Le 19/01/12 19:49, Matthew Jenks a écrit :

Hello,

I have been trying to find in the boost libraries if there are any interoperability functions for Boost::Chrono and Boost::Posix_Time? Does anyone know if they exist and what class they are in?

Hi,

no, there aren't.

You can get them from https://svn.boost.org/svn/boost/sandbox/conversion/boost/conversion/boost/chrono_time_point_to_posix_time_ptime.hpp and https://svn.boost.org/svn/boost/sandbox/conversion/boost/conversion/boost/chrono_duration_to_posix_time_duration.hpp.

Of course, you should extract the code from to be independent of the proposed library TBoost.Conversion reviewed but without review results yet.

    template < typename Rep, typename Period>      posix_time::time_duration operator()(chrono::duration<Rep, Period> const & from)
      {
        typedef chrono::duration<Rep, Period> src_duration_t;
        typedef chrono::nanoseconds duration_t;
        typedef duration_t::rep rep_t;
        rep_t d = chrono::duration_cast<duration_t>(from).count();
        rep_t sec = d/1000000000;
        rep_t nsec = d%1000000000;
        return  posix_time::seconds(static_cast<long long>(sec))+
            #ifdef BOOST_DATE_TIME_HAS_NANOSECONDS
                posix_time::nanoseconds(nsec);
            #else
                posix_time::microseconds((nsec+500)/1000);
            #endif
      }

    template < typename Duration>
      posix_time::ptime operator()(const chrono::time_point<chrono::system_clock, Duration>& from)
      {
        typedef chrono::time_point<chrono::system_clock, Duration> time_point_t;
        typedef chrono::nanoseconds duration_t;
        typedef duration_t::rep rep_t;
        rep_t d = chrono::duration_cast<duration_t>(from.time_since_epoch()).count();
        rep_t sec = d/1000000000;
        rep_t nsec = d%1000000000;
        return  posix_time::from_time_t(0)+
                posix_time::seconds(static_cast<long>(sec))+
#ifdef BOOST_DATE_TIME_HAS_NANOSECONDS
                posix_time::nanoseconds(nsec);
#else
                posix_time::microseconds((nsec+500)/1000);
#endif
      }

HTH,
Vicente