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refactor: physical constants refactored

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Mateusz Pusz
2022-11-10 14:39:05 -10:00
parent d75f22ecc4
commit 8300305dd3
1 changed files with 26 additions and 35 deletions
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61
src/systems/si/include/units/si/constants.h
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@@ -33,48 +33,39 @@ namespace units::si {
namespace si2019 { namespace si2019 {
// clang-format off // clang-format off
inline constexpr struct mag_planck : decltype(mag<ratio(662'607'015, 100'000'000)> * mag_power<10, -34>) {} mag_planck; inline constexpr struct hyperfine_structure_transition_frequency_of_cs_unit :
inline constexpr struct mag_speed_of_light : decltype(mag<299'792'458>) {} mag_speed_of_light; constant_unit<basic_symbol_text{"ΔνCs" "dvCs"}, mag<9'192'631'770> * hertz> {} hyperfine_structure_transition_frequency_of_cs_unit;
inline constexpr struct speed_of_light_in_vacuum_unit :
constant_unit<"c", mag<299'792'458> * metre / second> {} speed_of_light_in_vacuum_unit;
inline constexpr struct planck_constant_unit :
constant_unit<"h", mag<ratio{662'607'015, 100'000'000}> * mag_power<10, -34> * joule * second> {} planck_constant_unit;
inline constexpr struct elementary_charge_unit :
constant_unit<"e", mag<ratio{1'602'176'634, 1'000'000'000}> * mag_power<10, -19> * coulomb> {} elementary_charge_unit;
inline constexpr struct boltzmann_constant_unit :
constant_unit<"k", mag<ratio{1'380'649, 1'000'000}> * mag_power<10, -23> * joule / kelvin> {} boltzmann_constant_unit;
inline constexpr struct avogadro_constant_unit :
constant_unit<"NA", mag<ratio{602'214'076, 100'000'000}> * mag_power<10, 23> * (1 / mole)> {} avogadro_constant_unit;
inline constexpr struct luminous_efficacy_unit :
constant_unit<"Kcd", mag<683> * lumen / watt> {} luminous_efficacy_unit;
// clang-format on // clang-format on
template<typename Rep = double> inline constexpr auto hyperfine_structure_transition_frequency_of_cs =
inline constexpr auto planck_constant = Rep{1} * (mag_planck * isq::energy[joule] * isq::time[second]); isq::frequency[hyperfine_structure_transition_frequency_of_cs_unit];
inline constexpr auto speed_of_light_in_vacuum = isq::speed[speed_of_light_in_vacuum_unit];
template<typename Rep = double> inline constexpr auto planck_constant = isq::action[planck_constant_unit];
inline constexpr auto speed_of_light = Rep{1} * isq::speed[mag_speed_of_light * metre / second]; // TODO uncomment the below when all the ISQ is provided
// inline constexpr auto elementary_charge = isq::electric_charge[elementary_charge_unit];
// template<Representation Rep = double> // inline constexpr auto boltzmann_constant = isq::heat_capacity[boltzmann_constant_unit];
// inline constexpr auto planck_constant = energy<joule, Rep>(6.62607015e-34) * time<second, Rep>(1); inline constexpr auto avogadro_constant = (1 / isq::amount_of_substance)[avogadro_constant_unit];
// inline constexpr auto luminous_efficacy = isq::luminous_efficacy_of_radiation[luminous_efficacy_unit];
// template<Representation Rep = double>
// inline constexpr auto elementary_charge = electric_charge<coulomb, Rep>(1.602176634e-19);
// template<Representation Rep = double>
// inline constexpr auto boltzmann_constant = energy<joule, Rep>(1.380649e-23) / thermodynamic_temperature<kelvin,
// Rep>(1);
// template<Representation Rep = double>
// inline constexpr auto avogadro_constant = Rep(6.02214076e23) / amount_of_substance<mole, Rep>(1);
// template<Representation Rep = double>
// inline constexpr auto speed_of_light = speed<metre_per_second, Rep>(299'792'458);
// template<Representation Rep = double>
// inline constexpr auto hyperfine_structure_transition_frequency = frequency<hertz, Rep>(Rep{9'192'631'770});
// template<Representation Rep = double>
// inline constexpr auto luminous_efficacy = luminous_flux<lumen, Rep>(683) / power<watt, Rep>(1);
// template<Representation Rep = double>
// inline constexpr auto standard_gravity = acceleration<metre_per_second_sq, Rep>(9.80665);
} // namespace si2019 } // namespace si2019
// clang-format off // clang-format off
inline constexpr struct mag_standard_gravity : decltype(mag<ratio{980'665, 10'000}>) {} mag_standard_gravity; inline constexpr struct standard_gravity_unit :
constant_unit<"g", mag<ratio{980'665, 100'000}> * metre / square<second>> {} standard_gravity_unit;
// clang-format on // clang-format on
template<typename Rep = double> inline constexpr auto standard_gravity = isq::acceleration[standard_gravity_unit];
inline constexpr auto standard_gravity = Rep{1} * isq::acceleration[mag_standard_gravity * metre / square<second>];
} // namespace units::si } // namespace units::si