Wed, 09 Apr 2014 13:15:21 +0200 hoelzl generalize ln/log_powr; add log_base_powr/pow
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip