1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- //---------------------------------------------------------------------------//
- // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
- //
- // 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
- //
- // See http://boostorg.github.com/compute for more information.
- //---------------------------------------------------------------------------//
- #ifndef BOOST_COMPUTE_DETAIL_MPL_VECTOR_TO_TUPLE_HPP
- #define BOOST_COMPUTE_DETAIL_MPL_VECTOR_TO_TUPLE_HPP
- #include <boost/mpl/copy.hpp>
- #include <boost/mpl/vector.hpp>
- #include <boost/tuple/tuple.hpp>
- #include <boost/fusion/include/mpl.hpp>
- #include <boost/fusion/adapted/boost_tuple.hpp>
- #include <boost/preprocessor/repetition.hpp>
- #include <boost/compute/config.hpp>
- namespace boost {
- namespace compute {
- namespace detail {
- namespace mpl = boost::mpl;
- template<class Vector, size_t N>
- struct mpl_vector_to_tuple_impl;
- #define BOOST_COMPUTE_PRINT_ELEM(z, n, unused) \
- typename mpl::at_c<Vector, n>::type
- #define BOOST_COMPUTE_VEC2TUP(z, n, unused) \
- template<class Vector> \
- struct mpl_vector_to_tuple_impl<Vector, n> \
- { \
- typedef typename \
- boost::tuple< \
- BOOST_PP_ENUM(n, BOOST_COMPUTE_PRINT_ELEM, ~) \
- > type; \
- };
- BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_VEC2TUP, ~)
- #undef BOOST_COMPUTE_VEC2TUP
- #undef BOOST_COMPUTE_PRINT_ELEM
- // meta-function which converts a mpl::vector to a boost::tuple
- template<class Vector>
- struct mpl_vector_to_tuple
- {
- typedef typename
- mpl_vector_to_tuple_impl<
- Vector,
- mpl::size<Vector>::value
- >::type type;
- };
- } // end detail namespace
- } // end compute namespace
- } // end boost namespace
- #endif // BOOST_COMPUTE_DETAIL_MPL_VECTOR_TO_TUPLE_HPP
|