text: #ifndef BOOST_SERIALIZATION_VALARAY_HPP
  #define BOOST_SERIALIZATION_VALARAY_HPP
  
  // MS compatible compilers support #pragma once
  #if defined(_MSC_VER)
  # pragma once
  #endif
  
  /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  // valarray.hpp: serialization for stl vector templates
  
  // (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)
  
  //  See http://www.boost.org for updates, documentation, and revision history.
  
  #include <valarray>
  #include <boost/config.hpp>
  #include <boost/serialization/split_free.hpp>
  #include <boost/serialization/array.hpp>
  #include <boost/serialization/collection_size_type.hpp>
  #include <boost/serialization/detail/get_data.hpp>
  
  // function specializations must be defined in the appropriate
  // namespace - boost::serialization
  #if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
  #define STD _STLP_STD
  #else
  #define STD std
  #endif
  
  namespace boost { 
  namespace serialization {
  
  /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  // valarray< T >
  
  template<class Archive, class U>
  void save( Archive & ar, const STD::valarray<U> &t, const unsigned int /*file_version*/ )
  {
    const collection_size_type count(t.size());
    ar << BOOST_SERIALIZATION_NVP(count);
    if (t.size())
      ar << make_array(detail::get_data(t), t.size());
  }
  
  template<class Archive, class U>
  void load( Archive & ar, STD::valarray<U> &t,  const unsigned int /*file_version*/ )
  {
    collection_size_type count;
    ar >> BOOST_SERIALIZATION_NVP(count);
    t.resize(count);
    if (t.size())
      ar >> make_array(detail::get_data(t), t.size());
  }
  
  // split non-intrusive serialization function member into separate
  // non intrusive save/load member functions
  template<class Archive, class U>
  inline void serialize( Archive & ar, STD::valarray<U> & t, const unsigned int file_version)
  {
      boost::serialization::split_free(ar, t, file_version);
  }
  
  } } // end namespace boost::serialization
  
  #include <boost/serialization/collection_traits.hpp>
  
  BOOST_SERIALIZATION_COLLECTION_TRAITS(STD::valarray)
  #undef STD
  
  #endif // BOOST_SERIALIZATION_VALARAY_HPP
  