dgesdd error

Charles R Harris charlesr.harris at gmail.com
Wed Nov 1 23:00:05 CST 2006


On 11/1/06, Charles R Harris <charlesr.harris at gmail.com> wrote:
>
>
>
> On 11/1/06, Fernando Perez <fperez.net at gmail.com> wrote:
> >
> > On 11/1/06, Travis Oliphant <oliphant.travis at ieee.org> wrote:
> > >
> > > Apparently some dgesdd libraries don't actually compute the correct
> > > value for the work-space size if requested.
> > >
> > > This results in an ** ILLEGAL value and program termination from
> > LAPACK.
> > >
> > > I've added code in the latest SVN to that particular wrapper to make
> > > sure the query gives back the minimums at least, but I'd like to see
> > who
> > > else has the problem.
> > >
> > > On my system, doing numpy.linalg.svd on a 25 x 50 array pulled the
> > trigger.
> > >
> > > Anybody else have that problem with their lapack library?
> >
> > Seems fine here:
>
>
> Fine here also: 1.0.1.dev3416
>
> Fedora 6, ATLAS and LAPACK from extras.
>
> Chuck
>

Oh, and 32 bit.
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