On Mon, 23 Jun 2014 17:55:50 -0700, buck wrote: > It used to be that the best way to compare floating point numbers while > disregarding the inherent epsilon was to use `str(x) == str(y)`. It > looks like that workaround doesn't work anymore in 3.4.
What inherent epsilon? Can you explain what you mean? > What's the recommended way to do this now? > >>>> format(.01 + .01 + .01 + .01 + .01 + .01, 'g') == format(.06, 'g') > True That's equivalent to doing an implicit round. If all you want to do is round your calculations, then explicitly round them: py> x = sum([0.01]*6) py> y = 0.06 py> round(x, 12) == round(y, 12) True Not that I'm recommending that you do it this way, but an explicit round is better than using string formatting. See also this: http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/ -- Steven -- https://mail.python.org/mailman/listinfo/python-list
