On Thu, Feb 14, 2019 at 9:24 AM Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote: > cool, got it. have been doing some function-isation (added a > create_z, inf and nan), you want to do "pack" next while i do > normalise_2? doh, i meant normalise_1. normalise_2 looks great.