From 774c8f2833532f730af15b76433ac4e0cd0250bc Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Wed, 10 Nov 2010 15:35:22 +0000
Subject: [PATCH] Avoid a few compiler warnings.

git-svn-id: https://svn.dealii.org/trunk@22678 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/include/deal.II/base/tensor_product_polynomials.h | 2 +-
 deal.II/include/deal.II/base/utilities.h                  | 6 ++++--
 deal.II/source/fe/fe_abf.cc                               | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/deal.II/include/deal.II/base/tensor_product_polynomials.h b/deal.II/include/deal.II/base/tensor_product_polynomials.h
index db503e098b..cdce04cbfa 100644
--- a/deal.II/include/deal.II/base/tensor_product_polynomials.h
+++ b/deal.II/include/deal.II/base/tensor_product_polynomials.h
@@ -529,7 +529,7 @@ TensorProductPolynomials<dim>::
 x_to_the_dim (const unsigned int x)
 {
   unsigned int y = 1;
-  for (unsigned int d=0; d<dim; ++d)
+  for (int d=0; d<dim; ++d)
     y *= x;
   return y;
 }
diff --git a/deal.II/include/deal.II/base/utilities.h b/deal.II/include/deal.II/base/utilities.h
index 72ece1e8a7..6d8c067a0d 100644
--- a/deal.II/include/deal.II/base/utilities.h
+++ b/deal.II/include/deal.II/base/utilities.h
@@ -659,6 +659,8 @@ namespace Utilities
     Assert (N>0, ExcNotImplemented());
     switch (N)
       {
+        case 0:
+	      return 1;
 	case 1:
 	      return n;
 	case 2:
@@ -668,8 +670,8 @@ namespace Utilities
 	case 4:
 	      return n*n*n*n;
 	default:
-	      T result = n;
-	      for (unsigned int d=1;d<N;++d)
+	      T result = 1;
+	      for (int d=0;d<N;++d)
 		result *= n;
 	      return result;
       }
diff --git a/deal.II/source/fe/fe_abf.cc b/deal.II/source/fe/fe_abf.cc
index 6c14d14e8f..b3aadd6e0a 100644
--- a/deal.II/source/fe/fe_abf.cc
+++ b/deal.II/source/fe/fe_abf.cc
@@ -456,7 +456,7 @@ FE_ABF<dim>::get_dpo_vector (const unsigned int rt_order)
                                    // Initiative...), and we have
                                    // (rt_order+1)^(dim-1) DoFs per face
   unsigned int dofs_per_face = 1;
-  for (unsigned int d=0; d<dim-1; ++d)
+  for (int d=0; d<dim-1; ++d)
     dofs_per_face *= rt_order+1;
 
                                    // and then there are interior dofs
-- 
2.39.5