blob: edd0bffd85a5f51ad5d7223b3ca6f7617caad85d [file] [log] [blame]
// 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);});
}