From ae0787129d323ed86a637ca983c0f3f175a6369c Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 14 Nov 2012 14:05:09 +0000
Subject: [PATCH] Avoid warning about unused argument.

git-svn-id: https://svn.dealii.org/trunk@27538 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/source/dofs/dof_renumbering.cc | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/deal.II/source/dofs/dof_renumbering.cc b/deal.II/source/dofs/dof_renumbering.cc
index 05f978abeb..7ec87f74a3 100644
--- a/deal.II/source/dofs/dof_renumbering.cc
+++ b/deal.II/source/dofs/dof_renumbering.cc
@@ -2035,8 +2035,8 @@ namespace DoFRenumbering
                                           * Comparison operator for dim>=2
                                           */
         template <class DHCellIterator, int xdim>
-        bool compare (const DHCellIterator& c1,
-		      const DHCellIterator& c2,
+        bool compare (const DHCellIterator &c1,
+		      const DHCellIterator &c2,
 		      dealii::internal::int2type<xdim>) const
 	  {
             const Point<dim> v1 = c1->center() - center;
@@ -2052,15 +2052,14 @@ namespace DoFRenumbering
                                           * where this function makes no sense
                                           */
         template <class DHCellIterator>
-        bool compare (const DHCellIterator& c1,
-		      const DHCellIterator& c2,
+        bool compare (const DHCellIterator &,
+		      const DHCellIterator &,
 		      dealii::internal::int2type<1>) const
 	  {
 	    Assert (dim >= 2,
 		    ExcMessage ("This operation only makes sense for dim>=2."));
 	    return false;
           }
-
     };
   }
 
-- 
2.39.5