On 3/3/19 12:27 PM, Jean Ragusa wrote:
>
> As Wolfgang stated, copying the vector that contains ghosted values (relevant
> dofs) into a completely distributed vector allows you to use l2_norm() on
> it.What I didn't realize is that the l2_norm() on a distributed vector calls
> the MPI_Allreduce behind the scene and thus no additional action is needed
> when writing your own code.
That is correct. If you think this is not obvious in the documentation, can
you point out where you looked? It's something easily fixed. (Want to write
your first pull request? ;-) )
Cheers
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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