On 23 May 2011, at 15:41, Kish Shen wrote:
> Do you mean that in my specific situation, where the user only sees the start 
> and duration times, that these might be given incorrect values, or is it only 
> the end times that might be given incorrect values? [I guess this boils down 
> to if you use both start and end times to check for overlapping of tasks, 
> rather than start and duration]

You may get overlapping tasks, i.e., incorrect start and duration times as 
well.  So you should definitely check whether e.g. the durations are fixed - in 
that case, use the special version.  If you have to introduce end time 
variables in order to post the constraint, also post end=start+dur.

Cheers,
        Guido

-- 
Guido Tack, http://people.cs.kuleuven.be/~guido.tack/


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