Update of /cvsroot/boost/boost/boost/mpi
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv2918/boost/mpi
Modified Files:
communicator.hpp graph_topology.hpp
Log Message:
Document graph topologies, implement layer over MPI_Topo_test
Index: communicator.hpp
===================================================================
RCS file: /cvsroot/boost/boost/boost/mpi/communicator.hpp,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- communicator.hpp 1 Jun 2007 16:56:43 -0000 1.5
+++ communicator.hpp 1 Jun 2007 18:22:00 -0000 1.6
@@ -767,6 +767,21 @@
communicator split(int color, int key) const;
/**
+ * Determines whether this communicator has a Cartesian topology.
+ */
+ bool has_cartesian_topology() const;
+
+ /**
+ * Determines whether this communicator has a graph topology. If
+ * the communicator does have a graph topology, the communicator
+ * itself can be viewed as a graph by the algorithms in the Boost
+ * Graph Library. The communicator then meets the requirements of
+ * the @c Graph, @c Incidence Graph, @c Adjacency Graph, @c Vertex
+ * List Graph, and @c Edge List Graph concepts.
+ */
+ bool has_graph_topology() const;
+
+ /**
* Create a new communicator whose topology is described by the
* given graph. The vertex index map (@p index) gives the mapping
* from vertices in the graph to ranks within the
Index: graph_topology.hpp
===================================================================
RCS file: /cvsroot/boost/boost/boost/mpi/graph_topology.hpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- graph_topology.hpp 1 Jun 2007 16:56:43 -0000 1.1
+++ graph_topology.hpp 1 Jun 2007 18:22:00 -0000 1.2
@@ -377,6 +377,10 @@
{
};
+ /**
+ * @brief Returns a vertex descriptor that can never refer to any
+ * valid vertex.
+ */
static vertex_descriptor null_vertex() { return -1; }
// Incidence Graph requirements
@@ -396,6 +400,10 @@
};
// Property Graph requirements
+
+/**
+ * INTERNAL ONLY
+ */
template<>
struct property_map<mpi::communicator, vertex_index_t>
{
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