Figure 1: Problem cases in Michael Bramley's axis finder

                       Orig.  Revised
Data   Data   Scale    Scale  Scale   Scale
min    max    min      min    max     inc
-------------------------------------------
 1e-12  1e-11 0         1e-12  1e-11  1e-12
10     11     9.9      10     11      0.1
 1e30   1e31  1.407e15  1e30   1e31   1e30