Change points to match other implementations

Author: PeanutbutterWarrior

contents/graham_scan/code/rust/graham_scan.rs

@@ -75,14 +75,21 @@ fn graham_scan(mut points: Vec<Point>) -> Vec<Point> {
 
 fn main() {
     let points = vec![
-        Point { x: 1.0, y: 3.0 },
-        Point { x: 2.0, y: 4.0 },
-        Point { x: 4.0, y: 0.0 },
-        Point { x: 1.0, y: 0.0 },
-        Point { x: 0.0, y: 2.0 },
-        Point { x: 2.0, y: 2.0 },
-        Point { x: 3.0, y: 4.0 },
-        Point { x: 3.0, y: 1.0 },
+        Point { x:  -5.0, y:   2.0 },
+        Point { x:   5.0, y:   7.0 },
+        Point { x:  -6.0, y: -12.0 },
+        Point { x: -14.0, y: -14.0 },
+        Point { x:   9.0, y:   9.0 },
+        Point { x:  -1.0, y:  -1.0 },
+        Point { x: -10.0, y: -11.0 },
+        Point { x:  -6.0, y:  15.0 },
+        Point { x:  -6.0, y:   8.0 },
+        Point { x:  15.0, y:  -9.0 },
+        Point { x:  -7.0, y:  -7.0 },
+        Point { x:  -2.0, y:  -9.0 },
+        Point { x:   6.0, y:  -5.0 },
+        Point { x:   0.0, y:  14.0 },
+        Point { x:   2.0, y:   8.0 },
     ];
 
     let hull_points = graham_scan(points);