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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
* Christian Schulte <schulte@gecode.org>
*
* Contributing authors:
* Gabor Szokoli <szokoli@gecode.org>
*
* Copyright:
* Guido Tack, 2004
* Christian Schulte, 2004
* Gabor Szokoli, 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_CONVEX_HH
#define GECODE_SET_CONVEX_HH
#include <gecode/set.hh>
namespace Gecode { namespace Set { namespace Convex {
/**
* \namespace Gecode::Set::Convex
* \brief Propagators for convexity
*/
/**
* \brief %Propagator for the convex constraint
*
* Requires \code #include <gecode/set/convex.hh> \endcode
* \ingroup FuncSetProp
*/
class Convex : public UnaryPropagator<SetView,PC_SET_ANY> {
protected:
/// Constructor for cloning \a p
Convex(Space& home, Convex& p);
/// Constructor for posting
Convex(Home home, SetView);
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 that propagates that \a x is convex
static ExecStatus post(Home home,SetView x);
};
/**
* \brief %Propagator for the convex hull constraint
*
* Requires \code #include <gecode/set/convex.hh> \endcode
* \ingroup FuncSetProp
*/
class ConvexHull : public BinaryPropagator<SetView,PC_SET_ANY> {
protected:
/// Constructor for cloning \a p
ConvexHull(Space& home, ConvexHull&);
/// Constructor for posting
ConvexHull(Home home, SetView, SetView);
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 that propagates that \a y is the convex hull of \a x
static ExecStatus post(Home home,SetView x,SetView y);
};
}}}
#include <gecode/set/convex/conv.hpp>
#include <gecode/set/convex/hull.hpp>
#endif
// STATISTICS: set-prop
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