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Re: FAIL in make check Linalg/QR_update vander(12)
- To: Justin Hooper <jhooper at uiuc dot edu>
- Subject: Re: FAIL in make check Linalg/QR_update vander(12)
- From: Brian Gough <bjg at network-theory dot co dot uk>
- Date: Thu, 21 Jun 2001 12:51:53 +0100 (BST)
- Cc: <gsl-discuss at sources dot redhat dot com>
- References: <Pine.GSO.4.31.0106201508350.7100-100000@ux12.cso.uiuc.edu>
- Reply-To: gsl-discuss at sources dot redhat dot com
Justin Hooper writes:
> Make check gives me the following failure on redhat-6.1:
>
> PASS: QR_update vander(4)
> ( 12, 12)[0,0]: 0.768572903784220163 0.768650834596433574
> FAIL: QR_update vander(12)
> FAIL: QR Rank-1 Update
>
Thanks for reporting it. The result was just over the test tolerance,
so I've increased the limit slightly.
> This isn't particularly a routine I'm looking to use right now, but since
> nobody else has mentioned it I was wondering if there were standard places
> to look for problems (e.g. gcc version, etc..)
Two files in the distribution, KNOW-PROBLEMS and MACHINES (for machine
specific info). In this case we hadn't seen this problem before
though.