COIN-OR::LEMON - Graph Library

Changeset 256:c760d691fe3c in lemon


Ignore:
Timestamp:
09/02/08 22:27:19 (11 years ago)
Author:
Peter Kovacs <kpeter@…>
Branch:
default
Children:
258:0310c8984732, 346:ada5f74d1c9e
Phase:
public
Message:

Bug fix + doc improvement in UndirDigraphExtender? (ticket #141)

File:
1 edited

Legend:

Unmodified
Added
Removed
  • lemon/bits/base_extender.h

    r220 r256  
    6060      Arc() {}
    6161
    62       /// Invalid arc constructor
     62      // Invalid arc constructor
    6363      Arc(Invalid i) : Edge(i), forward(true) {}
    6464
     
    7575    };
    7676
    77 
    78 
    79     using Parent::source;
    80 
    81     /// Source of the given Arc.
     77    /// First node of the edge
     78    Node u(const Edge &e) const {
     79      return Parent::source(e);
     80    }
     81
     82    /// Source of the given arc
    8283    Node source(const Arc &e) const {
    8384      return e.forward ? Parent::source(e) : Parent::target(e);
    8485    }
    8586
    86     using Parent::target;
    87 
    88     /// Target of the given Arc.
     87    /// Second node of the edge
     88    Node v(const Edge &e) const {
     89      return Parent::target(e);
     90    }
     91
     92    /// Target of the given arc
    8993    Node target(const Arc &e) const {
    9094      return e.forward ? Parent::target(e) : Parent::source(e);
     
    9397    /// \brief Directed arc from an edge.
    9498    ///
    95     /// Returns a directed arc corresponding to the specified Edge.
    96     /// If the given bool is true the given edge and the
    97     /// returned arc have the same source node.
    98     static Arc direct(const Edge &ue, bool d) {
    99       return Arc(ue, d);
    100     }
    101 
    102     /// Returns whether the given directed arc is same orientation as the
    103     /// corresponding edge.
     99    /// Returns a directed arc corresponding to the specified edge.
     100    /// If the given bool is true, the first node of the given edge and
     101    /// the source node of the returned arc are the same.
     102    static Arc direct(const Edge &e, bool d) {
     103      return Arc(e, d);
     104    }
     105
     106    /// Returns whether the given directed arc has the same orientation
     107    /// as the corresponding edge.
    104108    ///
    105109    /// \todo reference to the corresponding point of the undirected digraph
    106110    /// concept. "What does the direction of an edge mean?"
    107     static bool direction(const Arc &e) { return e.forward; }
    108 
     111    static bool direction(const Arc &a) { return a.forward; }
    109112
    110113    using Parent::first;
     
    229232      return Parent::maxArcId();
    230233    }
    231 
    232234
    233235    int arcNum() const {
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