Re: [xml] Test comparison fails on value (-2147483648)

[Ignacio Vazquez-Abrams <ignacio openservices net>]

On Sun, 26 Aug 2001 Chris_Poblete Dell com wrote:

> VERSIONS: libxml2-2.4.3
>           libxslt-1.0.3
>
> PROBLEM:
> The tag <xsl:when test="OutputWatts &lt; 0"> fails to evaluate correctly
> when OutputWatts is equal to -2147483648.
>
>
> PROPOSED RESOLUTION:
> xpath:xmlXPathStringEvalNumber(6567)
> ------------------------------------------------------------
> <     ret = (double) tmp;
> ----------
> >     ret = (double) tmp;
> >     // Variable tmp is declared as signed integer which may evaluate to
> a negative
> >     // number.  We only need to calculate the absolute value of the
> whole number since
> >     // any negative character in the input string has been flagged
> separately.
> >     if (tmp < 0)
> >             ret = -ret;
> ------------------------------------------------------------
>
> _______________________________
> Chris Poblete
> Dell © Enterprise Servers Group

Wouldn't it be easier just to have "ret = (double) (signed) tmp;"?

-- 
Ignacio Vazquez-Abrams  <ignacio openservices net>