diff options
author | Stefan Radomski <github@mintwerk.de> | 2016-05-12 13:12:33 (GMT) |
---|---|---|
committer | Stefan Radomski <github@mintwerk.de> | 2016-05-12 13:12:33 (GMT) |
commit | b62e7979600feee23dc7cdb61042a8fc7673122b (patch) | |
tree | f7351372f37979dd2d048e0b68a16a4cd3b2aadb /contrib/src/boost/type_traits/make_unsigned.hpp | |
parent | 1b11b310be61e51b3ac5ebb83f7c8a33aef3d6e8 (diff) | |
download | uscxml-b62e7979600feee23dc7cdb61042a8fc7673122b.zip uscxml-b62e7979600feee23dc7cdb61042a8fc7673122b.tar.gz uscxml-b62e7979600feee23dc7cdb61042a8fc7673122b.tar.bz2 |
Major Refactoring v2.0
Diffstat (limited to 'contrib/src/boost/type_traits/make_unsigned.hpp')
-rw-r--r-- | contrib/src/boost/type_traits/make_unsigned.hpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/contrib/src/boost/type_traits/make_unsigned.hpp b/contrib/src/boost/type_traits/make_unsigned.hpp new file mode 100644 index 0000000..4b21eba --- /dev/null +++ b/contrib/src/boost/type_traits/make_unsigned.hpp @@ -0,0 +1,130 @@ + +// (C) Copyright John Maddock 2007. +// 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_MAKE_UNSIGNED_HPP_INCLUDED +#define BOOST_TT_MAKE_UNSIGNED_HPP_INCLUDED + +#include <boost/type_traits/conditional.hpp> +#include <boost/type_traits/is_integral.hpp> +#include <boost/type_traits/is_signed.hpp> +#include <boost/type_traits/is_unsigned.hpp> +#include <boost/type_traits/is_enum.hpp> +#include <boost/type_traits/is_same.hpp> +#include <boost/type_traits/remove_cv.hpp> +#include <boost/type_traits/is_const.hpp> +#include <boost/type_traits/is_volatile.hpp> +#include <boost/type_traits/add_const.hpp> +#include <boost/type_traits/add_volatile.hpp> +#include <boost/static_assert.hpp> + +namespace boost { + +template <class T> +struct make_unsigned +{ +private: + BOOST_STATIC_ASSERT_MSG((::boost::is_integral<T>::value || ::boost::is_enum<T>::value), "The template argument to make_unsigned must be an integer or enum type."); + BOOST_STATIC_ASSERT_MSG((! ::boost::is_same<typename remove_cv<T>::type, bool>::value), "The template argument to make_unsigned must not be the type bool"); + + typedef typename remove_cv<T>::type t_no_cv; + typedef typename conditional< + (::boost::is_unsigned<T>::value && ::boost::is_integral<T>::value + && ! ::boost::is_same<t_no_cv, char>::value + && ! ::boost::is_same<t_no_cv, wchar_t>::value + && ! ::boost::is_same<t_no_cv, bool>::value), + T, + typename conditional< + (::boost::is_integral<T>::value + && ! ::boost::is_same<t_no_cv, char>::value + && ! ::boost::is_same<t_no_cv, wchar_t>::value + && ! ::boost::is_same<t_no_cv, bool>::value), + typename conditional< + is_same<t_no_cv, signed char>::value, + unsigned char, + typename conditional< + is_same<t_no_cv, short>::value, + unsigned short, + typename conditional< + is_same<t_no_cv, int>::value, + unsigned int, + typename conditional< + is_same<t_no_cv, long>::value, + unsigned long, +#if defined(BOOST_HAS_LONG_LONG) +#ifdef BOOST_HAS_INT128 + typename conditional< + sizeof(t_no_cv) == sizeof(boost::ulong_long_type), + boost::ulong_long_type, + boost::uint128_type + >::type +#else + boost::ulong_long_type +#endif +#elif defined(BOOST_HAS_MS_INT64) + unsigned __int64 +#else + unsigned long +#endif + >::type + >::type + >::type + >::type, + // Not a regular integer type: + typename conditional< + sizeof(t_no_cv) == sizeof(unsigned char), + unsigned char, + typename conditional< + sizeof(t_no_cv) == sizeof(unsigned short), + unsigned short, + typename conditional< + sizeof(t_no_cv) == sizeof(unsigned int), + unsigned int, + typename conditional< + sizeof(t_no_cv) == sizeof(unsigned long), + unsigned long, +#if defined(BOOST_HAS_LONG_LONG) +#ifdef BOOST_HAS_INT128 + typename conditional< + sizeof(t_no_cv) == sizeof(boost::ulong_long_type), + boost::ulong_long_type, + boost::uint128_type + >::type +#else + boost::ulong_long_type +#endif +#elif defined(BOOST_HAS_MS_INT64) + unsigned __int64 +#else + unsigned long +#endif + >::type + >::type + >::type + >::type + >::type + >::type base_integer_type; + + // Add back any const qualifier: + typedef typename conditional< + is_const<T>::value, + typename add_const<base_integer_type>::type, + base_integer_type + >::type const_base_integer_type; +public: + // Add back any volatile qualifier: + typedef typename conditional< + is_volatile<T>::value, + typename add_volatile<const_base_integer_type>::type, + const_base_integer_type + >::type type; +}; + +} // namespace boost + +#endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED + |