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Re: Implementation of log(x) for SPARC32
- To: Tzafrir Cohen <tzafrir(at-nospam)technion.ac.il>
- Subject: Re: Implementation of log(x) for SPARC32
- From: Shlomi Fish <shlomif(at-nospam)techst02.technion.ac.il>
- Date: Tue, 25 Dec 2001 14:01:59 +0200 (IST)
- Cc: "Nadav Har'El" <nyh(at-nospam)math.technion.ac.il>, <linux-il(at-nospam)linux.org.il>
- Delivered-To: linux.org.il-linux-il@linux.org.il
- In-Reply-To: <Pine.GSO.4.33_heb2.09.0112251358540.16237-100000@csd>
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
On Tue, 25 Dec 2001, Tzafrir Cohen wrote:
> On Tue, 25 Dec 2001, Shlomi Fish wrote:
>
> > Actually, usually glibc calls the processor's FPU logarithm routine.
>
> What about an i386 without an FPU? (an ancient 386 with no 80387, for
> instance)
>
In that case, I thinks it emulates the FPU unit. Or can detect if it
exists and iff so use it. But I'm sure there's some Assembler code that
uses it in the glibc source as I ripped it.
Regards,
Shlomi Fish
> --
> Tzafrir Cohen
> mailto:tzafrir@technion.ac.il
> http://www.technion.ac.il/~tzafrir
>
----------------------------------------------------------------------
Shlomi Fish shlomif@t2.technion.ac.il
Home Page: http://t2.technion.ac.il/~shlomif/
Home E-mail: shlomif@techie.com
"Let's suppose you have a table with 2^n cups..."
"Wait a second - is n a natural number?"
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