diff options
Diffstat (limited to '3rdParty/Boost/src/boost/type_traits/is_signed.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/type_traits/is_signed.hpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/3rdParty/Boost/src/boost/type_traits/is_signed.hpp b/3rdParty/Boost/src/boost/type_traits/is_signed.hpp index 73389a1..bf7bbfd 100644 --- a/3rdParty/Boost/src/boost/type_traits/is_signed.hpp +++ b/3rdParty/Boost/src/boost/type_traits/is_signed.hpp @@ -27,10 +27,18 @@ namespace detail{ #if !(defined(__EDG_VERSION__) && __EDG_VERSION__ <= 238) template <class T> +struct is_signed_values +{ + typedef typename remove_cv<T>::type no_cv_t; + BOOST_STATIC_CONSTANT(no_cv_t, minus_one = (static_cast<no_cv_t>(-1))); + BOOST_STATIC_CONSTANT(no_cv_t, zero = (static_cast<no_cv_t>(0))); +}; + +template <class T> struct is_signed_helper { typedef typename remove_cv<T>::type no_cv_t; - BOOST_STATIC_CONSTANT(bool, value = (static_cast<no_cv_t>(-1) < 0)); + BOOST_STATIC_CONSTANT(bool, value = (!(::boost::detail::is_signed_values<T>::minus_one > boost::detail::is_signed_values<T>::zero))); }; template <bool integral_type> |