Raymond Hettinger wrote: > > On Mar 20, 2010, at 6:54 PM, Nick Coghlan wrote: >> >> I suggest a 'linearised' numeric tower that looks like: >> >> int -> Decimal -> Fraction -> float -> complex > > Is that a typo? Shouldn't Decimal and float go between Fraction and > complex? > > The abstract numeric tower is: > > Number Complex Real Rational Integral > > where both Decimal and float have operations associated with reals.
I don't actually mind either way - the pragmatic tower is about coding convenience rather than numeric purity (and mixing Fractions and Decimals in the same algorithm is somewhat nonsensical - they're designed for two completely different problem domains). Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia --------------------------------------------------------------- _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
