From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Mark H Weaver Newsgroups: gmane.lisp.guile.bugs Subject: bug#14864: bitwise-arithmetic-shift-right is wrong for large shift amounts Date: Sun, 14 Jul 2013 14:54:24 -0400 Message-ID: <87hafx55wf.fsf@tines.lan> References: <87a9lpdsyw.fsf@industria.weinholt.se> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1373828114 32357 80.91.229.3 (14 Jul 2013 18:55:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 14 Jul 2013 18:55:14 +0000 (UTC) Cc: 14864-done@debbugs.gnu.org To: =?UTF-8?Q?G=C3=B6ran?= Weinholt Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Sun Jul 14 20:55:14 2013 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UyRRx-0005QU-N4 for guile-bugs@m.gmane.org; Sun, 14 Jul 2013 20:55:13 +0200 Original-Received: from localhost ([::1]:57407 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UyRRx-0007n6-EM for guile-bugs@m.gmane.org; Sun, 14 Jul 2013 14:55:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37691) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UyRRt-0007mw-QA for bug-guile@gnu.org; Sun, 14 Jul 2013 14:55:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UyRRr-000190-KL for bug-guile@gnu.org; Sun, 14 Jul 2013 14:55:09 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:59943) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UyRRr-00018n-Fd for bug-guile@gnu.org; Sun, 14 Jul 2013 14:55:07 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1UyRRq-0005by-5q for bug-guile@gnu.org; Sun, 14 Jul 2013 14:55:06 -0400 Resent-From: Mark H Weaver Original-Sender: "Debbugs-submit" Resent-To: bug-guile@gnu.org Resent-Date: Sun, 14 Jul 2013 18:55:04 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 14864 X-GNU-PR-Package: guile X-GNU-PR-Keywords: Mail-Followup-To: 14864@debbugs.gnu.org, mhw@netris.org, goran@weinholt.se Original-Received: via spool by 14864-done@debbugs.gnu.org id=D14864.137382809621546 (code D ref 14864); Sun, 14 Jul 2013 18:55:04 +0000 Original-Received: (at 14864-done) by debbugs.gnu.org; 14 Jul 2013 18:54:56 +0000 Original-Received: from localhost ([127.0.0.1]:54257 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1UyRRe-0005bR-Ow for submit@debbugs.gnu.org; Sun, 14 Jul 2013 14:54:55 -0400 Original-Received: from world.peace.net ([96.39.62.75]:51587 ident=hope0) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1UyRRY-0005b9-Kn for 14864-done@debbugs.gnu.org; Sun, 14 Jul 2013 14:54:49 -0400 Original-Received: from 209-6-120-240.c3-0.arl-ubr1.sbo-arl.ma.cable.rcn.com ([209.6.120.240] helo=tines.lan) by world.peace.net with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1UyRRS-0003uW-6S; Sun, 14 Jul 2013 14:54:42 -0400 In-Reply-To: <87a9lpdsyw.fsf@industria.weinholt.se> ("=?UTF-8?Q?G=C3=B6ran?= Weinholt"'s message of "Sun, 14 Jul 2013 18:08:55 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.bugs:7213 Archived-At: G=C3=B6ran Weinholt writes: > bitwise-arithmetic-shift-right from (rnrs) is wrong for ridiculously > large shift amounts: > > scheme@(guile-user)> (import (rnrs)) > scheme@(guile-user)> (bitwise-arithmetic-shift-right -2 (+ (greatest-fixn= um) 1)) > $1 =3D -2 > > The correct result is -1. Thanks for the report. Now fixed in stable-2.0. http://git.savannah.gnu.org/gitweb/?p=3Dguile.git;a=3Dcommitdiff;h=3D7e8166= f5bdb526c021c826943aaf050134cccc83 Mark