RSTConv.hpp

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/*
  Copyright 2023 SINTEF Digital
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef OPM_RST_CONV_HEADER_INCLUDED
#define OPM_RST_CONV_HEADER_INCLUDED
 
#include <array>
#include <functional>
#include <vector>
 
#include <opm/simulators/utils/ParallelCommunication.hpp>
 
namespace Opm {
 
namespace data { class Solution; }
class RSTConfig;
 
class RSTConv
{
public:
    using LocalToGlobalCellFunc = std::function<int(const int)>;
    RSTConv(LocalToGlobalCellFunc globalCell,
            Parallel::Communication comm)
        : globalCell_(std::move(globalCell))
        , comm_(comm)
    {}
 
    void init(const std::size_t numCells,
              const RSTConfig& rst_config,
              const std::array<int,6>& compIdx);
 
    void outputRestart(data::Solution& sol);
 
    template<class ResidualVector>
    void update(const ResidualVector& resid);
 
    const std::vector<std::vector<int>>& getData() const
    { return cnv_X_; }
 
private:
    template<class ResidualVector>
    void gatherAndAccumulate(const std::vector<int>& lIdx,
                             const ResidualVector& resid, int comp);
 
    LocalToGlobalCellFunc globalCell_; 
    Parallel::Communication comm_; 
    std::vector<std::vector<int>> cnv_X_{}; 
    std::array<int,6> compIdx_{}; 
    int N_ = 0; 
};
 
} // namespace Opm
 
#endif // OPM_RST_CONV_HEADER_INCLUDED