unofficial mirror of guile-devel@gnu.org 
 help / color / mirror / Atom feed
From: Mikael Djurfeldt <mdj@mit.edu>
Cc: djurfeldt@nada.kth.se
Subject: Re: The new class fraction
Date: Tue, 25 Nov 2003 16:46:18 -0500	[thread overview]
Message-ID: <xy7ptfg6s0l.fsf@chunk.mit.edu> (raw)
In-Reply-To: <E1AOkf3-0001rK-14@chunk> (Mikael Djurfeldt's message of "Tue, 25 Nov 2003 16:23:53 -0500")

Mikael Djurfeldt <mdj@mit.edu> writes:

> 2003-11-18  Marius Vollmer  <marius.vollmer@uni-dortmund.de>
>
> 	* objects.c (scm_class_fraction): New. 
>
> It is great to have rational numbers in Guile's number tower.
>
> However, why have you chosen the type name "fraction" rather than
> "rational" as is the name used in for example Common Lisp?
>
> I suggest quickly changing the name to <rational> before <fraction>
> sticks.

Hmm... on second consideration.  Probably we should keep <fraction> as
the concrete class representing fractions and introduce the abstract
class <rational>, with subclasses <integer> and <fraction> so that
membership of class <rational> is equivalent to the result of a call
to the predicate rational?.

M


_______________________________________________
Guile-devel mailing list
Guile-devel@gnu.org
http://mail.gnu.org/mailman/listinfo/guile-devel


  reply	other threads:[~2003-11-25 21:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-25 21:23 The new class fraction Mikael Djurfeldt
2003-11-25 21:46 ` Mikael Djurfeldt [this message]
2003-11-26 10:38   ` Matthias Koeppe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/guile/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=xy7ptfg6s0l.fsf@chunk.mit.edu \
    --to=mdj@mit.edu \
    --cc=djurfeldt@nada.kth.se \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).