return z>0?1:-1;
}
-float norm(float x1, float y1, float x2, float y2)
-{
- float x = x2 - x1;
- float y = y2 - y1;
- return sqrt(x*x + y*y);
-}
+/* float norm(float x1, float y1, float x2, float y2) */
+/* { */
+/* float x = x2 - x1; */
+/* float y = y2 - y1; */
+/* return sqrt(x*x + y*y); */
+/* } */
float pt_norm(point_t *p1, point_t *p2)
{