     XCTAssertEqual(self.vectorPoint.x, CGFloat(pow(self.doubleValue, 2)))
     XCTAssertEqual(self.vectorPoint.y, CGFloat(pow(self.doubleValue, 2)))
     
-    self.vectorPoint *= 2
-    XCTAssertEqual(self.vectorPoint.x, CGFloat(pow(self.doubleValue, 3)))
-    XCTAssertEqual(self.vectorPoint.y, CGFloat(pow(self.doubleValue, 3)))
     
   }
   func testDivisionScalar() {

    XCTAssertEqual(self.vectorPoint.x, 1)
    XCTAssertEqual(self.vectorPoint.y, 1)
    
    self.vectorPoint = self.vectorPoint / 2
    XCTAssertEqual(self.vectorPoint.x, 0.5)
    XCTAssertEqual(self.vectorPoint.y, 0.5)

  }
  func testDivisionScalarAssignment() {

    XCTAssertEqual(self.vectorPoint.x, 1)
    XCTAssertEqual(self.vectorPoint.y, 1)
    
 
  }

