mesh_triangle_wrapper.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 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_MESH_TRIANGLE_WRAPPER_H
#define LIBMESH_MESH_TRIANGLE_WRAPPER_H
 
#include "libmesh/libmesh_config.h"
 
#ifdef LIBMESH_HAVE_TRIANGLE
 
// Local Includes
#include "libmesh/libmesh_common.h" // Real
 
// C++ includes
#include <cstddef>
 
namespace libMesh
{
// Forward declarations
class UnstructuredMesh;
enum ElemType : int;
 
// Make sure Triangle uses our "Real" as its "REAL"
typedef Real REAL;
 
namespace TriangleWrapper
{
extern "C"
{
#include "triangle.h"
}
 
enum IO_Type {
  INPUT  = 0,
  OUTPUT = 1,
  BOTH   = 2};
 
void init(triangulateio & t);
 
void destroy(triangulateio & t, IO_Type);
 
void copy_tri_to_mesh(const triangulateio & triangle_data_input,
                      UnstructuredMesh & mesh_output,
                      const ElemType type,
                      const triangulateio * voronoi = nullptr);
} // namespace TriangleWrapper
} // namespace libMesh
 
 
#endif // LIBMESH_HAVE_TRIANGLE
 
#endif // LIBMESH_MESH_TRIANGLE_WRAPPER_H