// pfarrayd.h -- slighyly modified from the textbook example

#ifndef PFARRAYD_H
#define PFARRAYD_H

//Objects of this class are partially filled arrays of doubles.
class PFArrayD
{
public:
    PFArrayD(int capacityValue = 5);
    PFArrayD(const PFArrayD& pfaObject);
    ~PFArrayD( );

    int getCapacity( ) const { return capacity; }
    int getNumberUsed( ) const { return used; }
    bool full( ) const { return (capacity == used); }

    void addElement(double element);
    void emptyArray( ){ used = 0; }

    double& operator[](int index);
    double operator[](int index) const;
    PFArrayD& operator =(const PFArrayD& rightSide);

private:
    double *a; //for an array of doubles.
    int capacity; //for the size of the array.
    int used; //for the number of array positions currently in use.
};

#endif //PFARRAYD_H