From ae07c6fb064ffdc52d1749ccdca3e757568fd764 Mon Sep 17 00:00:00 2001
From: Paul Gessinger <paul.gessinger@cern.ch>
Date: Fri, 24 May 2019 13:15:30 +0200
Subject: [PATCH] MultiTrajectory: extract 0,0 component for chi2
---
Core/include/Acts/Fitter/GainMatrixUpdater.hpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Core/include/Acts/Fitter/GainMatrixUpdater.hpp b/Core/include/Acts/Fitter/GainMatrixUpdater.hpp
index 2250f42a0..d25ef394e 100644
--- a/Core/include/Acts/Fitter/GainMatrixUpdater.hpp
+++ b/Core/include/Acts/Fitter/GainMatrixUpdater.hpp
@@ -117,7 +117,8 @@ class GainMatrixUpdater {
trackState.chi2() =
(residual.transpose() *
((cov_t::Identity() - H * K) * calibrated_covariance).inverse() *
- residual);
+ residual)
+ .eval()(0, 0);
});
return Result<void>::success();
--
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