[gecode-users] documentation for member propagator

Christian Schulte cschulte at kth.se
Thu Sep 22 19:54:14 CEST 2011


Hi,

Thanks for the typo, fixed in the trunk. The membership propagator is domain
consistent (the reference doc says that, in fact), check the top of the
page.

The missing argument comes from the fact that doxygen for some reason does
pick up the implementation and the declaration (that's a bug in doxygen). A
missing argument means that it is not used in the implementation.

Christian

--
Christian Schulte, KTH, web.it.kth.se/~cschulte/


-----Original Message-----
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
Of Kish Shen
Sent: Thursday, September 22, 2011 6:35 PM
To: users at gecode.org
Subject: [gecode-users] documentation for member propagator

Hi,

I am in the process of adding support for the new features in 3.7.0 (and 
3.6.0) to the ECLiPSe Gecode interface, and I have some questions and 
comments about the documentation for the member constraint:

In the MPG, the text in the "Membership constraints" section (4.4.2 on 
my copy), says "...for an integer array x..", referring to
member(home, x, y), I think x should be an integer variable array.

I also looked at the reference documentation to try and find what 
IntConLevel is supported for this constraint, and in the specification 
for the functions, there is just IntConLev at the last argument 
position, without a variable name, something like:

void Gecode:member(Home            home,
                    const IntVarArgs & x,
                    IntVar             y,
                    IntConLevel
     	         }

It looks like this is the way the function is written in the source as 
well. I am not familiar with this syntax -- what does it mean, and does 
member support any IntConLevel?

Thanks and cheer,

Kish
	
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