RhodeCode

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <lemon/core.h>

#include <lemon/concept_check.h>

namespace lemon {

  template <typename _Digraph, typename _PredMap>

  class PredMapPath {

  public:

    typedef True RevPathTag;

    typedef _Digraph Digraph;

    typedef typename Digraph::Arc Arc;

    typedef _PredMap PredMap;

    PredMapPath(const Digraph& _digraph, const PredMap& _predMap,

                typename Digraph::Node _target)

      : digraph(_digraph), predMap(_predMap), target(_target) {}

    int length() const {

      int len = 0;

      typename Digraph::Node node = target;

      typename Digraph::Arc arc;

      while ((arc = predMap[node]) != INVALID) {

        node = digraph.source(arc);

        ++len;

      }

      return len;

    }

    bool empty() const {

      return predMap[target] != INVALID;

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <string>

namespace lemon {

  namespace bits {

    void getWinProcTimes(double &rtime,

                         double &utime, double &stime,

                         double &cutime, double &cstime);

    std::string getWinFormattedDate();

    int getWinRndSeed();

  }

}

#endif

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

///\ingroup graph_concepts

///\file

///\brief The concept of directed graphs.

#include <lemon/core.h>

#include <lemon/concepts/maps.h>

#include <lemon/concept_check.h>

#include <lemon/concepts/graph_components.h>

namespace lemon {

  namespace concepts {

    /// \ingroup graph_concepts

    ///

    /// \brief Class describing the concept of directed graphs.

    ///

    /// This class describes the \ref concept "concept" of the

    /// immutable directed digraphs.

    ///

    /// Note that actual digraph implementation like @ref ListDigraph or

    /// @ref SmartDigraph may have several additional functionality.

    ///

    /// \sa concept

    class Digraph {

    private:

      ///Digraphs are \e not copy constructible. Use DigraphCopy() instead.

      ///Digraphs are \e not copy constructible. Use DigraphCopy() instead.

      ///

      Digraph(const Digraph &) {};

      ///\brief Assignment of \ref Digraph "Digraph"s to another ones are

        ///\e

        ArcMap(const Digraph&) { }

        ///\e

        ArcMap(const Digraph&, T) { }

      private:

        ///Copy constructor

        ArcMap(const ArcMap& em) : ReadWriteMap<Arc,T>(em) { }

        ///Assignment operator

        template <typename CMap>

        ArcMap& operator=(const CMap&) {

          checkConcept<ReadMap<Arc, T>, CMap>();

          return *this;

        }

      };

      template <typename _Digraph>

      struct Constraints {

        void constraints() {

          checkConcept<IterableDigraphComponent<>, _Digraph>();

          checkConcept<IDableDigraphComponent<>, _Digraph>();

          checkConcept<MappableDigraphComponent<>, _Digraph>();

        }

      };

    };

  } //namespace concepts

} //namespace lemon

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

///\ingroup graph_concepts

///\file

///\brief The concept of Undirected Graphs.

#include <lemon/concepts/graph_components.h>

#include <lemon/core.h>

namespace lemon {

  namespace concepts {

    /// \ingroup graph_concepts

    ///

    /// \brief Class describing the concept of Undirected Graphs.

    ///

    /// This class describes the common interface of all Undirected

    /// Graphs.

    ///

    /// As all concept describing classes it provides only interface

    /// without any sensible implementation. So any algorithm for

    /// undirected graph should compile with this class, but it will not

    /// run properly, of course.

    ///

    /// The LEMON undirected graphs also fulfill the concept of

    /// directed graphs (\ref lemon::concepts::Digraph "Digraph

    /// Concept"). Each edges can be seen as two opposite

    /// directed arc and consequently the undirected graph can be

    /// seen as the direceted graph of these directed arcs. The

    /// Graph has the Edge inner class for the edges and

    /// the Arc type for the directed arcs. The Arc type is

    /// convertible to Edge or inherited from it so from a directed

    /// arc we can get the represented edge.

    ///

    /// In the sense of the LEMON each edge has a default

    /// direction (it should be in every computer implementation,

    /// because the order of edge's nodes defines an

    /// orientation). With the default orientation we can define that

    /// the directed arc is forward or backward directed. With the \c

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

///\ingroup graph_concepts

///\file

///\brief The concept of graph components.

#include <lemon/core.h>

#include <lemon/concepts/maps.h>

#include <lemon/bits/alteration_notifier.h>

namespace lemon {

  namespace concepts {

    /// \brief Skeleton class for graph Node and Arc types

    ///

    /// This class describes the interface of Node and Arc (and Edge

    /// in undirected graphs) subtypes of graph types.

    ///

    /// \note This class is a template class so that we can use it to

    /// create graph skeleton classes. The reason for this is than Node

    /// and Arc types should \em not derive from the same base class.

    /// For Node you should instantiate it with character 'n' and for Arc

    /// with 'a'.

#ifndef DOXYGEN

    template <char _selector = '0'>

#endif

    class GraphItem {

    public:

      /// \brief Default constructor.

      ///

      /// \warning The default constructor is not required to set

      /// the item to some well-defined value. So you should consider it

      /// as uninitialized.

      GraphItem() {}

      /// \brief Copy constructor.

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

///\ingroup concept

///\file

///\brief The concept of heaps.

#include <lemon/core.h>

#include <lemon/concept_check.h>

namespace lemon {

  namespace concepts {

    /// \addtogroup concept

    /// @{

    /// \brief The heap concept.

    ///

    /// Concept class describing the main interface of heaps.

    template <typename Priority, typename ItemIntMap>

    class Heap {

    public:

      /// Type of the items stored in the heap.

      typedef typename ItemIntMap::Key Item;

      /// Type of the priorities.

      typedef Priority Prio;

      /// \brief Type to represent the states of the items.

      ///

      /// Each item has a state associated to it. It can be "in heap",

      /// "pre heap" or "post heap". The later two are indifferent

      /// from the point of view of the heap, but may be useful for

      /// the user.

      ///

      /// The \c ItemIntMap must be initialized in such a way, that it

          heap.push(item, prio);

          heap.push(own_item, own_prio);

          heap.pop();

          heap.set(item, prio);

          heap.decrease(item, prio);

          heap.increase(item, prio);

          heap.set(own_item, own_prio);

          heap.decrease(own_item, own_prio);

          heap.increase(own_item, own_prio);

          heap.erase(item);

          heap.erase(own_item);

          heap.clear();

          own_state = heap.state(own_item);

          heap.state(own_item, own_state);

          own_state = _Heap::PRE_HEAP;

          own_state = _Heap::IN_HEAP;

          own_state = _Heap::POST_HEAP;

        }

        _Heap& heap;

        ItemIntMap& map;

      };

    };

    /// @}

  } // namespace lemon

}

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <lemon/core.h>

#include <lemon/concept_check.h>

///\ingroup map_concepts

///\file

///\brief The concept of maps.

namespace lemon {

  namespace concepts {

    /// \addtogroup map_concepts

    /// @{

    /// Readable map concept

    /// Readable map concept.

    ///

    template<typename K, typename T>

    class ReadMap

    {

    public:

      /// The key type of the map.

      typedef K Key;

      /// \brief The value type of the map.

      /// (The type of objects associated with the keys).

      typedef T Value;

      /// Returns the value associated with the given key.

      Value operator[](const Key &) const {

        return *static_cast<Value *>(0);

      struct Constraints {

        void constraints() {

          checkConcept<ReadWriteMap<K, T>, _ReferenceMap >();

          ref = m[key];

          m[key] = val;

          m[key] = ref;

          m[key] = cref;

          own_ref = m[own_key];

          m[own_key] = own_val;

          m[own_key] = own_ref;

          m[own_key] = own_cref;

          m[key] = m[own_key];

          m[own_key] = m[key];

        }

        const Key& key;

        Value& val;

        Reference ref;

        ConstReference cref;

        const typename _ReferenceMap::Key& own_key;

        typename _ReferenceMap::Value& own_val;

        typename _ReferenceMap::Reference own_ref;

        typename _ReferenceMap::ConstReference own_cref;

        _ReferenceMap& m;

      };

    };

    // @}

  } //namespace concepts

} //namespace lemon

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2009

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

///\ingroup concept

///\file

///\brief Classes for representing paths in digraphs.

///

#include <lemon/core.h>

#include <lemon/concept_check.h>

namespace lemon {

  namespace concepts {

    /// \addtogroup concept

    /// @{

    /// \brief A skeleton structure for representing directed paths in

    /// a digraph.

    ///

    /// A skeleton structure for representing directed paths in a

    /// digraph.

    /// \tparam _Digraph The digraph type in which the path is.

    ///

    /// In a sense, the path can be treated as a list of arcs. The

    /// lemon path type stores just this list. As a consequence it

    /// cannot enumerate the nodes in the path and the zero length

    /// paths cannot store the source.

    ///

    template <typename _Digraph>

    class Path {

    public:

      /// Type of the underlying digraph.

      typedef _Digraph Digraph;

      /// Arc type of the underlying digraph.

      typedef typename Digraph::Arc Arc;

      class ArcIt;

        /// Conversion to Arc

        operator Arc() const { return INVALID; }

        /// Next arc

        RevArcIt& operator++() {return *this;}

        /// Comparison operator

        bool operator==(const RevArcIt&) const {return true;}

        /// Comparison operator

        bool operator!=(const RevArcIt&) const {return true;}

        /// Comparison operator

        bool operator<(const RevArcIt&) const {return false;}

      };

      template <typename _Path>

      struct Constraints {

        void constraints() {

          function_requires<_path_bits::

            PathDumperConstraints<Digraph, _Path> >();

        }

      };

    };

    ///@}

  }

} // namespace lemon

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2008

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <lemon/lp_base.h>

///\file

///\brief A skeleton file to implement LP solver interfaces

namespace lemon {

  ///A skeleton class to implement LP solver interfaces

  class SkeletonSolverBase : public virtual LpBase {

    int col_num,row_num;

  protected:

    SkeletonSolverBase()

      : col_num(-1), row_num(-1) {}

    /// \e

    virtual int _addCol();

    /// \e

    virtual int _addRow();

    /// \e

    virtual void _eraseCol(int i);

    /// \e

    virtual void _eraseRow(int i);

    /// \e

    virtual void _getColName(int col, std::string& name) const;

    /// \e

    virtual void _setColName(int col, const std::string& name);

    /// \e

    virtual int _colByName(const std::string& name) const;

    virtual SolveExitStatus _solve();

    ///\e

    ///\bug Wrong interface

    ///

    virtual Value _getSol(int i) const;

    ///\e

    ///\bug Wrong interface

    ///

    virtual Value _getSolValue() const;

    ///\e

    ///\bug Wrong interface

    ///

    virtual ProblemType _getType() const;

    ///\e

    virtual MipSkeleton* _newSolver() const;

    ///\e

    virtual MipSkeleton* _cloneSolver() const;

    ///\e

    virtual const char* _solverName() const;

  };

} //namespace lemon