From: William Park <opengeometry@yahoo.ca>
To: linux-kernel@vger.kernel.org
Subject: Re: Advice saught on math functions
Date: Fri, 12 Jul 2002 12:49:31 -0400 [thread overview]
Message-ID: <20020712164931.GA1830@node1.opengeometry.net> (raw)
In-Reply-To: <20020712162229.GC2348@werewolf.able.es>
On Fri, Jul 12, 2002 at 06:22:29PM +0200, J.A. Magallon wrote:
>
> On 2002.07.12 Alan Cox wrote:
> >> Are these functions which are supplied by the FPU? I've looked
> >> through the fpu emulation headers and exp() is the only one I can find
> >
> >You can't use FPU operations in the x86 kernel.
>
> Are you to worried about precission ? Can't you just do your sin() etc.
> in fixed point ? (and move all your fpdata to fixed point, of course)
Or, you can use polynomial approximations.
--
William Park, Open Geometry Consulting, <opengeometry@yahoo.ca>
8-CPU Cluster, Hosting, NAS, Linux, LaTeX, python, vim, mutt, tin
next prev parent reply other threads:[~2002-07-12 16:46 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-12 14:08 Advice saught on math functions Kirk Reiser
2002-07-12 14:39 ` Alan Cox
2002-07-12 14:52 ` Kirk Reiser
2002-07-12 15:32 ` Alan Cox
2002-07-12 16:04 ` Kirk Reiser
2002-07-12 16:31 ` Alan Cox
2002-07-12 16:21 ` Dave Jones
2002-07-15 9:46 ` Eric W. Biederman
2002-07-16 5:26 ` H. Peter Anvin
2002-07-15 10:03 ` Eric W. Biederman
2002-07-15 14:10 ` Kirk Reiser
2002-07-15 16:38 ` Eric W. Biederman
2002-07-12 15:46 ` Nicolas Pitre
2002-07-12 16:30 ` Kirk Reiser
2002-07-12 17:03 ` Nicolas Pitre
2002-07-12 16:22 ` J.A. Magallon
2002-07-12 16:49 ` William Park [this message]
2002-07-13 14:00 ` Pavel Machek
2002-07-13 17:10 ` Alan Cox
2002-07-12 14:46 ` Richard B. Johnson
2002-07-12 15:42 ` Sandy Harris
2002-07-12 16:46 ` Kirk Reiser
2002-07-14 0:20 ` Erik Andersen
2002-07-14 14:17 ` Sandy Harris
2002-07-14 16:49 ` Albert D. Cahalan
2002-07-14 17:01 ` Thunder from the hill
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