Mercurial > hg > truffle
comparison test/compiler/6539464/Test.java @ 706:819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
Reviewed-by: kvn
author | never |
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date | Mon, 06 Apr 2009 11:53:17 -0700 |
parents | |
children | c18cbe5936b8 |
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705:1f2abec69714 | 706:819880572f09 |
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1 /* | |
2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 */ | |
23 | |
24 /** | |
25 * @test | |
26 * @bug 6539464 | |
27 * @summary Math.log() produces inconsistent results between successive runs. | |
28 * | |
29 * @run main/othervm -Xcomp -XX:CompileOnly=Test.main Test | |
30 */ | |
31 | |
32 public class Test { | |
33 static double log_value = 17197; | |
34 static double log_result = Math.log(log_value); | |
35 | |
36 public static void main(String[] args) throws Exception { | |
37 for (int i = 0; i < 1000000; i++) { | |
38 double log_result2 = Math.log(log_value); | |
39 if (log_result2 != log_result) { | |
40 throw new InternalError("Math.log produces inconsistent results: " + log_result2 + " != " + log_result); | |
41 } | |
42 } | |
43 } | |
44 } |