int.hh

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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>
 *
 *  Copyright:
 *     Guido Tack, 2004
 *     Christian Schulte, 2004
 *
 *  Last modified:
 *     $Date: 2009-02-04 15:17:37 +0100 (Wed, 04 Feb 2009) $ by $Author: schulte $
 *     $Revision: 8140 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
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 *  Permission is hereby granted, free of charge, to any person obtaining
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 *  permit persons to whom the Software is furnished to do so, subject to
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#ifndef __GECODE_SET_INT_HH__
#define __GECODE_SET_INT_HH__

#include <gecode/set.hh>

namespace Gecode { namespace Set { namespace Int {

  template <class View>
  class MinElement :
    public IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_BND> {
  protected:
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_BND>::x0;
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_BND>::x1;
    MinElement(Space& home, bool share,MinElement& p);
    MinElement(Space& home, View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x);
  };

  template <class View>
  class NotMinElement :
    public IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM> {
  protected:
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x0;
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x1;
    NotMinElement(Space& home, bool share,NotMinElement& p);
    NotMinElement(Space& home, View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home,
                                                   const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x);
  };

  template <class View>
  class ReMinElement :
    public IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM> {
  protected:
    using IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x0;
    using IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x1;
    using IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::b;
    ReMinElement(Space& home, bool share,ReMinElement& p);
    ReMinElement(Space& home, View, Gecode::Int::IntView,
                 Gecode::Int::BoolView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home,
                                                   const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x,
                           Gecode::Int::BoolView b);
  };

  template <class View>
  class MaxElement :
    public IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_BND> {
  protected:
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_BND>::x0;
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_BND>::x1;
    MaxElement(Space& home, bool share,MaxElement& p);
    MaxElement(Space& home, View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home,
                                                   const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x);
  };

  template <class View>
  class NotMaxElement :
    public IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM> {
  protected:
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x0;
    using IntSetPropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x1;
    NotMaxElement(Space& home, bool share,NotMaxElement& p);
    NotMaxElement(Space& home, View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home,
                                                   const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x);
  };

  template <class View>
  class ReMaxElement :
    public IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM> {
  protected:
    using IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x0;
    using IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::x1;
    using IntSetRePropagator<View,PC_SET_ANY,Gecode::Int::PC_INT_DOM>::b;
    ReMaxElement(Space& home, bool share,ReMaxElement& p);
    ReMaxElement(Space& home, View, Gecode::Int::IntView, Gecode::Int::BoolView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home,
                                                   const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x,
                           Gecode::Int::BoolView b);
  };

  template <class View>
  class Card :
    public IntSetPropagator<View,PC_SET_CARD,Gecode::Int::PC_INT_BND> {
  protected:
    using IntSetPropagator<View,PC_SET_CARD,Gecode::Int::PC_INT_BND>::x0;
    using IntSetPropagator<View,PC_SET_CARD,Gecode::Int::PC_INT_BND>::x1;
    Card(Space& home, bool share,Card& p);
    Card(Space& home, View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*      copy(Space& home,bool);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Space& home, View s, Gecode::Int::IntView x);
  };


  template <class View>
  class Match : public Propagator {
  protected:
    View x0;
    ViewArray<Gecode::Int::IntView> xs;

    Match(Space& home, bool share,Match& p);
    Match(Space& home, View, ViewArray<Gecode::Int::IntView>&);
  public:
    GECODE_SET_EXPORT virtual Actor*   copy(Space& home,bool);
    GECODE_SET_EXPORT virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
    GECODE_SET_EXPORT virtual size_t dispose(Space& home);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Space& home, View s,
                           ViewArray<Gecode::Int::IntView>& x);
  };

  template <class View>
  class ChannelInt : public Propagator {
  protected:
    ViewArray<Gecode::Int::IntView> xs;
    ViewArray<View> ys;

    ChannelInt(Space& home, bool share,ChannelInt& p);
    ChannelInt(Space& home,ViewArray<Gecode::Int::IntView>&,
               ViewArray<View>&);
  public:
    virtual Actor*   copy(Space& home,bool);
    virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
    virtual size_t dispose(Space& home);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Space& home,ViewArray<Gecode::Int::IntView>& x,
                           ViewArray<View>& y);
  };

  template <class View>
  class ChannelBool
    : public MixNaryOnePropagator<Gecode::Int::BoolView,
                                  Gecode::Int::PC_BOOL_VAL,
                                  View,PC_GEN_NONE> {
  protected:
    typedef MixNaryOnePropagator<Gecode::Int::BoolView,
                                 Gecode::Int::PC_BOOL_VAL,
                                 View,PC_GEN_NONE> Super;
    using Super::x;
    using Super::y;

    ChannelBool(Space& home, bool share,ChannelBool& p);
    ChannelBool(Space& home,ViewArray<Gecode::Int::BoolView>&,
                View);

    class IndexAdvisor : public Advisor {
    protected:
      int idx;
    public:
      template <class A>
      IndexAdvisor(Space& home, ChannelBool<View>& p, Council<A>& c,
                   int index);
      IndexAdvisor(Space& home, bool share, IndexAdvisor& a);
      int index(void) const;
      template <class A>
      void dispose(Space& home, Council<A>& c);
    };

    Council<IndexAdvisor> co;
    SetDelta delta;
    GLBndSet zeros;
    GLBndSet ones;
    bool running;
  public:
    virtual Actor*   copy(Space& home,bool);
    virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
    virtual size_t dispose(Space& home);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    virtual ExecStatus advise(Space& home, Advisor& a, const Delta& d);
    static ExecStatus post(Space& home,ViewArray<Gecode::Int::BoolView>& x,
                           View y);
  };

  template <class View>
  class Weights : public Propagator {
  protected:
    SharedArray<int> elements;
    SharedArray<int> weights;

    View x;
    Gecode::Int::IntView y;

    Weights(Space& home, bool share,Weights& p);
    Weights(Space& home, const SharedArray<int>&, const SharedArray<int>&,
            View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*   copy(Space& home,bool);
    GECODE_SET_EXPORT virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
    GECODE_SET_EXPORT virtual size_t dispose(Space& home);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Space& home,
                           const SharedArray<int>& elements,
                           const SharedArray<int>& weights,
                           View x, Gecode::Int::IntView y);
  };

}}}

#include <gecode/set/int/minmax.hpp>
#include <gecode/set/int/card.hpp>
#include <gecode/set/int/match.hpp>
#include <gecode/set/int/channel-int.hpp>
#include <gecode/set/int/channel-bool.hpp>
#include <gecode/set/int/weights.hpp>

#endif

// STATISTICS: set-prop