mp_units::codata::proton_relative_atomic_mass¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2022.h>
struct proton_relative_atomic_mass final :
named_constant<
"proton_relative_atomic_mass", mag_ratio<10072764665789L, 10000000000000L> * one,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-13, 1}.num>{}, power_v<5L, ratio{-13, 1}.num>{}, 83L>{{}},
mp_units::one>>){mag_ratio<83, 10> * mag_power<10, -12> * one}>