forked from mpusz/mp-units
feat: quantity_point
This commit is contained in:
committed by
Mateusz Pusz
parent
75274e13ca
commit
75119eef3f
@@ -0,0 +1,254 @@
|
||||
// The MIT License (MIT)
|
||||
//
|
||||
// Copyright (c) 2018 Mateusz Pusz
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in all
|
||||
// copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
// SOFTWARE.
|
||||
|
||||
#include "units/math.h"
|
||||
#include "units/physical/si/area.h"
|
||||
#include "units/physical/si/frequency.h"
|
||||
#include "units/physical/si/speed.h"
|
||||
#include "units/physical/si/volume.h"
|
||||
#include "units/physical/us/length.h"
|
||||
#include "units/quantity_point.h"
|
||||
#include <chrono>
|
||||
#include <utility>
|
||||
|
||||
namespace {
|
||||
|
||||
using namespace units;
|
||||
using namespace units::physical::si;
|
||||
|
||||
// class invariants
|
||||
|
||||
template<typename DimLength>
|
||||
concept invalid_types = requires
|
||||
{
|
||||
!requires { typename quantity_point<DimLength, second, int>; }; // unit of a different dimension
|
||||
!requires { typename quantity_point<DimLength, metre, quantity<DimLength, metre, int>>; }; // quantity used as Rep
|
||||
// quantity point used as Rep
|
||||
!requires { typename quantity_point<DimLength, metre, quantity_point<DimLength, metre, int>>; };
|
||||
!requires { typename quantity<metre, DimLength, double>; }; // reordered arguments
|
||||
};
|
||||
|
||||
static_assert(invalid_types<physical::si::dim_length>);
|
||||
|
||||
// member types
|
||||
|
||||
static_assert(std::is_same_v<quantity_point<dim_length, metre, int>::rep, int>);
|
||||
static_assert(std::is_same_v<quantity_point<dim_length, metre, double>::rep, double>);
|
||||
static_assert(std::is_same_v<quantity_point<dim_length, metre, int>::unit, metre>);
|
||||
static_assert(std::is_same_v<quantity_point<dim_length, kilometre, int>::unit, kilometre>);
|
||||
|
||||
// constructors
|
||||
|
||||
static_assert(quantity_point<dim_length, metre, int>().relative() == 0q_m);
|
||||
constexpr quantity_point<dim_length, metre, int> km{1000q_m};
|
||||
static_assert(km.relative() == 1000q_m);
|
||||
static_assert(quantity_point<dim_length, metre, int>(km).relative() == km.relative());
|
||||
|
||||
static_assert(quantity_point<dim_length, metre, int>(1q_m).relative() == 1q_m);
|
||||
static_assert(!std::is_constructible_v<quantity_point<dim_length, metre, int>, double>); // truncating conversion
|
||||
static_assert(quantity_point<dim_length, metre, double>(1.0q_m).relative() == 1.0q_m);
|
||||
static_assert(quantity_point<dim_length, metre, double>(1q_m).relative() == 1q_m);
|
||||
static_assert(quantity_point<dim_length, metre, long double>(3.14q_m).relative() == 3.14q_m);
|
||||
|
||||
static_assert(quantity_point<dim_length, metre, int>(km).relative() == 1000q_m);
|
||||
static_assert(!std::is_constructible_v<quantity_point<dim_length, metre, int>,
|
||||
quantity_point<dim_length, metre, double>>); // truncating conversion
|
||||
static_assert(quantity_point<dim_length, metre, double>(quantity_point(1000.0q_m)).relative() == 1000.0q_m);
|
||||
static_assert(quantity_point<dim_length, metre, double>(km).relative() == 1000.0q_m);
|
||||
static_assert(quantity_point<dim_length, metre, int>(quantity_point(1q_km)).relative() == 1000q_m);
|
||||
static_assert(!std::is_constructible_v<quantity_point<dim_length, metre, int>,
|
||||
quantity_point<dim_time, second, int>>); // different dimensions
|
||||
static_assert(!std::is_constructible_v<quantity_point<dim_length, kilometre, int>,
|
||||
quantity_point<dim_length, metre, int>>); // truncating conversion
|
||||
|
||||
// assignment operator
|
||||
|
||||
static_assert([]() { quantity_point<dim_length, metre, int> l1(1q_m), l2{}; return l2 = l1; }().relative() == 1q_m);
|
||||
|
||||
// static member functions
|
||||
|
||||
static_assert(quantity_point<dim_length, metre, int>::min().relative().count() == std::numeric_limits<int>::lowest());
|
||||
static_assert(quantity_point<dim_length, metre, int>::max().relative().count() == std::numeric_limits<int>::max());
|
||||
static_assert(quantity_point<dim_length, metre, double>::min().relative().count() ==
|
||||
std::numeric_limits<double>::lowest());
|
||||
static_assert(quantity_point<dim_length, metre, double>::max().relative().count() ==
|
||||
std::numeric_limits<double>::max());
|
||||
|
||||
// unary member operators
|
||||
|
||||
static_assert([km=km]() mutable { return ++km; }().relative().count() == 1001);
|
||||
static_assert([km=km]() mutable { return --km; }().relative().count() == 999);
|
||||
static_assert([km=km]() mutable { return km++; }().relative().count() == 1000);
|
||||
static_assert([km=km]() mutable { return km--; }().relative().count() == 1000);
|
||||
|
||||
// binary member operators
|
||||
|
||||
static_assert([](auto v) {
|
||||
auto vv = v++;
|
||||
return std::pair(v, vv);
|
||||
}(km) == std::pair(quantity_point<dim_length, metre, int>(1001q_m), quantity_point<dim_length, metre, int>(1000q_m)));
|
||||
static_assert([](auto v) {
|
||||
auto vv = ++v;
|
||||
return std::pair(v, vv);
|
||||
}(km) == std::pair(quantity_point<dim_length, metre, int>(1001q_m), quantity_point<dim_length, metre, int>(1001q_m)));
|
||||
static_assert([](auto v) {
|
||||
auto vv = v--;
|
||||
return std::pair(v, vv);
|
||||
}(km) == std::pair(quantity_point<dim_length, metre, int>(999q_m), quantity_point<dim_length, metre, int>(1000q_m)));
|
||||
static_assert([](auto v) {
|
||||
auto vv = --v;
|
||||
return std::pair(v, vv);
|
||||
}(km) == std::pair(quantity_point<dim_length, metre, int>(999q_m), quantity_point<dim_length, metre, int>(999q_m)));
|
||||
|
||||
// compound assignment
|
||||
|
||||
static_assert((quantity_point(1q_m) += 1q_m).relative().count() == 2);
|
||||
static_assert((quantity_point(2q_m) -= 1q_m).relative().count() == 1);
|
||||
|
||||
// non-member arithmetic operators
|
||||
|
||||
static_assert(std::is_same_v<decltype(quantity_point<dim_length, metre, int>() + length<metre, double>()),
|
||||
quantity_point<dim_length, metre, double>>);
|
||||
static_assert(std::is_same_v<decltype(length<metre, int>() + quantity_point<dim_length, metre, double>()),
|
||||
quantity_point<dim_length, metre, double>>);
|
||||
static_assert(std::is_same_v<decltype(quantity_point<dim_length, kilometre, int>() + length<metre, double>()),
|
||||
quantity_point<dim_length, metre, double>>);
|
||||
static_assert(std::is_same_v<decltype(length<kilometre, int>() + quantity_point<dim_length, metre, double>()),
|
||||
quantity_point<dim_length, metre, double>>);
|
||||
static_assert(std::is_same_v<decltype(quantity_point<dim_length, metre, double>() - length<metre, int>()),
|
||||
quantity_point<dim_length, metre, double>>);
|
||||
static_assert(std::is_same_v<decltype(quantity_point<dim_length, kilometre, double>() - length<metre, int>()),
|
||||
quantity_point<dim_length, metre, double>>);
|
||||
static_assert(
|
||||
std::is_same_v<decltype(quantity_point<dim_length, metre, double>() - quantity_point<dim_length, metre, int>()),
|
||||
length<metre, double>>);
|
||||
static_assert(
|
||||
std::is_same_v<decltype(quantity_point<dim_length, kilometre, double>() - quantity_point<dim_length, metre, int>()),
|
||||
length<metre, double>>);
|
||||
|
||||
static_assert((1q_m + km).relative().count() == 1001);
|
||||
static_assert((quantity_point(1q_m) + 1q_km).relative().count() == 1001);
|
||||
static_assert((km - 1q_m).relative().count() == 999);
|
||||
static_assert((quantity_point(1q_km) - quantity_point(1q_m)).count() == 999);
|
||||
|
||||
// comparators
|
||||
|
||||
static_assert(quantity_point(2q_m) + 1q_m == quantity_point(3q_m));
|
||||
static_assert(!(2q_m + quantity_point(2q_m) == quantity_point(3q_m)));
|
||||
static_assert(quantity_point(2q_m) + 2q_m != quantity_point(3q_m));
|
||||
static_assert(!(2q_m + quantity_point(2q_m) != quantity_point(4q_m)));
|
||||
static_assert(quantity_point(2q_m) > quantity_point(1q_m));
|
||||
static_assert(!(quantity_point(1q_m) > quantity_point(1q_m)));
|
||||
static_assert(quantity_point(1q_m) < quantity_point(2q_m));
|
||||
static_assert(!(quantity_point(2q_m) < quantity_point(2q_m)));
|
||||
static_assert(quantity_point(2q_m) >= quantity_point(1q_m));
|
||||
static_assert(quantity_point(2q_m) >= quantity_point(2q_m));
|
||||
static_assert(!(quantity_point(2q_m) >= quantity_point(3q_m)));
|
||||
static_assert(quantity_point(1q_m) <= quantity_point(2q_m));
|
||||
static_assert(quantity_point(2q_m) <= quantity_point(2q_m));
|
||||
static_assert(!(quantity_point(3q_m) <= quantity_point(2q_m)));
|
||||
|
||||
static_assert(quantity_point(3q_m) == quantity_point(3.0q_m));
|
||||
static_assert(quantity_point(3q_m) != quantity_point(3.14q_m));
|
||||
static_assert(quantity_point(2q_m) > quantity_point(1.0q_m));
|
||||
static_assert(quantity_point(1.0q_m) < quantity_point(2q_m));
|
||||
static_assert(quantity_point(2.0q_m) >= quantity_point(1q_m));
|
||||
static_assert(quantity_point(1q_m) <= quantity_point(2.0q_m));
|
||||
|
||||
static_assert(quantity_point(1000q_m) == quantity_point(1q_km));
|
||||
static_assert(quantity_point(1001q_m) != quantity_point(1q_km));
|
||||
static_assert(quantity_point(1001q_m) > quantity_point(1q_km));
|
||||
static_assert(quantity_point(999q_m) < quantity_point(1q_km));
|
||||
static_assert(quantity_point(1000q_m) >= quantity_point(1q_km));
|
||||
static_assert(quantity_point(1000q_m) <= quantity_point(1q_km));
|
||||
|
||||
// alias units
|
||||
|
||||
static_assert(quantity_point(2q_l) + 2q_ml == quantity_point(2002q_ml));
|
||||
static_assert(2q_l + quantity_point(2q_ml) == quantity_point(2002q_cm3));
|
||||
static_assert(quantity_point(2q_l) + 2q_cm3 == quantity_point(2002q_ml));
|
||||
static_assert(2q_dm3 + quantity_point(2q_cm3) == quantity_point(2002q_ml));
|
||||
|
||||
// is_quantity_point
|
||||
|
||||
static_assert(QuantityPoint<quantity_point<dim_length, millimetre, int>>);
|
||||
|
||||
// common_quantity_point
|
||||
|
||||
static_assert(std::is_same_v<
|
||||
common_quantity_point<quantity_point<dim_length, metre, int>, quantity_point<dim_length, kilometre, int>>,
|
||||
quantity_point<dim_length, metre, int>>);
|
||||
static_assert(std::is_same_v<common_quantity_point<quantity_point<dim_length, kilometre, long long>,
|
||||
quantity_point<dim_length, metre, int>>,
|
||||
quantity_point<dim_length, metre, long long>>);
|
||||
static_assert(std::is_same_v<common_quantity_point<quantity_point<dim_length, kilometre, long long>,
|
||||
quantity_point<dim_length, millimetre, double>>,
|
||||
quantity_point<dim_length, millimetre, double>>);
|
||||
|
||||
// common_type
|
||||
|
||||
using namespace units::physical::us::literals;
|
||||
|
||||
static_assert(std::equality_comparable<decltype(quantity_point(1q_m))>);
|
||||
static_assert(std::equality_comparable_with<decltype(quantity_point(1q_m)), decltype(quantity_point(1q_km))>);
|
||||
static_assert(quantity_point(0q_m) == quantity_point(0q_ft_us));
|
||||
static_assert(std::equality_comparable_with<decltype(quantity_point(1q_m)), decltype(quantity_point(1q_ft_us))>);
|
||||
|
||||
// quantity_cast
|
||||
|
||||
static_assert(
|
||||
std::is_same_v<decltype(quantity_point_cast<scaled_unit<ratio<1>, metre>>(quantity_point(2q_km)))::unit, metre>);
|
||||
|
||||
static_assert(quantity_point_cast<quantity_point<dim_length, metre, int>>(quantity_point(2q_km)).relative().count() ==
|
||||
2000);
|
||||
static_assert(
|
||||
quantity_point_cast<quantity_point<dim_length, kilometre, int>>(quantity_point(2000q_m)).relative().count() == 2);
|
||||
static_assert(quantity_point_cast<quantity_point<dim_length, metre, int>>(quantity_point(1.23q_m)).relative().count() ==
|
||||
1);
|
||||
static_assert(quantity_point_cast<length<metre, int>>(quantity_point(2q_km)).relative().count() == 2000);
|
||||
static_assert(quantity_point_cast<length<kilometre, int>>(quantity_point(2000q_m)).relative().count() == 2);
|
||||
static_assert(quantity_point_cast<length<metre, int>>(quantity_point(1.23q_m)).relative().count() == 1);
|
||||
static_assert(quantity_point_cast<metre>(quantity_point(2q_km)).relative().count() == 2000);
|
||||
static_assert(quantity_point_cast<kilometre>(quantity_point(2000q_m)).relative().count() == 2);
|
||||
static_assert(quantity_point_cast<int>(quantity_point(1.23q_m)).relative().count() == 1);
|
||||
|
||||
// time
|
||||
|
||||
static_assert(!std::equality_comparable_with<quantity_point<dim_time, second, int>,
|
||||
quantity_point<dim_length, metre, int>>); // different dimensions
|
||||
static_assert(quantity_point{1q_h} == quantity_point{3600q_s});
|
||||
|
||||
// length
|
||||
|
||||
static_assert(quantity_point(1q_km) == quantity_point(1000q_m));
|
||||
static_assert(quantity_point(1q_km) + 1q_m == quantity_point(1001q_m));
|
||||
static_assert(1q_km + quantity_point(1q_m) == quantity_point(1001q_m));
|
||||
|
||||
template<class T>
|
||||
concept dimensional_analysis = requires(T t)
|
||||
{
|
||||
pow<2>(t);
|
||||
};
|
||||
|
||||
static_assert(!dimensional_analysis<quantity_point<dim_length, metre, int>>);
|
||||
|
||||
} // namespace
|
||||
Reference in New Issue
Block a user