43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
/*
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Copyright 2014 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_GRIDUTILITIES_HEADER_INCLUDED
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#define OPM_GRIDUTILITIES_HEADER_INCLUDED
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#include <opm/core/grid.h>
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#include <opm/core/utility/SparseTable.hpp>
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namespace Opm
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{
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/// For each cell, find indices of all cells sharing a vertex with it.
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/// \param[in] grid A grid object.
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/// \return A table of neighbour cell-indices by cell.
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SparseTable<int> cellNeighboursAcrossVertices(const UnstructuredGrid& grid);
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/// For each cell, order the (cell) neighbours counterclockwise.
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/// \param[in] grid A 2d grid object.
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/// \param[in, out] nb A cell-cell neighbourhood table, such as from vertexNeighbours().
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void orderCounterClockwise(const UnstructuredGrid& grid,
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SparseTable<int>& nb);
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} // namespace Opm
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#endif // OPM_GRIDUTILITIES_HEADER_INCLUDED
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