[Rd] xerbla called from BLAS routine (PR#8100)

[ripley@stats.ox.ac.uk]

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I don't believe your message actually came from R's XERBLA.  Note that the=
=20
name is not quoted and that the name of the routine is not 6 characters=20
long.

Here is a genuine example from R:

Error in La.svd(x, nu, nv) : LAPACK routine 'DGEBRD' gave error code -10

There is no R 2.2.0, BTW.  If referring to R-devel, please do so with an=20
SVN revision.

On Sun, 28 Aug 2005 gb at stat.umu.se wrote:

> Full_Name: G=F6ran Brostr=F6m
> Version: R-2.1.1, 2.2.0
> OS: Debian unstable
> Submission from: (NULL) (213.65.9.59)
>
>
> Some BLAS routines call xerbla for error messages, which results in a mes=
sage
> like
> "LAPACK routine DGER gave error code -9".
>
> Suggested solution: In
>
> void F77_NAME(xerbla)(char *srname, int *info)
> {
>   /* srname is not null-terminated.  It should be 6 characters. */
>    char buf[7];
>    strncpy(buf, srname, 6);
>    buf[6] =3D '\0';
>    error(_("LAPACK routine '%6s' gave error code %d"), buf, -(*info));
> }
>
> change 'LAPACK' to 'The' (or 'The BLAS/LAPACK').
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
>

--=20
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595
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