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Re: Using the GNU GMP Library for Bignums in Emacs


From: Helmut Eller
Subject: Re: Using the GNU GMP Library for Bignums in Emacs
Date: Wed, 11 Jul 2018 07:59:01 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

On Tue, Jul 10 2018, Stefan Monnier wrote:

>> Speak for yourself.  I certainly don't want goto-char or aref to work on
>> bignums.  I bed 200 dollars that Emacs will not support buffer sizes or
>> array lengths beyond most-positive-fixnum within the next year.
>
> bignums don't make much sense for array sizes and indices, indeed
> (except maybe for boolean-vectors), but for buffer sizes they would
> allow buffers >512MB (tho still <4GB or likely even <2GB) on 32bit
> systems without having to pay for the --wide-int tax.

We'll see if somebody spends his time on this.  It seems like a waste of
time to me, now as 64 bit systems are so common.

Helmut




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