ufl team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Thu, Oct 30, 2008 at 03:27:19PM +0100, UFL wrote:
> One or more new changesets pushed to the primary ufl repository.
> A short summary of the last three changesets is included below.
> 
> changeset:   384:a6f2d4ed562c5fdb347d809496e8e4b819849294
> tag:         tip
> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> date:        Thu Oct 30 15:27:17 2008 +0100
> files:       ufl/differentiation.py ufl/tensoralgebra.py
> description:
> Automatically converting many of the tensor algebra operations to zero tensors when one of the operands are zero.
> 
> Try
>   cd demo
>   ufl2pdf stiffness_ad.ufl

It's starting to look very good!

-- 
Anders


> 
> changeset:   383:cb3496c2565717a6c44f8e41064efa94f07539f9
> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> date:        Thu Oct 30 15:07:32 2008 +0100
> files:       demo/stiffness_ad.ufl ufl/algorithms/ufl2latex.py ufl/differentiation.py ufl/variable.py
> description:
> Automatically removing some cases of trivially zero derivatives:
> e.g. f.dx(0) where f is a constant terminal object or
> diff(f, v) where f is a terminal other than Variable.
> 
> 
> changeset:   382:fe9dc0a66d4ce317d9dd672bbcc93ce402457c2c
> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> date:        Thu Oct 30 13:17:08 2008 +0100
> files:       ROADMAP ufl/__init__.py ufl/algorithms/__init__.py ufl/algorithms/formtransformations.py ufl/formoperators.py
> description:
> Some renaming, can now type:
>   a = bilinear form
>   astar = adjoint(a)
> 
> ----------------------------------------------------------------------
> For more details, visit http://www.fenics.org/hg/ufl

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