Added boost header

test/external/boost/mpi/detail/packed_iprimitive.hpp

@@ -0,0 +1,116 @@
+// (C) Copyright 2005 Matthias Troyer
+
+// 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: Matthias Troyer
+
+#ifndef BOOST_MPI_PACKED_IPRIMITIVE_HPP
+#define BOOST_MPI_PACKED_IPRIMITIVE_HPP
+
+#include <boost/mpi/config.hpp>
+#include <cstddef> // size_t
+#include <boost/config.hpp>
+#include <boost/mpi/datatype.hpp>
+#include <boost/mpi/exception.hpp>
+#include <boost/assert.hpp>
+#include <boost/serialization/array.hpp>
+#include <boost/serialization/detail/get_data.hpp>
+#include <vector>
+#include <boost/mpi/allocator.hpp>
+
+namespace boost { namespace mpi {
+
+/// deserialization using MPI_Unpack
+
+class BOOST_MPI_DECL packed_iprimitive
+{
+public:
+    /// the type of the buffer from which the data is unpacked upon deserialization
+    typedef std::vector<char, allocator<char> > buffer_type;
+
+    packed_iprimitive(buffer_type & b, MPI_Comm const & comm, int position = 0)
+         : buffer_(b),
+           comm(comm),
+           position(position)
+        {
+        }
+
+    void* address ()
+    {
+      return &buffer_[0];
+    }
+
+    void const* address () const
+    {
+      return &buffer_[0];
+    }
+
+    const std::size_t& size() const
+    {
+      return size_ = buffer_.size();
+    }
+
+    void resize(std::size_t s)
+    {
+      buffer_.resize(s);
+    }
+
+    void load_binary(void *address, std::size_t count)
+        {
+          load_impl(address,MPI_BYTE,count);
+        }
+
+    // fast saving of arrays of fundamental types
+    template<class T>
+    void load_array(serialization::array<T> const& x, unsigned int /* file_version */)
+    {
+      if (x.count())
+        load_impl(x.address(), get_mpi_datatype(*x.address()), x.count());
+    }
+
+/*
+    template<class T>
+    void load(serialization::array<T> const& x)
+    {
+      load_array(x,0u);
+    }
+*/
+
+    typedef is_mpi_datatype<mpl::_1> use_array_optimization;
+
+    // default saving of primitives.
+    template<class T>
+    void load( T & t)
+    {
+      load_impl(&t, get_mpi_datatype(t), 1);
+    }
+
+    template<class CharType>
+    void load(std::basic_string<CharType> & s)
+    {
+        unsigned int l;
+        load(l);
+        s.resize(l);
+        // note breaking a rule here - could be a problem on some platform
+        load_impl(const_cast<CharType *>(s.data()),get_mpi_datatype(CharType()),l);
+    }
+
+private:
+
+    void load_impl(void * p, MPI_Datatype t, int l)
+    {
+      BOOST_MPI_CHECK_RESULT(MPI_Unpack,
+        (const_cast<char*>(boost::serialization::detail::get_data(buffer_)), buffer_.size(), &position, p, l, t, comm));
+    }
+
+    buffer_type & buffer_;
+    mutable std::size_t size_;
+    MPI_Comm comm;
+    int position;
+};
+
+} } // end namespace boost::mpi
+
+#endif // BOOST_MPI_PACKED_IPRIMITIVE_HPP