diff -r 820b22e13ff1 -r 39c28ec933dd imgtools/imglib/boostlibrary/boost/mpl/advance.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imgtools/imglib/boostlibrary/boost/mpl/advance.hpp Mon May 10 19:54:49 2010 +0100 @@ -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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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 >::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::type type; + }; +}; + + +template< + typename BOOST_MPL_AUX_NA_PARAM(Iterator) + , typename BOOST_MPL_AUX_NA_PARAM(N) + > +struct advance + : advance_impl< typename tag::type > + ::template apply +{ +}; + +template< + typename Iterator + , BOOST_MPL_AUX_NTTP_DECL(long, N) + > +struct advance_c + : advance_impl< typename tag::type > + ::template apply > +{ +}; + +BOOST_MPL_AUX_NA_SPEC(2, advance) + +}} + +#endif // BOOST_MPL_ADVANCE_HPP_INCLUDED