Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12]

gcl	Classes and functions related to the Graph C++ Library
base_directed_graph	Virtual template base class for directed graph objects
base_directed_vertex	Virtual template base class for vertices in directed graphs
base_graph	Virtual template base class for graph objects
base_undirected_graph	Virtual template base class for undirected graph objects
base_undirected_vertex	Virtual template base class for vertices in undirected graphs
base_vertex	Virtual template base class for vertices in graphs
base_weighted_undirected_graph	Virtual template base class for weighted undirected graph objects
base_weighted_undirected_vertex	Virtual template base class for vertices in undirected graphs
simple_edge	Class of the attributes of a simple edge
weighted_edge	Class of the attributes of a weighted edge
hms_directed_graph	Class for random directed graphs embedded in a hidden metric space
hms_directed_vertex	Class for vertices in random directed graphs embedded in a hidden metric space
real_directed_graph	Class for real directed graphs
real_directed_vertex	Class for vertices in real directed graphs
real_undirected_graph	Class for real undirected graphs
real_undirected_vertex	Class for vertices in real undirected graphs
real_weighted_undirected_graph	Class for real weighted undirected graphs
real_weighted_undirected_vertex	Class for vertices in real weighted undirected graphs
rng	Functions related to random number generators for various distributions