cell_c0polyhedron.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library is free software; you can 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.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef LIBMESH_FACE_C0POLYHEDRON_H
#define LIBMESH_FACE_C0POLYHEDRON_H

// Local includes
#include "libmesh/libmesh_common.h"
#include "libmesh/cell_polyhedron.h"
#include "libmesh/enum_order.h"

namespace libMesh
{

class C0Polyhedron : public Polyhedron
{
public:

  explicit
  C0Polyhedron (const std::vector<std::shared_ptr<Polygon>> & sides,
                Elem * p=nullptr);

  C0Polyhedron (C0Polyhedron &&) = delete;
  C0Polyhedron (const C0Polyhedron &) = delete;
  C0Polyhedron & operator= (const C0Polyhedron &) = delete;
  C0Polyhedron & operator= (C0Polyhedron &&) = delete;
  virtual ~C0Polyhedron();

  std::unique_ptr<Elem> disconnected_clone() const override;

  virtual ElemType type () const override final { return C0POLYHEDRON; }

  virtual unsigned int n_vertices() const override final { return this->_nodelinks_data.size(); }

  virtual unsigned int n_sub_elem() const override
  { return this->n_subelements(); }

  virtual bool is_vertex(const unsigned int i) const override;

  virtual bool is_edge(const unsigned int i) const override;

  virtual bool is_face(const unsigned int i) const override;

  virtual bool is_node_on_side(const unsigned int n,
                               const unsigned int s) const override;

  virtual std::vector<unsigned int> nodes_on_side(const unsigned int s) const override;

  virtual std::vector<unsigned int> nodes_on_edge(const unsigned int e) const override;

  virtual bool is_node_on_edge(const unsigned int n,
                               const unsigned int e) const override;

  virtual bool has_affine_map () const override { return false; }

  virtual Order default_order() const override { return FIRST; }

  using Elem::key;

  virtual void connectivity(const unsigned int sf,
                            const IOPackage iop,
                            std::vector<dof_id_type> & conn) const override;

  virtual std::pair<unsigned short int, unsigned short int>
  second_order_child_vertex (const unsigned int n) const override;

  virtual Real volume () const override;

  virtual Point true_centroid () const override;

  ElemType side_type (const unsigned int s) const override final;

  virtual void retriangulate() override final;

protected:

  void add_tet(int n1, int n2, int n3, int n4);

#ifdef LIBMESH_ENABLE_AMR

  virtual Real embedding_matrix (const unsigned int /*i*/,
                                 const unsigned int /*j*/,
                                 const unsigned int /*k*/) const override
  { libmesh_not_implemented(); return 0; }

#endif // LIBMESH_ENABLE_AMR

};


} // namespace libMesh

#endif // LIBMESH_FACE_C0POLYHEDRON_H