From 77a285def2ebef9b2307f7a38cac0c27fb33a40a Mon Sep 17 00:00:00 2001
From: Hass AbouZeid <hass.abouzeid@cern.ch>
Date: Mon, 22 May 2017 11:00:10 +0000
Subject: [PATCH] Merge branch 'ATLASRECTS-4005_SAfix' into '21.0'
Fix for extremely rare bug in muon extrapolation
See merge request !1902
---
.../MuidTrackBuilder/src/CombinedMuonTrackBuilder.cxx | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Reconstruction/MuonIdentification/MuidTrackBuilder/src/CombinedMuonTrackBuilder.cxx b/Reconstruction/MuonIdentification/MuidTrackBuilder/src/CombinedMuonTrackBuilder.cxx
index 04ee7eb24b61..34324a7f4387 100755
--- a/Reconstruction/MuonIdentification/MuidTrackBuilder/src/CombinedMuonTrackBuilder.cxx
+++ b/Reconstruction/MuonIdentification/MuidTrackBuilder/src/CombinedMuonTrackBuilder.cxx
@@ -1599,9 +1599,9 @@ CombinedMuonTrackBuilder::standaloneFit (const Trk::Track& inputSpectrometerTrac
break;
}
}
- if ((**s).trackParameters()
+ if (s != prefit->trackStateOnSurfaces()->end()
&& s != prefit->trackStateOnSurfaces()->begin()
- && s != prefit->trackStateOnSurfaces()->end())
+ && (**s).trackParameters())
{
parameters = (**s).trackParameters()->clone();
caloParameters = parameters;
--
GitLab