CaloClusterVariables.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "tauRecTools/CaloClusterVariables.h"
 
#include "xAODCaloEvent/CaloVertexedTopoCluster.h"
 
#include <cmath>
 
const double CaloClusterVariables::DEFAULT = -1111.;
 
//****************************************
// constructor
//****************************************
 
CaloClusterVariables::CaloClusterVariables() :
  m_numConstit(static_cast<int>(DEFAULT)){
  }
 
//*******************************************
// update/fill the cluster based variables
//*******************************************
 
bool CaloClusterVariables::update(const xAOD::TauJet& pTau) {
    
  const auto& vertexedClusterList = pTau.vertexedClusters();
 
  std::vector<TLorentzVector> clusterP4Vector;
  clusterP4Vector.reserve(vertexedClusterList.size());
 
  for (const xAOD::CaloVertexedTopoCluster& vertexedCluster : vertexedClusterList) {
    clusterP4Vector.push_back(vertexedCluster.p4());
  }
 
  this->m_numConstit = std::ssize(clusterP4Vector);
 
  return true;
}