Sun, 15 Feb 2009 19:53:20 -0800 replace dec with double-and-decrement function
huffman [Sun, 15 Feb 2009 19:53:20 -0800] rev 29941
replace dec with double-and-decrement function
Mon, 16 Feb 2009 19:11:55 +0100 more default simp rules for sgn
haftmann [Mon, 16 Feb 2009 19:11:55 +0100] rev 29940
more default simp rules for sgn
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip