[PWGHF] Fix compilation warnings (AliceO2Group#8919)

Author: vkucera

PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx

@@ -436,7 +436,7 @@ struct HfTaskFlowCharmHadrons {
       return;
     }
     float occupancy = 0.;
-    uint16_t hfevflag;
+    uint16_t hfevflag{};
     if (occEstimator != 0) {
       occupancy = hfEvSel.getOccupancy(collision, occEstimator);
       registry.fill(HIST("trackOccVsFT0COcc"), collision.trackOccupancyInTimeRange(), collision.ft0cOccupancyInTimeRange());

PWGHF/HFC/Tasks/taskFlow.cxx

@@ -1396,7 +1396,7 @@ struct HfTaskFlow {
       int bin = binningWithTracksSize.getBin(binningValues);
 
       const auto multiplicity = tracks2.size(); // get multiplicity of charged hadrons, which is used for slicing in mixing
-      const auto vz = collision1.posZ();
+      // const auto vz = collision1.posZ();
 
       // TO BE DONE : ADD ONE MORE IF CONDITION TO FILL THE MC CASE
       // TODO : FILL NEW PLOTS FOR MCTRUTH ONLY
@@ -1535,7 +1535,7 @@ struct HfTaskFlow {
 
   void processSameTpcMftD0Ch(FilteredCollisionsWSelMult::iterator const& collision,
                              HfCandidatesSelD0 const& candidates,
-                             TracksWDcaSel const& tracks,
+                             TracksWDcaSel const& /*tracks*/,
                              aod::MFTTracks const& mftTracks)
   {
     auto fillEventSelectionPlots = true;
@@ -1565,7 +1565,7 @@ struct HfTaskFlow {
 
   void processSameTpcMftLcCh(FilteredCollisionsWSelMult::iterator const& collision,
                              HfCandidatesSelLc const& candidates,
-                             TracksWDcaSel const& tracks,
+                             TracksWDcaSel const& /*tracks*/,
                              aod::MFTTracks const& mftTracks)
   {
     auto fillEventSelectionPlots = true;
@@ -1756,7 +1756,7 @@ struct HfTaskFlow {
   void processMixedTpcMftD0Ch(FilteredCollisionsWSelMult const& collisions,
                               HfCandidatesSelD0 const& candidates,
                               aod::MFTTracks const& mftTracks,
-                              TracksWDcaSel const& tracks)
+                              TracksWDcaSel const& /*tracks*/)
   {
     //  we want to group collisions based on charged-track multiplicity
     auto getMultiplicity = [&collisions, this](FilteredCollisionsWSelMult::iterator const& collision) {

PWGHF/TableProducer/candidateCreatorXicToXiPiPi.cxx

@@ -320,7 +320,7 @@ struct HfCandidateCreatorXicToXiPiPi {
         pPrFromLambda = trackPosLambdaDaughter.p();
         nSigTpcPrFromLambda = trackPosLambdaDaughter.tpcNSigmaPr();
         nSigTofPrFromLambda = trackPosLambdaDaughter.tofNSigmaPr();
-      } else if (signXic == -1) {
+      } else {
         pPiFromLambda = trackPosLambdaDaughter.p();
         nSigTpcPiFromLambda = trackPosLambdaDaughter.tpcNSigmaPi();
         nSigTofPiFromLambda = trackPosLambdaDaughter.tofNSigmaPi();
@@ -584,7 +584,7 @@ struct HfCandidateCreatorXicToXiPiPi {
         pPrFromLambda = trackPosLambdaDaughter.p();
         nSigTpcPrFromLambda = trackPosLambdaDaughter.tpcNSigmaPr();
         nSigTofPrFromLambda = trackPosLambdaDaughter.tofNSigmaPr();
-      } else if (signXic == -1) {
+      } else {
         pPiFromLambda = trackPosLambdaDaughter.p();
         nSigTpcPiFromLambda = trackPosLambdaDaughter.tpcNSigmaPi();
         nSigTofPiFromLambda = trackPosLambdaDaughter.tofNSigmaPi();

PWGHF/Tasks/taskMultiplicityEstimatorCorrelation.cxx

@@ -101,7 +101,7 @@ struct HfTaskMultiplicityEstimatorCorrelation {
         if (particle.isPhysicalPrimary()) {
           bool isCharged = false;
           for (auto const& consideredParticle : consideredParticles) {
-            if (std::abs(particle.pdgCode()) == consideredParticle) {
+            if (static_cast<unsigned int>(std::abs(particle.pdgCode())) == consideredParticle) {
               isCharged = true;
               break;
             }