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ElementMarkHandle.hpp
//===========================================================================
//
// File: ElementMarkHandle.hpp
//
// Created: June 2 2025
//
// Author(s): Antonella Ritorto <antonella.ritorto@opm-op.com>
// Markus Blatt <markus.blatt@opm-op.com>
//
// $Date$
//
// $Revision$
//
//===========================================================================
/*
Copyright 2025 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 OPM_ELEMENTMARKHANDLE_HEADER
#define OPM_ELEMENTMARKHANDLE_HEADER
#include <opm/grid/cpgrid/Entity.hpp>
namespace
{
struct ElementMarkHandle {
using DataType = int;
explicit ElementMarkHandle(std::vector<DataType>& winningMark)
: winningMark_(winningMark)
{}
bool fixedSize(std::size_t, std::size_t)
{
// For each element, gather/scatter its mark (0, 1, or -1).
return true;
}
bool contains(std::size_t, std::size_t codim)
{
// Only communicate values attached to cells.
return codim == 0;
}
template <class T> // T = Entity<0>
std::size_t size([[maybe_unused]] const T& element)
{
return 1;
}
// Gather element mark (0: do nothing, 1: refine, -1 coarse - not supported yet)
template <class B, class T> // T = Entity<0>
void gather(B& buffer, const T& element)
{
buffer.write( winningMark_[element.index()] );
}
// Scatter element mark. Rewrite mark to the maximum.
template <class B, class T> // T = Entity<0>
void scatter(B& buffer, const T& element, [[maybe_unused]] std::size_t size)
{
DataType tmp_mark;
buffer.read(tmp_mark);
winningMark_[element.index()] = std::max(winningMark_[element.index()], tmp_mark);
}
private:
std::vector<DataType>& winningMark_;
};
} // namespace
#endif