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refactor: 💥 op==(U1, U2) now checks for the same type (old behavior available as equivalent(U1, U2)) + convertible now verifies associated quantity_spec as well

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Mateusz Pusz
2024-10-09 17:26:13 +02:00
parent e3ce507fd3
commit 70a18fec0c
4 changed files with 91 additions and 72 deletions
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118
test/static/unit_test.cpp
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@@ -23,6 +23,7 @@
#include "test_tools.h"
#include <mp-units/ext/type_traits.h>
#include <mp-units/framework.h>
#include <mp-units/systems/isq.h>
#include <mp-units/systems/si/prefixes.h>
#ifdef MP_UNITS_IMPORT_STD
import std;
@@ -38,19 +39,7 @@ using namespace mp_units::detail;
using one_ = struct one;
using percent_ = struct percent;
// base dimensions
// clang-format off
inline constexpr struct dim_length_ final : base_dimension<"L"> {} dim_length;
inline constexpr struct dim_mass_ final : base_dimension<"M"> {} dim_mass;
inline constexpr struct dim_time_ final : base_dimension<"T"> {} dim_time;
inline constexpr struct dim_thermodynamic_temperature_ final : base_dimension<symbol_text{u8"Θ", "O"}> {} dim_thermodynamic_temperature;
// quantities specification
QUANTITY_SPEC_(length, dim_length);
QUANTITY_SPEC_(mass, dim_mass);
QUANTITY_SPEC_(time, dim_time);
QUANTITY_SPEC_(thermodynamic_temperature, dim_thermodynamic_temperature);
// prefixes
template<PrefixableUnit U> struct milli_ final : prefixed_unit<"m", mag_power<10, -3>, U{}> {};
template<PrefixableUnit U> struct kilo_ final : prefixed_unit<"k", mag_power<10, 3>, U{}> {};
@@ -58,21 +47,21 @@ template<PrefixableUnit auto U> constexpr milli_<MP_UNITS_REMOVE_CONST(decltype(
template<PrefixableUnit auto U> constexpr kilo_<MP_UNITS_REMOVE_CONST(decltype(U))> kilo;
// base units
inline constexpr struct second_ final : named_unit<"s", kind_of<time>> {} second;
inline constexpr struct metre_ final : named_unit<"m", kind_of<length>> {} metre;
inline constexpr struct gram_ final : named_unit<"g", kind_of<mass>> {} gram;
inline constexpr struct second_ final : named_unit<"s", kind_of<isq::time>> {} second;
inline constexpr struct metre_ final : named_unit<"m", kind_of<isq::length>> {} metre;
inline constexpr struct gram_ final : named_unit<"g", kind_of<isq::mass>> {} gram;
inline constexpr auto kilogram = kilo<gram>;
inline constexpr struct kelvin_ final : named_unit<"K", kind_of<thermodynamic_temperature>> {} kelvin;
inline constexpr struct kelvin_ final : named_unit<"K", kind_of<isq::thermodynamic_temperature>> {} kelvin;
// hypothetical natural units for c=1
inline constexpr struct nu_second_ final : named_unit<"s"> {} nu_second;
// derived named units
inline constexpr struct radian_ final : named_unit<"rad", metre / metre> {} radian;
inline constexpr struct radian_ final : named_unit<"rad", metre / metre, kind_of<isq::angular_measure>> {} radian;
inline constexpr struct revolution_ final : named_unit<"rev", mag<2> * mag<pi> * radian> {} revolution;
inline constexpr struct steradian_ final : named_unit<"sr", square(metre) / square(metre)> {} steradian;
inline constexpr struct hertz_ final : named_unit<"Hz", inverse(second)> {} hertz;
inline constexpr struct becquerel_ final : named_unit<"Bq", inverse(second)> {} becquerel;
inline constexpr struct steradian_ final : named_unit<"sr", square(metre) / square(metre), kind_of<isq::solid_angular_measure>> {} steradian;
inline constexpr struct hertz_ final : named_unit<"Hz", inverse(second), kind_of<isq::frequency>> {} hertz;
inline constexpr struct becquerel_ final : named_unit<"Bq", inverse(second), kind_of<isq::activity>> {} becquerel;
inline constexpr struct newton_ final : named_unit<"N", kilogram * metre / square(second)> {} newton;
inline constexpr struct pascal_ final : named_unit<"Pa", newton / square(metre)> {} pascal;
inline constexpr struct joule_ final : named_unit<"J", newton * metre> {} joule;
@@ -140,7 +129,8 @@ static_assert(is_of_type<degree_Celsius, degree_Celsius_>);
static_assert(is_of_type<get_canonical_unit(degree_Celsius).reference_unit, kelvin_>);
static_assert(get_canonical_unit(degree_Celsius).mag == mag<1>);
static_assert(convertible(degree_Celsius, kelvin));
static_assert(degree_Celsius == kelvin);
static_assert(degree_Celsius != kelvin);
static_assert(equivalent(degree_Celsius, kelvin));
static_assert(is_of_type<radian, radian_>);
static_assert(is_of_type<get_canonical_unit(radian).reference_unit, one_>);
@@ -155,8 +145,8 @@ static_assert(radian != degree);
static_assert(is_of_type<steradian, steradian_>);
static_assert(is_of_type<get_canonical_unit(steradian).reference_unit, one_>);
static_assert(get_canonical_unit(steradian).mag == mag<1>);
static_assert(convertible(radian, steradian)); // !!!
static_assert(radian == steradian); // !!!
static_assert(!convertible(radian, steradian));
static_assert(radian != steradian);
static_assert(is_of_type<minute, minute_>);
static_assert(is_of_type<get_canonical_unit(minute).reference_unit, second_>);
@@ -414,50 +404,59 @@ concept invalid_operations = requires {
requires !requires { 2 == s; };
requires !requires { s < 2; };
requires !requires { 2 < s; };
requires !requires { s + time[second]; };
requires !requires { s - time[second]; };
requires !requires { s < time[second]; };
requires !requires { time[second] + s; };
requires !requires { time[second] - s; };
requires !requires { s + 1 * time[second]; };
requires !requires { s - 1 * time[second]; };
requires !requires { s * 1 * time[second]; };
requires !requires { s / 1 * time[second]; };
requires !requires { s == 1 * time[second]; };
requires !requires { s == 1 * time[second]; };
requires !requires { 1 * time[second] + s; };
requires !requires { 1 * time[second] - s; };
requires !requires { 1 * time[second] == s; };
requires !requires { 1 * time[second] < s; };
requires !requires { s + isq::time[second]; };
requires !requires { s - isq::time[second]; };
requires !requires { s < isq::time[second]; };
requires !requires { isq::time[second] + s; };
requires !requires { isq::time[second] - s; };
requires !requires { s + 1 * isq::time[second]; };
requires !requires { s - 1 * isq::time[second]; };
requires !requires { s * 1 * isq::time[second]; };
requires !requires { s / 1 * isq::time[second]; };
requires !requires { s == 1 * isq::time[second]; };
requires !requires { s == 1 * isq::time[second]; };
requires !requires { 1 * isq::time[second] + s; };
requires !requires { 1 * isq::time[second] - s; };
requires !requires { 1 * isq::time[second] == s; };
requires !requires { 1 * isq::time[second] < s; };
};
static_assert(invalid_operations<second>);
// comparisons of the same units
static_assert(second == second);
static_assert(metre / second == metre / second);
static_assert(milli<metre> / milli<second> == si::micro<metre> / si::micro<second>);
static_assert(milli<metre> / si::micro<second> == si::micro<metre> / si::nano<second>);
static_assert(si::micro<metre> / milli<second> == si::nano<metre> / si::micro<second>);
static_assert(milli<metre> * kilo<metre> == si::deci<metre> * si::deca<metre>);
static_assert(kilo<metre> * milli<metre> == si::deca<metre> * si::deci<metre>);
static_assert(milli<metre> / milli<second> != si::micro<metre> / si::micro<second>);
static_assert(equivalent(milli<metre> / milli<second>, si::micro<metre> / si::micro<second>));
static_assert(milli<metre> / si::micro<second> != si::micro<metre> / si::nano<second>);
static_assert(equivalent(milli<metre> / si::micro<second>, si::micro<metre> / si::nano<second>));
static_assert(si::micro<metre> / milli<second> != si::nano<metre> / si::micro<second>);
static_assert(equivalent(si::micro<metre> / milli<second>, si::nano<metre> / si::micro<second>));
static_assert(milli<metre> * kilo<metre> != si::deci<metre> * si::deca<metre>);
static_assert(equivalent(milli<metre> * kilo<metre>, si::deci<metre>* si::deca<metre>));
static_assert(kilo<metre> * milli<metre> != si::deca<metre> * si::deci<metre>);
static_assert(equivalent(kilo<metre> * milli<metre>, si::deca<metre>* si::deci<metre>));
// comparisons of equivalent units (named vs unnamed/derived)
static_assert(one / second == hertz);
static_assert(one / second != hertz);
static_assert(equivalent(one / second, hertz));
static_assert(convertible(one / second, hertz));
// comparisons of equivalent units of different quantities
static_assert(hertz == becquerel);
static_assert(convertible(hertz, becquerel));
static_assert(hertz != becquerel);
static_assert(!convertible(hertz, becquerel));
// comparisons of scaled units
static_assert(kilo<metre> == kilometre);
static_assert(mag<1000> * metre == kilo<metre>);
static_assert(mag<1000> * metre == kilometre);
static_assert(mag<1000> * metre != kilo<metre>);
static_assert(equivalent(mag<1000> * metre, kilo<metre>));
static_assert(mag<1000> * metre != kilometre);
static_assert(equivalent(mag<1000> * metre, kilometre));
static_assert(convertible(kilo<metre>, kilometre));
static_assert(convertible(mag<1000> * metre, kilo<metre>));
static_assert(convertible(mag<1000> * metre, kilometre));
static_assert(mag<60> * metre / second == metre / (mag_ratio<1, 60> * second));
static_assert(mag<60> * metre / second != metre / (mag_ratio<1, 60> * second));
static_assert(equivalent(mag<60> * metre / second, metre / (mag_ratio<1, 60> * second)));
static_assert(metre != kilometre);
static_assert(convertible(metre, kilometre));
@@ -474,7 +473,8 @@ static_assert(!convertible(metre, metre* metre));
static_assert(is_of_type<metre / metre, one_>);
static_assert(is_of_type<kilo<metre> / metre, derived_unit<kilo_<metre_>, per<metre_>>>);
static_assert(metre / metre == one);
static_assert(hertz * second == one);
static_assert(hertz * second != one);
static_assert(equivalent(hertz * second, one));
static_assert(one * one == one);
static_assert(is_of_type<one * one, one_>);
static_assert(one * percent == percent);
@@ -482,12 +482,18 @@ static_assert(percent * one == percent);
static_assert(is_of_type<one * percent, percent_>);
static_assert(is_of_type<percent * one, percent_>);
static_assert(hertz == one / second);
static_assert(newton == kilogram * metre / square(second));
static_assert(joule == kilogram * square(metre) / square(second));
static_assert(joule == newton * metre);
static_assert(watt == joule / second);
static_assert(watt == kilogram * square(metre) / cubic(second));
static_assert(hertz != one / second);
static_assert(equivalent(hertz, one / second));
static_assert(newton != kilogram * metre / square(second));
static_assert(equivalent(newton, kilogram* metre / square(second)));
static_assert(joule != kilogram * square(metre) / square(second));
static_assert(equivalent(joule, kilogram* square(metre) / square(second)));
static_assert(joule != newton * metre);
static_assert(equivalent(joule, newton* metre));
static_assert(watt != joule / second);
static_assert(equivalent(watt, joule / second));
static_assert(watt != kilogram * square(metre) / cubic(second));
static_assert(equivalent(watt, kilogram* square(metre) / cubic(second)));
// power
static_assert(is_same_v<decltype(pow<2>(metre)), decltype(metre * metre)>);