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From: Martin Str|mberg <ams AT ludd DOT luth DOT se>
Message-Id: <200203031723.g23HN3I04905@mother.ludd.luth.se>
Subject: Re: cygnus libm test
To: djgpp-workers AT delorie DOT com
Date: Sun, 3 Mar 2002 18:23:03 +0100 (MET)
In-Reply-To: <5137-Sun03Mar2002182000+0200-eliz@is.elta.co.il> from "Eli Zaretskii" at Mar 03, 2002 06:20:00 PM
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According to Eli Zaretskii:
> against standard.results.  Does the new compile only add new
> inaccuracies, or does it add some and remove others?

It adds many and removes some.

> > log2 has two in bit 12 and one in bit 0!?
> 
> What results are those?  Are they finite or Inf/NaN?

Bit 12: (-Inf NaN)
Bit 0: (NaN NaN)

> > log2 also has errno wrong-
> 
> What value of errno?  If log2 is documented to produce that value,
> it's okay.

It says:
In log2() using log2_vec.c:146, errno wrong:  0  1
In log2() using log2_vec.c:147, errno wrong:  0  1

> > sqrt has two in bit 0!?
> 
> That's a sign bit?  A NaN, perhaps?  (Our NaN has its sign bit set.)

Yes, (NaN NaN).


Right,

						MartinS