From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?UTF-8?Q?G=C3=B6ran?= Weinholt Newsgroups: gmane.lisp.guile.bugs Subject: bug#14916: Fixnum procedures can be made to return non-fixnums Date: Sat, 20 Jul 2013 07:56:21 +0200 Message-ID: <8738r9ai62.fsf@industria.weinholt.se> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Trace: ger.gmane.org 1374300008 26740 80.91.229.3 (20 Jul 2013 06:00:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 20 Jul 2013 06:00:08 +0000 (UTC) To: 14916@debbugs.gnu.org Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Sat Jul 20 08:00:10 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 1V0QDB-0001Ij-Cb for guile-bugs@m.gmane.org; Sat, 20 Jul 2013 08:00:09 +0200 Original-Received: from localhost ([::1]:48863 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0QDB-0002YZ-24 for guile-bugs@m.gmane.org; Sat, 20 Jul 2013 02:00:09 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49929) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0QD7-0002TE-DS for bug-guile@gnu.org; Sat, 20 Jul 2013 02:00:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V0QD6-0001fD-DY for bug-guile@gnu.org; Sat, 20 Jul 2013 02:00:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44527) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0QD6-0001eK-Aq for bug-guile@gnu.org; Sat, 20 Jul 2013 02:00:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V0QD5-0007rm-El for bug-guile@gnu.org; Sat, 20 Jul 2013 02:00:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: =?UTF-8?Q?G=C3=B6ran?= Weinholt Original-Sender: "Debbugs-submit" Resent-CC: bug-guile@gnu.org Resent-Date: Sat, 20 Jul 2013 06:00:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 14916 X-GNU-PR-Package: guile X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-guile@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.137429999430188 (code B ref -1); Sat, 20 Jul 2013 06:00:03 +0000 Original-Received: (at submit) by debbugs.gnu.org; 20 Jul 2013 05:59:54 +0000 Original-Received: from localhost ([127.0.0.1]:38843 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V0QCw-0007qp-C9 for submit@debbugs.gnu.org; Sat, 20 Jul 2013 01:59:54 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:48103) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V0QCt-0007qQ-Rj for submit@debbugs.gnu.org; Sat, 20 Jul 2013 01:59:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V0QCn-0001PL-3b for submit@debbugs.gnu.org; Sat, 20 Jul 2013 01:59:46 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:48182) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0QCm-0001PH-TZ for submit@debbugs.gnu.org; Sat, 20 Jul 2013 01:59:44 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49820) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0QCl-0002ND-HA for bug-guile@gnu.org; Sat, 20 Jul 2013 01:59:44 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V0QCj-0001Ot-C9 for bug-guile@gnu.org; Sat, 20 Jul 2013 01:59:43 -0400 Original-Received: from iustitia.weinholt.se ([2a02:28f0:0:a::7dce:e5a8]:52534) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0QCi-0001OZ-Un for bug-guile@gnu.org; Sat, 20 Jul 2013 01:59:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=weinholt.se; s=iustitia2012; h=Content-Type:MIME-Version:Message-ID:Date:Subject:To:From; bh=H2tJ6TbFO0hnShmnzVgnnxbIdvnzR+NnkazIkQFbXAM=; b=gDlR8T/HQkFYGGEllMGS9aUA264ONoV7ZjFQ/kp3wTsqnuFCSlkfZ6D8L5e0mLOawzBBVUYXMNExm9M6OWkiZ79zS59O/cl3AW/hdsvg5sHCVi4S37H8Pds/IoJiCT85bTjDPimE8Etad4H4LIRx9M4mQGJ/4VhdRr4Wpe7BYLx8f/XUmM9wNUPl16sy1ZmclM/dIjiR1NRE+MfAYgT+9aQpqCDvbnWFw79fKChlXywVig1HzOiyx2Lu+0LCPmaQIoAowdqiZFxvo1oFSiyd/PcmAu1Ooq1ClNRPAk9orq5idYOv7TDF+qqN04aHe3WhbG9EP4IbhkxQDzz9iHhP2Q==; Original-Received: from uucp by iustitia.weinholt.se with local-bsmtp (Exim 4.72) (envelope-from ) id 1V0QCh-0003f4-Cb; Sat, 20 Jul 2013 07:59:39 +0200 Original-Received: from weinholt by industria with local (Exim 4.80) (envelope-from ) id 1V0Q9b-0001Ss-Vv; Sat, 20 Jul 2013 07:56:27 +0200 X-Hashcash: 1:20:130720:bug-guile@gnu.org::S8gXevaA1SnMnU6F:000000000000000000000000000000000000000000002Wxb User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). 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:7241 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello schemers, the fxdiv procedure from (rnrs) fails to check that its result is representable as a fixnum: scheme@(guile-user)> (import (rnrs)) scheme@(guile-user)> (fxdiv (least-fixnum) -1) $1 =3D 2305843009213693952 It should raise an &implementation-restriction. Here are a few other examples of the same problem: scheme@(guile-user)> (fxdiv-and-mod (least-fixnum) -1) $2 =3D 2305843009213693952 $3 =3D 0 scheme@(guile-user)> (fxdiv0 (least-fixnum) -1) $4 =3D 2305843009213693952 scheme@(guile-user)> (fxdiv0-and-mod0 (least-fixnum) -1) $5 =3D 2305843009213693952 $6 =3D 0 scheme@(guile-user)> (fxarithmetic-shift-left (greatest-fixnum) 1) $7 =3D 4611686018427387902 scheme@(guile-user)> (fxarithmetic-shift (greatest-fixnum) 1) $8 =3D 4611686018427387902 Tested with Guile 2.0.9.40-824b-dirty on an amd64 system. Regards, =2D-=20 G=C3=B6ran Weinholt "Detta skall jag visa dig medelst ett stort papper som jag har fyllt med faktiska upplysningar!" -- August Strindberg --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBCgAGBQJR6iaFAAoJEOM+YaLpuMOiZowP/RlkvJ5+Isq/F2A4djgG9Dpm sRSbNgA/BkBNcEJg0+VjtMa0HWK+3er963rBkoMYXsKH5J47tZBC8gEHQuHYw7a7 o3320qkqEsznixShD98Fno2wfPeQpVXdGBp5p7O/0YaTvq1LxQgo7khWdCwb/7v+ xbYVtsm25b9/Ag/XNh2L0uMpJCwNT1nvlFDtYhZ8Z9xsUv+u3JNWG66J3PRBuOGQ oYspe1IYTfmYVK1sfbL16ct8UgHxaQmSMEtPfuV0XL1vl2cGiTyLXZxp7qv7+5BS /evwo0eQ2aemirN/WQbfTCPrFYF6g/z8s6EBK8I2eh3qTvAQcbMQ5d8k2E3o7TAK LFfj+z8FBYx+lAiPfO6RYkbP+i7++9EFqSOc/n/+mpeKzuz9ab/LpIVyNinLIXJ+ 5DYhCmN+Cp2BXOu0rc0ZFbZLcZotq1yFcZhHFzFi7eXqGQsDxs3Tig4GmlxWGGBQ ciHSPSmai1DmxxhsMNkKoZvOI3uRnTGc5Jfu+q2SIvJ/YFv9L3PU9QvXA4tPD8UC OZQ1hxS94EW1D03ZC7P+Xh+vyl5P6+fWAFME2d/+ONmmxNoKS4xAGmiT0h9JpJSo 4YUuE1xmQksWgFpILbCdAYlRctOROUX3MgdkJJhrgHmYLo7kXXNeUQnBi4bRQ+Ex oDh976X5QoyTVnN5PeKH =3XZI -----END PGP SIGNATURE----- --=-=-=--