[Python-Dev] Re: PEP239 (Rational Numbers) Reference Implementation and new issues (original) (raw)

Christian Tismer tismer@tismer.com
Thu, 03 Oct 2002 12:37:32 -0700

Steve Holden wrote:

[me about normalization]

Next someone will suggest that we store rationals as a sequence of coefficients of the prime factors. This would make primes really easy to recognise (since they'd be a sequence of zeros followed by a one with a single one as denominator).

This makes of course pretty much sense if the only operations you want are multiplication/division which becomes very very cheap, while addition becomes unaffordably expensive :-)

but-it-might-slow-down-other-operations-a-bit-ly y'rs - steve

will-not-suggest-it--tried-all-of-these-decades-ago - chris

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