Changeset 1130:0759d974de81 – LEMON

CMakeLists.txt

-                      r1129
+                      r1130
 ENABLE_TESTING()
+INCLUDE(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG("-std=c++11" CXX11FLAG)
+IF(CXX11FLAG)
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+ENDIF()
 IF(${CMAKE_BUILD_TYPE} STREQUAL "Maintainer")
   ADD_CUSTOM_TARGET(check ALL COMMAND ${CMAKE_CTEST_COMMAND})

lemon/bellman_ford.h

-                      r1092
+                      r1130
 #include <lemon/maps.h>
 #include <lemon/path.h>
+#include <lemon/bits/stl_iterators.h>
 #include <limits>
 …
       int _index;
     };
+    /// \brief Gets the collection of the active nodes.
+    ///
+    /// This function can be used for iterating on the active nodes of the
+    /// Bellman-Ford algorithm after the last phase.
+    /// These nodes should be checked in the next phase to
+    /// find augmenting arcs outgoing from them.
+    /// It returns a wrapped ActiveIt, which looks
+    /// like an STL container (by having begin() and end())
+    /// which you can use in range-based for loops, STL algorithms, etc.
+    LemonRangeWrapper1<ActiveIt, BellmanFord>
+        activeNodes(const BellmanFord& algorithm) const {
+      return LemonRangeWrapper1<ActiveIt, BellmanFord>(algorithm);
+    }
     /// \name Query Functions

lemon/bits/graph_adaptor_extender.h

-                      r1092
+                      r1130
     };
+    LemonRangeWrapper1<NodeIt, Adaptor> nodes() {
+      return LemonRangeWrapper1<NodeIt, Adaptor>(*this);
+    }
     class ArcIt : public Arc {
 …
     };
+    LemonRangeWrapper1<ArcIt, Adaptor> arcs() {
+      return LemonRangeWrapper1<ArcIt, Adaptor>(*this);
+    }
 …
     };
+    LemonRangeWrapper2<OutArcIt, Adaptor, Node> outArcs(const Node& u) const {
+      return LemonRangeWrapper2<OutArcIt, Adaptor, Node>(*this, u);
+    }
     class InArcIt : public Arc {
 …
     };
+    LemonRangeWrapper2<InArcIt, Adaptor, Node> inArcs(const Node& u) const {
+      return LemonRangeWrapper2<InArcIt, Adaptor, Node>(*this, u);
+    }
     Node baseNode(const OutArcIt &e) const {
 …
     };
+    LemonRangeWrapper1<NodeIt, Adaptor> nodes() {
+      return LemonRangeWrapper1<NodeIt, Adaptor>(*this);
+    }
     class ArcIt : public Arc {
 …
     };
+    LemonRangeWrapper1<ArcIt, Adaptor> arcs() {
+      return LemonRangeWrapper1<ArcIt, Adaptor>(*this);
+    }
 …
     };
+    LemonRangeWrapper2<OutArcIt, Adaptor, Node> outArcs(const Node& u) const {
+      return LemonRangeWrapper2<OutArcIt, Adaptor, Node>(*this, u);
+    }
     class InArcIt : public Arc {
 …
     };
+    LemonRangeWrapper2<InArcIt, Adaptor, Node> inArcs(const Node& u) const {
+      return LemonRangeWrapper2<InArcIt, Adaptor, Node>(*this, u);
+    }
     class EdgeIt : public Parent::Edge {
       const Adaptor* _adaptor;
 …
     };
+    LemonRangeWrapper1<EdgeIt, Adaptor> edges() {
+      return LemonRangeWrapper1<EdgeIt, Adaptor>(*this);
+    }
     class IncEdgeIt : public Edge {
 …
     };
+    LemonRangeWrapper2<IncEdgeIt, Adaptor, Node> incEdges(const Node& u) const {
+      return LemonRangeWrapper2<IncEdgeIt, Adaptor, Node>(*this, u);
+    }
     Node baseNode(const OutArcIt &a) const {
       return Parent::source(a);

lemon/bits/graph_extender.h

-                      r1092
+                      r1130
 #include <lemon/concepts/maps.h>
+#include <lemon/bits/stl_iterators.h>
 //\ingroup graphbits
 //\file
 …
     };
+    LemonRangeWrapper1<NodeIt, Digraph> nodes() const {
+      return LemonRangeWrapper1<NodeIt, Digraph>(*this);
+    }
     class ArcIt : public Arc {
 …
     };
+    LemonRangeWrapper1<ArcIt, Digraph> arcs() const {
+      return LemonRangeWrapper1<ArcIt, Digraph>(*this);
+    }
 …
     };
+    LemonRangeWrapper2<OutArcIt, Digraph, Node> outArcs(const Node& u) const {
+      return LemonRangeWrapper2<OutArcIt, Digraph, Node>(*this, u);
+    }
     class InArcIt : public Arc {
 …
     };
+    LemonRangeWrapper2<InArcIt, Digraph, Node> inArcs(const Node& u) const {
+      return LemonRangeWrapper2<InArcIt, Digraph, Node>(*this, u);
+    }
     // \brief Base node of the iterator
 …
     };
+    LemonRangeWrapper1<NodeIt, Graph> nodes() const {
+      return LemonRangeWrapper1<NodeIt, Graph>(*this);
+    }
     class ArcIt : public Arc {
 …
     };
+    LemonRangeWrapper1<ArcIt, Graph> arcs() const {
+      return LemonRangeWrapper1<ArcIt, Graph>(*this);
+    }
 …
     };
+    LemonRangeWrapper2<OutArcIt, Graph, Node> outArcs(const Node& u) const {
+      return LemonRangeWrapper2<OutArcIt, Graph, Node>(*this, u);
+    }
     class InArcIt : public Arc {
 …
     };
+    LemonRangeWrapper2<InArcIt, Graph, Node> inArcs(const Node& u) const {
+      return LemonRangeWrapper2<InArcIt, Graph, Node>(*this, u);
+    }
     class EdgeIt : public Parent::Edge {
 …
     };
+    LemonRangeWrapper1<EdgeIt, Graph> edges() const {
+      return LemonRangeWrapper1<EdgeIt, Graph>(*this);
+    }
     class IncEdgeIt : public Parent::Edge {
 …
+      }
     };
+    LemonRangeWrapper2<IncEdgeIt, Graph, Node> incEdges(const Node& u) const {
+      return LemonRangeWrapper2<IncEdgeIt, Graph, Node>(*this, u);
+    }
     // \brief Base node of the iterator
 …
     };
+    LemonRangeWrapper1<NodeIt, BpGraph> nodes() const {
+      return LemonRangeWrapper1<NodeIt, BpGraph>(*this);
+    }
     class RedNodeIt : public RedNode {
       const BpGraph* _graph;
 …
     };
+    LemonRangeWrapper1<RedNodeIt, BpGraph> redNodes() const {
+      return LemonRangeWrapper1<RedNodeIt, BpGraph>(*this);
+    }
     class BlueNodeIt : public BlueNode {
       const BpGraph* _graph;
 …
     };
+    LemonRangeWrapper1<BlueNodeIt, BpGraph> blueNodes() const {
+      return LemonRangeWrapper1<BlueNodeIt, BpGraph>(*this);
+    }
     class ArcIt : public Arc {
 …
     };
+    LemonRangeWrapper1<ArcIt, BpGraph> arcs() const {
+      return LemonRangeWrapper1<ArcIt, BpGraph>(*this);
+    }
 …
     };
+    LemonRangeWrapper2<OutArcIt, BpGraph, Node> outArcs(const Node& u) const {
+      return LemonRangeWrapper2<OutArcIt, BpGraph, Node>(*this, u);
+    }
     class InArcIt : public Arc {
 …
     };
+    LemonRangeWrapper2<InArcIt, BpGraph, Node> inArcs(const Node& u) const {
+      return LemonRangeWrapper2<InArcIt, BpGraph, Node>(*this, u);
+    }
     class EdgeIt : public Parent::Edge {
 …
     };
+    LemonRangeWrapper1<EdgeIt, BpGraph> edges() const {
+      return LemonRangeWrapper1<EdgeIt, BpGraph>(*this);
+    }
     class IncEdgeIt : public Parent::Edge {
 …
+      }
     };
+    LemonRangeWrapper2<IncEdgeIt, BpGraph, Node> incEdges(const Node& u) const {
+      return LemonRangeWrapper2<IncEdgeIt, BpGraph, Node>(*this, u);
+    }
     // \brief Base node of the iterator

lemon/cbc.cc

r1092	r1130
112	112
113	113	void CbcMip::_eraseColId(int i) {
114		cols.eraseIndex(i);
	114	_cols.eraseIndex(i);
115	115	}
116	116
117	117	void CbcMip::_eraseRowId(int i) {
118		rows.eraseIndex(i);
	118	_rows.eraseIndex(i);
119	119	}
120	120

lemon/clp.cc

-                      r1092
+                      r1130
   ClpLp::ClpLp(const ClpLp& other) {
     _prob = new ClpSimplex(*other._prob);
     rows = other.rows;
     cols = other.cols;
+    _rows = other._rows;
+    _cols = other._cols;
     _init_temporals();
     messageLevel(MESSAGE_NOTHING);
 …
   void ClpLp::_eraseColId(int i) {
     cols.eraseIndex(i);
     cols.shiftIndices(i);
+    _cols.eraseIndex(i);
+    _cols.shiftIndices(i);
+  }
   void ClpLp::_eraseRowId(int i) {
     rows.eraseIndex(i);
     rows.shiftIndices(i);
+    _rows.eraseIndex(i);
+    _rows.shiftIndices(i);
+  }

lemon/clp.h

-                      r1092
+                      r1130
     ///Returns the constraint identifier understood by CLP.
     int clpRow(Row r) const { return rows(id(r)); }
+    int clpRow(Row r) const { return _rows(id(r)); }
     ///Returns the variable identifier understood by CLP.
     int clpCol(Col c) const { return cols(id(c)); }
+    int clpCol(Col c) const { return _cols(id(c)); }
   };

lemon/concepts/bpgraph.h

-                      r1092
+                      r1130
 #include <lemon/concept_check.h>
 #include <lemon/core.h>
+#include <lemon/bits/stl_iterators.h>
 namespace lemon {
 …
       };
+      /// \brief Gets the collection of the red nodes of the graph.
+      ///
+      /// This function can be used for iterating on
+      /// the red nodes of the graph. It returns a wrapped RedNodeIt,
+      /// which looks like an STL container (by having begin() and end())
+      /// which you can use in range-based for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph, you can write:
+      ///\code
+      /// for(auto v: g.redNodes())
+      ///   doSomething(v);
+      ///\endcode
+      LemonRangeWrapper1<RedNodeIt, BpGraph> redNodes() const {
+        return LemonRangeWrapper1<RedNodeIt, BpGraph>(*this);
+      }
       /// Iterator class for the blue nodes.
 …
       };
+      /// \brief Gets the collection of the blue nodes of the graph.
+      ///
+      /// This function can be used for iterating on
+      /// the blue nodes of the graph. It returns a wrapped BlueNodeIt,
+      /// which looks like an STL container (by having begin() and end())
+      /// which you can use in range-based for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph, you can write:
+      ///\code
+      /// for(auto v: g.blueNodes())
+      ///   doSomething(v);
+      ///\endcode
+      LemonRangeWrapper1<BlueNodeIt, BpGraph> blueNodes() const {
+        return LemonRangeWrapper1<BlueNodeIt, BpGraph>(*this);
+      }
       /// Iterator class for the nodes.
 …
         NodeIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the nodes of the graph.
+      ///
+      /// This function can be used for iterating on
+      /// the nodes of the graph. It returns a wrapped NodeIt,
+      /// which looks like an STL container (by having begin() and end())
+      /// which you can use in range-based for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph, you can write:
+      ///\code
+      /// for(auto v: g.nodes())
+      ///   doSomething(v);
+      ///\endcode
+      LemonRangeWrapper1<NodeIt, BpGraph> nodes() const {
+        return LemonRangeWrapper1<NodeIt, BpGraph>(*this);
+      }
 …
         EdgeIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the edges of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// edges of the graph. It returns a wrapped
+      /// EdgeIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph, you can write:
+      ///\code
+      /// for(auto e: g.edges())
+      ///   doSomething(e);
+      ///\endcode
+      LemonRangeWrapper1<EdgeIt, BpGraph> edges() const {
+        return LemonRangeWrapper1<EdgeIt, BpGraph>(*this);
+      }
       /// Iterator class for the incident edges of a node.
 …
       };
+      /// \brief Gets the collection of the incident edges
+      ///  of a certain node of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// incident undirected edges of a certain node of the graph.
+      /// It returns a wrapped
+      /// IncEdgeIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph and u is a Node, you can write:
+      ///\code
+      /// for(auto e: g.incEdges(u))
+      ///   doSomething(e);
+      ///\endcode
+      LemonRangeWrapper2<IncEdgeIt, BpGraph, Node> incEdges(const Node& u) const {
+        return LemonRangeWrapper2<IncEdgeIt, BpGraph, Node>(*this, u);
+      }
       /// The arc type of the graph
 …
       };
+      /// \brief Gets the collection of the directed arcs of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// arcs of the graph. It returns a wrapped
+      /// ArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph you can write:
+      ///\code
+      /// for(auto a: g.arcs())
+      ///   doSomething(a);
+      ///\endcode
+      LemonRangeWrapper1<ArcIt, BpGraph> arcs() const {
+        return LemonRangeWrapper1<ArcIt, BpGraph>(*this);
+      }
       /// Iterator class for the outgoing arcs of a node.
 …
       };
+      /// \brief Gets the collection of the outgoing directed arcs of a
+      /// certain node of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// outgoing arcs of a certain node of the graph. It returns a wrapped
+      /// OutArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph and u is a Node, you can write:
+      ///\code
+      /// for(auto a: g.outArcs(u))
+      ///   doSomething(a);
+      ///\endcode
+      LemonRangeWrapper2<OutArcIt, BpGraph, Node> outArcs(const Node& u) const {
+        return LemonRangeWrapper2<OutArcIt, BpGraph, Node>(*this, u);
+      }
       /// Iterator class for the incoming arcs of a node.
 …
         InArcIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the incoming directed arcs of a
+      /// certain node of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// incoming arcs of a certain node of the graph. It returns a wrapped
+      /// InArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, stl algorithms, etc.
+      /// For example if g is a BpGraph and u is a Node, you can write:
+      ///\code
+      /// for(auto a: g.inArcs(u))
+      ///   doSomething(a);
+      ///\endcode
+      LemonRangeWrapper2<InArcIt, BpGraph, Node> inArcs(const Node& u) const {
+        return LemonRangeWrapper2<InArcIt, BpGraph, Node>(*this, u);
+      }
       /// \brief Standard graph map type for the nodes.

lemon/concepts/digraph.h

-                      r1093
+                      r1130
 #include <lemon/concept_check.h>
 #include <lemon/concepts/graph_components.h>
+#include <lemon/bits/stl_iterators.h>
 namespace lemon {
 …
       };
+      /// \brief Gets the collection of the nodes of the digraph.
+      ///
+      /// This function can be used for iterating on
+      /// the nodes of the digraph. It returns a wrapped NodeIt, which looks
+      /// like an STL container (by having begin() and end())
+      /// which you can use in range-based for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// ListDigraph g;
+      /// for(auto v: g.nodes())
+      ///   doSomething(v);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.nodes().begin(), g.nodes().end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper1<NodeIt, Digraph> nodes() const {
+        return LemonRangeWrapper1<NodeIt, Digraph>(*this);
+      }
       /// The arc type of the digraph
 …
       };
+      /// \brief Gets the collection of the outgoing arcs of a certain node
+      /// of the digraph.
+      ///
+      /// This function can be used for iterating on the
+      /// outgoing arcs of a certain node of the digraph. It returns a wrapped
+      /// OutArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example if g is a Digraph and u is a node, you can write:
+      ///\code
+      /// for(auto a: g.outArcs(u))
+      ///   doSomething(a);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.outArcs(u).begin(), g.outArcs(u).end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper2<OutArcIt, Digraph, Node> outArcs(const Node& u) const {
+        return LemonRangeWrapper2<OutArcIt, Digraph, Node>(*this, u);
+      }
       /// Iterator class for the incoming arcs of a node.
 …
       };
+      /// \brief Gets the collection of the incoming arcs of a certain node
+      /// of the digraph.
+      ///
+      /// This function can be used for iterating on the
+      /// incoming arcs of a certain node of the digraph. It returns a wrapped
+      /// InArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example if g is a Digraph and u is a node, you can write:
+      ///\code
+      /// for(auto a: g.inArcs(u))
+      ///   doSomething(a);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.inArcs(u).begin(), g.inArcs(u).end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper2<InArcIt, Digraph, Node> inArcs(const Node& u) const {
+        return LemonRangeWrapper2<InArcIt, Digraph, Node>(*this, u);
+      }
       /// Iterator class for the arcs.
 …
         ArcIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the arcs of the digraph.
+      ///
+      /// This function can be used for iterating on the
+      /// arcs of the digraph. It returns a wrapped
+      /// ArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// ListDigraph g;
+      /// for(auto a: g.arcs())
+      ///   doSomething(a);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.arcs().begin(), g.arcs().end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper1<ArcIt, Digraph> arcs() const {
+        return LemonRangeWrapper1<ArcIt, Digraph>(*this);
+      }
       /// \brief The source node of the arc.

lemon/concepts/graph.h

-                      r1093
+                      r1130
 #include <lemon/concept_check.h>
 #include <lemon/core.h>
+#include <lemon/bits/stl_iterators.h>
 namespace lemon {
 …
       };
+      /// \brief Gets the collection of the nodes of the graph.
+      ///
+      /// This function can be used for iterating on
+      /// the nodes of the graph. It returns a wrapped NodeIt, which looks
+      /// like an STL container (by having begin() and end())
+      /// which you can use in range-based for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// ListGraph g;
+      /// for(auto v: g.nodes())
+      ///   doSomething(v);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.nodes().begin(), g.nodes().end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper1<NodeIt, Graph> nodes() const {
+        return LemonRangeWrapper1<NodeIt, Graph>(*this);
+      }
       /// The edge type of the graph
 …
         EdgeIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the edges of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// edges of the graph. It returns a wrapped
+      /// EdgeIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// ListGraph g;
+      /// for(auto e: g.edges())
+      ///   doSomething(e);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.edges().begin(), g.edges().end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper1<EdgeIt, Graph> edges() const {
+        return LemonRangeWrapper1<EdgeIt, Graph>(*this);
+      }
       /// Iterator class for the incident edges of a node.
 …
       };
+      /// \brief Gets the collection of the incident undirected edges
+      ///  of a certain node of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// incident undirected edges of a certain node of the graph.
+      /// It returns a wrapped
+      /// IncEdgeIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example if g is a Graph and u is a Node, you can write:
+      ///\code
+      /// for(auto e: g.incEdges(u))
+      ///   doSomething(e);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.incEdges(u).begin(), g.incEdges(u).end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper2<IncEdgeIt, Graph, Node> incEdges(const Node& u) const {
+        return LemonRangeWrapper2<IncEdgeIt, Graph, Node>(*this, u);
+      }
       /// The arc type of the graph
 …
         ArcIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the directed arcs of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// arcs of the graph. It returns a wrapped
+      /// ArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// ListGraph g;
+      /// for(auto a: g.arcs())
+      ///   doSomething(a);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.arcs().begin(), g.arcs().end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper1<ArcIt, Graph> arcs() const {
+        return LemonRangeWrapper1<ArcIt, Graph>(*this);
+      }
       /// Iterator class for the outgoing arcs of a node.
 …
       };
+      /// \brief Gets the collection of the outgoing directed arcs of a
+      /// certain node of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// outgoing arcs of a certain node of the graph. It returns a wrapped
+      /// OutArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example if g is a Graph and u is a Node, you can write:
+      ///\code
+      /// for(auto a: g.outArcs(u))
+      ///   doSomething(a);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.outArcs(u).begin(), g.outArcs(u).end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper2<OutArcIt, Graph, Node> outArcs(const Node& u) const {
+        return LemonRangeWrapper2<OutArcIt, Graph, Node>(*this, u);
+      }
       /// Iterator class for the incoming arcs of a node.
 …
         InArcIt& operator++() { return *this; }
       };
+      /// \brief Gets the collection of the incoming directed arcs of
+      /// a certain node of the graph.
+      ///
+      /// This function can be used for iterating on the
+      /// incoming directed arcs of a certain node of the graph. It returns
+      /// a wrapped InArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example if g is a Graph and u is a Node, you can write:
+      ///\code
+      /// for(auto a: g.inArcs(u))
+      ///   doSomething(a);
+      ///
+      /// //Using an STL algorithm:
+      /// copy(g.inArcs(u).begin(), g.inArcs(u).end(), vect.begin());
+      ///\endcode
+      LemonRangeWrapper2<InArcIt, Graph, Node> inArcs(const Node& u) const {
+        return LemonRangeWrapper2<InArcIt, Graph, Node>(*this, u);
+      }
       /// \brief Standard graph map type for the nodes.

lemon/concepts/path.h

-                      r1092
+                      r1130
 #include <lemon/core.h>
 #include <lemon/concept_check.h>
+#include <lemon/bits/stl_iterators.h>
 namespace lemon {
 …
       };
+      /// \brief Gets the collection of the arcs of the path.
+      ///
+      /// This function can be used for iterating on the
+      /// arcs of the path. It returns a wrapped
+      /// ArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// for(auto a: p.arcs())
+      ///   doSomething(a);
+      ///\endcode
+      LemonRangeWrapper1<ArcIt, Path> arcs() const {
+        return LemonRangeWrapper1<ArcIt, Path>(*this);
+      }
       template <typename _Path>
       struct Constraints {
 …
       };
+      /// \brief Gets the collection of the arcs of the path.
+      ///
+      /// This function can be used for iterating on the
+      /// arcs of the path. It returns a wrapped
+      /// ArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// for(auto a: p.arcs())
+      ///   doSomething(a);
+      ///\endcode
+      LemonRangeWrapper1<ArcIt, PathDumper> arcs() const {
+        return LemonRangeWrapper1<ArcIt, PathDumper>(*this);
+      }
       /// \brief LEMON style iterator for enumerating the arcs of a path
 …
       };
+      /// \brief Gets the collection of the arcs of the path
+      /// in reverse direction.
+      ///
+      /// This function can be used for iterating on the
+      /// arcs of the path in reverse direction. It returns a wrapped
+      /// RevArcIt, which looks like an STL container
+      /// (by having begin() and end()) which you can use in range-based
+      /// for loops, STL algorithms, etc.
+      /// For example you can write:
+      ///\code
+      /// for(auto a: p.revArcs())
+      ///   doSomething(a);
+      ///\endcode
+      LemonRangeWrapper1<RevArcIt, PathDumper> revArcs() const {
+        return LemonRangeWrapper1<RevArcIt, PathDumper>(*this);
+      }
       template <typename _Path>
       struct Constraints {

lemon/cplex.cc

-                      r1125
+                      r1130
     int status;
     _prob = CPXcloneprob(cplexEnv(), cplex._prob, &status);
     rows = cplex.rows;
     cols = cplex.cols;
+    _rows = cplex._rows;
+    _cols = cplex._cols;
     messageLevel(MESSAGE_NOTHING);
+  }
 …
   void CplexBase::_eraseColId(int i) {
     cols.eraseIndex(i);
     cols.shiftIndices(i);
+    _cols.eraseIndex(i);
+    _cols.shiftIndices(i);
+  }
   void CplexBase::_eraseRowId(int i) {
     rows.eraseIndex(i);
     rows.shiftIndices(i);
+    _rows.eraseIndex(i);
+    _rows.shiftIndices(i);
+  }

lemon/glpk.cc

-                      r1092
+                      r1130
     glp_copy_prob(lp, other.lp, GLP_ON);
     glp_create_index(lp);
     rows = other.rows;
     cols = other.cols;
+    _rows = other._rows;
+    _cols = other._cols;
     messageLevel(MESSAGE_NOTHING);
+  }
 …
   void GlpkBase::_eraseColId(int i) {
     cols.eraseIndex(i);
     cols.shiftIndices(i);
+    _cols.eraseIndex(i);
+    _cols.shiftIndices(i);
+  }
   void GlpkBase::_eraseRowId(int i) {
     rows.eraseIndex(i);
     rows.shiftIndices(i);
+    _rows.eraseIndex(i);
+    _rows.shiftIndices(i);
+  }

lemon/glpk.h

-                      r1092
+                      r1130
     ///Returns the constraint identifier understood by GLPK.
     int lpxRow(Row r) const { return rows(id(r)); }
+    int lpxRow(Row r) const { return _rows(id(r)); }
     ///Returns the variable identifier understood by GLPK.
     int lpxCol(Col c) const { return cols(id(c)); }
+    int lpxCol(Col c) const { return _cols(id(c)); }
 #ifdef DOXYGEN

lemon/list_graph.h

-                      r1092
+                      r1130
     };
     std::vector<NodeT> nodes;
+    std::vector<NodeT> _nodes;
     int first_node;
 …
     int first_free_node;
     std::vector<ArcT> arcs;
+    std::vector<ArcT> _arcs;
     int first_free_arc;
 …
     ListDigraphBase()
       : nodes(), first_node(-1),
         first_free_node(-1), arcs(), first_free_arc(-1) {}
     int maxNodeId() const { return nodes.size()-1; }
     int maxArcId() const { return arcs.size()-1; }
     Node source(Arc e) const { return Node(arcs[e.id].source); }
     Node target(Arc e) const { return Node(arcs[e.id].target); }
+      : _nodes(), first_node(-1),
+        first_free_node(-1), _arcs(), first_free_arc(-1) {}
+    int maxNodeId() const { return _nodes.size()-1; }
+    int maxArcId() const { return _arcs.size()-1; }
+    Node source(Arc e) const { return Node(_arcs[e.id].source); }
+    Node target(Arc e) const { return Node(_arcs[e.id].target); }
 …
     void next(Node& node) const {
       node.id = nodes[node.id].next;
+      node.id = _nodes[node.id].next;
+    }
 …
       int n;
       for(n = first_node;
           n != -1 && nodes[n].first_out == -1;
           n = nodes[n].next) {}
       arc.id = (n == -1) ? -1 : nodes[n].first_out;
+          n != -1 && _nodes[n].first_out == -1;
+          n = _nodes[n].next) {}
+      arc.id = (n == -1) ? -1 : _nodes[n].first_out;
+    }
     void next(Arc& arc) const {
       if (arcs[arc.id].next_out != -1) {
         arc.id = arcs[arc.id].next_out;
+      if (_arcs[arc.id].next_out != -1) {
+        arc.id = _arcs[arc.id].next_out;
       } else {
         int n;
         for(n = nodes[arcs[arc.id].source].next;
             n != -1 && nodes[n].first_out == -1;
             n = nodes[n].next) {}
         arc.id = (n == -1) ? -1 : nodes[n].first_out;
+        for(n = _nodes[_arcs[arc.id].source].next;
+            n != -1 && _nodes[n].first_out == -1;
+            n = _nodes[n].next) {}
+        arc.id = (n == -1) ? -1 : _nodes[n].first_out;
+      }
+    }
     void firstOut(Arc &e, const Node& v) const {
       e.id = nodes[v.id].first_out;
+      e.id = _nodes[v.id].first_out;
+    }
     void nextOut(Arc &e) const {
       e.id=arcs[e.id].next_out;
+      e.id=_arcs[e.id].next_out;
+    }
     void firstIn(Arc &e, const Node& v) const {
       e.id = nodes[v.id].first_in;
+      e.id = _nodes[v.id].first_in;
+    }
     void nextIn(Arc &e) const {
       e.id=arcs[e.id].next_in;
+      e.id=_arcs[e.id].next_in;
+    }
 …
     bool valid(Node n) const {
       return n.id >= 0 && n.id < static_cast<int>(nodes.size()) &&
         nodes[n.id].prev != -2;
+      return n.id >= 0 && n.id < static_cast<int>(_nodes.size()) &&
+        _nodes[n.id].prev != -2;
+    }
     bool valid(Arc a) const {
       return a.id >= 0 && a.id < static_cast<int>(arcs.size()) &&
         arcs[a.id].prev_in != -2;
+      return a.id >= 0 && a.id < static_cast<int>(_arcs.size()) &&
+        _arcs[a.id].prev_in != -2;
+    }
 …
       if(first_free_node==-1) {
         n = nodes.size();
         nodes.push_back(NodeT());
+        n = _nodes.size();
+        _nodes.push_back(NodeT());
       } else {
         n = first_free_node;
         first_free_node = nodes[n].next;
+      }
       nodes[n].next = first_node;
       if(first_node != -1) nodes[first_node].prev = n;
+        first_free_node = _nodes[n].next;
+      }
+      _nodes[n].next = first_node;
+      if(first_node != -1) _nodes[first_node].prev = n;
       first_node = n;
       nodes[n].prev = -1;
       nodes[n].first_in = nodes[n].first_out = -1;
+      _nodes[n].prev = -1;
+      _nodes[n].first_in = _nodes[n].first_out = -1;
       return Node(n);
 …
       if (first_free_arc == -1) {
         n = arcs.size();
         arcs.push_back(ArcT());
+        n = _arcs.size();
+        _arcs.push_back(ArcT());
       } else {
         n = first_free_arc;
         first_free_arc = arcs[n].next_in;
+      }
       arcs[n].source = u.id;
       arcs[n].target = v.id;
       arcs[n].next_out = nodes[u.id].first_out;
       if(nodes[u.id].first_out != -1) {
         arcs[nodes[u.id].first_out].prev_out = n;
+      }
       arcs[n].next_in = nodes[v.id].first_in;
       if(nodes[v.id].first_in != -1) {
         arcs[nodes[v.id].first_in].prev_in = n;
+      }
       arcs[n].prev_in = arcs[n].prev_out = -1;
       nodes[u.id].first_out = nodes[v.id].first_in = n;
+        first_free_arc = _arcs[n].next_in;
+      }
+      _arcs[n].source = u.id;
+      _arcs[n].target = v.id;
+      _arcs[n].next_out = _nodes[u.id].first_out;
+      if(_nodes[u.id].first_out != -1) {
+        _arcs[_nodes[u.id].first_out].prev_out = n;
+      }
+      _arcs[n].next_in = _nodes[v.id].first_in;
+      if(_nodes[v.id].first_in != -1) {
+        _arcs[_nodes[v.id].first_in].prev_in = n;
+      }
+      _arcs[n].prev_in = _arcs[n].prev_out = -1;
+      _nodes[u.id].first_out = _nodes[v.id].first_in = n;
       return Arc(n);
 …
       int n = node.id;
       if(nodes[n].next != -1) {
         nodes[nodes[n].next].prev = nodes[n].prev;
+      }
       if(nodes[n].prev != -1) {
         nodes[nodes[n].prev].next = nodes[n].next;
       } else {
         first_node = nodes[n].next;
+      }
       nodes[n].next = first_free_node;
+      if(_nodes[n].next != -1) {
+        _nodes[_nodes[n].next].prev = _nodes[n].prev;
+      }
+      if(_nodes[n].prev != -1) {
+        _nodes[_nodes[n].prev].next = _nodes[n].next;
+      } else {
+        first_node = _nodes[n].next;
+      }
+      _nodes[n].next = first_free_node;
       first_free_node = n;
       nodes[n].prev = -2;
+      _nodes[n].prev = -2;
+    }
 …
       int n = arc.id;
       if(arcs[n].next_in!=-1) {
         arcs[arcs[n].next_in].prev_in = arcs[n].prev_in;
+      }
       if(arcs[n].prev_in!=-1) {
         arcs[arcs[n].prev_in].next_in = arcs[n].next_in;
       } else {
         nodes[arcs[n].target].first_in = arcs[n].next_in;
+      }
       if(arcs[n].next_out!=-1) {
         arcs[arcs[n].next_out].prev_out = arcs[n].prev_out;
+      }
       if(arcs[n].prev_out!=-1) {
         arcs[arcs[n].prev_out].next_out = arcs[n].next_out;
       } else {
         nodes[arcs[n].source].first_out = arcs[n].next_out;
+      }
       arcs[n].next_in = first_free_arc;
+      if(_arcs[n].next_in!=-1) {
+        _arcs[_arcs[n].next_in].prev_in = _arcs[n].prev_in;
+      }
+      if(_arcs[n].prev_in!=-1) {
+        _arcs[_arcs[n].prev_in].next_in = _arcs[n].next_in;
+      } else {
+        _nodes[_arcs[n].target].first_in = _arcs[n].next_in;
+      }
+      if(_arcs[n].next_out!=-1) {
+        _arcs[_arcs[n].next_out].prev_out = _arcs[n].prev_out;
+      }
+      if(_arcs[n].prev_out!=-1) {
+        _arcs[_arcs[n].prev_out].next_out = _arcs[n].next_out;
+      } else {
+        _nodes[_arcs[n].source].first_out = _arcs[n].next_out;
+      }
+      _arcs[n].next_in = first_free_arc;
       first_free_arc = n;
       arcs[n].prev_in = -2;
+      _arcs[n].prev_in = -2;
+    }
     void clear() {
       arcs.clear();
       nodes.clear();
+      _arcs.clear();
+      _nodes.clear();
       first_node = first_free_node = first_free_arc = -1;
+    }
 …
     void changeTarget(Arc e, Node n)
+    {
       if(arcs[e.id].next_in != -1)
         arcs[arcs[e.id].next_in].prev_in = arcs[e.id].prev_in;
       if(arcs[e.id].prev_in != -1)
         arcs[arcs[e.id].prev_in].next_in = arcs[e.id].next_in;
       else nodes[arcs[e.id].target].first_in = arcs[e.id].next_in;
       if (nodes[n.id].first_in != -1) {
         arcs[nodes[n.id].first_in].prev_in = e.id;
+      }
       arcs[e.id].target = n.id;
       arcs[e.id].prev_in = -1;
       arcs[e.id].next_in = nodes[n.id].first_in;
       nodes[n.id].first_in = e.id;
+      if(_arcs[e.id].next_in != -1)
+        _arcs[_arcs[e.id].next_in].prev_in = _arcs[e.id].prev_in;
+      if(_arcs[e.id].prev_in != -1)
+        _arcs[_arcs[e.id].prev_in].next_in = _arcs[e.id].next_in;
+      else _nodes[_arcs[e.id].target].first_in = _arcs[e.id].next_in;
+      if (_nodes[n.id].first_in != -1) {
+        _arcs[_nodes[n.id].first_in].prev_in = e.id;
+      }
+      _arcs[e.id].target = n.id;
+      _arcs[e.id].prev_in = -1;
+      _arcs[e.id].next_in = _nodes[n.id].first_in;
+      _nodes[n.id].first_in = e.id;
+    }
     void changeSource(Arc e, Node n)
+    {
       if(arcs[e.id].next_out != -1)
         arcs[arcs[e.id].next_out].prev_out = arcs[e.id].prev_out;
       if(arcs[e.id].prev_out != -1)
         arcs[arcs[e.id].prev_out].next_out = arcs[e.id].next_out;
       else nodes[arcs[e.id].source].first_out = arcs[e.id].next_out;
       if (nodes[n.id].first_out != -1) {
         arcs[nodes[n.id].first_out].prev_out = e.id;
+      }
       arcs[e.id].source = n.id;
       arcs[e.id].prev_out = -1;
       arcs[e.id].next_out = nodes[n.id].first_out;
       nodes[n.id].first_out = e.id;
+      if(_arcs[e.id].next_out != -1)
+        _arcs[_arcs[e.id].next_out].prev_out = _arcs[e.id].prev_out;
+      if(_arcs[e.id].prev_out != -1)
+        _arcs[_arcs[e.id].prev_out].next_out = _arcs[e.id].next_out;
+      else _nodes[_arcs[e.id].source].first_out = _arcs[e.id].next_out;
+      if (_nodes[n.id].first_out != -1) {
+        _arcs[_nodes[n.id].first_out].prev_out = e.id;
+      }
+      _arcs[e.id].source = n.id;
+      _arcs[e.id].prev_out = -1;
+      _arcs[e.id].next_out = _nodes[n.id].first_out;
+      _nodes[n.id].first_out = e.id;
+    }
 …
     Node split(Node n, bool connect = true) {
       Node b = addNode();
       nodes[b.id].first_out=nodes[n.id].first_out;
       nodes[n.id].first_out=-1;
       for(int i=nodes[b.id].first_out; i!=-1; i=arcs[i].next_out) {
         arcs[i].source=b.id;
+      _nodes[b.id].first_out=_nodes[n.id].first_out;
+      _nodes[n.id].first_out=-1;
+      for(int i=_nodes[b.id].first_out; i!=-1; i=_arcs[i].next_out) {
+        _arcs[i].source=b.id;
+      }
       if (connect) addArc(n,b);
 …
     /// to build the digraph.
     /// \sa reserveArc()
     void reserveNode(int n) { nodes.reserve(n); };
+    void reserveNode(int n) { _nodes.reserve(n); };
     /// Reserve memory for arcs.
 …
     /// to build the digraph.
     /// \sa reserveNode()
     void reserveArc(int m) { arcs.reserve(m); };
+    void reserveArc(int m) { _arcs.reserve(m); };
     /// \brief Class to make a snapshot of the digraph and restore
 …
     };
     std::vector<NodeT> nodes;
+    std::vector<NodeT> _nodes;
     int first_node;
 …
     int first_free_node;
     std::vector<ArcT> arcs;
+    std::vector<ArcT> _arcs;
     int first_free_arc;
 …
     ListGraphBase()
       : nodes(), first_node(-1),
         first_free_node(-1), arcs(), first_free_arc(-1) {}
     int maxNodeId() const { return nodes.size()-1; }
     int maxEdgeId() const { return arcs.size() / 2 - 1; }
     int maxArcId() const { return arcs.size()-1; }
     Node source(Arc e) const { return Node(arcs[e.id ^ 1].target); }
     Node target(Arc e) const { return Node(arcs[e.id].target); }
     Node u(Edge e) const { return Node(arcs[2 * e.id].target); }
     Node v(Edge e) const { return Node(arcs[2 * e.id + 1].target); }
+      : _nodes(), first_node(-1),
+        first_free_node(-1), _arcs(), first_free_arc(-1) {}
+    int maxNodeId() const { return _nodes.size()-1; }
+    int maxEdgeId() const { return _arcs.size() / 2 - 1; }
+    int maxArcId() const { return _arcs.size()-1; }
+    Node source(Arc e) const { return Node(_arcs[e.id ^ 1].target); }
+    Node target(Arc e) const { return Node(_arcs[e.id].target); }
+    Node u(Edge e) const { return Node(_arcs[2 * e.id].target); }
+    Node v(Edge e) const { return Node(_arcs[2 * e.id + 1].target); }
     static bool direction(Arc e) {
 …
     void next(Node& node) const {
       node.id = nodes[node.id].next;
+      node.id = _nodes[node.id].next;
+    }
     void first(Arc& e) const {
       int n = first_node;
       while (n != -1 && nodes[n].first_out == -1) {
         n = nodes[n].next;
+      }
       e.id = (n == -1) ? -1 : nodes[n].first_out;
+      while (n != -1 && _nodes[n].first_out == -1) {
+        n = _nodes[n].next;
+      }
+      e.id = (n == -1) ? -1 : _nodes[n].first_out;
+    }
     void next(Arc& e) const {
       if (arcs[e.id].next_out != -1) {
         e.id = arcs[e.id].next_out;
       } else {
         int n = nodes[arcs[e.id ^ 1].target].next;
         while(n != -1 && nodes[n].first_out == -1) {
           n = nodes[n].next;
+        }
         e.id = (n == -1) ? -1 : nodes[n].first_out;
+      if (_arcs[e.id].next_out != -1) {
+        e.id = _arcs[e.id].next_out;
+      } else {
+        int n = _nodes[_arcs[e.id ^ 1].target].next;
+        while(n != -1 && _nodes[n].first_out == -1) {
+          n = _nodes[n].next;
+        }
+        e.id = (n == -1) ? -1 : _nodes[n].first_out;
+      }
+    }
 …
       int n = first_node;
       while (n != -1) {
         e.id = nodes[n].first_out;
+        e.id = _nodes[n].first_out;
         while ((e.id & 1) != 1) {
           e.id = arcs[e.id].next_out;
+          e.id = _arcs[e.id].next_out;
+        }
         if (e.id != -1) {
 …
           return;
+        }
         n = nodes[n].next;
+        n = _nodes[n].next;
+      }
       e.id = -1;
 …
     void next(Edge& e) const {
       int n = arcs[e.id * 2].target;
       e.id = arcs[(e.id * 2) | 1].next_out;
+      int n = _arcs[e.id * 2].target;
+      e.id = _arcs[(e.id * 2) | 1].next_out;
       while ((e.id & 1) != 1) {
         e.id = arcs[e.id].next_out;
+        e.id = _arcs[e.id].next_out;
+      }
       if (e.id != -1) {
 …
         return;
+      }
       n = nodes[n].next;
+      n = _nodes[n].next;
       while (n != -1) {
         e.id = nodes[n].first_out;
+        e.id = _nodes[n].first_out;
         while ((e.id & 1) != 1) {
           e.id = arcs[e.id].next_out;
+          e.id = _arcs[e.id].next_out;
+        }
         if (e.id != -1) {
 …
           return;
+        }
         n = nodes[n].next;
+        n = _nodes[n].next;
+      }
       e.id = -1;
 …
     void firstOut(Arc &e, const Node& v) const {
       e.id = nodes[v.id].first_out;
+      e.id = _nodes[v.id].first_out;
+    }
     void nextOut(Arc &e) const {
       e.id = arcs[e.id].next_out;
+      e.id = _arcs[e.id].next_out;
+    }
     void firstIn(Arc &e, const Node& v) const {
       e.id = ((nodes[v.id].first_out) ^ 1);
+      e.id = ((_nodes[v.id].first_out) ^ 1);
       if (e.id == -2) e.id = -1;
+    }
     void nextIn(Arc &e) const {
       e.id = ((arcs[e.id ^ 1].next_out) ^ 1);
+      e.id = ((_arcs[e.id ^ 1].next_out) ^ 1);
       if (e.id == -2) e.id = -1;
+    }
     void firstInc(Edge &e, bool& d, const Node& v) const {
       int a = nodes[v.id].first_out;
+      int a = _nodes[v.id].first_out;
       if (a != -1 ) {
         e.id = a / 2;
 …
+    }
     void nextInc(Edge &e, bool& d) const {
       int a = (arcs[(e.id * 2) | (d ? 1 : 0)].next_out);
+      int a = (_arcs[(e.id * 2) | (d ? 1 : 0)].next_out);
       if (a != -1 ) {
         e.id = a / 2;
 …
     bool valid(Node n) const {
       return n.id >= 0 && n.id < static_cast<int>(nodes.size()) &&
         nodes[n.id].prev != -2;
+      return n.id >= 0 && n.id < static_cast<int>(_nodes.size()) &&
+        _nodes[n.id].prev != -2;
+    }
     bool valid(Arc a) const {
       return a.id >= 0 && a.id < static_cast<int>(arcs.size()) &&
         arcs[a.id].prev_out != -2;
+      return a.id >= 0 && a.id < static_cast<int>(_arcs.size()) &&
+        _arcs[a.id].prev_out != -2;
+    }
     bool valid(Edge e) const {
       return e.id >= 0 && 2 * e.id < static_cast<int>(arcs.size()) &&
         arcs[2 * e.id].prev_out != -2;
+      return e.id >= 0 && 2 * e.id < static_cast<int>(_arcs.size()) &&
+        _arcs[2 * e.id].prev_out != -2;
+    }
 …
       if(first_free_node==-1) {
         n = nodes.size();
         nodes.push_back(NodeT());
+        n = _nodes.size();
+        _nodes.push_back(NodeT());
       } else {
         n = first_free_node;
         first_free_node = nodes[n].next;
+      }
       nodes[n].next = first_node;
       if (first_node != -1) nodes[first_node].prev = n;
+        first_free_node = _nodes[n].next;
+      }
+      _nodes[n].next = first_node;
+      if (first_node != -1) _nodes[first_node].prev = n;
       first_node = n;
       nodes[n].prev = -1;
       nodes[n].first_out = -1;
+      _nodes[n].prev = -1;
+      _nodes[n].first_out = -1;
       return Node(n);
 …
       if (first_free_arc == -1) {
         n = arcs.size();
         arcs.push_back(ArcT());
         arcs.push_back(ArcT());
+        n = _arcs.size();
+        _arcs.push_back(ArcT());
+        _arcs.push_back(ArcT());
       } else {
         n = first_free_arc;
         first_free_arc = arcs[n].next_out;
+      }
       arcs[n].target = u.id;
       arcs[n | 1].target = v.id;
       arcs[n].next_out = nodes[v.id].first_out;
       if (nodes[v.id].first_out != -1) {
         arcs[nodes[v.id].first_out].prev_out = n;
+      }
       arcs[n].prev_out = -1;
       nodes[v.id].first_out = n;
       arcs[n | 1].next_out = nodes[u.id].first_out;
       if (nodes[u.id].first_out != -1) {
         arcs[nodes[u.id].first_out].prev_out = (n | 1);
+      }
       arcs[n | 1].prev_out = -1;
       nodes[u.id].first_out = (n | 1);
+        first_free_arc = _arcs[n].next_out;
+      }
+      _arcs[n].target = u.id;
+      _arcs[n | 1].target = v.id;
+      _arcs[n].next_out = _nodes[v.id].first_out;
+      if (_nodes[v.id].first_out != -1) {
+        _arcs[_nodes[v.id].first_out].prev_out = n;
+      }
+      _arcs[n].prev_out = -1;
+      _nodes[v.id].first_out = n;
+      _arcs[n | 1].next_out = _nodes[u.id].first_out;
+      if (_nodes[u.id].first_out != -1) {
+        _arcs[_nodes[u.id].first_out].prev_out = (n | 1);
+      }
+      _arcs[n | 1].prev_out = -1;
+      _nodes[u.id].first_out = (n | 1);
       return Edge(n / 2);
 …
       int n = node.id;
       if(nodes[n].next != -1) {
         nodes[nodes[n].next].prev = nodes[n].prev;
+      }
       if(nodes[n].prev != -1) {
         nodes[nodes[n].prev].next = nodes[n].next;
       } else {
         first_node = nodes[n].next;
+      }
       nodes[n].next = first_free_node;
+      if(_nodes[n].next != -1) {
+        _nodes[_nodes[n].next].prev = _nodes[n].prev;
+      }
+      if(_nodes[n].prev != -1) {
+        _nodes[_nodes[n].prev].next = _nodes[n].next;
+      } else {
+        first_node = _nodes[n].next;
+      }
+      _nodes[n].next = first_free_node;
       first_free_node = n;
       nodes[n].prev = -2;
+      _nodes[n].prev = -2;
+    }
 …
       int n = edge.id * 2;
       if (arcs[n].next_out != -1) {
         arcs[arcs[n].next_out].prev_out = arcs[n].prev_out;
+      }
       if (arcs[n].prev_out != -1) {
         arcs[arcs[n].prev_out].next_out = arcs[n].next_out;
       } else {
         nodes[arcs[n | 1].target].first_out = arcs[n].next_out;
+      }
       if (arcs[n | 1].next_out != -1) {
         arcs[arcs[n | 1].next_out].prev_out = arcs[n | 1].prev_out;
+      }
       if (arcs[n | 1].prev_out != -1) {
         arcs[arcs[n | 1].prev_out].next_out = arcs[n | 1].next_out;
       } else {
         nodes[arcs[n].target].first_out = arcs[n | 1].next_out;
+      }
       arcs[n].next_out = first_free_arc;
+      if (_arcs[n].next_out != -1) {
+        _arcs[_arcs[n].next_out].prev_out = _arcs[n].prev_out;
+      }
+      if (_arcs[n].prev_out != -1) {
+        _arcs[_arcs[n].prev_out].next_out = _arcs[n].next_out;
+      } else {
+        _nodes[_arcs[n | 1].target].first_out = _arcs[n].next_out;
+      }
+      if (_arcs[n | 1].next_out != -1) {
+        _arcs[_arcs[n | 1].next_out].prev_out = _arcs[n | 1].prev_out;
+      }
+      if (_arcs[n | 1].prev_out != -1) {
+        _arcs[_arcs[n | 1].prev_out].next_out = _arcs[n | 1].next_out;
+      } else {
+        _nodes[_arcs[n].target].first_out = _arcs[n | 1].next_out;
+      }
+      _arcs[n].next_out = first_free_arc;
       first_free_arc = n;
       arcs[n].prev_out = -2;
       arcs[n | 1].prev_out = -2;
+      _arcs[n].prev_out = -2;
+      _arcs[n | 1].prev_out = -2;
+    }
     void clear() {
       arcs.clear();
       nodes.clear();
+      _arcs.clear();
+      _nodes.clear();
       first_node = first_free_node = first_free_arc = -1;
+    }
 …
     void changeV(Edge e, Node n) {
       if(arcs[2 * e.id].next_out != -1) {
         arcs[arcs[2 * e.id].next_out].prev_out = arcs[2 * e.id].prev_out;
+      }
       if(arcs[2 * e.id].prev_out != -1) {
         arcs[arcs[2 * e.id].prev_out].next_out =
           arcs[2 * e.id].next_out;
       } else {
         nodes[arcs[(2 * e.id) | 1].target].first_out =
           arcs[2 * e.id].next_out;
+      }
       if (nodes[n.id].first_out != -1) {
         arcs[nodes[n.id].first_out].prev_out = 2 * e.id;
+      }
       arcs[(2 * e.id) | 1].target = n.id;
       arcs[2 * e.id].prev_out = -1;
       arcs[2 * e.id].next_out = nodes[n.id].first_out;
       nodes[n.id].first_out = 2 * e.id;
+      if(_arcs[2 * e.id].next_out != -1) {
+        _arcs[_arcs[2 * e.id].next_out].prev_out = _arcs[2 * e.id].prev_out;
+      }
+      if(_arcs[2 * e.id].prev_out != -1) {
+        _arcs[_arcs[2 * e.id].prev_out].next_out =
+          _arcs[2 * e.id].next_out;
+      } else {
+        _nodes[_arcs[(2 * e.id) | 1].target].first_out =
+          _arcs[2 * e.id].next_out;
+      }
+      if (_nodes[n.id].first_out != -1) {
+        _arcs[_nodes[n.id].first_out].prev_out = 2 * e.id;
+      }
+      _arcs[(2 * e.id) | 1].target = n.id;
+      _arcs[2 * e.id].prev_out = -1;
+      _arcs[2 * e.id].next_out = _nodes[n.id].first_out;
+      _nodes[n.id].first_out = 2 * e.id;
+    }
     void changeU(Edge e, Node n) {
       if(arcs[(2 * e.id) | 1].next_out != -1) {
         arcs[arcs[(2 * e.id) | 1].next_out].prev_out =
           arcs[(2 * e.id) | 1].prev_out;
+      }
       if(arcs[(2 * e.id) | 1].prev_out != -1) {
         arcs[arcs[(2 * e.id) | 1].prev_out].next_out =
           arcs[(2 * e.id) | 1].next_out;
       } else {
         nodes[arcs[2 * e.id].target].first_out =
           arcs[(2 * e.id) | 1].next_out;
+      }
       if (nodes[n.id].first_out != -1) {
         arcs[nodes[n.id].first_out].prev_out = ((2 * e.id) | 1);
+      }
       arcs[2 * e.id].target = n.id;
       arcs[(2 * e.id) | 1].prev_out = -1;
       arcs[(2 * e.id) | 1].next_out = nodes[n.id].first_out;
       nodes[n.id].first_out = ((2 * e.id) | 1);
+      if(_arcs[(2 * e.id) | 1].next_out != -1) {
+        _arcs[_arcs[(2 * e.id) | 1].next_out].prev_out =
+          _arcs[(2 * e.id) | 1].prev_out;
+      }
+      if(_arcs[(2 * e.id) | 1].prev_out != -1) {
+        _arcs[_arcs[(2 * e.id) | 1].prev_out].next_out =
+          _arcs[(2 * e.id) | 1].next_out;
+      } else {
+        _nodes[_arcs[2 * e.id].target].first_out =
+          _arcs[(2 * e.id) | 1].next_out;
+      }
+      if (_nodes[n.id].first_out != -1) {
+        _arcs[_nodes[n.id].first_out].prev_out = ((2 * e.id) | 1);
+      }
+      _arcs[2 * e.id].target = n.id;
+      _arcs[(2 * e.id) | 1].prev_out = -1;
+      _arcs[(2 * e.id) | 1].next_out = _nodes[n.id].first_out;
+      _nodes[n.id].first_out = ((2 * e.id) | 1);
+    }
 …
     /// to build the graph.
     /// \sa reserveEdge()
     void reserveNode(int n) { nodes.reserve(n); };
+    void reserveNode(int n) { _nodes.reserve(n); };
     /// Reserve memory for edges.
 …
     /// to build the graph.
     /// \sa reserveNode()
     void reserveEdge(int m) { arcs.reserve(2 * m); };
+    void reserveEdge(int m) { _arcs.reserve(2 * m); };
     /// \brief Class to make a snapshot of the graph and restore
 …
     };
     std::vector<NodeT> nodes;
+    std::vector<NodeT> _nodes;
     int first_node, first_red, first_blue;
 …
     int first_free_red, first_free_blue;
     std::vector<ArcT> arcs;
+    std::vector<ArcT> _arcs;
     int first_free_arc;
 …
     ListBpGraphBase()
       : nodes(), first_node(-1),
+      : _nodes(), first_node(-1),
         first_red(-1), first_blue(-1),
         max_red(-1), max_blue(-1),
         first_free_red(-1), first_free_blue(-1),
         arcs(), first_free_arc(-1) {}
     bool red(Node n) const { return nodes[n.id].red; }
     bool blue(Node n) const { return !nodes[n.id].red; }
+        _arcs(), first_free_arc(-1) {}
+    bool red(Node n) const { return _nodes[n.id].red; }
+    bool blue(Node n) const { return !_nodes[n.id].red; }
     static RedNode asRedNodeUnsafe(Node n) { return RedNode(n.id); }
     static BlueNode asBlueNodeUnsafe(Node n) { return BlueNode(n.id); }
     int maxNodeId() const { return nodes.size()-1; }
+    int maxNodeId() const { return _nodes.size()-1; }
     int maxRedId() const { return max_red; }
     int maxBlueId() const { return max_blue; }
     int maxEdgeId() const { return arcs.size() / 2 - 1; }
     int maxArcId() const { return arcs.size()-1; }
     Node source(Arc e) const { return Node(arcs[e.id ^ 1].target); }
     Node target(Arc e) const { return Node(arcs[e.id].target); }
+    int maxEdgeId() const { return _arcs.size() / 2 - 1; }
+    int maxArcId() const { return _arcs.size()-1; }
+    Node source(Arc e) const { return Node(_arcs[e.id ^ 1].target); }
+    Node target(Arc e) const { return Node(_arcs[e.id].target); }
     RedNode redNode(Edge e) const {
       return RedNode(arcs[2 * e.id].target);
+      return RedNode(_arcs[2 * e.id].target);
+    }
     BlueNode blueNode(Edge e) const {
       return BlueNode(arcs[2 * e.id + 1].target);
+      return BlueNode(_arcs[2 * e.id + 1].target);
+    }
 …
     void next(Node& node) const {
       node.id = nodes[node.id].next;
+      node.id = _nodes[node.id].next;
+    }
 …
     void next(RedNode& node) const {
       node.id = nodes[node.id].partition_next;
+      node.id = _nodes[node.id].partition_next;
+    }
 …
     void next(BlueNode& node) const {
       node.id = nodes[node.id].partition_next;
+      node.id = _nodes[node.id].partition_next;
+    }
     void first(Arc& e) const {
       int n = first_node;
       while (n != -1 && nodes[n].first_out == -1) {
         n = nodes[n].next;
+      }
       e.id = (n == -1) ? -1 : nodes[n].first_out;
+      while (n != -1 && _nodes[n].first_out == -1) {
+        n = _nodes[n].next;
+      }
+      e.id = (n == -1) ? -1 : _nodes[n].first_out;
+    }
     void next(Arc& e) const {
       if (arcs[e.id].next_out != -1) {
         e.id = arcs[e.id].next_out;
       } else {
         int n = nodes[arcs[e.id ^ 1].target].next;
         while(n != -1 && nodes[n].first_out == -1) {
           n = nodes[n].next;
+        }
         e.id = (n == -1) ? -1 : nodes[n].first_out;
+      if (_arcs[e.id].next_out != -1) {
+        e.id = _arcs[e.id].next_out;
+      } else {
+        int n = _nodes[_arcs[e.id ^ 1].target].next;
+        while(n != -1 && _nodes[n].first_out == -1) {
+          n = _nodes[n].next;
+        }
+        e.id = (n == -1) ? -1 : _nodes[n].first_out;
+      }
+    }
 …
       int n = first_node;
       while (n != -1) {
         e.id = nodes[n].first_out;
+        e.id = _nodes[n].first_out;
         while ((e.id & 1) != 1) {
           e.id = arcs[e.id].next_out;
+          e.id = _arcs[e.id].next_out;
+        }
         if (e.id != -1) {
 …
           return;
+        }
         n = nodes[n].next;
+        n = _nodes[n].next;
+      }
       e.id = -1;
 …
     void next(Edge& e) const {
       int n = arcs[e.id * 2].target;
       e.id = arcs[(e.id * 2) | 1].next_out;
+      int n = _arcs[e.id * 2].target;
+      e.id = _arcs[(e.id * 2) | 1].next_out;
       while ((e.id & 1) != 1) {
         e.id = arcs[e.id].next_out;
+        e.id = _arcs[e.id].next_out;
+      }
       if (e.id != -1) {
 …
         return;
+      }
       n = nodes[n].next;
+      n = _nodes[n].next;
       while (n != -1) {
         e.id = nodes[n].first_out;
+        e.id = _nodes[n].first_out;
         while ((e.id & 1) != 1) {
           e.id = arcs[e.id].next_out;
+          e.id = _arcs[e.id].next_out;
+        }
         if (e.id != -1) {
 …
           return;
+        }
         n = nodes[n].next;
+        n = _nodes[n].next;
+      }
       e.id = -1;
 …
     void firstOut(Arc &e, const Node& v) const {
       e.id = nodes[v.id].first_out;
+      e.id = _nodes[v.id].first_out;
+    }
     void nextOut(Arc &e) const {
       e.id = arcs[e.id].next_out;
+      e.id = _arcs[e.id].next_out;
+    }
     void firstIn(Arc &e, const Node& v) const {
       e.id = ((nodes[v.id].first_out) ^ 1);
+      e.id = ((_nodes[v.id].first_out) ^ 1);
       if (e.id == -2) e.id = -1;
+    }
     void nextIn(Arc &e) const {
       e.id = ((arcs[e.id ^ 1].next_out) ^ 1);
+      e.id = ((_arcs[e.id ^ 1].next_out) ^ 1);
       if (e.id == -2) e.id = -1;
+    }
     void firstInc(Edge &e, bool& d, const Node& v) const {
       int a = nodes[v.id].first_out;
+      int a = _nodes[v.id].first_out;
       if (a != -1 ) {
         e.id = a / 2;
 …
+    }
     void nextInc(Edge &e, bool& d) const {
       int a = (arcs[(e.id * 2) | (d ? 1 : 0)].next_out);
+      int a = (_arcs[(e.id * 2) | (d ? 1 : 0)].next_out);
       if (a != -1 ) {
         e.id = a / 2;
 …
     static int id(Node v) { return v.id; }
     int id(RedNode v) const { return nodes[v.id].partition_index; }
     int id(BlueNode v) const { return nodes[v.id].partition_index; }
+    int id(RedNode v) const { return _nodes[v.id].partition_index; }
+    int id(BlueNode v) const { return _nodes[v.id].partition_index; }
     static int id(Arc e) { return e.id; }
     static int id(Edge e) { return e.id; }
 …
     bool valid(Node n) const {
       return n.id >= 0 && n.id < static_cast<int>(nodes.size()) &&
         nodes[n.id].prev != -2;
+      return n.id >= 0 && n.id < static_cast<int>(_nodes.size()) &&
+        _nodes[n.id].prev != -2;
+    }
     bool valid(Arc a) const {
       return a.id >= 0 && a.id < static_cast<int>(arcs.size()) &&
         arcs[a.id].prev_out != -2;
+      return a.id >= 0 && a.id < static_cast<int>(_arcs.size()) &&
+        _arcs[a.id].prev_out != -2;
+    }
     bool valid(Edge e) const {
       return e.id >= 0 && 2 * e.id < static_cast<int>(arcs.size()) &&
         arcs[2 * e.id].prev_out != -2;
+      return e.id >= 0 && 2 * e.id < static_cast<int>(_arcs.size()) &&
+        _arcs[2 * e.id].prev_out != -2;
+    }
 …
       if(first_free_red==-1) {
         n = nodes.size();
         nodes.push_back(NodeT());
         nodes[n].partition_index = ++max_red;
         nodes[n].red = true;
+        n = _nodes.size();
+        _nodes.push_back(NodeT());
+        _nodes[n].partition_index = ++max_red;
+        _nodes[n].red = true;
       } else {
         n = first_free_red;
         first_free_red = nodes[n].next;
+      }
       nodes[n].next = first_node;
       if (first_node != -1) nodes[first_node].prev = n;
+        first_free_red = _nodes[n].next;
+      }
+      _nodes[n].next = first_node;
+      if (first_node != -1) _nodes[first_node].prev = n;
       first_node = n;
       nodes[n].prev = -1;
       nodes[n].partition_next = first_red;
       if (first_red != -1) nodes[first_red].partition_prev = n;
+      _nodes[n].prev = -1;
+      _nodes[n].partition_next = first_red;
+      if (first_red != -1) _nodes[first_red].partition_prev = n;
       first_red = n;
       nodes[n].partition_prev = -1;
       nodes[n].first_out = -1;
+      _nodes[n].partition_prev = -1;
+      _nodes[n].first_out = -1;
       return RedNode(n);
 …
       if(first_free_blue==-1) {
         n = nodes.size();
         nodes.push_back(NodeT());
         nodes[n].partition_index = ++max_blue;
         nodes[n].red = false;
+        n = _nodes.size();
+        _nodes.push_back(NodeT());
+        _nodes[n].partition_index = ++max_blue;
+        _nodes[n].red = false;
       } else {
         n = first_free_blue;
         first_free_blue = nodes[n].next;
+      }
       nodes[n].next = first_node;
       if (first_node != -1) nodes[first_node].prev = n;
+        first_free_blue = _nodes[n].next;
+      }
+      _nodes[n].next = first_node;
+      if (first_node != -1) _nodes[first_node].prev = n;
       first_node = n;
       nodes[n].prev = -1;
       nodes[n].partition_next = first_blue;
       if (first_blue != -1) nodes[first_blue].partition_prev = n;
+      _nodes[n].prev = -1;
+      _nodes[n].partition_next = first_blue;
+      if (first_blue != -1) _nodes[first_blue].partition_prev = n;
       first_blue = n;
       nodes[n].partition_prev = -1;
       nodes[n].first_out = -1;
+      _nodes[n].partition_prev = -1;
+      _nodes[n].first_out = -1;
       return BlueNode(n);
 …
       if (first_free_arc == -1) {
         n = arcs.size();
         arcs.push_back(ArcT());
         arcs.push_back(ArcT());
+        n = _arcs.size();
+        _arcs.push_back(ArcT());
+        _arcs.push_back(ArcT());
       } else {
         n = first_free_arc;
         first_free_arc = arcs[n].next_out;
+      }
       arcs[n].target = u.id;
       arcs[n | 1].target = v.id;
       arcs[n].next_out = nodes[v.id].first_out;
       if (nodes[v.id].first_out != -1) {
         arcs[nodes[v.id].first_out].prev_out = n;
+      }
       arcs[n].prev_out = -1;
       nodes[v.id].first_out = n;
       arcs[n | 1].next_out = nodes[u.id].first_out;
       if (nodes[u.id].first_out != -1) {
         arcs[nodes[u.id].first_out].prev_out = (n | 1);
+      }
       arcs[n | 1].prev_out = -1;
       nodes[u.id].first_out = (n | 1);
+        first_free_arc = _arcs[n].next_out;
+      }
+      _arcs[n].target = u.id;
+      _arcs[n | 1].target = v.id;
+      _arcs[n].next_out = _nodes[v.id].first_out;
+      if (_nodes[v.id].first_out != -1) {
+        _arcs[_nodes[v.id].first_out].prev_out = n;
+      }
+      _arcs[n].prev_out = -1;
+      _nodes[v.id].first_out = n;
+      _arcs[n | 1].next_out = _nodes[u.id].first_out;
+      if (_nodes[u.id].first_out != -1) {
+        _arcs[_nodes[u.id].first_out].prev_out = (n | 1);
+      }
+      _arcs[n | 1].prev_out = -1;
+      _nodes[u.id].first_out = (n | 1);
       return Edge(n / 2);
 …
       int n = node.id;
       if(nodes[n].next != -1) {
         nodes[nodes[n].next].prev = nodes[n].prev;
+      }
       if(nodes[n].prev != -1) {
         nodes[nodes[n].prev].next = nodes[n].next;
       } else {
         first_node = nodes[n].next;
+      }
       if (nodes[n].partition_next != -1) {
         nodes[nodes[n].partition_next].partition_prev = nodes[n].partition_prev;
+      }
       if (nodes[n].partition_prev != -1) {
         nodes[nodes[n].partition_prev].partition_next = nodes[n].partition_next;
       } else {
         if (nodes[n].red) {
           first_red = nodes[n].partition_next;
+      if(_nodes[n].next != -1) {
+        _nodes[_nodes[n].next].prev = _nodes[n].prev;
+      }
+      if(_nodes[n].prev != -1) {
+        _nodes[_nodes[n].prev].next = _nodes[n].next;
+      } else {
+        first_node = _nodes[n].next;
+      }
+      if (_nodes[n].partition_next != -1) {
+        _nodes[_nodes[n].partition_next].partition_prev = _nodes[n].partition_prev;
+      }
+      if (_nodes[n].partition_prev != -1) {
+        _nodes[_nodes[n].partition_prev].partition_next = _nodes[n].partition_next;
+      } else {
+        if (_nodes[n].red) {
+          first_red = _nodes[n].partition_next;
         } else {
           first_blue = nodes[n].partition_next;
+        }
+      }
       if (nodes[n].red) {
         nodes[n].next = first_free_red;
+          first_blue = _nodes[n].partition_next;
+        }
+      }
+      if (_nodes[n].red) {
+        _nodes[n].next = first_free_red;
         first_free_red = n;
       } else {
         nodes[n].next = first_free_blue;
+        _nodes[n].next = first_free_blue;
         first_free_blue = n;
+      }
       nodes[n].prev = -2;
+      _nodes[n].prev = -2;
+    }
 …
       int n = edge.id * 2;
       if (arcs[n].next_out != -1) {
         arcs[arcs[n].next_out].prev_out = arcs[n].prev_out;
+      }
       if (arcs[n].prev_out != -1) {
         arcs[arcs[n].prev_out].next_out = arcs[n].next_out;
       } else {
         nodes[arcs[n | 1].target].first_out = arcs[n].next_out;
+      }
       if (arcs[n | 1].next_out != -1) {
         arcs[arcs[n | 1].next_out].prev_out = arcs[n | 1].prev_out;
+      }
       if (arcs[n | 1].prev_out != -1) {
         arcs[arcs[n | 1].prev_out].next_out = arcs[n | 1].next_out;
       } else {
         nodes[arcs[n].target].first_out = arcs[n | 1].next_out;
+      }
       arcs[n].next_out = first_free_arc;
+      if (_arcs[n].next_out != -1) {
+        _arcs[_arcs[n].next_out].prev_out = _arcs[n].prev_out;
+      }
+      if (_arcs[n].prev_out != -1) {
+        _arcs[_arcs[n].prev_out].next_out = _arcs[n].next_out;
+      } else {
+        _nodes[_arcs[n | 1].target].first_out = _arcs[n].next_out;
+      }
+      if (_arcs[n | 1].next_out != -1) {
+        _arcs[_arcs[n | 1].next_out].prev_out = _arcs[n | 1].prev_out;
+      }
+      if (_arcs[n | 1].prev_out != -1) {
+        _arcs[_arcs[n | 1].prev_out].next_out = _arcs[n | 1].next_out;
+      } else {
+        _nodes[_arcs[n].target].first_out = _arcs[n | 1].next_out;
+      }
+      _arcs[n].next_out = first_free_arc;
       first_free_arc = n;
       arcs[n].prev_out = -2;
       arcs[n | 1].prev_out = -2;
+      _arcs[n].prev_out = -2;
+      _arcs[n | 1].prev_out = -2;
+    }
     void clear() {
       arcs.clear();
       nodes.clear();
+      _arcs.clear();
+      _nodes.clear();
       first_node = first_free_arc = first_red = first_blue =
         max_red = max_blue = first_free_red = first_free_blue = -1;
 …
     void changeRed(Edge e, RedNode n) {
       if(arcs[(2 * e.id) | 1].next_out != -1) {
         arcs[arcs[(2 * e.id) | 1].next_out].prev_out =
           arcs[(2 * e.id) | 1].prev_out;
+      }
       if(arcs[(2 * e.id) | 1].prev_out != -1) {
         arcs[arcs[(2 * e.id) | 1].prev_out].next_out =
           arcs[(2 * e.id) | 1].next_out;
       } else {
         nodes[arcs[2 * e.id].target].first_out =
           arcs[(2 * e.id) | 1].next_out;
+      }
       if (nodes[n.id].first_out != -1) {
         arcs[nodes[n.id].first_out].prev_out = ((2 * e.id) | 1);
+      }
       arcs[2 * e.id].target = n.id;
       arcs[(2 * e.id) | 1].prev_out = -1;
       arcs[(2 * e.id) | 1].next_out = nodes[n.id].first_out;
       nodes[n.id].first_out = ((2 * e.id) | 1);
+      if(_arcs[(2 * e.id) | 1].next_out != -1) {
+        _arcs[_arcs[(2 * e.id) | 1].next_out].prev_out =
+          _arcs[(2 * e.id) | 1].prev_out;
+      }
+      if(_arcs[(2 * e.id) | 1].prev_out != -1) {
+        _arcs[_arcs[(2 * e.id) | 1].prev_out].next_out =
+          _arcs[(2 * e.id) | 1].next_out;
+      } else {
+        _nodes[_arcs[2 * e.id].target].first_out =
+          _arcs[(2 * e.id) | 1].next_out;
+      }
+      if (_nodes[n.id].first_out != -1) {
+        _arcs[_nodes[n.id].first_out].prev_out = ((2 * e.id) | 1);
+      }
+      _arcs[2 * e.id].target = n.id;
+      _arcs[(2 * e.id) | 1].prev_out = -1;
+      _arcs[(2 * e.id) | 1].next_out = _nodes[n.id].first_out;
+      _nodes[n.id].first_out = ((2 * e.id) | 1);
+    }
     void changeBlue(Edge e, BlueNode n) {
        if(arcs[2 * e.id].next_out != -1) {
         arcs[arcs[2 * e.id].next_out].prev_out = arcs[2 * e.id].prev_out;
+      }
       if(arcs[2 * e.id].prev_out != -1) {
         arcs[arcs[2 * e.id].prev_out].next_out =
           arcs[2 * e.id].next_out;
       } else {
         nodes[arcs[(2 * e.id) | 1].target].first_out =
           arcs[2 * e.id].next_out;
+      }
       if (nodes[n.id].first_out != -1) {
         arcs[nodes[n.id].first_out].prev_out = 2 * e.id;
+      }
       arcs[(2 * e.id) | 1].target = n.id;
       arcs[2 * e.id].prev_out = -1;
       arcs[2 * e.id].next_out = nodes[n.id].first_out;
       nodes[n.id].first_out = 2 * e.id;
+       if(_arcs[2 * e.id].next_out != -1) {
+        _arcs[_arcs[2 * e.id].next_out].prev_out = _arcs[2 * e.id].prev_out;
+      }
+      if(_arcs[2 * e.id].prev_out != -1) {
+        _arcs[_arcs[2 * e.id].prev_out].next_out =
+          _arcs[2 * e.id].next_out;
+      } else {
+        _nodes[_arcs[(2 * e.id) | 1].target].first_out =
+          _arcs[2 * e.id].next_out;
+      }
+      if (_nodes[n.id].first_out != -1) {
+        _arcs[_nodes[n.id].first_out].prev_out = 2 * e.id;
+      }
+      _arcs[(2 * e.id) | 1].target = n.id;
+      _arcs[2 * e.id].prev_out = -1;
+      _arcs[2 * e.id].next_out = _nodes[n.id].first_out;
+      _nodes[n.id].first_out = 2 * e.id;
+    }
 …
     /// to build the graph.
     /// \sa reserveEdge()
     void reserveNode(int n) { nodes.reserve(n); };
+    void reserveNode(int n) { _nodes.reserve(n); };
     /// Reserve memory for edges.
 …
     /// to build the graph.
     /// \sa reserveNode()
     void reserveEdge(int m) { arcs.reserve(2 * m); };
+    void reserveEdge(int m) { _arcs.reserve(2 * m); };
     /// \brief Class to make a snapshot of the graph and restore

lemon/lp_base.h

-                      r1092
+                      r1130
 #include<lemon/bits/solver_bits.h>
+#include<lemon/bits/stl_iterators.h>
 ///\file
 ///\brief The interface of the LP solver interface.
 …
   protected:
     _solver_bits::VarIndex rows;
     _solver_bits::VarIndex cols;
+    _solver_bits::VarIndex _rows;
+    _solver_bits::VarIndex _cols;
   public:
 …
       ColIt(const LpBase &solver) : _solver(&solver)
+      {
         _solver->cols.firstItem(_id);
+        _solver->_cols.firstItem(_id);
+      }
       /// Invalid constructor \& conversion
 …
       ColIt &operator++()
+      {
         _solver->cols.nextItem(_id);
+        _solver->_cols.nextItem(_id);
         return *this;
+      }
     };
+    /// \brief Gets the collection of the columns of the LP problem.
+    ///
+    /// This function can be used for iterating on
+    /// the columns of the LP problem. It returns a wrapped ColIt, which looks
+    /// like an STL container (by having begin() and end())
+    /// which you can use in range-based for loops, STL algorithms, etc.
+    /// For example you can write:
+    ///\code
+    /// for(auto c: lp.cols())
+    ///   doSomething(c);
+    LemonRangeWrapper1<ColIt, LpBase> cols() {
+      return LemonRangeWrapper1<ColIt, LpBase>(*this);
+    }
     /// \brief Returns the ID of the column.
 …
       RowIt(const LpBase &solver) : _solver(&solver)
+      {
         _solver->rows.firstItem(_id);
+        _solver->_rows.firstItem(_id);
+      }
       /// Invalid constructor \& conversion
 …
       RowIt &operator++()
+      {
         _solver->rows.nextItem(_id);
+        _solver->_rows.nextItem(_id);
         return *this;
+      }
     };
+    /// \brief Gets the collection of the rows of the LP problem.
+    ///
+    /// This function can be used for iterating on
+    /// the rows of the LP problem. It returns a wrapped RowIt, which looks
+    /// like an STL container (by having begin() and end())
+    /// which you can use in range-based for loops, STL algorithms, etc.
+    /// For example you can write:
+    ///\code
+    /// for(auto c: lp.rows())
+    ///   doSomething(c);
+    LemonRangeWrapper1<RowIt, LpBase> rows() {
+      return LemonRangeWrapper1<RowIt, LpBase>(*this);
+    }
     /// \brief Returns the ID of the row.
 …
     //Abstract virtual functions
     virtual int _addColId(int col) { return cols.addIndex(col); }
     virtual int _addRowId(int row) { return rows.addIndex(row); }
     virtual void _eraseColId(int col) { cols.eraseIndex(col); }
     virtual void _eraseRowId(int row) { rows.eraseIndex(row); }
+    virtual int _addColId(int col) { return _cols.addIndex(col); }
+    virtual int _addRowId(int row) { return _rows.addIndex(row); }
+    virtual void _eraseColId(int col) { _cols.eraseIndex(col); }
+    virtual void _eraseRowId(int row) { _rows.eraseIndex(row); }
     virtual int _addCol() = 0;
 …
     Value obj_const_comp;
     LpBase() : rows(), cols(), obj_const_comp(0) {}
+    LpBase() : _rows(), _cols(), obj_const_comp(0) {}
   public:
 …
     void col(Col c, const DualExpr &e) {
       e.simplify();
       _setColCoeffs(cols(id(c)), ExprIterator(e.comps.begin(), rows),
                     ExprIterator(e.comps.end(), rows));
+      _setColCoeffs(_cols(id(c)), ExprIterator(e.comps.begin(), _rows),
+                    ExprIterator(e.comps.end(), _rows));
+    }
 …
     DualExpr col(Col c) const {
       DualExpr e;
       _getColCoeffs(cols(id(c)), InsertIterator(e.comps, rows));
+      _getColCoeffs(_cols(id(c)), InsertIterator(e.comps, _rows));
       return e;
+    }
 …
     void row(Row r, Value l, const Expr &e, Value u) {
       e.simplify();
       _setRowCoeffs(rows(id(r)), ExprIterator(e.comps.begin(), cols),
                     ExprIterator(e.comps.end(), cols));
       _setRowLowerBound(rows(id(r)),l - *e);
       _setRowUpperBound(rows(id(r)),u - *e);
+      _setRowCoeffs(_rows(id(r)), ExprIterator(e.comps.begin(), _cols),
+                    ExprIterator(e.comps.end(), _cols));
+      _setRowLowerBound(_rows(id(r)),l - *e);
+      _setRowUpperBound(_rows(id(r)),u - *e);
+    }
 …
     Expr row(Row r) const {
       Expr e;
       _getRowCoeffs(rows(id(r)), InsertIterator(e.comps, cols));
+      _getRowCoeffs(_rows(id(r)), InsertIterator(e.comps, _cols));
       return e;
+    }
 …
       Row r;
       e.simplify();
       r._id = _addRowId(_addRow(l - *e, ExprIterator(e.comps.begin(), cols),
                                 ExprIterator(e.comps.end(), cols), u - *e));
+      r._id = _addRowId(_addRow(l - *e, ExprIterator(e.comps.begin(), _cols),
+                                ExprIterator(e.comps.end(), _cols), u - *e));
       return r;
+    }
 …
       c.expr().simplify();
       r._id = _addRowId(_addRow(c.lowerBounded()?c.lowerBound()-*c.expr():-INF,
                                 ExprIterator(c.expr().comps.begin(), cols),
                                 ExprIterator(c.expr().comps.end(), cols),
+                                ExprIterator(c.expr().comps.begin(), _cols),
+                                ExprIterator(c.expr().comps.end(), _cols),
                                 c.upperBounded()?c.upperBound()-*c.expr():INF));
       return r;
 …
     ///\param c is the column to be deleted
     void erase(Col c) {
       _eraseCol(cols(id(c)));
       _eraseColId(cols(id(c)));
+      _eraseCol(_cols(id(c)));
+      _eraseColId(_cols(id(c)));
+    }
     ///Erase a row (i.e a constraint) from the LP
 …
     ///\param r is the row to be deleted
     void erase(Row r) {
       _eraseRow(rows(id(r)));
       _eraseRowId(rows(id(r)));
+      _eraseRow(_rows(id(r)));
+      _eraseRowId(_rows(id(r)));
+    }
 …
     std::string colName(Col c) const {
       std::string name;
       _getColName(cols(id(c)), name);
+      _getColName(_cols(id(c)), name);
       return name;
+    }
 …
     ///\param name The name to be given
     void colName(Col c, const std::string& name) {
       _setColName(cols(id(c)), name);
+      _setColName(_cols(id(c)), name);
+    }
 …
     Col colByName(const std::string& name) const {
       int k = _colByName(name);
       return k != -1 ? Col(cols[k]) : Col(INVALID);
+      return k != -1 ? Col(_cols[k]) : Col(INVALID);
+    }
 …
     std::string rowName(Row r) const {
       std::string name;
       _getRowName(rows(id(r)), name);
+      _getRowName(_rows(id(r)), name);
       return name;
+    }
 …
     ///\param name The name to be given
     void rowName(Row r, const std::string& name) {
       _setRowName(rows(id(r)), name);
+      _setRowName(_rows(id(r)), name);
+    }
 …
     Row rowByName(const std::string& name) const {
       int k = _rowByName(name);
       return k != -1 ? Row(rows[k]) : Row(INVALID);
+      return k != -1 ? Row(_rows[k]) : Row(INVALID);
+    }
 …
     ///\param val is the new value of the coefficient
     void coeff(Row r, Col c, Value val) {
       _setCoeff(rows(id(r)),cols(id(c)), val);
+      _setCoeff(_rows(id(r)),_cols(id(c)), val);
+    }
 …
     ///\return the corresponding coefficient
     Value coeff(Row r, Col c) const {
       return _getCoeff(rows(id(r)),cols(id(c)));
+      return _getCoeff(_rows(id(r)),_cols(id(c)));
+    }
 …
     /// Value or -\ref INF.
     void colLowerBound(Col c, Value value) {
       _setColLowerBound(cols(id(c)),value);
+      _setColLowerBound(_cols(id(c)),value);
+    }
 …
     ///\return The lower bound for column \c c
     Value colLowerBound(Col c) const {
       return _getColLowerBound(cols(id(c)));
+      return _getColLowerBound(_cols(id(c)));
+    }
 …
     /// Value or \ref INF.
     void colUpperBound(Col c, Value value) {
       _setColUpperBound(cols(id(c)),value);
+      _setColUpperBound(_cols(id(c)),value);
     };
 …
     /// \return The upper bound for column \c c
     Value colUpperBound(Col c) const {
       return _getColUpperBound(cols(id(c)));
+      return _getColUpperBound(_cols(id(c)));
+    }
 …
     /// Value, -\ref INF or \ref INF.
     void colBounds(Col c, Value lower, Value upper) {
       _setColLowerBound(cols(id(c)),lower);
       _setColUpperBound(cols(id(c)),upper);
+      _setColLowerBound(_cols(id(c)),lower);
+      _setColUpperBound(_cols(id(c)),upper);
+    }
 …
     /// Value or -\ref INF.
     void rowLowerBound(Row r, Value value) {
       _setRowLowerBound(rows(id(r)),value);
+      _setRowLowerBound(_rows(id(r)),value);
+    }
 …
     ///\return The lower bound for row \c r
     Value rowLowerBound(Row r) const {
       return _getRowLowerBound(rows(id(r)));
+      return _getRowLowerBound(_rows(id(r)));
+    }
 …
     /// Value or -\ref INF.
     void rowUpperBound(Row r, Value value) {
       _setRowUpperBound(rows(id(r)),value);
+      _setRowUpperBound(_rows(id(r)),value);
+    }
 …
     ///\return The upper bound for row \c r
     Value rowUpperBound(Row r) const {
       return _getRowUpperBound(rows(id(r)));
+      return _getRowUpperBound(_rows(id(r)));
+    }
     ///Set an element of the objective function
     void objCoeff(Col c, Value v) {_setObjCoeff(cols(id(c)),v); };
+    void objCoeff(Col c, Value v) {_setObjCoeff(_cols(id(c)),v); };
     ///Get an element of the objective function
     Value objCoeff(Col c) const { return _getObjCoeff(cols(id(c))); };
+    Value objCoeff(Col c) const { return _getObjCoeff(_cols(id(c))); };
     ///Set the objective function
 …
     ///
     void obj(const Expr& e) {
       _setObjCoeffs(ExprIterator(e.comps.begin(), cols),
                     ExprIterator(e.comps.end(), cols));
+      _setObjCoeffs(ExprIterator(e.comps.begin(), _cols),
+                    ExprIterator(e.comps.end(), _cols));
       obj_const_comp = *e;
+    }
 …
     Expr obj() const {
       Expr e;
       _getObjCoeffs(InsertIterator(e.comps, cols));
+      _getObjCoeffs(InsertIterator(e.comps, _cols));
       *e = obj_const_comp;
       return e;
 …
     ///Clear the problem
     void clear() { _clear(); rows.clear(); cols.clear(); }
+    void clear() { _clear(); _rows.clear(); _cols.clear(); }
     /// Set the message level of the solver
 …
     /// Return the primal value of the column.
     /// \pre The problem is solved.
     Value primal(Col c) const { return _getPrimal(cols(id(c))); }
+    Value primal(Col c) const { return _getPrimal(_cols(id(c))); }
     /// Return the primal value of the expression
 …
     /// \note Some solvers does not provide primal ray calculation
     /// functions.
     Value primalRay(Col c) const { return _getPrimalRay(cols(id(c))); }
+    Value primalRay(Col c) const { return _getPrimalRay(_cols(id(c))); }
     /// Return the dual value of the row
 …
     /// Return the dual value of the row.
     /// \pre The problem is solved.
     Value dual(Row r) const { return _getDual(rows(id(r))); }
+    Value dual(Row r) const { return _getDual(_rows(id(r))); }
     /// Return the dual value of the dual expression
 …
     /// \note Some solvers does not provide dual ray calculation
     /// functions.
     Value dualRay(Row r) const { return _getDualRay(rows(id(r))); }
+    Value dualRay(Row r) const { return _getDualRay(_rows(id(r))); }
     /// Return the basis status of the column
     /// \see VarStatus
     VarStatus colStatus(Col c) const { return _getColStatus(cols(id(c))); }
+    VarStatus colStatus(Col c) const { return _getColStatus(_cols(id(c))); }
     /// Return the basis status of the row
     /// \see VarStatus
     VarStatus rowStatus(Row r) const { return _getRowStatus(rows(id(r))); }
+    VarStatus rowStatus(Row r) const { return _getRowStatus(_rows(id(r))); }
     ///The value of the objective function
 …
     ///
     void colType(Col c, ColTypes col_type) {
       _setColType(cols(id(c)),col_type);
+      _setColType(_cols(id(c)),col_type);
+    }
 …
     ///
     ColTypes colType(Col c) const {
       return _getColType(cols(id(c)));
+      return _getColType(_cols(id(c)));
+    }
     ///@}
 …
     ///  Return the value of the row in the solution.
     /// \pre The problem is solved.
     Value sol(Col c) const { return _getSol(cols(id(c))); }
+    Value sol(Col c) const { return _getSol(_cols(id(c))); }
     /// Return the value of the expression in the solution

lemon/maps.h

-                      r1092
+                      r1130
 #include <lemon/core.h>
+#include <lemon/bits/stl_iterators.h>
 ///\file
 …
     };
+    /// \brief STL style iterator for the keys mapped to \c true.
+    ///
+    /// This is an STL style wrapper for \ref TrueIt.
+    /// It can be used in range-based for loops, STL algorithms, etc.
+    LemonRangeWrapper1<TrueIt, IterableBoolMap>
+    trueKeys() {
+      return LemonRangeWrapper1<TrueIt, IterableBoolMap>(*this);
+    }
     /// \brief Iterator for the keys mapped to \c false.
     ///
 …
       const IterableBoolMap* _map;
     };
+    /// \brief STL style iterator for the keys mapped to \c false.
+    ///
+    /// This is an STL style wrapper for \ref FalseIt.
+    /// It can be used in range-based for loops, STL algorithms, etc.
+    LemonRangeWrapper1<FalseIt, IterableBoolMap>
+    falseKeys() {
+      return LemonRangeWrapper1<FalseIt, IterableBoolMap>(*this);
+    }
     /// \brief Iterator for the keys mapped to a given value.
 …
       const IterableBoolMap* _map;
     };
+    /// \brief STL style iterator for the keys mapped to a given value.
+    ///
+    /// This is an STL style wrapper for \ref ItemIt.
+    /// It can be used in range-based for loops, STL algorithms, etc.
+    LemonRangeWrapper2<ItemIt, IterableBoolMap, bool>
+    items(bool value) {
+      return LemonRangeWrapper2<ItemIt, IterableBoolMap, bool>(*this, value);
+    }
   protected:
 …
     };
+    /// \brief STL style iterator for the keys with the same value.
+    ///
+    /// This is an STL style wrapper for \ref ItemIt.
+    /// It can be used in range-based for loops, STL algorithms, etc.
+    LemonRangeWrapper2<ItemIt, IterableIntMap, int>
+    items(int value) {
+      return LemonRangeWrapper2<ItemIt, IterableIntMap, int>(*this, value);
+    }
   protected:
 …
     };
+    /// \brief STL style iterator for the keys with the same value.
+    ///
+    /// This is an STL style wrapper for \ref ItemIt.
+    /// It can be used in range-based for loops, STL algorithms, etc.
+    LemonRangeWrapper2<ItemIt, IterableValueMap, V>
+    items(const V& value) {
+      return LemonRangeWrapper2<ItemIt, IterableValueMap, V>(*this, value);
+    }
   protected:

lemon/path.h

-                      r1092
+                      r1130
 #include <lemon/core.h>
 #include <lemon/concepts/path.h>
+#include <lemon/bits/stl_iterators.h>
 namespace lemon {
 …
       int idx;
     };
+    /// \brief Gets the collection of the arcs of the path.
+    ///
+    /// This function can be used for iterating on the
+    /// arcs of the path. It returns a wrapped
+    /// ArcIt, which looks like an STL container
+    /// (by having begin() and end()) which you can use in range-based
+    /// for loops, STL algorithms, etc.
+    /// For example you can write:
+    ///\code
+    /// for(auto a: p.arcs())
+    ///   doSomething(a);
+    ///\endcode
+    LemonRangeWrapper1<ArcIt, Path> arcs() const {
+      return LemonRangeWrapper1<ArcIt, Path>(*this);
+    }
     /// \brief Length of the path.
 …
     };
+    /// \brief Gets the collection of the arcs of the path.
+    ///
+    /// This function can be used for iterating on the
+    /// arcs of the path. It returns a wrapped
+    /// ArcIt, which looks like an STL container
+    /// (by having begin() and end()) which you can use in range-based
+    /// for loops, STL algorithms, etc.
+    /// For example you can write:
+    ///\code
+    /// for(auto a: p.arcs())
+    ///   doSomething(a);
+    ///\endcode
+    LemonRangeWrapper1<ArcIt, SimplePath> arcs() const {
+      return LemonRangeWrapper1<ArcIt, SimplePath>(*this);
+    }
     /// \brief Length of the path.
     int length() const { return data.size(); }
 …
       Node *node;
     };
+    /// \brief Gets the collection of the arcs of the path.
+    ///
+    /// This function can be used for iterating on the
+    /// arcs of the path. It returns a wrapped
+    /// ArcIt, which looks like an STL container
+    /// (by having begin() and end()) which you can use in range-based
+    /// for loops, STL algorithms, etc.
+    /// For example you can write:
+    ///\code
+    /// for(auto a: p.arcs())
+    ///   doSomething(a);
+    ///\endcode
+    LemonRangeWrapper1<ArcIt, ListPath> arcs() const {
+      return LemonRangeWrapper1<ArcIt, ListPath>(*this);
+    }
     /// \brief The n-th arc.
 …
     ///
     /// Default constructor
     StaticPath() : len(0), arcs(0) {}
+    StaticPath() : len(0), _arcs(0) {}
     /// \brief Copy constructor
     ///
     StaticPath(const StaticPath& cpath) : arcs(0) {
+    StaticPath(const StaticPath& cpath) : _arcs(0) {
       pathCopy(cpath, *this);
+    }
 …
     /// This path can be initialized from any other path type.
     template <typename CPath>
     StaticPath(const CPath& cpath) : arcs(0) {
+    StaticPath(const CPath& cpath) : _arcs(0) {
       pathCopy(cpath, *this);
+    }
 …
     /// Destructor of the path
     ~StaticPath() {
       if (arcs) delete[] arcs;
+      if (_arcs) delete[] _arcs;
+    }
 …
       int idx;
     };
+    /// \brief Gets the collection of the arcs of the path.
+    ///
+    /// This function can be used for iterating on the
+    /// arcs of the path. It returns a wrapped
+    /// ArcIt, which looks like an STL container
+    /// (by having begin() and end()) which you can use in range-based
+    /// for loops, STL algorithms, etc.
+    /// For example you can write:
+    ///\code
+    /// for(auto a: p.arcs())
+    ///   doSomething(a);
+    ///\endcode
+    LemonRangeWrapper1<ArcIt, StaticPath> arcs() const {
+      return LemonRangeWrapper1<ArcIt, StaticPath>(*this);
+    }
     /// \brief The n-th arc.
 …
     /// \pre \c n is in the <tt>[0..length() - 1]</tt> range.
     const Arc& nth(int n) const {
       return arcs[n];
+      return _arcs[n];
+    }
 …
     void clear() {
       len = 0;
       if (arcs) delete[] arcs;
       arcs = 0;
+      if (_arcs) delete[] _arcs;
+      _arcs = 0;
+    }
     /// \brief The first arc of the path.
     const Arc& front() const {
       return arcs[0];
+      return _arcs[0];
+    }
     /// \brief The last arc of the path.
     const Arc& back() const {
       return arcs[len - 1];
+      return _arcs[len - 1];
+    }
 …
     void build(const CPath& path) {
       len = path.length();
       arcs = new Arc[len];
+      _arcs = new Arc[len];
       int index = 0;
       for (typename CPath::ArcIt it(path); it != INVALID; ++it) {
         arcs[index] = it;
+        _arcs[index] = it;
         ++index;
+      }
 …
     void buildRev(const CPath& path) {
       len = path.length();
       arcs = new Arc[len];
+      _arcs = new Arc[len];
       int index = len;
       for (typename CPath::RevArcIt it(path); it != INVALID; ++it) {
         --index;
         arcs[index] = it;
+        _arcs[index] = it;
+      }
+    }
 …
   private:
     int len;
     Arc* arcs;
+    Arc* _arcs;
   };
 …
   };
+  /// \brief Gets the collection of the nodes of the path.
+  ///
+  /// This function can be used for iterating on the
+  /// nodes of the path. It returns a wrapped
+  /// PathNodeIt, which looks like an STL container
+  /// (by having begin() and end()) which you can use in range-based
+  /// for loops, STL algorithms, etc.
+  /// For example you can write:
+  ///\code
+  /// for(auto u: pathNodes(g,p))
+  ///   doSomething(u);
+  ///\endcode
+  template<typename Path>
+  LemonRangeWrapper2<PathNodeIt<Path>, typename Path::Digraph, Path>
+      pathNodes(const typename Path::Digraph &g, const Path &p) {
+    return
+        LemonRangeWrapper2<PathNodeIt<Path>, typename Path::Digraph, Path>(g,p);
+  }
   ///@}

lemon/smart_graph.h

-                      r1092
+                      r1130
     };
     std::vector<NodeT> nodes;
     std::vector<ArcT> arcs;
+    std::vector<NodeT> _nodes;
+    std::vector<ArcT> _arcs;
   public:
 …
   public:
     SmartDigraphBase() : nodes(), arcs() { }
+    SmartDigraphBase() : _nodes(), _arcs() { }
     SmartDigraphBase(const SmartDigraphBase &_g)
       : nodes(_g.nodes), arcs(_g.arcs) { }
+      : _nodes(_g._nodes), _arcs(_g._arcs) { }
     typedef True NodeNumTag;
     typedef True ArcNumTag;
     int nodeNum() const { return nodes.size(); }
     int arcNum() const { return arcs.size(); }
     int maxNodeId() const { return nodes.size()-1; }
     int maxArcId() const { return arcs.size()-1; }
+    int nodeNum() const { return _nodes.size(); }
+    int arcNum() const { return _arcs.size(); }
+    int maxNodeId() const { return _nodes.size()-1; }
+    int maxArcId() const { return _arcs.size()-1; }
     Node addNode() {
       int n = nodes.size();
       nodes.push_back(NodeT());
       nodes[n].first_in = -1;
       nodes[n].first_out = -1;
+      int n = _nodes.size();
+      _nodes.push_back(NodeT());
+      _nodes[n].first_in = -1;
+      _nodes[n].first_out = -1;
       return Node(n);
+    }
     Arc addArc(Node u, Node v) {
       int n = arcs.size();
       arcs.push_back(ArcT());
       arcs[n].source = u._id;
       arcs[n].target = v._id;
       arcs[n].next_out = nodes[u._id].first_out;
       arcs[n].next_in = nodes[v._id].first_in;
       nodes[u._id].first_out = nodes[v._id].first_in = n;
+      int n = _arcs.size();
+      _arcs.push_back(ArcT());
+      _arcs[n].source = u._id;
+      _arcs[n].target = v._id;
+      _arcs[n].next_out = _nodes[u._id].first_out;
+      _arcs[n].next_in = _nodes[v._id].first_in;
+      _nodes[u._id].first_out = _nodes[v._id].first_in = n;
       return Arc(n);
 …
     void clear() {
       arcs.clear();
       nodes.clear();
+    }
     Node source(Arc a) const { return Node(arcs[a._id].source); }
     Node target(Arc a) const { return Node(arcs[a._id].target); }
+      _arcs.clear();
+      _nodes.clear();
+    }
+    Node source(Arc a) const { return Node(_arcs[a._id].source); }
+    Node target(Arc a) const { return Node(_arcs[a._id].target); }
     static int id(Node v) { return v._id; }
 …
     bool valid(Node n) const {
       return n._id >= 0 && n._id < static_cast<int>(nodes.size());
+      return n._id >= 0 && n._id < static_cast<int>(_nodes.size());
+    }
     bool valid(Arc a) const {
       return a._id >= 0 && a._id < static_cast<int>(arcs.size());
+      return a._id >= 0 && a._id < static_cast<int>(_arcs.size());
+    }
 …
     void first(Node& node) const {
       node._id = nodes.size() - 1;
+      node._id = _nodes.size() - 1;
+    }
 …
     void first(Arc& arc) const {
       arc._id = arcs.size() - 1;
+      arc._id = _arcs.size() - 1;
+    }
 …
     void firstOut(Arc& arc, const Node& node) const {
       arc._id = nodes[node._id].first_out;
+      arc._id = _nodes[node._id].first_out;
+    }
     void nextOut(Arc& arc) const {
       arc._id = arcs[arc._id].next_out;
+      arc._id = _arcs[arc._id].next_out;
+    }
     void firstIn(Arc& arc, const Node& node) const {
       arc._id = nodes[node._id].first_in;
+      arc._id = _nodes[node._id].first_in;
+    }
     void nextIn(Arc& arc) const {
       arc._id = arcs[arc._id].next_in;
+      arc._id = _arcs[arc._id].next_in;
+    }
 …
+    {
       Node b = addNode();
       nodes[b._id].first_out=nodes[n._id].first_out;
       nodes[n._id].first_out=-1;
       for(int i=nodes[b._id].first_out; i!=-1; i=arcs[i].next_out) {
         arcs[i].source=b._id;
+      _nodes[b._id].first_out=_nodes[n._id].first_out;
+      _nodes[n._id].first_out=-1;
+      for(int i=_nodes[b._id].first_out; i!=-1; i=_arcs[i].next_out) {
+        _arcs[i].source=b._id;
+      }
       if(connect) addArc(n,b);
 …
     /// to build the digraph.
     /// \sa reserveArc()
     void reserveNode(int n) { nodes.reserve(n); };
+    void reserveNode(int n) { _nodes.reserve(n); };
     /// Reserve memory for arcs.
 …
     /// to build the digraph.
     /// \sa reserveNode()
     void reserveArc(int m) { arcs.reserve(m); };
+    void reserveArc(int m) { _arcs.reserve(m); };
   public:
 …
     void restoreSnapshot(const Snapshot &s)
+    {
       while(s.arc_num<arcs.size()) {
         Arc arc = arcFromId(arcs.size()-1);
+      while(s.arc_num<_arcs.size()) {
+        Arc arc = arcFromId(_arcs.size()-1);
         Parent::notifier(Arc()).erase(arc);
         nodes[arcs.back().source].first_out=arcs.back().next_out;
         nodes[arcs.back().target].first_in=arcs.back().next_in;
         arcs.pop_back();
+      }
       while(s.node_num<nodes.size()) {
         Node node = nodeFromId(nodes.size()-1);
+        _nodes[_arcs.back().source].first_out=_arcs.back().next_out;
+        _nodes[_arcs.back().target].first_in=_arcs.back().next_in;
+        _arcs.pop_back();
+      }
+      while(s.node_num<_nodes.size()) {
+        Node node = nodeFromId(_nodes.size()-1);
         Parent::notifier(Node()).erase(node);
         nodes.pop_back();
+        _nodes.pop_back();
+      }
+    }
 …
       ///
       Snapshot(SmartDigraph &gr) : _graph(&gr) {
         node_num=_graph->nodes.size();
         arc_num=_graph->arcs.size();
+        node_num=_graph->_nodes.size();
+        arc_num=_graph->_arcs.size();
+      }
 …
       void save(SmartDigraph &gr) {
         _graph=&gr;
         node_num=_graph->nodes.size();
         arc_num=_graph->arcs.size();
+        node_num=_graph->_nodes.size();
+        arc_num=_graph->_arcs.size();
+      }
 …
     };
     std::vector<NodeT> nodes;
     std::vector<ArcT> arcs;
+    std::vector<NodeT> _nodes;
+    std::vector<ArcT> _arcs;
   public:
 …
     SmartGraphBase()
       : nodes(), arcs() {}
+      : _nodes(), _arcs() {}
     typedef True NodeNumTag;
 …
     typedef True ArcNumTag;
     int nodeNum() const { return nodes.size(); }
     int edgeNum() const { return arcs.size() / 2; }
     int arcNum() const { return arcs.size(); }
     int maxNodeId() const { return nodes.size()-1; }
     int maxEdgeId() const { return arcs.size() / 2 - 1; }
     int maxArcId() const { return arcs.size()-1; }
     Node source(Arc e) const { return Node(arcs[e._id ^ 1].target); }
     Node target(Arc e) const { return Node(arcs[e._id].target); }
     Node u(Edge e) const { return Node(arcs[2 * e._id].target); }
     Node v(Edge e) const { return Node(arcs[2 * e._id + 1].target); }
+    int nodeNum() const { return _nodes.size(); }
+    int edgeNum() const { return _arcs.size() / 2; }
+    int arcNum() const { return _arcs.size(); }
+    int maxNodeId() const { return _nodes.size()-1; }
+    int maxEdgeId() const { return _arcs.size() / 2 - 1; }
+    int maxArcId() const { return _arcs.size()-1; }
+    Node source(Arc e) const { return Node(_arcs[e._id ^ 1].target); }
+    Node target(Arc e) const { return Node(_arcs[e._id].target); }
+    Node u(Edge e) const { return Node(_arcs[2 * e._id].target); }
+    Node v(Edge e) const { return Node(_arcs[2 * e._id + 1].target); }
     static bool direction(Arc e) {
 …
     void first(Node& node) const {
       node._id = nodes.size() - 1;
+      node._id = _nodes.size() - 1;
+    }
 …
     void first(Arc& arc) const {
       arc._id = arcs.size() - 1;
+      arc._id = _arcs.size() - 1;
+    }
 …
     void first(Edge& arc) const {
       arc._id = arcs.size() / 2 - 1;
+      arc._id = _arcs.size() / 2 - 1;
+    }
 …
     void firstOut(Arc &arc, const Node& v) const {
       arc._id = nodes[v._id].first_out;
+      arc._id = _nodes[v._id].first_out;
+    }
     void nextOut(Arc &arc) const {
       arc._id = arcs[arc._id].next_out;
+      arc._id = _arcs[arc._id].next_out;
+    }
     void firstIn(Arc &arc, const Node& v) const {
       arc._id = ((nodes[v._id].first_out) ^ 1);
+      arc._id = ((_nodes[v._id].first_out) ^ 1);
       if (arc._id == -2) arc._id = -1;
+    }
     void nextIn(Arc &arc) const {
       arc._id = ((arcs[arc._id ^ 1].next_out) ^ 1);
+      arc._id = ((_arcs[arc._id ^ 1].next_out) ^ 1);
       if (arc._id == -2) arc._id = -1;
+    }
     void firstInc(Edge &arc, bool& d, const Node& v) const {
       int de = nodes[v._id].first_out;
+      int de = _nodes[v._id].first_out;
       if (de != -1) {
         arc._id = de / 2;
 …
+    }
     void nextInc(Edge &arc, bool& d) const {
       int de = (arcs[(arc._id * 2) | (d ? 1 : 0)].next_out);
+      int de = (_arcs[(arc._id * 2) | (d ? 1 : 0)].next_out);
       if (de != -1) {
         arc._id = de / 2;
 …
     bool valid(Node n) const {
       return n._id >= 0 && n._id < static_cast<int>(nodes.size());
+      return n._id >= 0 && n._id < static_cast<int>(_nodes.size());
+    }
     bool valid(Arc a) const {
       return a._id >= 0 && a._id < static_cast<int>(arcs.size());
+      return a._id >= 0 && a._id < static_cast<int>(_arcs.size());
+    }
     bool valid(Edge e) const {
       return e._id >= 0 && 2 * e._id < static_cast<int>(arcs.size());
+      return e._id >= 0 && 2 * e._id < static_cast<int>(_arcs.size());
+    }
     Node addNode() {
       int n = nodes.size();
       nodes.push_back(NodeT());
       nodes[n].first_out = -1;
+      int n = _nodes.size();
+      _nodes.push_back(NodeT());
+      _nodes[n].first_out = -1;
       return Node(n);
 …
     Edge addEdge(Node u, Node v) {
       int n = arcs.size();
       arcs.push_back(ArcT());
       arcs.push_back(ArcT());
       arcs[n].target = u._id;
       arcs[n | 1].target = v._id;
       arcs[n].next_out = nodes[v._id].first_out;
       nodes[v._id].first_out = n;
       arcs[n | 1].next_out = nodes[u._id].first_out;
       nodes[u._id].first_out = (n | 1);
+      int n = _arcs.size();
+      _arcs.push_back(ArcT());
+      _arcs.push_back(ArcT());
+      _arcs[n].target = u._id;
+      _arcs[n | 1].target = v._id;
+      _arcs[n].next_out = _nodes[v._id].first_out;
+      _nodes[v._id].first_out = n;
+      _arcs[n | 1].next_out = _nodes[u._id].first_out;
+      _nodes[u._id].first_out = (n | 1);
       return Edge(n / 2);
 …
     void clear() {
       arcs.clear();
       nodes.clear();
+      _arcs.clear();
+      _nodes.clear();
+    }
 …
     /// to build the graph.
     /// \sa reserveEdge()
     void reserveNode(int n) { nodes.reserve(n); };
+    void reserveNode(int n) { _nodes.reserve(n); };
     /// Reserve memory for edges.
 …
     /// to build the graph.
     /// \sa reserveNode()
     void reserveEdge(int m) { arcs.reserve(2 * m); };
+    void reserveEdge(int m) { _arcs.reserve(2 * m); };
   public:
 …
+    {
       s._graph = this;
       s.node_num = nodes.size();
       s.arc_num = arcs.size();
+      s.node_num = _nodes.size();
+      s.arc_num = _arcs.size();
+    }
     void restoreSnapshot(const Snapshot &s)
+    {
       while(s.arc_num<arcs.size()) {
         int n=arcs.size()-1;
+      while(s.arc_num<_arcs.size()) {
+        int n=_arcs.size()-1;
         Edge arc=edgeFromId(n/2);
         Parent::notifier(Edge()).erase(arc);
 …
         dir.push_back(arcFromId(n-1));
         Parent::notifier(Arc()).erase(dir);
         nodes[arcs[n-1].target].first_out=arcs[n].next_out;
         nodes[arcs[n].target].first_out=arcs[n-1].next_out;
         arcs.pop_back();
         arcs.pop_back();
+      }
       while(s.node_num<nodes.size()) {
         int n=nodes.size()-1;
+        _nodes[_arcs[n-1].target].first_out=_arcs[n].next_out;
+        _nodes[_arcs[n].target].first_out=_arcs[n-1].next_out;
+        _arcs.pop_back();
+        _arcs.pop_back();
+      }
+      while(s.node_num<_nodes.size()) {
+        int n=_nodes.size()-1;
         Node node = nodeFromId(n);
         Parent::notifier(Node()).erase(node);
         nodes.pop_back();
+        _nodes.pop_back();
+      }
+    }
 …
     };
     std::vector<NodeT> nodes;
     std::vector<ArcT> arcs;
+    std::vector<NodeT> _nodes;
+    std::vector<ArcT> _arcs;
     int first_red, first_blue;
 …
     SmartBpGraphBase()
       : nodes(), arcs(), first_red(-1), first_blue(-1),
+      : _nodes(), _arcs(), first_red(-1), first_blue(-1),
         max_red(-1), max_blue(-1) {}
 …
     typedef True ArcNumTag;
     int nodeNum() const { return nodes.size(); }
+    int nodeNum() const { return _nodes.size(); }
     int redNum() const { return max_red + 1; }
     int blueNum() const { return max_blue + 1; }
     int edgeNum() const { return arcs.size() / 2; }
     int arcNum() const { return arcs.size(); }
     int maxNodeId() const { return nodes.size()-1; }
+    int edgeNum() const { return _arcs.size() / 2; }
+    int arcNum() const { return _arcs.size(); }
+    int maxNodeId() const { return _nodes.size()-1; }
     int maxRedId() const { return max_red; }
     int maxBlueId() const { return max_blue; }
     int maxEdgeId() const { return arcs.size() / 2 - 1; }
     int maxArcId() const { return arcs.size()-1; }
     bool red(Node n) const { return nodes[n._id].red; }
     bool blue(Node n) const { return !nodes[n._id].red; }
+    int maxEdgeId() const { return _arcs.size() / 2 - 1; }
+    int maxArcId() const { return _arcs.size()-1; }
+    bool red(Node n) const { return _nodes[n._id].red; }
+    bool blue(Node n) const { return !_nodes[n._id].red; }
     static RedNode asRedNodeUnsafe(Node n) { return RedNode(n._id); }
     static BlueNode asBlueNodeUnsafe(Node n) { return BlueNode(n._id); }
     Node source(Arc a) const { return Node(arcs[a._id ^ 1].target); }
     Node target(Arc a) const { return Node(arcs[a._id].target); }
+    Node source(Arc a) const { return Node(_arcs[a._id ^ 1].target); }
+    Node target(Arc a) const { return Node(_arcs[a._id].target); }
     RedNode redNode(Edge e) const {
       return RedNode(arcs[2 * e._id].target);
+      return RedNode(_arcs[2 * e._id].target);
+    }
     BlueNode blueNode(Edge e) const {
       return BlueNode(arcs[2 * e._id + 1].target);
+      return BlueNode(_arcs[2 * e._id + 1].target);
+    }
 …
     void first(Node& node) const {
       node._id = nodes.size() - 1;
+      node._id = _nodes.size() - 1;
+    }
 …
     void next(RedNode& node) const {
       node._id = nodes[node._id].partition_next;
+      node._id = _nodes[node._id].partition_next;
+    }
 …
     void next(BlueNode& node) const {
       node._id = nodes[node._id].partition_next;
+      node._id = _nodes[node._id].partition_next;
+    }
     void first(Arc& arc) const {
       arc._id = arcs.size() - 1;
+      arc._id = _arcs.size() - 1;
+    }
 …
     void first(Edge& arc) const {
       arc._id = arcs.size() / 2 - 1;
+      arc._id = _arcs.size() / 2 - 1;
+    }
 …
     void firstOut(Arc &arc, const Node& v) const {
       arc._id = nodes[v._id].first_out;
+      arc._id = _nodes[v._id].first_out;
+    }
     void nextOut(Arc &arc) const {
       arc._id = arcs[arc._id].next_out;
+      arc._id = _arcs[arc._id].next_out;
+    }
     void firstIn(Arc &arc, const Node& v) const {
       arc._id = ((nodes[v._id].first_out) ^ 1);
+      arc._id = ((_nodes[v._id].first_out) ^ 1);
       if (arc._id == -2) arc._id = -1;
+    }
     void nextIn(Arc &arc) const {
       arc._id = ((arcs[arc._id ^ 1].next_out) ^ 1);
+      arc._id = ((_arcs[arc._id ^ 1].next_out) ^ 1);
       if (arc._id == -2) arc._id = -1;
+    }
     void firstInc(Edge &arc, bool& d, const Node& v) const {
       int de = nodes[v._id].first_out;
+      int de = _nodes[v._id].first_out;
       if (de != -1) {
         arc._id = de / 2;
 …
+    }
     void nextInc(Edge &arc, bool& d) const {
       int de = (arcs[(arc._id * 2) | (d ? 1 : 0)].next_out);
+      int de = (_arcs[(arc._id * 2) | (d ? 1 : 0)].next_out);
       if (de != -1) {
         arc._id = de / 2;
 …
     static int id(Node v) { return v._id; }
     int id(RedNode v) const { return nodes[v._id].partition_index; }
     int id(BlueNode v) const { return nodes[v._id].partition_index; }
+    int id(RedNode v) const { return _nodes[v._id].partition_index; }
+    int id(BlueNode v) const { return _nodes[v._id].partition_index; }
     static int id(Arc e) { return e._id; }
     static int id(Edge e) { return e._id; }
 …
     bool valid(Node n) const {
       return n._id >= 0 && n._id < static_cast<int>(nodes.size());
+      return n._id >= 0 && n._id < static_cast<int>(_nodes.size());
+    }
     bool valid(Arc a) const {
       return a._id >= 0 && a._id < static_cast<int>(arcs.size());
+      return a._id >= 0 && a._id < static_cast<int>(_arcs.size());
+    }
     bool valid(Edge e) const {
       return e._id >= 0 && 2 * e._id < static_cast<int>(arcs.size());
+      return e._id >= 0 && 2 * e._id < static_cast<int>(_arcs.size());
+    }
     RedNode addRedNode() {
       int n = nodes.size();
       nodes.push_back(NodeT());
       nodes[n].first_out = -1;
       nodes[n].red = true;
       nodes[n].partition_index = ++max_red;
       nodes[n].partition_next = first_red;
+      int n = _nodes.size();
+      _nodes.push_back(NodeT());
+      _nodes[n].first_out = -1;
+      _nodes[n].red = true;
+      _nodes[n].partition_index = ++max_red;
+      _nodes[n].partition_next = first_red;
       first_red = n;
 …
     BlueNode addBlueNode() {
       int n = nodes.size();
       nodes.push_back(NodeT());
       nodes[n].first_out = -1;
       nodes[n].red = false;
       nodes[n].partition_index = ++max_blue;
       nodes[n].partition_next = first_blue;
+      int n = _nodes.size();
+      _nodes.push_back(NodeT());
+      _nodes[n].first_out = -1;
+      _nodes[n].red = false;
+      _nodes[n].partition_index = ++max_blue;
+      _nodes[n].partition_next = first_blue;
       first_blue = n;
 …
     Edge addEdge(RedNode u, BlueNode v) {
       int n = arcs.size();
       arcs.push_back(ArcT());
       arcs.push_back(ArcT());
       arcs[n].target = u._id;
       arcs[n | 1].target = v._id;
       arcs[n].next_out = nodes[v._id].first_out;
       nodes[v._id].first_out = n;
       arcs[n | 1].next_out = nodes[u._id].first_out;
       nodes[u._id].first_out = (n | 1);
+      int n = _arcs.size();
+      _arcs.push_back(ArcT());
+      _arcs.push_back(ArcT());
+      _arcs[n].target = u._id;
+      _arcs[n | 1].target = v._id;
+      _arcs[n].next_out = _nodes[v._id].first_out;
+      _nodes[v._id].first_out = n;
+      _arcs[n | 1].next_out = _nodes[u._id].first_out;
+      _nodes[u._id].first_out = (n | 1);
       return Edge(n / 2);
 …
     void clear() {
       arcs.clear();
       nodes.clear();
+      _arcs.clear();
+      _nodes.clear();
       first_red = -1;
       first_blue = -1;
 …
     /// to build the graph.
     /// \sa reserveEdge()
     void reserveNode(int n) { nodes.reserve(n); };
+    void reserveNode(int n) { _nodes.reserve(n); };
     /// Reserve memory for edges.
 …
     /// to build the graph.
     /// \sa reserveNode()
     void reserveEdge(int m) { arcs.reserve(2 * m); };
+    void reserveEdge(int m) { _arcs.reserve(2 * m); };
   public:
 …
+    {
       s._graph = this;
       s.node_num = nodes.size();
       s.arc_num = arcs.size();
+      s.node_num = _nodes.size();
+      s.arc_num = _arcs.size();
+    }
     void restoreSnapshot(const Snapshot &s)
+    {
       while(s.arc_num<arcs.size()) {
         int n=arcs.size()-1;
+      while(s.arc_num<_arcs.size()) {
+        int n=_arcs.size()-1;
         Edge arc=edgeFromId(n/2);
         Parent::notifier(Edge()).erase(arc);
 …
         dir.push_back(arcFromId(n-1));
         Parent::notifier(Arc()).erase(dir);
         nodes[arcs[n-1].target].first_out=arcs[n].next_out;
         nodes[arcs[n].target].first_out=arcs[n-1].next_out;
         arcs.pop_back();
         arcs.pop_back();
+      }
       while(s.node_num<nodes.size()) {
         int n=nodes.size()-1;
+        _nodes[_arcs[n-1].target].first_out=_arcs[n].next_out;
+        _nodes[_arcs[n].target].first_out=_arcs[n-1].next_out;
+        _arcs.pop_back();
+        _arcs.pop_back();
+      }
+      while(s.node_num<_nodes.size()) {
+        int n=_nodes.size()-1;
         Node node = nodeFromId(n);
         if (Parent::red(node)) {
           first_red = nodes[n].partition_next;
+          first_red = _nodes[n].partition_next;
           if (first_red != -1) {
             max_red = nodes[first_red].partition_index;
+            max_red = _nodes[first_red].partition_index;
           } else {
             max_red = -1;
 …
           Parent::notifier(RedNode()).erase(asRedNodeUnsafe(node));
         } else {
           first_blue = nodes[n].partition_next;
+          first_blue = _nodes[n].partition_next;
           if (first_blue != -1) {
             max_blue = nodes[first_blue].partition_index;
+            max_blue = _nodes[first_blue].partition_index;
           } else {
             max_blue = -1;
 …
+        }
         Parent::notifier(Node()).erase(node);
         nodes.pop_back();
+        _nodes.pop_back();
+      }
+    }

lemon/soplex.cc

-                      r1092
+                      r1130
   SoplexLp::SoplexLp(const SoplexLp& lp) {
     rows = lp.rows;
     cols = lp.cols;
+    _rows = lp._rows;
+    _cols = lp._cols;
     soplex = new soplex::SoPlex;
 …
   void SoplexLp::_eraseColId(int i) {
     cols.eraseIndex(i);
     cols.relocateIndex(i, cols.maxIndex());
+    _cols.eraseIndex(i);
+    _cols.relocateIndex(i, _cols.maxIndex());
+  }
   void SoplexLp::_eraseRowId(int i) {
     rows.eraseIndex(i);
     rows.relocateIndex(i, rows.maxIndex());
+    _rows.eraseIndex(i);
+    _rows.relocateIndex(i, _rows.maxIndex());
+  }
 …
     _row_names.clear();
     _row_names_ref.clear();
     cols.clear();
     rows.clear();
+    _cols.clear();
+    _rows.clear();
     _clear_temporals();
+  }

Context Navigation

Changeset 1130:0759d974de81 in lemon-main

Legend:

CMakeLists.txt

lemon/bellman_ford.h

lemon/bits/graph_adaptor_extender.h

lemon/bits/graph_extender.h

lemon/cbc.cc

lemon/clp.cc

lemon/clp.h

lemon/concepts/bpgraph.h

lemon/concepts/digraph.h

lemon/concepts/graph.h

lemon/concepts/path.h

lemon/cplex.cc

lemon/glpk.cc

lemon/glpk.h

lemon/list_graph.h

lemon/lp_base.h

lemon/maps.h

lemon/path.h

lemon/smart_graph.h

lemon/soplex.cc

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