Subject: Re[2]: [xsl] how calculate sum(x*y) From: Andrey Solonchuk <solo@xxxxxxxxxxxxxx> Date: Mon, 7 Oct 2002 12:04:01 +0300 |
Hello Jarno, Monday, October 7, 2002, 11:25:50 AM, you wrote: JEnc> Hi, >> how calculate sum(x*y) ?? >> >> IF i try use sum() it say that need only node-list as argument.... >> >> I have xml >> <root> >> <data> >> <x>2</x> >> <y>3</y> >> </data> >> <data> >> <x>5</x> >> <y>6</y> >> </data> >> ..... >> <root> JEnc> Write a recursive template, that goes through all the data elements, summing the multiplication result to previous result sum, i.e. JEnc> template name=sum JEnc> param name=node-set JEnc> param name=sum JEnc> if count($node-set') = 0 JEnc> then JEnc> value-of select=$sum JEnc> else JEnc> call-template name=sum JEnc> with-param name=node-set select=$node-set[not(position() = 1)] JEnc> with-param name=sum select=$sum + $node-set[1]/x * $node-set[1]/y JEnc> Dimitri probably has some suitable function for the job, see [http://fxsl.sourceforge.net/]. JEnc> Cheers, JEnc> Jarno - Grendel: Human Saviour JEnc> XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list I try now use function "nodeset" from xalan namespace to build new nodeset with result of calculation x*y and then apply function sum for this tree. can you compare this two variants, what variant more likely to use ? -- Best regards, Andrey mailto:solo@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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