On 29/06/2015 23:51, Kish Shen wrote:
?- A :: 1 .. 20, gfd : min([100, A], M), get_constraints_number(M, D).
This shows that the variable M (and I also checked A, not shown here)
still have a propagator attached to it
Thinking about this, I think the propagator might be a constraint
linking M and A, as Gecode cannot unify the variables as ic does....
However, I was actually looking at argmin when I noticed that there was
a propagator attached when the constraint was satisfied, but I decided
to look at min instead as ic does not have argmin.
I can't show the ECLiPSe execution with argmin, as that is on a VNC
window that I can't use cut and paste on, but here is what I tried:
min_index([1,2,3,1,4], I), get_constraints_number(I, D).
I = I{[1,4]}
D = 1
so there is 1 propagator attached to I in this case, when min_index
(argmin) is entailed.
Cheers,
Kish
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