PFTauDecayModeTools.h

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#ifndef RecoTauTag_RecoTau_PFTauDecayModeTools_h
#define RecoTauTag_RecoTau_PFTauDecayModeTools_h

/*
 * Tools to help deal with the PFTau::hadronicDecayMode
 * defintion.
 *
 * Author: Evan K. Friis, UC Davis
 *
 */

#include "DataFormats/TauReco/interface/PFTau.h"

// Forward declaration
namespace reco {
  class GenJet;
}

namespace reco {
  namespace tau {

    unsigned int chargedHadronsInDecayMode(PFTau::hadronicDecayMode mode);

    unsigned int piZerosInDecayMode(PFTau::hadronicDecayMode mode);

    PFTau::hadronicDecayMode translateDecayMode(unsigned int nCharged, unsigned int nPiZero);

    PFTau::hadronicDecayMode translateGenDecayModeToReco(const std::string& genName);

    std::string translateRecoDecayModeToGen(PFTau::hadronicDecayMode decayMode);

    PFTau::hadronicDecayMode getDecayMode(const reco::GenJet* genJet);

  }  // namespace tau
}  // namespace reco

#endif