| |
| // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. |
| // Use, modification and distribution are subject to the Boost Software License, |
| // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt). |
| // |
| // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
| |
| #ifndef BOOST_TT_IS_INTEGRAL_HPP_INCLUDED |
| #define BOOST_TT_IS_INTEGRAL_HPP_INCLUDED |
| |
| #include <boost/config.hpp> |
| #include <boost/type_traits/integral_constant.hpp> |
| |
| namespace boost { |
| |
| #if defined( __CODEGEARC__ ) |
| template <class T> |
| struct is_integral : public integral_constant<bool, __is_integral(T)> {}; |
| #else |
| |
| template <class T> struct is_integral : public false_type {}; |
| template <class T> struct is_integral<const T> : public is_integral<T> {}; |
| template <class T> struct is_integral<volatile const T> : public is_integral<T>{}; |
| template <class T> struct is_integral<volatile T> : public is_integral<T>{}; |
| |
| //* is a type T an [cv-qualified-] integral type described in the standard (3.9.1p3) |
| // as an extension we include long long, as this is likely to be added to the |
| // standard at a later date |
| template<> struct is_integral<unsigned char> : public true_type {}; |
| template<> struct is_integral<unsigned short> : public true_type{}; |
| template<> struct is_integral<unsigned int> : public true_type{}; |
| template<> struct is_integral<unsigned long> : public true_type{}; |
| |
| template<> struct is_integral<signed char> : public true_type{}; |
| template<> struct is_integral<short> : public true_type{}; |
| template<> struct is_integral<int> : public true_type{}; |
| template<> struct is_integral<long> : public true_type{}; |
| |
| template<> struct is_integral<char> : public true_type{}; |
| template<> struct is_integral<bool> : public true_type{}; |
| |
| #ifndef BOOST_NO_INTRINSIC_WCHAR_T |
| // If the following line fails to compile and you're using the Intel |
| // compiler, see http://lists.boost.org/MailArchives/boost-users/msg06567.php, |
| // and define BOOST_NO_INTRINSIC_WCHAR_T on the command line. |
| template<> struct is_integral<wchar_t> : public true_type{}; |
| #endif |
| |
| // Same set of integral types as in boost/type_traits/integral_promotion.hpp. |
| // Please, keep in sync. -- Alexander Nasonov |
| #if (defined(BOOST_INTEL_CXX_VERSION) && defined(_MSC_VER) && (BOOST_INTEL_CXX_VERSION <= 600)) \ |
| || (defined(__BORLANDC__) && (__BORLANDC__ == 0x600) && (_MSC_VER < 1300)) |
| template<> struct is_integral<unsigned __int8> : public true_type{}; |
| template<> struct is_integral<unsigned __int16> : public true_type{}; |
| template<> struct is_integral<unsigned __int32> : public true_type{}; |
| template<> struct is_integral<__int8> : public true_type{}; |
| template<> struct is_integral<__int16> : public true_type{}; |
| template<> struct is_integral<__int32> : public true_type{}; |
| #ifdef __BORLANDC__ |
| template<> struct is_integral<unsigned __int64> : public true_type{}; |
| template<> struct is_integral<__int64> : public true_type{}; |
| #endif |
| #endif |
| |
| # if defined(BOOST_HAS_LONG_LONG) |
| template<> struct is_integral< ::boost::ulong_long_type> : public true_type{}; |
| template<> struct is_integral< ::boost::long_long_type> : public true_type{}; |
| #elif defined(BOOST_HAS_MS_INT64) |
| template<> struct is_integral<unsigned __int64> : public true_type{}; |
| template<> struct is_integral<__int64> : public true_type{}; |
| #endif |
| |
| #ifdef BOOST_HAS_INT128 |
| template<> struct is_integral<boost::int128_type> : public true_type{}; |
| template<> struct is_integral<boost::uint128_type> : public true_type{}; |
| #endif |
| #ifndef BOOST_NO_CXX11_CHAR16_T |
| template<> struct is_integral<char16_t> : public true_type{}; |
| #endif |
| #ifndef BOOST_NO_CXX11_CHAR32_T |
| template<> struct is_integral<char32_t> : public true_type{}; |
| #endif |
| |
| #endif // non-CodeGear implementation |
| |
| } // namespace boost |
| |
| #endif // BOOST_TT_IS_INTEGRAL_HPP_INCLUDED |