From: Rob Browning <rlb@defaultvalue.org>
Cc: Marius Vollmer <mvo@zagadka.de>, guile-devel@gnu.org
Subject: Re: ratio implementation
Date: Tue, 16 Sep 2003 16:36:40 -0500 [thread overview]
Message-ID: <87wuc876vr.fsf@raven.i.defaultvalue.org> (raw)
In-Reply-To: <3F66F68B.3070100@ccrma.stanford.edu> (Bill Schottstaedt's message of "Tue, 16 Sep 2003 04:39:55 -0700")
Bill Schottstaedt <bil@ccrma.Stanford.EDU> writes:
> Also, I haven't looked closely at double cells, though I assume
> (from a glance at the scm_t_double stuff) that I can include my
> "reduce" flag as well as the numerator and denominator.
A while back, at Marius' suggestion, I reworked my original gmp bignum
implementation to allocate the mpz_t's using a double cell (which
definitely did help allocation) -- so you might want to check out the
bignum usage in numbers.c for an example. Using a double cell meant I
didn't need to do anything to free the mpz_t memory in gc-card.c
(i.e. I just needed to mpz_clear the mpz_t).
--
Rob Browning
rlb @defaultvalue.org and @debian.org; previously @cs.utexas.edu
GPG starting 2002-11-03 = 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
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next prev parent reply other threads:[~2003-09-16 21:36 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
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 [this message]
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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