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allen watson

Subject: Math Error
Author: allen watson
Date: 17 Nov 2005 08:19 PM
Originally Posted: 02 Nov 2005 06:32 PM

11641.71 + 489.63 - 12131.34 = -0.00000000000181898940354586<br> <br> this should be zero. Is there a XSL processor patch? and how soon will the fix be ready? Here is the workaround: round(11641.71*100) + round(489.63*100) - round(12131.34*100) = 0 ugly but it worked.

Clyde Kessel

Subject: Math Error
Author: Clyde Kessel
Date: 02 Nov 2005 08:52 PM

Sadly, the XSLT 1.0 spec requires the use of floating point arithmetic (what were they thinking?), and all compliant processors return the same result. I have applied to Lord Krishna for a fix to the laws of mathematics, but haven't heard back yet. There are various functions like round() and xsl:decimal-format() to help a bit. XSLT 2.0, of course, has a decimal data type.

Clyde Kessel

Subject: Math Error
Author: Clyde Kessel
Date: 03 Nov 2005 04:30 AM

Happily, XSLT 2.0 will do the proper decimal arithmetic. Change the stylesheet element to 2.0

<xsl:stylesheet version="2.0" .....

and run it. You will need to select the Saxon xslt processor.

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