fix: correct division by zero bug in ConvexHull orientation function

Author: bhautikrathod9

Geometry/Test/ConvexHullGraham.test.js

@@ -1,45 +1,3 @@
-// import { convexHull } from '../ConvexHullGraham'
-
-// test('The ConvexHull of the following points is [{x: 0, y: 3}, {x: 4, y: 4}, {x: 3, y: 1}, {x: 0, y: 0}]', () => {
-//   const points = [
-//     { x: 0, y: 3 },
-//     { x: 1, y: 1 },
-//     { x: 2, y: 2 },
-//     { x: 4, y: 4 },
-//     { x: 0, y: 0 },
-//     { x: 1, y: 2 },
-//     { x: 3, y: 1 },
-//     { x: 3, y: 3 }
-//   ]
-//   const res = convexHull(points)
-//   expect(res).toEqual([
-//     { x: 0, y: 3 },
-//     { x: 4, y: 4 },
-//     { x: 3, y: 1 },
-//     { x: 0, y: 0 }
-//   ])
-// })
-
-// test('The ConvexHull of the following points is [{x: 1, y: 4}, {x: 9, y: 6}, {x: 7, y: 0}, {x: 0, y: 0}]', () => {
-//   const points = [
-//     { x: 4, y: 3 },
-//     { x: 1, y: 4 },
-//     { x: 2, y: 4 },
-//     { x: 0, y: 0 },
-//     { x: 9, y: 6 },
-//     { x: 1, y: 3 },
-//     { x: 4, y: 1 },
-//     { x: 7, y: 0 }
-//   ]
-//   const res = convexHull(points)
-//   expect(res).toEqual([
-//     { x: 1, y: 4 },
-//     { x: 9, y: 6 },
-//     { x: 7, y: 0 },
-//     { x: 0, y: 0 }
-//   ])
-// })
-
 import { describe, it, expect } from 'vitest'
 import { convexHull } from '../ConvexHullGraham'