Tags.hpp

// Distributed under the MIT License.
// See LICENSE.txt for details.
 
#pragma once
 
#include <string>
 
#include "DataStructures/DataBox/PrefixHelpers.hpp"
#include "DataStructures/DataBox/Tag.hpp"
#include "DataStructures/DataBox/TagName.hpp"
#include "Elliptic/BoundaryConditions/BoundaryConditionType.hpp"
#include "Options/Options.hpp"
#include "Utilities/TaggedTuple.hpp"
 
namespace elliptic {
namespace OptionTags {
 
template <typename Tag>
struct BoundaryConditionType {
  static std::string name() noexcept { return db::tag_name<Tag>(); }
  using type = elliptic::BoundaryConditionType;
  static constexpr Options::String help =
      "Type of boundary conditions to impose on this variable";
};
 
}  // namespace OptionTags
 
namespace Tags {
 
/// The `elliptic::BoundaryConditionType` to impose on the variable represented
/// by `Tag`, e.g. Dirichlet or Neumann boundary conditions
template <typename Tag>
struct BoundaryConditionType : db::PrefixTag, db::SimpleTag {
  using type = elliptic::BoundaryConditionType;
  using tag = Tag;
};
 
/// The `elliptic::BoundaryConditionType` to impose on the variables represented
/// by `Tags`, e.g. Dirichlet or Neumann boundary conditions
template <typename Tags>
struct BoundaryConditionTypes : db::SimpleTag {
  using type = tuples::tagged_tuple_from_typelist<
      db::wrap_tags_in<elliptic::Tags::BoundaryConditionType, Tags>>;
};
 
}  // namespace Tags
}  // namespace elliptic