QInterval.hh

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#ifndef _Q_INTERVAL_HH_
#define _Q_INTERVAL_HH_
 
#include "QDiana.hh"
#include "QObject.hh"
 
Q_BEGIN_NAMESPACE
 
class QInterval : public QObject {
    public:
        QInterval(const double min, const double max);
        
        QInterval();
 
        virtual ~QInterval();
 
        void Clear() {
            SetMin(Q_DOUBLE_DEFAULT);
            SetMax(Q_DOUBLE_DEFAULT);
        }
        
        bool operator<(const QInterval& interval) const
            {return ( (GetMin() < interval.GetMin())
                      || 
                      (!(interval.GetMin() < GetMin())
                       && GetMax() < interval.GetMax()) );}
        
        bool operator==(const QInterval& other) const { return fMax == other.fMax && fMin == other.fMin; }
 
        bool Contains(const double value) const
            {return (GetMin() <= value && value <= GetMax());}
        
        bool Contains(const QInterval& interval) const
            {return (GetMin() <= interval.GetMin()
                     && interval.GetMax() <= GetMax());}
        
        double GetMax() const {return fMax;}
        
        double GetMin() const {return fMin;}
        
        bool Intersects(const QInterval& interval) const
            {return (Contains(interval.GetMin()) || Contains(interval.GetMax())
                     || interval.Contains(*this));}
        
        double Length() const {return (GetMax() - GetMin());}
        
        void SetMax(const double max) {fMax = max;}
        
        void SetMin(const double min) {fMin = min;}
    
    protected:
        double fMax;
        
        double fMin;
 
        QObjectDef(QInterval,1);
};
 
Q_END_NAMESPACE
 
#endif