//
#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 4)))
# ifndef BOOST_NO_CXX11_VARIADIC_MACROS
-# define BOOST_STATIC_ASSERT_BOOL_CAST( ... ) ((__VA_ARGS__) == 0 ? false : true)
+# define BOOST_STATIC_ASSERT_BOOL_CAST( ... ) ((__VA_ARGS__) != 0)
# else
-# define BOOST_STATIC_ASSERT_BOOL_CAST( x ) ((x) == 0 ? false : true)
+# define BOOST_STATIC_ASSERT_BOOL_CAST( x ) ((x) != 0)
# endif
#else
# ifndef BOOST_NO_CXX11_VARIADIC_MACROS