From d0ce8173afbd2708363b7d476612864e2c54e3bc Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Sun, 27 Sep 2015 07:27:38 -0400
Subject: [PATCH] remove warnings

---
 include/deal.II/grid/tria_accessor.templates.h | 2 +-
 include/deal.II/lac/read_write_vector.h        | 2 ++
 source/base/data_out_base.cc                   | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/deal.II/grid/tria_accessor.templates.h b/include/deal.II/grid/tria_accessor.templates.h
index c316abc82b..4ce7f713b1 100644
--- a/include/deal.II/grid/tria_accessor.templates.h
+++ b/include/deal.II/grid/tria_accessor.templates.h
@@ -2141,7 +2141,7 @@ template <int dim, int spacedim>
 inline
 TriaAccessor<0, dim, spacedim>::
 TriaAccessor (const Triangulation<dim,spacedim> *tria,
-              const int level,
+              const int /*level*/,
               const int index,
               const AccessorData *)
   :
diff --git a/include/deal.II/lac/read_write_vector.h b/include/deal.II/lac/read_write_vector.h
index d0e389aaca..fb0261603d 100644
--- a/include/deal.II/lac/read_write_vector.h
+++ b/include/deal.II/lac/read_write_vector.h
@@ -692,6 +692,8 @@ namespace LinearAlgebra
   ReadWriteVector<Number>::operator= (const Number s)
   {
     Assert(s==static_cast<Number>(0), ExcMessage("Only 0 can be assigned to a vector."));
+    (void)s;
+
     std::fill(begin(),end(),Number());
 
     return *this;
diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index 246d45f387..c7806af486 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -5426,7 +5426,7 @@ namespace DataOutBase
     Point<3> camera_direction_temp;
     Point<3> camera_horizontal_temp;
 
-    const float angle_factor = 3.14159265 / 180.;
+    const float angle_factor = 3.14159265f / 180.f;
 
     // (I) rotate the camera to the chosen polar angle
     camera_position_temp[1] = cos(angle_factor * flags.polar_angle) * camera_position[1] - sin(angle_factor * flags.polar_angle) * camera_position[2];
-- 
2.39.5