petscdmlibmesh.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 PETSCDMLIBMESH_H
#define PETSCDMLIBMESH_H
// This is intended as a kind of public header for DMlibMesh
// (does it get installed?  should it? is this public, but
// developer-facing only?)

#include "libmesh/libmesh_config.h"

#include "libmesh/petsc_macro.h"

#ifdef LIBMESH_HAVE_PETSC

#ifdef I
# define LIBMESH_SAW_I
#endif
#include <petscdm.h>
#ifndef LIBMESH_SAW_I
# undef I // Avoid complex.h contamination
#endif
#include "libmesh/nonlinear_implicit_system.h"

PETSC_EXTERN PetscErrorCode DMlibMeshSetSystem(DM,libMesh::NonlinearImplicitSystem &);
PETSC_EXTERN PetscErrorCode DMlibMeshGetSystem(DM,libMesh::NonlinearImplicitSystem *&);


#define DMLIBMESH "libmesh"
EXTERN_C_BEGIN
PETSC_EXTERN PetscErrorCode DMCreate_libMesh(DM);
EXTERN_C_END

#endif // LIBMESH_HAVE_PETSC

#endif // #ifdef PETSCDMLIBEMSH_H