mp_units::codata::atomic_unit_of_time¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2022.h>
struct atomic_unit_of_time final :
named_constant<
"atomic_unit_of_time", mag_ratio<24188843265864L, 10000000000000L> * mag_power<10, -17> * si::second,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-29, 1}.num>{}, power_v<5L, ratio{-30, 1}.num>{}, 13L>{{}},
mp_units::si::second>>){mag_ratio<26, 10> * mag_power<10, -29> * si::second}>