[Gecode] Re: GECODE VarTypeId question

[Guido Tack]

Hi.

First of all, I think we should move the discussion to our mailing 
list. Please subscribe to it via the web interface:
http://www.ps.uni-sb.de/mailman/listinfo/gecode

Gustavo Gutierrez:
> I have been added some clases concerning with the real interval 
> constraint
> system to gecode sources and i have a question about the VarTypeId 
> enum.
>
> First of all i think i need to modify this by adding a new definition 
> like
> VTI_RI = 2 , note that i use 2 because 0 represents FD and 1 
> represents FS is
> it ok?. I think VTI_MAX also needs to be modified and the new value is 
> 2.
>
> Summarizing, the final enum should looks like:
>
> enum VarTypeId {
>   VTI_INT   = 0,
>   VTI_SET   = 1,
>   VTI_RI    = 2,
>   VTI_MAX   = 2,
>   VTI_LIMIT = 7,
> };
>
> Is it right or have I missed something?

That looks ok.

> This is the only modification i have made to gecode sources, are there 
> other
> files that need to be modified in order to adapt the new constraint 
> system?

That should be everything you need to change in the kernel. The 
VarTypeId is used by the kernel to delegate all domain dependent 
actions to the correct variable implementation.

Guido