mp_units::codata::codata2018::electron_relative_atomic_mass¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2018.h>
struct electron_relative_atomic_mass final :
named_constant<
"electron_relative_atomic_mass", mag_ratio<548579909065L, 100000000000L> * mag_power<10, -4> * one,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-11, 1}.num>{}, power_v<5L, ratio{-15, 1}.num>{}>{{}},
mp_units::one>>){mag_ratio<16, 10> * mag_power<10, -14> * one}>