00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // Utility class to process contents of G4KineticTrackVector (input to 00027 // models' ::Propagate() interface) and decay any short-lived resonances. 00028 // Resulting daughters are added to vector (no function or return needed). 00029 // 00030 // Author: Michael Kelsey <kelsey@slac.stanford.edu> 00031 00032 #include "G4DecayKineticTracks.hh" 00033 #include "G4KineticTrackVector.hh" 00034 #include "G4KineticTrack.hh" 00035 00036 00037 // Decay all input tracks, put daughters onto end of list 00038 00039 G4DecayKineticTracks::G4DecayKineticTracks(G4KineticTrackVector *tracks) { 00040 if (tracks) Decay(tracks); 00041 } 00042 00043 void G4DecayKineticTracks::Decay(G4KineticTrackVector *tracks) const { 00044 if (!tracks) return; 00045 00046 G4KineticTrackVector* daughters = 0; 00047 for (size_t i=0; i<tracks->size(); ++i) { 00048 G4KineticTrack* track = (*tracks)[i]; 00049 if (!track) continue; 00050 00051 // Select decay of current track, put daughters at end of vector 00052 daughters = track->GetDefinition()->IsShortLived() ? track->Decay() : 0; 00053 if (daughters) { 00054 tracks->insert(tracks->end(), daughters->begin(), daughters->end()); 00055 delete track; // Remove parent track 00056 delete daughters; 00057 (*tracks)[i] = NULL; // Flag parent's slot for removal 00058 } 00059 } 00060 00061 // Find and remove null pointers created by decays above 00062 for (int j=tracks->size()-1; j>=0; --j) { 00063 if (NULL == (*tracks)[j]) tracks->erase(tracks->begin()+j); 00064 } 00065 }