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Re: Using the GNU GMP Library for Bignums in Emacs

From: Richard Stallman
Subject: Re: Using the GNU GMP Library for Bignums in Emacs
Date: Mon, 30 Apr 2018 23:01:19 -0400

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  > Well, although I admit I most often use hexadecimal numbers to represent
  > machine addresses (including on 64-bit addresses, of course), I also use
  > them to represent memory offsets.

I think that implies we need a way to specify for %x to use the proper
width for an address on the machine in use.

  >   I only bring this up because this is
  > a case when a negative hexadecimal number (-#x1000 or -0x1000) is a more
  > useful representation than two's complement.

If it's useful in Emacs, we should support that.  But we may as well take
stock of the need before deciding whether to implement this.

Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)
Skype: No way! See https://stallman.org/skype.html.

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