dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Sun, Nov 20, 2011 at 11:55:43PM +0100, Anders Logg wrote:
> On Sun, Nov 20, 2011 at 11:49:42PM +0100, Marie E. Rognes wrote:
> >
> >
> > On 20. nov. 2011, at 23:31, Anders Logg <logg@xxxxxxxxx> wrote:
> >
> > > Is anyone using the Function constructor that takes a vector as input
> > > argument?
> > >
> > >  Function u(V, x);
> > >
> >
> > Yes.
>
> Does it work? In parallel?
>
> Does it not work to instead use
>
>   x = u.vector()
>
> ?
>
> If you need it, we should keep it but add an error message that it
> doesn't work in parallel, unless it does...

Any more input on this? There are several options:

1. Remove this constructor

2. Throw an error when running in parallel

3. Check that the input vector makes sense

The last one is problematic since I don't see an easy way to perform
the check, other than calling get_local and having it fail.

--
Anders