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Add graph generators

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[SVN r27678]
This commit is contained in:
Douglas Gregor
2005-03-15 22:44:11 +00:00
parent 65339366d3
commit 0e0507520b
4 changed files with 114 additions and 1 deletions
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26
src/python/basic_graph.cpp
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@@ -126,6 +126,25 @@ basic_graph<DirectedS>::basic_graph(const std::string& filename,
}
}
template<typename DirectedS>
basic_graph<DirectedS>::basic_graph(erdos_renyi er, int seed)
: stored_minstd_rand(seed),
inherited(er_iterator(this->gen, er.n, er.p), er_iterator(), er.n) { }
template<typename DirectedS>
basic_graph<DirectedS>::basic_graph(power_law_out_degree plod, int seed)
: stored_minstd_rand(seed),
inherited(sf_iterator(this->gen, plod.n, plod.alpha, plod.beta),
sf_iterator(),
plod.n)
{ }
template<typename DirectedS>
basic_graph<DirectedS>::basic_graph(small_world sw, int seed)
: stored_minstd_rand(seed),
inherited(sw_iterator(this->gen, sw.n, sw.k, sw.p), sw_iterator(), sw.n)
{ }
// ----------------------------------------------------------
// Incidence basic_graph<DirectedS> concept
// ----------------------------------------------------------
@@ -481,6 +500,7 @@ void export_basic_graph(const char* name)
using boost::python::range;
using boost::python::scope;
using boost::python::self;
using boost::python::arg;
typedef basic_graph<DirectedS> Graph;
typedef typename Graph::Vertex Vertex;
@@ -493,6 +513,12 @@ void export_basic_graph(const char* name)
class_<basic_graph<DirectedS> >(name)
// Constructors
.def(init<std::string, graph_file_kind>())
.def(init<erdos_renyi, std::size_t>(
(arg("generator"), arg("seed") = 1)))
.def(init<power_law_out_degree, std::size_t>(
(arg("generator"), arg("seed") = 1)))
.def(init<small_world, std::size_t>(
(arg("generator"), arg("seed") = 1)))
.def("is_directed", &Graph::is_directed)
// Vertex List Graph concept
.def("num_vertices", &Graph::num_vertices)