Re: [xsl] Rounding errors in financial app transforms

["Dimitre Novatchev" <dnovatchev@xxxxxxxxx>]

You seem to be un-aware of xs:decimal.



--
Cheers,
Dimitre Novatchev
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Truly great madness cannot be achieved without significant intelligence.
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To invent, you need a good imagination and a pile of junk
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You've achieved success in your field when you don't know whether what
you're doing is work or play


On 7/26/07, Justin Johansson <procode@xxxxxxxxxx> wrote:
> What's the recommended recipe to avoid rounding-error discrepancies
> in financial applications based upon XSLT (2.0) transforms?
>
> Having demonstrated a proof-of-concept for an application based on XSLT 2.0
> to a commercial finance/accounting industry client (to replace a legacy system
> which happens to be written in CBASIC-86), a stumbling block / annoyance is
> the
> accumulation of one cent errors in the aggregated results.
>
> This, of course, is as a result of using floating-point arithmetic in XSLT.
>
> BCD arithmetic is apparently still used in mainframe applications, as was in
> CBASIC-86, but most latter-day languages including XSLT seem to have
> ignored it.
>
> Does this means that one needs to resort to doing non-trivial financial
> apps in XSLT
> in integer arithmetic?
>
> My guess is that even having a standard MulDiv function in XSLT would help
> matters floating-point-wise but sadly there is no such animal available.
>
> Thanks to all for suggestions.
>
> Justin Johansson
>
> *** A horse with no name is called Lambda ***