fix: CKF does an extra copy on the fitted state (#2568)

acts-project · Oct 28, 2023 · 9ba6e12 · 9ba6e12
1 parent 0e44bd2
commit 9ba6e12
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp b/Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp
@@ -575,7 +575,7 @@ class CombinatorialKalmanFilter {
                   }
                   result.lastError = res.error();
                 } else {
-                  auto fittedState = *res;
+                  const auto& fittedState = *res;
                   // Assign the fitted parameters
                   result.fittedParameters.emplace(
                       result.lastMeasurementIndices.at(result.iSmoothed),