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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/mpl/aux_/advance_backward.hpp | |
| download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/mpl/aux_/advance_backward.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/mpl/aux_/advance_backward.hpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/mpl/aux_/advance_backward.hpp b/3rdParty/Boost/boost/mpl/aux_/advance_backward.hpp new file mode 100644 index 0000000..169202a --- /dev/null +++ b/3rdParty/Boost/boost/mpl/aux_/advance_backward.hpp @@ -0,0 +1,128 @@ + +#if !defined(BOOST_PP_IS_ITERATING) + +///// header body + +#ifndef BOOST_MPL_AUX778076_ADVANCE_BACKWARD_HPP_INCLUDED +#define BOOST_MPL_AUX778076_ADVANCE_BACKWARD_HPP_INCLUDED + +// Copyright Aleksey Gurtovoy 2000-2004 +// +// 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://www.boost.org/libs/mpl for documentation. + +// $Id: advance_backward.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ +// $Revision: 49267 $ + +#if !defined(BOOST_MPL_PREPROCESSING_MODE) +# include <boost/mpl/prior.hpp> +# include <boost/mpl/apply_wrap.hpp> +#endif + +#include <boost/mpl/aux_/config/use_preprocessed.hpp> + +#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ + && !defined(BOOST_MPL_PREPROCESSING_MODE) + +# define BOOST_MPL_PREPROCESSED_HEADER advance_backward.hpp +# include <boost/mpl/aux_/include_preprocessed.hpp> + +#else + +# include <boost/mpl/limits/unrolling.hpp> +# include <boost/mpl/aux_/nttp_decl.hpp> +# include <boost/mpl/aux_/config/eti.hpp> + +# include <boost/preprocessor/iterate.hpp> +# include <boost/preprocessor/cat.hpp> +# include <boost/preprocessor/inc.hpp> + +namespace boost { namespace mpl { namespace aux { + +// forward declaration +template< BOOST_MPL_AUX_NTTP_DECL(long, N) > struct advance_backward; + +# define BOOST_PP_ITERATION_PARAMS_1 \ + (3,(0, BOOST_MPL_LIMIT_UNROLLING, <boost/mpl/aux_/advance_backward.hpp>)) +# include BOOST_PP_ITERATE() + +// implementation for N that exceeds BOOST_MPL_LIMIT_UNROLLING +template< BOOST_MPL_AUX_NTTP_DECL(long, N) > +struct advance_backward +{ + template< typename Iterator > struct apply + { + typedef typename apply_wrap1< + advance_backward<BOOST_MPL_LIMIT_UNROLLING> + , Iterator + >::type chunk_result_; + + typedef typename apply_wrap1< + advance_backward<( + (N - BOOST_MPL_LIMIT_UNROLLING) < 0 + ? 0 + : N - BOOST_MPL_LIMIT_UNROLLING + )> + , chunk_result_ + >::type type; + }; +}; + +}}} + +#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS +#endif // BOOST_MPL_AUX778076_ADVANCE_BACKWARD_HPP_INCLUDED + +///// iteration, depth == 1 + +// For gcc 4.4 compatability, we must include the +// BOOST_PP_ITERATION_DEPTH test inside an #else clause. +#else // BOOST_PP_IS_ITERATING +#if BOOST_PP_ITERATION_DEPTH() == 1 +#define i_ BOOST_PP_FRAME_ITERATION(1) + +template<> +struct advance_backward< BOOST_PP_FRAME_ITERATION(1) > +{ + template< typename Iterator > struct apply + { + typedef Iterator iter0; + +#if i_ > 0 +# define BOOST_PP_ITERATION_PARAMS_2 \ + (3,(1, BOOST_PP_FRAME_ITERATION(1), <boost/mpl/aux_/advance_backward.hpp>)) +# include BOOST_PP_ITERATE() +#endif + + typedef BOOST_PP_CAT(iter,BOOST_PP_FRAME_ITERATION(1)) type; + }; + +#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) + /// ETI workaround + template<> struct apply<int> + { + typedef int type; + }; +#endif +}; + +#undef i_ + +///// iteration, depth == 2 + +#elif BOOST_PP_ITERATION_DEPTH() == 2 + +# define AUX778076_ITER_0 BOOST_PP_CAT(iter,BOOST_PP_DEC(BOOST_PP_FRAME_ITERATION(2))) +# define AUX778076_ITER_1 BOOST_PP_CAT(iter,BOOST_PP_FRAME_ITERATION(2)) + + typedef typename prior<AUX778076_ITER_0>::type AUX778076_ITER_1; + +# undef AUX778076_ITER_1 +# undef AUX778076_ITER_0 + +#endif // BOOST_PP_ITERATION_DEPTH() +#endif // BOOST_PP_IS_ITERATING |