From faf9d46e1dcfd9ce2f574cd1cc96dac0208986bd Mon Sep 17 00:00:00 2001
From: Luca Heltai <luca.heltai@sissa.it>
Date: Thu, 30 Jul 2020 09:23:58 +0200
Subject: [PATCH] Removed non local dof handler.

---
 include/deal.II/dofs/non_local_dof_handler.h | 149 -------------------
 include/deal.II/fe/fe.h                      |   2 -
 2 files changed, 151 deletions(-)
 delete mode 100644 include/deal.II/dofs/non_local_dof_handler.h

diff --git a/include/deal.II/dofs/non_local_dof_handler.h b/include/deal.II/dofs/non_local_dof_handler.h
deleted file mode 100644
index 7cfe068e5d..0000000000
--- a/include/deal.II/dofs/non_local_dof_handler.h
+++ /dev/null
@@ -1,149 +0,0 @@
-// ---------------------------------------------------------------------
-//
-// Copyright (C) 2020 by the deal.II authors
-//
-// This file is part of the deal.II library.
-//
-// The deal.II library is free software; you can use it, 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.
-// The full text of the license can be found in the file LICENSE.md at
-// the top level directory of deal.II.
-//
-// ---------------------------------------------------------------------
-
-#ifndef dealii_non_local_dof_handler_h
-#define dealii_non_local_dof_handler_h
-
-
-#include <deal.II/base/config.h>
-
-#include <deal.II/base/subscriptor.h>
-
-DEAL_II_NAMESPACE_OPEN
-
-// Forward declarations
-#ifndef DOXYGEN
-template <int dim, int spacedim, bool>
-class DoFCellAccessor;
-#endif
-
-/**
- * This class is used to enumerate non local degrees of freedom. Its default
- * implementation does nothing, since in general FiniteElement spaces only
- * define degrees of freedom on vertices, edges, faces, or cells. There are
- * cases, however, in which a FiniteElement space may define some non-local
- * basis functions which are non-zero on a given cell, even if the basis
- * function cannot be attributed to local subobjects of the given cell.
- *
- * In these cases, the DoFHandler class needs to know how to distribute these
- * extra degrees of freedom, and since it cannot do so on its own, it asks
- * the FiniteElement to return a NonLocalDoFHandler class that knows how to
- * enumerate and distribute these non local degrees of freedom.
- *
- * This class is intended as a base class for all FiniteElement spaces that
- * need to enumerate non local degrees of freedom.
- *
- * @ingroup dofs
- */
-template <int dim, int spacedim = dim>
-class NonLocalDoFHandler : public Subscriptor
-{
-public:
-  /**
-   * Make the dimension available in function templates.
-   */
-  static const unsigned int dimension = dim;
-
-  /**
-   * Make the space dimension available in function templates.
-   */
-  static const unsigned int space_dimension = spacedim;
-
-  /**
-   * Standard constructor, not initializing any data.
-   */
-  NonLocalDoFHandler() = default;
-
-  /**
-   * Destructor.
-   */
-  virtual ~NonLocalDoFHandler() = default;
-
-  /**
-   * Copy operator. NonLocalDoFHandler objects may be large and expensive.
-   * They should not be copied, in particular not by accident, but
-   * rather deliberately constructed. As a consequence, this operator
-   * is explicitly removed from the interface of this class.
-   */
-  NonLocalDoFHandler &
-  operator=(const NonLocalDoFHandler &) = delete;
-
-  /**
-   * Return the non local dof indices associated to the current cell, for
-   * active cell iterators.
-   */
-  virtual std::vector<types::global_dof_index>
-  get_non_local_dof_indices(
-    const DoFCellAccessor<dim, spacedim, false> &) const;
-
-  /**
-   * Return the non local dof indices associated to the current cell, for
-   * level cell iterators.
-   */
-  virtual std::vector<types::global_dof_index>
-  get_non_local_dof_indices(const DoFCellAccessor<dim, spacedim, true> &) const;
-
-  /**
-   * Return the number of non local dof indices that are required in addition to
-   * the local ones.
-   */
-  virtual types::global_dof_index
-  n_additional_non_local_dofs() const;
-
-  /**
-   * At any given moment, only one NonLocalDoFHandler can be used. Throw an
-   * exception if two cells define an active FiniteElement for which
-   * get_non_local_dof_handler() return a different object.
-   *
-   * @ingroup Exceptions
-   */
-  DeclException0(ExcDifferentNonLocalDoFHandlers);
-};
-
-
-
-// ----------------------------------------------------------------------------
-template <int dim, int spacedim>
-inline std::vector<types::global_dof_index>
-NonLocalDoFHandler<dim, spacedim>::get_non_local_dof_indices(
-  const DoFCellAccessor<dim, spacedim, true> &) const
-{
-  // By default, we return an empty vector.
-  return std::vector<types::global_dof_index>();
-}
-
-
-
-template <int dim, int spacedim>
-inline std::vector<types::global_dof_index>
-NonLocalDoFHandler<dim, spacedim>::get_non_local_dof_indices(
-  const DoFCellAccessor<dim, spacedim, false> &) const
-{
-  // By default, we return an empty vector.
-  return std::vector<types::global_dof_index>();
-}
-
-
-
-template <int dim, int spacedim>
-inline types::global_dof_index
-NonLocalDoFHandler<dim, spacedim>::n_additional_non_local_dofs() const
-{
-  return 0;
-}
-
-DEAL_II_NAMESPACE_CLOSE
-
-#endif
diff --git a/include/deal.II/fe/fe.h b/include/deal.II/fe/fe.h
index 7882b2d05e..d829a9b006 100644
--- a/include/deal.II/fe/fe.h
+++ b/include/deal.II/fe/fe.h
@@ -18,8 +18,6 @@
 
 #include <deal.II/base/config.h>
 
-#include <deal.II/dofs/non_local_dof_handler.h>
-
 #include <deal.II/fe/block_mask.h>
 #include <deal.II/fe/component_mask.h>
 #include <deal.II/fe/fe_base.h>
-- 
2.39.5