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29 lines
1 KiB
C++
29 lines
1 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2015 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_DFT_PHASE_SPECTRUM_VALUE_HPP
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#define SPROUT_NUMERIC_DFT_PHASE_SPECTRUM_VALUE_HPP
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#include <sprout/config.hpp>
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#include <sprout/complex.hpp>
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#include <sprout/math/atan2.hpp>
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#include <sprout/math/llround.hpp>
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namespace sprout {
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//
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// phase_spectrum_value
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//
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template<typename T>
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inline SPROUT_CONSTEXPR typename T::value_type
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phase_spectrum_value(T const& x) {
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using sprout::real;
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using sprout::imag;
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return sprout::atan2(sprout::llround(imag(x)), sprout::llround(real(x)));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_NUMERIC_DFT_PHASE_SPECTRUM_VALUE_HPP
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