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alpar (Alpar Juttner)
alpar@cs.elte.hu
Remane GomoryHuTree to GomoryHu (#66)
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4 files changed with 22 insertions and 22 deletions:
↑ Collapse diff ↑
Ignore white space 6 line context
... ...
@@ -65,13 +65,13 @@
65 65
	lemon/edge_set.h \
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	lemon/elevator.h \
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	lemon/error.h \
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	lemon/euler.h \
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	lemon/full_graph.h \
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	lemon/glpk.h \
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	lemon/gomory_hu_tree.h \
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	lemon/gomory_hu.h \
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	lemon/graph_to_eps.h \
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	lemon/grid_graph.h \
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	lemon/hypercube_graph.h \
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	lemon/kruskal.h \
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	lemon/hao_orlin.h \
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	lemon/lgf_reader.h \
Ignore white space 12 line context
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@@ -60,13 +60,13 @@
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  /// \tparam GR The undirected graph data structure the algorithm will run on
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  /// \tparam CAP type of the EdgeMap describing the Edge capacities.
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  /// it is typename GR::template EdgeMap<int> by default.
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  template <typename GR,
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	    typename CAP = typename GR::template EdgeMap<int>
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            >
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  class GomoryHuTree {
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  class GomoryHu {
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  public:
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    /// The graph type
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    typedef GR Graph;
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    /// The type if the edge capacity map
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    typedef CAP Capacity;
... ...
@@ -113,24 +113,24 @@
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    /// \brief Constructor
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    ///
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    /// Constructor
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    /// \param graph The graph the algorithm will run on.
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    /// \param capacity The capacity map.
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    GomoryHuTree(const Graph& graph, const Capacity& capacity) 
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    GomoryHu(const Graph& graph, const Capacity& capacity) 
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      : _graph(graph), _capacity(capacity),
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	_pred(0), _weight(0), _order(0) 
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    {
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      checkConcept<concepts::ReadMap<Edge, Value>, Capacity>();
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    }
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    /// \brief Destructor
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    ///
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    /// Destructor
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    ~GomoryHuTree() {
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    ~GomoryHu() {
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      destroyStructures();
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    }
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    // \brief Initialize the internal data structures.
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    //
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    // This function initializes the internal data structures.
... ...
@@ -337,35 +337,35 @@
337 337

	
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    friend class MinCutNodeIt;
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    /// Iterate on the nodes of a minimum cut
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    /// This iterator class lists the nodes of a minimum cut found by
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    /// GomoryHuTree. Before using it, you must allocate a GomoryHuTree class,
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    /// and call its \ref GomoryHuTree::run() "run()" method.
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    /// GomoryHu. Before using it, you must allocate a GomoryHu class,
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    /// and call its \ref GomoryHu::run() "run()" method.
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    ///
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    /// This example counts the nodes in the minimum cut separating \c s from
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    /// \c t.
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    /// \code
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    /// GomoruHuTree<Graph> gom(g, capacities);
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    /// GomoruHu<Graph> gom(g, capacities);
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    /// gom.run();
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    /// int sum=0;
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    /// for(GomoruHuTree<Graph>::MinCutNodeIt n(gom,s,t);n!=INVALID;++n) ++sum;
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    /// for(GomoruHu<Graph>::MinCutNodeIt n(gom,s,t);n!=INVALID;++n) ++sum;
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    /// \endcode
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    class MinCutNodeIt
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    {
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      bool _side;
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      typename Graph::NodeIt _node_it;
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      typename Graph::template NodeMap<bool> _cut;
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    public:
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      /// Constructor
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      /// Constructor
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      ///
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      MinCutNodeIt(GomoryHuTree const &gomory,
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                   ///< The GomoryHuTree class. You must call its
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      MinCutNodeIt(GomoryHu const &gomory,
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                   ///< The GomoryHu class. You must call its
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                   ///  run() method
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                   ///  before initializing this iterator
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                   const Node& s, ///< Base node
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                   const Node& t,
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                   ///< The node you want to separate from Node s.
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                   bool side=true
... ...
@@ -434,26 +434,26 @@
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    friend class MinCutEdgeIt;
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    /// Iterate on the edges of a minimum cut
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    /// This iterator class lists the edges of a minimum cut found by
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    /// GomoryHuTree. Before using it, you must allocate a GomoryHuTree class,
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    /// and call its \ref GomoryHuTree::run() "run()" method.
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    /// GomoryHu. Before using it, you must allocate a GomoryHu class,
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    /// and call its \ref GomoryHu::run() "run()" method.
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    ///
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    /// This example computes the value of the minimum cut separating \c s from
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    /// \c t.
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    /// \code
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    /// GomoruHuTree<Graph> gom(g, capacities);
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    /// GomoruHu<Graph> gom(g, capacities);
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    /// gom.run();
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    /// int value=0;
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    /// for(GomoruHuTree<Graph>::MinCutEdgeIt e(gom,s,t);e!=INVALID;++e)
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    /// for(GomoruHu<Graph>::MinCutEdgeIt e(gom,s,t);e!=INVALID;++e)
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    ///   value+=capacities[e];
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    /// \endcode
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    /// the result will be the same as it is returned by
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    /// \ref GomoryHuTree::minCostValue() "gom.minCostValue(s,t)"
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    /// \ref GomoryHu::minCostValue() "gom.minCostValue(s,t)"
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    class MinCutEdgeIt
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    {
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      bool _side;
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      const Graph &_graph;
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      typename Graph::NodeIt _node_it;
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      typename Graph::OutArcIt _arc_it;
... ...
@@ -467,14 +467,14 @@
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            if(_node_it!=INVALID)
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              _arc_it=typename Graph::OutArcIt(_graph,_node_it);
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          }
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      }
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    public:
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      MinCutEdgeIt(GomoryHuTree const &gomory,
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                   ///< The GomoryHuTree class. You must call its
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      MinCutEdgeIt(GomoryHu const &gomory,
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                   ///< The GomoryHu class. You must call its
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                   ///  run() method
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                   ///  before initializing this iterator
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                   const Node& s,  ///< Base node
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                   const Node& t,
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                   ///< The node you want to separate from Node s.
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                   bool side=true
Ignore white space 6 line context
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#include <iostream>
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#include "test_tools.h"
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#include <lemon/smart_graph.h>
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#include <lemon/lgf_reader.h>
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#include <lemon/gomory_hu_tree.h>
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#include <lemon/gomory_hu.h>
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#include <cstdlib>
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using namespace std;
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using namespace lemon;
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typedef SmartGraph Graph;
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@@ -57,13 +57,13 @@
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  IntEdgeMap capacity(graph);
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  std::istringstream input(test_lgf);
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  GraphReader<Graph>(graph, input).
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    edgeMap("capacity", capacity).run();
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  GomoryHuTree<Graph> ght(graph, capacity);
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  GomoryHu<Graph> ght(graph, capacity);
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  ght.init();
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  ght.run();
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  for (NodeIt u(graph); u != INVALID; ++u) {
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    for (NodeIt v(graph); v != u; ++v) {
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      Preflow<Graph, IntEdgeMap> pf(graph, capacity, u, v);
... ...
@@ -72,20 +72,20 @@
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      ght.minCutMap(u, v, cm);
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      check(pf.flowValue() == ght.minCutValue(u, v), "Wrong cut 1");
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      check(cm[u] != cm[v], "Wrong cut 3");
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      check(pf.flowValue() == cutValue(graph, cm, capacity), "Wrong cut 2");
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      int sum=0;
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      for(GomoryHuTree<Graph>::MinCutEdgeIt a(ght, u, v);a!=INVALID;++a)
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      for(GomoryHu<Graph>::MinCutEdgeIt a(ght, u, v);a!=INVALID;++a)
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        sum+=capacity[a]; 
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      check(sum == ght.minCutValue(u, v), "Problem with MinCutEdgeIt");
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      sum=0;
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      for(GomoryHuTree<Graph>::MinCutNodeIt n(ght, u, v,true);n!=INVALID;++n)
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      for(GomoryHu<Graph>::MinCutNodeIt n(ght, u, v,true);n!=INVALID;++n)
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        sum++;
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      for(GomoryHuTree<Graph>::MinCutNodeIt n(ght, u, v,false);n!=INVALID;++n)
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      for(GomoryHu<Graph>::MinCutNodeIt n(ght, u, v,false);n!=INVALID;++n)
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        sum++;
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      check(sum == countNodes(graph), "Problem with MinCutNodeIt");
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    }
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  }
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