King_DuckZ/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout synced 2025-08-03 12:49:50 +00:00
Code Issues Releases Wiki Activity

sprout/functional/dft.hpp 追加

Browse source 
sprout/complex.hpp 修正
This commit is contained in:
bolero-MURAKAMI 2012-02-25 23:59:46 +09:00
parent aa96f9ce73
commit 10c73ea3e3
17 changed files with 453 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

72
sprout/functional/dft/fixed/dft.hpp Normal file
View file

@ -0,0 +1,72 @@
#ifndef SPROUT_FUNCTIONAL_DFT_FIXED_DFT_HPP
#define SPROUT_FUNCTIONAL_DFT_FIXED_DFT_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/iterator/operation.hpp>
#include <sprout/algorithm/fixed/result_of.hpp>
#include <sprout/functional/dft/dft_element.hpp>
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
namespace fixed {
namespace detail {
template<typename InputIterator, typename Result, std::ptrdiff_t... Indexes>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type dft_impl(
InputIterator first,
InputIterator last,
Result const& result,
sprout::index_tuple<Indexes...>,
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,
sprout::size(result),
(Indexes >= offset && Indexes < offset + size && Indexes < offset + input_size
? sprout::detail::dft_element_impl(first, last, Indexes - offset, input_size)
: *sprout::next(sprout::fixed_begin(result), Indexes)
)...
);
}
template<typename InputIterator, typename Result>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type dft(
InputIterator first,
InputIterator last,
Result const& result
)
{
return sprout::fixed::detail::dft_impl(
first,
last,
result,
typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
sprout::fixed_begin_offset(result),
sprout::size(result),
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
);
}
} // namespace detail
//
// dft
//
template<typename InputIterator, typename Result>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type dft(
InputIterator first,
InputIterator last,
Result const& result
)
{
return sprout::fixed::detail::dft(first, last, result);
}
} // namespace fixed
using sprout::fixed::dft;
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_DFT_FIXED_DFT_HPP