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              : #include <tuple>
       9              : #include <utility>
      10              : 
      11              : #include "DataStructures/DataBox/DataBox.hpp"
      12              : #include "Evolution/DgSubcell/Actions/Labels.hpp"
      13              : #include "Evolution/DgSubcell/ActiveGrid.hpp"
      14              : #include "Evolution/DgSubcell/Tags/ActiveGrid.hpp"
      15              : #include "Parallel/AlgorithmExecution.hpp"
      16              : #include "ParallelAlgorithms/Actions/Goto.hpp"
      17              : #include "Utilities/ErrorHandling/Error.hpp"
      18              : #include "Utilities/TMPL.hpp"
      19              : 
      20              : /// \cond
      21              : namespace Parallel {
      22              : template <typename Metavariables>
      23              : class GlobalCache;
      24              : }  // namespace Parallel
      25              : namespace tuples {
      26              : template <typename...>
      27              : class TaggedTuple;
      28              : }  // namespace tuples
      29              : /// \endcond
      30              : 
      31              : namespace evolution::dg::subcell::Actions {
      32              : /*!
      33              :  * \brief Goes to `Labels::BeginDg` or `Labels::BeginSubcell` depending on
      34              :  * whether the active grid is `Dg` or `Subcell`.
      35              :  *
      36              :  * GlobalCache: nothing
      37              :  *
      38              :  * DataBox:
      39              :  * - Uses:
      40              :  *   - `subcell::Tags::ActiveGrid`
      41              :  */
      42            1 : struct SelectNumericalMethod {
      43              :   template <typename DbTagsList, typename... InboxTags, typename Metavariables,
      44              :             typename ArrayIndex, typename ActionList,
      45              :             typename ParallelComponent>
      46            0 :   static Parallel::iterable_action_return_t apply(
      47              :       db::DataBox<DbTagsList>& box,
      48              :       const tuples::TaggedTuple<InboxTags...>& /*inboxes*/,
      49              :       const Parallel::GlobalCache<Metavariables>& /*cache*/,
      50              :       const ArrayIndex& /*array_index*/, ActionList /*meta*/,
      51              :       const ParallelComponent* const /*meta*/) {
      52              :     // Note: we jump to the `Label+1` because the label actions don't do
      53              :     // anything anyway
      54              :     if (db::get<Tags::ActiveGrid>(box) == subcell::ActiveGrid::Dg) {
      55              :       const size_t dg_index =
      56              :           tmpl::index_of<ActionList, ::Actions::Label<Labels::BeginDg>>::value +
      57              :           1;
      58              :       return {Parallel::AlgorithmExecution::Continue, dg_index};
      59              :     } else if (db::get<Tags::ActiveGrid>(box) == subcell::ActiveGrid::Subcell) {
      60              :       const size_t subcell_index =
      61              :           tmpl::index_of<ActionList,
      62              :                          ::Actions::Label<Labels::BeginSubcell>>::value +
      63              :           1;
      64              :       return {Parallel::AlgorithmExecution::Continue, subcell_index};
      65              :     }
      66              :     ERROR(
      67              :         "Only know DG and subcell active grids for selecting the numerical "
      68              :         "method.");
      69              :   }
      70              : };
      71              : }  // namespace evolution::dg::subcell::Actions