Subversion Repositories openrisc_me

typedef struct {

  long int p_x, p_y;

} Point;

int

f (Point basePt, Point pt1, Point pt2)

{

  long long vector;

  vector =

    (long long) (pt1.p_x - basePt.p_x) * (long long) (pt2.p_y - basePt.p_y) -

      (long long) (pt1.p_y - basePt.p_y) * (long long) (pt2.p_x - basePt.p_x);

  if (vector > (long long) 0)

    return 0;

  else if (vector < (long long) 0)

    return 1;

  else

    return 2;

}

main ()

{

  Point b, p1, p2;

  int answer;

  b.p_x = -23250;

  b.p_y = 23250;

  p1.p_x = 23250;

  p1.p_y = -23250;

  p2.p_x = -23250;

  p2.p_y = -23250;

  answer = f (b, p1, p2);

  if (answer != 1)

    abort ();

  exit (0);

}