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
 *
 *  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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 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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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, FixDim& d);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
    void reschedule(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, FlexDim& d);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
    void reschedule(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, ManBox<Dim,n>& r);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
    void reschedule(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, OptBox<Dim,n>& r);

    void subscribe(Space& home, Propagator& p);
    void cancel(Space& home, Propagator& p);
    void reschedule(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, 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 void reschedule(Space& home);
    virtual size_t dispose(Space& home);
  };

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

  template<class Box>
  class OptProp : public Base<Box> {
  protected:
    using Base<Box>::b;
    using Base<Box>::n;
    int m;
    OptProp(Home home, Box* b, int n, int m);
    OptProp(Space& home, OptProp<Box>& p);
  public:
    static ExecStatus post(Home home, Box* b, int n);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    virtual Actor* copy(Space& home);
    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