Added boost header

test/external/boost/graph/wavefront.hpp

@@ -0,0 +1,135 @@
+//
+//=======================================================================
+// Copyright 2002 Marc Wintermantel (wintermantel@even-ag.ch)
+// ETH Zurich, Center of Structure Technologies (www.imes.ethz.ch/st)
+//
+// 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)
+//=======================================================================
+//
+
+#ifndef BOOST_GRAPH_WAVEFRONT_HPP
+#define BOOST_GRAPH_WAVEFRONT_HPP
+
+#include <boost/config.hpp>
+#include <boost/graph/graph_traits.hpp>
+#include <boost/detail/numeric_traits.hpp>
+#include <boost/graph/bandwidth.hpp>
+#include <boost/config/no_tr1/cmath.hpp>
+#include <vector>
+#include <algorithm> // for std::min and std::max
+
+namespace boost {
+
+  template <typename Graph, typename VertexIndexMap>
+  typename graph_traits<Graph>::vertices_size_type
+  ith_wavefront(typename graph_traits<Graph>::vertex_descriptor i,
+                const Graph& g,
+                VertexIndexMap index)
+  {
+    typename graph_traits<Graph>::vertex_descriptor v, w;
+    typename graph_traits<Graph>::vertices_size_type b = 1;
+    typename graph_traits<Graph>::out_edge_iterator edge_it2, edge_it2_end; 
+    typename graph_traits<Graph>::vertices_size_type index_i = index[i];
+    std::vector<bool> rows_active(num_vertices(g), false);
+
+    rows_active[index_i] = true;
+      
+      typename graph_traits<Graph>::vertex_iterator ui, ui_end;
+      for (boost::tie(ui, ui_end) = vertices(g); ui != ui_end; ++ui)
+      {
+        v = *ui;
+          if(index[v] <= index_i)
+            {
+              for (boost::tie(edge_it2, edge_it2_end) = out_edges(v, g); edge_it2 != edge_it2_end; ++edge_it2)
+              {
+                w = target(*edge_it2, g);
+                if( (index[w] >= index_i) && (!rows_active[index[w]]) )
+                  {
+                    b++;
+                    rows_active[index[w]] = true;
+                  }
+              }
+            }
+      }
+ 
+    return b;
+  }
+
+
+  template <typename Graph>
+  typename graph_traits<Graph>::vertices_size_type
+  ith_wavefront(typename graph_traits<Graph>::vertex_descriptor i,
+                const Graph& g)
+  {
+    return ith_wavefront(i, g, get(vertex_index, g));
+  }
+
+
+  template <typename Graph, typename VertexIndexMap>
+  typename graph_traits<Graph>::vertices_size_type
+  max_wavefront(const Graph& g, VertexIndexMap index)
+  {
+    BOOST_USING_STD_MAX();
+    typename graph_traits<Graph>::vertices_size_type b = 0;
+    typename graph_traits<Graph>::vertex_iterator i, end;
+    for (boost::tie(i, end) = vertices(g); i != end; ++i)
+      b = max BOOST_PREVENT_MACRO_SUBSTITUTION(b, ith_wavefront(*i, g, index));
+    return b;
+  }
+
+  template <typename Graph>
+  typename graph_traits<Graph>::vertices_size_type
+  max_wavefront(const Graph& g)
+  {
+    return max_wavefront(g, get(vertex_index, g));
+  }
+
+
+  template <typename Graph, typename VertexIndexMap>
+  double
+  aver_wavefront(const Graph& g, VertexIndexMap index)
+  {
+    double b = 0;
+    typename graph_traits<Graph>::vertex_iterator i, end;
+    for (boost::tie(i, end) = vertices(g); i != end; ++i)
+      b += ith_wavefront(*i, g, index);
+
+    b /= num_vertices(g);
+    return b;
+  }
+
+  template <typename Graph>
+  double
+  aver_wavefront(const Graph& g)
+  {
+    return aver_wavefront(g, get(vertex_index, g));
+  }
+
+
+  template <typename Graph, typename VertexIndexMap>
+  double
+  rms_wavefront(const Graph& g, VertexIndexMap index)
+  {
+    double b = 0;
+    typename graph_traits<Graph>::vertex_iterator i, end;
+    for (boost::tie(i, end) = vertices(g); i != end; ++i)
+      b += std::pow(double ( ith_wavefront(*i, g, index) ), 2.0);
+
+    b /= num_vertices(g);
+
+    return std::sqrt(b);
+  }
+
+  template <typename Graph>
+  double
+  rms_wavefront(const Graph& g)
+  {
+    return rms_wavefront(g, get(vertex_index, g));
+  }
+ 
+  
+} // namespace boost
+
+#endif // BOOST_GRAPH_WAVEFRONT_HPP