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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/fusion/sequence/comparison/detail/greater_equal.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/fusion/sequence/comparison/detail/greater_equal.hpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/fusion/sequence/comparison/detail/greater_equal.hpp b/src/third_party/boost-1.60.0/boost/fusion/sequence/comparison/detail/greater_equal.hpp new file mode 100644 index 00000000000..d15d88c4040 --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/fusion/sequence/comparison/detail/greater_equal.hpp @@ -0,0 +1,55 @@ +/*============================================================================= + 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_GREATER_EQUAL_05052005_1142) +#define FUSION_GREATER_EQUAL_05052005_1142 + +#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_greater_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 |