From: Kevin Ryde <user42@zip.com.au>
Cc: guile-devel@gnu.org, Marius Vollmer <mvo@zagadka.de>
Subject: Re: ratio implementation
Date: Wed, 15 Oct 2003 09:01:02 +1000 [thread overview]
Message-ID: <87n0c3zaoh.fsf@zip.com.au> (raw)
In-Reply-To: <3F8A853D.1020708@ccrma> (Bill Schottstaedt's message of "Mon, 13 Oct 2003 03:58:05 -0700")
Bill Schottstaedt <bil@ccrma.Stanford.EDU> writes:
>
> "Formally, the function returns an integer equivalent to\n"
> "@code{(inexact->exact (floor (* @var{n} (expt 2 @var{cnt}))))}.\n"
I think I removed words like that from manual, on the basis that they
weren't as clear as they could be.
> guile> (ash .1 2)
> 0.4
I guess that's only a side effect of using scm_product. It really
shouldn't be doing that of course, it ought to be bit shifting not
multiplying.
No doubt ash could work on flonums in a sensible way, but maybe
there's no particular need for that, if other bitwise logical
functions (ie. everything under "Bitwise Operations" in the manual)
only take integers.
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next prev parent reply other threads:[~2003-10-14 23:01 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
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 [this message]
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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