lemon/hao_orlin.h
changeset 942 2b6bffe0e7e8
parent 860 930ddeafdb20
     1.1 --- a/lemon/hao_orlin.h	Tue Dec 20 17:44:38 2011 +0100
     1.2 +++ b/lemon/hao_orlin.h	Tue Dec 20 18:15:14 2011 +0100
     1.3 @@ -2,7 +2,7 @@
     1.4   *
     1.5   * This file is a part of LEMON, a generic C++ optimization library.
     1.6   *
     1.7 - * Copyright (C) 2003-2009
     1.8 + * Copyright (C) 2003-2010
     1.9   * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    1.10   * (Egervary Research Group on Combinatorial Optimization, EGRES).
    1.11   *
    1.12 @@ -31,7 +31,7 @@
    1.13  /// \ingroup min_cut
    1.14  /// \brief Implementation of the Hao-Orlin algorithm.
    1.15  ///
    1.16 -/// Implementation of the Hao-Orlin algorithm for finding a minimum cut 
    1.17 +/// Implementation of the Hao-Orlin algorithm for finding a minimum cut
    1.18  /// in a digraph.
    1.19  
    1.20  namespace lemon {
    1.21 @@ -41,7 +41,7 @@
    1.22    /// \brief Hao-Orlin algorithm for finding a minimum cut in a digraph.
    1.23    ///
    1.24    /// This class implements the Hao-Orlin algorithm for finding a minimum
    1.25 -  /// value cut in a directed graph \f$D=(V,A)\f$. 
    1.26 +  /// value cut in a directed graph \f$D=(V,A)\f$.
    1.27    /// It takes a fixed node \f$ source \in V \f$ and
    1.28    /// consists of two phases: in the first phase it determines a
    1.29    /// minimum cut with \f$ source \f$ on the source-side (i.e. a set
    1.30 @@ -58,7 +58,7 @@
    1.31    ///
    1.32    /// For an undirected graph you can run just the first phase of the
    1.33    /// algorithm or you can use the algorithm of Nagamochi and Ibaraki,
    1.34 -  /// which solves the undirected problem in \f$ O(nm + n^2 \log n) \f$ 
    1.35 +  /// which solves the undirected problem in \f$ O(nm + n^2 \log n) \f$
    1.36    /// time. It is implemented in the NagamochiIbaraki algorithm class.
    1.37    ///
    1.38    /// \tparam GR The type of the digraph the algorithm runs on.
    1.39 @@ -76,7 +76,7 @@
    1.40  #endif
    1.41    class HaoOrlin {
    1.42    public:
    1.43 -   
    1.44 +
    1.45      /// The digraph type of the algorithm
    1.46      typedef GR Digraph;
    1.47      /// The capacity map type of the algorithm
    1.48 @@ -165,6 +165,23 @@
    1.49        }
    1.50      }
    1.51  
    1.52 +    /// \brief Set the tolerance used by the algorithm.
    1.53 +    ///
    1.54 +    /// This function sets the tolerance object used by the algorithm.
    1.55 +    /// \return <tt>(*this)</tt>
    1.56 +    HaoOrlin& tolerance(const Tolerance& tolerance) {
    1.57 +      _tolerance = tolerance;
    1.58 +      return *this;
    1.59 +    }
    1.60 +
    1.61 +    /// \brief Returns a const reference to the tolerance.
    1.62 +    ///
    1.63 +    /// This function returns a const reference to the tolerance object
    1.64 +    /// used by the algorithm.
    1.65 +    const Tolerance& tolerance() const {
    1.66 +      return _tolerance;
    1.67 +    }
    1.68 +
    1.69    private:
    1.70  
    1.71      void activate(const Node& i) {
    1.72 @@ -847,7 +864,7 @@
    1.73      /// \brief Initialize the internal data structures.
    1.74      ///
    1.75      /// This function initializes the internal data structures. It creates
    1.76 -    /// the maps and some bucket structures for the algorithm. 
    1.77 +    /// the maps and some bucket structures for the algorithm.
    1.78      /// The given node is used as the source node for the push-relabel
    1.79      /// algorithm.
    1.80      void init(const Node& source) {
    1.81 @@ -927,7 +944,7 @@
    1.82  
    1.83      /// \brief Run the algorithm.
    1.84      ///
    1.85 -    /// This function runs the algorithm. It uses the given \c source node, 
    1.86 +    /// This function runs the algorithm. It uses the given \c source node,
    1.87      /// finds a proper \c target node and then calls the \ref init(),
    1.88      /// \ref calculateOut() and \ref calculateIn().
    1.89      void run(const Node& s) {
    1.90 @@ -941,7 +958,7 @@
    1.91      /// \name Query Functions
    1.92      /// The result of the %HaoOrlin algorithm
    1.93      /// can be obtained using these functions.\n
    1.94 -    /// \ref run(), \ref calculateOut() or \ref calculateIn() 
    1.95 +    /// \ref run(), \ref calculateOut() or \ref calculateIn()
    1.96      /// should be called before using them.
    1.97  
    1.98      /// @{
    1.99 @@ -950,7 +967,7 @@
   1.100      ///
   1.101      /// This function returns the value of the minimum cut.
   1.102      ///
   1.103 -    /// \pre \ref run(), \ref calculateOut() or \ref calculateIn() 
   1.104 +    /// \pre \ref run(), \ref calculateOut() or \ref calculateIn()
   1.105      /// must be called before using this function.
   1.106      Value minCutValue() const {
   1.107        return _min_cut;
   1.108 @@ -969,7 +986,7 @@
   1.109      ///
   1.110      /// \return The value of the minimum cut.
   1.111      ///
   1.112 -    /// \pre \ref run(), \ref calculateOut() or \ref calculateIn() 
   1.113 +    /// \pre \ref run(), \ref calculateOut() or \ref calculateIn()
   1.114      /// must be called before using this function.
   1.115      template <typename CutMap>
   1.116      Value minCutMap(CutMap& cutMap) const {