mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
#ifndef SPROUT_ALGORITHM_FIXED_TRANSFORM_HPP
|
|
#define SPROUT_ALGORITHM_FIXED_TRANSFORM_HPP
|
|
|
|
#include <cstddef>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/index_tuple.hpp>
|
|
#include <sprout/fixed_container/traits.hpp>
|
|
#include <sprout/fixed_container/functions.hpp>
|
|
#include <sprout/algorithm/fixed/result_of.hpp>
|
|
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
|
|
|
|
namespace sprout {
|
|
namespace fixed {
|
|
namespace detail {
|
|
template<typename Iterator, typename Result, std::ptrdiff_t... Indexes, typename UnaryOperation>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform_impl(
|
|
Iterator first,
|
|
Iterator last,
|
|
Result const& result,
|
|
sprout::index_tuple<Indexes...>,
|
|
UnaryOperation op,
|
|
typename sprout::fixed_container_traits<Result>::difference_type offset,
|
|
typename sprout::fixed_container_traits<Result>::size_type size,
|
|
typename sprout::fixed_container_traits<Result>::size_type input_size
|
|
)
|
|
{
|
|
return sprout::remake_clone<Result, Result>(
|
|
result,
|
|
sprout::size(result),
|
|
(Indexes >= offset && Indexes < offset + size && Indexes < offset + input_size
|
|
? op(*(first + Indexes - offset))
|
|
: *(sprout::fixed_begin(result) + Indexes)
|
|
)...
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// transform
|
|
//
|
|
template<typename Iterator, typename Result, typename UnaryOperation>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform(
|
|
Iterator first,
|
|
Iterator last,
|
|
Result const& result,
|
|
UnaryOperation op
|
|
)
|
|
{
|
|
return sprout::fixed::detail::transform_impl(
|
|
first,
|
|
last,
|
|
result,
|
|
typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
|
|
op,
|
|
sprout::fixed_begin_offset(result),
|
|
sprout::size(result),
|
|
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
|
|
);
|
|
}
|
|
|
|
namespace detail {
|
|
template<typename Iterator1, typename Iterator2, typename Result, std::ptrdiff_t... Indexes, typename BinaryOperation>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform_impl(
|
|
Iterator1 first1,
|
|
Iterator1 last1,
|
|
Iterator2 first2,
|
|
Result const& result,
|
|
sprout::index_tuple<Indexes...>,
|
|
BinaryOperation op,
|
|
typename sprout::fixed_container_traits<Result>::difference_type offset,
|
|
typename sprout::fixed_container_traits<Result>::size_type size,
|
|
typename sprout::fixed_container_traits<Result>::size_type input_size
|
|
)
|
|
{
|
|
return sprout::remake_clone<Result, Result>(
|
|
result,
|
|
sprout::size(result),
|
|
(Indexes >= offset && Indexes < offset + size && Indexes < offset + input_size
|
|
? op(*(first1 + Indexes - offset), *(first2 + Indexes - offset))
|
|
: *(sprout::fixed_begin(result) + Indexes)
|
|
)...
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// transform
|
|
//
|
|
template<typename Iterator1, typename Iterator2, typename Result, typename BinaryOperation>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type transform(
|
|
Iterator1 first1,
|
|
Iterator1 last1,
|
|
Iterator2 first2,
|
|
Result const& result,
|
|
BinaryOperation op
|
|
)
|
|
{
|
|
return sprout::fixed::detail::transform_impl(
|
|
first1,
|
|
last1,
|
|
first2,
|
|
result,
|
|
typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
|
|
op,
|
|
sprout::fixed_begin_offset(result),
|
|
sprout::size(result),
|
|
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first1, last1)
|
|
);
|
|
}
|
|
} // namespace fixed
|
|
|
|
using sprout::fixed::transform;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_ALGORITHM_FIXED_TRANSFORM_HPP
|