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refactor: UDLs support switched off by default

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Mateusz Pusz
2021-04-02 18:56:28 +02:00
parent 5fc7e01d19
commit 1a5b4fc85e
17 changed files with 144 additions and 142 deletions
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43
example/box_example.cpp
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@@ -39,43 +39,37 @@
namespace {
using namespace units::isq;
using namespace si::references;
using m = si::metre;
using m2 = si::square_metre;
using m3 = si::cubic_metre;
using kg = si::kilogram;
using N = si::newton;
using kgpm3 = si::kilogram_per_metre_cub;
inline constexpr auto g = si::si2019::standard_gravity<>;
inline constexpr si::density<kgpm3> air_density(1.225);
inline constexpr Acceleration auto g = si::si2019::standard_gravity<>;
inline constexpr Density auto air_density = 1.225 * (kg / m3);
class Box {
si::area<m2> base_;
si::length<m> height_;
si::density<kgpm3> density_ = air_density;
si::area<si::square_metre> base_;
si::length<si::metre> height_;
si::density<si::kilogram_per_metre_cub> density_ = air_density;
public:
constexpr Box(const si::length<m>& length, const si::length<m>& width, si::length<m> height) : base_(length * width), height_(std::move(height)) {}
constexpr Box(const si::length<si::metre>& length, const si::length<si::metre>& width, si::length<si::metre> height) : base_(length * width), height_(std::move(height)) {}
[[nodiscard]] constexpr si::force<N> filled_weight() const
[[nodiscard]] constexpr si::force<si::newton> filled_weight() const
{
const si::volume<m3> volume = base_ * height_;
const si::mass<kg> mass = density_ * volume;
const Volume auto volume = base_ * height_;
const Mass auto mass = density_ * volume;
return mass * g;
}
[[nodiscard]] constexpr si::length<m> fill_level(const si::mass<kg>& measured_mass) const
[[nodiscard]] constexpr si::length<si::metre> fill_level(const si::mass<si::kilogram>& measured_mass) const
{
return height_ * measured_mass * g / filled_weight();
}
[[nodiscard]] constexpr si::volume<m3> spare_capacity(const si::mass<kg>& measured_mass) const
[[nodiscard]] constexpr si::volume<si::cubic_metre> spare_capacity(const si::mass<si::kilogram>& measured_mass) const
{
return (height_ - fill_level(measured_mass)) * base_;
}
constexpr void set_contents_density(const si::density<kgpm3>& density_in)
constexpr void set_contents_density(const si::density<si::kilogram_per_metre_cub>& density_in)
{
assert(density_in > air_density);
density_ = density_in;
@@ -88,14 +82,13 @@ public:
int main()
{
using namespace units;
using namespace si::literals;
const si::length<m> height(200.0_q_mm);
auto box = Box(1000.0_q_mm, 500.0_q_mm, height);
box.set_contents_density(1000.0_q_kg_per_m3);
const si::length<si::metre> height = 200.0 * mm;
auto box = Box(1000.0 * mm, 500.0 * mm, height);
box.set_contents_density(1000.0 * (kg / m3));
const auto fill_time = 200.0_q_s; // time since starting fill
const auto measured_mass = 20.0_q_kg; // measured mass at fill_time
const auto fill_time = 200.0 * s; // time since starting fill
const auto measured_mass = 20.0 * kg; // measured mass at fill_time
const Length auto fill_level = box.fill_level(measured_mass);
const Dimensionless auto fill_percent = quantity_cast<percent>(fill_level / height);