From owner-svn-src-all@FreeBSD.ORG Tue Feb 2 19:28:01 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BDDB2106566C; Tue, 2 Feb 2010 19:28:01 +0000 (UTC) (envelope-from gavin@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id AE1008FC12; Tue, 2 Feb 2010 19:28:01 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o12JS1Lo054843; Tue, 2 Feb 2010 19:28:01 GMT (envelope-from gavin@svn.freebsd.org) Received: (from gavin@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o12JS1mk054841; Tue, 2 Feb 2010 19:28:01 GMT (envelope-from gavin@svn.freebsd.org) Message-Id: <201002021928.o12JS1mk054841@svn.freebsd.org> From: Gavin Atkinson Date: Tue, 2 Feb 2010 19:28:01 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r203393 - head/lib/libc/gen X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Feb 2010 19:28:01 -0000 Author: gavin Date: Tue Feb 2 19:28:01 2010 New Revision: 203393 URL: http://svn.freebsd.org/changeset/base/203393 Log: The multiplicand a = 0x5deece66d = 25214903917, not 0xfdeece66d. This bug in the man page has gone unnoticed for over 15 years! PR: docs/143461 Submitted by: Jeremy Huddleston jeremyhu apple.com Approved by: ed (mentor, implicit) MFC after: 1 week Modified: head/lib/libc/gen/rand48.3 Modified: head/lib/libc/gen/rand48.3 ============================================================================== --- head/lib/libc/gen/rand48.3 Tue Feb 2 19:19:57 2010 (r203392) +++ head/lib/libc/gen/rand48.3 Tue Feb 2 19:28:01 2010 (r203393) @@ -57,7 +57,7 @@ The particular formula employed is r(n+1) = (a * r(n) + c) mod m where the default values are -for the multiplicand a = 0xfdeece66d = 25214903917 and +for the multiplicand a = 0x5deece66d = 25214903917 and the addend c = 0xb = 11. The modulo is always fixed at m = 2 ** 48. r(n) is called the seed of the random number generator.