atmostOne.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2004
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
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* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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namespace Gecode { namespace Set { namespace Distinct {
/*
* "AtMostOneIntersection" propagator
*
*/
forceinline
AtmostOne::AtmostOne(Home home, ViewArray<SetView>& x, unsigned int _c)
: NaryPropagator<SetView, PC_SET_ANY>(home,x), c(_c) {}
forceinline
AtmostOne::AtmostOne(Space& home, AtmostOne& p)
: NaryPropagator<SetView, PC_SET_ANY>(home,p), c(p.c) {}
forceinline ExecStatus
AtmostOne::post(Home home, ViewArray<SetView> x, unsigned int c) {
for (int i=x.size(); i--;) {
GECODE_ME_CHECK(x[i].cardMin(home, c));
GECODE_ME_CHECK(x[i].cardMax(home, c));
}
(void) new (home) AtmostOne(home,x,c);
return ES_OK;
}
}}}
// STATISTICS: set-prop
Gecode::Home
Home class for posting propagators
Definition core.hpp:856
Gecode::NaryPropagator< SetView, PC_SET_ANY >::x
ViewArray< SetView > x
Definition pattern.hpp:145
Gecode::NaryPropagator< SetView, PC_SET_ANY >::NaryPropagator
NaryPropagator(Space &home, NaryPropagator &p)
Gecode::Propagator::Space
friend class Space
Definition core.hpp:1066
Gecode::Set::Distinct::AtmostOne::AtmostOne
AtmostOne(Space &home, AtmostOne &p)
Constructor for cloning p.
Definition atmostOne.hpp:46
Gecode::Set::Distinct::AtmostOne::c
unsigned int c
Cardinality of the sets.
Definition distinct.hh:55
Gecode::Set::Distinct::AtmostOne::post
static ExecStatus post(Home home, ViewArray< SetView > x, unsigned int c)
Post propagator for and .
Definition atmostOne.hpp:50
Gecode::Set::SetView
Set view for set variables
Definition view.hpp:56
Gecode::ViewArray
View arrays.
Definition array.hpp:253
GECODE_ME_CHECK
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition macros.hpp:52
Gecode::Set::Distinct
Propagators for global distinctness constraints.
Definition distinct.hh:39
Gecode::Set
Finite integer sets.
Definition var-imp.hpp:137
Gecode::Set::PC_SET_ANY
const Gecode::PropCond PC_SET_ANY
Propagate when any bound or the cardinality of a view changes.
Definition var-type.hpp:248
Gecode
Gecode toplevel namespace
Gecode::ExecStatus
ExecStatus
Definition core.hpp:472
Gecode::ES_OK
@ ES_OK
Execution is okay.
Definition core.hpp:476
forceinline
#define forceinline
Definition config.hpp:187