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[Johan Hake <hake@xxxxxxxxx>]

On Friday 16 October 2009 15:09:03 Anders Logg wrote:
> Here's another problem I just ran into:

You just keep bring it on do you!! ;)

I wonder why I keep thinking:

   unittest, unittest, unittest ...

> class BoundaryValue(Expression):
>     def eval(self, values, x):
>         values[0] = ...
> 
> This works:
> 
>   g = BoundaryValue(V)
> 
> or
> 
>   g = BoundaryValue(V=V)
> 
> But this does not work:
> 
>   g = BoundaryValue(element=element)
> 
> I get this error:
> 
> Exception: Swig director method error. Error detected when calling
> 'Expression.eval_data'
> 
> when calling bc.apply() with the above function as argument (which
> results in a call to eval).

Could you pass a minimal script that reproduce it so I can look into it?

Johan