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[<piiitrzs@seznam.cz>]

Dear Abinit users,
I find that the residual potential is: Vres=Vin-Vout.
When I use convergence criterion tolvrs, it means that I require:
alpha*sum(Vres)^2<tolvrs? The summing is over all k-points? What is alpha? Is
it reciprocal number of k-points?

Thanks.
Regards
Petr Rehak