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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  if (tracks) Decay(tracks);
41 }
42 
44  if (!tracks) return;
45 
46  G4KineticTrackVector* daughters = 0;
47  for (size_t i=0; i<tracks->size(); ++i) {
48  G4KineticTrack* track = (*tracks)[i];
49  if (!track) continue;
50 
51  // Select decay of current track, put daughters at end of vector
52  daughters = track->GetDefinition()->IsShortLived() ? track->Decay() : 0;
53 
54  if (daughters) {
55  tracks->insert(tracks->end(), daughters->begin(), daughters->end());
56  delete track; // Remove parent track
57  delete daughters;
58  (*tracks)[i] = NULL; // Flag parent's slot for removal
59  }
60  }
61 
62  // Find and remove null pointers created by decays above
63  for (int j=tracks->size()-1; j>=0; --j) {
64  if (NULL == (*tracks)[j]) tracks->erase(tracks->begin()+j);
65  }
66 }
G4KineticTrackVector * Decay()
G4DecayKineticTracks(G4KineticTrackVector *tracks=0)
void Decay(G4KineticTrackVector *tracks) const
const G4ParticleDefinition * GetDefinition() const