Store TPC track A/C side info in TrackExtra.fFlags unused bits

Author: shahor02

Detectors/AOD/src/AODProducerWorkflowSpec.cxx

@@ -2645,6 +2645,12 @@ AODProducerWorkflowDPL::TrackExtraInfo AODProducerWorkflowDPL::processBarrelTrac
     if (tpcOrig.getdEdx().dEdxTotTPC == 0) {
       extraInfoHolder.flags |= o2::aod::track::TPCdEdxAlt;
     }
+    if (tpcOrig.hasASideClusters()) {
+      extraInfoHolder.flags |= o2::aod::track::TPCSideA;
+    }
+    if (tpcOrig.hasCSideClusters()) {
+      extraInfoHolder.flags |= o2::aod::track::TPCSideC;
+    }
     extraInfoHolder.tpcInnerParam = tpcOrig.getP() / tpcOrig.getAbsCharge();
     extraInfoHolder.tpcChi2NCl = tpcOrig.getNClusters() ? tpcOrig.getChi2() / tpcOrig.getNClusters() : 0;
     extraInfoHolder.tpcSignal = dEdx.dEdxTotTPC;

Framework/Core/include/Framework/DataTypes.h

@@ -51,6 +51,8 @@ enum TrackFlags : uint32_t {
   OrphanTrack = 0x4,         // Track has no association with any collision vertex
   TrackTimeAsym = 0x8,       // track with an asymmetric time range
   TPCdEdxAlt = 0x10,         // TPCSignal and tpcNClsFindableMinusPID correspond for alternative dEdx since the nominal was 0
+  TPCSideA = 0x20,           // TPC track has A-side clusters (if any)
+  TPCSideC = 0x40,           // TPC track has C-side clusters (if any)
   // NOTE Highest 4 (29..32) bits reserved for PID hypothesis
 };
 enum TrackFlagsRun2Enum {