no-overlap.hh

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2011
 *
 *  Last modified:
 *     $Date: 2011-07-13 18:55:08 +0200 (Wed, 13 Jul 2011) $ by $Author: schulte $
 *     $Revision: 12194 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
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#ifndef __GECODE_INT_NO_OVERLAP_HH__
#define __GECODE_INT_NO_OVERLAP_HH__

#include <gecode/int.hh>

namespace Gecode { namespace Int { namespace NoOverlap {

  class FixDim {
  protected:
    IntView c;
    int s;
    ExecStatus ssc(Space& home, int n);
    ExecStatus lec(Space& home, int n);
    ExecStatus nooverlap(Space& home, int n, int m);
  public:
    FixDim(void);
    FixDim(IntView c, int s);

    int ssc(void) const;
    int lsc(void) const;
    int sec(void) const;
    int lec(void) const;

    ExecStatus nooverlap(Space& home, FixDim& d);

    void update(Space& home, bool share, FixDim& d);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
  };

  class FlexDim {
  protected:
    IntView c0;
    IntView s;
    IntView c1;
    ExecStatus ssc(Space& home, int n);
    ExecStatus lec(Space& home, int n);
    ExecStatus nooverlap(Space& home, int n, int m);
  public:
    FlexDim(void);
    FlexDim(IntView c0, IntView s, IntView c1);

    int ssc(void) const;
    int lsc(void) const;
    int sec(void) const;
    int lec(void) const;

    ExecStatus nooverlap(Space& home, FlexDim& d);

    void update(Space& home, bool share, FlexDim& d);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
  };

}}}

#include <gecode/int/no-overlap/dim.hpp>

namespace Gecode { namespace Int { namespace NoOverlap {

  template<class Dim, int n>
  class ManBox {
  protected:
    Dim d[n];
  public:
    const Dim& operator [](int i) const;
    Dim& operator [](int i);
    static int dim(void);

    bool mandatory(void) const;
    bool optional(void) const;
    bool excluded(void) const;

    ExecStatus exclude(Space& home);

    bool nooverlap(const ManBox<Dim,n>& b) const;
    bool overlap(const ManBox<Dim,n>& b) const;

    ExecStatus nooverlap(Space& home, ManBox<Dim,n>& b);

    void update(Space& home, bool share, ManBox<Dim,n>& r);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
  };

  template<class Dim, int n>
  class OptBox : public ManBox<Dim,n> {
  protected:
    using ManBox<Dim,n>::d;
    BoolView o;
  public:
    void optional(BoolView o);
    bool mandatory(void) const;
    bool optional(void) const;
    bool excluded(void) const;

    ExecStatus exclude(Space& home);

    void update(Space& home, bool share, OptBox<Dim,n>& r);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
  };

}}}

#include <gecode/int/no-overlap/box.hpp>

namespace Gecode { namespace Int { namespace NoOverlap {

  template<class Box>
  class Base : public Propagator {
  protected:
    Box* b;
    int n;
    Base(Home home, Box* b, int n);
    Base(Space& home, bool share, Base<Box>& p, int m);
    static int partition(Box* b, int i, int n);
  public:
    virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
    virtual size_t dispose(Space& home);
  };

  template<class Dim, int d>
  class ManProp : public Base<ManBox<Dim,d> > {
  protected:
    using Base<ManBox<Dim,d> >::b;
    using Base<ManBox<Dim,d> >::n;
    ManProp(Home home, ManBox<Dim,d>* b, int n);
    ManProp(Space& home, bool share, ManProp<Dim,d>& p);
  public:
    static ExecStatus post(Home home, ManBox<Dim,d>* b, int n);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    virtual Actor* copy(Space& home, bool share);
    virtual size_t dispose(Space& home);
  };

  template<class Dim, int d>
  class OptProp : public Base<OptBox<Dim,d> > {
  protected:
    using Base<OptBox<Dim,d> >::b;
    using Base<OptBox<Dim,d> >::n;
    int m;
    OptProp(Home home, OptBox<Dim,d>* b, int n, int m);
    OptProp(Space& home, bool share, OptProp<Dim,d>& p);
  public:
    static ExecStatus post(Home home, OptBox<Dim,d>* b, int n);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    virtual Actor* copy(Space& home, bool share);
    virtual size_t dispose(Space& home);
  };

}}}

#include <gecode/int/no-overlap/base.hpp>
#include <gecode/int/no-overlap/man.hpp>
#include <gecode/int/no-overlap/opt.hpp>

#endif

// STATISTICS: int-prop