Index: boost/accumulators/numeric/functional.hpp
===================================================================
--- boost/accumulators/numeric/functional.hpp	(revision 71367)
+++ boost/accumulators/numeric/functional.hpp	(working copy)
@@ -10,6 +10,7 @@
 
 #include <limits>
 #include <functional>
+#include <boost/static_assert.hpp>
 #include <boost/mpl/if.hpp>
 #include <boost/mpl/and.hpp>
 #include <boost/type_traits/remove_const.hpp>
@@ -277,6 +278,8 @@
         struct as_min_base
           : std::unary_function<Arg, typename remove_const<Arg>::type>
         {
+            BOOST_STATIC_ASSERT(std::numeric_limits<typename remove_const<Arg>::type>::is_specialized);
+
             typename remove_const<Arg>::type operator ()(Arg &) const
             {
                 return (std::numeric_limits<typename remove_const<Arg>::type>::min)();
@@ -287,6 +290,8 @@
         struct as_min_base<Arg, typename enable_if<is_floating_point<Arg> >::type>
           : std::unary_function<Arg, typename remove_const<Arg>::type>
         {
+            BOOST_STATIC_ASSERT(std::numeric_limits<typename remove_const<Arg>::type>::is_specialized);
+
             typename remove_const<Arg>::type operator ()(Arg &) const
             {
                 return -(std::numeric_limits<typename remove_const<Arg>::type>::max)();
@@ -297,6 +302,8 @@
         struct as_max_base
           : std::unary_function<Arg, typename remove_const<Arg>::type>
         {
+            BOOST_STATIC_ASSERT(std::numeric_limits<typename remove_const<Arg>::type>::is_specialized);
+
             typename remove_const<Arg>::type operator ()(Arg &) const
             {
                 return (std::numeric_limits<typename remove_const<Arg>::type>::max)();