[gecode-users] Space access during ViewSelection?

[Christian Schulte]

Hmmm, I just had a look and it is not so obvious: would it be okay if the
space would be passed as const? What does make more sense in this situation
(I think const: because one should be able to ask the same space multiply
for a description and always get the same description).

Anyway, we are going to change the interface of branchings and branchin
descriptions anyway: we decided to make branching descriptions mandatory
given the huge importance they carry for efficient recomputation. This
allows us to make the interfaces considerably simpler.

Christian

--
Christian Schulte, http://www.imit.kth.se/~schulte/ 

-----Original Message-----
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
Of Christian Schulte
Sent: Tuesday, July 11, 2006 3:51 PM
To: 'Martin Mann'; 'gecode user list'
Subject: RE: [gecode-users] Space access during ViewSelection?


That's okay. We will do that anytime soon.

Christian

--
Christian Schulte, http://www.imit.kth.se/~schulte/ 

-----Original Message-----
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
Of Martin Mann
Sent: Tuesday, July 11, 2006 3:40 PM
To: gecode user list
Subject: [gecode-users] Space access during ViewSelection?


;)

the next ugly question is waiting:

This time I m fighting with value selection classes for my branching. In 
a function "int val(IntView &x)" the value to split on of the domain x 
is determined.

I would like to have access to the "father" Space of x...

The reason is the usage of some further informations out of Space, to 
select the value.
Am I the only one who is interested in doing such things or may it be 
interesting for others too? If that's the case may it be possible to add 
the calling Space to the parameter list of "val(..)" in general? (I know 
this would lead to some changes in the code.. and to incompatibilities 
with user defined value selections for older versions of gecode..)

Otherwise i ve got to do some static stuff I dont like, but that will do 
it for the moment.

Thanks for thinking about

Martin

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