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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:   376:185d402eadfc09f6d161fb018078e1eed467d6c0
tag:         tip
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Wed Oct 29 11:16:40 2008 +0100
files:       sandbox/basic_form_compiler.py ufl/__init__.py ufl/algebra.py ufl/algorithms/ad.py ufl/algorithms/analysis.py ufl/algorithms/checks.py ufl/algorithms/dependencies.py ufl/algorithms/formtransformations.py ufl/algorithms/indexalgorithms.py ufl/algorithms/printing.py ufl/algorithms/transformations.py ufl/algorithms/traversal.py ufl/algorithms/ufl2latex.py ufl/algorithms/variables.py ufl/base.py ufl/baseoperators.py ufl/classes.py ufl/conditional.py ufl/differentiation.py ufl/indexing.py ufl/integral.py ufl/mathfunctions.py ufl/restriction.py ufl/tensoralgebra.py ufl/tensors.py ufl/variable.py
description:
Renamed UFLObject -> Expr.


changeset:   375:a3719de87e5ab19f55c3d75e7db9606675a5fa99
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Tue Oct 28 15:16:01 2008 +0100
files:       demo/mass_ad.ufl demo/stiffness_ad.ufl ufl/algorithms/ad.py
description:
Added AD demos computing mass and stiffness matrices from energy functionals.


changeset:   374:bdaa2cbe1f9c5c84f27c36e3a913f5f268ef77b2
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Tue Oct 28 13:22:19 2008 +0100
files:       ufl/algorithms/ufl2latex.py ufl/algorithms/variables.py ufl/base.py ufl/baseoperators.py
description:
Made algebraic operators compute float operations
on the fly instead of representing them as Sum etc.
Simplifies some expressions created by algorithms.
Still not sorting operands to discover 2+2 in "2+n+2",
since this has other side effects.

(+ Some minor improvements to latex output.)

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