mp_units::codata::codata2014::helion_g_factor¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2014.h>
struct helion_g_factor final :
named_constant<
"g_h", -mag_ratio<4255250616L, 1000000000> * one,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-8, 1}.num>{}, power_v<5L, ratio{-7, 1}.num>{}>{{}},
mp_units::one>>){mag_ratio<50, 10> * mag_power<10, -8> * one}>