mp_units::codata::electron_relative_atomic_mass¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2022.h>
struct electron_relative_atomic_mass final :
named_constant<
"electron_relative_atomic_mass", mag_ratio<5485799090441L, 1000000000000L> * mag_power<10, -4> * one,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-16, 1}.num>{}, power_v<5L, ratio{-16, 1}.num>{}, 97L>{{}},
mp_units::one>>){mag_ratio<97, 10> * mag_power<10, -15> * one}>