.. _program_listing_file_include_beluga_eigen_compatibility.hpp:

Program Listing for File eigen_compatibility.hpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_beluga_eigen_compatibility.hpp>` (``include/beluga/eigen_compatibility.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2024 Ekumen, Inc.
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef BELUGA_EIGEN_COMPATIBILITY_HPP
   #define BELUGA_EIGEN_COMPATIBILITY_HPP
   
   #include <Eigen/Dense>
   
   #if (EIGEN_WORLD_VERSION < 3) || (EIGEN_WORLD_VERSION == 3 && EIGEN_MAJOR_VERSION < 4)
   namespace Eigen {  // NOLINT(readability-identifier-naming)
   template <typename Scalar, int Dims>
   using Vector = Eigen::Matrix<Scalar, Dims, 1>;
   template <typename Scalar>
   using Vector3 = Eigen::Matrix<Scalar, 3, 1>;
   template <typename Scalar>
   using Matrix3X = Eigen::Matrix<Scalar, 3, Eigen::Dynamic>;
   }  // namespace Eigen
   #endif
   
   #endif  // BELUGA_EIGEN_COMPATIBILITY_HPP