2013-08-08 09:54:33 +00:00
|
|
|
/*=============================================================================
|
|
|
|
|
Copyright (c) 2011-2013 Bolero MURAKAMI
|
|
|
|
|
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_AMPLITUDE_SPECTRUM_VALUE_HPP
|
|
|
|
|
#define SPROUT_NUMERIC_DFT_AMPLITUDE_SPECTRUM_VALUE_HPP
|
|
|
|
|
|
|
|
|
|
#include <sprout/config.hpp>
|
|
|
|
|
#include <sprout/complex.hpp>
|
|
|
|
|
#include <sprout/math/sqrt.hpp>
|
|
|
|
|
|
|
|
|
|
namespace sprout {
|
|
|
|
|
//
|
|
|
|
|
// amplitude_spectrum_value
|
|
|
|
|
//
|
|
|
|
|
template<typename T>
|
|
|
|
|
inline SPROUT_CONSTEXPR typename T::value_type
|
|
|
|
|
amplitude_spectrum_value(T const& x) {
|
|
|
|
|
using sprout::real;
|
|
|
|
|
using sprout::imag;
|
|
|
|
|
return sprout::sqrt(real(x) * real(x) + imag(x) * imag(x));
|
|
|
|
|
}
|
|
|
|
|
} // namespace sprout
|
|
|
|
|
|
|
|
|
|
#endif // #ifndef SPROUT_NUMERIC_DFT_AMPLITUDE_SPECTRUM_VALUE_HPP
|
