Tue, 22 Jan 2008 23:07:24 +0100 haftmann added map_split
Tue, 22 Jan 2008 23:07:21 +0100 haftmann added class semiring_div
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip