Re: [xslt] floating point conversion
- From: Phil Shafer <phil juniper net>
- To: The Gnome XSLT library mailing-list <xslt gnome org>, Nick Wellnhofer <wellnhofer aevum de>
- Subject: Re: [xslt] floating point conversion
- Date: Fri, 10 Sep 2010 15:39:30 -0400
Nick Wellnhofer writes:
>> The crux is that number("100.15") is not equal to 100.15.
>That's how floating point numbers work.
No, I'm saying that number("100.15") != 100.15, which isn't
the way floating point works.
<xsl:if test="number('100.15') != 100.15">
<xsl:text>not good</xsl:text>
</xsl:if>
There should be consistency in the conversion.
>That the second number is different seems to be a bug in libxml2. The
>implementations of xmlXPathStringEvalNumber and xmlXPathCompNumber are
>slightly different AFAICS.
Cool, and since C gives the float of 100.15 as 100.15000000000000568434,
I'll assume xmlXPathCompNumber is the problem, since
format-number(100.15, '####.################') should not be
100.1499999999999915
Thanks,
Phil
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