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Re: Implementation of log(x) for SPARC32
- To: Shlomi Fish <shlomif(at-nospam)techst02.technion.ac.il>
- Subject: Re: Implementation of log(x) for SPARC32
- From: Oleg Goldshmidt <ogoldshmidt(at-nospam)computer.org>
- Date: 25 Dec 2001 21:04:32 +0200
- Cc: linux-il(at-nospam)linux.org.il, "Nadav Har'El" <nyh(at-nospam)math.technion.ac.il>
- Delivered-To: linux.org.il-linux-il@linux.org.il
- In-Reply-To: Shlomi Fish's message of "Tue, 25 Dec 2001 17:54:49 +0200 (IST)"
- Organization: Speaking for myself only.
- Original-Sender: ogoldshmidt@computer.org
- References: <Pine.GSO.4.33.0112251751310.6483-100000@techst02.technion.ac.il>
- Reply-To: linux-il(at-nospam)linux.org.il
- Sender: oleg(at-nospam)data-zoo.com
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
- User-Agent: Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.1 (Cuyahoga Valley)
Shlomi Fish <shlomif@techst02.technion.ac.il> writes:
> On 25 Dec 2001, Oleg Goldshmidt wrote:
>
> > Shlomi Fish <shlomif@techst02.technion.ac.il> writes:
> >
> > > But who is John Galt? Speed is not of the outmost importance in
> > > this case, so I think my implementation is fine.
> >
> > Only you can judge that. It's not only speed - are you sure that
> > whatever approximation you used (I have not looked at your perl code)
> > will not blow up - ever?
> >
>
> Actually, I checked it against the numbers in the range 0 .. 1, which is
> my working range, and I discovered it returns very inaccurate results.
This is the time to get a cuppa, re-read this thread and the one about
the Technion in hackers-il, fire up your favourite editor, and try to
summarize some lessons...
This is not meant as a criticism, Shlomi, nor is it an "I told you
so". Just a friendly advice.
--
Oleg Goldshmidt | ogoldshmidt@NOSPAM.computer.org
"If it ain't broken, it has not got enough features yet."
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