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refactor: all examples refactored to use a simplified quantity creation

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This commit is contained in:
Mateusz Pusz
2023-02-08 21:47:48 -08:00
parent 26ed241662
commit 859bc20fdc
18 changed files with 150 additions and 162 deletions
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example/box_example.cpp
+15 -16
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@@ -39,24 +39,24 @@ namespace {
using namespace mp_units;
using namespace mp_units::si::unit_symbols;
inline constexpr auto g = si::standard_gravity(1);
inline constexpr auto air_density = isq::mass_density(1.225, kg / m3);
inline constexpr auto g = 1 * si::standard_gravity;
inline constexpr auto air_density = isq::mass_density(1.225 * (kg / m3));
class Box {
quantity<isq::area[m2]> base_;
quantity<isq::height[m]> height_;
quantity<isq::mass_density[kg / m3]> density_ = air_density;
public:
constexpr Box(const quantity<isq::length[m]>& length, const quantity<isq::length[m]>& width,
quantity<isq::length[m]> height) :
constexpr Box(const quantity<isq::length[m]>& length, const quantity<isq::width[m]>& width,
quantity<isq::height[m]> height) :
base_(length * width), height_(std::move(height))
{
}
[[nodiscard]] constexpr QuantityOf<isq::weight> auto filled_weight() const
{
const WeakQuantityOf<isq::volume> auto volume = base_ * height_;
const WeakQuantityOf<isq::mass> auto mass = density_ * volume;
const QuantityOf<isq::volume> auto volume = isq::volume(base_ * height_);
const QuantityOf<isq::mass> auto mass = density_ * volume;
return quantity_cast<isq::weight>(mass * g);
}
@@ -82,22 +82,21 @@ public:
int main()
{
using namespace mp_units::si;
using namespace mp_units;
using namespace mp_units::si::unit_symbols;
constexpr auto mm = isq::length[unit_symbols::mm]; // helper reference object
const quantity<isq::height[m]> height = 200. * mm;
auto box = Box(isq::length(1000. * mm), isq::width(500. * mm), height);
box.set_contents_density(1000.0 * isq::mass_density[kg / m3]);
const auto height = mm(200.0)[metre];
auto box = Box(mm(1000.0), mm(500.0), height);
box.set_contents_density(isq::mass_density(1000.0, kg / m3));
const auto fill_time = isq::time(200.0, s); // time since starting fill
const auto measured_mass = isq::mass(20.0, kg); // measured mass at fill_time
const auto fill_time = 200. * s; // time since starting fill
const auto measured_mass = 20.0 * kg; // measured mass at fill_time
const auto fill_level = box.fill_level(measured_mass);
const auto spare_capacity = box.spare_capacity(measured_mass);
const auto filled_weight = box.filled_weight();
const WeakQuantityOf<isq::mass_change_rate> auto input_flow_rate = measured_mass / fill_time;
const WeakQuantityOf<isq::speed> auto float_rise_rate = fill_level / fill_time;
const QuantityOf<isq::mass_change_rate> auto input_flow_rate = measured_mass / fill_time;
const QuantityOf<isq::speed> auto float_rise_rate = fill_level / fill_time;
const QuantityOf<isq::time> auto fill_time_left = (height / fill_level - 1) * fill_time;
const auto fill_percent = (fill_level / height)[percent];