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Re: make check failure on opteron (CVS version)

From: Brian Gough <bjg at network-theory dot co dot uk>
To: Giulio Bottazzi <bottazzi at sssup dot it>
Cc: gsl-discuss at sources dot redhat dot com
Date: Fri, 22 Oct 2004 16:30:59 +0100
Subject: Re: make check failure on opteron (CVS version)
References: <20041018113916.79de86e0.giulio.bottazzi@libero.it><16755.61535.106001.461520@network-theory.co.uk><20041018222520.61e6c6de.bottazzi@sssup.it>

Giulio Bottazzi writes:
 > It seems you are right. There are four FAILed tests and these are the
 > relevant pieces of output from make check
 > 
 > ..
 > PASS:   LQ_solve hilbert(2)
 > PASS:   LQ_solve hilbert(3)
 >   4[0]:   -63.9999999999698304                      -64
 > FAIL:   LQ_solve hilbert(4)
 > PASS:   LQ_solve hilbert(12)

It's surprising that this fails, since the LQ algorithm should just be
the tranpose of the QR algorithm.

For reference, what version of gcc and compilation options are you
using?

-- 
Brian Gough

References:
- make check failure on opteron (CVS version)
  - From: Giulio Bottazzi
- Re: make check failure on opteron (CVS version)
  - From: Brian Gough

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