56 lines
1.9 KiB
Plaintext
56 lines
1.9 KiB
Plaintext
/*=============================================================================
|
|
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
|