mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
75 lines
3.1 KiB
C++
75 lines
3.1 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2015 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_NUMERIC_FIT_PARTIAL_SUM_HPP
|
|
#define SPROUT_NUMERIC_FIT_PARTIAL_SUM_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/iterator/distance.hpp>
|
|
#include <sprout/container/traits.hpp>
|
|
#include <sprout/container/functions.hpp>
|
|
#include <sprout/numeric/fixed/partial_sum.hpp>
|
|
#include <sprout/algorithm/fit/results.hpp>
|
|
#include <sprout/sub_array/sub_array.hpp>
|
|
#include <sprout/sub_array/sub.hpp>
|
|
#include <sprout/iterator/type_traits/category.hpp>
|
|
|
|
namespace sprout {
|
|
namespace fit {
|
|
namespace detail {
|
|
template<typename InputIterator, typename Result>
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
|
|
partial_sum_impl(
|
|
InputIterator first, InputIterator last, Result const& result,
|
|
typename sprout::container_traits<Result>::difference_type offset
|
|
)
|
|
{
|
|
return sprout::sub_copy(
|
|
sprout::get_internal(sprout::fixed::partial_sum(first, last, result)),
|
|
offset,
|
|
offset + sprout::fit_size(result, sprout::distance(first, last))
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// partial_sum
|
|
//
|
|
template<typename InputIterator, typename Result>
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
|
|
partial_sum(InputIterator first, InputIterator last, Result const& result) {
|
|
static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
|
|
return sprout::fit::detail::partial_sum_impl(first, last, result, sprout::internal_begin_offset(result));
|
|
}
|
|
|
|
namespace detail {
|
|
template<typename InputIterator, typename Result, typename BinaryOperation>
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
|
|
partial_sum_impl(
|
|
InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op,
|
|
typename sprout::container_traits<Result>::difference_type offset
|
|
)
|
|
{
|
|
return sprout::sub_copy(
|
|
sprout::get_internal(sprout::fixed::partial_sum(first, last, result, binary_op)),
|
|
offset,
|
|
offset + NS_SSCRISK_CEL_OR_SPROUT::min(sprout::distance(first, last), sprout::size(result))
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// partial_sum
|
|
//
|
|
template<typename InputIterator, typename Result, typename BinaryOperation>
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
|
|
partial_sum(InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op) {
|
|
static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
|
|
return sprout::fit::detail::partial_sum_impl(first, last, result, binary_op, sprout::internal_begin_offset(result));
|
|
}
|
|
} // namespace fit
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_NUMERIC_FIT_PARTIAL_SUM_HPP
|