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feat: quantity_spec support added

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This commit is contained in:
Mateusz Pusz
2022-12-16 18:15:48 +01:00
parent e0101f14d9
commit 92c70f1a4e
32 changed files with 1524 additions and 827 deletions
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15
example/box_example.cpp
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@@ -34,15 +34,14 @@
namespace {
using namespace units;
using namespace units::si;
using namespace units::si::unit_symbols;
inline constexpr auto g = 1 * standard_gravity;
inline constexpr auto g = 1 * si::standard_gravity;
inline constexpr auto air_density = 1.225 * isq::mass_density[kg / m3];
class Box {
quantity<isq::area[m2]> base_;
quantity<isq::length[m]> height_;
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,
@@ -51,11 +50,11 @@ public:
{
}
[[nodiscard]] constexpr auto filled_weight() const
[[nodiscard]] constexpr quantity_of<isq::weight> auto filled_weight() const
{
const weak_quantity_of<isq::volume> auto volume = base_ * height_;
const quantity_of<isq::mass> auto mass = density_ * volume;
return mass * g;
const weak_quantity_of<isq::mass> auto mass = density_ * volume;
return quantity_cast<isq::weight>(mass * g);
}
[[nodiscard]] constexpr quantity<isq::length[m]> fill_level(const quantity<isq::mass[kg]>& measured_mass) const
@@ -80,7 +79,9 @@ public:
int main()
{
const auto mm = isq::length[unit_symbols::mm]; // helper reference value
using namespace units::si;
constexpr auto mm = isq::length[unit_symbols::mm]; // helper reference object
const auto height = (200.0 * mm)[metre];
auto box = Box(1000.0 * mm, 500.0 * mm, height);