Bugs item #955768, was opened at 2004-05-18 11:58 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=107586&aid=955768&group_id=7586 Category: graph Group: None Status: Open Resolution: None Priority: 5 Submitted By: Burnce (burnce) Assigned to: Jeremy Siek (jsiek) Summary: undirected adjacency_matrix example segfaults at print_graph Initial Comment: Example 2 from http://www.boost.org/libs/graph/doc/adjacency_matrix.html creates a segfault in the second to last line boost::print_graph(ug, name); Details follow: Program received signal SIGSEGV, Segmentation fault. 0x0804a276 in bool boost::detail::get_edge_exists<char>(char const&, ...) (edge_proxy=@0xc804bbe9) at adjacency_matrix.hpp:84 /usr/include/boost/graph/adjacency_matrix.hpp:84:2923:beg:0x804a276 (gdb) up #1 0x0804ab6b in boost::detail::undir_adj_matrix_out_edge_iter<unsigned, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned> >::dereference() const (this=0xbfffead0) at adjacency_matrix.hpp:228 (gdb) up #2 0x0804ab0c in dereference<boost::detail::undir_adj_matrix_out_edge_iter<size_t, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, size_t, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, size_t> > > (f=@0xbfffead0) at iterator_facade.hpp:341 (gdb) up #3 0x0804aae2 in boost::iterator_facade<boost::detail::undir_adj_matrix_out_edge_iter<unsigned, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned> >, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned>, boost::random_access_traversal_tag, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned>, int>::operator*() const (this=0xbfffead0) at iterator_facade.hpp:442 (gdb) up #4 0x0804aa7b in boost::filter_iterator<boost::detail::does_edge_exist, boost::detail::undir_adj_matrix_out_edge_iter<unsigned, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned> > >::satisfy_predicate() (this=0xbfffead0) at filter_iterator.hpp:102 /usr/include/boost/iterator/filter_iterator.hpp:102:2993:beg:0x804aa7b (gdb) up #5 0x0804a9fd in filter_iterator (this=0xbfffead0, f={<No data fields>}, x={<iterator_adaptor<boost::detail::undir_adj_matrix_out_edge_iter<unsigned int, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned int, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int> >,__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> >

,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,boost::use_default,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,int>> = {<iterator_facade<boost::detail::undir_adj_matrix_out_edge_iter<unsigned int, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned int, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int> ,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,boost::random_access_traversal_tag,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,int>> = {<No data fields>}, m_iterator = {<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data fields>}, _M_current = 0x804d050 ""}}, m_src = 0, m_inc = 3221220248, m_targ = 0, m_n = 6}, end={<iterator_adaptor<boost::detail::undir_adj_matrix_out_edge_iter<unsigned int, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned int, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int> >,__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > ,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,boost::use_default,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,int>> = {<iterator_facade<boost::detail::undir_adj_matrix_out_edge_iter<unsigned int, __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, unsigned int, boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int> ,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,boost::random_access_traversal_tag,boost::detail::matrix_edge_desc_impl<boost::undirected_tag, unsigned int>,int>> = {<No data fields>}, m_iterator = {<iterator<std::random_access_iterator_tag,char,int,char*,char&>> = {<No data fields>}, _M_current = 0x804d065 ""}}, m_src = 0, m_inc = 3221220260, m_targ = 0, m_n = 6}) at filter_iterator.hpp:61 (gdb) up #6 0x08049f60 in std::pair<boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> ::out_edge_iterator, boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> ::out_edge_iterator> boost::out_edges<boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> (boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> ::vertex_descriptor, boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> > const&) (u=0, g_=@0xbfffed70) at adjacency_matrix.hpp:529 (gdb) up #7 0x08049cc7 in void boost::print_graph_dispatch<boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> >, char const*>(boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> > const&, char const*, boost::undirected_tag) (G=@0xbfffed70, name=0x804b0fc "ABCDEF") at graph_utility.hpp:201 (gdb) up #8 0x08048e28 in void boost::print_graph<boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> >, char const*>(boost::adjacency_matrix<boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, std::allocator<bool> > const&, char const*) (G=@0xbfffed70, name=0x804b0fc "ABCDEF") at graph_utility.hpp:211 (gdb) up #9 0x08048a9a in main () at undirected_adj_matrix.cc:25

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