Subject: RE: [xsl] Addition/Subtraction of numbers. From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Fri, 25 Jan 2002 19:49:43 -0000 |
> I have the understanding that the XPath number() function > will return the string 'NaN' if the parameter passed in is > not a number. Though, at a lower level, won't the same > function called twice with identical parameter(s) return the > same thing? So, when would your test of "number($t1) = > number($t1)" fail? When number($t1) is NaN, because (as defined in the IEEE standard) NaN=NaN is false. Mike Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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