2013-08-08 09:54:33 +00:00
|
|
|
/*=============================================================================
|
2014-01-08 07:48:12 +00:00
|
|
|
Copyright (c) 2011-2014 Bolero MURAKAMI
|
2013-08-08 09:54:33 +00:00
|
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
|
|
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
|
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
|
=============================================================================*/
|
2012-12-03 12:48:50 +00:00
|
|
|
#ifndef SPROUT_NUMERIC_DFT_PHASE_SPECTRUM_VALUE_HPP
|
|
|
|
|
#define SPROUT_NUMERIC_DFT_PHASE_SPECTRUM_VALUE_HPP
|
|
|
|
|
|
|
|
|
|
#include <sprout/config.hpp>
|
|
|
|
|
#include <sprout/complex.hpp>
|
|
|
|
|
#include <sprout/math/atan2.hpp>
|
|
|
|
|
#include <sprout/math/llround.hpp>
|
|
|
|
|
|
|
|
|
|
namespace sprout {
|
|
|
|
|
//
|
|
|
|
|
// phase_spectrum_value
|
|
|
|
|
//
|
|
|
|
|
template<typename T>
|
|
|
|
|
inline SPROUT_CONSTEXPR typename T::value_type
|
|
|
|
|
phase_spectrum_value(T const& x) {
|
|
|
|
|
using sprout::real;
|
|
|
|
|
using sprout::imag;
|
|
|
|
|
return sprout::atan2(sprout::llround(imag(x)), sprout::llround(real(x)));
|
|
|
|
|
}
|
|
|
|
|
} // namespace sprout
|
|
|
|
|
|
|
|
|
|
#endif // #ifndef SPROUT_NUMERIC_DFT_PHASE_SPECTRUM_VALUE_HPP
|
