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G4DecayKineticTracks.cc
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25 //
26 // Utility class to process contents of G4KineticTrackVector (input to
27 // models' ::Propagate() interface) and decay any short-lived resonances.
28 // Resulting daughters are added to vector (no function or return needed).
29 //
30 // Author: Michael Kelsey <kelsey@slac.stanford.edu>
31 
32 #include "G4DecayKineticTracks.hh"
33 #include "G4KineticTrackVector.hh"
34 #include "G4KineticTrack.hh"
35 
36 
37 // Decay all input tracks, put daughters onto end of list
38 
40 
41  if (tracks) Decay(tracks);
42 }
43 
45 
46  if (!tracks) return;
47 
48  G4KineticTrackVector* daughters = 0;
49  for (size_t i=0; i<tracks->size(); ++i) {
50  G4KineticTrack* track = (*tracks)[i];
51  if (!track) continue;
52 
53  // Select decay of current track, put daughters at end of vector
54  daughters = track->GetDefinition()->IsShortLived() ? track->Decay() : 0;
55 
56  if (daughters) {
57  tracks->insert(tracks->end(), daughters->begin(), daughters->end());
58  delete track; // Remove parent track
59  delete daughters;
60  (*tracks)[i] = NULL; // Flag parent's slot for removal
61  }
62  }
63 
64  // Find and remove null pointers created by decays above
65  for (int j=tracks->size()-1; j>=0; --j) {
66  if (NULL == (*tracks)[j]) tracks->erase(tracks->begin()+j);
67  }
68 }
const G4ParticleDefinition * GetDefinition() const
G4DecayKineticTracks(G4KineticTrackVector *tracks=0)
void Decay(G4KineticTrackVector *tracks) const
G4KineticTrackVector * Decay()