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EigenStepperError.hpp
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1 // This file is part of the Acts project.
2 //
3 // Copyright (C) 2019-2020 CERN for the benefit of the Acts project
4 //
5 // This Source Code Form is subject to the terms of the Mozilla Public
6 // License, v. 2.0. If a copy of the MPL was not distributed with this
7 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 
9 #pragma once
10 
11 #include <system_error>
12 #include <type_traits>
13 
14 namespace Acts {
15 
16 enum class EigenStepperError {
17  // ensure all values are non-zero
18  StepSizeStalled = 1,
19  StepInvalid,
20  StepSizeAdjustmentFailed,
21 };
22 
23 std::error_code make_error_code(EigenStepperError e);
24 
25 } // namespace Acts
26 
27 namespace std {
28 // register with STL
29 template <>
30 struct is_error_code_enum<Acts::EigenStepperError> : std::true_type {};
31 } // namespace std