Date: Sat, 15 Feb 2003 09:20:59 +1030 From: Greg Lewis <glewis@eyesbeyond.com> To: Huang wen hui <hwh@gddsn.org.cn> Cc: java@FreeBSD.ORG Subject: Re: Math.pow bug for jdk1.3.1-p8 ? Message-ID: <20030215092059.A8186@misty.eyesbeyond.com> In-Reply-To: <3E4C9DDD.4040204@gddsn.org.cn>; from hwh@gddsn.org.cn on Fri, Feb 14, 2003 at 03:42:21PM %2B0800 References: <3E4C9DDD.4040204@gddsn.org.cn>
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On Fri, Feb 14, 2003 at 03:42:21PM +0800, Huang wen hui wrote:
> hi,
> I build jdk1.3.1-p8 for 4.7-STABLE(today), Math.pow return wrong value
> if using the following example:
>
>
> public class TestPow {
> public static void main(String[] args) {
> int exp =9;
> int i = (int)Math.pow(2.0,(double)exp);
> System.out.println("i="+i);
> }
> }
>
> ----------output------------
> %java TestPow
> i=0
I can't reproduce this problem:
> /usr/local/jdk1.3.1/bin/java TestPow
i=512
(which looks right to me :).
The only difference is that I am using 4.7-p3, not -STABLE. I will test
a more recent 4.7 when I am able.
When you say this worked with 1.3.1p7, were you also using a very recent
-STABLE? Are you using green threads and classic, i.e. what is the output
of java-version?
> /usr/local/jdk1.3.1/bin/java -version
java version "1.3.1-p8"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1-p8-glewis-030211-14:01)
Classic VM (build 1.3.1-p8-glewis-030211-14:01, green threads, nojit)
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
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