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Bernd Flemisch authored
gridView.comm().sum(), min() and max() routines in sequential runs. These can be avoided if the routines are only called if the number of processes is greater than 1. I know that it would be better to find the real source of the problem, but I did not succeed. If someone finds it, I will be happy to revert this change. git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@7210 2fb0f335-1f38-0410-981e-8018bf24f1b0
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