Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/mpl/vector/aux_/at.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/mpl/vector/aux_/at.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,116 @@ + +#ifndef BOOST_MPL_VECTOR_AUX_AT_HPP_INCLUDED +#define BOOST_MPL_VECTOR_AUX_AT_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: at.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ +// $Revision: 49267 $ + +#include <boost/mpl/at_fwd.hpp> +#include <boost/mpl/vector/aux_/tag.hpp> +#include <boost/mpl/long.hpp> +#include <boost/mpl/void.hpp> +#include <boost/mpl/aux_/nttp_decl.hpp> +#include <boost/mpl/aux_/type_wrapper.hpp> +#include <boost/mpl/aux_/value_wknd.hpp> +#include <boost/mpl/aux_/config/typeof.hpp> +#include <boost/mpl/aux_/config/ctps.hpp> + +namespace boost { namespace mpl { + +#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES) + +template< typename Vector, long n_ > +struct v_at_impl +{ + typedef long_< (Vector::lower_bound_::value + n_) > index_; + typedef __typeof__( Vector::item_(index_()) ) type; +}; + + +template< typename Vector, long n_ > +struct v_at + : aux::wrapped_type< typename v_at_impl<Vector,n_>::type > +{ +}; + +template<> +struct at_impl< aux::vector_tag > +{ + template< typename Vector, typename N > struct apply + : v_at< + Vector + , BOOST_MPL_AUX_VALUE_WKND(N)::value + > + { + }; +}; + +#else + +# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ + && !defined(BOOST_MPL_CFG_NO_NONTYPE_TEMPLATE_PARTIAL_SPEC) + +template< typename Vector, BOOST_MPL_AUX_NTTP_DECL(long, n_) > struct v_at; + +template< BOOST_MPL_AUX_NTTP_DECL(long, n_) > +struct at_impl< aux::vector_tag<n_> > +{ + template< typename Vector, typename N > struct apply +#if !defined(__BORLANDC__) + : v_at< + Vector + , BOOST_MPL_AUX_VALUE_WKND(N)::value + > + { +#else + { + typedef typename v_at< + Vector + , BOOST_MPL_AUX_VALUE_WKND(N)::value + >::type type; +#endif + }; +}; + +# else + +namespace aux { + +template< BOOST_MPL_AUX_NTTP_DECL(long, n_) > struct v_at_impl +{ + template< typename V > struct result_; +}; + +// to work around ETI, etc. +template<> struct v_at_impl<-1> +{ + template< typename V > struct result_ + { + typedef void_ type; + }; +}; + +} // namespace aux + +template< typename T, BOOST_MPL_AUX_NTTP_DECL(long, n_) > +struct v_at + : aux::v_at_impl<n_>::template result_<T> +{ +}; + +# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES + +}} + +#endif // BOOST_MPL_VECTOR_AUX_AT_HPP_INCLUDED