From: Brian Gough <bjg@network-theory.co.uk>
To: gsl-discuss@sourceware.org
Subject: Re: generalized eigensystems
Date: Wed, 21 Mar 2007 19:38:00 -0000 [thread overview]
Message-ID: <87y7lq5qv3.wl%bjg@network-theory.co.uk> (raw)
In-Reply-To: <20070321180206.GA13688@hippogriff.physics.drexel.edu>
At Wed, 21 Mar 2007 12:02:06 -0600,
Patrick Alken wrote:
> Is this a known issue? I'm trying to use gsl_finite() in testgen
> to better sort the eigenvalues so I can compare them to lapack
> if there are infinities present. Basically I'm getting segfaults
> all over the place whenever I try to access nans/infs in
> double-precision mode.
You can use GSL_IEEE_MODE=double-precision,mask-all to avoid that, or
just call finite() directly.
It does look like the order of the #ifdefs in sys/infnan.c could be
improved there to pick up the right functions though.
--
Brian Gough
next prev parent reply other threads:[~2007-03-21 19:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-13 5:03 Patrick Alken
2007-03-16 15:49 ` Brian Gough
2007-03-20 19:17 ` Patrick Alken
2007-03-20 22:35 ` Leopold Palomo Avellaneda
2007-03-21 0:01 ` Patrick Alken
2007-03-21 7:32 ` Leopold Palomo Avellaneda
2007-03-21 14:47 ` Patrick Alken
2007-03-21 15:02 ` Leopold Palomo-Avellaneda
2007-03-21 10:10 ` Brian Gough
2007-03-21 18:02 ` Patrick Alken
2007-03-21 19:38 ` Brian Gough [this message]
2007-03-21 19:18 ` Patrick Alken
2007-03-30 21:34 ` Patrick Alken
2007-04-03 14:32 ` Brian Gough
2007-04-23 22:15 ` Patrick Alken
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