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author | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
commit | 1a78a62555be32868418fe52f8e330c9d0f95d5a (patch) | |
tree | d3765a80e7d3b9640ec2e930743630cd6b9fce2b /boost/fusion/sequence/comparison/detail/less_equal.hpp | |
download | boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.gz boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.bz2 boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.zip |
Imported Upstream version 1.49.0upstream/1.49.0
Diffstat (limited to 'boost/fusion/sequence/comparison/detail/less_equal.hpp')
-rw-r--r-- | boost/fusion/sequence/comparison/detail/less_equal.hpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/boost/fusion/sequence/comparison/detail/less_equal.hpp b/boost/fusion/sequence/comparison/detail/less_equal.hpp new file mode 100644 index 0000000000..08fe9ec389 --- /dev/null +++ b/boost/fusion/sequence/comparison/detail/less_equal.hpp @@ -0,0 +1,49 @@ +/*============================================================================= + 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/mpl/bool.hpp> +#include <boost/fusion/iterator/deref.hpp> +#include <boost/fusion/iterator/next.hpp> +#include <boost/fusion/iterator/equal_to.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> + static bool + call(I1 const&, I2 const&, mpl::true_) + { + return true; + } + + template <typename I1, typename I2> + static bool + call(I1 const& a, I2 const& b, mpl::false_) + { + return *a <= *b + && (!(*b <= *a) || call(fusion::next(a), fusion::next(b))); + } + + template <typename I1, typename I2> + 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 |