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22 lines
590 B
C++
22 lines
590 B
C++
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#ifndef SPROUT_NUMERIC_DFT_AMPLITUDE_SPECTRUM_VALUE_HPP
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#define SPROUT_NUMERIC_DFT_AMPLITUDE_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/sqrt.hpp>
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namespace sprout {
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//
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// amplitude_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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amplitude_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::sqrt(real(x) * real(x) + imag(x) * imag(x));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_NUMERIC_DFT_AMPLITUDE_SPECTRUM_VALUE_HPP
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