checkoverlapsize.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_DISCRETIZATION_CHECK_OVERLAP_SIZE_HH
#define DUMUX_DISCRETIZATION_CHECK_OVERLAP_SIZE_HH
 
#include <dumux/discretization/method.hh>
 
namespace Dumux {
 
template<class DiscretizationMethod>
struct CheckOverlapSize
{
    template<class GridView>
    static bool isValid(const GridView& gridView) noexcept
    { return gridView.comm().size() <= 1 || gridView.overlapSize(0) + gridView.ghostSize(0) > 0; }
};
 
template<>
struct CheckOverlapSize<DiscretizationMethods::Box>
{
    template<class GridView>
    static bool isValid(const GridView& gridView) noexcept
    { return gridView.comm().size() <= 1 || gridView.overlapSize(0) == 0; }
};
 
template<>
struct CheckOverlapSize<DiscretizationMethods::FEM>
{
    template<class FEBasis>
    static bool isValid(const FEBasis& feBasis) noexcept
    { return feBasis.gridView().comm().size() <= 1 || feBasis.gridView().overlapSize(0) == 0; }
};
 
// fc staggered requires an overlap of exactly 1
template<>
struct CheckOverlapSize<DiscretizationMethods::FCStaggered>
{
    template<class GridView>
    static bool isValid(const GridView& gridView) noexcept
    { return gridView.comm().size() <= 1 || gridView.overlapSize(0) == 1; }
};
 
} // end namespace Dumux
 
#endif