Atan2Tests.java revision 809
b87033953be26b0dc7dead8febd499b666a54126Peter Major/*
b87033953be26b0dc7dead8febd499b666a54126Peter Major * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved.
b87033953be26b0dc7dead8febd499b666a54126Peter Major * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
b87033953be26b0dc7dead8febd499b666a54126Peter Major *
b87033953be26b0dc7dead8febd499b666a54126Peter Major * This code is free software; you can redistribute it and/or modify it
b87033953be26b0dc7dead8febd499b666a54126Peter Major * under the terms of the GNU General Public License version 2 only, as
b87033953be26b0dc7dead8febd499b666a54126Peter Major * published by the Free Software Foundation.
b87033953be26b0dc7dead8febd499b666a54126Peter Major *
b87033953be26b0dc7dead8febd499b666a54126Peter Major * This code is distributed in the hope that it will be useful, but WITHOUT
b87033953be26b0dc7dead8febd499b666a54126Peter Major * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b87033953be26b0dc7dead8febd499b666a54126Peter Major * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
b87033953be26b0dc7dead8febd499b666a54126Peter Major * version 2 for more details (a copy is included in the LICENSE file that
b87033953be26b0dc7dead8febd499b666a54126Peter Major * accompanied this code).
b87033953be26b0dc7dead8febd499b666a54126Peter Major *
b87033953be26b0dc7dead8febd499b666a54126Peter Major * You should have received a copy of the GNU General Public License version
b87033953be26b0dc7dead8febd499b666a54126Peter Major * 2 along with this work; if not, write to the Free Software Foundation,
b87033953be26b0dc7dead8febd499b666a54126Peter Major * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
b87033953be26b0dc7dead8febd499b666a54126Peter Major *
b87033953be26b0dc7dead8febd499b666a54126Peter Major * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
b87033953be26b0dc7dead8febd499b666a54126Peter Major * CA 95054 USA or visit www.sun.com if you need additional information or
b87033953be26b0dc7dead8febd499b666a54126Peter Major * have any questions.
b87033953be26b0dc7dead8febd499b666a54126Peter Major */
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major/*
b87033953be26b0dc7dead8febd499b666a54126Peter Major * @test
b87033953be26b0dc7dead8febd499b666a54126Peter Major * @bug 4984407
b87033953be26b0dc7dead8febd499b666a54126Peter Major * @summary Tests for {Math, StrictMath}.atan2
b87033953be26b0dc7dead8febd499b666a54126Peter Major * @compile -source 1.5 Atan2Tests.java
b87033953be26b0dc7dead8febd499b666a54126Peter Major * @run main Atan2Tests
b87033953be26b0dc7dead8febd499b666a54126Peter Major * @author Joseph D. Darcy
b87033953be26b0dc7dead8febd499b666a54126Peter Major */
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Majorpublic class Atan2Tests {
b87033953be26b0dc7dead8febd499b666a54126Peter Major private Atan2Tests(){}
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major static int testAtan2Case(double input1, double input2, double expected) {
b87033953be26b0dc7dead8febd499b666a54126Peter Major int failures = 0;
a622f6b14edb724c3cdbc8b5836a109d4ac80086Peter Major failures += Tests.test("StrictMath.atan2(double, double)", input1, input2,
a622f6b14edb724c3cdbc8b5836a109d4ac80086Peter Major StrictMath.atan2(input1, input2), expected);
a622f6b14edb724c3cdbc8b5836a109d4ac80086Peter Major failures += Tests.test("Math.atan2(double, double)", input1, input2,
a622f6b14edb724c3cdbc8b5836a109d4ac80086Peter Major Math.atan2(input1, input2), expected);
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major return failures;
957cf19b923352e140dc9a05e2fb16495797888fPeter Major }
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major static int testAtan2() {
b87033953be26b0dc7dead8febd499b666a54126Peter Major int failures = 0;
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major double [][] testCases = {
b87033953be26b0dc7dead8febd499b666a54126Peter Major {-3.0, Double.POSITIVE_INFINITY, -0.0},
b87033953be26b0dc7dead8febd499b666a54126Peter Major };
a622f6b14edb724c3cdbc8b5836a109d4ac80086Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major for (double[] testCase : testCases) {
b87033953be26b0dc7dead8febd499b666a54126Peter Major failures+=testAtan2Case(testCase[0], testCase[1], testCase[2]);
b87033953be26b0dc7dead8febd499b666a54126Peter Major }
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major return failures;
b87033953be26b0dc7dead8febd499b666a54126Peter Major }
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major public static void main(String [] argv) {
b87033953be26b0dc7dead8febd499b666a54126Peter Major int failures = 0;
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major failures += testAtan2();
b87033953be26b0dc7dead8febd499b666a54126Peter Major
b87033953be26b0dc7dead8febd499b666a54126Peter Major if (failures > 0) {
b87033953be26b0dc7dead8febd499b666a54126Peter Major System.err.println("Testing atan2 incurred "
b87033953be26b0dc7dead8febd499b666a54126Peter Major + failures + " failures.");
b87033953be26b0dc7dead8febd499b666a54126Peter Major throw new RuntimeException();
b87033953be26b0dc7dead8febd499b666a54126Peter Major }
b87033953be26b0dc7dead8febd499b666a54126Peter Major }
b87033953be26b0dc7dead8febd499b666a54126Peter Major}
b87033953be26b0dc7dead8febd499b666a54126Peter Major