown)"; 93 if (fParticleToBias != nullptr) { 94 particleName = fParticleToBias->Ge 95 } 96 G4ExceptionDescription ed; 97 ed << "Process `" << fProcessesToEqu 98 << particleName << "'" << G4endl; 99 G4Exception("GB05BOptrSplitAndKillBy 100 JustWarning, ed); 101 } 102 } 103 } 104 fSetup = false; 105 } 106 107 if (fProcessesToEquipoise.size() == 0 || fPr 108 G4ExceptionDescription ed; 109 ed << "No processes to counterbalance for 110 << "Biasing will do nothing." << G4endl 111 G4Exception("GB05BOptrSplitAndKillByCrossS 112 } 113 } 114 115 //....oooOO0OOooo........oooOO0OOooo........oo 116 117 G4VBiasingOperation* GB05BOptrSplitAndKillByCr 118 const G4Track* track, const G4BiasingProcess 119 { 120 // ----------------------------------------- 121 // -- Check if current particle type is the 122 // ----------------------------------------- 123 if (track->GetDefinition() != fParticleToBia 124 125 // ----------------------------------------- 126 // -- Compute the total cross-section for th 127 // -- considered. 128 // -- These physics processes have been upda 129 // -- state by their related wrapper G4Biasi 130 // -- the cross-sections/mean free pathes ar 131 // ----------------------------------------- 132 G4double totalCrossSection(0.0); 133 for (size_t i = 0; i < fProcesses.size(); i+ 134 G4double interactionLength = fProcesses[i] 135 if (interactionLength < DBL_MAX / 10.) tot 136 } 137 if (totalCrossSection < DBL_MIN) return 0; 138 139 G4double totalInteractionLength = 1. / total 140 141 // ----------------------------------------- 142 // -- Passes the updated "absorption" cross- 143 // -- to the biasing operation, and returns 144 // ----------------------------------------- 145 fSplitAndKillByCrossSection->SetInteractionL 146 147 return fSplitAndKillByCrossSection; 148 } 149 150 void GB05BOptrSplitAndKillByCrossSection::AddP 151 { 152 fProcessesToEquipoise.push_back(processName) 153 } 154