NMuonTightSelector.cxx

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/*
   Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 */
 
#include "TopEventSelectionTools/NMuonTightSelector.h"
 
#include <algorithm>
 
namespace top {
  NMuonTightSelector::NMuonTightSelector(const std::string& params) :
    SignValueSelector("MU_N_TIGHT", params, true) {
    checkMultiplicityIsInteger();
  }
 
  bool NMuonTightSelector::apply(const top::Event& event) const {
    auto func = [&](const xAOD::Muon* muPtr) {
                  return muPtr->pt() > value() && muPtr->auxdataConst<char>("passPreORSelection");
                };
    auto count = std::count_if(event.m_muons.begin(), event.m_muons.end(), func);
 
    return checkInt(count, multiplicity());
  }
 
  bool NMuonTightSelector::applyParticleLevel(const top::ParticleLevelEvent& event) const {
    // If any of the required collections is a nullptr (i.e. has not been
    // loaded) return false.
    if (not event.m_muons) {
      return false;
    }
 
    auto func = [&](const xAOD::TruthParticle* truMuPtr) {
                  return truMuPtr->pt() > value();
                };
    auto count = std::count_if(event.m_muons->begin(), event.m_muons->end(), func);
    return checkInt(count, multiplicity());
  }
}