From c310c8572aebc4eaf696ea948e219b247e5b32d9 Mon Sep 17 00:00:00 2001
From: lintao <lintao51@gmail.com>
Date: Wed, 15 Jun 2022 21:32:44 +0800
Subject: [PATCH] update the code to use
 decltype(edm4hep::TrackState::covMatrix).

---
 Service/TrackSystemSvc/src/LCIOTrackPropagators.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Service/TrackSystemSvc/src/LCIOTrackPropagators.cc b/Service/TrackSystemSvc/src/LCIOTrackPropagators.cc
index 22fb8665..a5ab0265 100644
--- a/Service/TrackSystemSvc/src/LCIOTrackPropagators.cc
+++ b/Service/TrackSystemSvc/src/LCIOTrackPropagators.cc
@@ -100,7 +100,7 @@ namespace LCIOTrackPropagators{
     
     CLHEP::HepSymMatrix covPrime =  cov0.similarity(propagatorMatrix);
     
-    std::array<float,15> cov;
+    decltype(edm4hep::TrackState::covMatrix) cov;
     
     icov = 0 ;
     
-- 
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