Remove unnecessary templetization

Author: Marcellocosti

PWGHF/TableProducer/candidateCreator2Prong.cxx

@@ -913,11 +913,7 @@ struct HfCandidateCreator2ProngExpressions {
         }
         continue;
       }
-      if (matchCorrBkgs) {
-        hf_mc_gen::fillMcMatchGen2Prong<true>(mcParticles, mcParticlesPerMcColl, rowMcMatchGen, rejectBackground);
-      } else {
-        hf_mc_gen::fillMcMatchGen2Prong<false>(mcParticles, mcParticlesPerMcColl, rowMcMatchGen, rejectBackground);
-      }
+      hf_mc_gen::fillMcMatchGen2Prong(mcParticles, mcParticlesPerMcColl, rowMcMatchGen, rejectBackground, matchCorrelatedBackgrounds.value);
     }
   }
 

PWGHF/TableProducer/candidateCreator3Prong.cxx

@@ -1202,11 +1202,7 @@ struct HfCandidateCreator3ProngExpressions {
         }
         continue;
       }
-      if (matchCorrBkgs) {
-        hf_mc_gen::fillMcMatchGen3Prong<true>(mcParticles, mcParticlesPerMcColl, rowMcMatchGen, rejectBackground, mothersCorrBkgsPdgs.value);
-      } else {
-        hf_mc_gen::fillMcMatchGen3Prong<false>(mcParticles, mcParticlesPerMcColl, rowMcMatchGen, rejectBackground);
-      }
+      hf_mc_gen::fillMcMatchGen3Prong(mcParticles, mcParticlesPerMcColl, rowMcMatchGen, rejectBackground, matchCorrelatedBackgrounds ? mothersCorrBkgsPdgs.value : std::vector<int>{});
     }
   }
 

PWGHF/TableProducer/candidateCreatorMcGen.cxx

@@ -55,10 +55,10 @@ struct HfCandidateCreatorMcGen {
     for (const auto& mcCollision : mcCollisions) {
       const auto mcParticlesPerMcColl = mcParticles.sliceBy(mcParticlesPerMcCollision, mcCollision.globalIndex());
       if (fill2Prong) {
-        hf_mc_gen::fillMcMatchGen2Prong<false>(mcParticles, mcParticlesPerMcColl, rowMcMatchGen2Prong, rejectBackground2Prong);
+        hf_mc_gen::fillMcMatchGen2Prong(mcParticles, mcParticlesPerMcColl, rowMcMatchGen2Prong, rejectBackground2Prong, false);
       }
       if (fill3Prong) {
-        hf_mc_gen::fillMcMatchGen3Prong<false>(mcParticles, mcParticlesPerMcColl, rowMcMatchGen3Prong, rejectBackground3Prong);
+        hf_mc_gen::fillMcMatchGen3Prong(mcParticles, mcParticlesPerMcColl, rowMcMatchGen3Prong, rejectBackground3Prong, std::vector<int>{});
       }
     }
     if (fillBplus) {

PWGHF/Utils/utilsMcGen.h

@@ -36,8 +36,8 @@
 namespace hf_mc_gen
 {
 
-template <bool matchCorrBkgs, typename T, typename U, typename V>
-void fillMcMatchGen2Prong(T const& mcParticles, U const& mcParticlesPerMcColl, V& rowMcMatchGen, bool rejectBackground)
+template <typename T, typename U, typename V>
+void fillMcMatchGen2Prong(T const& mcParticles, U const& mcParticlesPerMcColl, V& rowMcMatchGen, bool rejectBackground, bool matchCorrelatedBackgrounds)
 {
   using namespace o2::constants::physics;
   constexpr std::size_t NDaughtersResonant{2u};
@@ -121,7 +121,7 @@ void fillMcMatchGen2Prong(T const& mcParticles, U const& mcParticlesPerMcColl, V
   }
 }
 
-template <bool matchCorrBkgs, typename T, typename U, typename V>
+template <typename T, typename U, typename V>
 void fillMcMatchGen3Prong(T const& mcParticles, U const& mcParticlesPerMcColl, V& rowMcMatchGen, bool rejectBackground, std::vector<int> const& corrBkgMothersPdgs = {})
 {
   using namespace o2::constants::physics;
@@ -147,7 +147,7 @@ void fillMcMatchGen3Prong(T const& mcParticles, U const& mcParticlesPerMcColl, V
       continue;
     }
 
-    if (matchCorrBkgs) {
+    if (corrBkgMothersPdgs.size() > 0) {
       for (const auto& motherPdgCode : corrBkgMothersPdgs) {
         if (std::abs(particle.pdgCode()) != motherPdgCode) {
           continue; // Skip if the particle PDG code does not match the mother PDG code