problems creating a new duration with date.js

I have had to change the date.js function Duration
from:
	this.milliseconds = eval('0.'+fraction) * 100;
to:
	this.milliseconds = eval(0.+fraction) * 100;

Has anyone experienced this?

I also found the following mail on the exslt list.   I think I am missing
the fixes Jeni mentions in point 1.  I downloaded date.js alone and as
part of the date-time package.  Both have the same implementation.  Both
produce NaN durations in _validDuration.

My test call is:
  <xsl:variable name="sec_display" 
  select="date:add('1970-01-01T00:00:00', 'P12342DT18H36M5S')"/>

When I comment out the original:
  return new Duration(parts[1], parts[3], parts[5], parts[7], parts[11], 
  parts[13], parts[16], parts[18]);

And substitute it with 
  return new Duration(1, 2, 3, 4, 5, 6, 7, 8);

I get a valid duration created.  
  1973-05-06T06:07:08+04:00

The original code produces 
  NaN-NaN-NaNTNaN:NaN:NaN+NaN:NaN

Does any of this sound familiar?  Is this the problem that was fixed?

Thank you,
Elisabeth Baute

============================================================
[exslt] date/time functions 
Jeni Tennison Jeni Tennison <[email protected]> 
Fri, 22 Mar 2002 11:53:59 +0000 

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--------------------------------------------------------------------------------

Hi,

Thanks for sending all those bugs in the date/time functions and
prompting me to fix them. For the record, I've:

1. Fixed date.js/date.msxml.xsl:
   - _formatDate() thanks to Bruce Rindahl
   - parseDate() thanks to Bruce Rindahl
   - _validDuration() thanks to Bruce Krautbauer

2. Fixed the bug in date.add.template.xsl/date.add.function.xsl
   reported by Bruce Krautbauer, about adding negative durations (or
   at least that particular instance...)

3. Fixed the bug in date.add.template.xsl/date.add.function.xsl
   reported by Bruce Krautbauer, about adding billionths of seconds in
   durations. I think that this one is due to some kind of strange
   floating arithmetic thing - try doing 0.0000001 + 0.000000001 and
   you come out with 0.0000001009999999999999999 rather than
   0.000000101 as you'd expect. But I've now got it reporting
   ...T00:00:00.000000100999999999999999 rather than
   ...T00:00:00.000000100, which is probably better.

The fixes are currently being uploaded.

Cheers,

Jeni
---
Jeni Tennison
http://www.jenitennison.com/




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