From b04a3511ebd6dce76269cee886574b5c86757e04 Mon Sep 17 00:00:00 2001
From: noferini <9963644+noferini@users.noreply.github.com>
Date: Mon, 29 Apr 2024 11:40:42 +0200
Subject: [PATCH] fix in track length estimate for TPC only tracks

---
 Detectors/GlobalTracking/include/GlobalTracking/MatchTOF.h | 2 +-
 Detectors/GlobalTracking/src/MatchTOF.cxx                  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Detectors/GlobalTracking/include/GlobalTracking/MatchTOF.h b/Detectors/GlobalTracking/include/GlobalTracking/MatchTOF.h
index 0d0e2f40f5fbb..83f4dae0c2476 100644
--- a/Detectors/GlobalTracking/include/GlobalTracking/MatchTOF.h
+++ b/Detectors/GlobalTracking/include/GlobalTracking/MatchTOF.h
@@ -219,7 +219,7 @@ class MatchTOF
   void BestMatches(std::vector<o2::dataformats::MatchInfoTOFReco>& matchedTracksPairs, std::vector<o2::dataformats::MatchInfoTOF>* matchedTracks, std::vector<int>* matchedTracksIndex, int* matchedClustersIndex, const gsl::span<const o2::ft0::RecPoints>& FITRecPoints, const std::vector<Cluster>& TOFClusWork, const std::vector<matchTrack>* TracksWork, std::vector<o2::dataformats::CalibInfoTOF>& CalibInfoTOF, unsigned long Timestamp, bool MCTruthON, const o2::dataformats::MCTruthContainer<o2::MCCompLabel>* TOFClusLabels, const std::vector<o2::MCCompLabel>* TracksLblWork, std::vector<o2::MCCompLabel>* OutTOFLabels, float calibMaxChi2);
   void BestMatchesHP(std::vector<o2::dataformats::MatchInfoTOFReco>& matchedTracksPairs, std::vector<o2::dataformats::MatchInfoTOF>* matchedTracks, std::vector<int>* matchedTracksIndex, int* matchedClustersIndex, const gsl::span<const o2::ft0::RecPoints>& FITRecPoints, const std::vector<Cluster>& TOFClusWork, std::vector<o2::dataformats::CalibInfoTOF>& CalibInfoTOF, unsigned long Timestamp, bool MCTruthON, const o2::dataformats::MCTruthContainer<o2::MCCompLabel>* TOFClusLabels, const std::vector<o2::MCCompLabel>* TracksLblWork, std::vector<o2::MCCompLabel>* OutTOFLabels);
   bool propagateToRefX(o2::track::TrackParCov& trc, float xRef /*in cm*/, float stepInCm /*in cm*/, o2::track::TrackLTIntegral& intLT);
-  bool propagateToRefXWithoutCov(o2::track::TrackParCov& trc, float xRef /*in cm*/, float stepInCm /*in cm*/, float bz);
+  bool propagateToRefXWithoutCov(const o2::track::TrackParCov& trc, float xRef /*in cm*/, float stepInCm /*in cm*/, float bz);
 
   void updateTimeDependentParams();
 
diff --git a/Detectors/GlobalTracking/src/MatchTOF.cxx b/Detectors/GlobalTracking/src/MatchTOF.cxx
index 53e71083e3851..a384c489520fd 100644
--- a/Detectors/GlobalTracking/src/MatchTOF.cxx
+++ b/Detectors/GlobalTracking/src/MatchTOF.cxx
@@ -553,7 +553,7 @@ void MatchTOF::propagateTPCTracks(int sec)
     }
 
     if (trc.getX() < o2::constants::geom::XTPCOuterRef - 1.) {
-      if (!propagateToRefX(trc, o2::constants::geom::XTPCOuterRef, 10, intLT0) || TMath::Abs(trc.getZ()) > Geo::MAXHZTOF) { // we check that the propagat>
+      if (!propagateToRefXWithoutCov(trc, o2::constants::geom::XTPCOuterRef, 10, mBz) || TMath::Abs(trc.getZ()) > Geo::MAXHZTOF) { // we check that the propagat>
         mNotPropagatedToTOF[trkType::UNCONS]++;
         continue;
       }
@@ -1690,7 +1690,7 @@ bool MatchTOF::propagateToRefX(o2::track::TrackParCov& trc, float xRef, float st
 }
 
 //______________________________________________
-bool MatchTOF::propagateToRefXWithoutCov(o2::track::TrackParCov& trc, float xRef, float stepInCm, float bzField)
+bool MatchTOF::propagateToRefXWithoutCov(const o2::track::TrackParCov& trc, float xRef, float stepInCm, float bzField)
 {
   // propagate track to matching reference X without using the covariance matrix
   // we create the copy of the track in a TrackPar object (no cov matrix)