Public Methods | 
| 
  | Coordinate () | 
| 
  | Coordinate (int I, int J) | 
| 
  | Coordinate (int a) | 
| 
const Coordinate &  | operator= (const Coordinate &c) | 
 Public Attributes | 
| 
int  | i | 
| 
int  | j | 
 Friends | 
| 
int  | operator== (const Coordinate &a, const Coordinate &b) | 
| 
float  | distance2 (const Coordinate &a) | 
| 
float  | distance (const Coordinate &a) | 
| 
Coordinate  | operator- (const Coordinate &a, const Coordinate &b) | 
| 
Coordinate  | operator+ (const Coordinate &a, const Coordinate &b) | 
| 
ostream &  | operator<< (ostream &os, const Coordinate &point) | 
| 
istream &  | operator>> (istream &os, Coordinate &point) |