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https://github.com/bolero-MURAKAMI/Sprout.git
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68 lines
2.9 KiB
C++
68 lines
2.9 KiB
C++
#ifndef SPROUT_ALGORITHM_FIT_TRANSFORM_HPP
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#define SPROUT_ALGORITHM_FIT_TRANSFORM_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/algorithm/fixed/transform.hpp>
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#include <sprout/algorithm/fit/result_of.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/is_iterator.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 UnaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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transform_impl(
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InputIterator first, InputIterator last, Result const& result, UnaryOperation 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::transform(first, last, result, op)),
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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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// transform
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//
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template<typename InputIterator, typename Result, typename UnaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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transform(InputIterator first, InputIterator last, Result const& result, UnaryOperation 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_impl(first, last, result, op, sprout::internal_begin_offset(result));
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}
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namespace detail {
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template<typename InputIterator1, typename InputIterator2, typename Result, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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transform_impl(
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InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, Result const& result, BinaryOperation 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::transform(first1, last1, first2, result, op)),
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offset,
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offset + sprout::fit_size(result, sprout::distance(first1, last1))
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);
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}
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} // namespace detail
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//
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// transform
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//
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template<typename InputIterator1, typename InputIterator2, typename Result, typename BinaryOperation>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, Result const& result, BinaryOperation op) {
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static_assert(sprout::is_forward_iterator<InputIterator1>::value, "Sorry, not implemented.");
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return sprout::fit::detail::transform_impl(first1, last1, first2, result, 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_ALGORITHM_FIT_TRANSFORM_HPP
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