quick-tour.cpp 3.3 KB

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  1. //=======================================================================
  2. // Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
  3. //
  4. // Distributed under the Boost Software License, Version 1.0. (See
  5. // accompanying file LICENSE_1_0.txt or copy at
  6. // http://www.boost.org/LICENSE_1_0.txt)
  7. //=======================================================================
  8. #include <boost/config.hpp>
  9. #include <iostream>
  10. #include <fstream>
  11. #include <boost/graph/adjacency_list.hpp>
  12. using namespace boost;
  13. template < typename VertexDescriptor, typename VertexNameMap > void
  14. print_vertex_name(VertexDescriptor v, VertexNameMap name_map)
  15. {
  16. std::cout << get(name_map, v);
  17. }
  18. template < typename Graph, typename TransDelayMap, typename VertexNameMap > void
  19. print_trans_delay(typename graph_traits < Graph >::edge_descriptor e,
  20. const Graph & g, TransDelayMap delay_map,
  21. VertexNameMap name_map)
  22. {
  23. std::cout << "trans-delay(" << get(name_map, source(e, g)) << ","
  24. << get(name_map, target(e, g)) << ") = " << get(delay_map, e);
  25. }
  26. template < typename Graph, typename VertexNameMap > void
  27. print_vertex_names(const Graph & g, VertexNameMap name_map)
  28. {
  29. std::cout << "vertices(g) = { ";
  30. typedef typename graph_traits < Graph >::vertex_iterator iter_t;
  31. for (std::pair < iter_t, iter_t > p = vertices(g); p.first != p.second;
  32. ++p.first) {
  33. print_vertex_name(*p.first, name_map);
  34. std::cout << ' ';
  35. }
  36. std::cout << "}" << std::endl;
  37. }
  38. template < typename Graph, typename TransDelayMap, typename VertexNameMap > void
  39. print_trans_delays(const Graph & g, TransDelayMap trans_delay_map,
  40. VertexNameMap name_map)
  41. {
  42. typename graph_traits < Graph >::edge_iterator first, last;
  43. for (boost::tie(first, last) = edges(g); first != last; ++first) {
  44. print_trans_delay(*first, g, trans_delay_map, name_map);
  45. std::cout << std::endl;
  46. }
  47. }
  48. template < typename Graph, typename VertexNameMap, typename TransDelayMap > void
  49. build_router_network(Graph & g, VertexNameMap name_map,
  50. TransDelayMap delay_map)
  51. {
  52. typename graph_traits < Graph >::vertex_descriptor a, b, c, d, e;
  53. a = add_vertex(g);
  54. name_map[a] = 'a';
  55. b = add_vertex(g);
  56. name_map[b] = 'b';
  57. c = add_vertex(g);
  58. name_map[c] = 'c';
  59. d = add_vertex(g);
  60. name_map[d] = 'd';
  61. e = add_vertex(g);
  62. name_map[e] = 'e';
  63. typename graph_traits < Graph >::edge_descriptor ed;
  64. bool inserted;
  65. boost::tie(ed, inserted) = add_edge(a, b, g);
  66. delay_map[ed] = 1.2;
  67. boost::tie(ed, inserted) = add_edge(a, d, g);
  68. delay_map[ed] = 4.5;
  69. boost::tie(ed, inserted) = add_edge(b, d, g);
  70. delay_map[ed] = 1.8;
  71. boost::tie(ed, inserted) = add_edge(c, a, g);
  72. delay_map[ed] = 2.6;
  73. boost::tie(ed, inserted) = add_edge(c, e, g);
  74. delay_map[ed] = 5.2;
  75. boost::tie(ed, inserted) = add_edge(d, c, g);
  76. delay_map[ed] = 0.4;
  77. boost::tie(ed, inserted) = add_edge(d, e, g);
  78. delay_map[ed] = 3.3;
  79. }
  80. int
  81. main()
  82. {
  83. typedef adjacency_list < listS, listS, directedS,
  84. property < vertex_name_t, char >,
  85. property < edge_weight_t, double > > graph_t;
  86. graph_t g;
  87. property_map < graph_t, vertex_name_t >::type name_map =
  88. get(vertex_name, g);
  89. property_map < graph_t, edge_weight_t >::type delay_map =
  90. get(edge_weight, g);
  91. build_router_network(g, name_map, delay_map);
  92. print_vertex_names(g, name_map);
  93. print_trans_delays(g, delay_map, name_map);
  94. }