ldsb.hh

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christopher Mears <chris.mears@monash.edu>
 *
 *  Copyright:
 *     Christopher Mears, 2012
 *
 *  Last modified:
 *     $Date: 2017-04-01 20:27:10 +0200 (Sat, 01 Apr 2017) $ by $Author: schulte $
 *     $Revision: 15623 $
 *
 *  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
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#ifndef __GECODE_SET_LDSB_HH__
#define __GECODE_SET_LDSB_HH__

#include <gecode/set.hh>
#include <gecode/int/ldsb.hh>

namespace Gecode { namespace Set { namespace LDSB {

  using namespace Int::LDSB;

  template<class View, int n, class Val, unsigned int a,
           class Filter, class Print>
  class LDSBSetBrancher : public LDSBBrancher<View,n,Val,a,Filter,Print> {
  public:
    using typename LDSBBrancher<View,n,Val,a,Filter,Print>::Var;
    int _prevPos;
    int _nNonValueSymmetries;
    int _nValueSymmetries;
    ValueSymmetryImp<View>** _copiedSyms;
    int _nCopiedSyms;
    IntSet _leftBranchValues;
    bool _stable;

    LDSBSetBrancher(Space& home, bool share, LDSBSetBrancher& b);
    LDSBSetBrancher(Home home,
                    ViewArray<View>& x,
                    ViewSel<View>* vs[n],
                    ValSelCommitBase<View,Val>* vsc,
                    SymmetryImp<View>** syms, int nsyms,
                    BranchFilter<Var> bf,
                    VarValPrint<Var,Val> vvp);
    virtual const Choice* choice(Space& home);
    virtual ExecStatus commit(Space& home, const Choice& c, unsigned int b);
    virtual Actor* copy(Space& home, bool share);
    static void post(Home home,
                     ViewArray<View>& x,
                     ViewSel<View>* vs[n],
                     ValSelCommitBase<View,Val>* vsc,
                     SymmetryImp<View>** _syms,
                     int _nsyms,
                     BranchFilter<Var> bf,
                     VarValPrint<Var,Val> vvp);

    template<class View0, int n0, class Val0, unsigned int a0>
    void postldsbsetbrancher(Home home,
                             ViewArray<View0>& x,
                             ViewSel<View0>* vs[n0],
                             ValSelCommitBase<View0,Val0>* vsc,
                             SymmetryImp<View0>** syms, int nsyms,
                             BranchFilter<typename View0::VarType> bf,
                             VarValPrint<typename View0::VarType,Val0> vvp);

    void updatePart1(Space& home, int choicePos);
  };

}}}

namespace Gecode { namespace Int { namespace LDSB {

  template <>
  ArgArray<Literal>
  VariableSequenceSymmetryImp<Set::SetView>
  ::symmetric(Literal l, const ViewArray<Set::SetView>& x) const;

}}}

#include <gecode/set/ldsb/brancher.hpp>

#endif

// STATISTICS: set-branch