core.h File Reference

Detailed Description

This header file contains core utilities for LEMON. It is automatically included by all graph types, therefore it usually do not have to be included directly.

#include <vector>
#include <algorithm>
#include <lemon/config.h>
#include <lemon/bits/enable_if.h>
#include <lemon/bits/traits.h>
#include <lemon/assert.h>

Classes
struct	Invalid
	Dummy type to make it easier to create invalid iterators. More...
class	DigraphCopy< From, To >
	Class to copy a digraph. More...
class	GraphCopy< From, To >
	Class to copy a graph. More...
class	ConArcIt< GR >
	Iterator for iterating on parallel arcs connecting the same nodes. More...
class	ConEdgeIt< GR >
	Iterator for iterating on parallel edges connecting the same nodes. More...
class	DynArcLookUp< GR >
	Dynamic arc look-up between given endpoints. More...
class	ArcLookUp< GR >
	Fast arc look-up between given endpoints. More...
class	AllArcLookUp< GR >
	Fast look-up of all arcs between given endpoints. More...

Namespaces
namespace	lemon
	The namespace of LEMON.

Macros
#define	DIGRAPH_TYPEDEFS(Digraph)
	Create convenience typedefs for the digraph types and iterators.
#define	TEMPLATE_DIGRAPH_TYPEDEFS(Digraph)
	Create convenience typedefs for the digraph types and iterators.
#define	GRAPH_TYPEDEFS(Graph)
	Create convenience typedefs for the graph types and iterators.
#define	TEMPLATE_GRAPH_TYPEDEFS(Graph)
	Create convenience typedefs for the graph types and iterators.

Functions
template<typename Graph , typename Item >
int	countItems (const Graph &g)
	Function to count the items in a graph.
template<typename Graph >
int	countNodes (const Graph &g)
	Function to count the nodes in the graph.
template<typename Graph >
int	countArcs (const Graph &g)
	Function to count the arcs in the graph.
template<typename Graph >
int	countEdges (const Graph &g)
	Function to count the edges in the graph.
template<typename Graph >
int	countOutArcs (const Graph &g, const typename Graph::Node &n)
	Function to count the number of the out-arcs from node n.
template<typename Graph >
int	countInArcs (const Graph &g, const typename Graph::Node &n)
	Function to count the number of the in-arcs to node n.
template<typename Graph >
int	countIncEdges (const Graph &g, const typename Graph::Node &n)
	Function to count the number of the inc-edges to node n.
template<typename From , typename To >
DigraphCopy< From, To >	digraphCopy (const From &from, To &to)
	Copy a digraph to another digraph.
template<typename From , typename To >
GraphCopy< From, To >	graphCopy (const From &from, To &to)
	Copy a graph to another graph.
template<typename Graph >
Graph::Arc	findArc (const Graph &g, typename Graph::Node u, typename Graph::Node v, typename Graph::Arc prev=INVALID)
	Find an arc between two nodes of a digraph.
template<typename Graph >
Graph::Edge	findEdge (const Graph &g, typename Graph::Node u, typename Graph::Node v, typename Graph::Edge p=INVALID)
	Find an edge between two nodes of a graph.