stdcpp/tsrc/Boost_test/graph/src/king_ordering.cpp
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stdcpp/tsrc/Boost_test/graph/src/king_ordering.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,143 @@
+//=======================================================================
+// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
+// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
+//          Doug Gregor, D. Kevin McGrath
+//
+// Distributed under 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)
+//=======================================================================
+/*
+ * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
+*/
+
+#include <boost/config.hpp>
+#include <vector>
+#include <iostream>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/king_ordering.hpp>
+#include <boost/graph/properties.hpp>
+#include <boost/graph/bandwidth.hpp>
+#ifdef __SYMBIAN32__
+#include "std_log_result.h"
+#define LOG_FILENAME_LINE __FILE__, __LINE__
+#endif
+/*
+  Sample Output
+  original bandwidth: 8
+  Reverse Cuthill-McKee ordering starting at: 6
+    8 3 0 9 2 5 1 4 7 6 
+    bandwidth: 4
+  Reverse Cuthill-McKee ordering starting at: 0
+    9 1 4 6 7 2 8 5 3 0 
+    bandwidth: 4
+  Reverse Cuthill-McKee ordering:
+    0 8 5 7 3 6 4 2 1 9 
+    bandwidth: 4
+ */
+int main(int , char* [])
+{
+  using namespace boost;
+  using namespace std;
+  typedef adjacency_list<vecS, vecS, undirectedS, 
+     property<vertex_color_t, default_color_type,
+       property<vertex_degree_t,int> > > Graph;
+  typedef graph_traits<Graph>::vertex_descriptor Vertex;
+  typedef graph_traits<Graph>::vertices_size_type size_type;
+
+  typedef std::pair<std::size_t, std::size_t> Pair;
+  Pair edges[14] = { Pair(0,3), //a-d
+                     Pair(0,5),  //a-f
+                     Pair(1,2),  //b-c
+                     Pair(1,4),  //b-e
+                     Pair(1,6),  //b-g
+                     Pair(1,9),  //b-j
+                     Pair(2,3),  //c-d
+                     Pair(2,4),  //c-e
+                     Pair(3,5),  //d-f
+                     Pair(3,8),  //d-i
+                     Pair(4,6),  //e-g
+                     Pair(5,6),  //f-g
+                     Pair(5,7),  //f-h
+                     Pair(6,7) }; //g-h 
+  
+  Graph G(10);
+  for (int i = 0; i < 14; ++i)
+    add_edge(edges[i].first, edges[i].second, G);
+
+  graph_traits<Graph>::vertex_iterator ui, ui_end;
+
+  property_map<Graph,vertex_degree_t>::type deg = get(vertex_degree, G);
+  for (boost::tie(ui, ui_end) = vertices(G); ui != ui_end; ++ui)
+    deg[*ui] = degree(*ui, G);
+
+  property_map<Graph, vertex_index_t>::type
+    index_map = get(vertex_index, G);
+
+  std::cout << "original bandwidth: " << bandwidth(G) << std::endl;
+
+  std::vector<Vertex> inv_perm(num_vertices(G));
+  std::vector<size_type> perm(num_vertices(G));
+  {
+    Vertex s = vertex(6, G);
+    //king_ordering
+    king_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), 
+                  get(vertex_degree, G), get(vertex_index, G));
+    cout << "King ordering starting at: " << s << endl;
+    cout << "  ";    
+    for (std::vector<Vertex>::const_iterator i = inv_perm.begin();
+         i != inv_perm.end(); ++i)
+      cout << index_map[*i] << " ";
+    cout << endl;
+
+    for (size_type c = 0; c != inv_perm.size(); ++c)
+      perm[index_map[inv_perm[c]]] = c;
+    std::cout << "  bandwidth: " 
+              << bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0]))
+              << std::endl;
+  }
+  {
+    Vertex s = vertex(0, G);
+    //king_ordering
+    king_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G),
+                  get(vertex_degree, G), get(vertex_index, G));
+    cout << "King ordering starting at: " << s << endl;
+    cout << "  ";
+    for (std::vector<Vertex>::const_iterator i=inv_perm.begin();
+       i != inv_perm.end(); ++i)
+      cout << index_map[*i] << " ";
+    cout << endl;
+
+    for (size_type c = 0; c != inv_perm.size(); ++c)
+      perm[index_map[inv_perm[c]]] = c;
+    std::cout << "  bandwidth: " 
+              << bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0]))
+              << std::endl;
+  }
+
+  {
+    //king_ordering
+    king_ordering(G, inv_perm.rbegin());
+    
+    cout << "King ordering:" << endl;
+    cout << "  ";
+    for (std::vector<Vertex>::const_iterator i=inv_perm.begin();
+       i != inv_perm.end(); ++i)
+      cout << index_map[*i] << " ";
+    cout << endl;
+
+    for (size_type c = 0; c != inv_perm.size(); ++c)
+      perm[index_map[inv_perm[c]]] = c;
+    std::cout << "  bandwidth: " 
+              << bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0]))
+              << std::endl;
+  }
+   
+#ifdef __SYMBIAN32__
+std_log(LOG_FILENAME_LINE,"[End Test Case ]");
+
+	testResultXml("king_ordering");
+	close_log_file();
+#endif
+  return 0;
+}