diff --git a/include/boost/type_traits/is_floating_point.hpp b/include/boost/type_traits/is_floating_point.hpp
index 5d48d74..bc91814 100755
--- a/include/boost/type_traits/is_floating_point.hpp
+++ b/include/boost/type_traits/is_floating_point.hpp
@@ -20,6 +20,10 @@ namespace boost {
    template<> struct is_floating_point<float> : public true_type{};
    template<> struct is_floating_point<double> : public true_type{};
    template<> struct is_floating_point<long double> : public true_type{};
+   
+ #if defined(_GLIBCXX_USE_FLOAT128) && defined(BOOST_GCC) && !defined(__STRICT_ANSI__)
+   template<> struct is_floating_point<__float128> : public true_type{};
+ #endif
 
 } // namespace boost