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Try to deal with macros for frexpl and ldexpl.

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The error message for msvc-9.0~wm5~stlport5.2 suggests that frexpl and ldexpl
are macros.

[SVN r53205]
This commit is contained in:
Daniel James
2009-05-23 15:21:38 +00:00
parent 3e320b7ae5
commit e5d343faea
1 changed files with 46 additions and 2 deletions
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48
include/boost/functional/hash/detail/float_functions.hpp
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@@ -10,7 +10,6 @@
#include <boost/config/no_tr1/cmath.hpp>
#include <boost/type_traits/ice.hpp>
#include <boost/detail/select_type.hpp>
//#include <boost/assert.hpp>
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
@@ -33,10 +32,18 @@ namespace BOOST_HASH_DETECT_FLOAT_FUNCTIONS {
struct none {};
#if !defined(ldexpf)
none ldexpf(int, int);
#endif
#if !defined(ldexpl)
none ldexpl(int, int);
#endif
#if !defined(frexpf)
none frexpf(int, int*);
#endif
#if !defined(frexpl)
none frexpl(int, int*);
#endif
template <class Float> none ldexp(Float, int);
template <class Float> none frexp(Float, int*);
@@ -80,11 +87,48 @@ namespace boost {
}; \
}
#define BOOST_HASH_CALL_FLOAT_MACRO(func, type, type2) \
struct func##_access { \
template <typename Float> \
struct check { \
BOOST_STATIC_CONSTANT(bool, value = true); \
}; \
\
template <typename Float> \
struct call \
{ \
Float operator()(Float a, type2 b) const \
{ \
return func(a, b); \
} \
}; \
}
#if defined(ldexpf)
BOOST_HASH_CALL_FLOAT_MACRO(ldexpf, float, int);
#else
BOOST_HASH_CALL_FLOAT_FUNC(ldexpf, int);
#endif
#if defined(ldexpl)
BOOST_HASH_CALL_FLOAT_MACRO(ldexpl, long double, int);
#else
BOOST_HASH_CALL_FLOAT_FUNC(ldexpl, int);
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, int);
#endif
#if defined(frexpf)
BOOST_HASH_CALL_FLOAT_MACRO(frexpf, float, int*);
#else
BOOST_HASH_CALL_FLOAT_FUNC(frexpf, int*);
#endif
#if defined(frexpl)
BOOST_HASH_CALL_FLOAT_MACRO(frexpl, long double, int*);
#else
BOOST_HASH_CALL_FLOAT_FUNC(frexpl, int*);
#endif
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, int);
BOOST_HASH_CALL_FLOAT_FUNC(frexp, int*);
#undef BOOST_CALL_HAS_FLOAT_FUNC