[xsl] Re2 : How to multiply 2 sequences ?

Hi, 
I found a following working solution:

<xsl:template match="in:ingredient">
<!-- this is the Food item id -->
  <xsl:variable name="input_bls" as="item()*">
    <xsl:sequence select="('B100000', 'B105100', 'B106311')"/>
  </xsl:variable>

<!-- this is the weight factor -->
  <xsl:variable name="input_amt" as="item()*">
    <xsl:sequence select="(100, 50, 10)"/>
  </xsl:variable>

<!-- this is one of the food ingredients of one food item -->
  <xsl:variable name="GCAL" as="xs:decimal">0</xsl:variable>
  <xsl:variable name="GCAL_sum" as="xs:decimal">0</xsl:variable>

  <xsl:for-each select="in:ing[(_at_)in:id=$input_bls]">
  <xsl:variable name="i" as="xs:integer"> 
  <xsl:value-of select="position()"/>
  </xsl:variable>
  <xsl:variable name="GCAL" select="in:GCAL*$input_amt[$i]" />  
  <xsl:variable name="GCAL_sum" select="$GCAL_sum + $GCAL" />  
  <xsl:value-of select="$GCAL_sum"/><br/>
  </xsl:for-each>
</xsl:template>

The only issue is now how to sum up the $GCAL to have $GCAL_sum

Best regards

Peter Teichert


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