Acts/TrackFitting/GlobalChiSquareFitterError.hpp

0001 // This file is part of the Acts project.
0002 //
0003 // Copyright (C) 2023 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::Experimental {
0015
0016 enum class GlobalChiSquareFitterError {
0017   // ensure all values are non-zero
0018   AIsNotInvertible = 1,
0019   DidNotConverge = 2,
0020   NotEnoughMeasurements = 3,
0021 };
0022
0023 std::error_code make_error_code(
0024     Acts::Experimental::GlobalChiSquareFitterError e);
0025
0026 }  // namespace Acts::Experimental
0027
0028 namespace std {
0029 // register with STL
0030 template <>
0031 struct is_error_code_enum<Acts::Experimental::GlobalChiSquareFitterError>
0032     : std::true_type {};
0033 }  // namespace std