On 11/27/22 22:16, 'yy.wayne' via deal.II User Group wrote:
There bug do not come from mesh, but FESystem. For
tests/multigrid/renumbering_06.cc, if line 90 the finite element is changed to
2 components, we get same error.
I can reproduce this now. I don't know whether that function has ever been
tested for parallel programs with more than one finite element component. You
are using it to renumber the multigrid level DoFs, but that is not common for
multigrid. What is the reason why you are renumbering level DoFs? Do you
actually need the function call?
> I was debugging in debug mode. Just changed make to release mode and the
> error gone! Why running in debug mode causes this error?
The error is always there, but it is only checked in debug mode. If your
program does not run in debug mode, you shouldn't run it in release mode --
nothing you compute this way should be considered reliable.
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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