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              : 
       8              : #include "DataStructures/Tensor/TypeAliases.hpp"
       9              : #include "Evolution/Systems/ForceFree/Tags.hpp"
      10              : #include "Utilities/TMPL.hpp"
      11              : 
      12              : /// \cond
      13              : template <typename T>
      14              : class Variables;
      15              : namespace Tags {
      16              : template <typename TagsList>
      17              : struct Variables;
      18              : }  // namespace Tags
      19              : /// \endcond
      20              : 
      21              : namespace ForceFree::subcell {
      22              : /*!
      23              :  * \brief Returns \f$\tilde{J}^i\f$, \f$\tilde{E}^i\f$, \f$\tilde{B}^i\f$,
      24              :  * \f$\tilde{\psi}\f$, \f$\tilde{\phi}\f$ and \f$\tilde{q}\f$ for FD
      25              :  * reconstruction.
      26              :  *
      27              :  * This mutator is passed to
      28              :  * `evolution::dg::subcell::Actions::SendDataForReconstruction`.
      29              :  */
      30            1 : class GhostVariables {
      31              :  private:
      32            0 :   using evolved_vars =
      33              :       tmpl::list<ForceFree::Tags::TildeE, ForceFree::Tags::TildeB,
      34              :                  ForceFree::Tags::TildePsi, ForceFree::Tags::TildePhi,
      35              :                  ForceFree::Tags::TildeQ>;
      36              : 
      37              :  public:
      38              :   // TildeJ is prepended to evolved_vars in the packed DataVector (see .cpp)
      39            0 :   using ghost_variables_tag_list =
      40              :       tmpl::push_front<evolved_vars, ForceFree::Tags::TildeJ>;
      41            0 :   using return_tags = tmpl::list<>;
      42            0 :   using argument_tags =
      43              :       tmpl::list<::Tags::Variables<evolved_vars>, ForceFree::Tags::TildeJ>;
      44              : 
      45            0 :   static DataVector apply(
      46              :       const Variables<evolved_vars>& vars,
      47              :       const tnsr::I<DataVector, 3, Frame::Inertial>& tilde_j, size_t rdmp_size);
      48              : };
      49              : }  // namespace ForceFree::subcell