AimRT/_deps/boost-src/libs/graph/example/iteration_macros.cpp
2025-01-12 20:40:08 +08:00

66 lines
1.7 KiB
C++

//=======================================================================
// Copyright 2001 Indiana University.
// Author: Jeremy G. Siek
//
// 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)
//=======================================================================
#include <boost/config.hpp>
#ifdef BOOST_MSVC
// Without this we get hard errors, not warnings:
#pragma warning(disable : 4703)
#endif
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/iteration_macros.hpp>
#include <iostream>
enum family
{
Jeanie,
Debbie,
Rick,
John,
Amanda,
Margaret,
Benjamin,
N
};
int main()
{
using namespace boost;
const char* name[] = { "Jeanie", "Debbie", "Rick", "John", "Amanda",
"Margaret", "Benjamin" };
adjacency_list<> g(N);
add_edge(Jeanie, Debbie, g);
add_edge(Jeanie, Rick, g);
add_edge(Jeanie, John, g);
add_edge(Debbie, Amanda, g);
add_edge(Rick, Margaret, g);
add_edge(John, Benjamin, g);
graph_traits< adjacency_list<> >::vertex_iterator i, end;
graph_traits< adjacency_list<> >::adjacency_iterator ai, a_end;
property_map< adjacency_list<>, vertex_index_t >::type index_map
= get(vertex_index, g);
BGL_FORALL_VERTICES(i, g, adjacency_list<>)
{
std::cout << name[get(index_map, i)];
if (out_degree(i, g) == 0)
std::cout << " has no children";
else
std::cout << " is the parent of ";
BGL_FORALL_ADJ(i, j, g, adjacency_list<>)
std::cout << name[get(index_map, j)] << ", ";
std::cout << std::endl;
}
return EXIT_SUCCESS;
}