Initialize variables

Author: JinjooSeo

PWGDQ/Tasks/dqEfficiency_withAssoc_direct.cxx

@@ -331,14 +331,14 @@ struct AnalysisEventSelection {
 
   HistogramManager* fHistMan = nullptr;
 
-  AnalysisCompositeCut* fEventCut;
+  AnalysisCompositeCut* fEventCut = nullptr;
 
-  Service<o2::ccdb::BasicCCDBManager> fCCDB;
+  Service<o2::ccdb::BasicCCDBManager> fCCDB{};
   o2::ccdb::CcdbApi fCCDBApi;
 
   std::map<int64_t, bool> fSelMap;                     // key: reduced event global index, value: event selection decision
   std::map<uint64_t, std::vector<int64_t>> fBCCollMap; // key: global BC, value: vector of reduced event global indices
-  int fCurrentRun;
+  int fCurrentRun = -1;
 
   void init(o2::framework::InitContext& context)
   {
@@ -592,16 +592,16 @@ struct AnalysisTrackSelection {
   Configurable<std::string> fConfigMCSignals{"cfgTrackMCSignals", "", "Comma separated list of MC signals"};
   Configurable<std::string> fConfigMCSignalsJSON{"cfgTrackMCsignalsJSON", "", "Additional list of MC signals via JSON"};
 
-  Service<o2::ccdb::BasicCCDBManager> fCCDB;
-  Service<o2::pid::tof::TOFResponse> fTofResponse;
+  Service<o2::ccdb::BasicCCDBManager> fCCDB{};
+  Service<o2::pid::tof::TOFResponse> fTofResponse{};
 
-  HistogramManager* fHistMan;
+  HistogramManager* fHistMan = nullptr;
   std::vector<AnalysisCompositeCut*> fTrackCuts;
   std::vector<MCSignal*> fMCSignals; // list of signals to be checked
   std::vector<TString> fHistNamesReco;
   std::vector<TString> fHistNamesMCMatched;
 
-  int fCurrentRun; // current run (needed to detect run changes for loading CCDB parameters)
+  int fCurrentRun = 0; // current run (needed to detect run changes for loading CCDB parameters)
 
   std::map<int64_t, std::vector<int64_t>> fNAssocsInBunch;    // key: track global index, value: vector of global index for events associated in-bunch (events that have in-bunch pileup or splitting)
   std::map<int64_t, std::vector<int64_t>> fNAssocsOutOfBunch; // key: track global index, value: vector of global index for events associated out-of-bunch (events that have no in-bunch pileup)
@@ -938,9 +938,9 @@ struct AnalysisPrefilterSelection {
   Configurable<bool> fPropTrack{"cfgPropTrack", false, "Propagate tracks to associated collision to recalculate DCA and momentum vector"};
 
   std::map<uint32_t, uint32_t> fPrefilterMap;
-  AnalysisCompositeCut* fPairCut;
-  uint32_t fPrefilterMask;
-  int fPrefilterCutBit;
+  AnalysisCompositeCut* fPairCut = nullptr;
+  uint32_t fPrefilterMask = 0;
+  int fPrefilterCutBit = -1;
 
   Preslice<aod::TrackAssoc> trackAssocsPerCollision = aod::track_association::collisionId;
 
@@ -1131,7 +1131,7 @@ struct AnalysisSameEventPairing {
   Produces<aod::OniaMCTruth> MCTruthTableEffi;
 
   o2::base::MatLayerCylSet* fLUT = nullptr;
-  int fCurrentRun; // needed to detect if the run changed and trigger update of calibrations etc.
+  int fCurrentRun = 0; // needed to detect if the run changed and trigger update of calibrations etc.
 
   OutputObj<THashList> fOutputList{"output"};
 
@@ -1178,11 +1178,11 @@ struct AnalysisSameEventPairing {
     Configurable<std::string> geoPath{"geoPath", "GLO/Config/GeometryAligned", "Path of the geometry file"};
   } fConfigCCDB;
 
-  Service<o2::ccdb::BasicCCDBManager> fCCDB;
+  Service<o2::ccdb::BasicCCDBManager> fCCDB{};
   // PDG database
-  Service<o2::framework::O2DatabasePDG> pdgDB;
+  Service<o2::framework::O2DatabasePDG> pdgDB{};
 
-  HistogramManager* fHistMan;
+  HistogramManager* fHistMan = nullptr;
 
   // vectors needed for PV recomputation
   std::vector<int64_t> pvContribGlobIDs;
@@ -1202,14 +1202,14 @@ struct AnalysisSameEventPairing {
   std::vector<AnalysisCut*> fMCGenAccCuts;
   bool fUseMCGenAccCut = false;
 
-  uint32_t fTrackFilterMask; // mask for the track cuts required in this task to be applied on the barrel cuts produced upstream
-  uint32_t fMuonFilterMask;  // mask for the muon cuts required in this task to be applied on the muon cuts produced upstream
-  int fNCutsBarrel;
-  int fNCutsMuon;
-  int fNPairCuts;
+  uint32_t fTrackFilterMask = 0; // mask for the track cuts required in this task to be applied on the barrel cuts produced upstream
+  uint32_t fMuonFilterMask = 0;  // mask for the muon cuts required in this task to be applied on the muon cuts produced upstream
+  int fNCutsBarrel = 0;
+  int fNCutsMuon = 0;
+  int fNPairCuts = 0;
   bool fHasTwoProngGenMCsignals = false;
 
-  bool fEnableBarrelHistos;
+  bool fEnableBarrelHistos = false;
   // bool fEnableMuonHistos;
 
   Preslice<soa::Join<aod::TrackAssoc, aod::BarrelTrackCuts, aod::Prefilter>> trackAssocsPerCollision = aod::track_association::collisionId;
@@ -2285,21 +2285,21 @@ struct AnalysisDileptonTrack {
     Configurable<std::string> fConfigMCGenSignalHadronJSON{"cfgMCGenSignalHadronJSON", "", "generator level hadron signal (JSON format), used for MC level combinatorics"};
   } fConfigMCOptions;
 
-  int fCurrentRun; // needed to detect if the run changed and trigger update of calibrations etc.
-  int fNCuts;
-  int fNLegCuts;
-  int fNPairCuts;
-  int fNCommonTrackCuts;
+  int fCurrentRun = 0; // needed to detect if the run changed and trigger update of calibrations etc.
+  int fNCuts = 0;
+  int fNLegCuts = 0;
+  int fNPairCuts = 0;
+  int fNCommonTrackCuts = 0;
   std::map<int, int> fCommonTrackCutMap;
-  uint32_t fTrackCutBitMap; // track cut bit mask to be used in the selection of tracks associated with dileptons
+  uint32_t fTrackCutBitMap = 0; // track cut bit mask to be used in the selection of tracks associated with dileptons
   // vector for single-lepton and track cut names for easy access when calling FillHistogramList()
   std::vector<TString> fTrackCutNames;
   std::vector<TString> fLegCutNames;
   // vector for pair cut names, used mainly for pairs built via the asymmetric pairing task
   std::vector<TString> fPairCutNames;
   std::vector<TString> fCommonPairCutNames;
 
-  Service<o2::ccdb::BasicCCDBManager> fCCDB;
+  Service<o2::ccdb::BasicCCDBManager> fCCDB{};
 
   // TODO: The filter expressions seem to always use the default value of configurables, not the values from the actual configuration file
   Filter eventFilter = aod::dqanalysisflags::isEventSelected > static_cast<uint32_t>(0);
@@ -2308,14 +2308,14 @@ struct AnalysisDileptonTrack {
   // Filter filterMuon = aod::dqanalysisflags::isMuonSelected > static_cast<uint32_t>(0);
 
   // use two values array to avoid mixing up the quantities
-  float* fValuesDilepton;
-  float* fValuesHadron;
-  HistogramManager* fHistMan;
+  float* fValuesDilepton = nullptr;
+  float* fValuesHadron = nullptr;
+  HistogramManager* fHistMan = nullptr;
 
   std::vector<MCSignal*> fRecMCSignals;
   std::vector<MCSignal*> fGenMCSignals;
-  MCSignal* fDileptonLegSignal;
-  MCSignal* fHadronSignal;
+  MCSignal* fDileptonLegSignal = nullptr;
+  MCSignal* fHadronSignal = nullptr;
 
   void init(o2::framework::InitContext& context)
   {