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mp_units::codata::codata2018::electron_proton_mass_ratio

Synopsis

Declared in <mp-units/systems/codata/codata2018.h>

struct electron_proton_mass_ratio final :
    named_constant<"electron_proton_mass_ratio", mag_ratio<544617021487L, 100000000000L> * mag_power<10, -4> * one,
                   (standard_uncertainty<
                     mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-15, 1}.num>{}, 3L,
                                                                            power_v<5L, ratio{-15, 1}.num>{}, 11L>{{}},
                                           mp_units::one>>){mag_ratio<33, 10> * mag_power<10, -14> * one}>

Base Classes

NameDescription
named_constant<"electron_proton_mass_ratio", mag_ratio<544617021487L, 100000000000L> * mag_power<10, -4> * one, (standard_uncertainty<mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-15, 1}.num>{}, 3L, power_v<5L, ratio{-15, 1}.num>{}, 11L>{{}}, mp_units::one>>){mag_ratio<33, 10> * mag_power<10, -14> * one}>