Acts/Vertexing/VertexingError.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 VertexingError {
0017   // ensure all values are non-zero
0018   NumericFailure = 1,
0019   EmptyInput,
0020   SeedingError,
0021   NotConverged,
0022   ElementNotFound,
0023   NoCovariance,
0024   SingularMatrix,
0025   NonPositiveVariance,
0026   MatrixNotPositiveDefinite,
0027   InvalidInput,
0028 };
0029
0030 std::error_code make_error_code(Acts::VertexingError e);
0031
0032 }  // namespace Acts
0033
0034 namespace std {
0035 // register with STL
0036 template <>
0037 struct is_error_code_enum<Acts::VertexingError> : std::true_type {};
0038 }  // namespace std