vmsdate problem

[Witkopp, Richard]

Be careful with calculating time differences. Powerhouse
may not "sample" the vmsdate as often as you might like.
Or possibly VMS is partly to blame, optimizing code or
something.

> -----Original Message-----
> From: Chris Sharman [mailto:chris.sharman@ccagroup.co.uk]
> Sent: Friday, October 18, 2002 3:22 AM
> To: C. Harkes; powerh-l@cube.swau.edu
> Subject: RE: vmsdate problem
> 
> 
> 
> > I would like to fill a vmsdate temporary in qdesign by 
> using a date field
> > temp and a time field temp.
> > Is it possible ? If I can do this I can easier calculate 
> timedifferences
> > using the decimaltime function
> 
> Yes, but not easy.
> 
> def mins int*2 = mod(t_time,100)
> def hrs int*2 = mod(t_time,10000)*0.01 ; floor is implicit
> 
> temp dt vmsdate initial date(((mins/60)+hrs)/24,t_date)
> 
> It may get better with 8.30whatever+ - there are a lot of 
> changes in that
> area.
> 
> Chris
> 
> 
> 
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