cloneDecayTree.h File Reference

#include "DataFormats/Candidate/interface/CandidateFwd.h"
#include <memory>

Go to the source code of this file.

Functions
std::unique_ptr< reco::Candidate >	cloneDecayTree (const reco::Candidate &)

Function Documentation

std::unique_ptr<reco::Candidate> cloneDecayTree

(

const reco::Candidate &

)

Definition at line 6 of file cloneDecayTree.cc.

References reco::CompositeCandidate::addDaughter(), EnergyCorrector::c, reco::Candidate::clone(), reco::Candidate::daughter(), mps_fire::i, eostools::move(), gen::n, reco::Candidate::numberOfDaughters(), and AlCaHLTBitMon_ParallelJobs::p.

                                                          {
  size_t n = c.numberOfDaughters();
  if (n == 1) return unique_ptr<Candidate>(c.clone());
  // pass a particle, not a candidate, to avoid cloning daughters 
  const Candidate &p = c;
  CompositeCandidate * cmp(new CompositeCandidate(p));
  unique_ptr<Candidate> cmpPtr(cmp);
  for(size_t i = 0; i < n; ++ i)
    cmp->addDaughter(cloneDecayTree(* c.daughter(i)));
  return std::move(cmpPtr);
}