RE: [xsl] Summation and NaN

Subject: RE: [xsl] Summation and NaN
From: "Tim Watts" <timw@xxxxxxx>
Date: Tue, 7 Aug 2001 12:37:10 +1000
Hi Wendell and Katie,

I was looking through the XSLT "bible" (Mike's book :)) and noticed that by
using xsl:decimal-format that you can set a string to be the output when the
values are NaN or infinity.

In the top-level of the stylesheet you could use
<xsl:decimal-format NaN="" infinity="Out of Range" />

The pages are 187-192 of version 1 of the XSLT Programmers Reference, and an
example is given on pp192.

Cheers,

Tim Watts

-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Wendell Piez
Sent: Tuesday, 7 August 2001 8:35 AM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [xsl] Summation and NaN


Katie,

<xsl:variable name="sum"
select="sum(Borrower[Rank=1]/AssetSet/Asset/Amount)"/>
<xsl:choose>
   <xsl:when test="$sum">
     <xsl:value-of
       select="format-number($sum, '$.00')"/>
   </xsl:when>
   <xsl:otherwise>&#160;</xsl:otherwise>
</xsl:choose>

That's a clean way to do it. It'll give the space if your sum is either 0
or NaN. If you want "$0.00" when it's 0, change the test to "$sum or
($sum=0)".

Others may come up with more magical ways.

Enjoy,
Wendell

At 06:01 PM 8/6/01, you wrote:
>When I use the following:
>
><xsl:value-of
>select="format-number(sum(Borrower[Rank=1]/AssetSet/Asset/Amount),
'$.00')"/>
>
>the page displays "NaN" when none of the "Amount" elements in the XML have
>values.  Instead of NaN, I would like the page to display nothing (a
>blank) if no asset "Amount" values are returned in the XML.  How do I do
this?
>
>Thanks,
>Katie
>
>
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