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loop unrolling count(_if)

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[SVN r37875]
This commit is contained in:
Dan Marsden
2007-06-02 21:48:14 +00:00
parent b33ce64895
commit 40524cfda1
3 changed files with 146 additions and 34 deletions
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16
include/boost/fusion/algorithm/query/count_if.hpp
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@ -1,16 +1,15 @@
/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
Copyright (c) 2007 Dan Marsden
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_COUNT_IF_09162005_0137)
#define FUSION_COUNT_IF_09162005_0137
#if !defined(BOOST_FUSION_COUNT_IF_09162005_0137)
#define BOOST_FUSION_COUNT_IF_09162005_0137
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
#include <boost/fusion/iterator/equal_to.hpp>
#include <boost/fusion/algorithm/query/detail/count_if.hpp>
#include <boost/fusion/support/category_of.hpp>
namespace boost { namespace fusion
{
@ -28,12 +27,7 @@ namespace boost { namespace fusion
count_if(Sequence const& seq, F f)
{
return detail::count_if(
fusion::begin(seq)
, fusion::end(seq)
, f
, result_of::equal_to<
typename result_of::begin<Sequence>::type
, typename result_of::end<Sequence>::type>());
seq, f, typename traits::category_of<Sequence>::type());
}
}}