dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Robert Kirby wrote:
> It probably should be added in dolfin/ufc.  Sometimes we want to play 
> around with things that aren't supported by ffc yet.  Having a 
> full-featured c++ library (and python bindings) would help.  An example
> would be Berstein polynomials, which use a different evaluation method 
> than in ffc/fiat.  Another example is the transformation business I'm 
> working that needs cell jacobians and other geometric information.  I'd 
> like to look at hand-done implementations using the dolfin library 
> (preferably PyDolfin) to make sure stuff works before going through the 
> labor of teaching ffc how to do it.

I agree. This was the motivation for having FFC generate functions for 
evaluating basis functions, but obviously there's much more that's needed.

This should be added to https://blueprints.launchpad.net/dolfin

Garth


> Rob
>
> On Wed, Sep 23, 2009 at 5:45 PM, Garth N. Wells <gnw20@xxxxxxxxx 
> <mailto:gnw20@xxxxxxxxx>> wrote:
>
>
>
>     Robert Kirby wrote:
>
>         Is there a method for getting the Jacobian of a mapping to a
>         reference cell in dolfin, or is this always generated by ffc?
>
>
>     It's generated by FFC. Could be a suggestion for an addition to UFC.
>
>     Garth
>
>
>
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