Lists Home |
Date Index |
At 2004-02-25 08:09 -0600, Bill Riegel wrote:
>I tried to use the follow line to determine if an input was a number or not.
><xsl:if test="number( input ) = number( input )" >
Yes, that is what I teach in my class for checking for a
number. Specifically, I use it to help people use this in a predicate as
in the following sum of all children that are numbers:
... otherwise something as simple as an empty child element messes up the
sum to produce NaN.
>I read somewhere that if input is not a number, the function returns NaN,
>and NaN is not equal to NaN so this should work.
Yes, I believe this to be the proper justification for the interpretation.
>If my input is "75 F", Xalan 2.5.2 says it is a number, 75, but
>I have tried it against xmlspy and another IDE called Stylus Studio, and
>they but indicate it is not a number.
>Is there a problem with Xalan number implementation ?
Must be ... "75 F" is not a number in the IEEE numbering scheme.
I hope this helps.
p.s. XSLT and XPath questions would be better posted to the following list:
There are a number of subscribers who would enthusiastically respond to
There is also an *excellent* FAQ at:
Public courses: Spring 2004 world tour of hands-on XSL instruction
Each week: Monday-Wednesday: XSLT/XPath; Thursday-Friday: XSL-FO
United States: Washington, DC March 15; San Francisco, CA March 22
Finland April 26; Hong Kong May 17; Germany May 24; London June 07
World-wide on-site corporate, government & user group XML training
G. Ken Holman mailto:gkholman@CraneSoftwrights.com
Crane Softwrights Ltd. http://www.CraneSoftwrights.com/x/
Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995)
Male Breast Cancer Awareness http://www.CraneSoftwrights.com/x/bc