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From S├ębastien Brisard (JIRA) <j...@apache.org>
Subject [jira] [Created] (MATH-655) General framework for iterative algorithms
Date Fri, 02 Sep 2011 01:26:10 GMT
General framework for iterative algorithms
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                 Key: MATH-655
                 URL: https://issues.apache.org/jira/browse/MATH-655
             Project: Commons Math
          Issue Type: New Feature
    Affects Versions: 3.0
            Reporter: S├ębastien Brisard
            Priority: Minor


Following the thread [Monitoring iterative algorithms|http://mail-archives.apache.org/mod_mbox/commons-dev/201108.mbox/%3CCAGRH7HrgcgoBA=jcoKovjiQU=TjpQHnspBkOGNCu7oDdKk=K4w@mail.gmail.com%3E],
here is a first attempt at defining a general enough framework for iterative algorithms at
large. At the moment, the classes provide support for
* maximum number of iterations
* events handling
** initialization event (prior to entering the main loop),
** iteration event (after completion of one iteration),
** termination event (after termination of the main loop).

These classes do not yet provide support for a stopping criterion.
Some points worth to note
* For the time being, the classes are part of the o.a.c.m.linear package.
* For the time being, {{IterativeAlgorithm.incrementIterationCount()}} throws a {{TooManyEvaluationsException}}.
If the proposed new feature is integrated into CM, then a proper {{TooManyIterationsException}}
should be created, from which the former could derive.

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