ceph/src/boost/libs/fusion/include/boost/fusion/sequence/comparison/greater.hpp

   1 /*=============================================================================
   2     Copyright (c) 1999-2003 Jaakko Jarvi
   3     Copyright (c) 2001-2011 Joel de Guzman
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #if !defined(FUSION_GREATER_05052005_0432)
   9 #define FUSION_GREATER_05052005_0432
  10
  11 #include <boost/fusion/support/config.hpp>
  12 #include <boost/fusion/sequence/intrinsic/begin.hpp>
  13 #include <boost/fusion/sequence/intrinsic/end.hpp>
  14 #include <boost/fusion/sequence/intrinsic/size.hpp>
  15 #include <boost/fusion/sequence/comparison/enable_comparison.hpp>
  16
  17 #if defined(FUSION_DIRECT_OPERATOR_USAGE)
  18 #include <boost/fusion/sequence/comparison/detail/greater.hpp>
  19 #else
  20 #include <boost/fusion/sequence/comparison/less.hpp>
  21 #endif
  22
  23 namespace boost { namespace fusion
  24 {
  25     template <typename Seq1, typename Seq2>
  26     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  27     inline bool
  28     greater(Seq1 const& a, Seq2 const& b)
  29     {
  30 #if defined(FUSION_DIRECT_OPERATOR_USAGE)
  31         return detail::sequence_greater<Seq1 const, Seq2 const>::
  32             call(fusion::begin(a), fusion::begin(b));
  33 #else
  34         return (b < a);
  35 #endif
  36     }
  37
  38     namespace operators
  39     {
  40         template <typename Seq1, typename Seq2>
  41         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  42         inline typename
  43             boost::enable_if<
  44                 traits::enable_comparison<Seq1, Seq2>
  45               , bool
  46             >::type
  47         operator>(Seq1 const& a, Seq2 const& b)
  48         {
  49             return fusion::greater(a, b);
  50         }
  51     }
  52     using operators::operator>;
  53 }}
  54
  55 #endif