assemble_flags.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2017 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------

#ifndef dealii_mesh_worker_assemble_flags_h
#define dealii_mesh_worker_assemble_flags_h


#include <deal.II/base/config.h>
#include <vector>


DEAL_II_NAMESPACE_OPEN


namespace MeshWorker
{

  enum AssembleFlags
  {
    assemble_nothing = 0,
    assemble_own_cells = 0x0001,
    assemble_ghost_cells = 0x0002,
    assemble_own_interior_faces_once = 0x0004,
    assemble_own_interior_faces_both = 0x0008,
    assemble_ghost_faces_once = 0x0010,
    assemble_ghost_faces_both = 0x0020,
    assemble_boundary_faces = 0x0040,

    cells_after_faces = 0x0080,

    work_on_cells = assemble_own_cells | assemble_ghost_cells,

    work_on_faces = assemble_own_interior_faces_once
                    | assemble_own_interior_faces_both
                    | assemble_ghost_faces_once
                    | assemble_ghost_faces_both,

    work_on_boundary = assemble_boundary_faces,
  };


  template <class StreamType>
  inline
  StreamType &operator << (StreamType &s, AssembleFlags u)
  {
    s << " AssembleFlags";
    if (u & assemble_own_cells        ) s << "|own_cells"        ;
    if (u & assemble_own_interior_faces_once   ) s << "|own_faces_once"   ;
    if (u & assemble_own_interior_faces_both   ) s << "|own_faces_both"   ;
    if (u & assemble_ghost_cells      ) s << "|ghost_cells"      ;
    if (u & assemble_ghost_faces_once ) s << "|ghost_faces_once" ;
    if (u & assemble_ghost_faces_both ) s << "|ghost_faces_both" ;
    if (u & assemble_boundary_faces   ) s << "|boundary_faces"   ;
    return s;
  }


  inline
  AssembleFlags
  operator | (AssembleFlags f1, AssembleFlags f2)
  {
    return static_cast<AssembleFlags> (
             static_cast<unsigned int> (f1) |
             static_cast<unsigned int> (f2));
  }




  inline
  AssembleFlags &
  operator |= (AssembleFlags &f1, AssembleFlags f2)
  {
    f1 = f1 | f2;
    return f1;
  }


  inline
  AssembleFlags
  operator & (AssembleFlags f1, AssembleFlags f2)
  {
    return static_cast<AssembleFlags> (
             static_cast<unsigned int> (f1) &
             static_cast<unsigned int> (f2));
  }


  inline
  AssembleFlags &
  operator &= (AssembleFlags &f1, AssembleFlags f2)
  {
    f1 = f1 & f2;
    return f1;
  }
}

DEAL_II_NAMESPACE_CLOSE

#endif