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Re: Problems in pcp test cases 252, 261, 280 on United Linux 1.0

To: "Zhang, Sonic" <sonic.zhang@xxxxxxxxx>
Subject: Re: Problems in pcp test cases 252, 261, 280 on United Linux 1.0
From: Ken McDonell <kenmcd@xxxxxxxxxxxxxxxxx>
Date: Wed, 19 Feb 2003 15:48:16 +1100
Cc: "PCP (E-mail)" <pcp@xxxxxxxxxxx>
In-reply-to: <957BD1C2BF3CD411B6C500A0C944CA260309BB59@xxxxxxxxxxxxxxxxxxxxx>
Sender: pcp-bounce@xxxxxxxxxxx
On Wed, 19 Feb 2003, Zhang, Sonic wrote:

> Hi,
>
>       I tried the pcp test suite v1.1 on United Linux and got some
> failures in case 252, 261, 280.

Further to my earlier answer, 261 was exposing a double-precision
arithmetic instability in the calculation of the number of samples to
report in pmval ... the answer was 9 for some versions of gcc on ia32
and ia64 and all IRIX C compilers, and 8 for some versions of gcc in
ia32.

The attached 261 fixes this.

Attachment: 261
Description: 261

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