Jip J. Dekker
1d9faf38de
git-subtree-dir: software/gecode git-subtree-split: 313e87646da4fc2752a70e83df16d993121a8e40
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/* -*- 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_SEQUENCE_HH
|
|
#define GECODE_SET_SEQUENCE_HH
|
|
|
|
#include <gecode/set.hh>
|
|
|
|
namespace Gecode { namespace Set { namespace Sequence {
|
|
|
|
/**
|
|
* \namespace Gecode::Set::Sequence
|
|
* \brief Propagators for ordered sequences of sets
|
|
*/
|
|
|
|
/**
|
|
* \brief %Propagator for the sequence constraint
|
|
*
|
|
* Requires \code #include <gecode/set/sequence.hh> \endcode
|
|
* \ingroup FuncSetProp
|
|
*/
|
|
|
|
class Seq : public NaryPropagator<SetView, PC_SET_ANY> {
|
|
protected:
|
|
/// Constructor for cloning \a p
|
|
Seq(Space& home, Seq& p);
|
|
/// Constructor for posting
|
|
Seq(Home home, ViewArray<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 \f$\forall 0\leq i< |x|-1 : \max(x_i)<\min(x_{i+1})\f$
|
|
static ExecStatus post(Home home,ViewArray<SetView>);
|
|
};
|
|
|
|
/**
|
|
* \brief %Propagator for the sequenced union constraint
|
|
*
|
|
* Requires \code #include <gecode/set/sequence.hh> \endcode
|
|
* \ingroup FuncSetProp
|
|
*/
|
|
|
|
class SeqU : public NaryOnePropagator<SetView,PC_SET_ANY> {
|
|
protected:
|
|
GLBndSet unionOfDets; //Union of determined variables dropped form x.
|
|
/// Constructor for cloning \a p
|
|
SeqU(Space& home, SeqU& p);
|
|
/// Constructor for posting
|
|
SeqU(Home home, ViewArray<SetView>&, SetView);
|
|
ExecStatus propagateSeqUnion(Space& home,
|
|
bool& modified, ViewArray<SetView>& x,
|
|
SetView& y);
|
|
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 \f$\forall 0\leq i< |x|-1 : \max(x_i)<\min(x_{i+1})\f$ and \f$ x = \bigcup_{i\in\{0,\dots,n-1\}} y_i \f$
|
|
static ExecStatus post(Home home,ViewArray<SetView>, SetView);
|
|
};
|
|
|
|
|
|
}}}
|
|
|
|
#include <gecode/set/rel.hh>
|
|
#include <gecode/set/rel-op/common.hpp>
|
|
#include <gecode/set/sequence/common.hpp>
|
|
#include <gecode/set/sequence/seq.hpp>
|
|
#include <gecode/set/sequence/seq-u.hpp>
|
|
|
|
#endif
|
|
|
|
// STATISTICS: set-prop
|