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Rename as_magnitude<...>() to mag<...>()

Browse Source 
This is easier to write and to read.
This commit is contained in:
Chip Hogg
2022-07-29 01:46:06 +00:00
parent 4912bac0c5
commit ea83af8aa9
36 changed files with 196 additions and 217 deletions
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6
example/custom_systems.cpp
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@@ -33,7 +33,7 @@ using namespace units;
namespace fps { namespace fps {
struct foot : named_unit<foot, "ft"> {}; struct foot : named_unit<foot, "ft"> {};
struct yard : named_scaled_unit<yard, "yd", as_magnitude<3>(), foot> {}; struct yard : named_scaled_unit<yard, "yd", mag<3>(), foot> {};
struct dim_length : base_dimension<"L", foot> {}; struct dim_length : base_dimension<"L", foot> {};
@@ -54,8 +54,8 @@ using length = quantity<dim_length, U, Rep>;
namespace fps { namespace fps {
struct foot : named_scaled_unit<foot, "ft", as_magnitude<ratio{3'048, 10'000}>(), metre> {}; struct foot : named_scaled_unit<foot, "ft", mag<ratio{3'048, 10'000}>(), metre> {};
struct yard : named_scaled_unit<yard, "yd", as_magnitude<3>(), foot> {}; struct yard : named_scaled_unit<yard, "yd", mag<3>(), foot> {};
struct dim_length : base_dimension<"L", foot> {}; struct dim_length : base_dimension<"L", foot> {};

3
src/core/include/units/bits/derived_scaled_unit.h
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@@ -39,8 +39,7 @@ inline constexpr bool compatible_units<exponent_list<Es...>, Us...> = (UnitOf<Us
template<Unit... Us, typename... Es> template<Unit... Us, typename... Es>
constexpr Magnitude auto derived_mag(exponent_list<Es...>) constexpr Magnitude auto derived_mag(exponent_list<Es...>)
{ {
return (as_magnitude<1>() * ... * return (mag<1>() * ... * pow<ratio{Es::num, Es::den}>(Us::mag / dimension_unit<typename Es::dimension>::mag));
pow<ratio{Es::num, Es::den}>(Us::mag / dimension_unit<typename Es::dimension>::mag));
} }
template<DerivedDimension D, Unit... Us> template<DerivedDimension D, Unit... Us>

4
src/core/include/units/bits/unit_text.h
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@@ -37,7 +37,7 @@ constexpr auto magnitude_text()
{ {
constexpr auto exp10 = extract_power_of_10(M); constexpr auto exp10 = extract_power_of_10(M);
constexpr Magnitude auto base = M / pow<exp10>(as_magnitude<10>()); constexpr Magnitude auto base = M / pow<exp10>(mag<10>());
constexpr Magnitude auto num = numerator(base); constexpr Magnitude auto num = numerator(base);
constexpr Magnitude auto den = denominator(base); constexpr Magnitude auto den = denominator(base);
static_assert(base == num / den, "Printing rational powers, or irrational bases, not yet supported"); static_assert(base == num / den, "Printing rational powers, or irrational bases, not yet supported");
@@ -72,7 +72,7 @@ constexpr auto magnitude_text()
template<Unit U, Magnitude auto M, std::size_t SymbolLen> template<Unit U, Magnitude auto M, std::size_t SymbolLen>
constexpr auto prefix_or_magnitude_text() constexpr auto prefix_or_magnitude_text()
{ {
if constexpr (M == as_magnitude<1>()) { if constexpr (M == mag<1>()) {
// no ratio/prefix // no ratio/prefix
return basic_fixed_string(""); return basic_fixed_string("");
} else { } else {

4
src/core/include/units/chrono.h
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@@ -34,7 +34,7 @@ namespace units {
template<typename Rep, typename Period> template<typename Rep, typename Period>
struct quantity_like_traits<std::chrono::duration<Rep, Period>> { struct quantity_like_traits<std::chrono::duration<Rep, Period>> {
private: private:
static constexpr auto mag = as_magnitude<ratio(Period::num, Period::den)>(); static constexpr auto mag = mag<ratio(Period::num, Period::den)>();
public: public:
using dimension = isq::si::dim_time; using dimension = isq::si::dim_time;
using unit = downcast_unit<dimension, mag>; using unit = downcast_unit<dimension, mag>;
@@ -48,7 +48,7 @@ struct clock_origin : point_origin<isq::si::dim_time> {};
template<typename C, typename Rep, typename Period> template<typename C, typename Rep, typename Period>
struct quantity_point_like_traits<std::chrono::time_point<C, std::chrono::duration<Rep, Period>>> { struct quantity_point_like_traits<std::chrono::time_point<C, std::chrono::duration<Rep, Period>>> {
private: private:
static constexpr auto mag = as_magnitude<ratio(Period::num, Period::den)>(); static constexpr auto mag = mag<ratio(Period::num, Period::den)>();
public: public:
using origin = clock_origin<C>; using origin = clock_origin<C>;
using unit = downcast_unit<typename origin::dimension, mag>; using unit = downcast_unit<typename origin::dimension, mag>;

2
src/core/include/units/generic/dimensionless.h
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@@ -31,7 +31,7 @@
namespace units { namespace units {
struct one : derived_unit<one> {}; struct one : derived_unit<one> {};
struct percent : named_scaled_unit<percent, "%", as_magnitude<ratio(1, 100)>(), one> {}; struct percent : named_scaled_unit<percent, "%", mag<ratio(1, 100)>(), one> {};
/** /**
* @brief Dimension one * @brief Dimension one

6
src/core/include/units/magnitude.h
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@@ -596,7 +596,7 @@ constexpr auto common_magnitude(magnitude<H1, T1...>, magnitude<H2, T2...>)
} }
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// `as_magnitude()` implementation. // `mag()` implementation.
// Sometimes we need to give the compiler a "shortcut" when factorizing large numbers (specifically, numbers whose // Sometimes we need to give the compiler a "shortcut" when factorizing large numbers (specifically, numbers whose
// _first factor_ is very large). If we don't, we can run into limits on the number of constexpr steps or iterations. // _first factor_ is very large). If we don't, we can run into limits on the number of constexpr steps or iterations.
@@ -647,7 +647,7 @@ inline constexpr auto prime_factorization_v = prime_factorization<N>::value;
*/ */
template<ratio R> template<ratio R>
requires(R.num > 0) requires(R.num > 0)
constexpr Magnitude auto as_magnitude() constexpr Magnitude auto mag()
{ {
return detail::prime_factorization_v<R.num> / detail::prime_factorization_v<R.den>; return detail::prime_factorization_v<R.num> / detail::prime_factorization_v<R.den>;
} }
@@ -659,7 +659,7 @@ template<ratio Base, ratio Pow>
requires(Base.num > 0) requires(Base.num > 0)
constexpr Magnitude auto mag_power() constexpr Magnitude auto mag_power()
{ {
return pow<Pow>(as_magnitude<Base>()); return pow<Pow>(mag<Base>());
} }
namespace detail { namespace detail {

4
src/core/include/units/unit.h
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@@ -80,7 +80,7 @@ struct same_unit_reference : is_same<typename U1::reference, typename U2::refere
* @tparam Symbol a short text representation of the unit * @tparam Symbol a short text representation of the unit
*/ */
template<typename Child, basic_symbol_text Symbol> template<typename Child, basic_symbol_text Symbol>
struct named_unit : downcast_dispatch<Child, scaled_unit<as_magnitude<1>(), Child>> { struct named_unit : downcast_dispatch<Child, scaled_unit<mag<1>(), Child>> {
static constexpr auto symbol = Symbol; static constexpr auto symbol = Symbol;
}; };
@@ -126,7 +126,7 @@ struct prefixed_unit : downcast_dispatch<Child, scaled_unit<P::mag * U::mag, typ
* @tparam Child inherited class type used by the downcasting facility (CRTP Idiom) * @tparam Child inherited class type used by the downcasting facility (CRTP Idiom)
*/ */
template<typename Child> template<typename Child>
struct derived_unit : downcast_dispatch<Child, scaled_unit<as_magnitude<1>(), Child>> {}; struct derived_unit : downcast_dispatch<Child, scaled_unit<mag<1>(), Child>> {};
/** /**
* @brief A unit with a deduced ratio and symbol * @brief A unit with a deduced ratio and symbol

16
src/systems/isq-iec80000/include/units/isq/iec80000/binary_prefixes.h
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@@ -26,13 +26,13 @@
namespace units::isq::iec80000 { namespace units::isq::iec80000 {
struct kibi : prefix<kibi, "Ki", pow<10>(as_magnitude<2>())> {}; struct kibi : prefix<kibi, "Ki", pow<10>(mag<2>())> {};
struct mebi : prefix<mebi, "Mi", pow<20>(as_magnitude<2>())> {}; struct mebi : prefix<mebi, "Mi", pow<20>(mag<2>())> {};
struct gibi : prefix<gibi, "Gi", pow<30>(as_magnitude<2>())> {}; struct gibi : prefix<gibi, "Gi", pow<30>(mag<2>())> {};
struct tebi : prefix<tebi, "Ti", pow<40>(as_magnitude<2>())> {}; struct tebi : prefix<tebi, "Ti", pow<40>(mag<2>())> {};
struct pebi : prefix<pebi, "Pi", pow<50>(as_magnitude<2>())> {}; struct pebi : prefix<pebi, "Pi", pow<50>(mag<2>())> {};
struct exbi : prefix<exbi, "Ei", pow<60>(as_magnitude<2>())> {}; struct exbi : prefix<exbi, "Ei", pow<60>(mag<2>())> {};
struct zebi : prefix<zebi, "Zi", pow<70>(as_magnitude<2>())> {}; struct zebi : prefix<zebi, "Zi", pow<70>(mag<2>())> {};
struct yobi : prefix<yobi, "Yi", pow<80>(as_magnitude<2>())> {}; struct yobi : prefix<yobi, "Yi", pow<80>(mag<2>())> {};
} // namespace units::isq::iec80000 } // namespace units::isq::iec80000

2
src/systems/isq-iec80000/include/units/isq/iec80000/storage_capacity.h
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@@ -53,7 +53,7 @@ struct tebibit : prefixed_unit<tebibit, tebi, bit> {};
struct pebibit : prefixed_unit<pebibit, pebi, bit> {}; struct pebibit : prefixed_unit<pebibit, pebi, bit> {};
struct exbibit : prefixed_unit<exbibit, exbi, bit> {}; struct exbibit : prefixed_unit<exbibit, exbi, bit> {};
struct byte : named_scaled_unit<byte, "B", as_magnitude<8>(), bit> {}; struct byte : named_scaled_unit<byte, "B", mag<8>(), bit> {};
struct kilobyte : prefixed_unit<kilobyte, si::kilo, byte> {}; struct kilobyte : prefixed_unit<kilobyte, si::kilo, byte> {};
struct megabyte : prefixed_unit<megabyte, si::mega, byte> {}; struct megabyte : prefixed_unit<megabyte, si::mega, byte> {};

2
src/systems/si-fps/include/units/isq/si/fps/force.h
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@@ -40,7 +40,7 @@ namespace units::isq::si::fps {
struct poundal : named_unit<poundal, "pdl"> {}; struct poundal : named_unit<poundal, "pdl"> {};
// https://en.wikipedia.org/wiki/Pound_(force) // https://en.wikipedia.org/wiki/Pound_(force)
struct pound_force : named_scaled_unit<pound_force, "lbf", as_magnitude<ratio(32'174'049, 1'000'000)>(), poundal> {}; struct pound_force : named_scaled_unit<pound_force, "lbf", mag<ratio(32'174'049, 1'000'000)>(), poundal> {};
struct kilopound_force : prefixed_unit<kilopound_force, si::kilo, pound_force> {}; struct kilopound_force : prefixed_unit<kilopound_force, si::kilo, pound_force> {};

2
src/systems/si-fps/include/units/isq/si/fps/length.h
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@@ -48,7 +48,7 @@ struct thousandth : alias_unit<thou, "thou"> {};
struct kiloyard : prefixed_unit<kiloyard, si::kilo, yard> {}; struct kiloyard : prefixed_unit<kiloyard, si::kilo, yard> {};
struct nautical_mile : named_scaled_unit<nautical_mile, "nmi", as_magnitude<2'000>(), yard> {}; struct nautical_mile : named_scaled_unit<nautical_mile, "nmi", mag<2'000>(), yard> {};
struct dim_length : isq::dim_length<foot> {}; struct dim_length : isq::dim_length<foot> {};

18
src/systems/si-fps/include/units/isq/si/fps/mass.h
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@@ -35,28 +35,28 @@
namespace units::isq::si::fps { namespace units::isq::si::fps {
// https://en.wikipedia.org/wiki/Pound_(mass) // https://en.wikipedia.org/wiki/Pound_(mass)
struct pound : named_scaled_unit<pound, "lb", as_magnitude<ratio(45'359'237, 100'000'000)>(), si::kilogram> {}; struct pound : named_scaled_unit<pound, "lb", mag<ratio(45'359'237, 100'000'000)>(), si::kilogram> {};
struct dim_mass : isq::dim_mass<pound> {}; struct dim_mass : isq::dim_mass<pound> {};
template<UnitOf<dim_mass> U, Representation Rep = double> template<UnitOf<dim_mass> U, Representation Rep = double>
using mass = quantity<dim_mass, U, Rep>; using mass = quantity<dim_mass, U, Rep>;
struct grain : named_scaled_unit<grain, "gr", as_magnitude<ratio(1, 7000)>(), pound> {}; struct grain : named_scaled_unit<grain, "gr", mag<ratio(1, 7000)>(), pound> {};
struct dram : named_scaled_unit<dram, "dr", as_magnitude<ratio(1, 256)>(), pound> {}; struct dram : named_scaled_unit<dram, "dr", mag<ratio(1, 256)>(), pound> {};
struct ounce : named_scaled_unit<ounce, "oz", as_magnitude<ratio(1, 16)>(), pound> {}; struct ounce : named_scaled_unit<ounce, "oz", mag<ratio(1, 16)>(), pound> {};
struct stone : named_scaled_unit<stone, "st", as_magnitude<14>(), pound> {}; struct stone : named_scaled_unit<stone, "st", mag<14>(), pound> {};
struct quarter : named_scaled_unit<quarter, "qr", as_magnitude<28>(), pound> {}; struct quarter : named_scaled_unit<quarter, "qr", mag<28>(), pound> {};
struct hundredweight : named_scaled_unit<hundredweight, "cwt", as_magnitude<112>(), pound> {}; struct hundredweight : named_scaled_unit<hundredweight, "cwt", mag<112>(), pound> {};
struct short_ton : named_scaled_unit<short_ton, "ton (short)", as_magnitude<2'000>(), pound> {}; struct short_ton : named_scaled_unit<short_ton, "ton (short)", mag<2'000>(), pound> {};
struct long_ton : named_scaled_unit<long_ton, "ton (long)", as_magnitude<2'240>(), pound> {}; struct long_ton : named_scaled_unit<long_ton, "ton (long)", mag<2'240>(), pound> {};
#ifndef UNITS_NO_LITERALS #ifndef UNITS_NO_LITERALS

2
src/systems/si-fps/include/units/isq/si/fps/power.h
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@@ -42,7 +42,7 @@ struct dim_power : isq::dim_power<dim_power, foot_poundal_per_second, dim_length
struct foot_pound_force_per_second : struct foot_pound_force_per_second :
derived_scaled_unit<foot_pound_force_per_second, dim_power, foot, pound_force, second> {}; derived_scaled_unit<foot_pound_force_per_second, dim_power, foot, pound_force, second> {};
struct horse_power : named_scaled_unit<horse_power, "hp", as_magnitude<550>(), foot_pound_force_per_second> {}; struct horse_power : named_scaled_unit<horse_power, "hp", mag<550>(), foot_pound_force_per_second> {};
template<UnitOf<dim_power> U, Representation Rep = double> template<UnitOf<dim_power> U, Representation Rep = double>
using power = quantity<dim_power, U, Rep>; using power = quantity<dim_power, U, Rep>;

5
src/systems/si-fps/include/units/isq/si/fps/pressure.h
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@@ -44,11 +44,10 @@ template<UnitOf<dim_pressure> U, Representation Rep = double>
using pressure = quantity<dim_pressure, U, Rep>; using pressure = quantity<dim_pressure, U, Rep>;
struct pound_force_per_foot_sq : struct pound_force_per_foot_sq :
named_scaled_unit<pound_force_per_foot_sq, "lbf ft2", as_magnitude<ratio(32'174'049, 1'000'000)>(), named_scaled_unit<pound_force_per_foot_sq, "lbf ft2", mag<ratio(32'174'049, 1'000'000)>(), poundal_per_foot_sq> {};
poundal_per_foot_sq> {};
struct pound_force_per_inch_sq : struct pound_force_per_inch_sq :
named_scaled_unit<pound_force_per_inch_sq, "psi", as_magnitude<ratio(1, 144)>(), pound_force_per_foot_sq> {}; named_scaled_unit<pound_force_per_inch_sq, "psi", mag<ratio(1, 144)>(), pound_force_per_foot_sq> {};
struct kilopound_force_per_inch_sq : prefixed_unit<kilopound_force_per_inch_sq, si::kilo, pound_force_per_inch_sq> {}; struct kilopound_force_per_inch_sq : prefixed_unit<kilopound_force_per_inch_sq, si::kilo, pound_force_per_inch_sq> {};

14
src/systems/si-hep/include/units/isq/si/hep/mass.h
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@@ -44,7 +44,7 @@ namespace units::isq::si::hep {
struct eV_per_c2 : struct eV_per_c2 :
named_scaled_unit<eV_per_c2, basic_symbol_text{"eV/c²", "eV/c^2"}, named_scaled_unit<eV_per_c2, basic_symbol_text{"eV/c²", "eV/c^2"},
as_magnitude<ratio(17'826'619'216'279, 1'000'000'000'000)>() * mag_power<10, -35>(), kilogram> {}; mag<ratio(17'826'619'216'279, 1'000'000'000'000)>() * mag_power<10, -35>(), kilogram> {};
struct feV_per_c2 : prefixed_unit<feV_per_c2, femto, eV_per_c2> {}; struct feV_per_c2 : prefixed_unit<feV_per_c2, femto, eV_per_c2> {};
struct peV_per_c2 : prefixed_unit<peV_per_c2, pico, eV_per_c2> {}; struct peV_per_c2 : prefixed_unit<peV_per_c2, pico, eV_per_c2> {};
struct neV_per_c2 : prefixed_unit<neV_per_c2, nano, eV_per_c2> {}; struct neV_per_c2 : prefixed_unit<neV_per_c2, nano, eV_per_c2> {};
@@ -60,14 +60,14 @@ struct PeV_per_c2 : prefixed_unit<PeV_per_c2, peta, eV_per_c2> {};
struct EeV_per_c2 : prefixed_unit<EeV_per_c2, exa, eV_per_c2> {}; struct EeV_per_c2 : prefixed_unit<EeV_per_c2, exa, eV_per_c2> {};
struct YeV_per_c2 : prefixed_unit<YeV_per_c2, yotta, eV_per_c2> {}; struct YeV_per_c2 : prefixed_unit<YeV_per_c2, yotta, eV_per_c2> {};
struct electron_mass : struct electron_mass :
named_scaled_unit<eV_per_c2, "m_e", named_scaled_unit<eV_per_c2, "m_e", mag<ratio(9'109'383'701'528, 1'000'000'000'000)>() * mag_power<10, -31>(),
as_magnitude<ratio(9'109'383'701'528, 1'000'000'000'000)>() * mag_power<10, -31>(), kilogram> {}; kilogram> {};
struct proton_mass : struct proton_mass :
named_scaled_unit<eV_per_c2, "m_p", named_scaled_unit<eV_per_c2, "m_p", mag<ratio(1'672'621'923'695, 1'000'000'000'000)>() * mag_power<10, -27>(),
as_magnitude<ratio(1'672'621'923'695, 1'000'000'000'000)>() * mag_power<10, -27>(), kilogram> {}; kilogram> {};
struct neutron_mass : struct neutron_mass :
named_scaled_unit<eV_per_c2, "m_n", named_scaled_unit<eV_per_c2, "m_n", mag<ratio(1'674'927'498'049, 1'000'000'000'000)>() * mag_power<10, -27>(),
as_magnitude<ratio(1'674'927'498'049, 1'000'000'000'000)>() * mag_power<10, -27>(), kilogram> {}; kilogram> {};
struct dim_mass : isq::dim_mass<eV_per_c2> {}; struct dim_mass : isq::dim_mass<eV_per_c2> {};

3
src/systems/si-hep/include/units/isq/si/hep/momentum.h
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@@ -41,8 +41,7 @@ namespace units::isq::si::hep {
struct kilogram_metre_per_second : derived_unit<kilogram_metre_per_second> {}; struct kilogram_metre_per_second : derived_unit<kilogram_metre_per_second> {};
struct eV_per_c : struct eV_per_c :
named_scaled_unit<eV_per_c, "eV/c", named_scaled_unit<eV_per_c, "eV/c", mag<ratio(5'344'285'992'678, 1'000'000'000'000)>() * mag_power<10, -35>(),
as_magnitude<ratio(5'344'285'992'678, 1'000'000'000'000)>() * mag_power<10, -35>(),
kilogram_metre_per_second> {}; kilogram_metre_per_second> {};
struct feV_per_c : prefixed_unit<feV_per_c, femto, eV_per_c> {}; struct feV_per_c : prefixed_unit<feV_per_c, femto, eV_per_c> {};
struct peV_per_c : prefixed_unit<peV_per_c, pico, eV_per_c> {}; struct peV_per_c : prefixed_unit<peV_per_c, pico, eV_per_c> {};

4
src/systems/si-iau/include/units/isq/si/iau/length.h
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@@ -36,10 +36,10 @@
namespace units::isq::si::iau { namespace units::isq::si::iau {
// https://en.wikipedia.org/wiki/Light-year // https://en.wikipedia.org/wiki/Light-year
struct light_year : named_scaled_unit<light_year, "ly", as_magnitude<9460730472580800>(), si::metre> {}; struct light_year : named_scaled_unit<light_year, "ly", mag<9460730472580800>(), si::metre> {};
// https://en.wikipedia.org/wiki/Parsec // https://en.wikipedia.org/wiki/Parsec
struct parsec : named_scaled_unit<parsec, "pc", as_magnitude<30'856'775'814'913'673>(), si::metre> {}; struct parsec : named_scaled_unit<parsec, "pc", mag<30'856'775'814'913'673>(), si::metre> {};
// https://en.wikipedia.org/wiki/Angstrom // https://en.wikipedia.org/wiki/Angstrom
struct angstrom : named_scaled_unit<angstrom, "angstrom", mag_power<10, -10>(), si::metre> {}; struct angstrom : named_scaled_unit<angstrom, "angstrom", mag_power<10, -10>(), si::metre> {};

4
src/systems/si-imperial/include/units/isq/si/imperial/length.h
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@@ -35,10 +35,10 @@
namespace units::isq::si::imperial { namespace units::isq::si::imperial {
// https://en.wikipedia.org/wiki/Chain_(unit) // https://en.wikipedia.org/wiki/Chain_(unit)
struct chain : named_scaled_unit<chain, "ch", as_magnitude<22>(), si::international::yard> {}; struct chain : named_scaled_unit<chain, "ch", mag<22>(), si::international::yard> {};
// https://en.wikipedia.org/wiki/Rod_(unit) // https://en.wikipedia.org/wiki/Rod_(unit)
struct rod : named_scaled_unit<rod, "rd", as_magnitude<ratio(1, 4)>(), chain> {}; struct rod : named_scaled_unit<rod, "rd", mag<ratio(1, 4)>(), chain> {};
#ifndef UNITS_NO_LITERALS #ifndef UNITS_NO_LITERALS

14
src/systems/si-international/include/units/isq/si/international/length.h
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@@ -37,30 +37,30 @@ namespace units::isq::si::international {
// si::international yard // si::international yard
// https://en.wikipedia.org/wiki/International_yard_and_pound // https://en.wikipedia.org/wiki/International_yard_and_pound
struct yard : named_scaled_unit<yard, "yd", as_magnitude<ratio{9'144, 10'000}>(), si::metre> {}; struct yard : named_scaled_unit<yard, "yd", mag<ratio{9'144, 10'000}>(), si::metre> {};
// si::international foot // si::international foot
// https://en.wikipedia.org/wiki/Foot_(unit)#International_foot // https://en.wikipedia.org/wiki/Foot_(unit)#International_foot
struct foot : named_scaled_unit<foot, "ft", as_magnitude<ratio(1, 3)>(), yard> {}; struct foot : named_scaled_unit<foot, "ft", mag<ratio(1, 3)>(), yard> {};
// https://en.wikipedia.org/wiki/Fathom#International_fathom // https://en.wikipedia.org/wiki/Fathom#International_fathom
struct fathom : named_scaled_unit<fathom, "fathom", as_magnitude<2>(), yard> {}; struct fathom : named_scaled_unit<fathom, "fathom", mag<2>(), yard> {};
// si::international inch // si::international inch
// https://en.wikipedia.org/wiki/Inch#Equivalences // https://en.wikipedia.org/wiki/Inch#Equivalences
struct inch : named_scaled_unit<inch, "in", as_magnitude<ratio(1, 36)>(), yard> {}; struct inch : named_scaled_unit<inch, "in", mag<ratio(1, 36)>(), yard> {};
// intrnational mile // intrnational mile
// https://en.wikipedia.org/wiki/Mile#International_mile // https://en.wikipedia.org/wiki/Mile#International_mile
struct mile : named_scaled_unit<mile, "mi", as_magnitude<ratio(25'146, 15'625)>(), si::kilometre> {}; struct mile : named_scaled_unit<mile, "mi", mag<ratio(25'146, 15'625)>(), si::kilometre> {};
// si::international nautical mile // si::international nautical mile
// https://en.wikipedia.org/wiki/Nautical_mile // https://en.wikipedia.org/wiki/Nautical_mile
struct nautical_mile : named_scaled_unit<nautical_mile, "mi(naut)", as_magnitude<1852>(), si::metre> {}; struct nautical_mile : named_scaled_unit<nautical_mile, "mi(naut)", mag<1852>(), si::metre> {};
// thou // thou
// https://en.wikipedia.org/wiki/Thousandth_of_an_inch // https://en.wikipedia.org/wiki/Thousandth_of_an_inch
struct thou : named_scaled_unit<thou, "thou", as_magnitude<ratio(1, 1000)>(), inch> {}; struct thou : named_scaled_unit<thou, "thou", mag<ratio(1, 1000)>(), inch> {};
// mil - different name for thou // mil - different name for thou
// https://en.wikipedia.org/wiki/Thousandth_of_an_inch // https://en.wikipedia.org/wiki/Thousandth_of_an_inch

12
src/systems/si-typographic/include/units/isq/si/typographic/length.h
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@@ -37,17 +37,13 @@ namespace units::isq::si::typographic {
// TODO Conflicts with (https://en.wikipedia.org/wiki/Pica_(typography)), verify correctness of below conversion factors // TODO Conflicts with (https://en.wikipedia.org/wiki/Pica_(typography)), verify correctness of below conversion factors
// and provide hyperlinks to definitions // and provide hyperlinks to definitions
struct pica_comp : struct pica_comp : named_scaled_unit<pica_comp, "pica(comp)", mag<4'233'333>() * mag_power<10, -9>(), si::metre> {};
named_scaled_unit<pica_comp, "pica(comp)", as_magnitude<4'233'333>() * mag_power<10, -9>(), si::metre> {};
struct pica_prn : struct pica_prn :
named_scaled_unit<pica_prn, "pica(prn)", as_magnitude<ratio(2108759, 500000)>() * mag_power<10, -3>(), si::metre> { named_scaled_unit<pica_prn, "pica(prn)", mag<ratio(2108759, 500000)>() * mag_power<10, -3>(), si::metre> {};
};
struct point_comp : struct point_comp :
named_scaled_unit<point_comp, "point(comp)", as_magnitude<ratio(1763889, 500000)>() * mag_power<10, -4>(), named_scaled_unit<point_comp, "point(comp)", mag<ratio(1763889, 500000)>() * mag_power<10, -4>(), si::metre> {};
si::metre> {};
struct point_prn : struct point_prn :
named_scaled_unit<point_prn, "point(prn)", as_magnitude<ratio(1757299, 500000)>() * mag_power<10, -4>(), named_scaled_unit<point_prn, "point(prn)", mag<ratio(1757299, 500000)>() * mag_power<10, -4>(), si::metre> {};
si::metre> {};
#ifndef UNITS_NO_LITERALS #ifndef UNITS_NO_LITERALS

6
src/systems/si-uscs/include/units/isq/si/uscs/length.h
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@@ -36,14 +36,14 @@ namespace units::isq::si::uscs {
// https://en.wikipedia.org/wiki/Foot_(unit)#US_survey_foot // https://en.wikipedia.org/wiki/Foot_(unit)#US_survey_foot
// https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors#B6 // https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors#B6
struct foot : named_scaled_unit<foot, "ft(us)", as_magnitude<ratio(1'200, 3'937)>(), si::metre> {}; struct foot : named_scaled_unit<foot, "ft(us)", mag<ratio(1'200, 3'937)>(), si::metre> {};
// https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors#B6 // https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors#B6
struct fathom : named_scaled_unit<fathom, "fathom(us)", as_magnitude<6>(), foot> {}; struct fathom : named_scaled_unit<fathom, "fathom(us)", mag<6>(), foot> {};
// https://en.wikipedia.org/wiki/Mile#U.S._survey_mile // https://en.wikipedia.org/wiki/Mile#U.S._survey_mile
// https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors#B6 // https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors#B6
struct mile : named_scaled_unit<mile, "mi(us)", as_magnitude<5280>(), foot> {}; struct mile : named_scaled_unit<mile, "mi(us)", mag<5280>(), foot> {};
#ifndef UNITS_NO_LITERALS #ifndef UNITS_NO_LITERALS

2
src/systems/si/include/units/isq/si/catalytic_activity.h
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@@ -58,7 +58,7 @@ struct exakatal : prefixed_unit<exakatal, exa, katal> {};
struct zettakatal : prefixed_unit<zettakatal, zetta, katal> {}; struct zettakatal : prefixed_unit<zettakatal, zetta, katal> {};
struct yottakatal : prefixed_unit<yottakatal, yotta, katal> {}; struct yottakatal : prefixed_unit<yottakatal, yotta, katal> {};
struct enzyme_unit : named_scaled_unit<enzyme_unit, "U", as_magnitude<ratio(1, 60)>() * mag_power<10, -6>(), katal> {}; struct enzyme_unit : named_scaled_unit<enzyme_unit, "U", mag<ratio(1, 60)>() * mag_power<10, -6>(), katal> {};
struct dim_catalytic_activity : struct dim_catalytic_activity :
isq::dim_catalytic_activity<dim_catalytic_activity, katal, dim_time, dim_amount_of_substance> {}; isq::dim_catalytic_activity<dim_catalytic_activity, katal, dim_time, dim_amount_of_substance> {};

3
src/systems/si/include/units/isq/si/energy.h
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@@ -56,8 +56,7 @@ struct yottajoule : prefixed_unit<yottajoule, yotta, joule> {};
// N.B. electron charge (and eV) is an exact constant: // N.B. electron charge (and eV) is an exact constant:
// https://www.bipm.org/documents/20126/41483022/SI-Brochure-9.pdf#page=147 // https://www.bipm.org/documents/20126/41483022/SI-Brochure-9.pdf#page=147
struct electronvolt : struct electronvolt :
named_scaled_unit<electronvolt, "eV", as_magnitude<ratio(1'602'176'634, 1'000'000'000)>() * mag_power<10, -19>(), named_scaled_unit<electronvolt, "eV", mag<ratio(1'602'176'634, 1'000'000'000)>() * mag_power<10, -19>(), joule> {};
joule> {};
struct gigaelectronvolt : prefixed_unit<gigaelectronvolt, giga, electronvolt> {}; struct gigaelectronvolt : prefixed_unit<gigaelectronvolt, giga, electronvolt> {};
struct dim_energy : isq::dim_energy<dim_energy, joule, dim_force, dim_length> {}; struct dim_energy : isq::dim_energy<dim_energy, joule, dim_force, dim_length> {};

2
src/systems/si/include/units/isq/si/length.h
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@@ -56,7 +56,7 @@ struct exametre : prefixed_unit<exametre, exa, metre> {};
struct zettametre : prefixed_unit<zettametre, zetta, metre> {}; struct zettametre : prefixed_unit<zettametre, zetta, metre> {};
struct yottametre : prefixed_unit<yottametre, yotta, metre> {}; struct yottametre : prefixed_unit<yottametre, yotta, metre> {};
struct astronomical_unit : named_scaled_unit<astronomical_unit, "au", as_magnitude<149'597'870'700>(), metre> {}; struct astronomical_unit : named_scaled_unit<astronomical_unit, "au", mag<149'597'870'700>(), metre> {};
struct dim_length : isq::dim_length<metre> {}; struct dim_length : isq::dim_length<metre> {};

2
src/systems/si/include/units/isq/si/luminous_flux.h
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@@ -36,7 +36,7 @@ namespace units::isq::si {
// TODO Is this correct? Should we account for steradian here? How? // TODO Is this correct? Should we account for steradian here? How?
struct lumen : named_scaled_unit<lumen, "lm", as_magnitude<ratio(1, 683)>(), watt> {}; struct lumen : named_scaled_unit<lumen, "lm", mag<ratio(1, 683)>(), watt> {};
using dim_luminous_flux = dim_power; using dim_luminous_flux = dim_power;

2
src/systems/si/include/units/isq/si/magnetic_induction.h
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@@ -56,7 +56,7 @@ struct exatesla : prefixed_unit<exatesla, exa, tesla> {};
struct zettatesla : prefixed_unit<zettatesla, zetta, tesla> {}; struct zettatesla : prefixed_unit<zettatesla, zetta, tesla> {};
struct yottatesla : prefixed_unit<yottatesla, yotta, tesla> {}; struct yottatesla : prefixed_unit<yottatesla, yotta, tesla> {};
struct gauss : named_scaled_unit<gauss, "G", as_magnitude<ratio(1, 10'000)>(), tesla> {}; struct gauss : named_scaled_unit<gauss, "G", mag<ratio(1, 10'000)>(), tesla> {};
struct dim_magnetic_induction : struct dim_magnetic_induction :
isq::dim_magnetic_induction<dim_magnetic_induction, tesla, dim_voltage, dim_time, dim_length> {}; isq::dim_magnetic_induction<dim_magnetic_induction, tesla, dim_voltage, dim_time, dim_length> {};

5
src/systems/si/include/units/isq/si/mass.h
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@@ -79,9 +79,8 @@ struct zettatonne : prefixed_unit<zettatonne, zetta, tonne> {};
struct yottatonne : prefixed_unit<yottatonne, yotta, tonne> {}; struct yottatonne : prefixed_unit<yottatonne, yotta, tonne> {};
struct dalton : struct dalton :
named_scaled_unit<dalton, "Da", named_scaled_unit<dalton, "Da", mag<ratio(16'605'390'666'050, 10'000'000'000'000)>() * mag_power<10, -27>(),
as_magnitude<ratio(16'605'390'666'050, 10'000'000'000'000)>() * mag_power<10, -27>(), kilogram> { kilogram> {};
};
struct dim_mass : isq::dim_mass<kilogram> {}; struct dim_mass : isq::dim_mass<kilogram> {};

40
src/systems/si/include/units/isq/si/prefixes.h
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@@ -27,26 +27,26 @@
namespace units::isq::si { namespace units::isq::si {
// clang-format off // clang-format off
struct yocto : prefix<yocto, "y", pow<-24>(as_magnitude<10>())> {}; struct yocto : prefix<yocto, "y", pow<-24>(mag<10>())> {};
struct zepto : prefix<zepto, "z", pow<-21>(as_magnitude<10>())> {}; struct zepto : prefix<zepto, "z", pow<-21>(mag<10>())> {};
struct atto : prefix<atto, "a", pow<-18>(as_magnitude<10>())> {}; struct atto : prefix<atto, "a", pow<-18>(mag<10>())> {};
struct femto : prefix<femto, "f", pow<-15>(as_magnitude<10>())> {}; struct femto : prefix<femto, "f", pow<-15>(mag<10>())> {};
struct pico : prefix<pico, "p", pow<-12>(as_magnitude<10>())> {}; struct pico : prefix<pico, "p", pow<-12>(mag<10>())> {};
struct nano : prefix<nano, "n", pow<-9>(as_magnitude<10>())> {}; struct nano : prefix<nano, "n", pow<-9>(mag<10>())> {};
struct micro : prefix<micro, basic_symbol_text{"\u00b5", "u"}, pow<-6>(as_magnitude<10>())> {}; struct micro : prefix<micro, basic_symbol_text{"\u00b5", "u"}, pow<-6>(mag<10>())> {};
struct milli : prefix<milli, "m", pow<-3>(as_magnitude<10>())> {}; struct milli : prefix<milli, "m", pow<-3>(mag<10>())> {};
struct centi : prefix<centi, "c", pow<-2>(as_magnitude<10>())> {}; struct centi : prefix<centi, "c", pow<-2>(mag<10>())> {};
struct deci : prefix<deci, "d", pow<-1>(as_magnitude<10>())> {}; struct deci : prefix<deci, "d", pow<-1>(mag<10>())> {};
struct deca : prefix<deca, "da", pow<1>(as_magnitude<10>())> {}; struct deca : prefix<deca, "da", pow<1>(mag<10>())> {};
struct hecto : prefix<hecto, "h", pow<2>(as_magnitude<10>())> {}; struct hecto : prefix<hecto, "h", pow<2>(mag<10>())> {};
struct kilo : prefix<kilo, "k", pow<3>(as_magnitude<10>())> {}; struct kilo : prefix<kilo, "k", pow<3>(mag<10>())> {};
struct mega : prefix<mega, "M", pow<6>(as_magnitude<10>())> {}; struct mega : prefix<mega, "M", pow<6>(mag<10>())> {};
struct giga : prefix<giga, "G", pow<9>(as_magnitude<10>())> {}; struct giga : prefix<giga, "G", pow<9>(mag<10>())> {};
struct tera : prefix<tera, "T", pow<12>(as_magnitude<10>())> {}; struct tera : prefix<tera, "T", pow<12>(mag<10>())> {};
struct peta : prefix<peta, "P", pow<15>(as_magnitude<10>())> {}; struct peta : prefix<peta, "P", pow<15>(mag<10>())> {};
struct exa : prefix<exa, "E", pow<18>(as_magnitude<10>())> {}; struct exa : prefix<exa, "E", pow<18>(mag<10>())> {};
struct zetta : prefix<zetta, "Z", pow<21>(as_magnitude<10>())> {}; struct zetta : prefix<zetta, "Z", pow<21>(mag<10>())> {};
struct yotta : prefix<yotta, "Y", pow<24>(as_magnitude<10>())> {}; struct yotta : prefix<yotta, "Y", pow<24>(mag<10>())> {};
// clang-format on // clang-format on
} // namespace units::isq::si } // namespace units::isq::si

6
src/systems/si/include/units/isq/si/time.h
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@@ -43,9 +43,9 @@ struct picosecond : prefixed_unit<picosecond, pico, second> {};
struct nanosecond : prefixed_unit<nanosecond, nano, second> {}; struct nanosecond : prefixed_unit<nanosecond, nano, second> {};
struct microsecond : prefixed_unit<microsecond, micro, second> {}; struct microsecond : prefixed_unit<microsecond, micro, second> {};
struct millisecond : prefixed_unit<millisecond, milli, second> {}; struct millisecond : prefixed_unit<millisecond, milli, second> {};
struct minute : named_scaled_unit<minute, "min", as_magnitude<60>(), second> {}; struct minute : named_scaled_unit<minute, "min", mag<60>(), second> {};
struct hour : named_scaled_unit<hour, "h", as_magnitude<60>(), minute> {}; struct hour : named_scaled_unit<hour, "h", mag<60>(), minute> {};
struct day : named_scaled_unit<day, "d", as_magnitude<24>(), hour> {}; struct day : named_scaled_unit<day, "d", mag<24>(), hour> {};
struct dim_time : isq::dim_time<second> {}; struct dim_time : isq::dim_time<second> {};

4
test/unit_test/runtime/fmt_test.cpp
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@@ -84,7 +84,7 @@ TEST_CASE("operator<< on a quantity", "[text][ostream][fmt]")
{ {
SECTION("in terms of base units") SECTION("in terms of base units")
{ {
const length<scaled_unit<pow<6>(as_magnitude<10>()), metre>> q(123); const length<scaled_unit<pow<6>(mag<10>()), metre>> q(123);
os << q; os << q;
SECTION("iostream") { CHECK(os.str() == "123 Mm"); } SECTION("iostream") { CHECK(os.str() == "123 Mm"); }
@@ -96,7 +96,7 @@ TEST_CASE("operator<< on a quantity", "[text][ostream][fmt]")
SECTION("in terms of derived units") SECTION("in terms of derived units")
{ {
const energy<scaled_unit<pow<-2>(as_magnitude<10>()), joule>> q(60); const energy<scaled_unit<pow<-2>(mag<10>()), joule>> q(60);
os << q; os << q;
SECTION("iostream") { CHECK(os.str() == "60 cJ"); } SECTION("iostream") { CHECK(os.str() == "60 cJ"); }

2
test/unit_test/runtime/fmt_units_test.cpp
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@@ -327,7 +327,7 @@ TEST_CASE("std::format on synthesized unit symbols", "[text][fmt]")
SECTION("unknown scaled unit with reference different than the dimension's coherent unit") SECTION("unknown scaled unit with reference different than the dimension's coherent unit")
{ {
// TODO(chogg): Reinstate after format/Magnitude redesign. // TODO(chogg): Reinstate after format/Magnitude redesign.
// constexpr auto mag = units::as_magnitude<units::ratio{2, 3}>(); // constexpr auto mag = units::mag<units::ratio{2, 3}>();
// CHECK(STD_FMT::format("{}", mass<units::scaled_unit<mag, gram>>(1)) == "1 [2/3 × 10⁻³] kg"); // CHECK(STD_FMT::format("{}", mass<units::scaled_unit<mag, gram>>(1)) == "1 [2/3 × 10⁻³] kg");
// CHECK(STD_FMT::format("{:%Q %Aq}", mass<units::scaled_unit<mag, gram>>(1)) == "1 [2/3 x 10^-3] kg"); // CHECK(STD_FMT::format("{:%Q %Aq}", mass<units::scaled_unit<mag, gram>>(1)) == "1 [2/3 x 10^-3] kg");
} }

155
test/unit_test/runtime/magnitude_test.cpp
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@@ -66,7 +66,7 @@ void check_same_type_and_value(T actual, U expected)
template<ratio R> template<ratio R>
void check_ratio_round_trip_is_identity() void check_ratio_round_trip_is_identity()
{ {
constexpr Magnitude auto m = as_magnitude<R>(); constexpr Magnitude auto m = mag<R>();
constexpr ratio round_trip = ratio{ constexpr ratio round_trip = ratio{
get_value<std::intmax_t>(numerator(m)), get_value<std::intmax_t>(numerator(m)),
get_value<std::intmax_t>(denominator(m)), get_value<std::intmax_t>(denominator(m)),
@@ -125,10 +125,10 @@ TEST_CASE("base_power")
SECTION("product with inverse equals identity") SECTION("product with inverse equals identity")
{ {
auto check_product_with_inverse_is_identity = [](auto x) { CHECK(x * pow<-1>(x) == as_magnitude<1>()); }; auto check_product_with_inverse_is_identity = [](auto x) { CHECK(x * pow<-1>(x) == mag<1>()); };
check_product_with_inverse_is_identity(as_magnitude<3>()); check_product_with_inverse_is_identity(mag<3>());
check_product_with_inverse_is_identity(as_magnitude<ratio{4, 17}>()); check_product_with_inverse_is_identity(mag<ratio{4, 17}>());
check_product_with_inverse_is_identity(pi_to_the<ratio{-22, 7}>()); check_product_with_inverse_is_identity(pi_to_the<ratio{-22, 7}>());
} }
@@ -144,21 +144,21 @@ TEST_CASE("make_ratio performs prime factorization correctly")
{ {
SECTION("Performs prime factorization when denominator is 1") SECTION("Performs prime factorization when denominator is 1")
{ {
CHECK(as_magnitude<1>() == magnitude<>{}); CHECK(mag<1>() == magnitude<>{});
CHECK(as_magnitude<2>() == magnitude<base_power{2}>{}); CHECK(mag<2>() == magnitude<base_power{2}>{});
CHECK(as_magnitude<3>() == magnitude<base_power{3}>{}); CHECK(mag<3>() == magnitude<base_power{3}>{});
CHECK(as_magnitude<4>() == magnitude<base_power{2, 2}>{}); CHECK(mag<4>() == magnitude<base_power{2, 2}>{});
CHECK(as_magnitude<792>() == magnitude<base_power{2, 3}, base_power{3, 2}, base_power{11}>{}); CHECK(mag<792>() == magnitude<base_power{2, 3}, base_power{3, 2}, base_power{11}>{});
} }
SECTION("Supports fractions") { CHECK(as_magnitude<ratio{5, 8}>() == magnitude<base_power{2, -3}, base_power{5}>{}); } SECTION("Supports fractions") { CHECK(mag<ratio{5, 8}>() == magnitude<base_power{2, -3}, base_power{5}>{}); }
SECTION("Can handle prime factor which would be large enough to overflow int") SECTION("Can handle prime factor which would be large enough to overflow int")
{ {
// This was taken from a case which failed when we used `int` for our base to store prime numbers. // This was taken from a case which failed when we used `int` for our base to store prime numbers.
// The failure was due to a prime factor which is larger than 2^31. // The failure was due to a prime factor which is larger than 2^31.
as_magnitude<ratio(16'605'390'666'050, 10'000'000'000'000)>(); mag<ratio(16'605'390'666'050, 10'000'000'000'000)>();
} }
SECTION("Can bypass computing primes by providing known_first_factor<N>") SECTION("Can bypass computing primes by providing known_first_factor<N>")
@@ -169,7 +169,7 @@ TEST_CASE("make_ratio performs prime factorization correctly")
// In this case, we test that we can represent the largest prime that fits in a signed 64-bit int. The reason this // In this case, we test that we can represent the largest prime that fits in a signed 64-bit int. The reason this
// test can pass is that we have provided the answer, by specializing the `known_first_factor` variable template // test can pass is that we have provided the answer, by specializing the `known_first_factor` variable template
// above in this file. // above in this file.
as_magnitude<9'223'372'036'854'775'783>(); mag<9'223'372'036'854'775'783>();
} }
} }
@@ -177,7 +177,7 @@ TEST_CASE("magnitude converts to numerical value")
{ {
SECTION("Positive integer powers of integer bases give integer values") SECTION("Positive integer powers of integer bases give integer values")
{ {
constexpr auto mag_412 = as_magnitude<412>(); constexpr auto mag_412 = mag<412>();
check_same_type_and_value(get_value<int>(mag_412), 412); check_same_type_and_value(get_value<int>(mag_412), 412);
check_same_type_and_value(get_value<std::size_t>(mag_412), std::size_t{412}); check_same_type_and_value(get_value<std::size_t>(mag_412), std::size_t{412});
check_same_type_and_value(get_value<float>(mag_412), 412.0f); check_same_type_and_value(get_value<float>(mag_412), 412.0f);
@@ -186,7 +186,7 @@ TEST_CASE("magnitude converts to numerical value")
SECTION("Negative integer powers of integer bases compute correct values") SECTION("Negative integer powers of integer bases compute correct values")
{ {
constexpr auto mag_0p125 = as_magnitude<ratio{1, 8}>(); constexpr auto mag_0p125 = mag<ratio{1, 8}>();
check_same_type_and_value(get_value<float>(mag_0p125), 0.125f); check_same_type_and_value(get_value<float>(mag_0p125), 0.125f);
check_same_type_and_value(get_value<double>(mag_0p125), 0.125); check_same_type_and_value(get_value<double>(mag_0p125), 0.125);
} }
@@ -219,20 +219,20 @@ TEST_CASE("magnitude converts to numerical value")
// Naturally, we cannot actually write a test to verify a compiler error. But any of these can // Naturally, we cannot actually write a test to verify a compiler error. But any of these can
// be uncommented if desired to verify that it breaks the build. // be uncommented if desired to verify that it breaks the build.
// get_value<int8_t>(as_magnitude<412>()); // get_value<int8_t>(mag<412>());
// Would work for pow<62>: // Would work for pow<62>:
// get_value<int64_t>(pow<63>(as_magnitude<2>())); // get_value<int64_t>(pow<63>(mag<2>()));
// Would work for pow<63>: // Would work for pow<63>:
// get_value<uint64_t>(pow<64>(as_magnitude<2>())); // get_value<uint64_t>(pow<64>(mag<2>()));
get_value<double>(pow<308>(as_magnitude<10>())); // Compiles, correctly. get_value<double>(pow<308>(mag<10>())); // Compiles, correctly.
// get_value<double>(pow<309>(as_magnitude<10>())); // get_value<double>(pow<309>(mag<10>()));
// get_value<double>(pow<3099>(as_magnitude<10>())); // get_value<double>(pow<3099>(mag<10>()));
// get_value<double>(pow<3099999>(as_magnitude<10>())); // get_value<double>(pow<3099999>(mag<10>()));
auto sqrt_2 = pow<ratio{1, 2}>(as_magnitude<2>()); auto sqrt_2 = pow<ratio{1, 2}>(mag<2>());
CHECK(!is_integral(sqrt_2)); CHECK(!is_integral(sqrt_2));
// get_value<int>(sqrt_2); // get_value<int>(sqrt_2);
} }
@@ -242,46 +242,40 @@ TEST_CASE("Equality works for magnitudes")
{ {
SECTION("Equivalent ratios are equal") SECTION("Equivalent ratios are equal")
{ {
CHECK(as_magnitude<1>() == as_magnitude<1>()); CHECK(mag<1>() == mag<1>());
CHECK(as_magnitude<3>() == as_magnitude<3>()); CHECK(mag<3>() == mag<3>());
CHECK(as_magnitude<ratio{3, 4}>() == as_magnitude<ratio{9, 12}>()); CHECK(mag<ratio{3, 4}>() == mag<ratio{9, 12}>());
} }
SECTION("Different ratios are unequal") SECTION("Different ratios are unequal")
{ {
CHECK(as_magnitude<3>() != as_magnitude<5>()); CHECK(mag<3>() != mag<5>());
CHECK(as_magnitude<3>() != as_magnitude<ratio{3, 2}>()); CHECK(mag<3>() != mag<ratio{3, 2}>());
} }
SECTION("Supports constexpr") SECTION("Supports constexpr")
{ {
constexpr auto eq = (as_magnitude<ratio{4, 5}>() == as_magnitude<ratio{4, 3}>()); constexpr auto eq = (mag<ratio{4, 5}>() == mag<ratio{4, 3}>());
CHECK(!eq); CHECK(!eq);
} }
} }
TEST_CASE("Multiplication works for magnitudes") TEST_CASE("Multiplication works for magnitudes")
{ {
SECTION("Reciprocals reduce to null magnitude") SECTION("Reciprocals reduce to null magnitude") { CHECK(mag<ratio{3, 4}>() * mag<ratio{4, 3}>() == mag<1>()); }
{
CHECK(as_magnitude<ratio{3, 4}>() * as_magnitude<ratio{4, 3}>() == as_magnitude<1>());
}
SECTION("Products work as expected") SECTION("Products work as expected") { CHECK(mag<ratio{4, 5}>() * mag<ratio{4, 3}>() == mag<ratio{16, 15}>()); }
{
CHECK(as_magnitude<ratio{4, 5}>() * as_magnitude<ratio{4, 3}>() == as_magnitude<ratio{16, 15}>());
}
SECTION("Products handle pi correctly") SECTION("Products handle pi correctly")
{ {
CHECK(pi_to_the<1>() * as_magnitude<ratio{2, 3}>() * pi_to_the<ratio{-1, 2}>() == CHECK(pi_to_the<1>() * mag<ratio{2, 3}>() * pi_to_the<ratio{-1, 2}>() ==
magnitude<base_power{2}, base_power{3, -1}, base_power<pi_base>{ratio{1, 2}}>{}); magnitude<base_power{2}, base_power{3, -1}, base_power<pi_base>{ratio{1, 2}}>{});
} }
SECTION("Supports constexpr") SECTION("Supports constexpr")
{ {
constexpr auto p = as_magnitude<ratio{4, 5}>() * as_magnitude<ratio{4, 3}>(); constexpr auto p = mag<ratio{4, 5}>() * mag<ratio{4, 3}>();
CHECK(p == as_magnitude<ratio{16, 15}>()); CHECK(p == mag<ratio{16, 15}>());
} }
} }
@@ -289,20 +283,20 @@ TEST_CASE("Common Magnitude")
{ {
SECTION("Identity for identical magnitudes") SECTION("Identity for identical magnitudes")
{ {
CHECK(common_magnitude(as_magnitude<1>(), as_magnitude<1>()) == as_magnitude<1>()); CHECK(common_magnitude(mag<1>(), mag<1>()) == mag<1>());
CHECK(common_magnitude(as_magnitude<15>(), as_magnitude<15>()) == as_magnitude<15>()); CHECK(common_magnitude(mag<15>(), mag<15>()) == mag<15>());
CHECK(common_magnitude(pi_to_the<ratio{3, 4}>(), pi_to_the<ratio{3, 4}>()) == pi_to_the<ratio{3, 4}>()); CHECK(common_magnitude(pi_to_the<ratio{3, 4}>(), pi_to_the<ratio{3, 4}>()) == pi_to_the<ratio{3, 4}>());
} }
SECTION("Greatest Common Factor for integers") SECTION("Greatest Common Factor for integers")
{ {
CHECK(common_magnitude(as_magnitude<24>(), as_magnitude<36>()) == as_magnitude<12>()); CHECK(common_magnitude(mag<24>(), mag<36>()) == mag<12>());
CHECK(common_magnitude(as_magnitude<24>(), as_magnitude<37>()) == as_magnitude<1>()); CHECK(common_magnitude(mag<24>(), mag<37>()) == mag<1>());
} }
SECTION("Handles fractions") SECTION("Handles fractions")
{ {
CHECK(common_magnitude(as_magnitude<ratio{3, 8}>(), as_magnitude<ratio{5, 6}>()) == as_magnitude<ratio{1, 24}>()); CHECK(common_magnitude(mag<ratio{3, 8}>(), mag<ratio{5, 6}>()) == mag<ratio{1, 24}>());
} }
} }
@@ -310,19 +304,16 @@ TEST_CASE("Division works for magnitudes")
{ {
SECTION("Dividing anything by itself reduces to null magnitude") SECTION("Dividing anything by itself reduces to null magnitude")
{ {
CHECK(as_magnitude<ratio{3, 4}>() / as_magnitude<ratio{3, 4}>() == as_magnitude<1>()); CHECK(mag<ratio{3, 4}>() / mag<ratio{3, 4}>() == mag<1>());
CHECK(as_magnitude<15>() / as_magnitude<15>() == as_magnitude<1>()); CHECK(mag<15>() / mag<15>() == mag<1>());
} }
SECTION("Quotients work as expected") SECTION("Quotients work as expected") { CHECK(mag<ratio{4, 5}>() / mag<ratio{4, 3}>() == mag<ratio{3, 5}>()); }
{
CHECK(as_magnitude<ratio{4, 5}>() / as_magnitude<ratio{4, 3}>() == as_magnitude<ratio{3, 5}>());
}
SECTION("Supports constexpr") SECTION("Supports constexpr")
{ {
constexpr auto q = as_magnitude<ratio{4, 5}>() / as_magnitude<ratio{4, 3}>(); constexpr auto q = mag<ratio{4, 5}>() / mag<ratio{4, 3}>();
CHECK(q == as_magnitude<ratio{3, 5}>()); CHECK(q == mag<ratio{3, 5}>());
} }
} }
@@ -330,17 +321,17 @@ TEST_CASE("Can raise Magnitudes to rational powers")
{ {
SECTION("Anything to the 0 is 1") SECTION("Anything to the 0 is 1")
{ {
CHECK(pow<0>(as_magnitude<1>()) == as_magnitude<1>()); CHECK(pow<0>(mag<1>()) == mag<1>());
CHECK(pow<0>(as_magnitude<123>()) == as_magnitude<1>()); CHECK(pow<0>(mag<123>()) == mag<1>());
CHECK(pow<0>(as_magnitude<ratio{3, 4}>()) == as_magnitude<1>()); CHECK(pow<0>(mag<ratio{3, 4}>()) == mag<1>());
CHECK(pow<0>(pi_to_the<ratio{-1, 2}>()) == as_magnitude<1>()); CHECK(pow<0>(pi_to_the<ratio{-1, 2}>()) == mag<1>());
} }
SECTION("Anything to the 1 is itself") SECTION("Anything to the 1 is itself")
{ {
CHECK(pow<1>(as_magnitude<1>()) == as_magnitude<1>()); CHECK(pow<1>(mag<1>()) == mag<1>());
CHECK(pow<1>(as_magnitude<123>()) == as_magnitude<123>()); CHECK(pow<1>(mag<123>()) == mag<123>());
CHECK(pow<1>(as_magnitude<ratio{3, 4}>()) == as_magnitude<ratio{3, 4}>()); CHECK(pow<1>(mag<ratio{3, 4}>()) == mag<ratio{3, 4}>());
CHECK(pow<1>(pi_to_the<ratio{-1, 2}>()) == pi_to_the<ratio{-1, 2}>()); CHECK(pow<1>(pi_to_the<ratio{-1, 2}>()) == pi_to_the<ratio{-1, 2}>());
} }
@@ -359,11 +350,11 @@ TEST_CASE("can distinguish integral, rational, and irrational magnitudes")
CHECK(is_rational(m)); CHECK(is_rational(m));
}; };
check_rational_and_integral(magnitude<>{}); check_rational_and_integral(magnitude<>{});
check_rational_and_integral(as_magnitude<1>()); check_rational_and_integral(mag<1>());
check_rational_and_integral(as_magnitude<3>()); check_rational_and_integral(mag<3>());
check_rational_and_integral(as_magnitude<8>()); check_rational_and_integral(mag<8>());
check_rational_and_integral(as_magnitude<412>()); check_rational_and_integral(mag<412>());
check_rational_and_integral(as_magnitude<ratio{1, 1}>()); check_rational_and_integral(mag<ratio{1, 1}>());
} }
SECTION("Fractional magnitudes are rational, but not integral") SECTION("Fractional magnitudes are rational, but not integral")
@@ -372,8 +363,8 @@ TEST_CASE("can distinguish integral, rational, and irrational magnitudes")
CHECK(!is_integral(m)); CHECK(!is_integral(m));
CHECK(is_rational(m)); CHECK(is_rational(m));
}; };
check_rational_but_not_integral(as_magnitude<ratio{1, 2}>()); check_rational_but_not_integral(mag<ratio{1, 2}>());
check_rational_but_not_integral(as_magnitude<ratio{5, 8}>()); check_rational_but_not_integral(mag<ratio{5, 8}>());
} }
} }
@@ -390,17 +381,17 @@ TEST_CASE("Constructing ratio from rational magnitude")
SECTION("Rational magnitude converts to ratio") SECTION("Rational magnitude converts to ratio")
{ {
constexpr ratio r = as_ratio(as_magnitude<ratio{22, 7}>()); constexpr ratio r = as_ratio(mag<ratio{22, 7}>());
CHECK(r == ratio{22, 7}); CHECK(r == ratio{22, 7});
} }
SECTION("Irrational magnitude does not convert to ratio") SECTION("Irrational magnitude does not convert to ratio")
{ {
// The following code should not compile. // The following code should not compile.
// as_ratio(pow<ratio{1, 2}>(as_magnitude<2>())); // as_ratio(pow<ratio{1, 2}>(mag<2>()));
// The following code should not compile. // The following code should not compile.
// as_ratio(as_magnitude<180>() / pi_to_the<1>()); // as_ratio(mag<180>() / pi_to_the<1>());
} }
} }
@@ -607,26 +598,26 @@ TEST_CASE("extract_power_of_10")
{ {
SECTION("Picks out positive powers") SECTION("Picks out positive powers")
{ {
CHECK(extract_power_of_10(as_magnitude<10>()) == 1); CHECK(extract_power_of_10(mag<10>()) == 1);
CHECK(extract_power_of_10(as_magnitude<20>()) == 1); CHECK(extract_power_of_10(mag<20>()) == 1);
CHECK(extract_power_of_10(as_magnitude<40>()) == 1); CHECK(extract_power_of_10(mag<40>()) == 1);
CHECK(extract_power_of_10(as_magnitude<50>()) == 1); CHECK(extract_power_of_10(mag<50>()) == 1);
CHECK(extract_power_of_10(as_magnitude<100>()) == 2); CHECK(extract_power_of_10(mag<100>()) == 2);
} }
SECTION("Picks out negative powers") SECTION("Picks out negative powers")
{ {
constexpr auto ONE = as_magnitude<1>(); constexpr auto ONE = mag<1>();
CHECK(extract_power_of_10(ONE / as_magnitude<10>()) == -1); CHECK(extract_power_of_10(ONE / mag<10>()) == -1);
CHECK(extract_power_of_10(ONE / as_magnitude<20>()) == -1); CHECK(extract_power_of_10(ONE / mag<20>()) == -1);
CHECK(extract_power_of_10(ONE / as_magnitude<40>()) == -1); CHECK(extract_power_of_10(ONE / mag<40>()) == -1);
CHECK(extract_power_of_10(ONE / as_magnitude<50>()) == -1); CHECK(extract_power_of_10(ONE / mag<50>()) == -1);
CHECK(extract_power_of_10(ONE / as_magnitude<100>()) == -2); CHECK(extract_power_of_10(ONE / mag<100>()) == -2);
} }
SECTION("Zero if signs disagree") { CHECK(extract_power_of_10(as_magnitude<2>() / as_magnitude<5>()) == 0); } SECTION("Zero if signs disagree") { CHECK(extract_power_of_10(mag<2>() / mag<5>()) == 0); }
SECTION("Handles rational powers") { CHECK(extract_power_of_10(sqrt(as_magnitude<1000>())) == 1); } SECTION("Handles rational powers") { CHECK(extract_power_of_10(sqrt(mag<1000>())) == 1); }
} }
} // namespace } // namespace

6
test/unit_test/static/quantity_kind_test.cpp
View File

@@ -456,9 +456,9 @@ concept invalid_compound_assignments =
requires !requires { w *= m; }; requires !requires { w *= m; };
requires !requires { w /= m; }; requires !requires { w /= m; };
requires !requires { w %= m; }; requires !requires { w %= m; };
requires !requires { w *= quantity_kind<downcast_kind<Width, dim_one>, scaled_unit<as_magnitude<1000>(), one>, int>{1}; }; requires !requires { w *= quantity_kind<downcast_kind<Width, dim_one>, scaled_unit<mag<1000>(), one>, int>{1}; };
requires !requires { w /= quantity_kind<downcast_kind<Width, dim_one>, scaled_unit<as_magnitude<1000>(), one>, int>{1}; }; requires !requires { w /= quantity_kind<downcast_kind<Width, dim_one>, scaled_unit<mag<1000>(), one>, int>{1}; };
requires !requires { w %= quantity_kind<downcast_kind<Width, dim_one>, scaled_unit<as_magnitude<1000>(), one>, int>{1}; }; requires !requires { w %= quantity_kind<downcast_kind<Width, dim_one>, scaled_unit<mag<1000>(), one>, int>{1}; };
requires !requires { w %= 1.0; }; requires !requires { w %= 1.0; };
requires !requires { w %= quantity(1.0); }; requires !requires { w %= quantity(1.0); };
requires !requires { w %= 1.0 * (w / w); }; requires !requires { w %= 1.0 * (w / w); };

35
test/unit_test/static/quantity_test.cpp
View File

@@ -498,7 +498,7 @@ static_assert(compare<decltype(1_q_m / 1_q_m), dimensionless<one, std::int64_t>>
static_assert(compare<decltype(1 / 1_q_s), frequency<hertz, std::int64_t>>); static_assert(compare<decltype(1 / 1_q_s), frequency<hertz, std::int64_t>>);
static_assert(compare<decltype(quantity{1} / 1_q_s), frequency<hertz, std::int64_t>>); static_assert(compare<decltype(quantity{1} / 1_q_s), frequency<hertz, std::int64_t>>);
static_assert(compare<decltype(dimensionless<percent, std::int64_t>(1) / 1_q_s), static_assert(compare<decltype(dimensionless<percent, std::int64_t>(1) / 1_q_s),
frequency<scaled_unit<as_magnitude<ratio(1, 100)>(), hertz>, std::int64_t>>); frequency<scaled_unit<mag<ratio(1, 100)>(), hertz>, std::int64_t>>);
static_assert(is_same_v<decltype((std::uint8_t(0) * m + std::uint8_t(0) * m).number()), int&&>); static_assert(is_same_v<decltype((std::uint8_t(0) * m + std::uint8_t(0) * m).number()), int&&>);
static_assert(is_same_v<decltype((std::uint8_t(0) * m - std::uint8_t(0) * m).number()), int&&>); static_assert(is_same_v<decltype((std::uint8_t(0) * m - std::uint8_t(0) * m).number()), int&&>);
@@ -529,7 +529,7 @@ static_assert(compare<decltype(1_q_m / 1._q_m), dimensionless<one, long double>>
static_assert(compare<decltype(1 / 1._q_s), frequency<hertz, long double>>); static_assert(compare<decltype(1 / 1._q_s), frequency<hertz, long double>>);
static_assert(compare<decltype(quantity{1} / 1._q_s), frequency<hertz, long double>>); static_assert(compare<decltype(quantity{1} / 1._q_s), frequency<hertz, long double>>);
static_assert(compare<decltype(dimensionless<percent, std::int64_t>(1) / 1._q_s), static_assert(compare<decltype(dimensionless<percent, std::int64_t>(1) / 1._q_s),
frequency<scaled_unit<as_magnitude<ratio(1, 100)>(), hertz>, long double>>); frequency<scaled_unit<mag<ratio(1, 100)>(), hertz>, long double>>);
static_assert(compare<decltype(1_q_m % short(1)), length<metre, std::int64_t>>); static_assert(compare<decltype(1_q_m % short(1)), length<metre, std::int64_t>>);
static_assert(compare<decltype(1_q_m % quantity{short(1)}), length<metre, std::int64_t>>); static_assert(compare<decltype(1_q_m % quantity{short(1)}), length<metre, std::int64_t>>);
static_assert(compare<decltype(1_q_m % dimensionless<percent, short>(1)), length<metre, std::int64_t>>); static_assert(compare<decltype(1_q_m % dimensionless<percent, short>(1)), length<metre, std::int64_t>>);
@@ -551,7 +551,7 @@ static_assert(compare<decltype(1._q_m / 1_q_m), dimensionless<one, long double>>
static_assert(compare<decltype(1.L / 1_q_s), frequency<hertz, long double>>); static_assert(compare<decltype(1.L / 1_q_s), frequency<hertz, long double>>);
static_assert(compare<decltype(quantity{1.L} / 1_q_s), frequency<hertz, long double>>); static_assert(compare<decltype(quantity{1.L} / 1_q_s), frequency<hertz, long double>>);
static_assert(compare<decltype(dimensionless<percent, long double>(1) / 1_q_s), static_assert(compare<decltype(dimensionless<percent, long double>(1) / 1_q_s),
frequency<scaled_unit<as_magnitude<ratio(1, 100)>(), hertz>, long double>>); frequency<scaled_unit<mag<ratio(1, 100)>(), hertz>, long double>>);
// different units // different units
static_assert(compare<decltype(1_q_m + 1_q_km), length<metre, std::int64_t>>); static_assert(compare<decltype(1_q_m + 1_q_km), length<metre, std::int64_t>>);
@@ -579,24 +579,23 @@ static_assert(is_same_v<decltype(1_q_km % 1_q_m), length<kilometre, std::int64_t
// different dimensions // different dimensions
static_assert(compare<decltype(1_q_m_per_s * 1_q_s), length<metre, std::int64_t>>); static_assert(compare<decltype(1_q_m_per_s * 1_q_s), length<metre, std::int64_t>>);
static_assert(compare<decltype(1_q_m_per_s * 1_q_h), length<scaled_unit<as_magnitude<3600>(), metre>, std::int64_t>>); static_assert(compare<decltype(1_q_m_per_s * 1_q_h), length<scaled_unit<mag<3600>(), metre>, std::int64_t>>);
static_assert( static_assert(
compare<decltype(1_q_m * 1_q_min), quantity<unknown_dimension<exponent<dim_length, 1>, exponent<dim_time, 1>>, compare<decltype(1_q_m * 1_q_min), quantity<unknown_dimension<exponent<dim_length, 1>, exponent<dim_time, 1>>,
scaled_unit<as_magnitude<60>(), unknown_coherent_unit>, std::int64_t>>); scaled_unit<mag<60>(), unknown_coherent_unit>, std::int64_t>>);
static_assert(compare<decltype(1_q_s * 1_q_Hz), dimensionless<one, std::int64_t>>); static_assert(compare<decltype(1_q_s * 1_q_Hz), dimensionless<one, std::int64_t>>);
static_assert( static_assert(compare<decltype(1 / 1_q_min), frequency<scaled_unit<mag<ratio(1, 60)>(), hertz>, std::int64_t>>);
compare<decltype(1 / 1_q_min), frequency<scaled_unit<as_magnitude<ratio(1, 60)>(), hertz>, std::int64_t>>);
static_assert(compare<decltype(1 / 1_q_Hz), isq::si::time<second, std::int64_t>>); static_assert(compare<decltype(1 / 1_q_Hz), isq::si::time<second, std::int64_t>>);
static_assert(compare<decltype(1 / 1_q_km), static_assert(
quantity<unknown_dimension<exponent<dim_length, -1>>, compare<decltype(1 / 1_q_km), quantity<unknown_dimension<exponent<dim_length, -1>>,
scaled_unit<as_magnitude<ratio(1, 1000)>(), unknown_coherent_unit>, std::int64_t>>); scaled_unit<mag<ratio(1, 1000)>(), unknown_coherent_unit>, std::int64_t>>);
static_assert(compare<decltype(1_q_km / 1_q_m), dimensionless<scaled_unit<as_magnitude<1000>(), one>, std::int64_t>>); static_assert(compare<decltype(1_q_km / 1_q_m), dimensionless<scaled_unit<mag<1000>(), one>, std::int64_t>>);
static_assert(compare<decltype(1_q_m / 1_q_s), speed<metre_per_second, std::int64_t>>); static_assert(compare<decltype(1_q_m / 1_q_s), speed<metre_per_second, std::int64_t>>);
static_assert( static_assert(
compare<decltype(1_q_m / 1_q_min), speed<scaled_unit<as_magnitude<ratio(1, 60)>(), metre_per_second>, std::int64_t>>); compare<decltype(1_q_m / 1_q_min), speed<scaled_unit<mag<ratio(1, 60)>(), metre_per_second>, std::int64_t>>);
static_assert( static_assert(
compare<decltype(1_q_min / 1_q_m), quantity<unknown_dimension<exponent<dim_length, -1>, exponent<dim_time, 1>>, compare<decltype(1_q_min / 1_q_m), quantity<unknown_dimension<exponent<dim_length, -1>, exponent<dim_time, 1>>,
scaled_unit<as_magnitude<60>(), unknown_coherent_unit>, std::int64_t>>); scaled_unit<mag<60>(), unknown_coherent_unit>, std::int64_t>>);
static_assert((1_q_m + 1_q_m).number() == 2); static_assert((1_q_m + 1_q_m).number() == 2);
static_assert((1_q_m + 1_q_km).number() == 1001); static_assert((1_q_m + 1_q_km).number() == 1001);
@@ -886,9 +885,8 @@ static_assert(!is_same_v<decltype(quantity_cast<litre>(2_q_dm3)), volume<cubic_d
static_assert(is_same_v<decltype(10_q_m / 5_q_s), static_assert(is_same_v<decltype(10_q_m / 5_q_s),
quantity<unknown_dimension<units::exponent<dim_length, 1>, units::exponent<dim_time, -1>>, quantity<unknown_dimension<units::exponent<dim_length, 1>, units::exponent<dim_time, -1>>,
scaled_unit<as_magnitude<1>(), unknown_coherent_unit>, std::int64_t>>); scaled_unit<mag<1>(), unknown_coherent_unit>, std::int64_t>>);
static_assert( static_assert(is_same_v<decltype(1_q_mm + 1_q_km), length<scaled_unit<mag<ratio(1, 1000)>(), metre>, std::int64_t>>);
is_same_v<decltype(1_q_mm + 1_q_km), length<scaled_unit<as_magnitude<ratio(1, 1000)>(), metre>, std::int64_t>>);
#else #else
@@ -918,8 +916,7 @@ static_assert(same(quotient_remainder_theorem(3'000 * m, 400), 3'000 * m));
static_assert(comp(quotient_remainder_theorem(3'000 * m, quantity(400)), 3'000 * m)); static_assert(comp(quotient_remainder_theorem(3'000 * m, quantity(400)), 3'000 * m));
static_assert(comp(quotient_remainder_theorem(3 * km, quantity(400)), 3 * km)); static_assert(comp(quotient_remainder_theorem(3 * km, quantity(400)), 3 * km));
static_assert(comp(quotient_remainder_theorem(3 * km, quantity(2)), 3 * km)); static_assert(comp(quotient_remainder_theorem(3 * km, quantity(2)), 3 * km));
static_assert( static_assert(comp(quotient_remainder_theorem(3 * km, dimensionless<scaled_unit<mag<ratio(1, 1000)>(), one>, int>(400)),
comp(quotient_remainder_theorem(3 * km, dimensionless<scaled_unit<as_magnitude<ratio(1, 1000)>(), one>, int>(400)), 3 * km));
3 * km));
} // namespace } // namespace

4
test/unit_test/static/si_test.cpp
View File

@@ -43,7 +43,7 @@ static_assert(1_q_au == 149'597'870'700_q_m);
static_assert(1_q_km + 1_q_m == 1001_q_m); static_assert(1_q_km + 1_q_m == 1001_q_m);
static_assert(10_q_km / 5_q_km == 2); static_assert(10_q_km / 5_q_km == 2);
static_assert(10_q_km / 5_q_km < 3); static_assert(10_q_km / 5_q_km < 3);
static_assert(100_q_mm / 5_q_cm == dimensionless<scaled_unit<as_magnitude<ratio(1, 10)>(), one>>(20)); static_assert(100_q_mm / 5_q_cm == dimensionless<scaled_unit<mag<ratio(1, 10)>(), one>>(20));
static_assert(100_q_mm / 5_q_cm == dimensionless<one>(2)); static_assert(100_q_mm / 5_q_cm == dimensionless<one>(2));
static_assert(10_q_km / 2 == 5_q_km); static_assert(10_q_km / 2 == 5_q_km);
@@ -107,7 +107,7 @@ static_assert(1000 / 1_q_s == 1_q_kHz);
static_assert(1 / 1_q_ms == 1_q_kHz); static_assert(1 / 1_q_ms == 1_q_kHz);
static_assert(3.2_q_GHz == 3'200'000'000_q_Hz); static_assert(3.2_q_GHz == 3'200'000'000_q_Hz);
static_assert((10_q_Hz * 1_q_min).number() == 10); static_assert((10_q_Hz * 1_q_min).number() == 10);
static_assert(10_q_Hz * 1_q_min == dimensionless<scaled_unit<as_magnitude<60>(), one>>(10)); static_assert(10_q_Hz * 1_q_min == dimensionless<scaled_unit<mag<60>(), one>>(10));
static_assert(10_q_Hz * 1_q_min == dimensionless<one>(600)); static_assert(10_q_Hz * 1_q_min == dimensionless<one>(600));
static_assert(2 / 1_q_Hz == 2_q_s); static_assert(2 / 1_q_Hz == 2_q_s);

12
test/unit_test/static/unit_test.cpp
View File

@@ -36,12 +36,12 @@ using namespace units::isq;
struct metre : named_unit<metre, "m"> {}; struct metre : named_unit<metre, "m"> {};
struct centimetre : prefixed_unit<centimetre, si::centi, metre> {}; struct centimetre : prefixed_unit<centimetre, si::centi, metre> {};
struct kilometre : prefixed_unit<kilometre, si::kilo, metre> {}; struct kilometre : prefixed_unit<kilometre, si::kilo, metre> {};
struct yard : named_scaled_unit<yard, "yd", as_magnitude<ratio{9'144, 10'000}>(), metre> {}; struct yard : named_scaled_unit<yard, "yd", mag<ratio{9'144, 10'000}>(), metre> {};
struct foot : named_scaled_unit<foot, "ft", as_magnitude<ratio(1, 3)>(), yard> {}; struct foot : named_scaled_unit<foot, "ft", mag<ratio(1, 3)>(), yard> {};
struct dim_length : base_dimension<"length", metre> {}; struct dim_length : base_dimension<"length", metre> {};
struct second : named_unit<second, "s"> {}; struct second : named_unit<second, "s"> {};
struct hour : named_scaled_unit<hour, "h", as_magnitude<3600>(), second> {}; struct hour : named_scaled_unit<hour, "h", mag<3600>(), second> {};
struct dim_time : base_dimension<"time", second> {}; struct dim_time : base_dimension<"time", second> {};
struct kelvin : named_unit<kelvin, "K"> {}; struct kelvin : named_unit<kelvin, "K"> {};
@@ -59,10 +59,10 @@ struct kilometre_per_hour : derived_scaled_unit<kilometre_per_hour, dim_speed, k
static_assert(equivalent<metre::named_unit, metre>); static_assert(equivalent<metre::named_unit, metre>);
static_assert(equivalent<metre::scaled_unit, metre>); static_assert(equivalent<metre::scaled_unit, metre>);
static_assert(compare<downcast<scaled_unit<as_magnitude<1>(), metre>>, metre>); static_assert(compare<downcast<scaled_unit<mag<1>(), metre>>, metre>);
static_assert(compare<downcast<scaled_unit<as_magnitude<ratio(1, 100)>(), metre>>, centimetre>); static_assert(compare<downcast<scaled_unit<mag<ratio(1, 100)>(), metre>>, centimetre>);
static_assert(compare<downcast<scaled_unit<yard::mag, metre>>, yard>); static_assert(compare<downcast<scaled_unit<yard::mag, metre>>, yard>);
static_assert(compare<downcast<scaled_unit<yard::mag / as_magnitude<3>(), metre>>, foot>); static_assert(compare<downcast<scaled_unit<yard::mag / mag<3>(), metre>>, foot>);
static_assert(compare<downcast<scaled_unit<kilometre::mag / hour::mag, metre_per_second>>, kilometre_per_hour>); static_assert(compare<downcast<scaled_unit<kilometre::mag / hour::mag, metre_per_second>>, kilometre_per_hour>);
static_assert(centimetre::symbol == "cm"); static_assert(centimetre::symbol == "cm");