os/ossrv/stdcpp/tsrc/Boost_test/graph/src/johnson-test.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 //=======================================================================
     2 // Copyright 2002 Indiana University.
     3 // Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
     4 //
     5 // Distributed under the Boost Software License, Version 1.0. (See
     6 // accompanying file LICENSE_1_0.txt or copy at
     7 // http://www.boost.org/LICENSE_1_0.txt)
     8 //=======================================================================
     9 /*
    10  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
    11 */
    12 
    13 
    14 /* Expected Output
    15          0    1    2    3    4    5    6    7    8    9
    16     0    0   99  111  123  103  107  125  105  111  123
    17     1   99    0   12   24    4    8   26    6   12   24
    18     2  111   12    0   12   16   20   24   18   24   26
    19     3  123   24   12    0   28   30   12   30   26   14
    20     4  103    4   16   28    0    4   22    2    8   20
    21     5  107    8   20   30    4    0   18    6    4   16
    22     6  125   26   24   12   22   18    0   24   14    2
    23     7  105    6   18   30    2    6   24    0   10   22
    24     8  111   12   24   26    8    4   14   10    0   12
    25     9  123   24   26   14   20   16    2   22   12    0
    26 */
    27 
    28 #include <boost/config.hpp>
    29 #include <fstream>
    30 #include <iostream>
    31 #include <vector>
    32 #include <iomanip>
    33 #include <boost/property_map.hpp>
    34 #include <boost/graph/adjacency_list.hpp>
    35 #include <boost/graph/graphviz.hpp>
    36 #include <boost/graph/johnson_all_pairs_shortest.hpp>
    37 #ifdef __SYMBIAN32__
    38 #include "std_log_result.h"
    39 #define LOG_FILENAME_LINE __FILE__, __LINE__
    40 #endif
    41 int main()
    42 {
    43     using namespace boost;
    44     typedef adjacency_list<vecS, vecS, undirectedS, no_property,
    45       property< edge_weight_t, int, 
    46       property< edge_weight2_t, int > > > Graph;
    47     const int V = 10;
    48     typedef std::pair < int, int >Edge;
    49     Edge edge_array[] =
    50       { Edge(0,1), Edge(1,2), Edge(2,3), Edge(1,4), Edge(2,5), Edge(3,6),
    51           Edge(4,5), Edge(5,6), Edge(4,7), Edge(5,8), Edge(6,9), Edge(7,8),
    52           Edge(8,9)
    53    };
    54 
    55     const std::size_t E = sizeof(edge_array) / sizeof(Edge);
    56 
    57     Graph g(edge_array, edge_array + E, V);
    58 
    59 
    60     property_map < Graph, edge_weight_t >::type w = get(edge_weight, g);
    61     int weights[] = { 99, 12, 12, 4, 99, 12, 4, 99, 2, 4, 2, 99, 12  };
    62     int *wp = weights;
    63 
    64     graph_traits < Graph >::edge_iterator e, e_end;
    65     for (boost::tie(e, e_end) = edges(g); e != e_end; ++e)
    66       w[*e] = *wp++;
    67 
    68     std::vector < int >d(V, (std::numeric_limits < int >::max)());
    69     int D[V][V];
    70     johnson_all_pairs_shortest_paths(g, D, distance_map(&d[0]));
    71 
    72     std::cout << std::setw(5) <<" ";
    73     for (int k = 0; k < 10; ++k)
    74       std::cout << std::setw(5) << k ;
    75     std::cout << std::endl;
    76     for (int i = 0; i < 10; ++i) {
    77       std::cout <<std::setw(5) <<  i ;
    78       for (int j = 0; j < 10; ++j) {
    79           std::cout << std::setw(5) << D[i][j] ;
    80       }
    81       std::cout << std::endl;
    82     }
    83 
    84  
    85 #ifdef __SYMBIAN32__
    86 std_log(LOG_FILENAME_LINE,"[End Test Case ]");
    87 
    88 	testResultXml("johnson-test");
    89 	close_log_file();
    90 #endif
    91     return 0;
    92 }