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mp_units::hep::codata2022::permeability_of_vacuum

Synopsis

Declared in <mp-units/systems/hep/constants.h>

struct permeability_of_vacuum final :
    named_constant<symbol_text<6UL - 1, 5UL - 1>{u8"\316\274\342\202\200", "mu_0"},
                   mag_ratio<125663706127L, 100000000000L> * mag_power<10, -6> * henry / meter,
                   (standard_uncertainty<mp_units::derived_unit<
                      mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-15, 1}.num>{},
                                                                             power_v<5L, ratio{-16, 1}.num>{}>{{}},
                                            mp_units::hep::henry>,
                      mp_units::per<mp_units::hep::meter>>>){mag_ratio<20, 10> * mag_power<10, -16> * henry / meter}>

Base Classes

NameDescription
named_constant<symbol_text<6UL - 1, 5UL - 1>{u8"\316\274\342\202\200", "mu_0"}, mag_ratio<125663706127L, 100000000000L> * mag_power<10, -6> * henry / meter, (standard_uncertainty<mp_units::derived_unit<mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-15, 1}.num>{}, power_v<5L, ratio{-16, 1}.num>{}>{{}}, mp_units::hep::henry>, mp_units::per<mp_units::hep::meter>>>){mag_ratio<20, 10> * mag_power<10, -16> * henry / meter}>