/*

 * 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.

 *

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 */

/**

 * @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);

            }

        }

    }

}