From: tlaronde@polynum.com
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Rounding off by one
Date: Mon, 19 Apr 2010 21:28:01 +0200 [thread overview]
Message-ID: <20100419192801.GA4698@polynum.com> (raw)
In-Reply-To: <362242f5ceb5800384e56ddf3135023f@ladd.quanstro.net>
On Mon, Apr 19, 2010 at 03:03:19PM -0400, erik quanstrom wrote:
> On Mon Apr 19 14:57:02 EDT 2010, benavento@gmail.com wrote:
> > check getfcr(2)
> >
> > http://plan9.bell-labs.com/magic/man2html?man=getfcr§=2
> >
> > it's in lib9.h for ape
>
> this doesn't apply to the integer calcuations in question.
Nonetheless, thanks for the tips, guys! but I think I have found:
-7 / 2 yields -3
(symetric of 7 / 2, but no guarante from C for negatives) while:
-7 >> 1 yields -4
(floor, what is wanted by METAFONT).
Uh!
--
Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
http://www.kergis.com/
Key fingerprint = 0FF7 E906 FBAF FE95 FD89 250D 52B1 AE95 6006 F40C
prev parent reply other threads:[~2010-04-19 19:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-19 15:43 tlaronde
2010-04-19 16:11 ` Martin Neubauer
2010-04-19 18:15 ` tlaronde
2010-04-19 18:26 ` tlaronde
2010-04-19 18:55 ` Federico G. Benavento
2010-04-19 19:03 ` erik quanstrom
2010-04-19 19:14 ` Federico G. Benavento
2010-04-19 19:28 ` tlaronde [this message]
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