Subject: Re: [xsl] floor() and idiv From: mozer <xmlizer@xxxxxxxxx> Date: Thu, 6 Nov 2008 19:38:12 +0100 |
Well this one is interesting since in XPath 2 F&O spec it is said that [[ Thus, the semantics " $a idiv $b " are equivalent to " ($a div $b) cast as xs:integer " except for error situations. ]] A bug in the spec or in Saxon ? floor(1000000000000000000000000000000001 div 100000000000000000000000000000001), 1000000000000000000000000000000001 idiv 100000000000000000000000000000001, (1000000000000000000000000000000001 div 100000000000000000000000000000001) cast as xs:integer gives 10, 9, 10 Xmlizer On Thu, Nov 6, 2008 at 7:04 PM, David Carlisle <davidc@xxxxxxxxx> wrote: > >> not for negative values > > and not for some positive values either, > > > let > $x := 100000000000000000000000000000001, > $y := 1000000000000000000000000000000001 > return > (floor($y div $x), $y idiv $x) > > saxon8q div.xq > <?xml version="1.0" encoding="UTF-8"?>10 9 > > > > not for any values at all if you are a strict typing sort of person, as > floor returns an xs:decimal (as integer div integer is decimal) and idiv > returns an integer. > > (oops sorry about the xquery:-) > > David > > ________________________________________________________________________ > The Numerical Algorithms Group Ltd is a company registered in England > and Wales with company number 1249803. The registered office is: > Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom. > > This e-mail has been scanned for all viruses by Star. The service is > powered by MessageLabs. > ________________________________________________________________________
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
Re: [xsl] floor() and idiv, David Carlisle | Thread | Re: [xsl] floor() and idiv, Michael Ludwig |
Re: [xsl] Group by Element based on, Michael Ludwig | Date | Re: [xsl] floor() and idiv, Michael Ludwig |
Month |