Chris Angelico writes: > On Fri, Jan 9, 2015 at 1:37 AM, Marko Rauhamaa wrote: > > > > True, but that got me thinking: what standard Python math > > operation evaluates to NaN? > > Subtracting infinity from infinity is one easy way. > > >>> 1e309 > inf > >>> 1e309-1e309 > nan
I managed to get inf by arithmetic on finite numbers: >>> 1e300/1e-300 inf >>> o = 1e300/1e-300 ; o-o nan -- https://mail.python.org/mailman/listinfo/python-list