Gabriele Cosmo
67 lines
2.9 KiB
C++
67 lines
2.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Utility class to process contents of G4KineticTrackVector (input to
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// models' ::Propagate() interface) and decay any short-lived resonances.
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// Resulting daughters are added to vector (no function or return needed).
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//
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// Author: Michael Kelsey <kelsey@slac.stanford.edu>
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#include "G4DecayKineticTracks.hh"
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#include "G4KineticTrackVector.hh"
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#include "G4KineticTrack.hh"
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// Decay all input tracks, put daughters onto end of list
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G4DecayKineticTracks::G4DecayKineticTracks(G4KineticTrackVector *tracks) {
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if (tracks) Decay(tracks);
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}
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void G4DecayKineticTracks::Decay(G4KineticTrackVector *tracks) const {
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if (!tracks) return;
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G4KineticTrackVector* daughters = 0;
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for (size_t i=0; i<tracks->size(); ++i) {
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G4KineticTrack* track = (*tracks)[i];
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if (!track) continue;
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// Select decay of current track, put daughters at end of vector
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daughters = track->GetDefinition()->IsShortLived() ? track->Decay() : 0;
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if (daughters) {
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tracks->insert(tracks->end(), daughters->begin(), daughters->end());
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delete track; // Remove parent track
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delete daughters;
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(*tracks)[i] = NULL; // Flag parent's slot for removal
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}
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}
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// Find and remove null pointers created by decays above
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for (int j=tracks->size()-1; j>=0; --j) {
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if (NULL == (*tracks)[j]) tracks->erase(tracks->begin()+j);
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}
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}
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