Chris@16: 
Chris@16: #ifndef BOOST_MPL_FOR_EACH_HPP_INCLUDED
Chris@16: #define BOOST_MPL_FOR_EACH_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2008
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #include <boost/mpl/is_sequence.hpp>
Chris@16: #include <boost/mpl/begin_end.hpp>
Chris@16: #include <boost/mpl/apply.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/mpl/next_prior.hpp>
Chris@16: #include <boost/mpl/deref.hpp>
Chris@16: #include <boost/mpl/identity.hpp>
Chris@16: #include <boost/mpl/assert.hpp>
Chris@101: #include <boost/mpl/aux_/config/gpu.hpp>
Chris@16: #include <boost/mpl/aux_/unwrap.hpp>
Chris@16: 
Chris@16: #include <boost/type_traits/is_same.hpp>
Chris@16: #include <boost/utility/value_init.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: namespace aux {
Chris@16: 
Chris@16: template< bool done = true >
Chris@16: struct for_each_impl
Chris@16: {
Chris@16:     template<
Chris@16:           typename Iterator
Chris@16:         , typename LastIterator
Chris@16:         , typename TransformFunc
Chris@16:         , typename F
Chris@16:         >
Chris@101:     BOOST_MPL_CFG_GPU_ENABLED
Chris@16:     static void execute(
Chris@16:           Iterator*
Chris@16:         , LastIterator*
Chris@16:         , TransformFunc*
Chris@16:         , F
Chris@16:         )
Chris@16:     {
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: template<>
Chris@16: struct for_each_impl<false>
Chris@16: {
Chris@16:     template<
Chris@16:           typename Iterator
Chris@16:         , typename LastIterator
Chris@16:         , typename TransformFunc
Chris@16:         , typename F
Chris@16:         >
Chris@101:     BOOST_MPL_CFG_GPU_ENABLED
Chris@16:     static void execute(
Chris@16:           Iterator*
Chris@16:         , LastIterator*
Chris@16:         , TransformFunc* 
Chris@16:         , F f
Chris@16:         )
Chris@16:     {
Chris@16:         typedef typename deref<Iterator>::type item;
Chris@16:         typedef typename apply1<TransformFunc,item>::type arg;
Chris@16:     
Chris@16:         // dwa 2002/9/10 -- make sure not to invoke undefined behavior
Chris@16:         // when we pass arg.
Chris@16:         value_initialized<arg> x;
Chris@16:         aux::unwrap(f, 0)(boost::get(x));
Chris@16:         
Chris@16:         typedef typename mpl::next<Iterator>::type iter;
Chris@16:         for_each_impl<boost::is_same<iter,LastIterator>::value>
Chris@16:             ::execute( static_cast<iter*>(0), static_cast<LastIterator*>(0), static_cast<TransformFunc*>(0), f);
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: } // namespace aux
Chris@16: 
Chris@16: // agurt, 17/mar/02: pointer default parameters are necessary to workaround 
Chris@16: // MSVC 6.5 function template signature's mangling bug
Chris@16: template<
Chris@16:       typename Sequence
Chris@16:     , typename TransformOp
Chris@16:     , typename F
Chris@16:     >
Chris@101: BOOST_MPL_CFG_GPU_ENABLED
Chris@16: inline
Chris@16: void for_each(F f, Sequence* = 0, TransformOp* = 0)
Chris@16: {
Chris@16:     BOOST_MPL_ASSERT(( is_sequence<Sequence> ));
Chris@16: 
Chris@16:     typedef typename begin<Sequence>::type first;
Chris@16:     typedef typename end<Sequence>::type last;
Chris@16: 
Chris@16:     aux::for_each_impl< boost::is_same<first,last>::value >
Chris@16:         ::execute(static_cast<first*>(0), static_cast<last*>(0), static_cast<TransformOp*>(0), f);
Chris@16: }
Chris@16: 
Chris@16: template<
Chris@16:       typename Sequence
Chris@16:     , typename F
Chris@16:     >
Chris@101: BOOST_MPL_CFG_GPU_ENABLED
Chris@16: inline
Chris@16: void for_each(F f, Sequence* = 0)
Chris@16: {
Chris@101:   // jfalcou: fully qualifying this call so it doesnt clash with phoenix::for_each
Chris@101:   // ons ome compilers -- done on 02/28/2011
Chris@101:   boost::mpl::for_each<Sequence, identity<> >(f);
Chris@16: }
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_FOR_EACH_HPP_INCLUDED