#ifndef SPROUT_NUMERIC_DFT_FIT_IDFT_HPP #define SPROUT_NUMERIC_DFT_FIT_IDFT_HPP #include #include #include #include #include #include #include #include #include #include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT namespace sprout { namespace fit { namespace detail { template inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm::type idft_impl( ForwardIterator first, ForwardIterator last, Result const& result, typename sprout::container_traits::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 inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm::type idft(ForwardIterator first, ForwardIterator last, Result const& result) { return sprout::fit::detail::idft_impl(first, last, result, sprout::internal_begin_offset(result)); } template inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm::type idft(ForwardIterator first, ForwardIterator last) { return sprout::fit::idft(first, last, sprout::pit()); } } // namespace fit } // namespace sprout #endif // #ifndef SPROUT_NUMERIC_DFT_FIT_IDFT_HPP