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             : 
      10             : #include "DataStructures/DataBox/DataBox.hpp"
      11             : #include "DataStructures/DataBox/DataBoxTag.hpp"
      12             : #include "Domain/Tags.hpp" // IWYU pragma: keep
      13             : #include "Parallel/AlgorithmExecution.hpp"
      14             : #include "ParallelAlgorithms/Initialization/MutateAssign.hpp"
      15             : #include "Utilities/Literals.hpp"
      16             : #include "Utilities/TMPL.hpp"
      17             : #include "Utilities/TaggedTuple.hpp"
      18             : 
      19             : /// \cond
      20             : // IWYU pragma: no_forward_declare db::DataBox
      21             : namespace Parallel {
      22             : template <typename Metavariables>
      23             : class GlobalCache;
      24             : }  // namespace Parallel
      25             : namespace intrp {
      26             : namespace Tags {
      27             : struct NumberOfElements;
      28             : template <typename Metavariables>
      29             : struct InterpolatedVarsHolders;
      30             : template <typename Metavariables, typename TemporalId>
      31             : struct VolumeVarsInfo;
      32             : }  // namespace Tags
      33             : }  // namespace intrp
      34             : /// \endcond
      35             : 
      36             : namespace intrp {
      37             : namespace Actions {
      38             : 
      39             : /// \ingroup ActionsGroup
      40             : /// \brief Initializes an Interpolator
      41             : ///
      42             : /// Uses: nothing
      43             : ///
      44             : /// DataBox changes:
      45             : /// - Adds:
      46             : ///   - `Tags::NumberOfElements`
      47             : ///   - each tag in the template argument VolumeVarsInfos, which may either be a
      48             : ///     single `Tags::VolumeVarsInfo<Metavariables, TemporalId>` or a
      49             : ///     `tmpl::list` of multiple tags for `VolumeVarsInfo`.
      50             : ///   - `Tags::InterpolatedVarsHolders<Metavariables>`
      51             : /// - Removes: nothing
      52             : /// - Modifies: nothing
      53             : template <typename VolumeVarsInfos, typename InterpolatedVarsHolders>
      54           1 : struct InitializeInterpolator {
      55           0 :   using return_tag_list =
      56             :       tmpl::flatten<tmpl::list<Tags::NumberOfElements, VolumeVarsInfos,
      57             :                                InterpolatedVarsHolders>>;
      58             : 
      59           0 :   using simple_tags = return_tag_list;
      60           0 :   using compute_tags = tmpl::list<>;
      61             :   template <typename DbTagsList, typename... InboxTags, typename Metavariables,
      62             :             typename ArrayIndex, typename ActionList,
      63             :             typename ParallelComponent>
      64           0 :   static Parallel::iterable_action_return_t apply(
      65             :       db::DataBox<DbTagsList>& box,
      66             :       const tuples::TaggedTuple<InboxTags...>& /*inboxes*/,
      67             :       const Parallel::GlobalCache<Metavariables>& /*cache*/,
      68             :       const ArrayIndex& /*array_index*/, const ActionList /*meta*/,
      69             :       const ParallelComponent* const /*meta*/) {
      70             :     Initialization::mutate_assign<tmpl::list<Tags::NumberOfElements>>(
      71             :         make_not_null(&box), 0_st);
      72             :     return {Parallel::AlgorithmExecution::Continue, std::nullopt};
      73             :   }
      74             : };
      75             : 
      76             : }  // namespace Actions
      77             : }  // namespace intrp