Thu, 05 Mar 2009 15:25:35 +0100 wenzelm TableFun.join/merge: optimize the important special case where the tables coincide -- NOTE: this changes both the operational behaviour and the result for non-standard join/eq notion;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip