mirror of
https://github.com/mpusz/mp-units.git
synced 2026-02-06 07:15:14 +01:00
94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
// 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/bits/external/hacks.h"
|
|
#include "units/physical/dimensions/length.h"
|
|
#include "units/physical/dimensions/speed.h"
|
|
#include "units/physical/si/base/length.h"
|
|
#include "units/physical/si/base/mass.h"
|
|
#include "units/physical/si/base/time.h"
|
|
#include "units/physical/si/derived/area.h"
|
|
#include "units/physical/si/derived/speed.h"
|
|
#include <cassert>
|
|
#include <cstdint>
|
|
#include <type_traits>
|
|
|
|
#if defined(COMP_MSVC)
|
|
#pragma warning( disable : 4459 ) // Disable shadowing warning.
|
|
#endif
|
|
|
|
using namespace units;
|
|
using namespace units::physical;
|
|
using namespace units::physical::si;
|
|
using namespace units::physical::si::unit_constants;
|
|
|
|
static_assert(2 * m == 2_q_m);
|
|
static_assert(2 * s == 2_q_s);
|
|
template<auto& s>
|
|
concept invalid_operations = requires {
|
|
requires !requires { s / 2; };
|
|
requires !requires { s * 2; };
|
|
requires !requires { s + 2; };
|
|
requires !requires { 2 + s; };
|
|
requires !requires { s + s; };
|
|
requires !requires { s - 2; };
|
|
requires !requires { 2 - s; };
|
|
requires !requires { s - s; };
|
|
requires !requires { s + 1_q_s; };
|
|
requires !requires { s - 1_q_s; };
|
|
requires !requires { 1_q_s + s; };
|
|
requires !requires { 1_q_s - s; };
|
|
};
|
|
static_assert(invalid_operations<s>);
|
|
|
|
constexpr auto m_per_s = m / s;
|
|
|
|
static_assert(2_q_m / s == 2_q_m_per_s);
|
|
static_assert(2 * m / s == 2_q_m_per_s);
|
|
static_assert(2 / s * m == 2_q_m_per_s);
|
|
static_assert(2 * (m / s) == 2_q_m_per_s);
|
|
static_assert(2 * ::m_per_s == 2_q_m_per_s);
|
|
static_assert(is_same_v<decltype(::m_per_s)::rep, decltype(m)::rep>);
|
|
|
|
static_assert(120 * km / (2 * h) == 60_q_km_per_h);
|
|
static_assert(120 * km / 2 / h == 60_q_km_per_h);
|
|
static_assert([] {
|
|
const auto length{120};
|
|
const auto duration{2};
|
|
return length * km / (duration * h);
|
|
}() == 60_q_km_per_h);
|
|
static_assert(is_same_v<decltype(std::int64_t{120} * km / (2 * h)), decltype(60_q_km_per_h)>);
|
|
static_assert(is_same_v<decltype(std::int64_t{120} * km / 2 / h), decltype(60_q_km_per_h)>);
|
|
static_assert(is_same_v<decltype(120.L * km / 2 / h), decltype(60._q_km_per_h)>);
|
|
|
|
static_assert(1. / 4 * m2 == 1._q_m2 / 4);
|
|
|
|
static_assert([] {
|
|
Speed auto v0 = 10 * m / s;
|
|
signed s = 2; // hides ^
|
|
Length auto v = 20 * m / s;
|
|
/* */ v0 = 10 * m / ::s;
|
|
return !is_same_v<decltype(v0), decltype(v)>;
|
|
}());
|
|
|
|
int main() {}
|