From b0d0a39c02a96f1d18060f1ec141accd39b4f36d Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 20 Nov 2018 08:28:14 -0700
Subject: [PATCH] Add get_triangulation() functions to
 TriaAccessor<0,*,structdim> classes.

---
 include/deal.II/grid/tria_accessor.h           | 16 +++++++++++++++-
 include/deal.II/grid/tria_accessor.templates.h | 18 ++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/include/deal.II/grid/tria_accessor.h b/include/deal.II/grid/tria_accessor.h
index 40ee283c6e..4124892bbf 100644
--- a/include/deal.II/grid/tria_accessor.h
+++ b/include/deal.II/grid/tria_accessor.h
@@ -488,7 +488,7 @@ public:
   state() const;
 
   /**
-   * Return a pointer to the triangulation which the object pointed to by this
+   * Return a reference to the triangulation which the object pointed to by this
    * class belongs to.
    */
   const Triangulation<dim, spacedim> &
@@ -1794,6 +1794,13 @@ public:
   int
   index() const;
 
+  /**
+   * Return a reference to the triangulation which the object pointed to by this
+   * class belongs to.
+   */
+  const Triangulation<dim, spacedim> &
+  get_triangulation() const;
+
   /**
    * @name Advancement of iterators
    */
@@ -2212,6 +2219,13 @@ public:
   int
   index() const;
 
+  /**
+   * Return a reference to the triangulation which the object pointed to by this
+   * class belongs to.
+   */
+  const Triangulation<1, spacedim> &
+  get_triangulation() const;
+
   /**
    * @name Advancement of iterators
    */
diff --git a/include/deal.II/grid/tria_accessor.templates.h b/include/deal.II/grid/tria_accessor.templates.h
index 45898346c6..bbb44552b7 100644
--- a/include/deal.II/grid/tria_accessor.templates.h
+++ b/include/deal.II/grid/tria_accessor.templates.h
@@ -2327,6 +2327,15 @@ TriaAccessor<0, dim, spacedim>::index() const
 
 
 
+template <int dim, int spacedim>
+inline const Triangulation<dim, spacedim> &
+TriaAccessor<0, dim, spacedim>::get_triangulation() const
+{
+  return *tria;
+}
+
+
+
 template <int dim, int spacedim>
 inline void
 TriaAccessor<0, dim, spacedim>::operator++()
@@ -2698,6 +2707,15 @@ TriaAccessor<0, 1, spacedim>::index() const
 
 
 
+template <int spacedim>
+inline const Triangulation<1, spacedim> &
+TriaAccessor<0, 1, spacedim>::get_triangulation() const
+{
+  return *tria;
+}
+
+
+
 template <int spacedim>
 inline void
 TriaAccessor<0, 1, spacedim>::operator++() const
-- 
2.39.5