Links to bugzilla for submitting patches can easily be gotten to from the developers info page in the math project

http://jakarta.apache.org/commons/math/developers.html

It has the following link for submitting to the math project

http://nagoya.apache.org/bugzilla/enter_bug.cgi?reporter=&product=Commons&version=unspecified&component=Math&rep_platform=All&op_sys=All&priority=Other&bug_severity=normal&bug_status=NEW&assigned_to=&cc=&bug_file_loc=http%3A%2F%2F&short_desc=%5Bbug+report%5D+%22Your+subject+heading+here%22&comment=Please+review+the+bug+writing+guidelines+and+supply+as+much+detail+as+possible%0D%0Ato+allow+us+to+diagnose+and+correct+the+existing+issue.+Please+search+the+bug%0D%0Adatabase+to+determine+if+the+bug+has+possibly+been+addressed+in+the+past.&maketemplate=Remember+values+as+bookmarkable+template&form_name=enter_bug

-Mark

[EMAIL PROTECTED] wrote:

Marcin,

Thanks for your contribution.  The easiest, and most reliable way, to
make a contribution is to create a issue via Bugzilla.

When you're down making your changes, you can enter a bug via
http://nagoya.apache.org/bugzilla/enter_bug.cgi?product=Commons. First you'll need to create the issue (be sure to select Math in the
component dropdown) and then you need to attach files separately.


A zip archive of you new files will suffice for an attachment.

Thanks again,

P.S. Have you seen:
Tucker, Allen.  Applied Combinatorics.  3rd Ed.  1994
It contains a few algorithms for the same problem.

On Wed, 10 Dec 2003 10:22:07 -0500, "Mark R. Diggory" wrote:


Good idea,

I think we could look into initially adding it in the experimental section. We should review the commons collections capabilities and

see


if there are pre-existing Iterators or Decorators that this could utilize to improve its performance.

-Mark

Marcin Jekot wrote:

Hi,
 sorry for not posting this to the mailing list, but I am not
subscribed to the commons mailing list (is it high volume?).

I have a class which allows you to do combinatorics (permutations

and


combinations) using java collections framework. So you pass in a

List of


objects, and you get back a List of Lists, of all the possible
combinations or permutations.

I have not even looked at all the available functionality in your

source


tree, but looking at the api docs I couldn't find anything similar.

Is


this something you'd be interested in?

I could refactor the code to fit your package structure, and send

it


to

you including JUnit tests. It's not fast (uses recursive method

calls)


but it's a start at least, which adds the functionality for

starters,


and can always be re-implemented better later on.

Look forward to hearing from you.

Regards
-Marcin Jekot


-- Mark Diggory Software Developer Harvard MIT Data Center http://osprey.hmdc.harvard.edu

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Brent Worden
http://www.brent.worden.org/

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-- Mark Diggory Software Developer Harvard MIT Data Center http://osprey.hmdc.harvard.edu

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