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: 2008-01-29 13:37:51 +0100 (Tue, 29 Jan 2008) $ by $Author: tack $
 *     $Revision: 5993 $
 *
 *  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,
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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, ModEventDelta med);
    static ExecStatus post(Space* home, View s, Gecode::Int::IntView x);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };

  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, ModEventDelta med);
    static ExecStatus post(Space* home, View s, Gecode::Int::IntView x);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };

  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, ModEventDelta med);
    static ExecStatus post(Space* home, View s, Gecode::Int::IntView x);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };


  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(ModEventDelta med) const;
    GECODE_SET_EXPORT virtual size_t dispose(Space* home);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space* home, ModEventDelta med);
    static ExecStatus post(Space* home, View s,
                           ViewArray<Gecode::Int::IntView>& x);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };

  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(ModEventDelta med) const;
    virtual size_t dispose(Space* home);
    virtual ExecStatus propagate(Space* home, ModEventDelta med);
    static ExecStatus post(Space* home,ViewArray<Gecode::Int::IntView>& x,
                           ViewArray<View>& y);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };

  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(ModEventDelta med) const;
    virtual size_t dispose(Space* home);
    virtual ExecStatus propagate(Space* home, ModEventDelta med);
    virtual ExecStatus advise(Space* home, Advisor* a, const Delta* d);
    static ExecStatus post(Space* home,ViewArray<Gecode::Int::BoolView>& x,
                           View y);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };

  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 IntArgs&, const IntArgs&,
            View, Gecode::Int::IntView);
  public:
    GECODE_SET_EXPORT virtual Actor*   copy(Space* home,bool);
    GECODE_SET_EXPORT virtual PropCost cost(ModEventDelta med) const;
    GECODE_SET_EXPORT virtual size_t dispose(Space* home);
    GECODE_SET_EXPORT virtual ExecStatus propagate(Space* home, ModEventDelta med);
    static ExecStatus post(Space* home,
                           const IntArgs& elements, const IntArgs& weights,
                           View x, Gecode::Int::IntView y);
    GECODE_SET_EXPORT
    virtual Reflection::ActorSpec spec(const Space* home,
                                        Reflection::VarMap& m) const;
    static void post(Space* home, Reflection::VarMap& vars,
                     const Reflection::ActorSpec& spec);
    static Support::Symbol ati(void);
  };

}}}

#include "gecode/set/int/minmax.icc"
#include "gecode/set/int/card.icc"
#include "gecode/set/int/match.icc"
#include "gecode/set/int/channel-int.icc"
#include "gecode/set/int/channel-bool.icc"
#include "gecode/set/int/weights.icc"

#endif

// STATISTICS: set-prop