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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
|---|---|---|
| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/mpl/advance.hpp | |
| download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/mpl/advance.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/mpl/advance.hpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/mpl/advance.hpp b/3rdParty/Boost/boost/mpl/advance.hpp new file mode 100644 index 0000000..c8b5ae8 --- /dev/null +++ b/3rdParty/Boost/boost/mpl/advance.hpp @@ -0,0 +1,76 @@ + +#ifndef BOOST_MPL_ADVANCE_HPP_INCLUDED +#define BOOST_MPL_ADVANCE_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.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ +// $Revision: 49267 $ + +#include <boost/mpl/advance_fwd.hpp> +#include <boost/mpl/less.hpp> +#include <boost/mpl/negate.hpp> +#include <boost/mpl/long.hpp> +#include <boost/mpl/if.hpp> +#include <boost/mpl/tag.hpp> +#include <boost/mpl/apply_wrap.hpp> +#include <boost/mpl/aux_/advance_forward.hpp> +#include <boost/mpl/aux_/advance_backward.hpp> +#include <boost/mpl/aux_/value_wknd.hpp> +#include <boost/mpl/aux_/na_spec.hpp> +#include <boost/mpl/aux_/nttp_decl.hpp> + +namespace boost { namespace mpl { + +// default implementation for forward/bidirectional iterators +template< typename Tag > +struct advance_impl +{ + template< typename Iterator, typename N > struct apply + { + typedef typename less< N,long_<0> >::type backward_; + typedef typename if_< backward_, negate<N>, N >::type offset_; + + typedef typename if_< + backward_ + , aux::advance_backward< BOOST_MPL_AUX_VALUE_WKND(offset_)::value > + , aux::advance_forward< BOOST_MPL_AUX_VALUE_WKND(offset_)::value > + >::type f_; + + typedef typename apply_wrap1<f_,Iterator>::type type; + }; +}; + + +template< + typename BOOST_MPL_AUX_NA_PARAM(Iterator) + , typename BOOST_MPL_AUX_NA_PARAM(N) + > +struct advance + : advance_impl< typename tag<Iterator>::type > + ::template apply<Iterator,N> +{ +}; + +template< + typename Iterator + , BOOST_MPL_AUX_NTTP_DECL(long, N) + > +struct advance_c + : advance_impl< typename tag<Iterator>::type > + ::template apply<Iterator,long_<N> > +{ +}; + +BOOST_MPL_AUX_NA_SPEC(2, advance) + +}} + +#endif // BOOST_MPL_ADVANCE_HPP_INCLUDED |