C++ (Cpp) time_duration::ticks_per_second примеры использования

Пример #1

Файл: timespec.hpp Проект: CRF/passenger

 inline struct timespec get_timespec(boost::system_time const& abs_time)
 {
     struct timespec timeout={0};
     boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0);
     
     timeout.tv_sec=time_since_epoch.total_seconds();
     timeout.tv_nsec=time_since_epoch.fractional_seconds()*(1000000000/time_since_epoch.ticks_per_second());
     return timeout;
 }

Пример #2

Файл: platform_time.hpp Проект: betajippity/Nuparu

      platform_duration(boost::posix_time::time_duration const& rel_time)
      {
#if defined BOOST_THREAD_CHRONO_POSIX_API || defined BOOST_THREAD_CHRONO_MAC_API
        ts_val.tv_sec = rel_time.total_seconds();
        ts_val.tv_nsec = static_cast<long>(rel_time.fractional_seconds() * (1000000000l / rel_time.ticks_per_second()));
#else
        ns_val = static_cast<boost::time_max_t>(rel_time.total_seconds()) * 1000000000l;
        ns_val += rel_time.fractional_seconds() * (1000000000l / rel_time.ticks_per_second());
#endif
      }

Пример #3

Файл: xtime.hpp Проект: rogerclark/grumble

inline xtime get_xtime(boost::system_time const& abs_time)
{
    xtime res={0};
    boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0);
            
    res.sec=static_cast<xtime::xtime_sec_t>(time_since_epoch.total_seconds());
    res.nsec=static_cast<xtime::xtime_nsec_t>(time_since_epoch.fractional_seconds()*(1000000000/time_since_epoch.ticks_per_second()));
    return res;
}