2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import static org.testng.Assert.assertEquals;
25 import org.testng.annotations.Test;
27 public class MathUtilsTest
29 @Test(groups = "Functional")
32 assertEquals(MathUtils.gcd(0, 0), 0);
33 assertEquals(MathUtils.gcd(0, 1), 1);
34 assertEquals(MathUtils.gcd(1, 0), 1);
35 assertEquals(MathUtils.gcd(1, 1), 1);
36 assertEquals(MathUtils.gcd(1, -1), 1);
37 assertEquals(MathUtils.gcd(-1, 1), 1);
38 assertEquals(MathUtils.gcd(2, 3), 1);
39 assertEquals(MathUtils.gcd(4, 2), 2);
40 assertEquals(MathUtils.gcd(2, 4), 2);
41 assertEquals(MathUtils.gcd(2, -4), 2);
42 assertEquals(MathUtils.gcd(-2, 4), 2);
43 assertEquals(MathUtils.gcd(-2, -4), 2);
44 assertEquals(MathUtils.gcd(2 * 3 * 5 * 7 * 11, 3 * 7 * 13 * 17), 3 * 7);