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 <utility>
       8             : 
       9             : #include "DataStructures/DataBox/DataBox.hpp"
      10             : #include "Parallel/GlobalCache.hpp"
      11             : #include "Parallel/Invoke.hpp"
      12             : #include "ParallelAlgorithms/Interpolation/InterpolationTargetDetail.hpp"
      13             : #include "Utilities/Gsl.hpp"
      14             : #include "Utilities/TMPL.hpp"
      15             : 
      16             : /// \cond
      17             : namespace intrp {
      18             : template <typename Metavariables, typename InterpolationTargetTag>
      19             : struct InterpolationTarget;
      20             : namespace Actions {
      21             : template <typename InterpolationTargetTag>
      22             : struct InterpolationTargetReceiveVars;
      23             : }  // namespace Actions
      24             : }  // namespace intrp
      25             : /// \endcond
      26             : 
      27             : namespace intrp {
      28             : namespace Actions {
      29             : /// \ingroup ActionsGroup
      30             : /// \brief Sets up points on an `InterpolationTarget` at a new `temporal_id`
      31             : /// and sends these points to an `Interpolator`.
      32             : ///
      33             : /// The `iteration` parameter tags each set of points so the `Interpolator`
      34             : /// knows which are newer points and which are older points.
      35             : ///
      36             : /// \see `intrp::Actions::ReceivePoints`
      37             : ///
      38             : /// Uses:
      39             : /// - DataBox:
      40             : ///   - `domain::Tags::Domain<3>`
      41             : ///
      42             : /// DataBox changes:
      43             : /// - Adds: nothing
      44             : /// - Removes: nothing
      45             : /// - Modifies:
      46             : ///   - `Tags::IndicesOfFilledInterpPoints`
      47             : ///   - `Tags::IndicesOfInvalidInterpPoints`
      48             : ///   - `Tags::InterpolatedVars<InterpolationTargetTag, TemporalId>`
      49             : ///
      50             : /// For requirements on InterpolationTargetTag, see InterpolationTarget
      51             : template <typename InterpolationTargetTag>
      52           1 : struct SendPointsToInterpolator {
      53             :   template <typename ParallelComponent, typename DbTags, typename Metavariables,
      54             :             typename ArrayIndex, typename TemporalId>
      55           0 :   static void apply(db::DataBox<DbTags>& box,
      56             :                     Parallel::GlobalCache<Metavariables>& cache,
      57             :                     const ArrayIndex& /*array_index*/,
      58             :                     const TemporalId& temporal_id,
      59             :                     const size_t iteration = 0_st) {
      60             :     auto coords = InterpolationTarget_detail::block_logical_coords<
      61             :         InterpolationTargetTag>(box, cache, temporal_id);
      62             :     InterpolationTarget_detail::set_up_interpolation<InterpolationTargetTag>(
      63             :         make_not_null(&box), temporal_id, coords);
      64             : 
      65             :     // If all target points are invalid, we need to notify the target as no
      66             :     // interpolation is done.
      67             :     const auto& invalid_points =
      68             :         db::get<Tags::IndicesOfInvalidInterpPoints<TemporalId>>(box);
      69             :     if (invalid_points.count(temporal_id) > 0) {
      70             :       if (coords.size() == invalid_points.at(temporal_id).size()) {
      71             :         auto& receiver_proxy = Parallel::get_parallel_component<
      72             :             InterpolationTarget<Metavariables, InterpolationTargetTag>>(cache);
      73             :         // just send empty vectors for the data and global offsets.
      74             :         std::vector<Variables<
      75             :             typename InterpolationTargetTag::vars_to_interpolate_to_target>>
      76             :             vars{};
      77             :         std::vector<std::vector<size_t>> global_offsets{};
      78             :         Parallel::simple_action<
      79             :             Actions::InterpolationTargetReceiveVars<InterpolationTargetTag>>(
      80             :             receiver_proxy, vars, global_offsets, temporal_id);
      81             :       }
      82             :     }
      83             : 
      84             :     auto& receiver_proxy =
      85             :         Parallel::get_parallel_component<Interpolator<Metavariables>>(cache);
      86             :     Parallel::simple_action<Actions::ReceivePoints<InterpolationTargetTag>>(
      87             :         receiver_proxy, temporal_id, std::move(coords), iteration);
      88             :   }
      89             : };
      90             : 
      91             : }  // namespace Actions
      92             : }  // namespace intrp