LEMON/LEMON-official Changeset - r258:0310c8984732

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Changeset - r258:0310c8984732

« 256:c760d6
« 257:8d76a7

260:c69106 »

r258:0310c8984732

Tue, 09 Sep 2008 21:52:45

[Not Reviewed]

0 comments (0 inline)

alpar (Alpar Juttner)
alpar@cs.elte.hu

Merge

0 7 0

merge default

3 files changed with 144 insertions and 86 deletions:

lemon/bfs.h

lemon/bits/base_extender.h

lemon/dfs.h

lemon/dijkstra.h

lemon/dim2.h

lemon/graph_to_eps.h

test/dim_test.cc

↑ Collapse diff ↑

lemon/bfs.h

Show inline comments

@@ -1072,384 +1072,389 @@
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref PredMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref PredMap object.
 		    template<class T>
 		    BfsWizard<SetPredMapBase<T> > predMap(const T &t)
+		    {
 		      Base::_pred=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return BfsWizard<SetPredMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetReachedMapBase : public Base {
 		      typedef T ReachedMap;
 		      static ReachedMap *createReachedMap(const Digraph &) { return 0; };
 		      SetReachedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref ReachedMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref ReachedMap object.
 		    template<class T>
 		    BfsWizard<SetReachedMapBase<T> > reachedMap(const T &t)
+		    {
 		      Base::_reached=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return BfsWizard<SetReachedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetProcessedMapBase : public Base {
 		      typedef T ProcessedMap;
 		      static ProcessedMap *createProcessedMap(const Digraph &) { return 0; };
 		      SetProcessedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref ProcessedMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref ProcessedMap object.
 		    template<class T>
 		    BfsWizard<SetProcessedMapBase<T> > processedMap(const T &t)
+		    {
 		      Base::_processed=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return BfsWizard<SetProcessedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetDistMapBase : public Base {
 		      typedef T DistMap;
 		      static DistMap *createDistMap(const Digraph &) { return 0; };
 		      SetDistMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref DistMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref DistMap object.
 		    template<class T>
 		    BfsWizard<SetDistMapBase<T> > distMap(const T &t)
+		    {
 		      Base::_dist=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return BfsWizard<SetDistMapBase<T> >(*this);
+		    }
 		  };
 		  ///Function type interface for Bfs algorithm.
 		  /// \ingroup search
 		  ///Function type interface for Bfs algorithm.
 		  ///
 		  ///This function also has several
 		  ///\ref named-templ-func-param "named parameters",
 		  ///they are declared as the members of class \ref BfsWizard.
 		  ///The following
 		  ///example shows how to use these parameters.
 		  ///\code
 		  ///  bfs(g,source).predMap(preds).run();
 		  ///\endcode
 		  ///\warning Don't forget to put the \ref BfsWizard::run() "run()"
 		  ///to the end of the parameter list.
 		  ///\sa BfsWizard
 		  ///\sa Bfs
 		  template<class GR>
 		  BfsWizard<BfsWizardBase<GR> >
 		  bfs(const GR &g,typename GR::Node s=INVALID)
+		  {
 		    return BfsWizard<BfsWizardBase<GR> >(g,s);
+		  }
 		#ifdef DOXYGEN
 		  /// \brief Visitor class for BFS.
 		  ///
 		  /// This class defines the interface of the BfsVisit events, and
 		  /// it could be the base of a real visitor class.
 		  template <typename _Digraph>
 		  struct BfsVisitor {
 		    typedef _Digraph Digraph;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::Node Node;
 		    /// \brief Called for the source node(s) of the BFS.
 		    ///
 		    /// This function is called for the source node(s) of the BFS.
 		    void start(const Node& node) {}
 		    /// \brief Called when a node is reached first time.
 		    ///
 		    /// This function is called when a node is reached first time.
 		    void reach(const Node& node) {}
 		    /// \brief Called when a node is processed.
 		    ///
 		    /// This function is called when a node is processed.
 		    void process(const Node& node) {}
 		    /// \brief Called when an arc reaches a new node.
 		    ///
 		    /// This function is called when the BFS finds an arc whose target node
 		    /// is not reached yet.
 		    void discover(const Arc& arc) {}
 		    /// \brief Called when an arc is examined but its target node is
 		    /// already discovered.
 		    ///
 		    /// This function is called when an arc is examined but its target node is
 		    /// already discovered.
 		    void examine(const Arc& arc) {}
 		  };
 		#else
 		  template <typename _Digraph>
 		  struct BfsVisitor {
 		    typedef _Digraph Digraph;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::Node Node;
 		    void start(const Node&) {}
 		    void reach(const Node&) {}
 		    void process(const Node&) {}
 		    void discover(const Arc&) {}
 		    void examine(const Arc&) {}
 		    template <typename _Visitor>
 		    struct Constraints {
 		      void constraints() {
 		        Arc arc;
 		        Node node;
 		        visitor.start(node);
 		        visitor.reach(node);
 		        visitor.process(node);
 		        visitor.discover(arc);
 		        visitor.examine(arc);
+		      }
 		      _Visitor& visitor;
 		    };
 		  };
 		#endif
 		  /// \brief Default traits class of BfsVisit class.
 		  ///
 		  /// Default traits class of BfsVisit class.
 		  /// \tparam _Digraph The type of the digraph the algorithm runs on.
 		  template<class _Digraph>
 		  struct BfsVisitDefaultTraits {
 		    /// \brief The type of the digraph the algorithm runs on.
 		    typedef _Digraph Digraph;
 		    /// \brief The type of the map that indicates which nodes are reached.
 		    ///
 		    /// The type of the map that indicates which nodes are reached.
 		    /// It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
 		    typedef typename Digraph::template NodeMap<bool> ReachedMap;
 		    /// \brief Instantiates a \ref ReachedMap.
 		    ///
 		    /// This function instantiates a \ref ReachedMap.
 		    /// \param digraph is the digraph, to which
 		    /// we would like to define the \ref ReachedMap.
 		    static ReachedMap *createReachedMap(const Digraph &digraph) {
 		      return new ReachedMap(digraph);
+		    }
 		  };
 		  /// \ingroup search
 		  ///
 		  /// \brief %BFS algorithm class with visitor interface.
 		  ///
 		  /// This class provides an efficient implementation of the %BFS algorithm
 		  /// with visitor interface.
 		  ///
 		  /// The %BfsVisit class provides an alternative interface to the Bfs
 		  /// class. It works with callback mechanism, the BfsVisit object calls
 		  /// the member functions of the \c Visitor class on every BFS event.
 		  ///
 		  /// This interface of the BFS algorithm should be used in special cases
 		  /// when extra actions have to be performed in connection with certain
 		  /// events of the BFS algorithm. Otherwise consider to use Bfs or bfs()
 		  /// instead.
 		  ///
 		  /// \tparam _Digraph The type of the digraph the algorithm runs on.
 		  /// The default value is
 		  /// \ref ListDigraph. The value of _Digraph is not used directly by
 		  /// \ref BfsVisit, it is only passed to \ref BfsVisitDefaultTraits.
 		  /// \tparam _Visitor The Visitor type that is used by the algorithm.
 		  /// \ref BfsVisitor "BfsVisitor<_Digraph>" is an empty visitor, which
 		  /// does not observe the BFS events. If you want to observe the BFS
 		  /// events, you should implement your own visitor class.
 		  /// \tparam _Traits Traits class to set various data types used by the
 		  /// algorithm. The default traits class is
 		  /// \ref BfsVisitDefaultTraits "BfsVisitDefaultTraits<_Digraph>".
 		  /// See \ref BfsVisitDefaultTraits for the documentation of
 		  /// a BFS visit traits class.
 		#ifdef DOXYGEN
 		  template <typename _Digraph, typename _Visitor, typename _Traits>
 		#else
 		  template <typename _Digraph = ListDigraph,
 		            typename _Visitor = BfsVisitor<_Digraph>,
 		            typename _Traits = BfsDefaultTraits<_Digraph> >
 		#endif
 		  class BfsVisit {
 		  public:
 		    /// \brief \ref Exception for uninitialized parameters.
 		    ///
 		    /// This error represents problems in the initialization
 		    /// of the parameters of the algorithm.
 		    class UninitializedParameter : public lemon::UninitializedParameter {
 		    public:
 		      virtual const char* what() const throw()
+		      {
 		        return "lemon::BfsVisit::UninitializedParameter";
+		      }
 		    };
 		    ///The traits class.
 		    typedef _Traits Traits;
 		    ///The type of the digraph the algorithm runs on.
 		    typedef typename Traits::Digraph Digraph;
 		    ///The visitor type used by the algorithm.
 		    typedef _Visitor Visitor;
 		    ///The type of the map that indicates which nodes are reached.
 		    typedef typename Traits::ReachedMap ReachedMap;
 		  private:
 		    typedef typename Digraph::Node Node;
 		    typedef typename Digraph::NodeIt NodeIt;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::OutArcIt OutArcIt;
 		    //Pointer to the underlying digraph.
 		    const Digraph *_digraph;
 		    //Pointer to the visitor object.
 		    Visitor *_visitor;
 		    //Pointer to the map of reached status of the nodes.
 		    ReachedMap *_reached;
 		    //Indicates if _reached is locally allocated (true) or not.
 		    bool local_reached;
 		    std::vector<typename Digraph::Node> _list;
 		    int _list_front, _list_back;
 		    ///Creates the maps if necessary.
 		    ///\todo Better memory allocation (instead of new).
 		    void create_maps() {
 		      if(!_reached) {
 		        local_reached = true;
 		        _reached = Traits::createReachedMap(*_digraph);
+		      }
+		    }
 		  protected:
 		    BfsVisit() {}
 		  public:
 		    typedef BfsVisit Create;
 		    /// \name Named template parameters
 		    ///@{
 		    template <class T>
 		    struct SetReachedMapTraits : public Traits {
 		      typedef T ReachedMap;
 		      static ReachedMap *createReachedMap(const Digraph &digraph) {
 		        throw UninitializedParameter();
+		      }
 		    };
 		    /// \brief \ref named-templ-param "Named parameter" for setting
 		    /// ReachedMap type.
 		    ///
 		    /// \ref named-templ-param "Named parameter" for setting ReachedMap type.
 		    template <class T>
 		    struct SetReachedMap : public BfsVisit< Digraph, Visitor,
 		                                            SetReachedMapTraits<T> > {
 		      typedef BfsVisit< Digraph, Visitor, SetReachedMapTraits<T> > Create;
 		    };
 		    ///@}
 		  public:
 		    /// \brief Constructor.
 		    ///
 		    /// Constructor.
 		    ///
 		    /// \param digraph The digraph the algorithm runs on.
 		    /// \param visitor The visitor object of the algorithm.
 		    BfsVisit(const Digraph& digraph, Visitor& visitor)
 		      : _digraph(&digraph), _visitor(&visitor),
 		        _reached(0), local_reached(false) {}
 		    /// \brief Destructor.
 		    ~BfsVisit() {
 		      if(local_reached) delete _reached;
+		    }
 		    /// \brief Sets the map that indicates which nodes are reached.
 		    ///
 		    /// Sets the map that indicates which nodes are reached.
 		    /// If you don't use this function before calling \ref run(),
 		    /// it will allocate one. The destructor deallocates this
 		    /// automatically allocated map, of course.
 		    /// \return <tt> (*this) </tt>
 		    BfsVisit &reachedMap(ReachedMap &m) {
 		      if(local_reached) {
 		        delete _reached;
 		        local_reached = false;
+		      }
 		      _reached = &m;
 		      return *this;
+		    }
 		  public:
 		    /// \name Execution control
 		    /// The simplest way to execute the algorithm is to use
 		    /// one of the member functions called \ref lemon::BfsVisit::run()
 		    /// "run()".
 		    /// \n
 		    /// If you need more control on the execution, first you must call
 		    /// \ref lemon::BfsVisit::init() "init()", then you can add several
 		    /// source nodes with \ref lemon::BfsVisit::addSource() "addSource()".
 		    /// Finally \ref lemon::BfsVisit::start() "start()" will perform the
 		    /// actual path computation.
 		    /// @{
 		    /// \brief Initializes the internal data structures.
 		    ///
 		    /// Initializes the internal data structures.
 		    void init() {
 		      create_maps();
 		      _list.resize(countNodes(*_digraph));
 		      _list_front = _list_back = -1;
 		      for (NodeIt u(*_digraph) ; u != INVALID ; ++u) {
 		        _reached->set(u, false);
+		      }
+		    }
 		    /// \brief Adds a new source node.
 		    ///
 		    /// Adds a new source node to the set of nodes to be processed.
 		    void addSource(Node s) {
 		      if(!(*_reached)[s]) {
 		          _reached->set(s,true);
 		          _visitor->start(s);
 		          _visitor->reach(s);
 		          _list[++_list_back] = s;
+		        }
+		    }
 		    /// \brief Processes the next node.
 		    ///
 		    /// Processes the next node.
 		    ///
 		    /// \return The processed node.
 		    ///
 		    /// \pre The queue must not be empty.
 		    Node processNextNode() {
 		      Node n = _list[++_list_front];
 		      _visitor->process(n);
 		      Arc e;
 		      for (_digraph->firstOut(e, n); e != INVALID; _digraph->nextOut(e)) {
 		        Node m = _digraph->target(e);
 		        if (!(*_reached)[m]) {
 		          _visitor->discover(e);
 		          _visitor->reach(m);

lemon/bits/base_extender.h

Show inline comments

 		/* -*- 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.
+		 *
 		 */
 		#ifndef LEMON_BITS_BASE_EXTENDER_H
 		#define LEMON_BITS_BASE_EXTENDER_H
 		#include <lemon/core.h>
 		#include <lemon/error.h>
 		#include <lemon/bits/map_extender.h>
 		#include <lemon/bits/default_map.h>
 		#include <lemon/concept_check.h>
 		#include <lemon/concepts/maps.h>
 		///\ingroup digraphbits
 		///\file
 		///\brief Extenders for the digraph types
 		namespace lemon {
 		  /// \ingroup digraphbits
 		  ///
 		  /// \brief BaseDigraph to BaseGraph extender
 		  template <typename Base>
 		  class UndirDigraphExtender : public Base {
 		  public:
 		    typedef Base Parent;
 		    typedef typename Parent::Arc Edge;
 		    typedef typename Parent::Node Node;
 		    typedef True UndirectedTag;
 		    class Arc : public Edge {
 		      friend class UndirDigraphExtender;
 		    protected:
 		      bool forward;
 		      Arc(const Edge &ue, bool _forward) :
 		        Edge(ue), forward(_forward) {}
 		    public:
 		      Arc() {}
-		      /// Invalid arc constructor
 		      // Invalid arc constructor
 		      Arc(Invalid i) : Edge(i), forward(true) {}
 		      bool operator==(const Arc &that) const {
 		        return forward==that.forward && Edge(*this)==Edge(that);
+		      }
 		      bool operator!=(const Arc &that) const {
 		        return forward!=that.forward || Edge(*this)!=Edge(that);
+		      }
 		      bool operator<(const Arc &that) const {
 		        return forward<that.forward ||
 		          (!(that.forward<forward) && Edge(*this)<Edge(that));
+		      }
 		    };
 		    /// First node of the edge
 		    Node u(const Edge &e) const {
 		      return Parent::source(e);
+		    }
 		    using Parent::source;
 		    /// Source of the given Arc.
 		    /// Source of the given arc
 		    Node source(const Arc &e) const {
 		      return e.forward ? Parent::source(e) : Parent::target(e);
+		    }
-		    using Parent::target;
+		    /// Second node of the edge
 		    Node v(const Edge &e) const {
 		      return Parent::target(e);
+		    }
-		    /// Target of the given Arc.
+		    /// Target of the given arc
 		    Node target(const Arc &e) const {
 		      return e.forward ? Parent::target(e) : Parent::source(e);
+		    }
 		    /// \brief Directed arc from an edge.
 		    ///
 		    /// Returns a directed arc corresponding to the specified Edge.
 		    /// If the given bool is true the given edge and the
 		    /// returned arc have the same source node.
 		    static Arc direct(const Edge &ue, bool d) {
-		      return Arc(ue, d);
+		    /// Returns a directed arc corresponding to the specified edge.
 		    /// If the given bool is true, the first node of the given edge and
 		    /// the source node of the returned arc are the same.
 		    static Arc direct(const Edge &e, bool d) {
 		      return Arc(e, d);
+		    }
 		    /// Returns whether the given directed arc is same orientation as the
 		    /// corresponding edge.
 		    /// Returns whether the given directed arc has the same orientation
 		    /// as the corresponding edge.
 		    ///
 		    /// \todo reference to the corresponding point of the undirected digraph
 		    /// concept. "What does the direction of an edge mean?"
 		    static bool direction(const Arc &e) { return e.forward; }
 		    static bool direction(const Arc &a) { return a.forward; }
 		    using Parent::first;
 		    using Parent::next;
 		    void first(Arc &e) const {
 		      Parent::first(e);
 		      e.forward=true;
+		    }
 		    void next(Arc &e) const {
 		      if( e.forward ) {
 		        e.forward = false;
+		      }
 		      else {
 		        Parent::next(e);
 		        e.forward = true;
+		      }
+		    }
 		    void firstOut(Arc &e, const Node &n) const {
 		      Parent::firstIn(e,n);
 		      if( Edge(e) != INVALID ) {
 		        e.forward = false;
+		      }
 		      else {
 		        Parent::firstOut(e,n);
 		        e.forward = true;
+		      }
+		    }
 		    void nextOut(Arc &e) const {
 		      if( ! e.forward ) {
 		        Node n = Parent::target(e);
 		        Parent::nextIn(e);
 		        if( Edge(e) == INVALID ) {
 		          Parent::firstOut(e, n);
 		          e.forward = true;
+		        }
+		      }
 		      else {
 		        Parent::nextOut(e);
+		      }
+		    }
 		    void firstIn(Arc &e, const Node &n) const {
 		      Parent::firstOut(e,n);
 		      if( Edge(e) != INVALID ) {
 		        e.forward = false;
+		      }
 		      else {
 		        Parent::firstIn(e,n);
 		        e.forward = true;
+		      }
+		    }
 		    void nextIn(Arc &e) const {
 		      if( ! e.forward ) {
 		        Node n = Parent::source(e);
 		        Parent::nextOut(e);
 		        if( Edge(e) == INVALID ) {
 		          Parent::firstIn(e, n);
 		          e.forward = true;
+		        }
+		      }
 		      else {
 		        Parent::nextIn(e);
+		      }
+		    }
 		    void firstInc(Edge &e, bool &d, const Node &n) const {
 		      d = true;
 		      Parent::firstOut(e, n);
 		      if (e != INVALID) return;
 		      d = false;
 		      Parent::firstIn(e, n);
+		    }
 		    void nextInc(Edge &e, bool &d) const {
 		      if (d) {
 		        Node s = Parent::source(e);
 		        Parent::nextOut(e);
 		        if (e != INVALID) return;
 		        d = false;
 		        Parent::firstIn(e, s);
 		      } else {
 		        Parent::nextIn(e);
+		      }
+		    }
 		    Node nodeFromId(int ix) const {
 		      return Parent::nodeFromId(ix);
+		    }
 		    Arc arcFromId(int ix) const {
 		      return direct(Parent::arcFromId(ix >> 1), bool(ix & 1));
+		    }
 		    Edge edgeFromId(int ix) const {
 		      return Parent::arcFromId(ix);
+		    }
 		    int id(const Node &n) const {
 		      return Parent::id(n);
+		    }
 		    int id(const Edge &e) const {
 		      return Parent::id(e);
+		    }
 		    int id(const Arc &e) const {
 		      return 2 * Parent::id(e) + int(e.forward);
+		    }
 		    int maxNodeId() const {
 		      return Parent::maxNodeId();
+		    }
 		    int maxArcId() const {
 		      return 2 * Parent::maxArcId() + 1;
+		    }
 		    int maxEdgeId() const {
 		      return Parent::maxArcId();
+		    }
 		    int arcNum() const {
 		      return 2 * Parent::arcNum();
+		    }
 		    int edgeNum() const {
 		      return Parent::arcNum();
+		    }
 		    Arc findArc(Node s, Node t, Arc p = INVALID) const {
 		      if (p == INVALID) {
 		        Edge arc = Parent::findArc(s, t);
 		        if (arc != INVALID) return direct(arc, true);
 		        arc = Parent::findArc(t, s);
 		        if (arc != INVALID) return direct(arc, false);
 		      } else if (direction(p)) {
 		        Edge arc = Parent::findArc(s, t, p);
 		        if (arc != INVALID) return direct(arc, true);
 		        arc = Parent::findArc(t, s);
 		        if (arc != INVALID) return direct(arc, false);
 		      } else {
 		        Edge arc = Parent::findArc(t, s, p);
 		        if (arc != INVALID) return direct(arc, false);
+		      }
 		      return INVALID;
+		    }
 		    Edge findEdge(Node s, Node t, Edge p = INVALID) const {
 		      if (s != t) {
 		        if (p == INVALID) {
 		          Edge arc = Parent::findArc(s, t);
 		          if (arc != INVALID) return arc;
 		          arc = Parent::findArc(t, s);
 		          if (arc != INVALID) return arc;
 		        } else if (Parent::s(p) == s) {
 		          Edge arc = Parent::findArc(s, t, p);
 		          if (arc != INVALID) return arc;
 		          arc = Parent::findArc(t, s);
 		          if (arc != INVALID) return arc;
 		        } else {
 		          Edge arc = Parent::findArc(t, s, p);
 		          if (arc != INVALID) return arc;
+		        }
 		      } else {
 		        return Parent::findArc(s, t, p);
+		      }
 		      return INVALID;
+		    }
 		  };
 		  template <typename Base>
 		  class BidirBpGraphExtender : public Base {
 		  public:
 		    typedef Base Parent;
 		    typedef BidirBpGraphExtender Digraph;
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Edge Edge;
 		    using Parent::first;
 		    using Parent::next;
 		    using Parent::id;
 		    class Red : public Node {
 		      friend class BidirBpGraphExtender;
 		    public:
 		      Red() {}
 		      Red(const Node& node) : Node(node) {
 		        LEMON_ASSERT(Parent::red(node) || node == INVALID,
 		                     typename Parent::NodeSetError());
+		      }
 		      Red& operator=(const Node& node) {
 		        LEMON_ASSERT(Parent::red(node) || node == INVALID,
 		                     typename Parent::NodeSetError());
 		        Node::operator=(node);
 		        return *this;
+		      }
 		      Red(Invalid) : Node(INVALID) {}
 		      Red& operator=(Invalid) {
 		        Node::operator=(INVALID);
 		        return *this;
+		      }
 		    };
 		    void first(Red& node) const {
 		      Parent::firstRed(static_cast<Node&>(node));
+		    }
 		    void next(Red& node) const {
 		      Parent::nextRed(static_cast<Node&>(node));
+		    }
 		    int id(const Red& node) const {
 		      return Parent::redId(node);
+		    }
 		    class Blue : public Node {
 		      friend class BidirBpGraphExtender;
 		    public:
 		      Blue() {}
 		      Blue(const Node& node) : Node(node) {
 		        LEMON_ASSERT(Parent::blue(node) || node == INVALID,
 		                     typename Parent::NodeSetError());
+		      }
 		      Blue& operator=(const Node& node) {
 		        LEMON_ASSERT(Parent::blue(node) || node == INVALID,
 		                     typename Parent::NodeSetError());
 		        Node::operator=(node);
 		        return *this;
+		      }
 		      Blue(Invalid) : Node(INVALID) {}
 		      Blue& operator=(Invalid) {
 		        Node::operator=(INVALID);
 		        return *this;
+		      }
 		    };
 		    void first(Blue& node) const {
 		      Parent::firstBlue(static_cast<Node&>(node));
+		    }
 		    void next(Blue& node) const {
 		      Parent::nextBlue(static_cast<Node&>(node));
+		    }
 		    int id(const Blue& node) const {
 		      return Parent::redId(node);
+		    }
 		    Node source(const Edge& arc) const {
 		      return red(arc);
+		    }
 		    Node target(const Edge& arc) const {
 		      return blue(arc);
+		    }
 		    void firstInc(Edge& arc, bool& dir, const Node& node) const {
 		      if (Parent::red(node)) {
 		        Parent::firstFromRed(arc, node);
 		        dir = true;
 		      } else {
 		        Parent::firstFromBlue(arc, node);
 		        dir = static_cast<Edge&>(arc) == INVALID;
+		      }
+		    }
 		    void nextInc(Edge& arc, bool& dir) const {
 		      if (dir) {
 		        Parent::nextFromRed(arc);
 		      } else {
 		        Parent::nextFromBlue(arc);
 		        if (arc == INVALID) dir = true;
+		      }
+		    }
 		    class Arc : public Edge {
 		      friend class BidirBpGraphExtender;
 		    protected:
 		      bool forward;
 		      Arc(const Edge& arc, bool _forward)
 		        : Edge(arc), forward(_forward) {}
 		    public:
 		      Arc() {}
 		      Arc (Invalid) : Edge(INVALID), forward(true) {}
 		      bool operator==(const Arc& i) const {
 		        return Edge::operator==(i) && forward == i.forward;
+		      }
 		      bool operator!=(const Arc& i) const {
 		        return Edge::operator!=(i) || forward != i.forward;
+		      }
 		      bool operator<(const Arc& i) const {
 		        return Edge::operator<(i) ||
 		          (!(i.forward<forward) && Edge(*this)<Edge(i));
+		      }
 		    };
 		    void first(Arc& arc) const {
 		      Parent::first(static_cast<Edge&>(arc));
 		      arc.forward = true;
+		    }
 		    void next(Arc& arc) const {
 		      if (!arc.forward) {
 		        Parent::next(static_cast<Edge&>(arc));
+		      }
 		      arc.forward = !arc.forward;
+		    }
 		    void firstOut(Arc& arc, const Node& node) const {
 		      if (Parent::red(node)) {
 		        Parent::firstFromRed(arc, node);
 		        arc.forward = true;

lemon/dfs.h

Show inline comments

@@ -1019,384 +1019,389 @@
 		    template<class T>
 		    struct SetReachedMapBase : public Base {
 		      typedef T ReachedMap;
 		      static ReachedMap *createReachedMap(const Digraph &) { return 0; };
 		      SetReachedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref ReachedMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref ReachedMap object.
 		    template<class T>
 		    DfsWizard<SetReachedMapBase<T> > reachedMap(const T &t)
+		    {
 		      Base::_reached=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DfsWizard<SetReachedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetProcessedMapBase : public Base {
 		      typedef T ProcessedMap;
 		      static ProcessedMap *createProcessedMap(const Digraph &) { return 0; };
 		      SetProcessedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref ProcessedMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref ProcessedMap object.
 		    template<class T>
 		    DfsWizard<SetProcessedMapBase<T> > processedMap(const T &t)
+		    {
 		      Base::_processed=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DfsWizard<SetProcessedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetDistMapBase : public Base {
 		      typedef T DistMap;
 		      static DistMap *createDistMap(const Digraph &) { return 0; };
 		      SetDistMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref DistMap object.
 		    ///
 		    ///\ref named-templ-param "Named parameter"
 		    ///for setting \ref DistMap object.
 		    template<class T>
 		    DfsWizard<SetDistMapBase<T> > distMap(const T &t)
+		    {
 		      Base::_dist=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DfsWizard<SetDistMapBase<T> >(*this);
+		    }
 		  };
 		  ///Function type interface for Dfs algorithm.
 		  ///\ingroup search
 		  ///Function type interface for Dfs algorithm.
 		  ///
 		  ///This function also has several
 		  ///\ref named-templ-func-param "named parameters",
 		  ///they are declared as the members of class \ref DfsWizard.
 		  ///The following
 		  ///example shows how to use these parameters.
 		  ///\code
 		  ///  dfs(g,source).predMap(preds).run();
 		  ///\endcode
 		  ///\warning Don't forget to put the \ref DfsWizard::run() "run()"
 		  ///to the end of the parameter list.
 		  ///\sa DfsWizard
 		  ///\sa Dfs
 		  template<class GR>
 		  DfsWizard<DfsWizardBase<GR> >
 		  dfs(const GR &g,typename GR::Node s=INVALID)
+		  {
 		    return DfsWizard<DfsWizardBase<GR> >(g,s);
+		  }
 		#ifdef DOXYGEN
 		  /// \brief Visitor class for DFS.
 		  ///
 		  /// This class defines the interface of the DfsVisit events, and
 		  /// it could be the base of a real visitor class.
 		  template <typename _Digraph>
 		  struct DfsVisitor {
 		    typedef _Digraph Digraph;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::Node Node;
 		    /// \brief Called for the source node of the DFS.
 		    ///
 		    /// This function is called for the source node of the DFS.
 		    void start(const Node& node) {}
 		    /// \brief Called when the source node is leaved.
 		    ///
 		    /// This function is called when the source node is leaved.
 		    void stop(const Node& node) {}
 		    /// \brief Called when a node is reached first time.
 		    ///
 		    /// This function is called when a node is reached first time.
 		    void reach(const Node& node) {}
 		    /// \brief Called when an arc reaches a new node.
 		    ///
 		    /// This function is called when the DFS finds an arc whose target node
 		    /// is not reached yet.
 		    void discover(const Arc& arc) {}
 		    /// \brief Called when an arc is examined but its target node is
 		    /// already discovered.
 		    ///
 		    /// This function is called when an arc is examined but its target node is
 		    /// already discovered.
 		    void examine(const Arc& arc) {}
 		    /// \brief Called when the DFS steps back from a node.
 		    ///
 		    /// This function is called when the DFS steps back from a node.
 		    void leave(const Node& node) {}
 		    /// \brief Called when the DFS steps back on an arc.
 		    ///
 		    /// This function is called when the DFS steps back on an arc.
 		    void backtrack(const Arc& arc) {}
 		  };
 		#else
 		  template <typename _Digraph>
 		  struct DfsVisitor {
 		    typedef _Digraph Digraph;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::Node Node;
 		    void start(const Node&) {}
 		    void stop(const Node&) {}
 		    void reach(const Node&) {}
 		    void discover(const Arc&) {}
 		    void examine(const Arc&) {}
 		    void leave(const Node&) {}
 		    void backtrack(const Arc&) {}
 		    template <typename _Visitor>
 		    struct Constraints {
 		      void constraints() {
 		        Arc arc;
 		        Node node;
 		        visitor.start(node);
 		        visitor.stop(arc);
 		        visitor.reach(node);
 		        visitor.discover(arc);
 		        visitor.examine(arc);
 		        visitor.leave(node);
 		        visitor.backtrack(arc);
+		      }
 		      _Visitor& visitor;
 		    };
 		  };
 		#endif
 		  /// \brief Default traits class of DfsVisit class.
 		  ///
 		  /// Default traits class of DfsVisit class.
 		  /// \tparam _Digraph The type of the digraph the algorithm runs on.
 		  template<class _Digraph>
 		  struct DfsVisitDefaultTraits {
 		    /// \brief The type of the digraph the algorithm runs on.
 		    typedef _Digraph Digraph;
 		    /// \brief The type of the map that indicates which nodes are reached.
 		    ///
 		    /// The type of the map that indicates which nodes are reached.
 		    /// It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
 		    typedef typename Digraph::template NodeMap<bool> ReachedMap;
 		    /// \brief Instantiates a \ref ReachedMap.
 		    ///
 		    /// This function instantiates a \ref ReachedMap.
 		    /// \param digraph is the digraph, to which
 		    /// we would like to define the \ref ReachedMap.
 		    static ReachedMap *createReachedMap(const Digraph &digraph) {
 		      return new ReachedMap(digraph);
+		    }
 		  };
 		  /// \ingroup search
 		  ///
 		  /// \brief %DFS algorithm class with visitor interface.
 		  ///
 		  /// This class provides an efficient implementation of the %DFS algorithm
 		  /// with visitor interface.
 		  ///
 		  /// The %DfsVisit class provides an alternative interface to the Dfs
 		  /// class. It works with callback mechanism, the DfsVisit object calls
 		  /// the member functions of the \c Visitor class on every DFS event.
 		  ///
 		  /// This interface of the DFS algorithm should be used in special cases
 		  /// when extra actions have to be performed in connection with certain
 		  /// events of the DFS algorithm. Otherwise consider to use Dfs or dfs()
 		  /// instead.
 		  ///
 		  /// \tparam _Digraph The type of the digraph the algorithm runs on.
 		  /// The default value is
 		  /// \ref ListDigraph. The value of _Digraph is not used directly by
 		  /// \ref DfsVisit, it is only passed to \ref DfsVisitDefaultTraits.
 		  /// \tparam _Visitor The Visitor type that is used by the algorithm.
 		  /// \ref DfsVisitor "DfsVisitor<_Digraph>" is an empty visitor, which
 		  /// does not observe the DFS events. If you want to observe the DFS
 		  /// events, you should implement your own visitor class.
 		  /// \tparam _Traits Traits class to set various data types used by the
 		  /// algorithm. The default traits class is
 		  /// \ref DfsVisitDefaultTraits "DfsVisitDefaultTraits<_Digraph>".
 		  /// See \ref DfsVisitDefaultTraits for the documentation of
 		  /// a DFS visit traits class.
 		#ifdef DOXYGEN
 		  template <typename _Digraph, typename _Visitor, typename _Traits>
 		#else
 		  template <typename _Digraph = ListDigraph,
 		            typename _Visitor = DfsVisitor<_Digraph>,
 		            typename _Traits = DfsDefaultTraits<_Digraph> >
 		#endif
 		  class DfsVisit {
 		  public:
 		    /// \brief \ref Exception for uninitialized parameters.
 		    ///
 		    /// This error represents problems in the initialization
 		    /// of the parameters of the algorithm.
 		    class UninitializedParameter : public lemon::UninitializedParameter {
 		    public:
 		      virtual const char* what() const throw()
+		      {
 		        return "lemon::DfsVisit::UninitializedParameter";
+		      }
 		    };
 		    ///The traits class.
 		    typedef _Traits Traits;
 		    ///The type of the digraph the algorithm runs on.
 		    typedef typename Traits::Digraph Digraph;
 		    ///The visitor type used by the algorithm.
 		    typedef _Visitor Visitor;
 		    ///The type of the map that indicates which nodes are reached.
 		    typedef typename Traits::ReachedMap ReachedMap;
 		  private:
 		    typedef typename Digraph::Node Node;
 		    typedef typename Digraph::NodeIt NodeIt;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::OutArcIt OutArcIt;
 		    //Pointer to the underlying digraph.
 		    const Digraph *_digraph;
 		    //Pointer to the visitor object.
 		    Visitor *_visitor;
 		    //Pointer to the map of reached status of the nodes.
 		    ReachedMap *_reached;
 		    //Indicates if _reached is locally allocated (true) or not.
 		    bool local_reached;
 		    std::vector<typename Digraph::Arc> _stack;
 		    int _stack_head;
 		    ///Creates the maps if necessary.
 		    ///\todo Better memory allocation (instead of new).
 		    void create_maps() {
 		      if(!_reached) {
 		        local_reached = true;
 		        _reached = Traits::createReachedMap(*_digraph);
+		      }
+		    }
 		  protected:
 		    DfsVisit() {}
 		  public:
 		    typedef DfsVisit Create;
 		    /// \name Named template parameters
 		    ///@{
 		    template <class T>
 		    struct SetReachedMapTraits : public Traits {
 		      typedef T ReachedMap;
 		      static ReachedMap *createReachedMap(const Digraph &digraph) {
 		        throw UninitializedParameter();
+		      }
 		    };
 		    /// \brief \ref named-templ-param "Named parameter" for setting
 		    /// ReachedMap type.
 		    ///
 		    /// \ref named-templ-param "Named parameter" for setting ReachedMap type.
 		    template <class T>
 		    struct SetReachedMap : public DfsVisit< Digraph, Visitor,
 		                                            SetReachedMapTraits<T> > {
 		      typedef DfsVisit< Digraph, Visitor, SetReachedMapTraits<T> > Create;
 		    };
 		    ///@}
 		  public:
 		    /// \brief Constructor.
 		    ///
 		    /// Constructor.
 		    ///
 		    /// \param digraph The digraph the algorithm runs on.
 		    /// \param visitor The visitor object of the algorithm.
 		    DfsVisit(const Digraph& digraph, Visitor& visitor)
 		      : _digraph(&digraph), _visitor(&visitor),
 		        _reached(0), local_reached(false) {}
 		    /// \brief Destructor.
 		    ~DfsVisit() {
 		      if(local_reached) delete _reached;
+		    }
 		    /// \brief Sets the map that indicates which nodes are reached.
 		    ///
 		    /// Sets the map that indicates which nodes are reached.
 		    /// If you don't use this function before calling \ref run(),
 		    /// it will allocate one. The destructor deallocates this
 		    /// automatically allocated map, of course.
 		    /// \return <tt> (*this) </tt>
 		    DfsVisit &reachedMap(ReachedMap &m) {
 		      if(local_reached) {
 		        delete _reached;
 		        local_reached=false;
+		      }
 		      _reached = &m;
 		      return *this;
+		    }
 		  public:
 		    /// \name Execution control
 		    /// The simplest way to execute the algorithm is to use
 		    /// one of the member functions called \ref lemon::DfsVisit::run()
 		    /// "run()".
 		    /// \n
 		    /// If you need more control on the execution, first you must call
 		    /// \ref lemon::DfsVisit::init() "init()", then you can add several
 		    /// source nodes with \ref lemon::DfsVisit::addSource() "addSource()".
 		    /// Finally \ref lemon::DfsVisit::start() "start()" will perform the
 		    /// actual path computation.
 		    /// @{
 		    /// \brief Initializes the internal data structures.
 		    ///
 		    /// Initializes the internal data structures.
 		    void init() {
 		      create_maps();
 		      _stack.resize(countNodes(*_digraph));
 		      _stack_head = -1;
 		      for (NodeIt u(*_digraph) ; u != INVALID ; ++u) {
 		        _reached->set(u, false);
+		      }
+		    }
 		    ///Adds a new source node.
 		    ///Adds a new source node to the set of nodes to be processed.
 		    ///
 		    ///\pre The stack must be empty. (Otherwise the algorithm gives
 		    ///false results.)
 		    ///
 		    ///\warning Distances will be wrong (or at least strange) in case of
 		    ///multiple sources.
 		    void addSource(Node s)
+		    {
 		      LEMON_DEBUG(emptyQueue(), "The stack is not empty.");
 		      if(!(*_reached)[s]) {
 		          _reached->set(s,true);
 		          _visitor->start(s);
 		          _visitor->reach(s);
 		          Arc e;
 		          _digraph->firstOut(e, s);
 		          if (e != INVALID) {
 		            _stack[++_stack_head] = e;
 		          } else {
 		            _visitor->leave(s);
+		          }
+		        }
+		    }
 		    /// \brief Processes the next arc.
 		    ///

lemon/dijkstra.h

Show inline comments

@@ -878,405 +878,411 @@
 		    ///\brief Returns a const reference to the node map that stores the
 		    ///distances of the nodes.
 		    ///
 		    ///Returns a const reference to the node map that stores the distances
 		    ///of the nodes calculated by the algorithm.
 		    ///
 		    ///\pre Either \ref run() or \ref init()
 		    ///must be called before using this function.
 		    const DistMap &distMap() const { return *_dist;}
 		    ///\brief Returns a const reference to the node map that stores the
 		    ///predecessor arcs.
 		    ///
 		    ///Returns a const reference to the node map that stores the predecessor
 		    ///arcs, which form the shortest path tree.
 		    ///
 		    ///\pre Either \ref run() or \ref init()
 		    ///must be called before using this function.
 		    const PredMap &predMap() const { return *_pred;}
 		    ///Checks if a node is reachable from the root(s).
 		    ///Returns \c true if \c v is reachable from the root(s).
 		    ///\pre Either \ref run() or \ref start()
 		    ///must be called before using this function.
 		    bool reached(Node v) const { return (*_heap_cross_ref)[v] !=
 		                                        Heap::PRE_HEAP; }
 		    ///Checks if a node is processed.
 		    ///Returns \c true if \c v is processed, i.e. the shortest
 		    ///path to \c v has already found.
 		    ///\pre Either \ref run() or \ref start()
 		    ///must be called before using this function.
 		    bool processed(Node v) const { return (*_heap_cross_ref)[v] ==
 		                                          Heap::POST_HEAP; }
 		    ///The current distance of a node from the root(s).
 		    ///Returns the current distance of a node from the root(s).
 		    ///It may be decreased in the following processes.
 		    ///\pre \c v should be reached but not processed.
 		    Value currentDist(Node v) const { return (*_heap)[v]; }
 		    ///@}
 		  };
 		  ///Default traits class of dijkstra() function.
 		  ///Default traits class of dijkstra() function.
 		  ///\tparam GR The type of the digraph.
 		  ///\tparam LM The type of the length map.
 		  template<class GR, class LM>
 		  struct DijkstraWizardDefaultTraits
+		  {
 		    ///The type of the digraph the algorithm runs on.
 		    typedef GR Digraph;
 		    ///The type of the map that stores the arc lengths.
 		    ///The type of the map that stores the arc lengths.
 		    ///It must meet the \ref concepts::ReadMap "ReadMap" concept.
 		    typedef LM LengthMap;
 		    ///The type of the length of the arcs.
 		    typedef typename LM::Value Value;
 		    /// Operation traits for Dijkstra algorithm.
 		    /// This class defines the operations that are used in the algorithm.
 		    /// \see DijkstraDefaultOperationTraits
 		    typedef DijkstraDefaultOperationTraits<Value> OperationTraits;
 		    /// The cross reference type used by the heap.
 		    /// The cross reference type used by the heap.
 		    /// Usually it is \c Digraph::NodeMap<int>.
 		    typedef typename Digraph::template NodeMap<int> HeapCrossRef;
 		    ///Instantiates a \ref HeapCrossRef.
 		    ///This function instantiates a \ref HeapCrossRef.
 		    /// \param g is the digraph, to which we would like to define the
 		    /// HeapCrossRef.
 		    /// \todo The digraph alone may be insufficient for the initialization
 		    static HeapCrossRef *createHeapCrossRef(const Digraph &g)
+		    {
 		      return new HeapCrossRef(g);
+		    }
 		    ///The heap type used by the Dijkstra algorithm.
 		    ///The heap type used by the Dijkstra algorithm.
 		    ///
 		    ///\sa BinHeap
 		    ///\sa Dijkstra
 		    typedef BinHeap<Value, typename Digraph::template NodeMap<int>,
 		                    std::less<Value> > Heap;
 		    ///Instantiates a \ref Heap.
 		    ///This function instantiates a \ref Heap.
 		    /// \param r is the HeapCrossRef which is used.
 		    static Heap *createHeap(HeapCrossRef& r)
+		    {
 		      return new Heap(r);
+		    }
 		    ///\brief The type of the map that stores the predecessor
 		    ///arcs of the shortest paths.
 		    ///
 		    ///The type of the map that stores the predecessor
 		    ///arcs of the shortest paths.
 		    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
 		    typedef NullMap <typename Digraph::Node,typename Digraph::Arc> PredMap;
 		    ///Instantiates a \ref PredMap.
 		    ///This function instantiates a \ref PredMap.
 		    ///\param g is the digraph, to which we would like to define the
 		    ///\ref PredMap.
 		    ///\todo The digraph alone may be insufficient to initialize
 		#ifdef DOXYGEN
 		    static PredMap *createPredMap(const Digraph &g)
 		#else
 		    static PredMap *createPredMap(const Digraph &)
 		#endif
+		    {
 		      return new PredMap();
+		    }
 		    ///The type of the map that indicates which nodes are processed.
 		    ///The type of the map that indicates which nodes are processed.
 		    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
 		    ///By default it is a NullMap.
 		    ///\todo If it is set to a real map,
 		    ///Dijkstra::processed() should read this.
 		    ///\todo named parameter to set this type, function to read and write.
 		    typedef NullMap<typename Digraph::Node,bool> ProcessedMap;
 		    ///Instantiates a \ref ProcessedMap.
 		    ///This function instantiates a \ref ProcessedMap.
 		    ///\param g is the digraph, to which
 		    ///we would like to define the \ref ProcessedMap.
 		#ifdef DOXYGEN
 		    static ProcessedMap *createProcessedMap(const Digraph &g)
 		#else
 		    static ProcessedMap *createProcessedMap(const Digraph &)
 		#endif
+		    {
 		      return new ProcessedMap();
+		    }
 		    ///The type of the map that stores the distances of the nodes.
 		    ///The type of the map that stores the distances of the nodes.
 		    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
 		    typedef NullMap<typename Digraph::Node,Value> DistMap;
 		    ///Instantiates a \ref DistMap.
 		    ///This function instantiates a \ref DistMap.
 		    ///\param g is the digraph, to which we would like to define
 		    ///the \ref DistMap
 		#ifdef DOXYGEN
 		    static DistMap *createDistMap(const Digraph &g)
 		#else
 		    static DistMap *createDistMap(const Digraph &)
 		#endif
+		    {
 		      return new DistMap();
+		    }
 		  };
 		  /// Default traits class used by \ref DijkstraWizard
 		  /// To make it easier to use Dijkstra algorithm
 		  /// we have created a wizard class.
 		  /// This \ref DijkstraWizard class needs default traits,
 		  /// as well as the \ref Dijkstra class.
 		  /// The \ref DijkstraWizardBase is a class to be the default traits of the
 		  /// \ref DijkstraWizard class.
 		  /// \todo More named parameters are required...
 		  template<class GR,class LM>
 		  class DijkstraWizardBase : public DijkstraWizardDefaultTraits<GR,LM>
+		  {
 		    typedef DijkstraWizardDefaultTraits<GR,LM> Base;
 		  protected:
 		    //The type of the nodes in the digraph.
 		    typedef typename Base::Digraph::Node Node;
 		    //Pointer to the digraph the algorithm runs on.
 		    void *_g;
 		    //Pointer to the length map
 		    void *_length;
 		    //Pointer to the map of processed nodes.
 		    void *_processed;
 		    //Pointer to the map of predecessors arcs.
 		    void *_pred;
 		    //Pointer to the map of distances.
 		    void *_dist;
 		    //Pointer to the source node.
 		    Node _source;
 		  public:
 		    /// Constructor.
 		    /// This constructor does not require parameters, therefore it initiates
 		    /// all of the attributes to default values (0, INVALID).
 		    DijkstraWizardBase() : _g(0), _length(0), _pred(0),
+		    DijkstraWizardBase() : _g(0), _length(0), _processed(0), _pred(0),
 		                           _dist(0), _source(INVALID) {}
 		    /// Constructor.
 		    /// This constructor requires some parameters,
 		    /// listed in the parameters list.
 		    /// Others are initiated to 0.
 		    /// \param g The digraph the algorithm runs on.
 		    /// \param l The length map.
 		    /// \param s The source node.
 		    DijkstraWizardBase(const GR &g,const LM &l, Node s=INVALID) :
 		      _g(reinterpret_cast<void*>(const_cast<GR*>(&g))),
 		      _length(reinterpret_cast<void*>(const_cast<LM*>(&l))),
 		      _pred(0), _dist(0), _source(s) {}
+		      _processed(0), _pred(0), _dist(0), _source(s) {}
 		  };
 		  /// Auxiliary class for the function type interface of Dijkstra algorithm.
 		  /// This auxiliary class is created to implement the function type
 		  /// interface of \ref Dijkstra algorithm. It uses the functions and features
 		  /// of the plain \ref Dijkstra, but it is much simpler to use it.
 		  /// It should only be used through the \ref dijkstra() function, which makes
 		  /// it easier to use the algorithm.
 		  ///
 		  /// Simplicity means that the way to change the types defined
 		  /// in the traits class is based on functions that returns the new class
 		  /// and not on templatable built-in classes.
 		  /// When using the plain \ref Dijkstra
 		  /// the new class with the modified type comes from
 		  /// the original class by using the ::
 		  /// operator. In the case of \ref DijkstraWizard only
 		  /// a function have to be called, and it will
 		  /// return the needed class.
 		  ///
 		  /// It does not have own \ref run() method. When its \ref run() method
 		  /// is called, it initiates a plain \ref Dijkstra object, and calls the
 		  /// \ref Dijkstra::run() method of it.
 		  template<class TR>
 		  class DijkstraWizard : public TR
+		  {
 		    typedef TR Base;
 		    ///The type of the digraph the algorithm runs on.
 		    typedef typename TR::Digraph Digraph;
 		    typedef typename Digraph::Node Node;
 		    typedef typename Digraph::NodeIt NodeIt;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::OutArcIt OutArcIt;
 		    ///The type of the map that stores the arc lengths.
 		    typedef typename TR::LengthMap LengthMap;
 		    ///The type of the length of the arcs.
 		    typedef typename LengthMap::Value Value;
 		    ///\brief The type of the map that stores the predecessor
 		    ///arcs of the shortest paths.
 		    typedef typename TR::PredMap PredMap;
 		    ///The type of the map that stores the distances of the nodes.
 		    typedef typename TR::DistMap DistMap;
 		    ///The type of the map that indicates which nodes are processed.
 		    typedef typename TR::ProcessedMap ProcessedMap;
 		    ///The heap type used by the dijkstra algorithm.
 		    typedef typename TR::Heap Heap;
 		  public:
 		    /// Constructor.
 		    DijkstraWizard() : TR() {}
 		    /// Constructor that requires parameters.
 		    /// Constructor that requires parameters.
 		    /// These parameters will be the default values for the traits class.
 		    DijkstraWizard(const Digraph &g,const LengthMap &l, Node s=INVALID) :
 		      TR(g,l,s) {}
 		    ///Copy constructor
 		    DijkstraWizard(const TR &b) : TR(b) {}
 		    ~DijkstraWizard() {}
 		    ///Runs Dijkstra algorithm from a source node.
 		    ///Runs Dijkstra algorithm from a source node.
 		    ///The node can be given with the \ref source() function.
 		    void run()
+		    {
 		      if(Base::_source==INVALID) throw UninitializedParameter();
 		      Dijkstra<Digraph,LengthMap,TR>
 		        dij(*reinterpret_cast<const Digraph*>(Base::_g),
 		            *reinterpret_cast<const LengthMap*>(Base::_length));
 		      if(Base::_pred) dij.predMap(*reinterpret_cast<PredMap*>(Base::_pred));
 		      if(Base::_dist) dij.distMap(*reinterpret_cast<DistMap*>(Base::_dist));
 		      if(Base::_processed)
 		        dij.processedMap(*reinterpret_cast<ProcessedMap*>(Base::_processed));
 		      if(Base::_pred)
 		        dij.predMap(*reinterpret_cast<PredMap*>(Base::_pred));
 		      if(Base::_dist)
 		        dij.distMap(*reinterpret_cast<DistMap*>(Base::_dist));
 		      dij.run(Base::_source);
+		    }
 		    ///Runs Dijkstra algorithm from the given node.
 		    ///Runs Dijkstra algorithm from the given node.
 		    ///\param s is the given source.
 		    void run(Node s)
+		    {
 		      Base::_source=s;
 		      run();
+		    }
 		    /// Sets the source node, from which the Dijkstra algorithm runs.
 		    /// Sets the source node, from which the Dijkstra algorithm runs.
 		    /// \param s is the source node.
 		    DijkstraWizard<TR> &source(Node s)
+		    {
 		      Base::_source=s;
 		      return *this;
+		    }
 		    template<class T>
 		    struct SetPredMapBase : public Base {
 		      typedef T PredMap;
 		      static PredMap *createPredMap(const Digraph &) { return 0; };
 		      SetPredMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref PredMap object.
 		    ///
 		    ///\ref named-templ-param "Named parameter"
 		    ///for setting \ref PredMap object.
 		    template<class T>
 		    DijkstraWizard<SetPredMapBase<T> > predMap(const T &t)
+		    {
 		      Base::_pred=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DijkstraWizard<SetPredMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetProcessedMapBase : public Base {
 		      typedef T ProcessedMap;
 		      static ProcessedMap *createProcessedMap(const Digraph &) { return 0; };
 		      SetProcessedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref ProcessedMap object.
 		    ///
 		    /// \ref named-templ-param "Named parameter"
 		    ///for setting \ref ProcessedMap object.
 		    template<class T>
 		    DijkstraWizard<SetProcessedMapBase<T> > processedMap(const T &t)
+		    {
 		      Base::_processed=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DijkstraWizard<SetProcessedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetDistMapBase : public Base {
 		      typedef T DistMap;
 		      static DistMap *createDistMap(const Digraph &) { return 0; };
 		      SetDistMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter"
 		    ///for setting \ref DistMap object.
 		    ///
 		    ///\ref named-templ-param "Named parameter"
 		    ///for setting \ref DistMap object.
 		    template<class T>
 		    DijkstraWizard<SetDistMapBase<T> > distMap(const T &t)
+		    {
 		      Base::_dist=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DijkstraWizard<SetDistMapBase<T> >(*this);
+		    }
 		  };
 		  ///Function type interface for Dijkstra algorithm.
 		  /// \ingroup shortest_path
 		  ///Function type interface for Dijkstra algorithm.
 		  ///
 		  ///This function also has several
 		  ///\ref named-templ-func-param "named parameters",
 		  ///they are declared as the members of class \ref DijkstraWizard.
 		  ///The following
 		  ///example shows how to use these parameters.
 		  ///\code
 		  ///  dijkstra(g,length,source).predMap(preds).run();
 		  ///\endcode
 		  ///\warning Don't forget to put the \ref DijkstraWizard::run() "run()"
 		  ///to the end of the parameter list.
 		  ///\sa DijkstraWizard
 		  ///\sa Dijkstra
 		  template<class GR, class LM>
 		  DijkstraWizard<DijkstraWizardBase<GR,LM> >
 		  dijkstra(const GR &g,const LM &l,typename GR::Node s=INVALID)
+		  {
 		    return DijkstraWizard<DijkstraWizardBase<GR,LM> >(g,l,s);
+		  }
 		} //END OF NAMESPACE LEMON
 		#endif

lemon/dim2.h

Show inline comments

 		/* -*- 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.
+		 *
 		 */
 		#ifndef LEMON_DIM2_H
 		#define LEMON_DIM2_H
 		#include <iostream>
 		///\ingroup misc
 		///\file
 		///\brief A simple two dimensional vector and a bounding box implementation
 		///
 		/// The class \ref lemon::dim2::Point "dim2::Point" implements
 		/// a two dimensional vector with the usual operations.
 		///
 		/// The class \ref lemon::dim2::BoundingBox "dim2::BoundingBox"
 		/// can be used to determine
 		/// The class \ref lemon::dim2::Box "dim2::Box" can be used to determine
 		/// the rectangular bounding box of a set of
 		/// \ref lemon::dim2::Point "dim2::Point"'s.
 		namespace lemon {
 		  ///Tools for handling two dimensional coordinates
 		  ///This namespace is a storage of several
 		  ///tools for handling two dimensional coordinates
 		  namespace dim2 {
 		  /// \addtogroup misc
 		  /// @{
-		  /// A simple two dimensional vector (plain vector) implementation
+		  /// Two dimensional vector (plain vector)
 		  /// A simple two dimensional vector (plain vector) implementation
 		  /// with the usual vector operations.
 		  template<typename T>
 		    class Point {
 		    public:
 		      typedef T Value;
 		      ///First coordinate
 		      T x;
 		      ///Second coordinate
 		      T y;
 		      ///Default constructor
 		      Point() {}
 		      ///Construct an instance from coordinates
 		      Point(T a, T b) : x(a), y(b) { }
 		      ///Returns the dimension of the vector (i.e. returns 2).
 		      ///The dimension of the vector.
 		      ///This function always returns 2.
 		      int size() const { return 2; }
 		      ///Subscripting operator
 		      ///\c p[0] is \c p.x and \c p[1] is \c p.y
 		      ///
 		      T& operator[](int idx) { return idx == 0 ? x : y; }
 		      ///Const subscripting operator
 		      ///\c p[0] is \c p.x and \c p[1] is \c p.y
 		      ///
 		      const T& operator[](int idx) const { return idx == 0 ? x : y; }
 		      ///Conversion constructor
 		      template<class TT> Point(const Point<TT> &p) : x(p.x), y(p.y) {}
 		      ///Give back the square of the norm of the vector
 		      T normSquare() const {
 		        return x*x+y*y;
+		      }
 		      ///Increment the left hand side by \c u
 		      Point<T>& operator +=(const Point<T>& u) {
 		        x += u.x;
 		        y += u.y;
 		        return *this;
+		      }
 		      ///Decrement the left hand side by \c u
 		      Point<T>& operator -=(const Point<T>& u) {
 		        x -= u.x;
 		        y -= u.y;
 		        return *this;
+		      }
 		      ///Multiply the left hand side with a scalar
 		      Point<T>& operator *=(const T &u) {
 		        x *= u;
 		        y *= u;
 		        return *this;
+		      }
 		      ///Divide the left hand side by a scalar
 		      Point<T>& operator /=(const T &u) {
 		        x /= u;
 		        y /= u;
 		        return *this;
+		      }
 		      ///Return the scalar product of two vectors
 		      T operator *(const Point<T>& u) const {
 		        return x*u.x+y*u.y;
+		      }
 		      ///Return the sum of two vectors
 		      Point<T> operator+(const Point<T> &u) const {
 		        Point<T> b=*this;
 		        return b+=u;
+		      }
 		      ///Return the negative of the vector
 		      Point<T> operator-() const {
 		        Point<T> b=*this;
 		        b.x=-b.x; b.y=-b.y;
 		        return b;
+		      }
 		      ///Return the difference of two vectors
 		      Point<T> operator-(const Point<T> &u) const {
 		        Point<T> b=*this;
 		        return b-=u;
+		      }
 		      ///Return a vector multiplied by a scalar
 		      Point<T> operator*(const T &u) const {
 		        Point<T> b=*this;
 		        return b*=u;
+		      }
 		      ///Return a vector divided by a scalar
 		      Point<T> operator/(const T &u) const {
 		        Point<T> b=*this;
 		        return b/=u;
+		      }
 		      ///Test equality
 		      bool operator==(const Point<T> &u) const {
 		        return (x==u.x) && (y==u.y);
+		      }
 		      ///Test inequality
 		      bool operator!=(Point u) const {
 		        return  (x!=u.x) || (y!=u.y);
+		      }
 		    };
 		  ///Return a Point
 		  ///Return a Point.
 		  ///\relates Point
 		  template <typename T>
 		  inline Point<T> makePoint(const T& x, const T& y) {
 		    return Point<T>(x, y);
+		  }
 		  ///Return a vector multiplied by a scalar
 		  ///Return a vector multiplied by a scalar.
 		  ///\relates Point
 		  template<typename T> Point<T> operator*(const T &u,const Point<T> &x) {
 		    return x*u;
+		  }
 		  ///Read a plain vector from a stream
 		  ///Read a plain vector from a stream.
 		  ///\relates Point
 		  ///
 		  template<typename T>
 		  inline std::istream& operator>>(std::istream &is, Point<T> &z) {
 		    char c;
 		    if (is >> c) {
 		      if (c != '(') is.putback(c);
 		    } else {
 		      is.clear();
+		    }
 		    if (!(is >> z.x)) return is;
 		    if (is >> c) {
 		      if (c != ',') is.putback(c);
 		    } else {
 		      is.clear();
+		    }
 		    if (!(is >> z.y)) return is;
 		    if (is >> c) {
 		      if (c != ')') is.putback(c);
 		    } else {
 		      is.clear();
+		    }
 		    return is;
+		  }
 		  ///Write a plain vector to a stream
 		  ///Write a plain vector to a stream.
 		  ///\relates Point
 		  ///
 		  template<typename T>
 		  inline std::ostream& operator<<(std::ostream &os, const Point<T>& z)
+		  {
-		    os << "(" << z.x << ", " << z.y << ")";
 		    os << "(" << z.x << "," << z.y << ")";
 		    return os;
+		  }
 		  ///Rotate by 90 degrees
 		  ///Returns the parameter rotated by 90 degrees in positive direction.
 		  ///\relates Point
 		  ///
 		  template<typename T>
 		  inline Point<T> rot90(const Point<T> &z)
+		  {
 		    return Point<T>(-z.y,z.x);
+		  }
 		  ///Rotate by 180 degrees
 		  ///Returns the parameter rotated by 180 degrees.
 		  ///\relates Point
 		  ///
 		  template<typename T>
 		  inline Point<T> rot180(const Point<T> &z)
+		  {
 		    return Point<T>(-z.x,-z.y);
+		  }
 		  ///Rotate by 270 degrees
 		  ///Returns the parameter rotated by 90 degrees in negative direction.
 		  ///\relates Point
 		  ///
 		  template<typename T>
 		  inline Point<T> rot270(const Point<T> &z)
+		  {
 		    return Point<T>(z.y,-z.x);
+		  }
-		    /// A class to calculate or store the bounding box of plain vectors.
+		  /// Bounding box of plain vectors (\ref Point points).
 		    /// A class to calculate or store the bounding box of plain vectors.
 		    ///
 		    template<typename T>
 		    class BoundingBox {
 		  /// A class to calculate or store the bounding box of plain vectors
 		  /// (\ref Point points).
 		  template<typename T>
 		  class Box {
 		      Point<T> _bottom_left, _top_right;
 		      bool _empty;
 		    public:
 		      ///Default constructor: creates an empty bounding box
 		      BoundingBox() { _empty = true; }
 		      ///Default constructor: creates an empty box
 		      Box() { _empty = true; }
 		      ///Construct an instance from one point
 		      BoundingBox(Point<T> a) {
 		      ///Construct a box from one point
 		      Box(Point<T> a) {
 		        _bottom_left = _top_right = a;
 		        _empty = false;
+		      }
-		      ///Construct an instance from two points
+		      ///Construct a box from two points
-		      ///Construct an instance from two points.
+		      ///Construct a box from two points.
 		      ///\param a The bottom left corner.
 		      ///\param b The top right corner.
 		      ///\warning The coordinates of the bottom left corner must be no more
 		      ///than those of the top right one.
-		      BoundingBox(Point<T> a,Point<T> b)
+		      Box(Point<T> a,Point<T> b)
+		      {
 		        _bottom_left = a;
 		        _top_right = b;
 		        _empty = false;
+		      }
-		      ///Construct an instance from four numbers
+		      ///Construct a box from four numbers
-		      ///Construct an instance from four numbers.
+		      ///Construct a box from four numbers.
 		      ///\param l The left side of the box.
 		      ///\param b The bottom of the box.
 		      ///\param r The right side of the box.
 		      ///\param t The top of the box.
 		      ///\warning The left side must be no more than the right side and
 		      ///bottom must be no more than the top.
-		      BoundingBox(T l,T b,T r,T t)
+		      Box(T l,T b,T r,T t)
+		      {
 		        _bottom_left=Point<T>(l,b);
 		        _top_right=Point<T>(r,t);
 		        _empty = false;
+		      }
-		      ///Return \c true if the bounding box is empty.
 		      ///Return \c true if the box is empty.
-		      ///Return \c true if the bounding box is empty (i.e. return \c false
 		      ///Return \c true if the box is empty (i.e. return \c false
 		      ///if at least one point was added to the box or the coordinates of
 		      ///the box were set).
 		      ///
-		      ///The coordinates of an empty bounding box are not defined.
 		      ///The coordinates of an empty box are not defined.
 		      bool empty() const {
 		        return _empty;
+		      }
-		      ///Make the BoundingBox empty
+		      ///Make the box empty
 		      void clear() {
 		        _empty = true;
+		      }
 		      ///Give back the bottom left corner of the box
 		      ///Give back the bottom left corner of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      Point<T> bottomLeft() const {
 		        return _bottom_left;
+		      }
 		      ///Set the bottom left corner of the box
 		      ///Set the bottom left corner of the box.
 		      ///\pre The box must not be empty.
 		      void bottomLeft(Point<T> p) {
 		        _bottom_left = p;
+		      }
 		      ///Give back the top right corner of the box
 		      ///Give back the top right corner of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      Point<T> topRight() const {
 		        return _top_right;
+		      }
 		      ///Set the top right corner of the box
 		      ///Set the top right corner of the box.
 		      ///\pre The box must not be empty.
 		      void topRight(Point<T> p) {
 		        _top_right = p;
+		      }
 		      ///Give back the bottom right corner of the box
 		      ///Give back the bottom right corner of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      Point<T> bottomRight() const {
 		        return Point<T>(_top_right.x,_bottom_left.y);
+		      }
 		      ///Set the bottom right corner of the box
 		      ///Set the bottom right corner of the box.
 		      ///\pre The box must not be empty.
 		      void bottomRight(Point<T> p) {
 		        _top_right.x = p.x;
 		        _bottom_left.y = p.y;
+		      }
 		      ///Give back the top left corner of the box
 		      ///Give back the top left corner of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      Point<T> topLeft() const {
 		        return Point<T>(_bottom_left.x,_top_right.y);
+		      }
 		      ///Set the top left corner of the box
 		      ///Set the top left corner of the box.
 		      ///\pre The box must not be empty.
 		      void topLeft(Point<T> p) {
 		        _top_right.y = p.y;
 		        _bottom_left.x = p.x;
+		      }
 		      ///Give back the bottom of the box
 		      ///Give back the bottom of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      T bottom() const {
 		        return _bottom_left.y;
+		      }
 		      ///Set the bottom of the box
 		      ///Set the bottom of the box.
 		      ///\pre The box must not be empty.
 		      void bottom(T t) {
 		        _bottom_left.y = t;
+		      }
 		      ///Give back the top of the box
 		      ///Give back the top of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      T top() const {
 		        return _top_right.y;
+		      }
 		      ///Set the top of the box
 		      ///Set the top of the box.
 		      ///\pre The box must not be empty.
 		      void top(T t) {
 		        _top_right.y = t;
+		      }
 		      ///Give back the left side of the box
 		      ///Give back the left side of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      T left() const {
 		        return _bottom_left.x;
+		      }
 		      ///Set the left side of the box
 		      ///Set the left side of the box.
 		      ///\pre The box must not be empty.
 		      void left(T t) {
 		        _bottom_left.x = t;
+		      }
 		      /// Give back the right side of the box
 		      /// Give back the right side of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      T right() const {
 		        return _top_right.x;
+		      }
 		      ///Set the right side of the box
 		      ///Set the right side of the box.
 		      ///\pre The box must not be empty.
 		      void right(T t) {
 		        _top_right.x = t;
+		      }
 		      ///Give back the height of the box
 		      ///Give back the height of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      T height() const {
 		        return _top_right.y-_bottom_left.y;
+		      }
 		      ///Give back the width of the box
 		      ///Give back the width of the box.
-		      ///If the bounding box is empty, then the return value is not defined.
 		      ///If the box is empty, then the return value is not defined.
 		      T width() const {
 		        return _top_right.x-_bottom_left.x;
+		      }
-		      ///Checks whether a point is inside a bounding box
+		      ///Checks whether a point is inside the box
 		      bool inside(const Point<T>& u) const {
 		        if (_empty)
 		          return false;
 		        else {
 		          return ( (u.x-_bottom_left.x)*(_top_right.x-u.x) >= 0 &&
 		                   (u.y-_bottom_left.y)*(_top_right.y-u.y) >= 0 );
+		        }
+		      }
-		      ///Increments a bounding box with a point
+		      ///Increments the box with a point
-		      ///Increments a bounding box with a point.
+		      ///Increments the box with a point.
 		      ///
-		      BoundingBox& add(const Point<T>& u){
+		      Box& add(const Point<T>& u){
 		        if (_empty) {
 		          _bottom_left = _top_right = u;
 		          _empty = false;
+		        }
 		        else {
 		          if (_bottom_left.x > u.x) _bottom_left.x = u.x;
 		          if (_bottom_left.y > u.y) _bottom_left.y = u.y;
 		          if (_top_right.x < u.x) _top_right.x = u.x;
 		          if (_top_right.y < u.y) _top_right.y = u.y;
+		        }
 		        return *this;
+		      }
-		      ///Increments a bounding box to contain another bounding box
+		      ///Increments the box to contain another box
-		      ///Increments a bounding box to contain another bounding box.
+		      ///Increments the box to contain another box.
 		      ///
-		      BoundingBox& add(const BoundingBox &u){
+		      Box& add(const Box &u){
 		        if ( !u.empty() ){
 		          add(u._bottom_left);
 		          add(u._top_right);
+		        }
 		        return *this;
+		      }
-		      ///Intersection of two bounding boxes
 		      ///Intersection of two boxes
-		      ///Intersection of two bounding boxes.
 		      ///Intersection of two boxes.
 		      ///
 		      BoundingBox operator&(const BoundingBox& u) const {
 		        BoundingBox b;
 		      Box operator&(const Box& u) const {
 		        Box b;
 		        if (_empty || u._empty) {
 		          b._empty = true;
 		        } else {
 		          b._bottom_left.x = std::max(_bottom_left.x, u._bottom_left.x);
 		          b._bottom_left.y = std::max(_bottom_left.y, u._bottom_left.y);
 		          b._top_right.x = std::min(_top_right.x, u._top_right.x);
 		          b._top_right.y = std::min(_top_right.y, u._top_right.y);
 		          b._empty = b._bottom_left.x > b._top_right.x ||
 		                     b._bottom_left.y > b._top_right.y;
+		        }
 		        return b;
+		      }
-		    };//class Boundingbox
+		  };//class Box
 		  ///Read a box from a stream
 		  ///Read a box from a stream.
 		  ///\relates Box
 		  template<typename T>
 		  inline std::istream& operator>>(std::istream &is, Box<T>& b) {
 		    char c;
 		    Point<T> p;
 		    if (is >> c) {
 		      if (c != '(') is.putback(c);
 		    } else {
 		      is.clear();
+		    }
 		    if (!(is >> p)) return is;
 		    b.bottomLeft(p);
 		    if (is >> c) {
 		      if (c != ',') is.putback(c);
 		    } else {
 		      is.clear();
+		    }
 		    if (!(is >> p)) return is;
 		    b.topRight(p);
 		    if (is >> c) {
 		      if (c != ')') is.putback(c);
 		    } else {
 		      is.clear();
+		    }
 		    return is;
+		  }
 		  ///Write a box to a stream
 		  ///Write a box to a stream.
 		  ///\relates Box
 		  template<typename T>
 		  inline std::ostream& operator<<(std::ostream &os, const Box<T>& b)
+		  {
 		    os << "(" << b.bottomLeft() << "," << b.topRight() << ")";
 		    return os;
+		  }
 		  ///Map of x-coordinates of a \ref Point "Point"-map
 		  ///\ingroup maps
 		  ///Map of x-coordinates of a \ref Point "Point"-map.
 		  ///
 		  template<class M>
 		  class XMap
+		  {
 		    M& _map;
 		  public:
 		    typedef typename M::Value::Value Value;
 		    typedef typename M::Key Key;
 		    ///\e
 		    XMap(M& map) : _map(map) {}
 		    Value operator[](Key k) const {return _map[k].x;}
 		    void set(Key k,Value v) {_map.set(k,typename M::Value(v,_map[k].y));}
 		  };
 		  ///Returns an \ref XMap class
 		  ///This function just returns an \ref XMap class.
 		  ///
 		  ///\ingroup maps
 		  ///\relates XMap
 		  template<class M>
 		  inline XMap<M> xMap(M &m)
+		  {
 		    return XMap<M>(m);
+		  }
 		  template<class M>
 		  inline XMap<M> xMap(const M &m)
+		  {
 		    return XMap<M>(m);
+		  }
 		  ///Constant (read only) version of \ref XMap
 		  ///\ingroup maps
 		  ///Constant (read only) version of \ref XMap
 		  ///
 		  template<class M>
 		  class ConstXMap
+		  {
 		    const M& _map;
 		  public:
 		    typedef typename M::Value::Value Value;
 		    typedef typename M::Key Key;
 		    ///\e
 		    ConstXMap(const M &map) : _map(map) {}
 		    Value operator[](Key k) const {return _map[k].x;}
 		  };
 		  ///Returns a \ref ConstXMap class
 		  ///This function just returns a \ref ConstXMap class.
 		  ///
 		  ///\ingroup maps
 		  ///\relates ConstXMap
 		  template<class M>
 		  inline ConstXMap<M> xMap(const M &m)
+		  {
 		    return ConstXMap<M>(m);
+		  }
 		  ///Map of y-coordinates of a \ref Point "Point"-map
 		  ///\ingroup maps
 		  ///Map of y-coordinates of a \ref Point "Point"-map.
 		  ///
 		  template<class M>
 		  class YMap
+		  {
 		    M& _map;
 		  public:
 		    typedef typename M::Value::Value Value;
 		    typedef typename M::Key Key;
 		    ///\e
 		    YMap(M& map) : _map(map) {}
 		    Value operator[](Key k) const {return _map[k].y;}
 		    void set(Key k,Value v) {_map.set(k,typename M::Value(_map[k].x,v));}
 		  };
 		  ///Returns a \ref YMap class
 		  ///This function just returns a \ref YMap class.
 		  ///
 		  ///\ingroup maps
 		  ///\relates YMap
 		  template<class M>
 		  inline YMap<M> yMap(M &m)
+		  {
 		    return YMap<M>(m);
+		  }
 		  template<class M>
 		  inline YMap<M> yMap(const M &m)
+		  {
 		    return YMap<M>(m);
+		  }
 		  ///Constant (read only) version of \ref YMap
 		  ///\ingroup maps
 		  ///Constant (read only) version of \ref YMap
 		  ///
 		  template<class M>
 		  class ConstYMap
+		  {
 		    const M& _map;
 		  public:
 		    typedef typename M::Value::Value Value;
 		    typedef typename M::Key Key;
 		    ///\e
 		    ConstYMap(const M &map) : _map(map) {}
 		    Value operator[](Key k) const {return _map[k].y;}
 		  };
 		  ///Returns a \ref ConstYMap class
 		  ///This function just returns a \ref ConstYMap class.
 		  ///
 		  ///\ingroup maps
 		  ///\relates ConstYMap
 		  template<class M>
 		  inline ConstYMap<M> yMap(const M &m)
+		  {
 		    return ConstYMap<M>(m);
+		  }
 		  ///\brief Map of the \ref Point::normSquare() "normSquare()"
 		  ///of a \ref Point "Point"-map
 		  ///
 		  ///Map of the \ref Point::normSquare() "normSquare()"
 		  ///of a \ref Point "Point"-map.
 		  ///\ingroup maps
 		  template<class M>
 		  class NormSquareMap
+		  {
 		    const M& _map;
 		  public:
 		    typedef typename M::Value::Value Value;
 		    typedef typename M::Key Key;
 		    ///\e
 		    NormSquareMap(const M &map) : _map(map) {}
 		    Value operator[](Key k) const {return _map[k].normSquare();}
 		  };
 		  ///Returns a \ref NormSquareMap class
 		  ///This function just returns a \ref NormSquareMap class.
 		  ///
 		  ///\ingroup maps
 		  ///\relates NormSquareMap
 		  template<class M>
 		  inline NormSquareMap<M> normSquareMap(const M &m)
+		  {
 		    return NormSquareMap<M>(m);
+		  }
 		  /// @}
 		  } //namespce dim2
 		} //namespace lemon
 		#endif //LEMON_DIM2_H

lemon/graph_to_eps.h

Show inline comments

@@ -536,418 +536,418 @@
 		  /// If both arcWidths() and autoArcWidthScale() are used, then the
 		  /// arc withs will be scaled in such a way that the greatest width will be
 		  /// equal to \c d.
 		  GraphToEps<T> &arcWidthScale(double d=.003) {_arcWidthScale=d;return *this;}
 		  ///Turns on/off the automatic arc width scaling.
 		  ///Turns on/off the automatic arc width scaling.
 		  ///
 		  ///\sa arcWidthScale()
 		  ///
 		  GraphToEps<T> &autoArcWidthScale(bool b=true) {
 		    _autoArcWidthScale=b;return *this;
+		  }
 		  ///Turns on/off the absolutematic arc width scaling.
 		  ///Turns on/off the absolutematic arc width scaling.
 		  ///
 		  ///\sa arcWidthScale()
 		  ///
 		  GraphToEps<T> &absoluteArcWidths(bool b=true) {
 		    _absoluteArcWidths=b;return *this;
+		  }
 		  ///Sets a global scale factor for the whole picture
 		  GraphToEps<T> &scale(double d) {_scale=d;return *this;}
 		  ///Sets the width of the border around the picture
 		  GraphToEps<T> &border(double b=10) {_xBorder=_yBorder=b;return *this;}
 		  ///Sets the width of the border around the picture
 		  GraphToEps<T> &border(double x, double y) {
 		    _xBorder=x;_yBorder=y;return *this;
+		  }
 		  ///Sets whether to draw arrows
 		  GraphToEps<T> &drawArrows(bool b=true) {_drawArrows=b;return *this;}
 		  ///Sets the length of the arrowheads
 		  GraphToEps<T> &arrowLength(double d=1.0) {_arrowLength*=d;return *this;}
 		  ///Sets the width of the arrowheads
 		  GraphToEps<T> &arrowWidth(double d=.3) {_arrowWidth*=d;return *this;}
 		  ///Scales the drawing to fit to A4 page
 		  GraphToEps<T> &scaleToA4() {_scaleToA4=true;return *this;}
 		  ///Enables parallel arcs
 		  GraphToEps<T> &enableParallel(bool b=true) {_enableParallel=b;return *this;}
 		  ///Sets the distance between parallel arcs
 		  GraphToEps<T> &parArcDist(double d) {_parArcDist*=d;return *this;}
 		  ///Hides the arcs
 		  GraphToEps<T> &hideArcs(bool b=true) {_showArcs=!b;return *this;}
 		  ///Hides the nodes
 		  GraphToEps<T> &hideNodes(bool b=true) {_showNodes=!b;return *this;}
 		  ///Sets the size of the node texts
 		  GraphToEps<T> &nodeTextSize(double d) {_nodeTextSize=d;return *this;}
 		  ///Sets the color of the node texts to be different from the node color
 		  ///Sets the color of the node texts to be as different from the node color
 		  ///as it is possible.
 		  GraphToEps<T> &distantColorNodeTexts()
 		  {_nodeTextColorType=DIST_COL;return *this;}
 		  ///Sets the color of the node texts to be black or white and always visible.
 		  ///Sets the color of the node texts to be black or white according to
 		  ///which is more different from the node color.
 		  GraphToEps<T> &distantBWNodeTexts()
 		  {_nodeTextColorType=DIST_BW;return *this;}
 		  ///Gives a preamble block for node Postscript block.
 		  ///Gives a preamble block for node Postscript block.
 		  ///
 		  ///\sa nodePsTexts()
 		  GraphToEps<T> & nodePsTextsPreamble(const char *str) {
 		    _nodePsTextsPreamble=str ;return *this;
+		  }
 		  ///Sets whether the graph is undirected
 		  ///Sets whether the graph is undirected.
 		  ///
 		  ///This setting is the default for undirected graphs.
 		  ///
 		  ///\sa directed()
 		   GraphToEps<T> &undirected(bool b=true) {_undirected=b;return *this;}
 		  ///Sets whether the graph is directed
 		  ///Sets whether the graph is directed.
 		  ///Use it to show the edges as a pair of directed ones.
 		  ///
 		  ///This setting is the default for digraphs.
 		  ///
 		  ///\sa undirected()
 		  GraphToEps<T> &directed(bool b=true) {_undirected=!b;return *this;}
 		  ///Sets the title.
 		  ///Sets the title of the generated image,
 		  ///namely it inserts a <tt>%%Title:</tt> DSC field to the header of
 		  ///the EPS file.
 		  GraphToEps<T> &title(const std::string &t) {_title=t;return *this;}
 		  ///Sets the copyright statement.
 		  ///Sets the copyright statement of the generated image,
 		  ///namely it inserts a <tt>%%Copyright:</tt> DSC field to the header of
 		  ///the EPS file.
 		  GraphToEps<T> &copyright(const std::string &t) {_copyright=t;return *this;}
 		protected:
 		  bool isInsideNode(dim2::Point<double> p, double r,int t)
+		  {
 		    switch(t) {
 		    case CIRCLE:
 		    case MALE:
 		    case FEMALE:
 		      return p.normSquare()<=r*r;
 		    case SQUARE:
 		      return p.x<=r&&p.x>=-r&&p.y<=r&&p.y>=-r;
 		    case DIAMOND:
 		      return p.x+p.y<=r && p.x-p.y<=r && -p.x+p.y<=r && -p.x-p.y<=r;
+		    }
 		    return false;
+		  }
 		public:
 		  ~GraphToEps() { }
 		  ///Draws the graph.
 		  ///Like other functions using
 		  ///\ref named-templ-func-param "named template parameters",
 		  ///this function calls the algorithm itself, i.e. in this case
 		  ///it draws the graph.
 		  void run() {
 		    //\todo better 'epsilon' would be nice here.
 		    const double EPSILON=1e-9;
 		    if(dontPrint) return;
 		    _graph_to_eps_bits::_NegY<typename T::CoordsMapType>
 		      mycoords(_coords,_negY);
 		    os << "%!PS-Adobe-2.0 EPSF-2.0\n";
 		    if(_title.size()>0) os << "%%Title: " << _title << '\n';
 		     if(_copyright.size()>0) os << "%%Copyright: " << _copyright << '\n';
 		    os << "%%Creator: LEMON, graphToEps()\n";
+		    {
 		#ifndef WIN32
 		      timeval tv;
 		      gettimeofday(&tv, 0);
 		      char cbuf[26];
 		      ctime_r(&tv.tv_sec,cbuf);
 		      os << "%%CreationDate: " << cbuf;
 		#else
 		      SYSTEMTIME time;
 		      char buf1[11], buf2[9], buf3[5];
 		      GetSystemTime(&time);
 		      if (GetDateFormat(LOCALE_USER_DEFAULT, 0, &time,
 		                        "ddd MMM dd", buf1, 11) &&
 		          GetTimeFormat(LOCALE_USER_DEFAULT, 0, &time,
 		                        "HH':'mm':'ss", buf2, 9) &&
 		          GetDateFormat(LOCALE_USER_DEFAULT, 0, &time,
 		                                "yyyy", buf3, 5)) {
 		        os << "%%CreationDate: " << buf1 << ' '
 		           << buf2 << ' ' << buf3 << std::endl;
+		      }
 		#endif
+		    }
 		    if (_autoArcWidthScale) {
 		      double max_w=0;
 		      for(ArcIt e(g);e!=INVALID;++e)
 		        max_w=std::max(double(_arcWidths[e]),max_w);
 		      //\todo better 'epsilon' would be nice here.
 		      if(max_w>EPSILON) {
 		        _arcWidthScale/=max_w;
+		      }
+		    }
 		    if (_autoNodeScale) {
 		      double max_s=0;
 		      for(NodeIt n(g);n!=INVALID;++n)
 		        max_s=std::max(double(_nodeSizes[n]),max_s);
 		      //\todo better 'epsilon' would be nice here.
 		      if(max_s>EPSILON) {
 		        _nodeScale/=max_s;
+		      }
+		    }
 		    double diag_len = 1;
 		    if(!(_absoluteNodeSizes&&_absoluteArcWidths)) {
-		      dim2::BoundingBox<double> bb;
+		      dim2::Box<double> bb;
 		      for(NodeIt n(g);n!=INVALID;++n) bb.add(mycoords[n]);
 		      if (bb.empty()) {
-		        bb = dim2::BoundingBox<double>(dim2::Point<double>(0,0));
+		        bb = dim2::Box<double>(dim2::Point<double>(0,0));
+		      }
 		      diag_len = std::sqrt((bb.bottomLeft()-bb.topRight()).normSquare());
 		      if(diag_len<EPSILON) diag_len = 1;
 		      if(!_absoluteNodeSizes) _nodeScale*=diag_len;
 		      if(!_absoluteArcWidths) _arcWidthScale*=diag_len;
+		    }
-		    dim2::BoundingBox<double> bb;
+		    dim2::Box<double> bb;
 		    for(NodeIt n(g);n!=INVALID;++n) {
 		      double ns=_nodeSizes[n]*_nodeScale;
 		      dim2::Point<double> p(ns,ns);
 		      switch(_nodeShapes[n]) {
 		      case CIRCLE:
 		      case SQUARE:
 		      case DIAMOND:
 		        bb.add(p+mycoords[n]);
 		        bb.add(-p+mycoords[n]);
 		        break;
 		      case MALE:
 		        bb.add(-p+mycoords[n]);
 		        bb.add(dim2::Point<double>(1.5*ns,1.5*std::sqrt(3.0)*ns)+mycoords[n]);
 		        break;
 		      case FEMALE:
 		        bb.add(p+mycoords[n]);
 		        bb.add(dim2::Point<double>(-ns,-3.01*ns)+mycoords[n]);
 		        break;
+		      }
+		    }
 		    if (bb.empty()) {
-		      bb = dim2::BoundingBox<double>(dim2::Point<double>(0,0));
+		      bb = dim2::Box<double>(dim2::Point<double>(0,0));
+		    }
 		    if(_scaleToA4)
 		      os <<"%%BoundingBox: 0 0 596 842\n%%DocumentPaperSizes: a4\n";
 		    else {
 		      if(_preScale) {
 		        //Rescale so that BoundingBox won't be neither to big nor too small.
 		        while(bb.height()*_scale>1000||bb.width()*_scale>1000) _scale/=10;
 		        while(bb.height()*_scale<100||bb.width()*_scale<100) _scale*=10;
+		      }
 		      os << "%%BoundingBox: "
 		         << int(floor(bb.left()   * _scale - _xBorder)) << ' '
 		         << int(floor(bb.bottom() * _scale - _yBorder)) << ' '
 		         << int(ceil(bb.right()  * _scale + _xBorder)) << ' '
 		         << int(ceil(bb.top()    * _scale + _yBorder)) << '\n';
+		    }
 		    os << "%%EndComments\n";
 		    //x1 y1 x2 y2 x3 y3 cr cg cb w
 		    os << "/lb { setlinewidth setrgbcolor newpath moveto\n"
 		       << "      4 2 roll 1 index 1 index curveto stroke } bind def\n";
 		    os << "/l { setlinewidth setrgbcolor newpath moveto lineto stroke }"
 		       << " bind def\n";
 		    //x y r
 		    os << "/c { newpath dup 3 index add 2 index moveto 0 360 arc closepath }"
 		       << " bind def\n";
 		    //x y r
 		    os << "/sq { newpath 2 index 1 index add 2 index 2 index add moveto\n"
 		       << "      2 index 1 index sub 2 index 2 index add lineto\n"
 		       << "      2 index 1 index sub 2 index 2 index sub lineto\n"
 		       << "      2 index 1 index add 2 index 2 index sub lineto\n"
 		       << "      closepath pop pop pop} bind def\n";
 		    //x y r
 		    os << "/di { newpath 2 index 1 index add 2 index moveto\n"
 		       << "      2 index             2 index 2 index add lineto\n"
 		       << "      2 index 1 index sub 2 index             lineto\n"
 		       << "      2 index             2 index 2 index sub lineto\n"
 		       << "      closepath pop pop pop} bind def\n";
 		    // x y r cr cg cb
 		    os << "/nc { 0 0 0 setrgbcolor 5 index 5 index 5 index c fill\n"
 		       << "     setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n"
 		       << "   } bind def\n";
 		    os << "/nsq { 0 0 0 setrgbcolor 5 index 5 index 5 index sq fill\n"
 		       << "     setrgbcolor " << 1+_nodeBorderQuotient << " div sq fill\n"
 		       << "   } bind def\n";
 		    os << "/ndi { 0 0 0 setrgbcolor 5 index 5 index 5 index di fill\n"
 		       << "     setrgbcolor " << 1+_nodeBorderQuotient << " div di fill\n"
 		       << "   } bind def\n";
 		    os << "/nfemale { 0 0 0 setrgbcolor 3 index "
 		       << _nodeBorderQuotient/(1+_nodeBorderQuotient)
 		       << " 1.5 mul mul setlinewidth\n"
 		       << "  newpath 5 index 5 index moveto "
 		       << "5 index 5 index 5 index 3.01 mul sub\n"
 		       << "  lineto 5 index 4 index .7 mul sub 5 index 5 index 2.2 mul sub"
 		       << " moveto\n"
 		       << "  5 index 4 index .7 mul add 5 index 5 index 2.2 mul sub lineto "
 		       << "stroke\n"
 		       << "  5 index 5 index 5 index c fill\n"
 		       << "  setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n"
 		       << "  } bind def\n";
 		    os << "/nmale {\n"
 		       << "  0 0 0 setrgbcolor 3 index "
 		       << _nodeBorderQuotient/(1+_nodeBorderQuotient)
 		       <<" 1.5 mul mul setlinewidth\n"
 		       << "  newpath 5 index 5 index moveto\n"
 		       << "  5 index 4 index 1 mul 1.5 mul add\n"
 		       << "  5 index 5 index 3 sqrt 1.5 mul mul add\n"
 		       << "  1 index 1 index lineto\n"
 		       << "  1 index 1 index 7 index sub moveto\n"
 		       << "  1 index 1 index lineto\n"
 		       << "  exch 5 index 3 sqrt .5 mul mul sub exch 5 index .5 mul sub"
 		       << " lineto\n"
 		       << "  stroke\n"
 		       << "  5 index 5 index 5 index c fill\n"
 		       << "  setrgbcolor " << 1+_nodeBorderQuotient << " div c fill\n"
 		       << "  } bind def\n";
 		    os << "/arrl " << _arrowLength << " def\n";
 		    os << "/arrw " << _arrowWidth << " def\n";
 		    // l dx_norm dy_norm
 		    os << "/lrl { 2 index mul exch 2 index mul exch rlineto pop} bind def\n";
 		    //len w dx_norm dy_norm x1 y1 cr cg cb
 		    os << "/arr { setrgbcolor /y1 exch def /x1 exch def /dy exch def /dx "
 		       << "exch def\n"
 		       << "       /w exch def /len exch def\n"
 		      //<< "0.1 setlinewidth x1 y1 moveto dx len mul dy len mul rlineto stroke"
 		       << "       newpath x1 dy w 2 div mul add y1 dx w 2 div mul sub moveto\n"
 		       << "       len w sub arrl sub dx dy lrl\n"
 		       << "       arrw dy dx neg lrl\n"
 		       << "       dx arrl w add mul dy w 2 div arrw add mul sub\n"
 		       << "       dy arrl w add mul dx w 2 div arrw add mul add rlineto\n"
 		       << "       dx arrl w add mul neg dy w 2 div arrw add mul sub\n"
 		       << "       dy arrl w add mul neg dx w 2 div arrw add mul add rlineto\n"
 		       << "       arrw dy dx neg lrl\n"
 		       << "       len w sub arrl sub neg dx dy lrl\n"
 		       << "       closepath fill } bind def\n";
 		    os << "/cshow { 2 index 2 index moveto dup stringwidth pop\n"
 		       << "         neg 2 div fosi .35 mul neg rmoveto show pop pop} def\n";
 		    os << "\ngsave\n";
 		    if(_scaleToA4)
 		      if(bb.height()>bb.width()) {
 		        double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.height(),
 		                  (A4WIDTH-2*A4BORDER)/bb.width());
 		        os << ((A4WIDTH -2*A4BORDER)-sc*bb.width())/2 + A4BORDER << ' '
 		           << ((A4HEIGHT-2*A4BORDER)-sc*bb.height())/2 + A4BORDER
 		           << " translate\n"
 		           << sc << " dup scale\n"
 		           << -bb.left() << ' ' << -bb.bottom() << " translate\n";
+		      }
 		      else {
 		        //\todo Verify centering
 		        double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.width(),
 		                  (A4WIDTH-2*A4BORDER)/bb.height());
 		        os << ((A4WIDTH -2*A4BORDER)-sc*bb.height())/2 + A4BORDER << ' '
 		           << ((A4HEIGHT-2*A4BORDER)-sc*bb.width())/2 + A4BORDER
 		           << " translate\n"
 		           << sc << " dup scale\n90 rotate\n"
 		           << -bb.left() << ' ' << -bb.top() << " translate\n";
+		        }
 		    else if(_scale!=1.0) os << _scale << " dup scale\n";
 		    if(_showArcs) {
 		      os << "%Arcs:\ngsave\n";
 		      if(_enableParallel) {
 		        std::vector<Arc> el;
 		        for(ArcIt e(g);e!=INVALID;++e)
 		          if((!_undirected||g.source(e)<g.target(e))&&_arcWidths[e]>0
 		             &&g.source(e)!=g.target(e))
 		            el.push_back(e);
 		        std::sort(el.begin(),el.end(),arcLess(g));
 		        typename std::vector<Arc>::iterator j;
 		        for(typename std::vector<Arc>::iterator i=el.begin();i!=el.end();i=j) {
 		          for(j=i+1;j!=el.end()&&isParallel(*i,*j);++j) ;
 		          double sw=0;
 		          for(typename std::vector<Arc>::iterator e=i;e!=j;++e)
 		            sw+=_arcWidths[*e]*_arcWidthScale+_parArcDist;
 		          sw-=_parArcDist;
 		          sw/=-2.0;
 		          dim2::Point<double>
 		            dvec(mycoords[g.target(*i)]-mycoords[g.source(*i)]);
 		          double l=std::sqrt(dvec.normSquare());
 		          //\todo better 'epsilon' would be nice here.
 		          dim2::Point<double> d(dvec/std::max(l,EPSILON));
 		          dim2::Point<double> m;
 		//           m=dim2::Point<double>(mycoords[g.target(*i)]+
 		//                                 mycoords[g.source(*i)])/2.0;
 		//            m=dim2::Point<double>(mycoords[g.source(*i)])+
 		//             dvec*(double(_nodeSizes[g.source(*i)])/
 		//                (_nodeSizes[g.source(*i)]+_nodeSizes[g.target(*i)]));
 		          m=dim2::Point<double>(mycoords[g.source(*i)])+
 		            d*(l+_nodeSizes[g.source(*i)]-_nodeSizes[g.target(*i)])/2.0;
 		          for(typename std::vector<Arc>::iterator e=i;e!=j;++e) {
 		            sw+=_arcWidths[*e]*_arcWidthScale/2.0;
 		            dim2::Point<double> mm=m+rot90(d)*sw/.75;
 		            if(_drawArrows) {
 		              int node_shape;
 		              dim2::Point<double> s=mycoords[g.source(*e)];
 		              dim2::Point<double> t=mycoords[g.target(*e)];
 		              double rn=_nodeSizes[g.target(*e)]*_nodeScale;
 		              node_shape=_nodeShapes[g.target(*e)];
 		              dim2::Bezier3 bez(s,mm,mm,t);
 		              double t1=0,t2=1;
 		              for(int ii=0;ii<INTERPOL_PREC;++ii)
 		                if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape)) t2=(t1+t2)/2;
 		                else t1=(t1+t2)/2;
 		              dim2::Point<double> apoint=bez((t1+t2)/2);
 		              rn = _arrowLength+_arcWidths[*e]*_arcWidthScale;
 		              rn*=rn;
 		              t2=(t1+t2)/2;t1=0;
 		              for(int ii=0;ii<INTERPOL_PREC;++ii)
 		                if((bez((t1+t2)/2)-apoint).normSquare()>rn) t1=(t1+t2)/2;
 		                else t2=(t1+t2)/2;
 		              dim2::Point<double> linend=bez((t1+t2)/2);
 		              bez=bez.before((t1+t2)/2);
 		//               rn=_nodeSizes[g.source(*e)]*_nodeScale;
 		//               node_shape=_nodeShapes[g.source(*e)];
 		//               t1=0;t2=1;
 		//               for(int i=0;i<INTERPOL_PREC;++i)
 		//                 if(isInsideNode(bez((t1+t2)/2)-t,rn,node_shape))
 		//                   t1=(t1+t2)/2;
 		//                 else t2=(t1+t2)/2;
 		//               bez=bez.after((t1+t2)/2);
 		              os << _arcWidths[*e]*_arcWidthScale << " setlinewidth "

test/dim_test.cc

Show inline comments

 		/* -*- 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/dim2.h>
 		#include <iostream>
 		#include "test_tools.h"
 		using namespace std;
 		using namespace lemon;
 		int main()
+		{
 		  typedef dim2::Point<int> Point;
 		  Point p;
 		  check(p.size()==2, "Wrong dim2::Point initialization.");
 		  Point a(1,2);
 		  Point b(3,4);
 		  check(a[0]==1 && a[1]==2, "Wrong dim2::Point initialization.");
 		  p = a+b;
 		  check(p.x==4 && p.y==6, "Wrong dim2::Point addition.");
 		  p = a-b;
 		  check(p.x==-2 && p.y==-2, "Wrong dim2::Point subtraction.");
 		  check(a.normSquare()==5,"Wrong dim2::Point norm calculation.");
 		  check(a*b==11, "Wrong dim2::Point scalar product.");
 		  int l=2;
 		  p = a*l;
 		  check(p.x==2 && p.y==4, "Wrong dim2::Point multiplication by a scalar.");
 		  p = b/l;
 		  check(p.x==1 && p.y==2, "Wrong dim2::Point division by a scalar.");
 		  typedef dim2::BoundingBox<int> BB;
 		  BB box1;
-		  check(box1.empty(), "Wrong empty() in dim2::BoundingBox.");
+		  typedef dim2::Box<int> Box;
 		  Box box1;
 		  check(box1.empty(), "Wrong empty() in dim2::Box.");
 		  box1.add(a);
-		  check(!box1.empty(), "Wrong empty() in dim2::BoundingBox.");
+		  check(!box1.empty(), "Wrong empty() in dim2::Box.");
 		  box1.add(b);
 		  check(box1.left()==1 && box1.bottom()==2 &&
 		        box1.right()==3 && box1.top()==4,
-		        "Wrong addition of points to dim2::BoundingBox.");
+		        "Wrong addition of points to dim2::Box.");
 		  check(box1.inside(Point(2,3)), "Wrong inside() in dim2::BoundingBox.");
 		  check(box1.inside(Point(1,3)), "Wrong inside() in dim2::BoundingBox.");
-		  check(!box1.inside(Point(0,3)), "Wrong inside() in dim2::BoundingBox.");
+		  check(box1.inside(Point(2,3)), "Wrong inside() in dim2::Box.");
 		  check(box1.inside(Point(1,3)), "Wrong inside() in dim2::Box.");
 		  check(!box1.inside(Point(0,3)), "Wrong inside() in dim2::Box.");
 		  BB box2(Point(2,2));
 		  check(!box2.empty(), "Wrong empty() in dim2::BoundingBox.");
+		  Box box2(Point(2,2));
 		  check(!box2.empty(), "Wrong empty() in dim2::Box.");
 		  box2.bottomLeft(Point(2,0));
 		  box2.topRight(Point(5,3));
-		  BB box3 = box1 & box2;
+		  Box box3 = box1 & box2;
 		  check(!box3.empty() &&
-		        box3.left()==2 && box3.bottom()==2 &&
 		        box3.left()==2 && box3.bottom()==2 &&
 		        box3.right()==3 && box3.top()==3,
 		        "Wrong intersection of two dim2::BoundingBox objects.");
 		        "Wrong intersection of two dim2::Box objects.");
 		  box1.add(box2);
 		  check(!box1.empty() &&
 		        box1.left()==1 && box1.bottom()==0 &&
 		        box1.right()==5 && box1.top()==4,
-		        "Wrong addition of two dim2::BoundingBox objects.");
+		        "Wrong addition of two dim2::Box objects.");
 		  return 0;
+		}

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