From: Matthias Maier <tamiko@43-1.org>
Date: Wed, 19 Sep 2018 19:02:42 +0000 (-0500)
Subject: step-7: Use const auto &cell instead of const auto cell
X-Git-Tag: v9.1.0-rc1~701^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=286f4e9c4a6f96a9ae6c6afafb1dfa52481abbed;p=dealii.git

step-7: Use const auto &cell instead of const auto cell
---

diff --git a/examples/step-7/step-7.cc b/examples/step-7/step-7.cc
index 38a9c11d94..570892df25 100644
--- a/examples/step-7/step-7.cc
+++ b/examples/step-7/step-7.cc
@@ -629,7 +629,7 @@ namespace Step7
 
     // Now for the main loop over all cells. This is mostly unchanged from
     // previous examples, so we only comment on the things that have changed.
-    for (const auto cell : dof_handler.active_cell_iterators())
+    for (const auto &cell : dof_handler.active_cell_iterators())
       {
         cell_matrix = 0.;
         cell_rhs    = 0.;
@@ -997,7 +997,7 @@ namespace Step7
             GridGenerator::hyper_cube(triangulation, -1, 1);
             triangulation.refine_global(3);
 
-            for (const auto cell : triangulation.cell_iterators())
+            for (const auto &cell : triangulation.cell_iterators())
               for (unsigned int face_number = 0;
                    face_number < GeometryInfo<dim>::faces_per_cell;
                    ++face_number)