proposed language change to int/int==float (was: PEP0238 lament)

David Eppstein eppstein at ics.uci.edu
Wed Jul 25 22:45:55 CEST 2001


In article <slrn9lu6hc.4ua.wtanksle at dolphin.openprojects.net>,
 wtanksle at dolphin.openprojects.net (William Tanksley) wrote:

> Perhaps the best solution would be to make Python's integers actually be
> the field of integers mod 4294967291 (not too much of a change -- they're
> currently very similar to the integers mod 4294967295).  The best of all
> worlds -- divisions no longer have remainders, and everything's exact
> again.

If you instead used the ring of integers mod 2^32, you could still divide 
by any odd number exactly, without remainders.  Division by even numbers 
would be harder, but everyone optimizes those by replacing them with 
shifts, right?

I think even fewer people would like the results of division in these 
systems, though -- e.g. what is 1/3?

> and-writing-the-log-function-becomes-a-lot-more-fun-ly yr's

For mod 2^32, I think what you want is the 2-adic norm...
-- 
David Eppstein       UC Irvine Dept. of Information & Computer Science
eppstein at ics.uci.edu http://www.ics.uci.edu/~eppstein/



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