Acts/Propagator/EigenStepperError.hpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 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 https://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 EigenStepperError {
0017   // ensure all values are non-zero
0018   StepSizeStalled = 1,
0019   StepInvalid,
0020   StepSizeAdjustmentFailed,
0021 };
0022
0023 std::error_code make_error_code(EigenStepperError e);
0024
0025 }  // namespace Acts
0026
0027 namespace std {
0028 // register with STL
0029 template <>
0030 struct is_error_code_enum<Acts::EigenStepperError> : std::true_type {};
0031 }  // namespace std