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Home » Boards » Stylus Studio Developer Network » Stylus Studio Technical Forum » xpath processor bug? NaN = number(1)
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Peter SmithSubject: xpath processor bug? NaN = number(1)
Author: Peter Smith
Date: 17 Feb 2003 06:44 PM
There seems to be a problem with a numeric comparison of NaN with the value 1. Please see the following. (Saxon and others didn't have this issue).


Xpath Processor Bug?: NaN = 1, including empty result

Value of $numeric_value:
Number value of $numeric_value:
Boolean value of $numeric_value:
NaN = 1? - $numeric_value = 1:
Forced to numeric - $numeric_value = number(1):
Forced to numeric - number($numeric_value) = 1:
Forced to boolean - $numeric_value = boolean(1):
Forced to boolean - boolean($numeric_value) = boolean(1):


BUILT-IN PROCESSOR RESULTS

Xpath Processor Bug?: NaN = 1, including empty result

Value of $numeric_value: NaN
Number value of $numeric_value: NaN
Boolean value of $numeric_value: false
NaN = 1? - $numeric_value = 1: true
Forced to numeric - $numeric_value = number(1): true
Forced to numeric - number($numeric_value) = 1: true
Forced to boolean - $numeric_value = boolean(1): false
Forced to boolean - boolean($numeric_value) = boolean(1): false

SAXON PROCESSOR RESULTS:

Xpath Processor Bug?: NaN = 1, including empty result

Value of $numeric_value: NaN
Number value of $numeric_value: NaN
Boolean value of $numeric_value: false
NaN = 1? - $numeric_value = 1: false
Forced to numeric - $numeric_value = number(1): false
Forced to numeric - number($numeric_value) = 1: false
Forced to boolean - $numeric_value = boolean(1): false
Forced to boolean - boolean($numeric_value) = boolean(1): false
Postnext
(Deleted User) Subject: Re: xpath processor bug? NaN = number(1)
Author: (Deleted User)
Date: 18 Feb 2003 08:09 AM
Thanks for the report. The bug has been fixed and it will be available in
the next update of Stylus.

Thanks,
Alberto
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Sean DruckerSubject: Re: xpath processor bug? NaN = number(1)
Author: Sean Drucker
Date: 20 Feb 2003 04:42 PM
Any idea on when the next release will be?
Postnext
Minollo I.Subject: Re: xpath processor bug? NaN = number(1)
Author: Minollo I.
Date: 20 Feb 2003 05:00 PM
Likely tomorrow.
Minollo
Posttop
Minollo I.Subject: Re: xpath processor bug? NaN = number(1)
Author: Minollo I.
Date: 21 Feb 2003 05:29 PM
This problem has been addressed in BL103q, available as an update from:
http://www.stylusstudio.com/update (4.x section)

Thanks,
Minollo
 
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