Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sources.redhat.com/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Date:	Mon, 11 Nov 2002 22:32:23 -0500
From:	Christopher Faylor <cgf AT redhat DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Printf routine incorrectly prints NaN for -Inf
Message-ID:	<20021112033223.GA8423@redhat.com>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<000301c289f9$428771f0$a82ace84 AT research DOT pc DOT ece DOT mcgill DOT ca>
Mime-Version:	1.0
In-Reply-To:	<000301c289f9$428771f0$a82ace84@research.pc.ece.mcgill.ca>
User-Agent:	Mutt/1.5.1i

On Mon, Nov 11, 2002 at 10:11:57PM -0500, Peter Kabal wrote:
>gcc version 3.2 20020818 (prerelease)
>
>printf ("%g", log(0));
>
>This prints "NaN" instead of "-Inf" as it should (and did in the past).
>A check of the bit pattern returned shows that that log(0) returns a bit
>pattern corresponding to "-Inf", but printf prints "NaN" instead.
>
>I am not sure which C library is being used (a bug report to gcc folks
>got the response that newlib is the culprit). However, the compiler
>option -print-libgcc-file-name tells me it is looking for libgcc.a. So I
>am confused as to who to report the bug to.

Perhaps unsurprisingly, the gcc folks are correct.  It's a newlib bug.

The newlib mailing list is newlib at sources dot redhat dot com .

cgf

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -