Added boost header

test/external/boost/graph/distributed/unsafe_serialize.hpp

@@ -0,0 +1,85 @@
+// Copyright (C) 2006 The Trustees of Indiana University.
+
+// Use, modification and distribution is subject to 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)
+
+//  Authors: Douglas Gregor
+//           Andrew Lumsdaine
+
+// This file contains the "unsafe_serialize" routine, which transforms
+// types they may not be serializable (such as void*) into
+// serializable equivalents.
+#ifndef PBGL_UNSAFE_SERIALIZE_HPP
+#define PBGL_UNSAFE_SERIALIZE_HPP
+
+#ifndef BOOST_GRAPH_USE_MPI
+#error "Parallel BGL files should not be included unless <boost/graph/use_mpi.hpp> has been included"
+#endif
+
+#include <boost/mpi/datatype.hpp>
+#include <boost/serialization/is_bitwise_serializable.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/type_traits.hpp>
+#include <utility>
+
+BOOST_IS_BITWISE_SERIALIZABLE(void*)
+namespace boost { namespace mpi {
+    template<> struct is_mpi_datatype<void*> : mpl::true_ { };
+} } // end namespace boost::mpi
+
+namespace boost {
+  typedef mpl::if_c<(sizeof(int) == sizeof(void*)), 
+                    int, 
+                    mpl::if_c<(sizeof(long) == sizeof(void*)),
+                              long,
+                              mpl::if_c<(sizeof(void*) <= sizeof(boost::intmax_t)),
+                                        boost::intmax_t,
+                                        void>::type
+                              >::type
+                    >::type ptr_serialize_type;
+
+  BOOST_STATIC_ASSERT ((!boost::is_void<ptr_serialize_type>::value));
+    
+  template<typename T> inline T& unsafe_serialize(T& x) { return x; }
+
+  inline ptr_serialize_type& unsafe_serialize(void*& x)
+  { return reinterpret_cast<ptr_serialize_type&>(x); }
+
+  // Force Boost.MPI to serialize a void* like a ptr_serialize_type
+  namespace mpi {
+    template<> inline MPI_Datatype get_mpi_datatype<void*>(void* const& x)
+    {
+      return get_mpi_datatype<ptr_serialize_type>();
+    }
+  }
+
+  template<typename T, typename U>
+  struct unsafe_pair
+  {
+    unsafe_pair() { }
+    unsafe_pair(const T& t, const U& u) : first(t), second(u) { }
+    unsafe_pair(const std::pair<T, U>& p) : first(p.first), second(p.second) { }
+    T first;
+    U second;
+
+    template<typename Archiver>
+    void serialize(Archiver& ar, const unsigned /*version*/)
+    {
+      ar & unsafe_serialize(first) & unsafe_serialize(second);
+    }
+  };
+
+  template<typename T, typename U>
+  bool operator<(unsafe_pair<T,U> const& x, unsafe_pair<T,U> const& y)
+  {
+    return std::make_pair(x.first, x.second) < 
+      std::make_pair(y.first, y.second);  
+  }
+
+} // end namespace boost
+
+#endif // PBGL_UNSAFE_SERIALIZE_HPP