MultiBlockLevelIntegrator.hpp

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// Copyright (c) 2020 Maikel Nadolski
//
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// of this software and associated documentation files (the "Software"), to deal
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// furnished to do so, subject to the following conditions:
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#ifndef FUB_AMREX_MULTI_BLOCK_LEVEL_INTEGRATOR_HPP
#define FUB_AMREX_MULTI_BLOCK_LEVEL_INTEGRATOR_HPP
 
#include "fub/AMReX/multi_block/MultiBlockIntegratorContext.hpp"
 
#include <functional>
 
namespace fub::amrex {
 
template <typename Adapter, typename LevelIntegrator>
class MultiBlockLevelIntegrator {
private:
  Adapter map_;
  LevelIntegrator level_integrator_;
 
public:
  static constexpr int Rank = LevelIntegrator::Rank;
 
  MultiBlockLevelIntegrator(Adapter adapter, LevelIntegrator level_integrator)
      : map_(std::move(adapter)),
        level_integrator_(std::move(level_integrator)) {}
 
  Duration ComputeStableDt(int level) {
    return level_integrator_.ComputeStableDt(level);
  }
 
  /// \brief Integrates the source term for each tube in the specified context
  [[nodiscard]] Result<void, TimeStepTooLarge>
  AdvanceLevel(MultiBlockIntegratorContext& context, int level, Duration dt,
               const ::amrex::IntVect& ngrow = ::amrex::IntVect(0)) {
    return std::invoke(map_, context, level_integrator_, level, dt, ngrow);
  }
};
 
} // namespace fub::amrex
 
#endif