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Paul Wallich  
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 More options Oct 2 2012, 11:17 am
Newsgroups: comp.lang.lisp
From: Paul Wallich <p...@panix.com>
Date: Tue, 02 Oct 2012 11:17:53 -0400
Local: Tues, Oct 2 2012 11:17 am
Subject: Re: bignums in clisp
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On 10/2/12 10:54 AM, Ian Clifton wrote:

> Barry Margolin <bar...@alum.mit.edu> writes:

>> In article <20120928140653....@kylheku.com>,
>>   Kaz Kylheku <k...@kylheku.com> wrote:

>>> They are not "bigger", just more, err, "magnitudinous"!

>>> Bigger means, strictly, occupying more RAM. :)

>> It obviously depends on the context. I'm pretty sure he meant it in the
>> normal, mathematical sense, in which 10 is bigger than 9.

> I suppose it would be possible—not perhaps sensible, but possible—to
> have a Lisp implementation whose bignum type had a length which could
> expand as necessary beyond integer to itself become a bignum of the same
> kind. Such a Lisp could represent any integer, I guess.

Aren't you going to run out of memory long before then? Perhaps there
should be bignums with some kind of sparse-byte or runlength encoding.

paul


 
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