blob: 5ef6fc500edf29d9a7838f6bfcc02473c186ce0a [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 the modulus must be positive
/// @author
import "../../../Utils/expect.dart";
main() {
Expect.throws(() {3.modInverse(-11);}, (e) => e is RangeError);
Expect.throws(() {3.modInverse(0);}, (e) => e is RangeError);