gridcapabilities.hh

Go to the documentation of this file.

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_COMMON_GRID_CAPABILITIES_HH
#define DUMUX_COMMON_GRID_CAPABILITIES_HH
 
#include <tuple>
 
#include <dune/grid/common/capabilities.hh>
 
namespace Dumux::Grid::Capabilities {
 
// Default implementation
// The grid capability gives an absolute guarantee
// however this does not mean that multithreading is not
// supported at all. It might still work for some special cases.
// This knowledge is encoded in specializations for the different
// grid managers, see dumux/grid/io/gridmanager_*.hh
template<class Grid>
struct MultithreadingSupported
{
    template<class GV>
    static bool eval(const GV&) // default is independent of the grid view
    { return Dune::Capabilities::viewThreadSafe<Grid>::v; }
};
 
template<class GridView>
inline bool supportsMultithreading(const GridView& gridView)
{ return MultithreadingSupported<typename GridView::Grid>::eval(gridView); }

template<class... GridDiscretizations>
inline bool allGridsSupportsMultithreading(const std::tuple<GridDiscretizations...>& gridDiscretizations)
{
    return std::apply([](const auto&... gridDiscretization)
    { return (... && supportsMultithreading(gridDiscretization->gridView())); }, gridDiscretizations);
}
 
} // namespace Dumux::Grid::Capabilities
 
#endif