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Fixes for libs without numeric_limits<wchar_t> specializations.

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[SVN r21006]
This commit is contained in:
Dave Abrahams
2003-11-29 18:19:24 +00:00
parent a6ffdb8ebf
commit 8c01469b3c
1 changed files with 16 additions and 10 deletions
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26
include/boost/iterator/counting_iterator.hpp
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@ -34,20 +34,11 @@ namespace detail
# ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS # ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
# if defined(BOOST_HAS_LONG_LONG)
BOOST_STATIC_CONSTANT(
bool, value = (
std::numeric_limits<T>::is_specialized
| boost::is_same<T,long long>::value
| boost::is_same<T,unsigned long long>::value
));
# else
BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized); BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized);
# endif
# else # else
# if !defined(__BORLANDC__) # if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
BOOST_STATIC_CONSTANT( BOOST_STATIC_CONSTANT(
bool, value = ( bool, value = (
boost::is_convertible<int,T>::value boost::is_convertible<int,T>::value
@ -64,6 +55,21 @@ namespace detail
struct is_numeric struct is_numeric
: mpl::bool_<(::boost::detail::is_numeric_impl<T>::value)> : mpl::bool_<(::boost::detail::is_numeric_impl<T>::value)>
{}; {};
# if defined(BOOST_HAS_LONG_LONG)
template <>
struct is_numeric<long long>
: mpl::true_ {};
template <>
struct is_numeric<unsigned long long>
: mpl::true_ {};
# endif
// Some compilers fail to have a numeric_limits specialization
template <>
struct is_numeric<wchar_t>
: mpl::true_ {};
template <class T> template <class T>
struct numeric_difference struct numeric_difference