mirror of
https://github.com/bolero-MURAKAMI/Sprout
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46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#ifndef SPROUT_FUNCTIONAL_DFT_FIT_IDFT_HPP
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#define SPROUT_FUNCTIONAL_DFT_FIT_IDFT_HPP
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#include <sprout/config.hpp>
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#include <sprout/fixed_container/traits.hpp>
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#include <sprout/fixed_container/functions.hpp>
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#include <sprout/functional/dft/fixed/idft.hpp>
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#include <sprout/algorithm/fit/result_of.hpp>
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#include <sprout/sub_array.hpp>
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#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT_DETAIL
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#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
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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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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type idft_impl(
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InputIterator first,
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InputIterator last,
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Result const& result,
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typename sprout::fixed_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_fixed(sprout::fixed::idft(first, last, result)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(NS_SSCRISK_CEL_OR_SPROUT_DETAIL::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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// idft
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//
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template<typename InputIterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type idft(
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InputIterator first,
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InputIterator last,
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Result const& result
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)
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{
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return sprout::fit::detail::idft_impl(first, last, result, sprout::fixed_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_FUNCTIONAL_DFT_FIT_IDFT_HPP
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