A Distributed Vertex List Graph is a graph whose vertices are distributed across multiple processes or address spaces. The vertices and num_vertices functions retain the same signatures as in the Vertex List Graph concept, but return only the local set (and size of the local set) of vertices.
Vertex descriptor type | graph_traits<G>::vertex_descriptor | Must model the Global Descriptor concept. |
Vertex iterator type | graph_traits<G>::vertex_iterator | Iterates over vertices stored locally. The value type must be vertex_descriptor. |
Vertices size type | graph_traits<G>::vertices_size_type | The unsigned integral type used to store the number of vertices in the local subgraph. |
Name | Expression | Type | Semantics |
---|---|---|---|
Local vertex set | vertices(g) | std::pair< vertex_iterator, vertex_iterator> | Returns an iterator range providing access to the local vertices in the graph. |
Number of local vertices. | num_vertices(g) | vertices_size_type | Returns the number of vertices stored locally in the graph. |
Copyright (C) 2005 The Trustees of Indiana University.
Authors: Douglas Gregor and Andrew Lumsdaine