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[HG UFL] Added check for potential bug:

To: ufl-dev@xxxxxxxxxx
From: ufl@xxxxxxxxxx (UFL)
Date: Wed, 25 Mar 2009 15:31:05 +0100 (CET)
Delivered-to: ufl-dev@xxxxxxxxxx

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

changeset:   763:38b55fcb5258bc6f1e24e48066c4bf7134c7557e
tag:         tip
user:        "Martin Sandve AlnÃ¦s <martinal@xxxxxxxxx>"
date:        Wed Mar 25 15:31:03 2009 +0100
files:       ufl/algorithms/forward_ad.py
description:
Added check for potential bug:
  a = u[i]*v[i] # => IndexSum(..., i), no free indices
  b = a.dx(i) # => SpatialDerivative(IndexSum(..., i), i), free index i
moving the derivative inside the sum would make a
summation over the derivative index which isn't right.


changeset:   762:1af1d4af0935ec75d4bdda0977b1c4f088fd7430
user:        "Martin Sandve AlnÃ¦s <martinal@xxxxxxxxx>"
date:        Wed Mar 25 15:19:08 2009 +0100
files:       ufl/algorithms/forward_ad.py
description:
Disabled warning.


changeset:   761:10a6292499ae3444020bb75d2fba39e1d80cef10
user:        "Martin Sandve AlnÃ¦s <martinal@xxxxxxxxx>"
date:        Wed Mar 25 15:16:29 2009 +0100
files:       setup.py
description:
setup fix

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