Re: [eclipse-clp-users] ECLiPSe - Real variables domain propagation problem

From: Mark Wallace <mark.wallace_at_...44...>
Date: Mon, 27 Jul 2009 21:24:34 +1000
Hi Wayne,
It's a bit late at night here, but I confess I'm puzzled by the following (inspired by your query):
?- [B, C] :: 0.0 .. 1.0, D $= C * (1.0 - B).
B = B{0.0 .. 1.0}
C = C{0.0 .. 1.0}
D = D{-1.0 .. 1.0}
It seems to me D ought to be constrained to be non-negative.
    Cheers
        Mark


If i had
?- A :: 0.0 .. 0.5, [B, C] :: 0.0 .. 1.0, A $= eval(B + C).
A = A{0.0 .. 0.5}
B = B{0.0 .. 0.5}
C = C{0.0 .. 0.5}
There is 1 delayed goal.
Yes (0.00s cpu)


-- 
Professor Mark Wallace
Room 6.43
Faculty of Information Technology
Building H
Monash University
Caulfield

Tel: 34276
Received on Mon Jul 27 2009 - 11:24:47 CEST

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