branch.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, 2012
 *
 *  Last modified:
 *     $Date: 2013-07-08 19:23:25 +0200 (Mon, 08 Jul 2013) $ by $Author: schulte $
 *     $Revision: 13827 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
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#ifndef __GECODE_INT_BRANCH_HH__
#define __GECODE_INT_BRANCH_HH__

#include <gecode/int.hh>

namespace Gecode { namespace Int { namespace Branch {

  template<class View>
  class MeritMin : public MeritBase<View,int> {
  public:
    MeritMin(Space& home, const VarBranch& vb);
    MeritMin(Space& home, bool shared, MeritMin& m);
    int operator ()(const Space& home, View x, int i);
  };

  template<class View>
  class MeritMax : public MeritBase<View,int> {
  public:
    MeritMax(Space& home, const VarBranch& vb);
    MeritMax(Space& home, bool shared, MeritMax& m);
    int operator ()(const Space& home, View x, int i);
  };

  template<class View>
  class MeritSize : public MeritBase<View,unsigned int> {
  public:
    MeritSize(Space& home, const VarBranch& vb);
    MeritSize(Space& home, bool shared, MeritSize& m);
    unsigned int operator ()(const Space& home, View x, int i);
  };

  template<class View>
  class MeritDegreeSize : public MeritBase<View,double> {
  public:
    MeritDegreeSize(Space& home, const VarBranch& vb);
    MeritDegreeSize(Space& home, bool shared, MeritDegreeSize& m);
    double operator ()(const Space& home, View x, int i);
  };

  template<class View>
  class MeritAFCSize : public MeritBase<View,double> {
  protected:
    AFC afc;
  public:
    MeritAFCSize(Space& home, const VarBranch& vb);
    MeritAFCSize(Space& home, bool shared, MeritAFCSize& m);
    double operator ()(const Space& home, View x, int i);
    bool notice(void) const;
    void dispose(Space& home);
  };

  template<class View>
  class MeritActivitySize : public MeritBase<View,double> {
  protected:
    Activity activity;
  public:
    MeritActivitySize(Space& home, const VarBranch& vb);
    MeritActivitySize(Space& home, bool shared, MeritActivitySize& m);
    double operator ()(const Space& home, View x, int i);
    bool notice(void) const;
    void dispose(Space& home);
  };

  template<class View>
  class MeritRegretMin : public MeritBase<View,unsigned int> {
  public:
    MeritRegretMin(Space& home, const VarBranch& vb);
    MeritRegretMin(Space& home, bool shared, MeritRegretMin& m);
    unsigned int operator ()(const Space& home, View x, int i);
  };

  template<class View>
  class MeritRegretMax : public MeritBase<View,unsigned int> {
  public:
    MeritRegretMax(Space& home, const VarBranch& vb);
    MeritRegretMax(Space& home, bool shared, MeritRegretMax& m);
    unsigned int operator ()(const Space& home, View x, int i);
  };

}}}

#include <gecode/int/branch/merit.hpp>

namespace Gecode { namespace Int { namespace Branch {

  GECODE_INT_EXPORT
  ViewSel<IntView>* viewselint(Space& home, const IntVarBranch& ivb);
  GECODE_INT_EXPORT
  ViewSel<BoolView>* viewselbool(Space& home, const IntVarBranch& ivb);

}}}

namespace Gecode { namespace Int { namespace Branch {

  template<class View>
  class ValSelMin : public ValSel<View,int> {
  public:
    ValSelMin(Space& home, const ValBranch& vb);
    ValSelMin(Space& home, bool shared, ValSelMin& vs);
    int val(const Space& home, View x, int i);
  };

  template<class View>
  class ValSelMax : public ValSel<View,int> {
  public:
    ValSelMax(Space& home, const ValBranch& vb);
    ValSelMax(Space& home, bool shared, ValSelMax& vs);
    int val(const Space& home, View x, int i);
  };

  template<class View>
  class ValSelMed : public ValSel<View,int> {
  public:
    ValSelMed(Space& home, const ValBranch& vb);
    ValSelMed(Space& home, bool shared, ValSelMed& vs);
    int val(const Space& home, View x, int i);
  };

  template<class View>
  class ValSelAvg : public ValSel<View,int> {
  public:
    ValSelAvg(Space& home, const ValBranch& vb);
    ValSelAvg(Space& home, bool shared, ValSelAvg& vs);
    int val(const Space& home, View x, int i);
  };

  template<class View>
  class ValSelRnd : public ValSel<View,int> {
  protected:
    Rnd r;
  public:
    ValSelRnd(Space& home, const ValBranch& vb);
    ValSelRnd(Space& home, bool shared, ValSelRnd& vs);
    int val(const Space& home, View x, int i);
    bool notice(void) const;
    void dispose(Space& home);
  };

  class ValSelRangeMin : public ValSel<IntView,int> {
  public:
    ValSelRangeMin(Space& home, const ValBranch& vb);
    ValSelRangeMin(Space& home, bool shared, ValSelRangeMin& vs);
    int val(const Space& home, IntView x, int i);
  };

  class ValSelRangeMax : public ValSel<IntView,int> {
  public:
    ValSelRangeMax(Space& home, const ValBranch& vb);
    ValSelRangeMax(Space& home, bool shared, ValSelRangeMax& vs);
    int val(const Space& home, IntView x, int i);
  };

  template<class View, bool min>
  class ValSelNearMinMax : public ValSel<View,int> {
  protected:
    IntSharedArray c;
  public:
    ValSelNearMinMax(Space& home, const ValBranch& vb);
    ValSelNearMinMax(Space& home, bool shared, ValSelNearMinMax& vs);
    int val(const Space& home, View x, int i);
    bool notice(void) const;
    void dispose(Space& home);
  };

  template<class View, bool inc>
  class ValSelNearIncDec : public ValSel<View,int> {
  protected:
    IntSharedArray c;
  public:
    ValSelNearIncDec(Space& home, const ValBranch& vb);
    ValSelNearIncDec(Space& home, bool shared, ValSelNearIncDec& vs);
    int val(const Space& home, View x, int i);
    bool notice(void) const;
    void dispose(Space& home);
  };

}}}

#include <gecode/int/branch/val-sel.hpp>

namespace Gecode { namespace Int { namespace Branch {

  template<class View>
  class EqNGL : public ViewValNGL<View,int,PC_INT_VAL> {
    using ViewValNGL<View,int,PC_INT_VAL>::x;
    using ViewValNGL<View,int,PC_INT_VAL>::n;
  public:
    EqNGL(Space& home, View x, int n);
    EqNGL(Space& home, bool share, EqNGL& ngl);
    virtual NGL::Status status(const Space& home) const;
    virtual ExecStatus prune(Space& home);
    virtual NGL* copy(Space& home, bool share);
  };

  template<class View>
  class NqNGL : public ViewValNGL<View,int,PC_INT_DOM> {
    using ViewValNGL<View,int,PC_INT_DOM>::x;
    using ViewValNGL<View,int,PC_INT_DOM>::n;
  public:
    NqNGL(Space& home, View x, int n);
    NqNGL(Space& home, bool share, NqNGL& ngl);
    virtual NGL::Status status(const Space& home) const;
    virtual ExecStatus prune(Space& home);
    virtual NGL* copy(Space& home, bool share);
  };

  template<class View>
  class LqNGL : public ViewValNGL<View,int,PC_INT_BND> {
    using ViewValNGL<View,int,PC_INT_BND>::x;
    using ViewValNGL<View,int,PC_INT_BND>::n;
  public:
    LqNGL(Space& home, View x, int n);
    LqNGL(Space& home, bool share, LqNGL& ngl);
    virtual NGL::Status status(const Space& home) const;
    virtual ExecStatus prune(Space& home);
    virtual NGL* copy(Space& home, bool share);
  };

  template<class View>
  class GqNGL : public ViewValNGL<View,int,PC_INT_BND> {
    using ViewValNGL<View,int,PC_INT_BND>::x;
    using ViewValNGL<View,int,PC_INT_BND>::n;
  public:
    GqNGL(Space& home, View x, int n);
    GqNGL(Space& home, bool share, GqNGL& ngl);
    virtual NGL::Status status(const Space& home) const;
    virtual ExecStatus prune(Space& home);
    virtual NGL* copy(Space& home, bool share);
  };

}}}

#include <gecode/int/branch/ngl.hpp>

namespace Gecode { namespace Int { namespace Branch {

  template<class View>
  class ValCommitEq : public ValCommit<View,int> {
  public:
    ValCommitEq(Space& home, const ValBranch& vb);
    ValCommitEq(Space& home, bool shared, ValCommitEq& vc);
    ModEvent commit(Space& home, unsigned int a, View x, int i, int n);
    NGL* ngl(Space& home, unsigned int a, View x, int n) const;
    void print(const Space& home, unsigned int a, View x, int i, int n,
               std::ostream& o) const;
  };

  template<class View>
  class ValCommitLq : public ValCommit<View,int> {
  public:
    ValCommitLq(Space& home, const ValBranch& vb);
    ValCommitLq(Space& home, bool shared, ValCommitLq& vc);
    ModEvent commit(Space& home, unsigned int a, View x, int i, int n);
    NGL* ngl(Space& home, unsigned int a, View x, int n) const;
    void print(const Space& home, unsigned int a, View x, int i, int n,
               std::ostream& o) const;
  };

  template<class View>
  class ValCommitGq : public ValCommit<View,int> {
  public:
    ValCommitGq(Space& home, const ValBranch& vb);
    ValCommitGq(Space& home, bool shared, ValCommitGq& vc);
    ModEvent commit(Space& home, unsigned int a, View x, int i, int n);
    NGL* ngl(Space& home, unsigned int a, View x, int n) const;
    void print(const Space& home, unsigned int a, View x, int i, int n,
               std::ostream& o) const;
  };

  template<class View>
  class ValCommitGr : public ValCommit<View,int> {
  public:
    ValCommitGr(Space& home, const ValBranch& vb);
    ValCommitGr(Space& home, bool shared, ValCommitGr& vc);
    ModEvent commit(Space& home, unsigned int a, View x, int i, int n);
    NGL* ngl(Space& home, unsigned int a, View x, int n) const;
    void print(const Space& home, unsigned int a, View x, int i, int n,
               std::ostream& o) const;
  };

}}}

#include <gecode/int/branch/val-commit.hpp>

namespace Gecode { namespace Int { namespace Branch {

  GECODE_INT_EXPORT
  ValSelCommitBase<IntView,int>* 
  valselcommitint(Space& home, int n, const IntValBranch& ivb);

  GECODE_INT_EXPORT
  ValSelCommitBase<BoolView,int>* 
  valselcommitbool(Space& home, int n, const IntValBranch& ivb);

  GECODE_INT_EXPORT
  ValSelCommitBase<IntView,int>* 
  valselcommitint(Space& home, const IntAssign& ia);

  GECODE_INT_EXPORT
  ValSelCommitBase<BoolView,int>* 
  valselcommitbool(Space& home, const IntAssign& ia);

}}}

namespace Gecode { namespace Int { namespace Branch {

  template<int n, bool min>
  class ViewValuesBrancher : public ViewBrancher<IntView,n> {
    typedef typename ViewBrancher<IntView,n>::BranchFilter BranchFilter;
  protected:
    using ViewBrancher<IntView,n>::x;
    IntVarValPrint vvp;
    ViewValuesBrancher(Space& home, bool shared, ViewValuesBrancher& b);
    ViewValuesBrancher(Home home, ViewArray<IntView>& x,
                       ViewSel<IntView>* vs[n], 
                       BranchFilter bf, IntVarValPrint vvp);
  public:
    virtual const Choice* choice(Space& home);
    virtual const Choice* choice(const Space& home, Archive& e);
    virtual ExecStatus commit(Space& home, const Choice& c, unsigned int a);
    virtual NGL* ngl(Space& home, const Choice& c, unsigned int a) const;
    virtual void print(const Space& home, const Choice& c, unsigned int a,
                       std::ostream& o) const;
    virtual Actor* copy(Space& home, bool share);
    static BrancherHandle post(Home home, ViewArray<IntView>& x,
                               ViewSel<IntView>* vs[n], 
                               BranchFilter bf, IntVarValPrint vvp);
  };

}}}

#include <gecode/int/branch/view-values.hpp>

#endif

// STATISTICS: int-branch