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https://github.com/bolero-MURAKAMI/Sprout.git
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aa96f9ce73
sprout/numeric/fixed/partial_sum.hpp 修正 sprout/numeric/fixed/adjacent_difference.hpp 修正
176 lines
6.8 KiB
C++
176 lines
6.8 KiB
C++
#ifndef SPROUT_NUMERIC_FIXED_ADJACENT_DIFFERENCE_HPP
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#define SPROUT_NUMERIC_FIXED_ADJACENT_DIFFERENCE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/fixed_container/traits.hpp>
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#include <sprout/fixed_container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename InputIterator, typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl_1(
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InputIterator first,
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InputIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::size_type size,
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typename sprout::fixed_container_traits<Result>::value_type const& value,
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Args const&... args
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)
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{
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return sprout::remake_clone<Result>(result, sprout::size(result), args...);
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}
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template<typename InputIterator, typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl_1(
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InputIterator first,
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InputIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::size_type size,
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typename sprout::fixed_container_traits<Result>::value_type const& value,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < size
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? adjacent_difference_impl_1(sprout::next(first), last, result, size, *first, args..., *first - value)
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: sprout::detail::container_complate(result, args...)
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;
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}
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template<typename InputIterator, typename Result>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == 0,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl(
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InputIterator first,
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InputIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::size_type size
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)
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{
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return sprout::remake_clone<Result>(result, sprout::size(result));
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}
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template<typename InputIterator, typename Result>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != 0,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl_1(
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InputIterator first,
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InputIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::size_type size
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)
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{
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return first != last
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? adjacent_difference_impl_1(sprout::next(first), last, result, size, *first, *first)
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: sprout::detail::container_complate(result)
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;
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}
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} // namespace detail
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//
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// adjacent_difference
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//
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template<typename InputIterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type adjacent_difference(
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InputIterator first,
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InputIterator last,
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Result const& result
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)
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{
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return sprout::fixed::detail::adjacent_difference_impl(first, last, result, sprout::size(result));
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}
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namespace detail {
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template<typename InputIterator, typename Result, typename BinaryOperation, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl_1(
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InputIterator first,
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InputIterator last,
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Result const& result,
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BinaryOperation binary_op,
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typename sprout::fixed_container_traits<Result>::size_type size,
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typename sprout::fixed_container_traits<Result>::value_type const& value,
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Args const&... args
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)
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{
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return sprout::remake_clone<Result>(result, sprout::size(result), args...);
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}
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template<typename InputIterator, typename Result, typename BinaryOperation, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl_1(
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InputIterator first,
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InputIterator last,
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Result const& result,
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BinaryOperation binary_op,
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typename sprout::fixed_container_traits<Result>::size_type size,
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typename sprout::fixed_container_traits<Result>::value_type const& value,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < size
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? adjacent_difference_impl_1(sprout::next(first), last, result, binary_op, size, *first, args..., binary_op(*first, value))
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: sprout::detail::container_complate(result, args...)
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;
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}
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template<typename InputIterator, typename Result, typename BinaryOperation>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == 0,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl(
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InputIterator first,
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InputIterator last,
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Result const& result,
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BinaryOperation binary_op,
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typename sprout::fixed_container_traits<Result>::size_type size
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)
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{
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return sprout::remake_clone<Result>(result, sprout::size(result));
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}
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template<typename InputIterator, typename Result, typename BinaryOperation>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != 0,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type adjacent_difference_impl_1(
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InputIterator first,
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InputIterator last,
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Result const& result,
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BinaryOperation binary_op,
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typename sprout::fixed_container_traits<Result>::size_type size
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)
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{
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return first != last
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? adjacent_difference_impl_1(sprout::next(first), last, result, binary_op, size, *first, *first)
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: sprout::detail::container_complate(result)
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;
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}
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} // namespace detail
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//
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// adjacent_difference
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//
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template<typename InputIterator, typename Result, typename BinaryOperation>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type adjacent_difference(
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InputIterator first,
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InputIterator last,
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Result const& result,
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BinaryOperation binary_op
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)
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{
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return sprout::fixed::detail::adjacent_difference_impl(first, last, result, binary_op, sprout::size(result));
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}
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} // namespace fixed
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using sprout::fixed::adjacent_difference;
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} // namespace sprout
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#endif // #ifndef SPROUT_NUMERIC_FIXED_ADJACENT_DIFFERENCE_HPP
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