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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:   573:52fcf80d3a85160319dbbaea1200acd9363fb403
tag:         tip
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Fri Feb 13 15:57:29 2009 +0100
files:       demo/clean.sh demo/projection_system.ufl demo/system.ufl scripts/ufl-convert
description:
Updated ufl-convert.


changeset:   572:7b3965cffdd63f65afa544dfeb4103dbcf18b684
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Fri Feb 13 15:12:36 2009 +0100
files:       test/evaluate.py ufl/algebra.py ufl/algorithms/transformations.py ufl/indexed.py ufl/tensoralgebra.py
description:
Further unit tests and bugfixes.


changeset:   571:4bd3d69f02b53e26b1b631d46e5b26577d25b55e
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Fri Feb 13 14:36:03 2009 +0100
files:       test/evaluate.py test/manualtest.py ufl/algorithms/ad.py ufl/geometry.py ufl/indexsum.py
description:
Unit tests and bugfixes for evaluation, for example:

        cell = triangle
        x = cell.x
        I = Identity(cell.d)
        s = (x[i]*x[j])*I[i,j]
        e = s((5,7))
        #v = sum_i sum_j x_i x_j delta_ij = x_0 x_0 + x_1 x_1
        v = 5**2 + 7**2
        self.assertTrue(e == v)

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