include/__chrono/duration.h

81     typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
83         static_cast<typename _ToDuration::rep>(static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den)));
90     typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
92         static_cast<typename _ToDuration::rep>(static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)));
99     typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
101         static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) / static_cast<_Ct>(_Period::den)));
301     typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
302     return _Ct(__lhs).count() == _Ct(__rhs).count();
336     typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
337     return _Ct(__lhs).count() < _Ct(__rhs).count();
384   using _Ct = common_type_t<duration<_Rep1, _Period1>, duration<_Rep2, _Period2>>;
385   return _Ct(__lhs).count() <=> _Ct(__rhs).count();
450   typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct;
451   return _Ct(__lhs).count() / _Ct(__rhs).count();