hotspot/test/compiler/6539464/Test.java
author duke
Wed, 05 Jul 2017 17:50:24 +0200
changeset 10400 c4f9ea1ecb55
parent 5547 f4b087cbb361
permissions -rw-r--r--
Merge
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/*
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 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @bug 6539464
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 * @summary Math.log() produces inconsistent results between successive runs.
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 *
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 * @run main/othervm -Xcomp -XX:CompileOnly=Test.main Test
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 */
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public class Test {
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    static double log_value = 17197;
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    static double log_result = Math.log(log_value);
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    public static void main(String[] args) throws Exception {
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        for (int i = 0; i < 1000000; i++) {
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            double log_result2 = Math.log(log_value);
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            if (log_result2 != log_result) {
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                throw new InternalError("Math.log produces inconsistent results: " + log_result2 + " != " + log_result);
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            }
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        }
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    }
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}