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Revert [54025] "Try to avoid using special macro handling code."

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[SVN r54141]
This commit is contained in:
Daniel James
2009-06-21 09:41:46 +00:00
parent e20c872440
commit 13f44653b5
1 changed files with 40 additions and 6 deletions
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46
include/boost/functional/hash/detail/float_functions.hpp
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@@ -100,8 +100,7 @@ namespace BOOST_HASH_DETECT_FLOAT_FUNCTIONS {
#define BOOST_HASH_CALL_FLOAT_FUNC(cpp_func, c99_func, type1, type2) \
namespace BOOST_HASH_DETECT_FLOAT_FUNCTIONS { \
template <class Float> \
boost::hash_detail::not_found c99_func \
BOOST_PREVENT_MACRO_SUBSTITUTION (Float, type2); \
boost::hash_detail::not_found c99_func(Float, type2); \
} \
\
namespace boost { \
@@ -164,13 +163,48 @@ namespace boost { \
} \
}
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpf, float, int)
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpl, long double, int)
BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpf, float, int*)
BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpl, long double, int*)
#define BOOST_HASH_CALL_FLOAT_MACRO(cpp_func, c99_func, type1, type2) \
namespace boost { \
namespace hash_detail { \
\
template <> \
struct call_##cpp_func<type1> { \
typedef type1 float_type; \
inline type1 operator()(type1 x, type2 y) const { \
return c99_func(x, y); \
} \
}; \
} \
}
#if defined(ldexpf)
BOOST_HASH_CALL_FLOAT_MACRO(ldexp, ldexpf, float, int)
#else
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpf, float, int)
#endif
#if defined(ldexpl)
BOOST_HASH_CALL_FLOAT_MACRO(ldexp, ldexpl, long double, int)
#else
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpl, long double, int)
#endif
#if defined(frexpf)
BOOST_HASH_CALL_FLOAT_MACRO(frexp, frexpf, float, int*)
#else
BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpf, float, int*)
#endif
#if defined(frexpl)
BOOST_HASH_CALL_FLOAT_MACRO(frexp, frexpl, long double, int*)
#else
BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpl, long double, int*)
#endif
#undef BOOST_HASH_CALL_FLOAT_MACRO
#undef BOOST_HASH_CALL_FLOAT_FUNC
namespace boost
{
namespace hash_detail