mp_units::codata::codata2014::planck_constant¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2014_essential.h>
struct planck_constant final :
named_constant<"h", mag_ratio<6626070040L, 1000000000> * mag_power<10, -34> * si::joule * si::second,
(standard_uncertainty<mp_units::derived_unit<
mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-43, 1}.num>{},
power_v<3L, ratio{4, 1}.num>{},
power_v<5L, ratio{-43, 1}.num>{}>{{}},
mp_units::si::joule>,
mp_units::si::second>>){mag_ratio<81, 10> * mag_power<10, -42> * si::joule * si::second}>