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Re: bignum support + calc + GNU Emacs

From: Jose E. Marchesi
Subject: Re: bignum support + calc + GNU Emacs
Date: Mon, 21 May 2007 19:57:28 +0200

    > In order to generate the uuids the program should manipulate 60-bit
    > unsigned integers. The question is, for a program/library supposed to
    > work in GNU Emacs, would it be considered good practice to use
    > (require) calc's lisp implementation of bignums, considering uuid.el
    > is intended to be a quite generic library?
    It sounds OK to me.

Ok. The `math-*' interface implemented by calc is enough to fit
uuid.el needs.
    > I think would be quite good to have some "standarized" way to use
    > bignum/bigfloats in Emacs. I like the calc way to manage the issue in
    > pure lisp, but to make the garbage collector to work with libgmp would
    > be great too (i think XEmacs already has support for libgmp).
    Gerd Moellman had written some preliminary code to add libgmp support to
    Emacs, but it didn't generate much discussion or interest.
    You can take a look at the "gerd_big" branch in CVS (or is it the
    "gerd_int" branch, maybe?).

Thanks for the info! I am downloading the branch right now (it seems
to be `gerd_big', by the way :) )

Jose E. Marchesi    <address@hidden>

GNU Project         http://www.gnu.org
GNU Spain           http://es.gnu.org

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