[Boost-bugs] [Boost C++ Libraries] #10154: Compilation error in gregorian_calendar.ipp: is_leap_year

Subject: [Boost-bugs] [Boost C++ Libraries] #10154: Compilation error in gregorian_calendar.ipp: is_leap_year
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2014-06-26 15:53:54

#10154: Compilation error in gregorian_calendar.ipp: is_leap_year
------------------------------+------------------------
 Reporter:  anonymous         |      Owner:  az_sw_dude
     Type:  Bugs              |     Status:  new
Milestone:  To Be Determined  |  Component:  date_time
  Version:  Boost 1.55.0      |   Severity:  Problem
 Keywords:                    |
------------------------------+------------------------
 Using visual studio 2013, I get the following compilation error:

 1>C:\Libs\CLibs\boost_1.55.0\include\boost/date_time/gregorian_calendar.ipp(167):
 error C2675: unary '!' : 'boost::type' does not define this operator or a
 conversion to a type acceptable to the predefined operator
 1>
 C:\Libs\CLibs\boost_1.55.0\include\boost/date_time/gregorian_calendar.ipp(165)
 : while compiling class template member function 'bool
 boost::date_time::gregorian_calendar_base<boost::gregorian::greg_year_month_day,unsigned
 int>::is_leap_year(boost::gregorian::greg_year)'
 1>
 C:\Libs\CLibs\boost_1.55.0\include\boost/date_time/gregorian_calendar.ipp(51)
 : see reference to function template instantiation 'bool
 boost::date_time::gregorian_calendar_base<boost::gregorian::greg_year_month_day,unsigned
 int>::is_leap_year(boost::gregorian::greg_year)' being compiled
 1>
 C:\Libs\CLibs\boost_1.55.0\include\boost/date_time/gregorian_calendar.ipp(22)
 : while compiling class template member function 'unsigned short
 boost::date_time::gregorian_calendar_base<boost::gregorian::greg_year_month_day,unsigned
 int>::day_of_week(const
 boost::date_time::year_month_day_base<boost::gregorian::greg_year,boost::gregorian::greg_month,boost::gregorian::greg_day>
 &)'
 1>
 C:\Libs\CLibs\boost_1.55.0\include\boost/date_time/date.hpp(95) : see
 reference to function template instantiation 'unsigned short
 boost::date_time::gregorian_calendar_base<boost::gregorian::greg_year_month_day,unsigned
 int>::day_of_week(const
 boost::date_time::year_month_day_base<boost::gregorian::greg_year,boost::gregorian::greg_month,boost::gregorian::greg_day>
 &)' being compiled
 1>
 C:\Libs\CLibs\boost_1.55.0\include\boost/date_time/gregorian/greg_calendar.hpp(27)
 : see reference to class template instantiation
 'boost::date_time::gregorian_calendar_base<boost::gregorian::greg_year_month_day,unsigned
 int>' being compiled

 ---

 Include tree:

 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/thread.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/thread/thread.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/thread/thread_only.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/thread/win32/thread_data.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/thread/thread_time.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/posix_time/posix_tim
 e_types.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/posix_time/ptime.hpp
 "
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/posix_time/posix_tim
 e_system.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/posix_time/posix_ti
 me_config.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/gregorian/gregorian
 _types.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/gregorian/greg_cale
 ndar.hpp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/gregorian_calendar.h
 pp"
 "C:\\Libs\\CLibs\\boost_1.55.0\\include\\boost/date_time/gregorian_calendar.i
 pp"

 ---

 Changing the line 167 to:

     return (!((unsigned short)year % 4))  && (((unsigned short)year % 100)
 || (!((unsigned short)year % 400)));

 ... fixes the problem.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/10154>
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