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RE: floor() and idiv

Subject: RE: floor() and idiv
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Mon, 10 Nov 2008 11:42:20 -0000
RE:  floor() and idiv
> 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 ?

I have raised a bug report against the spec at


The bug report suggests changing this sentence to a non-normative note:

Note: this means that the expression "$a idiv $b" gives the same result as
div $b) cast as xs:integer" except possibly in situations involving errors,
overflow/underflow, or loss of precision. 

Michael Kay

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