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From: "mtk dot manpages at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug math/6784] fmod() inconsistently sets errno on domain error
Date: Thu, 31 Jul 2008 08:47:00 -0000	[thread overview]
Message-ID: <20080731084608.17960.qmail@sourceware.org> (raw)
In-Reply-To: <20080730122926.6784.mtk.manpages@gmail.com>


------- Additional Comments From mtk dot manpages at gmail dot com  2008-07-31 08:46 -------
Created an attachment (id=2849)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2849&action=view)
test program

See also http://sourceware.org/bugzilla/show_bug.cgi?id=6783

sample runs showing problem.  Note that EDOM is set in one case, but not the
other.

$ /tmp/mt_fmod -- inf 1
errno == 0
fetestexcept() says:  FE_INVALID
fmod(inf,1.00000000000000000e+00)=nan
0 FE_INVALID nan

$ /tmp/mt_fmod -- 1 0
errno == EDOM
fetestexcept() says:  FE_INVALID
fmod(1.00000000000000000e+00,0.00000000000000000e+00)=nan
EDOM FE_INVALID nan

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6784

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  reply	other threads:[~2008-07-31  8:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-30 12:30 [Bug math/6784] New: " mtk dot manpages at gmail dot com
2008-07-31  8:47 ` mtk dot manpages at gmail dot com [this message]
2010-09-11 15:47 ` [Bug math/6784] " mtk dot manpages at gmail dot com

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