From owner-freebsd-bugs@FreeBSD.ORG Fri Feb 26 00:20:04 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D73501065670 for ; Fri, 26 Feb 2010 00:20:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 9720A8FC17 for ; Fri, 26 Feb 2010 00:20:04 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id o1Q0K4gF036899 for ; Fri, 26 Feb 2010 00:20:04 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id o1Q0K4F4036898; Fri, 26 Feb 2010 00:20:04 GMT (envelope-from gnats) Resent-Date: Fri, 26 Feb 2010 00:20:04 GMT Resent-Message-Id: <201002260020.o1Q0K4F4036898@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, "Steven G. Kargl" Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 93A761065687 for ; Fri, 26 Feb 2010 00:14:22 +0000 (UTC) (envelope-from kargl@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.208.78.105]) by mx1.freebsd.org (Postfix) with ESMTP id 739E78FC16 for ; Fri, 26 Feb 2010 00:14:22 +0000 (UTC) Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu [127.0.0.1]) by troutmask.apl.washington.edu (8.14.4/8.14.4) with ESMTP id o1Q0EM6S028398 for ; Thu, 25 Feb 2010 16:14:22 -0800 (PST) (envelope-from kargl@troutmask.apl.washington.edu) Received: (from kargl@localhost) by troutmask.apl.washington.edu (8.14.4/8.14.4/Submit) id o1Q0EMer028397; Thu, 25 Feb 2010 16:14:22 -0800 (PST) (envelope-from kargl) Message-Id: <201002260014.o1Q0EMer028397@troutmask.apl.washington.edu> Date: Thu, 25 Feb 2010 16:14:22 -0800 (PST) From: "Steven G. Kargl" To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: bin/144306: Nasty bug in jn(3) X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: "Steven G. Kargl" List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Feb 2010 00:20:04 -0000 >Number: 144306 >Category: bin >Synopsis: Nasty bug in jn(3) >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Feb 26 00:20:04 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Steven G. Kargl >Release: FreeBSD 9.0-CURRENT amd64 >Organization: APL/UW >Environment: System: FreeBSD troutmask.apl.washington.edu 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r204219M: Mon Feb 22 12:41:49 PST 2010 kargl@troutmask.apl.washington.edu:/usr/obj/usr/src/sys/SPEW amd64 >Description: troutmask:kargl[466] cat testjn.c #include #include int main(void) { double z; int n; z = 2.4048255576957729; for (n = 2; n < 10; n++) printf("%d %e\n", n, jn(n,z)); return (0); } troutmask:kargl[467] cc -o z testjn.c -lm troutmask:kargl[468] ./z 2 4.317548e-01 3 -inf 4 4.069027e-02 5 -inf 6 3.247664e-03 7 -inf 8 7.495602e-05 9 -inf The value of a integer order Bessel function with argument z = 2.4048255576957729 is never -inf. >How-To-Repeat: See above >Fix: >Release-Note: >Audit-Trail: >Unformatted: