[PWGJE] Jet finding: Pass input particles as const (#18424)

Author: vkucera

PWGJE/Core/JetFinder.cxx

@@ -60,7 +60,7 @@ void JetFinder::setParams()
 /// \param inputParticles vector of input particles/tracks
 /// \param jets veector of jets to be filled
 /// \return ClusterSequenceArea object needed to access constituents
-fastjet::ClusterSequenceArea JetFinder::findJets(std::vector<fastjet::PseudoJet>& inputParticles, std::vector<fastjet::PseudoJet>& jets) // ideally find a way of passing the cluster sequence as a reeference
+fastjet::ClusterSequenceArea JetFinder::findJets(std::vector<fastjet::PseudoJet> const& inputParticles, std::vector<fastjet::PseudoJet>& jets) // ideally find a way of passing the cluster sequence as a reference
 {
   setParams();
   jets.clear();

PWGJE/Core/JetFinder.h

@@ -46,7 +46,7 @@ class JetFinder
   /// \param inputParticles vector of input particles/tracks
   /// \param jets veector of jets to be filled
   /// \return ClusterSequenceArea object needed to access constituents
-  // fastjet::ClusterSequenceArea findJets(std::vector<fastjet::PseudoJet> &inputParticles, std::vector<fastjet::PseudoJet> &jets);
+  // fastjet::ClusterSequenceArea findJets(std::vector<fastjet::PseudoJet> const& inputParticles, std::vector<fastjet::PseudoJet>& jets);
 
   float phiMin = -1. * M_PI;
   float phiMax = 2. * M_PI;
@@ -92,7 +92,7 @@ class JetFinder
   /// \param inputParticles vector of input particles/tracks
   /// \param jets veector of jets to be filled
   /// \return ClusterSequenceArea object needed to access constituents
-  fastjet::ClusterSequenceArea findJets(std::vector<fastjet::PseudoJet>& inputParticles, std::vector<fastjet::PseudoJet>& jets); // ideally find a way of passing the cluster sequence as a reeference
+  fastjet::ClusterSequenceArea findJets(std::vector<fastjet::PseudoJet> const& inputParticles, std::vector<fastjet::PseudoJet>& jets); // ideally find a way of passing the cluster sequence as a reference
 
  private:
   ClassDefNV(JetFinder, 1);

PWGJE/Core/JetFindingUtilities.h

@@ -284,7 +284,7 @@ bool analyseV0s(std::vector<fastjet::PseudoJet>& inputParticles, T const& v0s, f
  * @param doHFJetFinding set whether only jets containing a HF candidate are saved
  */
 template <typename T, typename U, typename V>
-void findJets(JetFinder& jetFinder, std::vector<fastjet::PseudoJet>& inputParticles, float jetPtMin, float jetPtMax, std::vector<double> jetRadius, float jetAreaFractionMin, T const& collision, U& jetsTable, V& constituentsTable, const std::shared_ptr<THn>& thnSparseJet, bool fillThnSparse, bool doCandidateJetFinding = false)
+void findJets(JetFinder& jetFinder, std::vector<fastjet::PseudoJet> const& inputParticles, float jetPtMin, float jetPtMax, std::vector<double> jetRadius, float jetAreaFractionMin, T const& collision, U& jetsTable, V& constituentsTable, const std::shared_ptr<THn>& thnSparseJet, bool fillThnSparse, bool doCandidateJetFinding = false)
 {
   auto jetRValues = static_cast<std::vector<double>>(std::move(jetRadius));
   jetFinder.jetPtMin = jetPtMin;