File: distributed_csr_test.cpp

package info (click to toggle)
boost1.42 1.42.0-4
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 277,864 kB
  • ctags: 401,076
  • sloc: cpp: 1,235,659; xml: 74,142; ansic: 41,313; python: 26,756; sh: 11,840; cs: 2,118; makefile: 655; perl: 494; yacc: 456; asm: 353; csh: 6
file content (102 lines) | stat: -rw-r--r-- 3,112 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
// Copyright (C) 2006 The Trustees of Indiana University.

// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

//  Authors: Douglas Gregor
//           Andrew Lumsdaine

// A test of the distributed compressed sparse row graph type
#include <boost/graph/use_mpi.hpp>
#include <boost/config.hpp>
#include <boost/throw_exception.hpp>
#include <boost/graph/distributed/compressed_sparse_row_graph.hpp>
#include <boost/graph/distributed/mpi_process_group.hpp>
#include <boost/graph/distributed/concepts.hpp>
#include <boost/graph/erdos_renyi_generator.hpp>
#include <boost/random/linear_congruential.hpp>
#include <boost/graph/breadth_first_search.hpp>
#include <boost/graph/graphviz.hpp>
#include <boost/property_map/vector_property_map.hpp>
#include <boost/test/minimal.hpp>

#ifdef BOOST_NO_EXCEPTIONS
void
boost::throw_exception(std::exception const& ex)
{
    std::cout << ex.what() << std::endl;
    abort();
}
#endif

using namespace boost;
using boost::graph::distributed::mpi_process_group;

void concept_checks()
{
  typedef compressed_sparse_row_graph<directedS, void, void, no_property, 
                                      distributedS<mpi_process_group> >
    Digraph;
  typedef graph_traits<Digraph>::vertex_descriptor vertex_descriptor;
  typedef graph_traits<Digraph>::edge_descriptor edge_descriptor;

  function_requires< GraphConcept<Digraph> >();
  function_requires< IncidenceGraphConcept<Digraph> >();
  function_requires< AdjacencyGraphConcept<Digraph> >();

  function_requires< DistributedVertexListGraphConcept<Digraph> >();
  function_requires< DistributedEdgeListGraphConcept<Digraph> >();

  function_requires<
    ReadablePropertyGraphConcept<Digraph, vertex_descriptor, vertex_global_t> 
    >();
  function_requires<
    ReadablePropertyGraphConcept<Digraph, vertex_descriptor, vertex_owner_t>
    >();
  function_requires<
    ReadablePropertyGraphConcept<Digraph, vertex_descriptor, vertex_local_t>
    >();
  function_requires<
    ReadablePropertyGraphConcept<Digraph, vertex_descriptor, vertex_index_t>
    >();

  function_requires<
    ReadablePropertyGraphConcept<Digraph, edge_descriptor, edge_global_t>
    >();

  // DPG TBD: edge_owner, edge_local property maps

  function_requires<
    ReadablePropertyGraphConcept<Digraph, edge_descriptor, edge_index_t>
    >();

  // Check default construction
  Digraph g;
}

int test_main(int argc, char* argv[])
{
  mpi::environment env(argc, argv);

  concept_checks();

  typedef compressed_sparse_row_graph<directedS, void, void, no_property, 
                                      distributedS<mpi_process_group> >
    Digraph;

  // Build an Erdos-Renyi graph to test with
  typedef sorted_erdos_renyi_iterator<minstd_rand, Digraph> ERIter;

  int n = 40;
  double prob = 0.1;

  minstd_rand gen;
  Digraph g(ERIter(gen, n, prob), ERIter(), n);

  breadth_first_search(g, vertex(0, g), visitor(bfs_visitor<>()));

  std::ofstream out("dcsr.dot");
  write_graphviz(out, g);
  return 0;
}