--- D:\boost_1_51_0\boost\spirit\home\karma\numeric\detail\numeric_utils.hpp	Sat Nov  3 01:20:48 2012
+++ D:\Documents\Visual Studio 2012\Projects\streams\streams\karma_inf.patched.hpp	Sat Nov  3 01:19:59 2012
@@ -284,8 +284,10 @@
     struct is_infinite
     {
         static bool call(T n) 
-        { 
-          return (n == std::numeric_limits<T>::infinity()) ? true : false; 
+        {
+            if( std::numeric_limits<T>::has_infinity )
+                return (n == std::numeric_limits<T>::infinity()) ? true : false; 
+            return false;
         }
     };