author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 14:06:43 +0300 | |
changeset 22 | ddc455616bd6 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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//======================================================================= |
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// Copyright 1997, 1998, 1999, 2000 University of Notre Dame. |
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// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek |
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// Doug Gregor, D. Kevin McGrath |
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// |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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//======================================================================= |
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/* |
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* © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved. |
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*/ |
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|
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#include <boost/config.hpp> |
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#include <vector> |
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#include <iostream> |
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#include <boost/graph/adjacency_list.hpp> |
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#include <boost/graph/king_ordering.hpp> |
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#include <boost/graph/properties.hpp> |
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#include <boost/graph/bandwidth.hpp> |
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#ifdef __SYMBIAN32__ |
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#include "std_log_result.h" |
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#define LOG_FILENAME_LINE __FILE__, __LINE__ |
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#endif |
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/* |
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Sample Output |
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original bandwidth: 8 |
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Reverse Cuthill-McKee ordering starting at: 6 |
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8 3 0 9 2 5 1 4 7 6 |
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bandwidth: 4 |
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Reverse Cuthill-McKee ordering starting at: 0 |
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9 1 4 6 7 2 8 5 3 0 |
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bandwidth: 4 |
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Reverse Cuthill-McKee ordering: |
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0 8 5 7 3 6 4 2 1 9 |
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bandwidth: 4 |
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*/ |
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int main(int , char* []) |
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{ |
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using namespace boost; |
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using namespace std; |
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typedef adjacency_list<vecS, vecS, undirectedS, |
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property<vertex_color_t, default_color_type, |
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property<vertex_degree_t,int> > > Graph; |
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typedef graph_traits<Graph>::vertex_descriptor Vertex; |
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typedef graph_traits<Graph>::vertices_size_type size_type; |
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|
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typedef std::pair<std::size_t, std::size_t> Pair; |
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Pair edges[14] = { Pair(0,3), //a-d |
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Pair(0,5), //a-f |
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Pair(1,2), //b-c |
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Pair(1,4), //b-e |
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Pair(1,6), //b-g |
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Pair(1,9), //b-j |
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Pair(2,3), //c-d |
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Pair(2,4), //c-e |
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Pair(3,5), //d-f |
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Pair(3,8), //d-i |
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Pair(4,6), //e-g |
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Pair(5,6), //f-g |
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Pair(5,7), //f-h |
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Pair(6,7) }; //g-h |
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Graph G(10); |
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for (int i = 0; i < 14; ++i) |
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add_edge(edges[i].first, edges[i].second, G); |
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|
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graph_traits<Graph>::vertex_iterator ui, ui_end; |
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property_map<Graph,vertex_degree_t>::type deg = get(vertex_degree, G); |
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for (boost::tie(ui, ui_end) = vertices(G); ui != ui_end; ++ui) |
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deg[*ui] = degree(*ui, G); |
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property_map<Graph, vertex_index_t>::type |
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index_map = get(vertex_index, G); |
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std::cout << "original bandwidth: " << bandwidth(G) << std::endl; |
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|
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std::vector<Vertex> inv_perm(num_vertices(G)); |
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std::vector<size_type> perm(num_vertices(G)); |
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{ |
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Vertex s = vertex(6, G); |
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//king_ordering |
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king_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), |
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get(vertex_degree, G), get(vertex_index, G)); |
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cout << "King ordering starting at: " << s << endl; |
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cout << " "; |
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for (std::vector<Vertex>::const_iterator i = inv_perm.begin(); |
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i != inv_perm.end(); ++i) |
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cout << index_map[*i] << " "; |
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cout << endl; |
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|
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for (size_type c = 0; c != inv_perm.size(); ++c) |
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perm[index_map[inv_perm[c]]] = c; |
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std::cout << " bandwidth: " |
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<< bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0])) |
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<< std::endl; |
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} |
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{ |
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Vertex s = vertex(0, G); |
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//king_ordering |
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102 |
king_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), |
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get(vertex_degree, G), get(vertex_index, G)); |
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cout << "King ordering starting at: " << s << endl; |
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105 |
cout << " "; |
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106 |
for (std::vector<Vertex>::const_iterator i=inv_perm.begin(); |
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i != inv_perm.end(); ++i) |
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108 |
cout << index_map[*i] << " "; |
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109 |
cout << endl; |
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110 |
|
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111 |
for (size_type c = 0; c != inv_perm.size(); ++c) |
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perm[index_map[inv_perm[c]]] = c; |
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113 |
std::cout << " bandwidth: " |
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<< bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0])) |
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<< std::endl; |
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116 |
} |
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117 |
|
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118 |
{ |
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119 |
//king_ordering |
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king_ordering(G, inv_perm.rbegin()); |
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121 |
|
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cout << "King ordering:" << endl; |
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cout << " "; |
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for (std::vector<Vertex>::const_iterator i=inv_perm.begin(); |
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i != inv_perm.end(); ++i) |
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cout << index_map[*i] << " "; |
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127 |
cout << endl; |
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128 |
|
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129 |
for (size_type c = 0; c != inv_perm.size(); ++c) |
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perm[index_map[inv_perm[c]]] = c; |
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131 |
std::cout << " bandwidth: " |
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<< bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0])) |
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133 |
<< std::endl; |
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134 |
} |
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135 |
|
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136 |
#ifdef __SYMBIAN32__ |
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std_log(LOG_FILENAME_LINE,"[End Test Case ]"); |
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138 |
|
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139 |
testResultXml("king_ordering"); |
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140 |
close_log_file(); |
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141 |
#endif |
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142 |
return 0; |
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143 |
} |