defaults.hh

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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_MMESH_CGAL_DEFAULTS_HH
#define DUNE_MMESH_CGAL_DEFAULTS_HH
 
// MMesh includes
#include "../grid/declaration.hh"
 
// CGAL includes
#include "includes.hh"
 
#define CGAL_NO_POSTCONDITIONS
 
namespace Dune {
namespace MMeshDefaults {
 
template <int dim>
struct ElementInfo {
  std::size_t insertionIndex;
  std::size_t index;
  std::array<std::size_t, dim + 1> cgalIndex;
  size_t domainMarker = 0;
  int mark = 0;
  bool isNew = false;
  bool mightVanish = false;
  std::size_t componentNumber = 0;
  int rank = 0;
  int partition = 0;
  std::unordered_set<int> connectivity;
};
 
struct VertexInfo {
  std::size_t id;
  bool idWasSet = false;
  std::size_t index;
  std::size_t insertionLevel = 0;
  bool isInterface = false;
  int boundaryFlag = -1;
  int partition = 0;
};
 
template <>
class Triangulation<2> {
 private:
  typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
 
  typedef CGAL::Triangulation_vertex_base_2<K> Vbbb;
  typedef CGAL::Triangulation_vertex_base_with_info_2<VertexInfo, K, Vbbb> Vbb;
  typedef CGAL::Triangulation_hierarchy_vertex_base_2<Vbb> Vb;
 
  typedef CGAL::Triangulation_face_base_2<K> Fbbb;
  typedef CGAL::Triangulation_face_base_with_info_2<ElementInfo<2>, K, Fbbb>
      Fbb;
  typedef CGAL::Triangulation_face_base_2<K, Fbb> Fb;
 
  typedef CGAL::Triangulation_data_structure_2<Vb, Fb> Tds;
 
 public:
  typedef CGAL::Triangulation_2<K, Tds> type;
};
 
template <>
class Triangulation<3> {
 private:
  typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
 
  typedef CGAL::Triangulation_vertex_base_with_info_3<VertexInfo, K> Vb;
 
  typedef CGAL::Triangulation_cell_base_3<K> Fbb;
  typedef CGAL::Triangulation_cell_base_with_info_3<ElementInfo<3>, K, Fbb> Fb;
 
  typedef CGAL::Triangulation_data_structure_3<Vb, Fb> Tds;
 
 public:
  typedef CGAL::Triangulation_3<K, Tds> type;
};
 
template <>
class Delaunay<2> {
 private:
  typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
 
  typedef CGAL::Delaunay_mesh_vertex_base_2<K> Vbbb;
  typedef CGAL::Triangulation_vertex_base_with_info_2<VertexInfo, K, Vbbb> Vbb;
  typedef CGAL::Triangulation_hierarchy_vertex_base_2<Vbb> Vb;
 
  typedef CGAL::Delaunay_mesh_face_base_2<K> Fbbb;
  typedef CGAL::Triangulation_face_base_with_info_2<ElementInfo<2>, K, Fbbb>
      Fbb;
  typedef CGAL::Triangulation_face_base_2<K, Fbb> Fb;
 
  typedef CGAL::Triangulation_data_structure_2<Vb, Fb> Tds;
 
 public:
  typedef CGAL::Delaunay_triangulation_2<K, Tds> type;
};
 
template <>
class Delaunay<3> {
 private:
  typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
 
  typedef CGAL::Triangulation_vertex_base_with_info_3<VertexInfo, K> Vb;
 
  typedef CGAL::Delaunay_triangulation_cell_base_3<K> Fbb;
  typedef CGAL::Triangulation_cell_base_with_info_3<ElementInfo<3>, K, Fbb> Fb;
 
  typedef CGAL::Triangulation_data_structure_3<Vb, Fb> Tds;
 
 public:
  typedef CGAL::Delaunay_triangulation_3<K, Tds> type;
};
 
}  // end namespace MMeshDefaults
 
}  // end namespace Dune
 
#endif