[petsc-users] SLEPc: HDF5 support for SVD/EPSValuesView?

[Matthew Knepley]

On Fri, Jun 4, 2021 at 9:31 AM Jose E. Roman <jroman at dsic.upv.es> wrote:

> I could try and adapt the HDF5 code in PETSc for this, but I am no HDF5
> expert. Furthermore I am busy at the moment, so it is faster if you could
> prepare a merge request with this addition.
>

I think the easiest thing is to wrap a Vec around the values and just
VecView() it into the same HDF5 file.

  THanks,

    Matt


> Jose
>
>
> > El 4 jun 2021, a las 13:10, Peder Jørgensgaard Olesen via petsc-users <
> petsc-users at mcs.anl.gov> escribió:
> >
> > Hello
> >
> > In SLEPc one may write singular vectors to an HDF5 file using
> SVDVectorsView(), but a similar option doesn't seem to work for singular
> values using SVDValuesView(). The values are viewed correctly using other
> viewers, but nothing is seemingly produced when using an HDF5 viewer.
> Looking at the source code seems to confirm this, and suggests that there
> is a similar situation with EPS.
> >
> > Is this correct, and if so, might there be plans to include such
> functionality in future releases?
> >
> > Med venlig hilsen / Best Regards
> >
> > Peder Jørgensgaard Olesen
> > PhD Student, Turbulence Research Lab
> > Dept. of Mechanical Engineering
> > Technical University of Denmark
> > Koppels Allé
> > Bygning 403, Rum 105
> > DK-2800 Kgs. Lyngby
>
>

-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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