/*============================================================================= Copyright (c) 1999-2003 Jaakko Jarvi Copyright (c) 2001-2011 Joel de Guzman 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) ==============================================================================*/ #if !defined(FUSION_LESS_EQUAL_05052005_1141) #define FUSION_LESS_EQUAL_05052005_1141 #include <boost/fusion/support/config.hpp> #include <boost/mpl/bool.hpp> #include <boost/fusion/iterator/deref.hpp> #include <boost/fusion/iterator/next.hpp> #include <boost/fusion/iterator/equal_to.hpp> #include <boost/fusion/support/as_const.hpp> namespace boost { namespace fusion { namespace detail { template <typename Seq1, typename Seq2> struct sequence_less_equal { typedef typename result_of::end<Seq1>::type end1_type; typedef typename result_of::end<Seq2>::type end2_type; template <typename I1, typename I2> BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED static bool call(I1 const&, I2 const&, mpl::true_) { return true; } template <typename I1, typename I2> BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED static bool call(I1 const& a, I2 const& b, mpl::false_) { return extension::as_const(*a) <= extension::as_const(*b) && (!(extension::as_const(*b) <= extension::as_const(*a)) || call(fusion::next(a), fusion::next(b))); } template <typename I1, typename I2> BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED static bool call(I1 const& a, I2 const& b) { typename result_of::equal_to<I1, end1_type>::type eq; return call(a, b, eq); } }; }}} #endif