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One or more new changesets pushed to the primary ufl repository.
A short summary of the last three changesets is included below.

changeset:   851:775efc416a562694cee33254d81dfa451df86081
tag:         tip
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Mon Apr 20 10:28:22 2009 +0200
files:       ufl/algorithms/expand_indices.py ufl/algorithms/forward_ad.py ufl/algorithms/renumbering.py ufl/differentiation.py ufl/indexing.py ufl/tensors.py
description:
Work on making all MultiIndex instances dimension aware.
Some index related fixes in AD.


changeset:   850:4e865247a2d8433663cf196252b1c7cb85272f47
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Sun Apr 19 20:42:24 2009 +0200
files:       sandbox/algorithmtests/fast_expand_indices.py ufl/__init__.py ufl/algorithms/__init__.py ufl/algorithms/expand_indices.py ufl/algorithms/transformations.py ufl/differentiation.py ufl/indexsum.py ufl/tensors.py
description:
Added alternative implementation of expand_indices,
currently called expand_indices2. This should scale better,
but needs some more details before we can replace the old.

Added support for converting numpy arrays to ufl using as_tensor and its friends.


changeset:   849:079d55bfe148d0db3d26b65b10762c5f0e2ac2d8
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Sun Apr 19 18:50:07 2009 +0200
files:       ufl/algorithms/transformations.py
description:
Bugfix in transform_integrands like suggested by Anders,
and bugfix in degree estimation (using apply_transformer was wrong).

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For more details, visit http://www.fenics.org/hg/ufl