From 54a414788b0d7e32d4029cee6883cf462599b135 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 10 Aug 2012 08:27:28 +0000
Subject: [PATCH] Convert an input argument with default value into a const
 reference.

git-svn-id: https://svn.dealii.org/trunk@25852 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/include/deal.II/dofs/dof_tools.h |  2 +-
 deal.II/source/dofs/dof_tools.cc         |  4 +++-
 deal.II/source/dofs/dof_tools.inst.in    | 27 ++++++++++++++++--------
 3 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/deal.II/include/deal.II/dofs/dof_tools.h b/deal.II/include/deal.II/dofs/dof_tools.h
index 0f6212e786..6207efca1c 100644
--- a/deal.II/include/deal.II/dofs/dof_tools.h
+++ b/deal.II/include/deal.II/dofs/dof_tools.h
@@ -2100,7 +2100,7 @@ namespace DoFTools
   void
   count_dofs_per_block (const DH &dof,
                         std::vector<unsigned int> &dofs_per_block,
-                        std::vector<unsigned int>  target_block
+                        const std::vector<unsigned int>  &target_block
                           = std::vector<unsigned int>());
 
                                    /**
diff --git a/deal.II/source/dofs/dof_tools.cc b/deal.II/source/dofs/dof_tools.cc
index 06c07598f0..c1204f1f43 100644
--- a/deal.II/source/dofs/dof_tools.cc
+++ b/deal.II/source/dofs/dof_tools.cc
@@ -4872,8 +4872,10 @@ namespace DoFTools
   void
   count_dofs_per_block (const DH &dof_handler,
                         std::vector<unsigned int> &dofs_per_block,
-                        std::vector<unsigned int>  target_block)
+                        const std::vector<unsigned int>  &target_block_)
   {
+    std::vector<unsigned int>  target_block = target_block_;
+
     const dealii::hp::FECollection<DH::dimension,DH::space_dimension>
       fe_collection (dof_handler.get_fe());
     Assert (fe_collection.size() < 256, ExcNotImplemented());
diff --git a/deal.II/source/dofs/dof_tools.inst.in b/deal.II/source/dofs/dof_tools.inst.in
index 5d7124b652..8564f052f0 100644
--- a/deal.II/source/dofs/dof_tools.inst.in
+++ b/deal.II/source/dofs/dof_tools.inst.in
@@ -763,19 +763,22 @@ template
 void
 DoFTools::count_dofs_per_block<DoFHandler<deal_II_dimension> > (
   const DoFHandler<deal_II_dimension>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
 DoFTools::count_dofs_per_block<hp::DoFHandler<deal_II_dimension> > (
   const hp::DoFHandler<deal_II_dimension>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
 DoFTools::count_dofs_per_block<MGDoFHandler<deal_II_dimension> > (
   const MGDoFHandler<deal_II_dimension>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
@@ -896,19 +899,22 @@ template
 void
 DoFTools::count_dofs_per_block<DoFHandler<deal_II_dimension,deal_II_dimension+1> > (
   const DoFHandler<deal_II_dimension,deal_II_dimension+1>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
 DoFTools::count_dofs_per_block<hp::DoFHandler<deal_II_dimension,deal_II_dimension+1> > (
   const hp::DoFHandler<deal_II_dimension,deal_II_dimension+1>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
 DoFTools::count_dofs_per_block<MGDoFHandler<deal_II_dimension,deal_II_dimension+1> > (
   const MGDoFHandler<deal_II_dimension,deal_II_dimension+1>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 #endif
 
@@ -926,19 +932,22 @@ template
 void
 DoFTools::count_dofs_per_block<DoFHandler<1,3> > (
   const DoFHandler<1,3>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
 DoFTools::count_dofs_per_block<hp::DoFHandler<1,3> > (
   const hp::DoFHandler<1,3>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 template
 void
 DoFTools::count_dofs_per_block<MGDoFHandler<1,3> > (
   const MGDoFHandler<1,3>&,
-  std::vector<unsigned int>&, std::vector<unsigned int>);
+  std::vector<unsigned int>&,
+  const std::vector<unsigned int> &);
 
 #endif
 
-- 
2.39.5