From: Han-Wen Nienhuys <hanwen@cs.uu.nl>
Cc: guile-devel@gnu.org
Subject: ratio implementation
Date: Mon, 28 Jul 2003 14:08:38 +0200 [thread overview]
Message-ID: <16165.4678.338504.846345@localhost.localdomain> (raw)
In-Reply-To: <3F250809.9030108@ccrma.stanford.edu>
bil@ccrma.Stanford.EDU writes:
> There is an implementation of ratios for Guile (based on CVS version
> of 27-Jul-03) at ccrma-ftp.stanford.edu:/pub/Lisp/gratio.tar.gz.
> Rather than send a huge diff, I placed the new versions of the changed
> files (all from the libguile directory) in the tarball along with
> *.diff showing the changes. I added numerator, denominator,
> rationalize and ratio?, and at the C level scm_make_ratio and
> scm_i_ratio2real (should it be scm_ratio2dbl?). "ratio?" is needed
> because "rational?" returns #t if passed a real -- there has to be
> some way to distiguish a ratio from a real. An alternative would be to
> make "rational?" rational.
>
> I don't know how the FSF/GPL copyright stuff works, but I did this
> work on my own time, did not look at any other implementation, and
> hereby donate the code to you. I'd be happy to "sign the papers".
Cool!
(If that goes through, then we can scrap our own support for Rational
numbers in LilyPond!)
--
Han-Wen Nienhuys | hanwen@cs.uu.nl | http://www.xs4all.nl/~hanwen
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next prev parent reply other threads:[~2003-07-28 12:08 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-28 11:24 ratio implementation Bill Schottstaedt
2003-07-28 12:08 ` Han-Wen Nienhuys [this message]
2003-07-29 0:41 ` Kevin Ryde
2003-07-29 11:57 ` Bill Schottstaedt
2003-07-30 22:42 ` Kevin Ryde
2003-09-15 10:35 ` Marius Vollmer
2003-09-15 16:19 ` Rob Browning
2003-09-15 22:06 ` Dirk Herrmann
2003-09-15 22:59 ` Kevin Ryde
2003-09-16 11:39 ` Bill Schottstaedt
2003-09-16 21:36 ` Rob Browning
2003-09-18 21:09 ` Dirk Herrmann
2003-10-07 15:26 ` Marius Vollmer
2003-10-13 10:58 ` Bill Schottstaedt
2003-10-14 8:57 ` Marius Vollmer
2004-02-18 14:25 ` fractions.test Bill Schottstaedt
2003-10-14 12:39 ` ratio implementation Marius Vollmer
2003-10-14 22:56 ` Kevin Ryde
2003-10-14 13:03 ` Marius Vollmer
2003-10-14 23:37 ` Kevin Ryde
2003-10-16 11:49 ` Bill Schottstaedt
2003-10-17 10:09 ` Marius Vollmer
2003-10-17 11:47 ` Bill Schottstaedt
2003-10-17 15:04 ` Rob Browning
2003-10-18 0:45 ` Kevin Ryde
2003-10-15 12:57 ` Bill Schottstaedt
2003-10-17 10:20 ` Marius Vollmer
2003-10-17 15:14 ` Rob Browning
2003-10-17 15:42 ` Marius Vollmer
2003-10-14 23:01 ` Kevin Ryde
2003-10-18 0:55 ` ash using shifts (was: ratio implementation) Kevin Ryde
2003-10-07 15:24 ` ratio implementation Marius Vollmer
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