#ifndef POINT_H_INCLUDED
#define POINT_H_INCLUDED
#define UNDEFINED 10e100
class Point
{
protected :
double x;
double y;
public :
Point( ) ;
Point( double xvalue, double yvalue) ;
void SetAll( double xvalue, double yvalue) ;
double GetX( void ) const ;
double GetY( void ) const ;
double Distance( Point p) ;
double Slope( Point p) ;
} ;
#endif
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