grid_tools_cache_update_flags.h

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// -----------------------------------------------------------------------------
//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception OR LGPL-2.1-or-later
// Copyright (C) 2017 - 2023 by the deal.II authors
//
// This file is part of the deal.II library.
//
// Detailed license information governing the source code and contributions
// can be found in LICENSE.md and CONTRIBUTING.md at the top level directory.
//
// -----------------------------------------------------------------------------
 
#ifndef dealii_grid_tria_info_cache_update_flags_h
#define dealii_grid_tria_info_cache_update_flags_h
 
 
#include <deal.II/base/config.h>
 
DEAL_II_NAMESPACE_OPEN
 
namespace GridTools
{
  enum CacheUpdateFlags
  {
    update_nothing = 0x000,
 
    update_vertex_to_cell_map = 0x001,
 
    update_vertex_to_cell_centers_directions =
      update_vertex_to_cell_map | 0x002,
 
    update_used_vertices = 0x008,
 
    update_used_vertices_rtree = 0x010,
 
    update_cell_bounding_boxes_rtree = 0x020,
 
    update_covering_rtree = 0x040,
 
    update_locally_owned_cell_bounding_boxes_rtree = 0x080,
 
    update_vertex_to_neighbor_subdomain = 0x100,
 
    update_vertex_with_ghost_neighbors = 0x200,
 
    update_all = 0xFFF,
  };
 
 
  template <typename StreamType>
  inline StreamType &
  operator<<(StreamType &s, const CacheUpdateFlags u)
  {
    s << " CacheUpdateFlags";
    if (u & update_vertex_to_cell_map)
      s << "|vertex_to_cell_map";
    if (u & update_vertex_to_cell_centers_directions)
      s << "|vertex_to_cells_centers_directions";
    if (u & update_covering_rtree)
      s << "|covering_rtree";
    return s;
  }
 
 
  inline CacheUpdateFlags
  operator|(const CacheUpdateFlags f1, const CacheUpdateFlags f2)
  {
    return static_cast<CacheUpdateFlags>(static_cast<unsigned int>(f1) |
                                         static_cast<unsigned int>(f2));
  }
 
  inline CacheUpdateFlags
  operator~(const CacheUpdateFlags f1)
  {
    return static_cast<CacheUpdateFlags>(static_cast<unsigned int>(f1) ^
                                         static_cast<unsigned int>(update_all));
  }
 
 
 
  inline CacheUpdateFlags &
  operator|=(CacheUpdateFlags &f1, const CacheUpdateFlags f2)
  {
    f1 = f1 | f2;
    return f1;
  }
 
 
  inline CacheUpdateFlags
  operator&(const CacheUpdateFlags f1, const CacheUpdateFlags f2)
  {
    return static_cast<CacheUpdateFlags>(static_cast<unsigned int>(f1) &
                                         static_cast<unsigned int>(f2));
  }
 
 
  inline CacheUpdateFlags &
  operator&=(CacheUpdateFlags &f1, const CacheUpdateFlags f2)
  {
    f1 = f1 & f2;
    return f1;
  }
 
} // namespace GridTools
DEAL_II_NAMESPACE_CLOSE
 
#endif