mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-16 10:49:05 +00:00
49 lines
1.8 KiB
C++
49 lines
1.8 KiB
C++
#ifndef SPROUT_NUMERIC_DFT_FIT_IDFT_HPP
|
|
#define SPROUT_NUMERIC_DFT_FIT_IDFT_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/iterator/distance.hpp>
|
|
#include <sprout/container/traits.hpp>
|
|
#include <sprout/container/functions.hpp>
|
|
#include <sprout/numeric/dft/fixed/idft.hpp>
|
|
#include <sprout/algorithm/fit/result_of.hpp>
|
|
#include <sprout/sub_array/sub_array.hpp>
|
|
#include <sprout/sub_array/sub.hpp>
|
|
#include <sprout/pit/pit.hpp>
|
|
#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
|
|
|
|
namespace sprout {
|
|
namespace fit {
|
|
namespace detail {
|
|
template<typename ForwardIterator, typename Result>
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
|
|
idft_impl(
|
|
ForwardIterator first, ForwardIterator last, Result const& result,
|
|
typename sprout::container_traits<Result>::difference_type offset
|
|
)
|
|
{
|
|
return sprout::sub_copy(
|
|
sprout::get_internal(sprout::fixed::idft(first, last, result)),
|
|
offset,
|
|
offset + NS_SSCRISK_CEL_OR_SPROUT::min(sprout::distance(first, last), sprout::size(result))
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// idft
|
|
//
|
|
template<typename ForwardIterator, typename Result>
|
|
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
|
|
idft(ForwardIterator first, ForwardIterator last, Result const& result) {
|
|
return sprout::fit::detail::idft_impl(first, last, result, sprout::internal_begin_offset(result));
|
|
}
|
|
|
|
template<typename Result, typename ForwardIterator>
|
|
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
|
|
idft(ForwardIterator first, ForwardIterator last) {
|
|
return sprout::fit::idft(first, last, sprout::pit<Result>());
|
|
}
|
|
} // namespace fit
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_NUMERIC_DFT_FIT_IDFT_HPP
|