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hull.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  * Christian Schulte <schulte@gecode.org>
6  *
7  * Contributing authors:
8  * Gabor Szokoli <szokoli@gecode.org>
9  *
10  * Copyright:
11  * Guido Tack, 2004
12  * Christian Schulte, 2004
13  * Gabor Szokoli, 2004
14  *
15  * This file is part of Gecode, the generic constraint
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39 
40 namespace Gecode { namespace Set { namespace Convex {
41 
42  /*
43  * "Convex hull" propagator
44  *
45  */
46 
49  : BinaryPropagator<SetView, PC_SET_ANY>(home, x, y) {}
50 
53  : BinaryPropagator<SetView, PC_SET_ANY>(home, p) {}
54 
57  (void) new (home) ConvexHull(home,x,y);
58  return ES_OK;
59  }
60 
61 
62 }}}
63 
64 // STATISTICS: set-prop
Propagator for the convex hull constraint
Definition: convex.hh:80
Post propagator for SetVar x
Definition: set.hh:767
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
static ExecStatus post(Home home, SetView x, SetView y)
Post propagator that propagates that y is the convex hull of x.
Definition: hull.hpp:56
Computation spaces.
Definition: core.hpp:1742
Gecode toplevel namespace
Home class for posting propagators
Definition: core.hpp:856
Set view for set variables
Definition: view.hpp:56
ConvexHull(Space &home, ConvexHull &)
Constructor for cloning p.
Definition: hull.hpp:52
#define forceinline
Definition: config.hpp:185
const Gecode::PropCond PC_SET_ANY
Propagate when any bound or the cardinality of a view changes.
Definition: var-type.hpp:248
Binary propagator.
Definition: pattern.hpp:84
@ ES_OK
Execution is okay.
Definition: core.hpp:476
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232
ExecStatus
Definition: core.hpp:472