mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
77 lines
4 KiB
C++
77 lines
4 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2019 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_NUMERIC_FIT_TRANSFORM_INCLUSIVE_SCAN_HPP
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#define SPROUT_NUMERIC_FIT_TRANSFORM_INCLUSIVE_SCAN_HPP
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#include <sprout/config.hpp>
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#include <sprout/iterator/distance.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/numeric/fixed/transform_inclusive_scan.hpp>
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#include <sprout/algorithm/fit/results.hpp>
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#include <sprout/sub_array/sub_array.hpp>
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#include <sprout/sub_array/sub.hpp>
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#include <sprout/iterator/type_traits/category.hpp>
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namespace sprout {
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namespace fit {
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namespace detail {
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template<typename InputIterator, typename Result, typename BinaryOperation, typename UnaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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transform_inclusive_scan_impl(
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InputIterator const& first, InputIterator const& last, Result const& result, BinaryOperation binary_op, UnaryOperation unary_op,
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typename sprout::container_traits<Result>::difference_type offset
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)
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{
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typedef typename std::iterator_traits<InputIterator>::difference_type diff_type;
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::transform_inclusive_scan(first, last, result, binary_op, unary_op)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT::min<diff_type>(sprout::distance(first, last), sprout::size(result))
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);
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}
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} // namespace detail
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//
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// transform_inclusive_scan
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//
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template<typename InputIterator, typename Result, typename BinaryOperation, typename UnaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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transform_inclusive_scan(InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op, UnaryOperation unary_op) {
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static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
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return sprout::fit::detail::transform_inclusive_scan_impl(first, last, result, binary_op, unary_op, sprout::internal_begin_offset(result));
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}
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namespace detail {
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template<typename InputIterator, typename Result, typename BinaryOperation, typename UnaryOperation, typename T>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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transform_inclusive_scan_impl(
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InputIterator const& first, InputIterator const& last, Result const& result, BinaryOperation binary_op, UnaryOperation unary_op, T init,
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typename sprout::container_traits<Result>::difference_type offset
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)
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{
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typedef typename std::iterator_traits<InputIterator>::difference_type diff_type;
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::transform_inclusive_scan(first, last, result, binary_op, unary_op, init)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT::min<diff_type>(sprout::distance(first, last) + 1, sprout::size(result))
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);
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}
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} // namespace detail
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//
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// transform_inclusive_scan
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//
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template<typename InputIterator, typename Result, typename BinaryOperation, typename UnaryOperation, typename T>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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transform_inclusive_scan(InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op, UnaryOperation unary_op, T init) {
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static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
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return sprout::fit::detail::transform_inclusive_scan_impl(first, last, result, binary_op, unary_op, init, sprout::internal_begin_offset(result));
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}
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} // namespace fit
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} // namespace sprout
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#endif // #ifndef SPROUT_NUMERIC_FIT_TRANSFORM_INCLUSIVE_SCAN_HPP
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