Does this help
http://flylib.com/books/en/2.765.1.41/1/
Recipe 3.2 XSLT cookbook
On Thu, Sep 27, 2012 at 6:32 PM, Florent Georges
<lists(_at_)fgeorges(_dot_)org> wrote:
Hi,
I have a question about sum() and precision in XPath 1.0.
Let's say I have the following XML document:
<numbers>
<num>75</num>
<num>356.98</num>
<num>2052.51</num>
</numbers>
The expression "sum(/numbers/num)" returns something like
2484.490000000000000002 (and not 2484.49) because numbers are
turned into xs:double instead of xs:decimal, and some precision
is lost during floating-point computation. In XPath 2.0, it's
easy, I can just use instead "sum(/numbers/num/xs:decimal(.))",
but this is not XPath 1.0.
What can I use in XPath 1.0 (so only XPath, and only 1.0) in
order to get 2484.49?
Regards,
--
Florent Georges
http://fgeorges.org/
http://h2oconsulting.be/
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