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