[jira] Updated: (MAHOUT-22) Several matrix exceptions are checked exceptions, but should be unchecked

["Karl Wettin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-22?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Wettin updated MAHOUT-22:
------------------------------

    Fix Version/s: 0.1

> Several matrix exceptions are checked exceptions, but should be unchecked
> -------------------------------------------------------------------------
>
>                 Key: MAHOUT-22
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-22
>             Project: Mahout
>          Issue Type: Bug
>            Reporter: Ted Dunning
>            Assignee: Karl Wettin
>            Priority: Minor
>             Fix For: 0.1
>
>         Attachments: MAHOUT-22.patch
>
>
> IndexException and CardinalityException should be unchecked exceptions by analogy to ArrayIndexOutOfBoundsException
> Having them be checked causes lots of try/catches in code that doesn't have a chance of fixing the problem.  It should be understood that these can happen in any matrix manipulation code just like IllegalArgumentException, ArithmeticException or ArrayIndexOutOfBoundsException can happen in any numerical codes. 

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