[petsc-dev] Issue with Lapack names

[Matthew Knepley]

On Mon, Dec 18, 2017 at 1:24 PM, Jose E. Roman <jroman at dsic.upv.es> wrote:

> > El 18 dic 2017, a las 18:58, Matthew Knepley <knepley at gmail.com>
> escribió:
> >
> > On Mon, Dec 18, 2017 at 12:30 PM, Jose E. Roman <jroman at dsic.upv.es>
> wrote:
> > I find the following definitions in petscconf.h, which are wrong because
> the corresponding subroutines are present.
> >
> > #define PETSC_MISSING_LAPACK_UNGQR 1
> > #define PETSC_MISSING_LAPACK_HETRS 1
> > #define PETSC_MISSING_LAPACK_HETRF 1
> > #define PETSC_MISSING_LAPACK_HETRI 1
> >
> > This did not happen in 3.8, it is due to this change:
> > https://bitbucket.org/petsc/petsc/commits/b8695a4a8c7
> >
> > So now one cannot use PETSC_MISSING_LAPACK_UNGQR to protect a code that
> calls LAPACKungqr_
> >
> > This is related to a message I sent 2 years ago to petsc-maint
> "Inconsistent naming of one Lapack subroutine", where I advocated renaming
> LAPACKungqr_ --> LAPACKorgqr_. But that thread did not end up in any
> modification...
> >
> > I can't find the thread. I also do not understand the problem. Are you
> saying that the check succeeds but the routines is still missing?
>
> No, the opposite. The routines are there, but since configure decided
> (wrongly) that they are missing, the check would fail at run time
> complaining that the routines are missing.
>

Ah. Why does the check fail? It does succeed for a number of them.

  Thanks,

    Matt


> Jose
>
> >
> >   Thanks,
> >
> >      Matt
> >
> >
> > Jose
> > --
> > 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/
>
>


-- 
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.caam.rice.edu/~mk51/>
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