[petsc-dev] MatDestroy_MUMPS

[Hong Zhang]

Jed,
Thanks for the suggestion. I'll look into this. Hong

On Thu, May 20, 2010 at 5:23 PM, Jed Brown <jed at 59a2.org> wrote:
> I'm not a fan of invalid frees so I pushed this thing which seems to
> Work for Me.  Could one of you involved in this check if it's correct?
>
>  changeset:   15992:979f106f87fc
>  tag:         tip
>  user:        Jed Brown <jed at 59A2.org>
>  date:        Fri May 21 00:14:23 2010 +0200
>  files:       src/mat/impls/aij/mpi/mumps/mumps.c
>  description:
>  MUMPS: Must use Free2 and Free3 with Malloc2 and Malloc3
>
>
> Instead of this super fragile code (which duplicates both creation logic
> and knowledge of internals of ConvertToTriples_*_*), how about adding a
> member describing how the memory was allocated, or allocate zero space
> for the val member (into a val_allocated member if you need (lu->val) to
> be false).
>
> Jed
>