Disambiguate a call.

git-svn-id: https://svn.dealii.org/trunk@28356 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/fe/mapping_q1.cc b/deal.II/source/fe/mapping_q1.cc
index 336eedd7403a26b2be53d9582730a5d175697d83..6e255ff78763452e8342fb4e5277e71e08deae0b 100644 (file)
--- a/deal.II/source/fe/mapping_q1.cc
+++ b/deal.II/source/fe/mapping_q1.cc
@@ -2,7 +2,7 @@
 //    $Id$
 //    Version: $Name$
 //
-//    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 by the deal.II authors
+//    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 by the deal.II authors
 //
 //    This file is subject to QPL and may not be  distributed
 //    without copyright and license information. Please refer
@@ -780,7 +780,7 @@ MappingQ1<dim,spacedim>::fill_fe_values (
                 // 1e12 in 2D. might want to find a finer
                 // (dimension-independent) criterion
                 Assert (det > 1e-12*Utilities::fixed_power<dim>(cell->diameter()/
-                                                                std::sqrt(dim)),
+                                                                std::sqrt(double(dim))),
                         (typename Mapping<dim,spacedim>::ExcDistortedMappedCell(cell->center(), point)));
 
                 JxW_values[point] = weights[point] * det;