[PWGHF] XicToXiPiPi: Add MC process function to candidate selector and restructure lite/full KF output tables (AliceO2Group#11941)

Author: pstahlhu

PWGHF/DataModel/CandidateReconstructionTables.h

@@ -1844,7 +1844,7 @@ namespace hf_cand_xic_to_xi_pi_pi
 {
 DECLARE_SOA_INDEX_COLUMN_FULL(Pi0, pi0, int, Tracks, "_pi0");
 DECLARE_SOA_INDEX_COLUMN_FULL(Pi1, pi1, int, Tracks, "_pi1");
-DECLARE_SOA_COLUMN(Sign, sign, float);
+DECLARE_SOA_COLUMN(Sign, sign, int8_t);
 DECLARE_SOA_COLUMN(InvMassXicPlus, invMassXicPlus, float);
 DECLARE_SOA_COLUMN(InvMassXi, invMassXi, float);
 DECLARE_SOA_COLUMN(InvMassLambda, invMassLambda, float);

PWGHF/TableProducer/candidateCreatorXicToXiPiPi.cxx

@@ -300,7 +300,7 @@ struct HfCandidateCreatorXicToXiPiPi {
 
       //----------------------------calculate physical properties-----------------------
       // Charge of charm baryon
-      int signXic = casc.sign() < 0 ? +1 : -1;
+      int8_t signXic = casc.sign() < 0 ? +1 : -1;
 
       // get SV properties
       const auto& secondaryVertex = df.getPCACandidate();
@@ -561,7 +561,7 @@ struct HfCandidateCreatorXicToXiPiPi {
 
       //---------------------calculate physical parameters of XicPlus candidate----------------------
       // sign of charm baryon
-      int signXic = casc.sign() < 0 ? +1 : -1;
+      int8_t signXic = casc.sign() < 0 ? +1 : -1;
 
       // transport XicPlus daughters to XicPlus decay vertex (secondary vertex)
       float secondaryVertex[3] = {0.};
@@ -1073,7 +1073,7 @@ struct HfCandidateCreatorXicToXiPiPiExpressions {
 
       // Fill tables
       rowMcMatchRec(flag, origin);
-      if (fillResidualTable) {
+      if (flag != 0 && fillResidualTable) {
         rowResiduals(origin, momentumResiduals[0], momentumResiduals[1],
                      pvResiduals[0], pvResiduals[1], pvResiduals[2],
                      pvPulls[0], pvPulls[1], pvPulls[2],