Eigen::internal::kiss_cpx_fft< _Scalar > Struct Template Reference

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Detailed Description

template<typename _Scalar>
struct Eigen::internal::kiss_cpx_fft< _Scalar >

Definition at line 32 of file FFT.

List of all members.

Public Types
typedef _Scalar	Scalar
typedef std::complex< Scalar >	Complex
Public Member Functions
void	make_twiddles (int nfft, bool inverse)
void	factorize (int nfft)
template<typename _Src >
void	work (int stage, Complex *xout, const _Src *xin, size_t fstride, size_t in_stride)
void	bfly2 (Complex *Fout, const size_t fstride, int m)
void	bfly4 (Complex *Fout, const size_t fstride, const size_t m)
void	bfly3 (Complex *Fout, const size_t fstride, const size_t m)
void	bfly5 (Complex *Fout, const size_t fstride, const size_t m)
void	bfly_generic (Complex *Fout, const size_t fstride, int m, int p)
Public Attributes
std::vector< Complex >	m_twiddles
std::vector< int >	m_stageRadix
std::vector< int >	m_stageRemainder
std::vector< Complex >	m_scratchBuf
bool	m_inverse

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Member Typedef Documentation

template<typename _Scalar >

typedef std::complex<Scalar> Eigen::internal::kiss_cpx_fft< _Scalar >::Complex

Definition at line 35 of file FFT.

template<typename _Scalar >

typedef _Scalar Eigen::internal::kiss_cpx_fft< _Scalar >::Scalar

Definition at line 34 of file FFT.

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Member Function Documentation

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::bfly2	(	Complex *	Fout,
		const size_t	fstride,
		int	m
	)		[inline]

Definition at line 112 of file FFT.

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::bfly3	(	Complex *	Fout,
		const size_t	fstride,
		const size_t	m
	)		[inline]

Definition at line 145 of file FFT.

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::bfly4	(	Complex *	Fout,
		const size_t	fstride,
		const size_t	m
	)		[inline]

Definition at line 122 of file FFT.

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::bfly5	(	Complex *	Fout,
		const size_t	fstride,
		const size_t	m
	)		[inline]

Definition at line 174 of file FFT.

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::bfly_generic	(	Complex *	Fout,
		const size_t	fstride,
		int	m,
		int	p
	)		[inline]

Definition at line 241 of file FFT.

References Eigen::FFT< T_Scalar, T_Impl >::fwd(), and Eigen::PlainObjectBase< Matrix< _Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols > >::setZero().

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::factorize

(

int

nfft

)

[inline]

Definition at line 52 of file FFT.

template<typename _Scalar >

void Eigen::internal::kiss_cpx_fft< _Scalar >::make_twiddles	(	int	nfft,
		bool	inverse
	)		[inline]

Definition at line 43 of file FFT.

template<typename _Scalar >

template<typename _Src >

void Eigen::internal::kiss_cpx_fft< _Scalar >::work	(	int	stage,
		Complex *	xout,
		const _Src *	xin,
		size_t	fstride,
		size_t	in_stride
	)		[inline]

Definition at line 77 of file FFT.

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Member Data Documentation

template<typename _Scalar >

bool Eigen::internal::kiss_cpx_fft< _Scalar >::m_inverse

Definition at line 40 of file FFT.

template<typename _Scalar >

std::vector<Complex> Eigen::internal::kiss_cpx_fft< _Scalar >::m_scratchBuf

Definition at line 39 of file FFT.

template<typename _Scalar >

std::vector<int> Eigen::internal::kiss_cpx_fft< _Scalar >::m_stageRadix

Definition at line 37 of file FFT.

template<typename _Scalar >

std::vector<int> Eigen::internal::kiss_cpx_fft< _Scalar >::m_stageRemainder

Definition at line 38 of file FFT.

template<typename _Scalar >

std::vector<Complex> Eigen::internal::kiss_cpx_fft< _Scalar >::m_twiddles

Definition at line 36 of file FFT.