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-rw-r--r--src/boost/libs/graph/example/accum-compile-times.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/boost/libs/graph/example/accum-compile-times.cpp b/src/boost/libs/graph/example/accum-compile-times.cpp
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+++ b/src/boost/libs/graph/example/accum-compile-times.cpp
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+//=======================================================================
+// Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
+//
+// 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>
+#include <fstream>
+#include <iostream>
+#include <numeric>
+#include <iterator>
+#include <string>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/property_iter_range.hpp>
+
+namespace std
+{
+ template < typename T >
+ std::istream& operator >> (std::istream& in, std::pair < T, T > &p)
+ {
+ in >> p.first >> p.second;
+ return in;
+ }
+}
+
+namespace boost
+{
+ enum vertex_compile_cost_t { vertex_compile_cost };
+ BOOST_INSTALL_PROPERTY(vertex, compile_cost);
+}
+
+using namespace boost;
+
+typedef adjacency_list< listS, // Store out-edges of each vertex in a std::list
+ listS, // Store vertex set in a std::list
+ directedS, // The file dependency graph is directed
+ // vertex properties
+ property < vertex_name_t, std::string,
+ property < vertex_compile_cost_t, float,
+ property < vertex_distance_t, float,
+ property < vertex_color_t, default_color_type > > > >,
+ // an edge property
+ property < edge_weight_t, float > >
+ file_dep_graph2;
+
+typedef graph_traits<file_dep_graph2>::vertex_descriptor vertex_t;
+typedef graph_traits<file_dep_graph2>::edge_descriptor edge_t;
+
+int
+main(int argc, const char** argv)
+{
+ std::ifstream file_in(argc >= 2 ? argv[1] : "makefile-dependencies.dat");
+ typedef graph_traits<file_dep_graph2>::vertices_size_type size_type;
+ size_type n_vertices;
+ file_in >> n_vertices; // read in number of vertices
+#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300
+ // std::istream_iterator causes trouble with VC++
+ std::vector<vertex_t> id2vertex;
+ file_dep_graph2 g;
+ for (std::size_t i = 0; i < n_vertices; ++i)
+ id2vertex.push_back(add_vertex(g));
+ std::pair<size_type, size_type> p;
+ while (file_in >> p)
+ add_edge(id2vertex[p.first], id2vertex[p.second], g);
+#else
+ std::istream_iterator<std::pair<size_type, size_type> >
+ input_begin(file_in), input_end;
+ file_dep_graph2 g(input_begin, input_end, n_vertices);
+#endif
+
+ typedef property_map < file_dep_graph2, vertex_name_t >::type name_map_t;
+ typedef property_map < file_dep_graph2, vertex_compile_cost_t >::type
+ compile_cost_map_t;
+
+ name_map_t name_map = get(vertex_name, g);
+ compile_cost_map_t compile_cost_map = get(vertex_compile_cost, g);
+
+ std::ifstream name_in(argc >= 3 ? argv[2] : "makefile-target-names.dat");
+ std::ifstream compile_cost_in(argc >= 4 ? argv[3] : "target-compile-costs.dat");
+ graph_traits < file_dep_graph2 >::vertex_iterator vi, vi_end;
+ for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi) {
+ name_in >> name_map[*vi];
+ compile_cost_in >> compile_cost_map[*vi];
+ }
+
+ graph_property_iter_range < file_dep_graph2,
+ vertex_compile_cost_t >::iterator ci, ci_end;
+ boost::tie(ci, ci_end) = get_property_iter_range(g, vertex_compile_cost);
+ std::cout << "total (sequential) compile time: "
+ << std::accumulate(ci, ci_end, 0.0) << std::endl;
+
+ return 0;
+}
+