[jira] Updated: (MATH-379) Multidimensional counter

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

     [ https://issues.apache.org/jira/browse/MATH-379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles updated MATH-379:
------------------------

    Attachment: MultidimensionalCounter.java

Here is the implementation.
Any objections?


> Multidimensional counter
> ------------------------
>
>                 Key: MATH-379
>                 URL: https://issues.apache.org/jira/browse/MATH-379
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Minor
>         Attachments: MultidimensionalCounter.java
>
>
> Utility that converts from indices in a multidimensional structure to the corresponding index in a one-dimensional array.
> E.g. assuming that the ranges (in 3D) of indices are {2, 4, 3}, we'll have that
>   (0, 0, 0) corresponds to 0
>   (0, 0, 1) corresponds to 1
>     ...
>   (1, 0, 0) corresponds to 12
>     ...
>   (1, 3, 2) corresponds to 23
> I propose to add this class in the "util" package.

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