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author | Remko Tronçon <git@el-tramo.be> | 2010-04-11 18:19:17 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-04-11 19:20:07 (GMT) |
commit | 857e44c156a1dbefcb49bb5792c4384cebd8762a (patch) | |
tree | 11947fb81ad9c502627f1b2bb8f090fb8d53c107 /3rdParty/Boost/src/boost/type_traits/is_signed.hpp | |
parent | 77d4eb7588e113beaa03f3347523b26adefdeb06 (diff) | |
download | swift-contrib-857e44c156a1dbefcb49bb5792c4384cebd8762a.zip swift-contrib-857e44c156a1dbefcb49bb5792c4384cebd8762a.tar.bz2 |
Updated Boost to 1.42.
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> |