Re: [Boost-bugs] [Boost C++ Libraries] #6649: when i try to implement bimap, i have the following compiling error.

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #6649: when i try to implement bimap, i have the following compiling error.
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-03-05 16:17:17

#6649: when i try to implement bimap, i have the following compiling error.
--------------------------------+-------------------------------------------
  Reporter:  kuo7288@…          |       Owner:  matias                
      Type:  Bugs               |      Status:  new                   
 Milestone:  To Be Determined   |   Component:  bimap                 
   Version:  Boost 1.48.0       |    Severity:  Problem               
Resolution:                     |    Keywords:  fpclassify cmath bimap
--------------------------------+-------------------------------------------

Comment (by kuo7288@…):

 Replying to [ticket:6649 kuo7288@…]:
 > ../boost/boost/functional/hash/detail/hash_float.hpp:65: error: call of
 overloaded ‘fpclassify(float&)’ is ambiguous
 >
 > gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cmath:497:
 note: candidates are: typename
 __gnu_cxx::__enable_if<std::__is_arithmetic::__value, int>::__type
 std::fpclassify(_Tp) [with _Tp = float]
 >
 > I have no clue why this is happening, i thought it was fixed
 > https://svn.boost.org/trac/boost/ticket/2033


 > Today I compiled with template <class T>
 >        inline std::size_t float_hash_value(T v)
 >        {
 >            using namespace std;
 >            // compilation conflict, :: was added before fpclassify to
 help out with compilation
 >            switch ('''::'''fpclassify(v)) {
 > Can someone fix this problem please on the next release,
 std::fpclassify(v) also works
 >

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6649#comment:1>
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