dolfin team mailing list archive

[Johan Hake <hake@xxxxxxxxx>]

On Friday 19 June 2009 10:19:52 Ola Skavhaug wrote:
> On Fri, Jun 19, 2009 at 10:03 AM, Garth N. Wells<gnw20@xxxxxxxxx> wrote:
> > Ola Skavhaug wrote:
> >> On Fri, Jun 19, 2009 at 9:43 AM, Garth N. Wells<gnw20@xxxxxxxxx> wrote:
> >>> Ola Skavhaug wrote:
> >>>> On Thu, Jun 18, 2009 at 5:01 PM, Garth N. Wells<gnw20@xxxxxxxxx> wrote:
> >>>>> Ola Skavhaug wrote:
> >>>>>> On Thu, Jun 18, 2009 at 4:50 PM, Garth N. Wells<gnw20@xxxxxxxxx>
> >>>>>>
> >>>>>> wrote:
> >>>>>>> When plotting a function from a C++ program using plot(u), I only
> >>>>>>> get a
> >>>>>>> plot of the mesh. When plotting from Python, I get the contour plot
> >>>>>>> as
> >>>>>>> expected. Any ideas what's up?
> >>>>>>
> >>>>>> Not really; will dig into this tomorrow. Do you have a reproducable
> >>>>>> example?
> >>>>>
> >>>>> The Poisson demo.
> >>>>>
> >>>>> Garth
> >>>>
> >>>> Is this still an issue? I have no problems when plotting from c++ with
> >>>> the newest Viper.
> >>>
> >>> No. I fixed it last night. I think it was a problem with templated
> >>> functions
> >>> in File.cpp.
> >>>
> >>> I would be nice if SWIG could do just-in-time compilation to deal with
> >>> for
> >>> templates :).
> >>>
> >>> Garth
> >>
> >> Sure. The big problem is that there are almost no limit to how many
> >> templates that _might_ be instantianted by SWIG.
> >> Hence the %template directive.
> >
> > That's why I say 'just-in-time compilation' so it would be done on
> > demand.
> >
> > Garth
>
> Aha, I see. Perhaps there is a clever way of using Instant for this?
> We would still need to declare the templated types, but then Instant
> could generate the correct instances on demand. What do you think,
> Kent?

I say urk...

This will create one extension module for each instantiated template and I do 
not know if the new instantiated types can be recognized by the original swig 
interface, ie, the main PyDOLFIN interface.

If it ever is possible I think this has to be implemented in swig by someone 
who knows the runtime type recognitions nativley. 

Johan

> Ola
>
> >> Ola
> >>
> >>>> Ola
> >>>>
> >>>>>>> Garth
> >>>>>>> _______________________________________________
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> >>>>>>> DOLFIN-dev@xxxxxxxxxx
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