Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include <cstddef>
       7              : #include <optional>
       8              : 
       9              : #include "DataStructures/DataBox/Tag.hpp"
      10              : #include "DataStructures/DataVector.hpp"
      11              : #include "DataStructures/Tensor/Tensor.hpp"
      12              : #include "Domain/Tags.hpp"
      13              : #include "Domain/TagsTimeDependent.hpp"
      14              : #include "Evolution/DgSubcell/ActiveGrid.hpp"
      15              : #include "Evolution/DgSubcell/Tags/ActiveGrid.hpp"
      16              : #include "Evolution/DgSubcell/Tags/Mesh.hpp"
      17              : #include "ParallelAlgorithms/Events/Tags.hpp"
      18              : #include "Utilities/TMPL.hpp"
      19              : 
      20              : /// \cond
      21              : namespace gsl {
      22              : template <typename T>
      23              : class not_null;
      24              : }  // namespace gsl
      25              : template <size_t Dim>
      26              : class Mesh;
      27              : /// \endcond
      28              : 
      29              : namespace evolution::dg::subcell::Tags {
      30              : /*!
      31              :  * \brief Computes the mesh velocity on the active grid.
      32              :  */
      33              : template <size_t Dim>
      34            1 : struct ObserverMeshVelocityCompute
      35              :     : db::ComputeTag,
      36              :       ::Events::Tags::ObserverMeshVelocity<Dim, Frame::Inertial> {
      37            0 :   using base = ::Events::Tags::ObserverMeshVelocity<Dim, Frame::Inertial>;
      38            0 :   using return_type = typename base::type;
      39            0 :   using argument_tags =
      40              :       tmpl::list<ActiveGrid, ::domain::Tags::MeshVelocity<Dim, Frame::Inertial>,
      41              :                  ::domain::Tags::Mesh<Dim>,
      42              :                  evolution::dg::subcell::Tags::Mesh<Dim>>;
      43              : 
      44            0 :   static void function(
      45              :       gsl::not_null<return_type*> active_mesh_velocity,
      46              :       subcell::ActiveGrid active_grid,
      47              :       const std::optional<tnsr::I<DataVector, Dim, Frame::Inertial>>&
      48              :           dg_mesh_velocity,
      49              :       const ::Mesh<Dim>& dg_mesh, const ::Mesh<Dim>& subcell_mesh);
      50              : };
      51              : }  // namespace evolution::dg::subcell::Tags