From 175e8265b5afab7dca3a458216c2e9bea9ded6c0 Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Tue, 7 May 2019 09:59:17 -0400
Subject: [PATCH] make ptr const

---
 include/deal.II/distributed/tria.h | 2 +-
 source/distributed/tria.cc         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/deal.II/distributed/tria.h b/include/deal.II/distributed/tria.h
index eac6147b04..243b4e506a 100644
--- a/include/deal.II/distributed/tria.h
+++ b/include/deal.II/distributed/tria.h
@@ -822,7 +822,7 @@ namespace parallel
        * @warning: If you modify the p4est object, internal data structures
        * can become inconsistent.
        */
-      typename dealii::internal::p4est::types<dim>::forest *
+      const typename dealii::internal::p4est::types<dim>::forest *
       get_p4est() const;
 
       /**
diff --git a/source/distributed/tria.cc b/source/distributed/tria.cc
index ddbfa0fa3f..7025f659d9 100644
--- a/source/distributed/tria.cc
+++ b/source/distributed/tria.cc
@@ -2888,7 +2888,7 @@ namespace parallel
 
 
     template <int dim, int spacedim>
-    typename dealii::internal::p4est::types<dim>::forest *
+    const typename dealii::internal::p4est::types<dim>::forest *
     Triangulation<dim, spacedim>::get_p4est() const
     {
       Assert(parallel_forest != nullptr,
-- 
2.39.5