opm-simulators/opm/simulators/flow/countGlobalCells.hpp

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/*
Copyright 2013, 2015 SINTEF ICT, Applied Mathematics.
Copyright 2014, 2015 Dr. Blatt - HPC-Simulation-Software & Services
Copyright 2014, 2015 Statoil ASA.
Copyright 2015 NTNU
Copyright 2015 IRIS AS
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_COUNTGLOBALCELLS_HEADER_INCLUDED
#define OPM_COUNTGLOBALCELLS_HEADER_INCLUDED
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#include <opm/core/props/BlackoilPhases.hpp>
#include <dune/grid/common/gridview.hh>
#include <any>
#include <vector>
namespace Opm {
namespace detail {
std::vector<int> buildAllCells(const int nc);
template <class PU>
std::vector<bool>
activePhases(const PU& pu)
{
const int maxnp = BlackoilPhases::MaxNumPhases;
std::vector<bool> active(maxnp, false);
for (int p = 0; p < pu.MaxNumPhases; ++p) {
active[ p ] = pu.phase_used[ p ] != 0;
}
return active;
}
template <class PU>
std::vector<int>
active2Canonical(const PU& pu)
{
const int maxnp = BlackoilPhases::MaxNumPhases;
std::vector<int> act2can(maxnp, -1);
for (int phase = 0; phase < maxnp; ++phase) {
if (pu.phase_used[ phase ]) {
act2can[ pu.phase_pos[ phase ] ] = phase;
}
}
return act2can;
}
double getGravity(const double* g, const int dim);
/// \brief Get the number of local interior cells in a grid.
/// \tparam The type of the DUNE grid.
/// \param grid The grid which cells we count
/// \return The number of interior cell in the partition of the
/// grid stored on this process.
template<class Grid>
std::size_t countLocalInteriorCells(const Grid& grid)
{
if ( grid.comm().size() == 1)
{
return grid.size(0);
}
std::size_t count = 0;
const auto& gridView = grid.leafGridView();
for(auto cell = gridView.template begin<0, Dune::Interior_Partition>(),
endCell = gridView.template end<0, Dune::Interior_Partition>();
cell != endCell; ++cell)
{
++count;
}
return count;
}
/// \brief Get the number of cells of a global grid.
///
/// In a parallel run this is the number of cells that a grid would
/// have if the whole grid was stored on one process only.
/// \tparam The type of the DUNE grid.
/// \param grid The grid which cells we count
/// \return The global number of cells.
template<class Grid>
std::size_t countGlobalCells(const Grid& grid)
{
if ( grid.comm().size() == 1)
{
return grid.size(0);
}
std::size_t count = countLocalInteriorCells(grid);
return grid.comm().sum(count);
}
} // namespace detail
} // namespace Opm
#endif // OPM_BLACKOILDETAILS_HEADER_INCLUDED