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Hash workarounds for Digital Mars.

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[SVN r33958]
This commit is contained in:
Daniel James
2006-05-07 17:52:38 +00:00
parent 58aec4566a
commit f3e6c4e96a
2 changed files with 20 additions and 1 deletions
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2
include/boost/functional/detail/float_functions.hpp
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@@ -25,7 +25,7 @@
// STLport:
#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
# if defined(__GNUC__) && __GNUC__ < 3 && (defined(linux) || defined(__linux) || defined(__linux__))
# if (defined(__GNUC__) && __GNUC__ < 3 && (defined(linux) || defined(__linux) || defined(__linux__))) || defined(__DMC__)
# define BOOST_HASH_USE_C99_FLOAT_FUNCS
# elif defined(BOOST_MSVC) && BOOST_MSVC < 1300
# define BOOST_HASH_USE_C99_FLOAT_FUNCS

19
include/boost/functional/hash/hash.hpp
View File

@@ -41,7 +41,11 @@ namespace boost
std::size_t hash_value(long);
std::size_t hash_value(unsigned long);
#if !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x847))
template <class T> std::size_t hash_value(T* const&);
#else
template <class T> std::size_t hash_value(T*);
#endif
#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
template< class T, unsigned N >
@@ -105,7 +109,11 @@ namespace boost
}
// Implementation by Alberto Barbati and Dave Harris.
#if !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x847))
template <class T> std::size_t hash_value(T* const& v)
#else
template <class T> std::size_t hash_value(T* v)
#endif
{
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(v));
@@ -460,6 +468,17 @@ namespace boost
#endif
};
#if BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x847))
template <class T, unsigned int n> struct hash<T[n]>
: std::unary_function<T[n], std::size_t>
{
std::size_t operator()(const T* val) const
{
return boost::hash_range(val, val+n);
}
};
#endif
#elif !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
// On compilers without partial specialization, boost::hash<T>