}
time_type operator+=(const time_duration_type& td)
{
- time_ = (time_system::get_time_rep(date(), time_of_day() + td));
+ time_ = time_system::add_time_duration(time_,td);
return time_type(time_);
}
//! subtract time durations
}
time_type operator-=(const time_duration_type& td)
{
- time_ = (time_system::get_time_rep(date(), time_of_day() - td));
+ time_ = time_system::subtract_time_duration(time_, td);
return time_type(time_);
}