mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
75 lines
3.3 KiB
C++
75 lines
3.3 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2015 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_ADJACENT_DIFFERENCE_HPP
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#define SPROUT_NUMERIC_FIT_ADJACENT_DIFFERENCE_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/adjacent_difference.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>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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adjacent_difference_impl(
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InputIterator first, InputIterator last, Result const& result,
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typename sprout::container_traits<Result>::difference_type offset
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)
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{
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::adjacent_difference(first, last, result)),
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offset,
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offset + sprout::fit_size(result, sprout::distance(first, last))
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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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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, Result const& result) {
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static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
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return sprout::fit::detail::adjacent_difference_impl(first, last, result, 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>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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adjacent_difference_impl(
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InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_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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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::adjacent_difference(first, last, result, binary_op)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT::min(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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// adjacent_difference
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//
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template<typename InputIterator, typename Result, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Result>::type
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adjacent_difference(InputIterator first, InputIterator last, Result const& result, BinaryOperation binary_op) {
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static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
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return sprout::fit::detail::adjacent_difference_impl(first, last, result, binary_op, 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_ADJACENT_DIFFERENCE_HPP
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