xsum                    Exactly rounded sum
xsum_acc                Accumulators: exact sums built in pieces
xsum_cumsum             Exactly rounded cumulative sums
xsum_dot                Exactly rounded dot products and norms
xsum_mean               Exactly rounded mean
xsum_rowsums            Exactly rounded row, column and grouped sums
xsum_weighted_mean      Weighted mean from exact sums
zuexact_info            Information about this build of zuexact
