From p.dalgaard at biostat.ku.dk  Thu Sep 22 10:56:58 2005
From: p.dalgaard at biostat.ku.dk (Peter Dalgaard)
Date: 22 Sep 2005 10:56:58 +0200
Subject: [Rd] looks in liblapack.a not liblapack.so
In-Reply-To: <dgpari$a96$1@sea.gmane.org>
References: <mailman.9.1126951201.11292.r-devel@r-project.org>
	<20050917221902.GA10806@stat.umn.edu> <1127119440.3624.5.camel@seurat>
	<x23bo15c13.fsf@turmalin.kubism.ku.dk>
	<1127144443.18426.14.camel@seurat> <dgpari$a96$1@sea.gmane.org>
Message-ID: <x2mzm5lbtx.fsf@turmalin.kubism.ku.dk>

Jos? Matos <jamatos at fc.up.pt> writes:

> Martyn Plummer wrote:
> 
> > Fedora have just split off a separate lapack-devel package containing
> > the static library and the symlink liblapack.so.  (Mandrake/Mandriva has
> > been doing this for some time. I don't know about SuSE).  The up2date
> > service will recognize that it needs to update lapack, but I guess that
> > it won't install lapack-devel, as it doesn't know you need it.
> 
>   You are right.
> 
> > It might have been better to do this in the next release, rather than as
> > an update to FC4, but there you go. Better install lapack-devel
> > manually.
> 
>   lapack belongs to Extras and not to Core. Extras is a rolling release.
> 
>   The change was necessary to allow atlas to compile and interact with
> lapack.
> 
>   atlas is on the queue to Fedora Extras, it is in the review phase now.

Hmm. Doesn't look like it is actually working, though. Install
lapack-devel, configure --with-lapack, and make check dies with

running code in 'base-Ex.R' ...make[4]: *** [base-Ex.Rout] Error 1
make[4]: Leaving directory `/home/pd/r-devel/BUILD/tests/Examples'
make[3]: *** [test-Examples-Base] Error 2
....
[pd at titmouse BUILD]$ tail tests/Examples/base-Ex.Rout.fail
> kappa(x2 <- cbind(x1,2:11))# high! [x2 is singular!]
[1] 8.351867e+16
>
> hilbert <- function(n) { i <- 1:n; 1 / outer(i - 1, i, "+") }
> sv9 <- svd(h9 <- hilbert(9))$ d
> kappa(h9)# pretty high!
[1] 728289254735
> kappa(h9, exact = TRUE) == max(sv9) / min(sv9)
Error in La.svd(x, nu, nv) : BLAS/LAPACK routine 'DGEBRD' gave error code -10
Execution halted

This happens on both x86_64 and x86 installs of FC4.

I have a strong sense of deja vu regarding this error.

-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
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[Rd] looks in liblapack.a not liblapack.so
Peter Dalgaard