TimeIntegrator.hpp

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// Copyright (c) 2019 Maikel Nadolski
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
 
#ifndef FUB_AMREX_HYPERBOLIC_SPLIT_TIME_INTEGRATOR_HPP
#define FUB_AMREX_HYPERBOLIC_SPLIT_TIME_INTEGRATOR_HPP
 
#include "fub/AMReX/IntegratorContext.hpp"
#include "fub/Direction.hpp"
#include "fub/Duration.hpp"
#include "fub/State.hpp"
 
#include <AMReX.H>
#include <AMReX_Geometry.H>
#include <AMReX_MultiFab.H>
 
#include <memory>
 
namespace fub::amrex {
 
template <typename Tag> struct ForwardIntegrator {
  ForwardIntegrator() = default;
  explicit ForwardIntegrator(Tag) {}
 
  void UpdateConservatively(::amrex::MultiFab& dest,
                            const ::amrex::MultiFab& src,
                            const ::amrex::MultiFab& fluxes,
                            const ::amrex::Geometry& geom, Duration dt,
                            Direction dir);
 
  void UpdateConservatively(IntegratorContext& context, int level, Duration dt,
                            Direction dir);
};
 
ForwardIntegrator()->ForwardIntegrator<execution::OpenMpSimdTag>;
 
extern template struct ForwardIntegrator<execution::SequentialTag>;
extern template struct ForwardIntegrator<execution::OpenMpTag>;
extern template struct ForwardIntegrator<execution::SimdTag>;
extern template struct ForwardIntegrator<execution::OpenMpSimdTag>;
 
inline ForwardIntegrator<execution::OpenMpSimdTag>
EulerForwardTimeIntegrator() {
  return {};
}
 
template <typename Tag> ForwardIntegrator<Tag> EulerForwardTimeIntegrator(Tag) {
  return {};
}
 
} // namespace fub::amrex
 
#endif