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

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    [ http://tools.oasis-open.org/issues/browse/OFFICE-3378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20893#action_20893 ] 

Andreas Guelzow  commented on OFFICE-3378:
------------------------------------------

As you found "modulo" has a precise mathematical meaning. And, contrary to you, this is exactly what I would think its use here means.

Remember that the name of the attribute contains _truncate_. 

If I enter 50:0:0 in OOo it gives it a format of [HH]:MM:SS which does _not_ include truncation and it shows as 50:00:00.
If I change the format to HH:MM:SS, it will show it as 02:00:00. Note that there is no "day" suddenly appearing. The value is _displayed_ _truncated_!
 


> 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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