Acts/Propagator/NavigatorError.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 /// Error codes for navigator operations
0017 enum class NavigatorError {
0018   // ensure all values are non-zero
0019   NotInsideExpectedVolume = 1,
0020   NotOnExpectedSurface = 2,
0021 };
0022
0023 /// Create error code from NavigatorError
0024 /// @param e The error code enum value
0025 /// @return Standard error code
0026 std::error_code make_error_code(Acts::NavigatorError e);
0027
0028 }  // namespace Acts
0029
0030 // register with STL
0031 namespace std {
0032 template <>
0033 struct is_error_code_enum<Acts::NavigatorError> : std::true_type {};
0034 }  // namespace std