| /* |
| * Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion final double magnitude |
| * Get the straight line (Euclidean) distance between the origin (0, 0) and this point. |
| * @description checks that the value of the property equals to the Euclidean distance. |
| * @author kaigorodov |
| */ |
| import "dart:math"; |
| import "../../../Utils/expect.dart"; |
| |
| const EPS=1.0e-10; |
| |
| void check(num x, num y) { |
| Point point=new Point(x, y); |
| double dist=sqrt(x*x+y*y); |
| Expect.approxEquals(dist, point.magnitude, EPS); |
| } |
| |
| main() { |
| check(0,0); |
| check(-1.0, 0); |
| check(0, -1); |
| check(1.0, 1); |
| check(E, -PI); |
| } |