From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 20:24:20 +0200
Subject: Adding upstream version 14.2.21.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/boost/libs/graph/example/edge_property.cpp | 163 +++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 src/boost/libs/graph/example/edge_property.cpp

(limited to 'src/boost/libs/graph/example/edge_property.cpp')

diff --git a/src/boost/libs/graph/example/edge_property.cpp b/src/boost/libs/graph/example/edge_property.cpp
new file mode 100644
index 00000000..879e7570
--- /dev/null
+++ b/src/boost/libs/graph/example/edge_property.cpp
@@ -0,0 +1,163 @@
+//=======================================================================
+// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
+// Authors: Andrew Lumsdaine, Lie-Quan Lee, 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)
+//=======================================================================
+//
+//  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/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;
+
+  typename property_map<Graph, edge_mycapacity_t>::const_type
+    capacity = get(edge_mycapacity, G);
+  typename 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);
+
+  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 (boost::tie(v, v_end) = vertices(G); v != v_end; ++v)
+    for (boost::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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