LevelHierarchy.hpp

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//===========================================================================
//
// File: LevelHierarchy.hpp
//
// Created: Sep 17 21:11:41 2013
//
// Author(s): Atgeirr F Rasmussen <atgeirr@sintef.no>
//            Bård Skaflestad     <bard.skaflestad@sintef.no>
//            Markus Blatt        <markus@dr-blatt.de>
//            Antonella Ritorto   <antonella.ritorto@opm-op.com>
//
// Comment: Major parts of this file originated in dune/grid/CpGrid.hpp
//          and got transfered here during refactoring for the parallelization.
//
// $Date$
//
// $Revision$
//
//===========================================================================
 
/*
  Copyright 2009, 2010 SINTEF ICT, Applied Mathematics.
  Copyright 2009, 2010, 2013, 2022-2023 Equinor ASA.
  Copyright 2013 Dr. Blatt - HPC-Simulation-Software & Services
 
  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_LEVELHIERARCHY_HEADER
#define OPM_LEVELHIERARCHY_HEADER
 
#include <array>
#include <memory>
#include <tuple>
#include <vector>
 
namespace Dune
{
namespace cpgrid
{
 
class CpGridData;
 
struct LevelHierarchy
{
    std::vector<int> mark;
    int level{0};
    std::vector<std::shared_ptr<CpGridData>>* level_data_ptr{};
    // SUITABLE FOR ALL LEVELS EXCEPT FOR LEAFVIEW
    std::vector<int> level_to_leaf_cells;  // In entry 'level cell index', we store 'leafview cell index'  // {level LGR, {child0, child1, ...}}
    std::vector<std::tuple<int,std::vector<int>>> parent_to_children_cells;  // {# children in x-direction, ... y-, ... z-}
    std::array<int,3> cells_per_dim;
    // SUITABLE ONLY FOR LEAFVIEW  // {level, cell index in that level}
    std::vector<std::array<int,2>> leaf_to_level_cells;
    std::vector<std::array<int,2>> corner_history;
    // SUITABLE FOR ALL LEVELS INCLUDING LEAFVIEW  // {level parent cell, parent cell index}
    std::vector<std::array<int,2>> child_to_parent_cells;
    std::vector<int> cell_to_idxInParentCell;
    int refinement_max_level{0};
};
 
} // namespace cpgrid
} // namespace Dune
 
#endif // OPM_LEVELHIERARCHY_HEADER