On 5/10/07, mabshoff <[EMAIL PROTECTED]> wrote:
> On May 10, 11:58 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> > The lapack Cygwin package is a prerequisite for using
> > the SAGE binary on Windows.  Do you have it installed?
> >
>
> No, I didn't and after the installation of said package sage starts.
> It seems counterintuititve to me that the Lapack package also provides
> a BLAS, but oh well.

I agree -- it is counterintuitive how that is package for windows -- who knows
why they did that.  Sigh.

>As you might remember I have build SAGE on cygwin
> more than a couple times over the last two weeks and not had that kind
> of problem because otherwise the cblas by GSL is used.

I did some benchmarks once and I think GSL's cblas is *really*
slow compared to Cygwin's lapack, so it's much better to use lapack.

> Anyway, after updating to hg tip all unit tests for DSAGE pass on
> cygwin, which was the original intent of the whole exercise.

Excellent!  That's great news.

William

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