diff options
Diffstat (limited to 'contrib/src/boost/type_traits/is_signed.hpp')
-rw-r--r-- | contrib/src/boost/type_traits/is_signed.hpp | 326 |
1 files changed, 163 insertions, 163 deletions
diff --git a/contrib/src/boost/type_traits/is_signed.hpp b/contrib/src/boost/type_traits/is_signed.hpp index e516f2c..70ca2e4 100644 --- a/contrib/src/boost/type_traits/is_signed.hpp +++ b/contrib/src/boost/type_traits/is_signed.hpp @@ -1,163 +1,163 @@ -
-// (C) Copyright John Maddock 2005.
-// 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_SIGNED_HPP_INCLUDED
-#define BOOST_TT_IS_SIGNED_HPP_INCLUDED
-
-#include <boost/type_traits/is_integral.hpp>
-#include <boost/type_traits/remove_cv.hpp>
-#include <boost/type_traits/is_enum.hpp>
-#include <climits>
-
-namespace boost {
-
-#if !defined( __CODEGEARC__ )
-
-#if !(defined(BOOST_MSVC) && BOOST_MSVC <= 1310) && \
- !(defined(__EDG_VERSION__) && __EDG_VERSION__ <= 238) &&\
- !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION)
-
-namespace detail{
-
-template <class T>
-struct is_signed_values
-{
- //
- // Note that we cannot use BOOST_STATIC_CONSTANT here, using enum's
- // rather than "real" static constants simply doesn't work or give
- // the correct answer.
- //
- typedef typename remove_cv<T>::type no_cv_t;
- static const no_cv_t minus_one = (static_cast<no_cv_t>(-1));
- static const 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 = (!(::boost::detail::is_signed_values<T>::minus_one > boost::detail::is_signed_values<T>::zero)));
-};
-
-template <bool integral_type>
-struct is_signed_select_helper
-{
- template <class T>
- struct rebind
- {
- typedef is_signed_helper<T> type;
- };
-};
-
-template <>
-struct is_signed_select_helper<false>
-{
- template <class T>
- struct rebind
- {
- typedef false_type type;
- };
-};
-
-template <class T>
-struct is_signed_impl
-{
- typedef ::boost::detail::is_signed_select_helper< ::boost::is_integral<T>::value || ::boost::is_enum<T>::value> selector;
- typedef typename selector::template rebind<T> binder;
- typedef typename binder::type type;
- BOOST_STATIC_CONSTANT(bool, value = type::value);
-};
-
-}
-
-template <class T> struct is_signed : public integral_constant<bool, boost::detail::is_signed_impl<T>::value> {};
-
-#else
-
-template <class T> struct is_signed : public false_type{};
-
-#endif
-
-#else //defined( __CODEGEARC__ )
- template <class T> struct is_signed : public integral_constant<bool, __is_signed(T)>{};
-#endif
-
-template <> struct is_signed<signed char> : public true_type{};
-template <> struct is_signed<const signed char> : public true_type{};
-template <> struct is_signed<volatile signed char> : public true_type{};
-template <> struct is_signed<const volatile signed char> : public true_type{};
-template <> struct is_signed<short> : public true_type{};
-template <> struct is_signed<const short> : public true_type{};
-template <> struct is_signed<volatile short> : public true_type{};
-template <> struct is_signed<const volatile short> : public true_type{};
-template <> struct is_signed<int> : public true_type{};
-template <> struct is_signed<const int> : public true_type{};
-template <> struct is_signed<volatile int> : public true_type{};
-template <> struct is_signed<const volatile int> : public true_type{};
-template <> struct is_signed<long> : public true_type{};
-template <> struct is_signed<const long> : public true_type{};
-template <> struct is_signed<volatile long> : public true_type{};
-template <> struct is_signed<const volatile long> : public true_type{};
-
-template <> struct is_signed<unsigned char> : public false_type{};
-template <> struct is_signed<const unsigned char> : public false_type{};
-template <> struct is_signed<volatile unsigned char> : public false_type{};
-template <> struct is_signed<const volatile unsigned char> : public false_type{};
-template <> struct is_signed<unsigned short> : public false_type{};
-template <> struct is_signed<const unsigned short> : public false_type{};
-template <> struct is_signed<volatile unsigned short> : public false_type{};
-template <> struct is_signed<const volatile unsigned short> : public false_type{};
-template <> struct is_signed<unsigned int> : public false_type{};
-template <> struct is_signed<const unsigned int> : public false_type{};
-template <> struct is_signed<volatile unsigned int> : public false_type{};
-template <> struct is_signed<const volatile unsigned int> : public false_type{};
-template <> struct is_signed<unsigned long> : public false_type{};
-template <> struct is_signed<const unsigned long> : public false_type{};
-template <> struct is_signed<volatile unsigned long> : public false_type{};
-template <> struct is_signed<const volatile unsigned long> : public false_type{};
-#ifdef BOOST_HAS_LONG_LONG
-template <> struct is_signed< ::boost::long_long_type> : public true_type{};
-template <> struct is_signed<const ::boost::long_long_type> : public true_type{};
-template <> struct is_signed<volatile ::boost::long_long_type> : public true_type{};
-template <> struct is_signed<const volatile ::boost::long_long_type> : public true_type{};
-
-template <> struct is_signed< ::boost::ulong_long_type> : public false_type{};
-template <> struct is_signed<const ::boost::ulong_long_type> : public false_type{};
-template <> struct is_signed<volatile ::boost::ulong_long_type> : public false_type{};
-template <> struct is_signed<const volatile ::boost::ulong_long_type> : public false_type{};
-#endif
-#if defined(CHAR_MIN)
-#if CHAR_MIN != 0
-template <> struct is_signed<char> : public true_type{};
-template <> struct is_signed<const char> : public true_type{};
-template <> struct is_signed<volatile char> : public true_type{};
-template <> struct is_signed<const volatile char> : public true_type{};
-#else
-template <> struct is_signed<char> : public false_type{};
-template <> struct is_signed<const char> : public false_type{};
-template <> struct is_signed<volatile char> : public false_type{};
-template <> struct is_signed<const volatile char> : public false_type{};
-#endif
-#endif
-#if defined(WCHAR_MIN) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-#if WCHAR_MIN != 0
-template <> struct is_signed<wchar_t> : public true_type{};
-template <> struct is_signed<const wchar_t> : public true_type{};
-template <> struct is_signed<volatile wchar_t> : public true_type{};
-template <> struct is_signed<const volatile wchar_t> : public true_type{};
-#else
-template <> struct is_signed<wchar_t> : public false_type{};
-template <> struct is_signed<const wchar_t> : public false_type{};
-template <> struct is_signed<volatile wchar_t> : public false_type{};
-template <> struct is_signed<const volatile wchar_t> : public false_type{};
-#endif
-#endif
-} // namespace boost
-
-#endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
+ +// (C) Copyright John Maddock 2005. +// 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_SIGNED_HPP_INCLUDED +#define BOOST_TT_IS_SIGNED_HPP_INCLUDED + +#include <boost/type_traits/is_integral.hpp> +#include <boost/type_traits/remove_cv.hpp> +#include <boost/type_traits/is_enum.hpp> +#include <climits> + +namespace boost { + +#if !defined( __CODEGEARC__ ) + +#if !(defined(BOOST_MSVC) && BOOST_MSVC <= 1310) && \ + !(defined(__EDG_VERSION__) && __EDG_VERSION__ <= 238) &&\ + !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) + +namespace detail{ + +template <class T> +struct is_signed_values +{ + // + // Note that we cannot use BOOST_STATIC_CONSTANT here, using enum's + // rather than "real" static constants simply doesn't work or give + // the correct answer. + // + typedef typename remove_cv<T>::type no_cv_t; + static const no_cv_t minus_one = (static_cast<no_cv_t>(-1)); + static const 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 = (!(::boost::detail::is_signed_values<T>::minus_one > boost::detail::is_signed_values<T>::zero))); +}; + +template <bool integral_type> +struct is_signed_select_helper +{ + template <class T> + struct rebind + { + typedef is_signed_helper<T> type; + }; +}; + +template <> +struct is_signed_select_helper<false> +{ + template <class T> + struct rebind + { + typedef false_type type; + }; +}; + +template <class T> +struct is_signed_impl +{ + typedef ::boost::detail::is_signed_select_helper< ::boost::is_integral<T>::value || ::boost::is_enum<T>::value> selector; + typedef typename selector::template rebind<T> binder; + typedef typename binder::type type; + BOOST_STATIC_CONSTANT(bool, value = type::value); +}; + +} + +template <class T> struct is_signed : public integral_constant<bool, boost::detail::is_signed_impl<T>::value> {}; + +#else + +template <class T> struct is_signed : public false_type{}; + +#endif + +#else //defined( __CODEGEARC__ ) + template <class T> struct is_signed : public integral_constant<bool, __is_signed(T)>{}; +#endif + +template <> struct is_signed<signed char> : public true_type{}; +template <> struct is_signed<const signed char> : public true_type{}; +template <> struct is_signed<volatile signed char> : public true_type{}; +template <> struct is_signed<const volatile signed char> : public true_type{}; +template <> struct is_signed<short> : public true_type{}; +template <> struct is_signed<const short> : public true_type{}; +template <> struct is_signed<volatile short> : public true_type{}; +template <> struct is_signed<const volatile short> : public true_type{}; +template <> struct is_signed<int> : public true_type{}; +template <> struct is_signed<const int> : public true_type{}; +template <> struct is_signed<volatile int> : public true_type{}; +template <> struct is_signed<const volatile int> : public true_type{}; +template <> struct is_signed<long> : public true_type{}; +template <> struct is_signed<const long> : public true_type{}; +template <> struct is_signed<volatile long> : public true_type{}; +template <> struct is_signed<const volatile long> : public true_type{}; + +template <> struct is_signed<unsigned char> : public false_type{}; +template <> struct is_signed<const unsigned char> : public false_type{}; +template <> struct is_signed<volatile unsigned char> : public false_type{}; +template <> struct is_signed<const volatile unsigned char> : public false_type{}; +template <> struct is_signed<unsigned short> : public false_type{}; +template <> struct is_signed<const unsigned short> : public false_type{}; +template <> struct is_signed<volatile unsigned short> : public false_type{}; +template <> struct is_signed<const volatile unsigned short> : public false_type{}; +template <> struct is_signed<unsigned int> : public false_type{}; +template <> struct is_signed<const unsigned int> : public false_type{}; +template <> struct is_signed<volatile unsigned int> : public false_type{}; +template <> struct is_signed<const volatile unsigned int> : public false_type{}; +template <> struct is_signed<unsigned long> : public false_type{}; +template <> struct is_signed<const unsigned long> : public false_type{}; +template <> struct is_signed<volatile unsigned long> : public false_type{}; +template <> struct is_signed<const volatile unsigned long> : public false_type{}; +#ifdef BOOST_HAS_LONG_LONG +template <> struct is_signed< ::boost::long_long_type> : public true_type{}; +template <> struct is_signed<const ::boost::long_long_type> : public true_type{}; +template <> struct is_signed<volatile ::boost::long_long_type> : public true_type{}; +template <> struct is_signed<const volatile ::boost::long_long_type> : public true_type{}; + +template <> struct is_signed< ::boost::ulong_long_type> : public false_type{}; +template <> struct is_signed<const ::boost::ulong_long_type> : public false_type{}; +template <> struct is_signed<volatile ::boost::ulong_long_type> : public false_type{}; +template <> struct is_signed<const volatile ::boost::ulong_long_type> : public false_type{}; +#endif +#if defined(CHAR_MIN) +#if CHAR_MIN != 0 +template <> struct is_signed<char> : public true_type{}; +template <> struct is_signed<const char> : public true_type{}; +template <> struct is_signed<volatile char> : public true_type{}; +template <> struct is_signed<const volatile char> : public true_type{}; +#else +template <> struct is_signed<char> : public false_type{}; +template <> struct is_signed<const char> : public false_type{}; +template <> struct is_signed<volatile char> : public false_type{}; +template <> struct is_signed<const volatile char> : public false_type{}; +#endif +#endif +#if defined(WCHAR_MIN) && !defined(BOOST_NO_INTRINSIC_WCHAR_T) +#if WCHAR_MIN != 0 +template <> struct is_signed<wchar_t> : public true_type{}; +template <> struct is_signed<const wchar_t> : public true_type{}; +template <> struct is_signed<volatile wchar_t> : public true_type{}; +template <> struct is_signed<const volatile wchar_t> : public true_type{}; +#else +template <> struct is_signed<wchar_t> : public false_type{}; +template <> struct is_signed<const wchar_t> : public false_type{}; +template <> struct is_signed<volatile wchar_t> : public false_type{}; +template <> struct is_signed<const volatile wchar_t> : public false_type{}; +#endif +#endif +} // namespace boost + +#endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED |