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53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 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_ITERATOR_PHASE_SPECTRUM_ITERATOR_HPP
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#define SPROUT_ITERATOR_PHASE_SPECTRUM_ITERATOR_HPP
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#include <iterator>
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#include <sprout/config.hpp>
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#include <sprout/iterator/transform_iterator.hpp>
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#include <sprout/numeric/dft/phase_spectrum_value.hpp>
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namespace sprout {
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//
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// phase_value
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//
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template<typename T = void>
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class phase_value {
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public:
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typedef typename T::value_type result_type;
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typedef T argument_type;
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public:
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SPROUT_CONSTEXPR typename T::value_type
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operator()(T const& value) const {
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return sprout::phase_spectrum_value(value);
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}
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};
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template<>
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class phase_value<void> {
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public:
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template<typename T>
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SPROUT_CONSTEXPR typename T::value_type
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operator()(T const& value) const {
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return sprout::phase_spectrum_value(value);
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}
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};
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//
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// make_phase_spectrum_iterator
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//
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template<typename Iterator>
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inline SPROUT_CONSTEXPR sprout::transform_iterator<sprout::phase_value<typename std::iterator_traits<Iterator>::value_type>, Iterator>
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make_phase_spectrum_iterator(Iterator it) {
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return sprout::transform_iterator<sprout::phase_value<typename std::iterator_traits<Iterator>::value_type>, Iterator>(
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it, sprout::phase_value<typename std::iterator_traits<Iterator>::value_type>()
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);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_ITERATOR_PHASE_SPECTRUM_ITERATOR_HPP
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