/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @bug 6539464 * @summary Math.log() produces inconsistent results between successive runs. * * @run main/othervm -Xcomp * -XX:CompileCommand=compileonly,compiler.interpreter.Test6539464::main * compiler.interpreter.Test6539464 */ package compiler.interpreter; public class Test6539464 { static double log_value = 17197; static double log_result = Math.log(log_value); public static void main(String[] args) throws Exception { for (int i = 0; i < 1000000; i++) { double log_result2 = Math.log(log_value); if (log_result2 != log_result) { throw new InternalError("Math.log produces inconsistent results: " + log_result2 + " != " + log_result); } } } }