constexpr->const for std::fabs()-initialized variable (macOS-arm concession)

Author: lubynets

DPG/Tasks/TPC/tpcSkimsTableCreator.cxx

@@ -100,7 +100,7 @@ struct TreeWriterTpcV0 {
 
   // an arbitrary value of N sigma TOF assigned by TOF task to tracks which are not matched to TOF hits
   constexpr static float NSigmaTofUnmatched{o2::aod::v0data::kNoTOFValue};
-  constexpr static float NSigmaTofUnmatchedEqualityTolerance{std::fabs(NSigmaTofUnmatched) / 1e4f};
+  const float nSigmaTofUnmatchedEqualityTolerance{std::fabs(NSigmaTofUnmatched) / 1e4f};
   // an arbitrary value of "N sigma TOF" assigned to electorns (for uniformity reasons)
   constexpr static float NSigmaTofElectorn{1000.f};
 
@@ -451,8 +451,8 @@ struct TreeWriterTpcV0 {
 
         const bool passTrackSelection = isTrackSelected(dauTrack, trackSelection);
         const bool passDownsamplig = downsampleTsalisCharged(fRndm, dauTrack.pt(), daughter.downsamplingTsalis, daughter.mass, sqrtSNN, daughter.maxPt4dwnsmplTsalis);
-        const bool passNSigmaTofCut = std::fabs(daughter.tofNSigma) < daughter.nSigmaTofDauTrack || std::fabs(daughter.tofNSigma - NSigmaTofUnmatched) < NSigmaTofUnmatchedEqualityTolerance;
-        const bool passMatchTofRequirement = !daughter.rejectNoTofDauTrack || std::fabs(daughter.tofNSigma - NSigmaTofUnmatched) > NSigmaTofUnmatchedEqualityTolerance;
+        const bool passNSigmaTofCut = std::fabs(daughter.tofNSigma) < daughter.nSigmaTofDauTrack || std::fabs(daughter.tofNSigma - NSigmaTofUnmatched) < nSigmaTofUnmatchedEqualityTolerance;
+        const bool passMatchTofRequirement = !daughter.rejectNoTofDauTrack || std::fabs(daughter.tofNSigma - NSigmaTofUnmatched) > nSigmaTofUnmatchedEqualityTolerance;
         if (passTrackSelection && passDownsamplig && passNSigmaTofCut && passMatchTofRequirement) {
           occupancyValues occValues{};
           if constexpr (ModeId == ModeWithTrkQA) {