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Subject: [OASIS Issue Tracker] Updated: (OFFICE-2018) PERMUTATIONAspecification



     [ http://tools.oasis-open.org/issues/browse/OFFICE-2018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eike Rathke updated OFFICE-2018:
--------------------------------

    Resolution: 
Changed Semantics to:
The result is 1 if Total = 0 and Chosen = 0, otherwise the result is Total^Chosen.


  was:
Summary: Returns the number of permutations for a given number of objects (repetition allowed).
Syntax: PERMUTATIONA( Integer total ; Integer chosen )
Returns: Number
Constraints: total >= 0, chosen >= 0
Semantics:  PERMUTATIONA = 0 if total = 0 and chosen = 0. It is total^chosen otherwise 


Since Chosen is the number of objects selected from the Total number of objects, I fail to see how the constraint  0 <= Chosen <= Total should not apply and be Chosen >= 0 instead.


> PERMUTATIONA specification
> --------------------------
>
>                 Key: OFFICE-2018
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-2018
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: OpenFormula
>    Affects Versions: ODF 1.2
>            Reporter: Andreas Guelzow 
>            Assignee: Andreas Guelzow 
>             Fix For: ODF 1.2
>
>
> We currently have:
> ---------------------------------------------------------------------------------------
> Summary: Returns the number of permutations for a given number of objects (repetition allowed).
> Syntax: PERMUTATIONA( Integer total ; Integer chosen )
> Returns: Number
> Constraints: total >= 0, 0 <= chosen <= total
> Semantics: Given total number of objects, return the number of permutations containing chosen
> number of objects, with repetition permitted.
>  PERMUTATIONA = Total^Chosen
> ---------------------------------------------------------------------------------------
> It is not clear what PERMUTAIONA(0,0) should be since 0^0 is undefined.

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