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Subject: [OASIS Issue Tracker] Updated: (OFFICE-1191) Public Comment: [ODFF]SERIESSUM needs a rule for x=0

     [ http://tools.oasis-open.org/issues/browse/OFFICE-1191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eike Rathke updated OFFICE-1191:

Add to Constraints:
X <> 0 if any of the exponents, which are generated from N and M, are negative.

Add to Semantics:
If X=0 and all of the exponents are non-negative, then 0^0 shall be set to 1 and 0^(exponent>0) shall be set to 0.

    Assignee: Eike Rathke  (was: Dennis Hamilton)

Proposal as submitter's.

> Public Comment: [ODFF] SERIESSUM needs a rule for x=0
> -----------------------------------------------------
>                 Key: OFFICE-1191
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-1191
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: OpenFormula
>    Affects Versions: ODF 1.2 Part 2 CD 1
>            Reporter: Robert Weir 
>            Assignee: Eike Rathke
>            Priority: Minor
>             Fix For: ODF 1.2 Part 2 CD 2
> Copied from office-comment list
> Original author: Regina Henschel <rb.henschel@t-online.de> 
> Original date: 2 Jan 2009 19:59:06 -0000
> Original URL: http://lists.oasis-open.org/archives/office-comment/200901/msg00000.html
> Dennis Hamilton, 2010-02-01:
> This public comment notes that the cases for X=0 are problematic if the series specified a negative exponent for any term and also if the exponent 0 arises.
> The current specification does not require or treat the exponents and the interval as integers.  If non-integral values are permitted, there are additional problematic cases.   
> Although 0^0 = 1 is assumed by some practitioners, it is arguable that 0^0 is not mathematically determined.  Since some spreadsheet programs already treat this as an error, it would seem prudent to continue to do so.  

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