From 873d68e67b475ff25fc1556f5bebe4b5b89ced34 Mon Sep 17 00:00:00 2001
From: heister <heister@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 26 Nov 2013 16:43:06 +0000
Subject: [PATCH] next try to remove compilation warning in tensor_base.h

git-svn-id: https://svn.dealii.org/trunk@31808 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/include/deal.II/base/derivative_form.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/deal.II/include/deal.II/base/derivative_form.h b/deal.II/include/deal.II/base/derivative_form.h
index 1a1f6780b6..793bdd3ba3 100644
--- a/deal.II/include/deal.II/base/derivative_form.h
+++ b/deal.II/include/deal.II/base/derivative_form.h
@@ -206,8 +206,9 @@ operator = (const Tensor<2,dim> &ta)
   Assert( (dim == spacedim) && (order==1),
           ExcMessage("Only allowed for square tensors."));
 
-  for (unsigned int j=0; j<dim; ++j)
-    (*this)[j] = ta[j];
+  if ((dim == spacedim) && (order==1))
+    for (unsigned int j=0; j<dim; ++j)
+      (*this)[j] = ta[j];
   return *this;
 
 }
@@ -274,10 +275,13 @@ DerivativeForm<order, dim, spacedim>::operator Tensor<2,dim>() const
   Assert( (dim == spacedim) && (order==1),
           ExcMessage("Only allowed for square tensors."));
 
+
+
   Tensor<2,dim> t;
 
-  for (unsigned int j=0; j<dim; ++j)
-    t[j] = (*this)[j];
+  if ((dim == spacedim) && (order==1))
+    for (unsigned int j=0; j<dim; ++j)
+      t[j] = (*this)[j];
 
   return t;
 
-- 
2.39.5