From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 90684 invoked by alias); 17 Nov 2015 03:30:15 -0000 Mailing-List: contact gsl-discuss-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sourceware.org Received: (qmail 90661 invoked by uid 89); 17 Nov 2015 03:30:14 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.4 required=5.0 tests=BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 X-HELO: BAY004-OMC1S21.hotmail.com Received: from bay004-omc1s21.hotmail.com (HELO BAY004-OMC1S21.hotmail.com) (65.54.190.32) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA256 encrypted) ESMTPS; Tue, 17 Nov 2015 03:30:13 +0000 Received: from BAY176-W26 ([65.54.190.59]) by BAY004-OMC1S21.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 16 Nov 2015 19:30:11 -0800 X-TMN: [7ADSHgI9k9mvLiabkqz7v6TxXZQonKjf] Message-ID: From: Bill Maier To: "gsl-discuss@sourceware.org" Subject: Bug #45925 Date: Tue, 17 Nov 2015 03:30:00 -0000 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-SW-Source: 2015-q4/txt/msg00008.txt.bz2 I've investigated bug #45925 "Incomplete Gamma Functions flipped?" and I be= lieve there is in fact no problem with gsl. The bug author compares the (up= per) incomplete gamma function with the function P(a,x) and correctly notes= that the values disagree. However the comparison should actually be done w= ith the function Q(a,x) rather than P(a,x), and here the values agree. The = definitions for the upper incomplete gamma function and Q(a,x) are containe= d in the gsl reference document under the section on "Incomplete Gamma Func= tions". I recommend that no code changes be made and that this bug be close= d. I've never worked on gsl before and am not sure what I should do to get thi= s bug assigned to me or closed out. Could someone let me know what I need t= o do? -Bill Maier=20=09=09=20=09=20=20=20=09=09=20=20