mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
44 lines
1.7 KiB
C++
44 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_NUMERIC_FFT_FIT_BITREV_TABLE_HPP
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#define SPROUT_NUMERIC_FFT_FIT_BITREV_TABLE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/numeric/fft/fixed/bitrev_table.hpp>
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#include <sprout/algorithm/fit/results.hpp>
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#include <sprout/sub_array/sub_array.hpp>
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#include <sprout/sub_array/sub.hpp>
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namespace sprout {
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namespace fit {
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namespace detail {
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
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bitrev_table_impl(Container const& cont, typename sprout::container_traits<Container>::difference_type offset) {
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::bitrev_table(cont)),
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offset,
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offset + sprout::size(cont)
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);
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}
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} // namespace detail
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//
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// bitrev_table
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//
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
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bitrev_table(Container const& cont) {
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return sprout::fit::detail::bitrev_table_impl(cont, sprout::internal_begin_offset(cont));
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}
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} // namespace fit
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} // namespace sprout
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#endif // #ifndef SPROUT_NUMERIC_FFT_FIT_BITREV_TABLE_HPP
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