rPoint2D.h

/*
 * Forward class declarations
 */
#ifndef rPoint2Dhh
#define rPoint2Dhh

#include <iostream>
#include <math.h>
class rPoint2D;
class Rect2D;
class rLatLon;
class rLatLonint;
class Trixel;


/*
 * Class declarations
 */
class rPoint;
class rVector;

class rPoint2D {
  friend std::ostream&
    operator<<(std::ostream&, rPoint2D&); /* used with cout */
  protected:
  public:
    double x;
    double y;
    rPoint2D ();
    rPoint2D (double, double);
    rPoint2D (rVector);
    rPoint2D (rPoint);
    ~rPoint2D () {};
    rPoint2D& operator=(rPoint2D );
    rPoint2D& operator=(rLatLon );
    rPoint2D& operator=(rLatLonint );

    rPoint2D& operator=(rPoint );
	rPoint2D& operator=(rVector &);
    //operator rVector();
    //operator rLatLon();
    //operator rPoint();	
	void abs () { x = ::fabs (x); y = ::fabs (y); }
    int operator==(rPoint2D p) { return (x == p.x && y == p.y );}
    int operator<=(rPoint2D p) { return (x<=p.x && y<=p.y); }
    int operator<(rPoint2D p) { return (x<p.x && y<p.y); }
    int operator>=(rPoint2D p) { return (x>=p.x && y>=p.y); }
    int operator>(rPoint2D p) { return (x>p.x && y>p.y); }
/*
    friend int operator<=(rPoint2D &p, rPoint2D &r) { return (p.x<=r.x && p.y<=r.y); }
    friend int operator<(rPoint2D &p, rPoint2D &r) { return (p.x<r.x && p.y<r.y); }
    friend int operator>=(rPoint2D &p, rPoint2D &r) { return (p.x>=r.x && p.y>=r.y); }
    friend int operator>(rPoint2D &p, rPoint2D &r) { return (p.x>r.x && p.y>r.y); }
*/
    /*assign an array of three values to the rPoint */
    rPoint2D& operator&=(double*);

    rPoint2D& operator+=(rPoint2D);
    rPoint2D& operator-=(rPoint2D);
    rPoint2D& operator*=(rPoint2D);
    rPoint2D& operator/=(rPoint2D);
    rPoint2D& operator+(double);
    rPoint2D& operator-(double);
    rPoint2D& operator*(double);
    rPoint2D& operator/(double);
    rPoint2D& operator+=(double);
    rPoint2D& operator-=(double);
    rPoint2D& operator*=(double);
    rPoint2D& operator/=(double);
    rPoint2D& set (double, double);
   // void dout ();/* the display routine */



 /*   friend Rect2D;
    friend Trixel;
    friend rPoint2D operator+(rPoint2D ,rPoint2D );
    friend rPoint2D operator-(rPoint2D ,rPoint2D );
    friend rPoint2D operator*(rPoint2D ,rPoint2D ); 
    friend rPoint2D operator/(rPoint2D ,rPoint2D );*/
};
#endif