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FFC - UFL inconsistency

 


Hi,

I found the following when inconsistency when verifying some element tensors.

form = v*u*dx + f*v*dx

UFL rhs(form)

returns f*v*dx

FFC rhs(form)

return -f*v*dx

I think they should return the same thing, the question is what?
What does SyFi return? (if implemented)

Kristian


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