Reorder.hpp

/*
  Copyright 2019 Equinor ASA

  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 REORDER_HPP
#define REORDER_HPP

#include <vector>

namespace Opm::Accelerator {

bool canBeStarted(const int rowIndex,
                  const int* rowPointers,
                  const int* colIndices,
                  const std::vector<bool>& doneRows);

void findLevelScheduling(const int* CSRColIndices,
                         const int* CSRRowPointers,
                         const int* CSCRowIndices,
                         const int* CSCColPointers,
                         int Nb,
                         int* numColors,
                         int* toOrder,
                         int* fromOrder,
                         std::vector<int>& rowsPerColor);

void csrPatternToCsc(const int* CSRColIndices,
                     const int* CSRRowPointers,
                     int* CSCRowIndices,
                     int* CSCColPointers,
                     int Nb);

} // namespace Opm::Accelerator

#endif