Error when running constrained Problems with MPI

Issue #3 resolved
Fin Bauer created an issue

When I run the example poisson-topology.py or any other problem with constraints in parallel, i.e. like this:

$ mpiexec -n 4 python poisson-topology.py

I get

IndexError: expected same sice of indices and values

which seems to originate in the file la.py and is caused by the line

self.tmpvec.vector()[:] = m

in poisson-topology.py.

When there are only bounds and no constraints this issue does not exist.

I'm using Fenics 1.6 and Dolfin-Adjoint 1.6

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