Luc,

I think we should wait for this issue to be solved before publishing
2.1. It is currently targeted at 2.2 but I would vote to solve it
earlier. It is really a big drawback of the current implementation. Not
being able to decompose identity is rather sad ...

I agree.

This would be a nice improvement and would probably be useful for other
linear algebra algorithms later on. The rationale for the current
implementation was to avoid copying data back and forth between a low
level elementary Householder class called n times and a high level
transformer like bi-diagonal or tri-diagonal transformer. If we can find
a way to have an elementary transform  processing in-place the array
provided to it by the  high level transformer, this would be fine.

Perhaps this could wait for 2.2 or 3.0.

Yes.  It would be an improvement of the code from a developer perspec-
tive only.  No rush!

Regards,
 Dim.
----------------------------------------------------------------------------
Dimitri Pourbaix                         *
Institut d'Astronomie et d'Astrophysique *      Don't worry, be happy
CP 226, office 2.N4.211, building NO     *         and CARPE DIEM.
Universite Libre de Bruxelles            *
Boulevard du Triomphe                    *      Tel : +32-2-650.35.71
 B-1050 Bruxelles                        *      Fax : +32-2-650.42.26
http://sb9.astro.ulb.ac.be/~pourbaix     * mailto:pourb...@astro.ulb.ac.be

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