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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MATH-845) Basic number theory features such as primality testing, factorization and prime number generation
Date Sun, 10 Mar 2013 21:11:13 GMT

     [ https://issues.apache.org/jira/browse/MATH-845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luc Maisonobe resolved MATH-845.
--------------------------------

    Resolution: Fixed

Fixed in subversion repository as of r1454920.

Patch applied with a few changes:
* replaced assert by comments
* formatting (spaces, braces, control statements on one line...)
* very long performance tests not committed
* updated tests to Junit 4

As the latest comments suggested it would not be easy to extend this package to long or BigIntegers,
I have left the Primes class as first proposed, without an upper parameterized interface.

Thanks for the suggestion and for the patch!
                
> Basic number theory features such as primality testing, factorization and prime number
generation
> -------------------------------------------------------------------------------------------------
>
>                 Key: MATH-845
>                 URL: https://issues.apache.org/jira/browse/MATH-845
>             Project: Commons Math
>          Issue Type: New Feature
>    Affects Versions: 3.1
>         Environment: ubuntu/java6/intel-i5
>            Reporter: Sebastien Riou
>            Priority: Minor
>              Labels: features
>             Fix For: 3.2
>
>         Attachments: primes-src.zip
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> A set of static methods to perform primality test, factorization and prime number generation.
Currently it is limited to the int data type, extension to long/BigInteger will follow.

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