Hi,
The sum funciton is giving some strange result.
Xml :-
<documents>
<value>10.11</value>
<value>20.22</value>
<value>30.33</value>
<value>40.44</value>
<value>50.55</value>
<value>10.11</value>
<value>20.22</value>
</documents>
XSL :-
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:exsl="urn:schemas-microsoft-com:xslt"
extension-element-prefixes="exsl">
<xsl:variable name="SubTotals">
<xsl:for-each select="/documents/value">
<value><xsl:value-of select="." /></value>
</xsl:for-each>
</xsl:variable>
<xsl:template match="/">
<xsl:apply-templates select="documents/value" />
</xsl:template>
<xsl:template match="value">
<xsl:variable name="Position" select="position()" />
<xsl:value-of
select="sum(exsl:node-set($SubTotals)/value[position()
< $Position])" /><br />
</xsl:template>
</xsl:stylesheet>
The result :-
0
10.11
30.33
60.66
101.1
151.64999999999998
161.76
I am worried about the output 151.64999999999998. Why is it
outputting this
value?
Because XPath uses a floating-point numbers
<http://www.w3.org/TR/xpath#numbers>.
I am expecting to be upto 2 decimal places or 1 decimal places.
Well I can mask it upto 2 decimal places but I do not have a
liberty to do
that.
How about
<xsl:variable name="SubTotals">
<xsl:for-each select="/documents/value">
<value>
<xsl:value-of select=". * 100" />
</value>
</xsl:for-each>
</xsl:variable>
...
<xsl:template match="value">
<xsl:variable name="Position" select="position()" />
<xsl:value-of select="sum(exsl:node-set($SubTotals)/value[position() <
$Position]) div 100" />
<br />
</xsl:template>
Seems to give the expecter result.
0
10.11
30.33
60.66
101.1
151.65
161.76
Cheers,
Jarno
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