1 // (C) Copyright 2005 Matthias Troyer 2 3 // Use, modification and distribution is subject to the Boost Software 4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 7 // Authors: Matthias Troyer 8 9 #ifndef BOOST_MPI_DETAIL_IGNORE_IPRIMITIVE_HPP 10 #define BOOST_MPI_DETAIL_IGNORE_IPRIMITIVE_HPP 11 12 #include <boost/config.hpp> 13 #include <boost/mpi/datatype.hpp> 14 #include <boost/serialization/array.hpp> 15 16 17 namespace boost { namespace mpi { namespace detail { 18 19 /// @brief a minimal input archive, which ignores any load 20 /// 21 /// This class implements a minimal input archive, probably an input archive 22 /// archetype, doing nothing at any load. It's use, besides acting as an 23 /// archetype is as a base class to implement special archives that ignore 24 /// loading of most types 25 26 class ignore_iprimitive 27 { 28 public: 29 /// a trivial default constructor ignore_iprimitive()30 ignore_iprimitive() 31 {} 32 33 34 /// don't do anything when loading binary data load_binary(void *,std::size_t)35 void load_binary(void *, std::size_t ) 36 {} 37 38 /// don't do anything when loading arrays 39 template<class T> load_array(serialization::array<T> &,unsigned int)40 void load_array(serialization::array<T> &, unsigned int ) 41 {} 42 43 typedef is_mpi_datatype<mpl::_1> use_array_optimization; 44 45 /// don't do anything when loading primitive types 46 template<class T> load(T &)47 void load(T &) 48 { 49 } 50 }; 51 52 } } } // end namespace boost::mpi::detail 53 54 #endif // BOOST_MPI_DETAIL_IGNORE_IPRIMITIVE_HPP 55