From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12128 invoked by alias); 29 Oct 2011 20:17:38 -0000 Received: (qmail 12110 invoked by uid 22791); 29 Oct 2011 20:17:36 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO sourceware.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 29 Oct 2011 20:17:22 +0000 From: "kreckel at ginac dot de" To: glibc-bugs@sources.redhat.com Subject: [Bug math/13305] cacosh(+/-0.5+0.0*i) returns wrong result Date: Sat, 29 Oct 2011 20:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: math X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kreckel at ginac dot de X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: aj at suse dot de X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact glibc-bugs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: glibc-bugs-owner@sourceware.org X-SW-Source: 2011-10/txt/msg00192.txt.bz2 http://sourceware.org/bugzilla/show_bug.cgi?id=13305 --- Comment #1 from Richard B. Kreckel 2011-10-29 20:16:38 UTC --- I just see that in order to correctly account for signed zero, the patch has to be extended. After computing the square root, the condition if (__real__ x < 0.0) should be modified to if (signbit(x)). -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.