From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,c42dbf68f5320193
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2002-04-30 08:05:22 PST
Path: 
 archiver1.google.com!news2.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!cpk-news-hub1.bbnplanet.com!news.gtei.net!nntp.abs.net!uunet!dca.uu.net!nyc.uu.net!ash.uu.net!spool0901.news.uu.net!spool0900.news.uu.net!reader0902.news.uu.net!not-for-mail
Message-ID: <3CCEB2E0.7050701@mail.com>
Date: Tue, 30 Apr 2002 11:06:08 -0400
From: Hyman Rosen <hyrosen@mail.com>
User-Agent: Mozilla/5.0 (Windows; U; WinNT4.0; en-US;
 rv:1.0rc1) Gecko/20020417
X-Accept-Language: en-us, en
MIME-Version: 1.0
Newsgroups: comp.lang.ada
Subject: Re: Generation of permutations
References: <aajce7$7jb$1@snipp.uninett.no>
 <4519e058.0204300552.15317df9@posting.google.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Organization: KBC Financial Products
Cache-Post-Path: master.nyc.kbcfp.com!unknown@mosquito.nyc.kbcfp.com
X-Cache: nntpcache 2.3.3 (see http://www.nntpcache.org/)
NNTP-Posting-Host: 204.253.250.10
X-Trace: 1020179120 reader2.ash.ops.us.uu.net 4483 204.253.250.10
Xref: archiver1.google.com comp.lang.ada:23275
Date: 2002-04-30T11:06:08-04:00
List-Id: <comp.lang.ada>

Ted Dennison wrote:
> Reinert Korsnes <reinert.korsnes@chello.no> wrote in message news:<aajce7$7jb$1@snipp.uninett.no>...
> 
>>Are there any good (Ada95) packages for generation of permutations 
>>(of elements in array) ?
> 
> Sadly, that doesn't come up much...outside of homework assignments. ;-)
> Are you writing a bogosort?

Whether or not it comes up much, in fact the algorithms
next_permutation and prev_permutation are part of the C++
standard library. You can find them online in
<http://www.sgi.com/tech/stl/stl_algo.h>. It should not
be too difficult for the OP to translate them to Ada.