Utilities/detail/QuaternionFromTwoVectorsDouble.cpp

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 // GCC (>=12) emits a spurious -Wmaybe-uninitialized from inside Eigen's SVD
0010 // code used by setFromTwoVectors; suppress it for this translation unit.
0011 #if defined(__GNUC__) && !defined(__clang__) && __GNUC__ >= 12
0012 #pragma GCC diagnostic push
0013 #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
0014 #endif
0015
0016 #include <Eigen/Dense>
0017
0018 namespace Acts::detail {
0019
0020 Eigen::Quaternion<double> quaternionFromTwoVectors(
0021     const Eigen::Matrix<double, 3, 1>& a,
0022     const Eigen::Matrix<double, 3, 1>& b) {
0023   return Eigen::Quaternion<double>().setFromTwoVectors(a, b);
0024 }
0025
0026 }  // namespace Acts::detail
0027
0028 #if defined(__GNUC__) && !defined(__clang__) && __GNUC__ >= 12
0029 #pragma GCC diagnostic pop
0030 #endif