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merged from trunk

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[SVN r47983]
This commit is contained in:
Eric Niebler
2008-08-05 05:39:57 +00:00
parent 8761af14b6
commit a565620db2
10 changed files with 1862 additions and 611 deletions
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75
include/boost/integer_traits.hpp
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@ -27,6 +27,8 @@
#include <wchar.h>
#endif
#include <boost/detail/extended_integer.hpp> // for BOOST_HAS_XINT, etc.
namespace boost {
template<class T>
@ -155,77 +157,18 @@ class integer_traits<unsigned long>
public detail::integer_traits_base<unsigned long, 0, ULONG_MAX>
{ };
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T)
#if defined(ULLONG_MAX) && defined(BOOST_HAS_LONG_LONG)
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && BOOST_HAS_XINT
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, LLONG_MIN, LLONG_MAX>
class integer_traits< detail::xint_t >
: public std::numeric_limits< detail::xint_t >,
public detail::integer_traits_base< detail::xint_t, BOOST_XINT_MIN, BOOST_XINT_MAX >
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULLONG_MAX>
class integer_traits< detail::uxint_t >
: public std::numeric_limits< detail::uxint_t >,
public detail::integer_traits_base< detail::uxint_t, 0u, BOOST_UXINT_MAX >
{ };
#elif defined(ULONG_LONG_MAX) && defined(BOOST_HAS_LONG_LONG)
template<>
class integer_traits< ::boost::long_long_type> : public std::numeric_limits< ::boost::long_long_type>, public detail::integer_traits_base< ::boost::long_long_type, LONG_LONG_MIN, LONG_LONG_MAX>{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULONG_LONG_MAX>
{ };
#elif defined(ULONGLONG_MAX) && defined(BOOST_HAS_LONG_LONG)
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, LONGLONG_MIN, LONGLONG_MAX>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULONGLONG_MAX>
{ };
#elif defined(_LLONG_MAX) && defined(_C2) && defined(BOOST_HAS_LONG_LONG)
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, -_LLONG_MAX - _C2, _LLONG_MAX>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, _ULLONG_MAX>
{ };
#elif defined(BOOST_HAS_LONG_LONG)
//
// we have long long but no constants, this happens for example with gcc in -ansi mode,
// we'll just have to work out the values for ourselves (assumes 2's compliment representation):
//
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, (1LL << (sizeof(::boost::long_long_type) - 1)), ~(1LL << (sizeof(::boost::long_long_type) - 1))>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ~0uLL>
{ };
#endif
#endif
} // namespace boost