[petsc-dev] Enabling single precision for MUMPS and SUPERLU

[Jed Brown]

On Fri, Sep 21, 2012 at 9:55 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>             I understand why you are doing this (since xmumps_c appears in
> multiple places in the code and you don't want the ugly #ifdef at each of
> those places) but essentially you are doing what the mumps people should
> have done, providing a polymorphic interface to their solver. By doing this
> you are making the PETSc--mumps interface less transparent and introducing
> the complexity of additional macros. I think it would be better to use the
> old style we had (where the #ifdef appear each time as needed in the code).


I have mixed feelings about his. We use the top-level macros in the
UMFPACK, CHOLMOD, and even BLAS/Lapack.
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