From c81ad910ce33f0d9bad0237b82f5919c852e200b Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Wed, 17 Jun 2015 14:24:37 -0500
Subject: [PATCH] Fix a few warnings in the tutorial programs.

---
 examples/step-41/step-41.cc |  4 ++--
 examples/step-44/step-44.cc |  2 +-
 examples/step-47/step-47.cc | 15 ++++++++++-----
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/examples/step-41/step-41.cc b/examples/step-41/step-41.cc
index cc804370d9..86f70c9b28 100644
--- a/examples/step-41/step-41.cc
+++ b/examples/step-41/step-41.cc
@@ -127,7 +127,7 @@ namespace Step41
   };
 
   template <int dim>
-  double RightHandSide<dim>::value (const Point<dim> &p,
+  double RightHandSide<dim>::value (const Point<dim> &,
                                     const unsigned int component) const
   {
     Assert (component == 0, ExcNotImplemented());
@@ -148,7 +148,7 @@ namespace Step41
   };
 
   template <int dim>
-  double BoundaryValues<dim>::value (const Point<dim> &p,
+  double BoundaryValues<dim>::value (const Point<dim> &,
                                      const unsigned int component) const
   {
     Assert (component == 0, ExcNotImplemented());
diff --git a/examples/step-44/step-44.cc b/examples/step-44/step-44.cc
index c6816bd525..b86dc668bf 100644
--- a/examples/step-44/step-44.cc
+++ b/examples/step-44/step-44.cc
@@ -3151,7 +3151,7 @@ namespace Step44
     Vector<double> soln(solution_n.size());
     for (unsigned int i = 0; i < soln.size(); ++i)
       soln(i) = solution_n(i);
-    MappingQEulerian<dim> q_mapping(degree, soln, dof_handler_ref);
+    MappingQEulerian<dim> q_mapping(degree, dof_handler_ref, soln);
     data_out.build_patches(q_mapping, degree);
 
     std::ostringstream filename;
diff --git a/examples/step-47/step-47.cc b/examples/step-47/step-47.cc
index 156662a0a5..f5ada85179 100644
--- a/examples/step-47/step-47.cc
+++ b/examples/step-47/step-47.cc
@@ -455,8 +455,8 @@ namespace Step47
   template <int dim>
   std::pair<unsigned int, Quadrature<dim> >
   LaplaceProblem<dim>::compute_quadrature (const Quadrature<dim> &plain_quadrature,
-                                           const typename hp::DoFHandler<dim>::active_cell_iterator &cell,
-                                           const std::vector<double> &level_set_values                    )
+                                           const typename hp::DoFHandler<dim>::active_cell_iterator &/*cell*/,
+                                           const std::vector<double> &level_set_values)
   {
 
     unsigned int type = 0;
@@ -476,9 +476,14 @@ namespace Step47
     // ++++, ---- type 2: -+++, +-++, ++-+, +++-, +---, -+--, --+-, ---+ type
     // 3: +--+, ++--, +-+-, -++-, --++, -+-+
 
-    if ( sign_ls[0]==sign_ls[1] & sign_ls[0]==sign_ls[2] & sign_ls[0]==sign_ls[3] ) type =1;
-    else if ( sign_ls[0]*sign_ls[1]*sign_ls[2]*sign_ls[3] < 0 ) type = 2;
-    else type = 3;
+    if ( sign_ls[0]==sign_ls[1] &&
+         sign_ls[0]==sign_ls[2] &&
+         sign_ls[0]==sign_ls[3] )
+      type = 1;
+    else if ( sign_ls[0]*sign_ls[1]*sign_ls[2]*sign_ls[3] < 0 )
+      type = 2;
+    else
+      type = 3;
 
     unsigned int Pos = 100;
 
-- 
2.39.5