boundary.hh

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// -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set ts=8 sw=2 et sts=2:
 
// SPDX-FileCopyrightText: Copyright © DUNE-FUFEM Project contributors, see file AUTHORS.md
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
 
#ifndef DUNE_FUFEM_DOMAINS_BOUNDARY_HH
#define DUNE_FUFEM_DOMAINS_BOUNDARY_HH
 
#include <dune/fufem/domains/intersectionsetiterator.hh>
 
 
 
namespace Dune::Fufem {
 
 
 
template <class GV>
class Boundary
{
 
  static const int dim = GV::dimension;
 
  using Element = typename GV::template Codim<0>::Entity;
  using Intersection = typename GV::Intersection;
 
public:
 
  using GridView = GV;
 
  using iterator = Dune::Fufem::IntersectionSetIterator<Boundary>;
 
  Boundary (const GridView& gridView)
    : gridView_(gridView)
  {}
 
  const GridView& gridView () const
  {
    return gridView_;
  }
 
  constexpr bool contains (const Intersection& intersection) const
  {
    return intersection.boundary();
  }
 
  bool containsFaceOf (const Element& element) const
  {
    return element.hasBoundaryIntersections() and gridView().contains(element);
  }
 
  iterator begin () const
  {
    return iterator(*this, gridView().template begin<0>());
  }
 
  iterator end () const
  {
    return iterator(*this, gridView().template end<0>());
  }
 
private:
  GridView gridView_;
};
 
 
} // namespace Dune::Fufem
 
 
 
#endif // DUNE_FUFEM_DOMAINS_BOUNDARY_HH