Date: Tue, 8 Oct 2002 18:21:40 +0200 (CEST) From: "Chris J. Mutter" <cjm@s2.enemy.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: alpha/43831: /usr/games/factor calculates wrong when factors > 2^32 Message-ID: <200210081621.g98GLe3N088649@satanii.enemy.org>
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>Number: 43831
>Category: alpha
>Synopsis: /usr/games/factor calculates wrong when factors > 2^32
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-alpha
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 08 09:30:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Chris J. Mutter
>Release: FreeBSD 4.6.1-RELEASE-p10 alpha
>Organization:
Enemy.ORG Productions
>Environment:
System: FreeBSD satanii.enemy.org 4.6.1-RELEASE-p10 FreeBSD 4.6.1-RELEASE-p10 #0: Wed Aug 7 08:04:19 CEST 2002 root@satanii.enemy.org:/usr/obj/usr/src/sys/S2 alpha
>Description:
when using ``factor'' on the alpha platform it gives a wrong result
when someone tries to factor numbers > 4294967295 that contain of
factors that are >= 65539.
$ factor $(echo "65539*65539" | bc -q)
4295360521: 4295360521
^^^^^^^^^^ wrong.
>How-To-Repeat:
$ factor 4295360521
>Fix:
i think its not easy to fix without modifying /usr/src/games/primes/pr_tbl.c
>Release-Note:
>Audit-Trail:
>Unformatted:
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