| // Copyright (c) 2016, 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 int gcd(int other) |
| /// Returns the greatest common divisor of this integer and other. |
| /// |
| /// If either number is non-zero, the result is the numerically greatest integer |
| /// dividing both this and other. |
| /// |
| /// The greatest common divisor is independent of the order, so x.gcd(y) is |
| /// always the same as y.gcd(x). |
| /// ... |
| /// @description Checks that this method returns the greatest common divisor of |
| /// this integer and other |
| /// @author sgrekhov@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.equals(3, 9.gcd(6)); |
| Expect.equals(17, (17 * 3).gcd(17 * 2)); |
| Expect.equals(17, (17 * 2).gcd(17 * 3)); |
| Expect.equals(17, (-17 * 3).gcd(-17 * 2)); |
| Expect.equals(17, (-17 * 2).gcd(-17 * 3)); |
| Expect.equals(17, (-17 * 2).gcd(17 * 3)); |
| Expect.equals(17, 17.gcd(17)); |
| Expect.equals(17, 17.gcd(-17)); |
| } |