#ifndef POINT_H
#define POINT_H

/**
  * Point class represents node location in the graphic widget. It contains the information about its location
  * in x and y. 
  */
typedef struct Point {
        int xval, yval;
} Point;

Point *mkpt(int x, int y);
double dist(Point a, Point b);
Point *add(Point *a, Point *b);
Point *sub(Point a, Point b);
void move(Point *p, int a, int b);
void print(Point p);
void prline(Point x, char *op, Point y, Point z);

#endif // POINT_H