From 3a507b8603ab2ac951ca2c03f276525edd9f9174 Mon Sep 17 00:00:00 2001
From: Wouter Deconinck <wdconinc@gmail.com>
Date: Sun, 1 Dec 2024 09:46:40 -0600
Subject: [PATCH] fix: static_cast<float>(sqrt(...)) to avoid c++-narrowing
 warning/error (again) (#1682)

### Briefly, what does this PR introduce?
#1675 again see there.
---
 src/algorithms/tracking/TrackPropagation.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/algorithms/tracking/TrackPropagation.cc b/src/algorithms/tracking/TrackPropagation.cc
index bafe82f42f..6ad4e98138 100644
--- a/src/algorithms/tracking/TrackPropagation.cc
+++ b/src/algorithms/tracking/TrackPropagation.cc
@@ -295,7 +295,7 @@ void TrackPropagation::propagateToSurfaceList(
 
         // time
         const float time{static_cast<float>(parameter(Acts::eBoundTime))};
-        const float timeError{sqrt(static_cast<float>(covariance(Acts::eBoundTime, Acts::eBoundTime)))};
+        const float timeError{static_cast<float>(sqrt(covariance(Acts::eBoundTime, Acts::eBoundTime)))};
 
         // Direction
         const float theta(parameter[Acts::eBoundTheta]);