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#ifndef LINE_H
#define LINE_H
#inlude "point.h"
class Line // p.165
{
Point startP, endP;
public:
Line(int startX, int startY, int endX, int endY)
: startP(startX, startY), endP(endX, endY)
{ }
Point StartPoint( ) const
{ return startP; }
Point EndPoint( ) const
{ return endP; }
flost Length( ) const
{ float d;
int x0, y0;
x0 = startP.X_Cord() - endP.X_Cord();
y0 = startP.Y_Cord() - endP.Y_Cord();
d = sqrt( x0 * x0 + y0 * y0);
return d;
}
};
#endif