mp_units::codata::codata2018::stefan_boltzmann_constant¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2018_essential.h>
struct stefan_boltzmann_constant final :
named_constant<symbol_text<3UL - 1, 6UL - 1>{u8"\317\203", "sigma"},
mag_ratio<2, 15> * pow<5>(π) * pow<4>(boltzmann_constant) / cubic(planck_constant) /
square(speed_of_light_in_vacuum)>