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Subject: [OASIS Issue Tracker] Commented: (OFFICE-3378) 19.367number:truncate-on-overflow - meaning of modulo? - not well-defined? - seedescription

    [ http://tools.oasis-open.org/issues/browse/OFFICE-3378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20901#action_20901 ] 

Dennis Hamilton commented on OFFICE-3378:

Thanks, Andreas.

I'm not sure truncation is the right thing when the rule specifies modular arithmetic, but I get what you mean.  However, we need to clearly differentiate between truncation by beheading and trunctation by tail snipping/shortening, and the usage should be clear.in each place.

I am grateful to know that I can use [hh] in my spreadsheets though.  

I also agree that both use cases are important.  When we just want to show the time of day, no matter what day it is, we need to be able to make it work.  This could be because the calendar date is being formatted separately (as folks often do in header-footers to get it done in the form they want).

> 19.367 number:truncate-on-overflow - meaning of modulo? - not well-defined? - see description
> ---------------------------------------------------------------------------------------------
>                 Key: OFFICE-3378
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-3378
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: Part 1 (Schema)
>    Affects Versions: ODF 1.2 CD 05
>            Reporter: Patrick Durusau
>             Fix For: ODF 1.2 CD 06
> We had a long discussion in http://tools.oasis-open.org/issues/browse/OFFICE-1689 about this attribute but missed the use of "modulo."
> From what I have found, for example:
> http://en.wikipedia.org/wiki/Modulo_operation
> http://mathworld.wolfram.com/ModularArithmetic.html
> http://www.cafeaulait.org/course/week2/15.html
> http://msdn.microsoft.com/en-us/library/se0w9esz%28VS.71%29.aspx
> So the remainder of 24 modulo 24 is 0.
> So the remainder of 48 modulo 24 is 0.
> So the remainder of 72 modulo 24 is 0.
> That can't be what we meant. 
> Rather I think we meant to have the quotient plus any remainder.
> Yes? 
> Apologies for missing this in our prior discussion. It seems so clear now. 

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