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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576/* -*- 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, * distribute, sublicense, and/or sell copies of the Software, and to * 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, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */
#ifndef GECODE_SET_ATMOSTONE_HH#define GECODE_SET_ATMOSTONE_HH
#include <gecode/set.hh>
namespace Gecode { namespace Set { namespace Distinct {
/** * \namespace Gecode::Set::Distinct * \brief Propagators for global distinctness constraints */
/** * \brief %Propagator for the AtMostOneIntersection constraint * * Requires \code #include <gecode/set/distinct.hh> \endcode * \ingroup FuncSetProp */ class AtmostOne : public NaryPropagator<SetView, PC_SET_ANY> { protected: /// Cardinality of the sets unsigned int c; /// Constructor for cloning \a p AtmostOne(Space& home, AtmostOne& p); /// Constructor for posting AtmostOne(Home home, ViewArray<SetView>&,unsigned int); public: /// Copy propagator during cloning GECODE_SET_EXPORT virtual Actor* copy(Space& home); /// Perform propagation GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med); /// Post propagator for \f$\forall 0\leq i\leq |x| : |x_i|=c\f$ and \f$\forall 0\leq i<j\leq |x| : |x_i\cap x_j|\leq 1\f$ static ExecStatus post(Home home,ViewArray<SetView> x,unsigned int c); };
}}}
#include <gecode/set/distinct/atmostOne.hpp>
#endif
// STATISTICS: set-prop