| // 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 modInverse(int modulus) |
| /// Returns the modular multiplicative inverse of this integer modulo modulus. |
| /// |
| /// The modulus must be positive. |
| /// |
| /// It is an error if no modular inverse exists. |
| /// @description Checks that it is an error if no modular inverse exists. |
| /// @author sgrekhov@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.throws(() {2.modInverse(4);}); |
| Expect.throws(() {4.modInverse(8);}); |
| } |