Interval.hpp

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#ifndef PHYTH_INTERVAL_HPP
#define PHYTH_INTERVAL_HPP
 
#include <stdexcept>
 
#include "Quantity.hpp"
#include "Unit.hpp"
 
namespace Phyth {
    template<typename UnitT>
    struct Interval {
        static_assert(is_unit_v<UnitT>, "Interval requires a Unit type as template parameter");
 
        Interval(Quantity<UnitT> value) noexcept
            : min_(value), max_(value) {
        }
 
        Interval(Quantity<UnitT> min, Quantity<UnitT> max)
            : min_(min), max_(max) {
            if (min_ > max_) {
                throw std::invalid_argument("Interval: min must be less than max");
            }
        }
 
        bool Contains(Quantity<UnitT> x) const noexcept {
            return min_ <= x && x <= max_;
        }
 
        bool Contains(const Interval &interval) const noexcept {
            return interval.max_ <= max_ && interval.min_ >= min_;
        }
 
        Quantity<UnitT> GetMinimum() const noexcept { return min_; }
 
        Quantity<UnitT> GetMaximum() const noexcept { return max_; }
 
    private:
        Quantity<UnitT> min_;
        Quantity<UnitT> max_;
    };
}
 
#endif // PHYTH_INTERVAL_HPP