Date:	Thu, 11 Jan 2001 22:06:41 +0200
From:	"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender:	halo1 AT zahav DOT net DOT il
To:	Morten Welinder <terra AT diku DOT dk>
Message-Id:	<2110-Thu11Jan2001220640+0200-eliz@is.elta.co.il>
X-Mailer:	Emacs 20.6 (via feedmail 8.3.emacs20_6 I) and Blat ver 1.8.6
CC:	djgpp-workers AT delorie DOT com
In-reply-to:	<20010111180416.8986.qmail@tyr.diku.dk> (message from Morten
	Welinder on 11 Jan 2001 18:04:16 -0000)
Subject:	Re: Weird results of log( -1.0 ) with libm.a and without libm.a (fwd)
References:	<Pine DOT SUN DOT 3 DOT 91 DOT 1010111191955 DOT 20014B-100000 AT is> <20010111180416 DOT 8986 DOT qmail AT tyr DOT diku DOT dk>
Reply-To:	djgpp-workers AT delorie DOT com
Errors-To:	nobody AT delorie DOT com
X-Mailing-List:	djgpp-workers AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

> Date: 11 Jan 2001 18:04:16 -0000
> From: Morten Welinder <terra AT diku DOT dk>
> 
> >From Solaris man page (a generally very good source):
> 
>      If x is NaN, NaN is returned.
> 
>      If x is less than 0, -HUGE_VAL or NaN is returned and  errno
>      is set to EDOM.
> 
>      If x is 0, -HUGE_VAL is returned and errno  may  be  set  to
>      ERANGE.

Thanks, Morten.  I suspected this is how most other Unix systems
behave.  libm is very religious in following these conventions.

- Raw text -