Acts/TrackFitting/KalmanFitterError.hpp

0001 // This file is part of the Acts project.
0002 //
0003 // Copyright (C) 2019-2020 CERN for the benefit of the Acts project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include <system_error>
0012 #include <type_traits>
0013
0014 namespace Acts {
0015
0016 enum class KalmanFitterError {
0017   // ensure all values are non-zero
0018   ForwardUpdateFailed = 1,
0019   BackwardUpdateFailed,
0020   SmoothFailed,
0021   OutputConversionFailed,
0022   NoMeasurementFound,
0023   ReverseNavigationFailed,
0024 };
0025
0026 std::error_code make_error_code(Acts::KalmanFitterError e);
0027
0028 }  // namespace Acts
0029
0030 namespace std {
0031 // register with STL
0032 template <>
0033 struct is_error_code_enum<Acts::KalmanFitterError> : std::true_type {};
0034 }  // namespace std