CMS 3D CMS Logo

Functions
cloneDecayTree.cc File Reference
#include "CommonTools/CandUtils/interface/cloneDecayTree.h"
#include "DataFormats/Candidate/interface/CompositeCandidate.h"

Go to the source code of this file.

Functions

unique_ptr< CandidatecloneDecayTree (const Candidate &c)
 

Function Documentation

unique_ptr<Candidate> cloneDecayTree ( const Candidate c)

Definition at line 6 of file cloneDecayTree.cc.

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

6  {
7  size_t n = c.numberOfDaughters();
8  if (n == 1) return unique_ptr<Candidate>(c.clone());
9  // pass a particle, not a candidate, to avoid cloning daughters
10  const Candidate &p = c;
11  auto cmp = std::make_unique<CompositeCandidate>(p);
12  for(size_t i = 0; i < n; ++ i)
13  cmp->addDaughter(cloneDecayTree(* c.daughter(i)));
14  return cmp;
15 }
virtual const Candidate * daughter(size_type i) const =0
return daughter at a given position, i = 0, ... numberOfDaughters() - 1 (read only mode) ...
virtual Candidate * clone() const =0
returns a clone of the Candidate object
unique_ptr< Candidate > cloneDecayTree(const Candidate &c)
virtual size_type numberOfDaughters() const =0
number of daughters