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//=======================================================================
// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// This file is part of the Boost Graph Library
//
// You should have received a copy of the License Agreement for the
// Boost Graph Library along with the software; see the file LICENSE.
// If not, contact Office of Research, University of Notre Dame, Notre
// Dame, IN 46556.
//
// Permission to modify the code and to distribute modified code is
// granted, provided the text of this NOTICE is retained, a notice that
// the code was modified is included with the above COPYRIGHT NOTICE and
// with the COPYRIGHT NOTICE in the LICENSE file, and that the LICENSE
// file is distributed with the modified code.
//
// LICENSOR MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.
// By way of example, but not limitation, Licensor MAKES NO
// REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY
// PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE COMPONENTS
// OR DOCUMENTATION WILL NOT INFRINGE ANY PATENTS, COPYRIGHTS, TRADEMARKS
// OR OTHER RIGHTS.
//=======================================================================
//
// Sample output:
//
// 0 --(8, 10)--> 1
//
// 1 --(12, 20)--> 4 --(12, 40)--> 3
// <--(8,10)-- 0 <--(16,20)-- 2
// 2 --(16, 20)--> 1
// <--(16,20)-- 5
// 3 --(12, 40)--> 6
// <--(12,40)-- 1
// 4 --(12, 20)--> 7
// <--(12,20)-- 1
// 5 --(16, 20)--> 2
// <--(16,20)-- 6
// 6 --(16, 20)--> 5 --(8, 10)--> 8
// <--(12,20)-- 7 <--(12,40)-- 3
// 7 --(12, 20)--> 6
// <--(12,20)-- 4
// 8
// <--(8,10)-- 6
//
//
// 0 --(8, 1)--> 1
//
// 1 --(12, 2)--> 4 --(12, 3)--> 3
// <--(8,1)-- 0 <--(16,4)-- 2
// 2 --(16, 4)--> 1
// <--(16,7)-- 5
// 3 --(12, 5)--> 6
// <--(12,3)-- 1
// 4 --(12, 6)--> 7
// <--(12,2)-- 1
// 5 --(16, 7)--> 2
// <--(16,8)-- 6
// 6 --(16, 8)--> 5
// <--(12,10)-- 7 <--(12,5)-- 3
// 7 --(12, 10)--> 6
// <--(12,6)-- 4
// 8
//
#include <boost/config.hpp>
#include <iostream>
#include <boost/utility.hpp>
#include <boost/property_map.hpp>
#include <boost/graph/adjacency_list.hpp>
using namespace boost;
using namespace std;
enum edge_myflow_t { edge_myflow };
enum edge_mycapacity_t { edge_mycapacity };
namespace boost {
BOOST_INSTALL_PROPERTY(edge, myflow);
BOOST_INSTALL_PROPERTY(edge, mycapacity);
}
template <class Graph>
void print_network(const Graph& G)
{
typedef typename boost::graph_traits<Graph>::vertex_iterator Viter;
typedef typename boost::graph_traits<Graph>::out_edge_iterator OutEdgeIter;
typedef typename boost::graph_traits<Graph>::in_edge_iterator InEdgeIter;
property_map<Graph, edge_mycapacity_t>::const_type
capacity = get(edge_mycapacity, G);
property_map<Graph, edge_myflow_t>::const_type
flow = get(edge_myflow, G);
Viter ui, uiend;
boost::tie(ui, uiend) = vertices(G);
for (; ui != uiend; ++ui) {
OutEdgeIter out, out_end;
cout << *ui << "\t";
boost::tie(out, out_end) = out_edges(*ui, G);
for(; out != out_end; ++out)
cout << "--(" << capacity[*out] << ", " << flow[*out] << ")--> "
<< target(*out,G) << "\t";
InEdgeIter in, in_end;
cout << endl << "\t";
boost::tie(in, in_end) = in_edges(*ui, G);
for(; in != in_end; ++in)
cout << "<--(" << capacity[*in] << "," << flow[*in] << ")-- "
<< source(*in,G) << "\t";
cout << endl;
}
}
int main(int , char* [])
{
typedef property<edge_mycapacity_t, int> Cap;
typedef property<edge_myflow_t, int, Cap> Flow;
typedef adjacency_list<vecS, vecS, bidirectionalS,
no_property, Flow> Graph;
const int num_vertices = 9;
Graph G(num_vertices);
/* 2<----5
/ ^
/ \
V \
0 ---->1---->3----->6--->8
\ ^
\ /
V /
4----->7
*/
add_edge(0, 1, Flow(10, Cap(8)), G);
add_edge(1, 4, Flow(20, Cap(12)), G);
add_edge(4, 7, Flow(20, Cap(12)), G);
add_edge(7, 6, Flow(20, Cap(12)), G);
add_edge(1, 3, Flow(40, Cap(12)), G);
add_edge(3, 6, Flow(40, Cap(12)), G);
add_edge(6, 5, Flow(20, Cap(16)), G);
add_edge(5, 2, Flow(20, Cap(16)), G);
add_edge(2, 1, Flow(20, Cap(16)), G);
add_edge(6, 8, Flow(10, Cap(8)), G);
typedef boost::graph_traits<Graph>::edge_descriptor Edge;
print_network(G);
property_map<Graph, edge_myflow_t>::type
flow = get(edge_myflow, G);
boost::graph_traits<Graph>::vertex_iterator v, v_end;
boost::graph_traits<Graph>::out_edge_iterator e, e_end;
int f = 0;
for (tie(v, v_end) = vertices(G); v != v_end; ++v)
for (tie(e, e_end) = out_edges(*v, G); e != e_end; ++e)
flow[*e] = ++f;
cout << endl << endl;
remove_edge(6, 8, G);
print_network(G);
return 0;
}
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