stdcpp/tsrc/Boost_test/graph/src/johnson-test.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 02:01:42 +0200
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//=======================================================================
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// Copyright 2002 Indiana University.
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// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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/* Expected Output
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         0    1    2    3    4    5    6    7    8    9
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    0    0   99  111  123  103  107  125  105  111  123
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    1   99    0   12   24    4    8   26    6   12   24
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    2  111   12    0   12   16   20   24   18   24   26
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    3  123   24   12    0   28   30   12   30   26   14
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    4  103    4   16   28    0    4   22    2    8   20
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    5  107    8   20   30    4    0   18    6    4   16
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    6  125   26   24   12   22   18    0   24   14    2
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    7  105    6   18   30    2    6   24    0   10   22
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    8  111   12   24   26    8    4   14   10    0   12
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    9  123   24   26   14   20   16    2   22   12    0
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*/
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#include <boost/config.hpp>
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#include <fstream>
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#include <iostream>
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#include <vector>
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#include <iomanip>
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#include <boost/property_map.hpp>
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#include <boost/graph/adjacency_list.hpp>
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#include <boost/graph/graphviz.hpp>
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#include <boost/graph/johnson_all_pairs_shortest.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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int main()
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{
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    using namespace boost;
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    typedef adjacency_list<vecS, vecS, undirectedS, no_property,
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      property< edge_weight_t, int, 
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      property< edge_weight2_t, int > > > Graph;
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    const int V = 10;
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    typedef std::pair < int, int >Edge;
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    Edge edge_array[] =
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      { Edge(0,1), Edge(1,2), Edge(2,3), Edge(1,4), Edge(2,5), Edge(3,6),
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          Edge(4,5), Edge(5,6), Edge(4,7), Edge(5,8), Edge(6,9), Edge(7,8),
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          Edge(8,9)
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   };
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    const std::size_t E = sizeof(edge_array) / sizeof(Edge);
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    Graph g(edge_array, edge_array + E, V);
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    property_map < Graph, edge_weight_t >::type w = get(edge_weight, g);
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    int weights[] = { 99, 12, 12, 4, 99, 12, 4, 99, 2, 4, 2, 99, 12  };
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    int *wp = weights;
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    graph_traits < Graph >::edge_iterator e, e_end;
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    for (boost::tie(e, e_end) = edges(g); e != e_end; ++e)
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      w[*e] = *wp++;
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    std::vector < int >d(V, (std::numeric_limits < int >::max)());
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    int D[V][V];
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    johnson_all_pairs_shortest_paths(g, D, distance_map(&d[0]));
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    std::cout << std::setw(5) <<" ";
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    for (int k = 0; k < 10; ++k)
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      std::cout << std::setw(5) << k ;
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    std::cout << std::endl;
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    for (int i = 0; i < 10; ++i) {
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      std::cout <<std::setw(5) <<  i ;
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      for (int j = 0; j < 10; ++j) {
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          std::cout << std::setw(5) << D[i][j] ;
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      }
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      std::cout << std::endl;
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    }
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#ifdef __SYMBIAN32__
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std_log(LOG_FILENAME_LINE,"[End Test Case ]");
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	testResultXml("johnson-test");
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	close_log_file();
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#endif
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    return 0;
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}