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atmostOne.hpp
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4  * Guido Tack <tack@gecode.org>
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7  * Guido Tack, 2004
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10  * $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $
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37 
38 namespace Gecode { namespace Set { namespace Distinct {
39 
40  /*
41  * "AtMostOneIntersection" propagator
42  *
43  */
44 
47  : NaryPropagator<SetView, PC_SET_ANY>(home,x), c(_c) {}
48 
50  AtmostOne::AtmostOne(Space& home, bool share, AtmostOne& p)
51  : NaryPropagator<SetView, PC_SET_ANY>(home,share,p), c(p.c) {}
52 
54  AtmostOne::post(Home home, ViewArray<SetView> x, unsigned int c) {
55  for (int i=x.size(); i--;) {
56  GECODE_ME_CHECK(x[i].cardMin(home, c));
57  GECODE_ME_CHECK(x[i].cardMax(home, c));
58  }
59 
60  (void) new (home) AtmostOne(home,x,c);
61  return ES_OK;
62  }
63 
64 }}}
65 
66 // STATISTICS: set-prop
AtmostOne(Space &home, bool share, AtmostOne &p)
Constructor for cloning p.
Definition: atmostOne.hpp:50
Propagator for the AtMostOneIntersection constraint
Definition: distinct.hh:56
Computation spaces.
Definition: core.hpp:1362
Gecode::FloatVal c(-8, 8)
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
Gecode::IntArgs i(4, 1, 2, 3, 4)
static ExecStatus post(Home home, ViewArray< SetView > x, unsigned int c)
Post propagator for and .
Definition: atmostOne.hpp:54
n-ary propagator
Definition: propagator.hpp:143
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition: macros.hpp:45
const Gecode::PropCond PC_SET_ANY
Propagate when any bound or the cardinality of a view changes.
Definition: var-type.hpp:248
Set view for set variables
Definition: view.hpp:60
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
ExecStatus
Definition: core.hpp:523
#define forceinline
Definition: config.hpp:132
Execution is okay.
Definition: core.hpp:527
int size(void) const
Return size of array (number of elements)
Definition: array.hpp:1215
Gecode toplevel namespace
Home class for posting propagators
Definition: core.hpp:717
Multi _c(Gecode::IntArgs(3, 1, 2, 3))