Sprout/sprout/algorithm/fit/partition_copy.hpp
2014-07-12 12:59:16 +09:00

56 lines
2.4 KiB
C++

/*=============================================================================
Copyright (c) 2011-2014 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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)
=============================================================================*/
#ifndef SPROUT_ALGORITHM_FIT_PARTITION_COPY_HPP
#define SPROUT_ALGORITHM_FIT_PARTITION_COPY_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/distance.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/algorithm/fixed/partition_copy.hpp>
#include <sprout/algorithm/fit/results.hpp>
#include <sprout/sub_array/sub_array.hpp>
#include <sprout/sub_array/sub.hpp>
#include <sprout/detail/algorithm/count_n_if.hpp>
#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
#include <sprout/iterator/type_traits/category.hpp>
namespace sprout {
namespace fit {
namespace detail {
template<typename InputIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
partition_copy_impl(
InputIterator first, InputIterator last, Result const& result, Predicate pred,
typename sprout::container_traits<Result>::difference_type offset
)
{
typedef typename std::iterator_traits<InputIterator>::difference_type diff_type;
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::partition_copy(first, last, result, pred)),
offset,
offset + sprout::fit_size(
result, sprout::detail::count_n_if(first, NS_SSCRISK_CEL_OR_SPROUT::min<diff_type>(sprout::distance(first, last), sprout::size(result)), pred)
)
);
}
} // namespace detail
//
// partition_copy
//
template<typename InputIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
partition_copy(InputIterator first, InputIterator last, Result const& result, Predicate pred) {
static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
return sprout::fit::detail::partition_copy_impl(first, last, result, pred, sprout::internal_begin_offset(result));
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_PARTITION_COPY_HPP