RhodeCode

if HAVE_CPLEX

lemon_libemon_la_SOURCES += lemon/cplex.cc

endif

if HAVE_SOPLEX

lemon_libemon_la_SOURCES += lemon/soplex.cc

endif

if HAVE_CLP

lemon_libemon_la_SOURCES += lemon/clp.cc

endif

if HAVE_CBC

lemon_libemon_la_SOURCES += lemon/cbc.cc

endif

lemon_HEADERS += \

	lemon/adaptors.h \

	lemon/arg_parser.h \

	lemon/assert.h \

	lemon/bellman_ford.h \

	lemon/bfs.h \

	lemon/bin_heap.h \

	lemon/bucket_heap.h \

	lemon/capacity_scaling.h \

	lemon/cbc.h \

	lemon/circulation.h \

	lemon/clp.h \

	lemon/color.h \

	lemon/concept_check.h \

	lemon/connectivity.h \

	lemon/core.h \

	lemon/cost_scaling.h \

	lemon/counter.h \

	lemon/cplex.h \

	lemon/cycle_canceling.h \

	lemon/dfs.h \

	lemon/dijkstra.h \

	lemon/dim2.h \

	lemon/dimacs.h \

	lemon/edge_set.h \

	lemon/elevator.h \

	lemon/error.h \

	lemon/euler.h \

	lemon/fib_heap.h \

	lemon/full_graph.h \

	lemon/glpk.h \

	lemon/gomory_hu.h \

	lemon/graph_to_eps.h \

	lemon/grid_graph.h \

	lemon/hartmann_orlin.h \

	lemon/howard.h \

	lemon/hypercube_graph.h \

	lemon/karp.h \

	lemon/kruskal.h \

	lemon/hao_orlin.h \

	lemon/lgf_reader.h \

	lemon/lgf_writer.h \

	lemon/list_graph.h \

	lemon/lp.h \

	lemon/lp_base.h \

	lemon/lp_skeleton.h \

	lemon/maps.h \

	lemon/matching.h \

	lemon/math.h \

	lemon/min_cost_arborescence.h \

	lemon/nauty_reader.h \

	lemon/network_simplex.h \

	lemon/pairing_heap.h \

	lemon/path.h \

	lemon/planarity.h \

	lemon/preflow.h \

	lemon/radix_heap.h \

	lemon/radix_sort.h \

	lemon/random.h \

	lemon/smart_graph.h \

	lemon/soplex.h \

	lemon/static_graph.h \

	lemon/suurballe.h \

	lemon/time_measure.h \

	lemon/tolerance.h \

	lemon/unionfind.h \

	lemon/bits/windows.h

bits_HEADERS += \

	lemon/bits/alteration_notifier.h \

	lemon/bits/array_map.h \

	lemon/bits/bezier.h \

	lemon/bits/default_map.h \

	lemon/bits/edge_set_extender.h \

	lemon/bits/enable_if.h \

	lemon/bits/graph_adaptor_extender.h \

	lemon/bits/graph_extender.h \

	lemon/bits/map_extender.h \

	lemon/bits/path_dump.h \

	lemon/bits/solver_bits.h \

/* -*- 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.

 *

 */

///\file

///\ingroup heaps

///\brief Binomial Heap implementation.

#include <vector>

#include <utility>

#include <functional>

#include <lemon/math.h>

#include <lemon/counter.h>

namespace lemon {

  /// \ingroup heaps

  ///

  ///\brief Binomial heap data structure.

  ///

  /// This class implements the \e binomial \e heap data structure.

  /// It fully conforms to the \ref concepts::Heap "heap concept".

  ///

  /// The methods \ref increase() and \ref erase() are not efficient

  /// in a binomial heap. In case of many calls of these operations,

  /// it is better to use other heap structure, e.g. \ref BinHeap

  /// "binary heap".

  ///

  /// \tparam PR Type of the priorities of the items.

  /// \tparam IM A read-writable item map with \c int values, used

  /// internally to handle the cross references.

  /// \tparam CMP A functor class for comparing the priorities.

  /// The default is \c std::less<PR>.

#ifdef DOXYGEN

  template <typename PR, typename IM, typename CMP>

#else

  template <typename PR, typename IM, typename CMP = std::less<PR> >

#endif

  public:

    /// Type of the item-int map.

    typedef IM ItemIntMap;

    /// Type of the priorities.

    typedef PR Prio;

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

    typedef typename ItemIntMap::Key Item;

    /// Functor type for comparing the priorities.

    typedef CMP Compare;

    /// \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 latter two are indifferent from the

    /// heap's point of view, but may be useful to the user.

    ///

    /// The item-int map must be initialized in such way that it assigns

    /// \c PRE_HEAP (<tt>-1</tt>) to any element to be put in the heap.

    enum State {

      IN_HEAP = 0,    ///< = 0.

      PRE_HEAP = -1,  ///< = -1.

      POST_HEAP = -2  ///< = -2.

    };

  private:

    class Store;

    std::vector<Store> _data;

    int _min, _head;

    ItemIntMap &_iim;

    Compare _comp;

    int _num_items;

  public:

    /// \brief Constructor.

    ///

    /// Constructor.

    /// \param map A map that assigns \c int values to the items.

    /// It is used internally to handle the cross references.

    /// The assigned value must be \c PRE_HEAP (<tt>-1</tt>) for each item.

      : _min(0), _head(-1), _iim(map), _num_items(0) {}

    /// \brief Constructor.

    ///

    /// Constructor.

    /// \param map A map that assigns \c int values to the items.

    /// It is used internally to handle the cross references.

    /// The assigned value must be \c PRE_HEAP (<tt>-1</tt>) for each item.

    /// \param comp The function object used for comparing the priorities.

      : _min(0), _head(-1), _iim(map), _comp(comp), _num_items(0) {}

    /// \brief The number of items stored in the heap.

    ///

    /// This function returns the number of items stored in the heap.

    int size() const { return _num_items; }

    /// \brief Check if the heap is empty.

    ///

    /// This function returns \c true if the heap is empty.

    bool empty() const { return _num_items==0; }

    /// \brief Make the heap empty.

    ///

    /// This functon makes the heap empty.

    /// It does not change the cross reference map. If you want to reuse

    /// a heap that is not surely empty, you should first clear it and

    /// then you should set the cross reference map to \c PRE_HEAP

    /// for each item.

    void clear() {

      _data.clear(); _min=0; _num_items=0; _head=-1;

    }

    /// \brief Set the priority of an item or insert it, if it is

    }

    // Lace node a under node b

    void fuse(int a, int b) {

      _data[a].parent=b;

      _data[a].right_neighbor=_data[b].child;

      _data[b].child=a;

      ++_data[b].degree;

    }

    // Unlace node a (if it has siblings)

    void unlace(int a) {

      int neighb=_data[a].right_neighbor;

      int other=_head;

      while( _data[other].right_neighbor!=a )

        other=_data[other].right_neighbor;

      _data[other].right_neighbor=neighb;

    }

  private:

    class Store {

      Item name;

      int parent;

      int right_neighbor;

      int child;

      int degree;

      bool in;

      Prio prio;

      Store() : parent(-1), right_neighbor(-1), child(-1), degree(0),

        in(true) {}

    };

  };

} //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 heaps

///\file

#include <vector>

#include <utility>

#include <functional>

namespace lemon {

  /// \ingroup heaps

  ///

  ///

  /// It fully conforms to the \ref concepts::Heap "heap concept".

  ///

  /// \ref BinHeap "binary heap" structure, its nodes have at most

  ///

  /// \tparam PR Type of the priorities of the items.

  /// \tparam IM A read-writable item map with \c int values, used

  /// internally to handle the cross references.

  /// children. The default is 16. Powers of two are suggested to use

  /// so that the multiplications and divisions needed to traverse the

  /// nodes of the heap could be performed faster.

  /// \tparam CMP A functor class for comparing the priorities.

  /// The default is \c std::less<PR>.

  ///

  ///\sa BinHeap

  ///\sa FouraryHeap

#ifdef DOXYGEN

#else

            typename CMP = std::less<PR> >

#endif

  public:

    /// Type of the item-int map.

    typedef IM ItemIntMap;

    /// Type of the priorities.

    typedef PR Prio;

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

    typedef typename ItemIntMap::Key Item;

    /// Type of the item-priority pairs.

    typedef std::pair<Item,Prio> Pair;

    /// Functor type for comparing the priorities.

    typedef CMP Compare;

    /// \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 latter two are indifferent from the

    /// heap's point of view, but may be useful to the user.

    ///

    /// The item-int map must be initialized in such way that it assigns

    /// \c PRE_HEAP (<tt>-1</tt>) to any element to be put in the heap.

    enum State {

      IN_HEAP = 0,    ///< = 0.

      PRE_HEAP = -1,  ///< = -1.

      POST_HEAP = -2  ///< = -2.

    };

  private:

    std::vector<Pair> _data;

    Compare _comp;

    ItemIntMap &_iim;

  public:

    /// \brief Constructor.

    ///

    /// Constructor.

    /// \param map A map that assigns \c int values to the items.

    /// It is used internally to handle the cross references.

    /// The assigned value must be \c PRE_HEAP (<tt>-1</tt>) for each item.

    /// \brief Constructor.

    ///

    /// Constructor.

    /// \param map A map that assigns \c int values to the items.

    /// It is used internally to handle the cross references.

    /// The assigned value must be \c PRE_HEAP (<tt>-1</tt>) for each item.

    /// \param comp The function object used for comparing the priorities.

      : _iim(map), _comp(comp) {}

    /// \brief The number of items stored in the heap.

    ///

    /// This function returns the number of items stored in the heap.

    int size() const { return _data.size(); }

    /// \brief Check if the heap is empty.

    ///

    /// This function returns \c true if the heap is empty.

    bool empty() const { return _data.empty(); }

    /// \brief Make the heap empty.

    ///

    /// This functon makes the heap empty.

    /// It does not change the cross reference map. If you want to reuse

    /// a heap that is not surely empty, you should first clear it and

    /// then you should set the cross reference map to \c PRE_HEAP

    /// for each item.

    void clear() { _data.clear(); }

  private:

    bool less(const Pair &p1, const Pair &p2) const {

      return _comp(p1.second, p2.second);

    }

    void bubbleUp(int hole, Pair p) {

      int par = parent(hole);

      while( hole>0 && less(p,_data[par]) ) {

        move(_data[par],hole);

        hole = par;

        par = parent(hole);

      }

      move(p, hole);

    }

    void bubbleDown(int hole, Pair p, int length) {

      if( length>1 ) {

        int child = firstChild(hole);

          int min=child;

            if( less(_data[child+i], _data[min]) )

              min=child+i;

          }

          if( !less(_data[min], p) )

            goto ok;

          move(_data[min], hole);

          hole = min;

          child = firstChild(hole);

        }

        if ( child<length ) {

          int min = child;

          while (++child < length) {

            if( less(_data[child], _data[min]) )

              min=child;

          }

          if( less(_data[min], p) ) {

            move(_data[min], hole);

            hole = min;

          }

        }

      }

    ok:

      move(p, hole);

    }

        case POST_HEAP:

        case PRE_HEAP:

          if (state(i) == IN_HEAP) erase(i);

          _iim[i] = st;

          break;

        case IN_HEAP:

          break;

      }

    }

    /// \brief Replace an item in the heap.

    ///

    /// This function replaces item \c i with item \c j.

    /// Item \c i must be in the heap, while \c j must be out of the heap.

    /// After calling this method, item \c i will be out of the

    /// heap and \c j will be in the heap with the same prioriority

    /// as item \c i had before.

    void replace(const Item& i, const Item& j) {

      int idx=_iim[i];

      _iim.set(i, _iim[j]);

      _iim.set(j, idx);

      _data[idx].first=j;

    }

} // 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 heaps

///\file

#include <vector>

#include <utility>

#include <functional>

namespace lemon {

  /// \ingroup heaps

  ///

  ///

  /// It fully conforms to the \ref concepts::Heap "heap concept".

  ///

  /// but its nodes have at most four children, instead of two.

  ///

  /// \tparam PR Type of the priorities of the items.

  /// \tparam IM A read-writable item map with \c int values, used

  /// internally to handle the cross references.

  /// \tparam CMP A functor class for comparing the priorities.

  /// The default is \c std::less<PR>.

  ///

  ///\sa BinHeap

#ifdef DOXYGEN

  template <typename PR, typename IM, typename CMP>

#else

  template <typename PR, typename IM, typename CMP = std::less<PR> >

#endif

  public:

    /// Type of the item-int map.

    typedef IM ItemIntMap;

    /// Type of the priorities.

    typedef PR Prio;

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

    typedef typename ItemIntMap::Key Item;

    /// Type of the item-priority pairs.

    typedef std::pair<Item,Prio> Pair;

    /// Functor type for comparing the priorities.

    typedef CMP Compare;

    /// \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 latter two are indifferent from the

    /// heap's point of view, but may be useful to the user.

    ///

    /// The item-int map must be initialized in such way that it assigns

    /// \c PRE_HEAP (<tt>-1</tt>) to any element to be put in the heap.

    enum State {

      IN_HEAP = 0,    ///< = 0.

      PRE_HEAP = -1,  ///< = -1.

      POST_HEAP = -2  ///< = -2.

    };

  private:

    std::vector<Pair> _data;

    Compare _comp;

    ItemIntMap &_iim;

  public:

    /// \brief Constructor.

    ///

    /// Constructor.

    /// \param map A map that assigns \c int values to the items.

    /// It is used internally to handle the cross references.

    /// The assigned value must be \c PRE_HEAP (<tt>-1</tt>) for each item.

    /// \brief Constructor.

    ///

    /// Constructor.

    /// \param map A map that assigns \c int values to the items.

    /// It is used internally to handle the cross references.

    /// The assigned value must be \c PRE_HEAP (<tt>-1</tt>) for each item.

    /// \param comp The function object used for comparing the priorities.

      : _iim(map), _comp(comp) {}

    /// \brief The number of items stored in the heap.

    ///

    /// This function returns the number of items stored in the heap.

    int size() const { return _data.size(); }

    /// \brief Check if the heap is empty.

    ///

    /// This function returns \c true if the heap is empty.

    bool empty() const { return _data.empty(); }

    /// \brief Make the heap empty.

    ///

    /// This functon makes the heap empty.

    /// It does not change the cross reference map. If you want to reuse

    /// a heap that is not surely empty, you should first clear it and

    /// then you should set the cross reference map to \c PRE_HEAP

    /// for each item.

    void clear() { _data.clear(); }

  private:

    static int parent(int i) { return (i-1)/4; }

    static int firstChild(int i) { return 4*i+1; }

        case POST_HEAP:

        case PRE_HEAP:

          if (state(i) == IN_HEAP) erase(i);

          _iim[i] = st;

          break;

        case IN_HEAP:

          break;

      }

    }

    /// \brief Replace an item in the heap.

    ///

    /// This function replaces item \c i with item \c j.

    /// Item \c i must be in the heap, while \c j must be out of the heap.

    /// After calling this method, item \c i will be out of the

    /// heap and \c j will be in the heap with the same prioriority

    /// as item \c i had before.

    void replace(const Item& i, const Item& j) {

      int idx = _iim[i];

      _iim.set(i, _iim[j]);

      _iim.set(j, idx);

      _data[idx].first = j;

    }

} // namespace lemon

#endif // LEMON_FOURARY_HEAP_H

 * 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 <iostream>

#include <fstream>

#include <string>

#include <vector>

#include <lemon/concept_check.h>

#include <lemon/concepts/heap.h>

#include <lemon/smart_graph.h>

#include <lemon/lgf_reader.h>

#include <lemon/dijkstra.h>

#include <lemon/maps.h>

#include <lemon/bin_heap.h>

#include <lemon/fib_heap.h>

#include <lemon/pairing_heap.h>

#include <lemon/radix_heap.h>

#include <lemon/bucket_heap.h>

#include "test_tools.h"

using namespace lemon;

using namespace lemon::concepts;

typedef ListDigraph Digraph;

DIGRAPH_TYPEDEFS(Digraph);

char test_lgf[] =

  "@nodes\n"

  "label\n"

  "0\n"

  "1\n"

  "2\n"

  "3\n"

  "4\n"

  "5\n"

  "6\n"

  "7\n"

  "8\n"

  "9\n"

  "@arcs\n"

  typedef RangeMap<int> ItemIntMap;

  Digraph digraph;

  IntArcMap length(digraph);

  Node source;

  std::istringstream input(test_lgf);

  digraphReader(digraph, input).

    arcMap("capacity", length).

    node("source", source).

    run();

  // BinHeap

  {

    typedef BinHeap<Prio, ItemIntMap> IntHeap;

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    typedef BinHeap<Prio, IntNodeMap > NodeHeap;

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  {

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  {

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  // FibHeap

  {

    typedef FibHeap<Prio, ItemIntMap> IntHeap;

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    typedef FibHeap<Prio, IntNodeMap > NodeHeap;

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  // PairingHeap

  {

    typedef PairingHeap<Prio, ItemIntMap> IntHeap;

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    typedef PairingHeap<Prio, IntNodeMap > NodeHeap;

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  // RadixHeap

  {

    typedef RadixHeap<ItemIntMap> IntHeap;

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    typedef RadixHeap<IntNodeMap > NodeHeap;

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  {

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

  }

  // BucketHeap, SimpleBucketHeap

  {

    typedef BucketHeap<ItemIntMap> IntHeap;

    checkConcept<Heap<Prio, ItemIntMap>, IntHeap>();

    heapSortTest<IntHeap>();

    heapIncreaseTest<IntHeap>();

    typedef BucketHeap<IntNodeMap > NodeHeap;

    checkConcept<Heap<Prio, IntNodeMap >, NodeHeap>();

    dijkstraHeapTest<NodeHeap>(digraph, length, source);

    typedef SimpleBucketHeap<ItemIntMap> SimpleIntHeap;

    heapSortTest<SimpleIntHeap>();

  }

  return 0;

}