vnl_fft_1d< T > Struct Template Reference

#include <vnl_fft_1d.h>

Inheritance diagram for vnl_fft_1d:

[legend]Collaboration diagram for vnl_fft_1d< T >:

[legend]List of all members.

Public Types
typedef vnl_fft_base< 1, T >	base
Public Methods
	vnl_fft_1d (int N)
void	transform (vnl_vector< vcl_complex< T > > &signal, int dir)
void	fwd_transform (vnl_vector< vcl_complex< T > > &signal)
void	bwd_transform (vnl_vector< vcl_complex< T > > &signal)
unsigned	size () const

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Detailed Description

template<class T>
struct vnl_fft_1d< T >

In-place 1D fast fourier transform.

Definition at line 14 of file vnl_fft_1d.h.

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Member Typedef Documentation

template<class T> typedef vnl_fft_base<1, T> vnl_fft_1d< T >::base

Definition at line 16 of file vnl_fft_1d.h.

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Constructor & Destructor Documentation

template<class T> vnl_fft_1d< T >::vnl_fft_1d (  int    N )  [inline]

constructor takes length of signal. Definition at line 20 of file vnl_fft_1d.h.

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Member Function Documentation

template<class T> void vnl_fft_1d< T >::bwd_transform (  vnl_vector< vcl_complex< T > > &    signal )  [inline]

backward (inverse) FFT. Definition at line 37 of file vnl_fft_1d.h.

template<class T> void vnl_fft_1d< T >::fwd_transform (  vnl_vector< vcl_complex< T > > &    signal )  [inline]

forward FFT. Definition at line 32 of file vnl_fft_1d.h. References vnl_fft_1d< T >::transform().

template<class T> unsigned vnl_fft_1d< T >::size (  void    )  const [inline]

return length of signal. Definition at line 42 of file vnl_fft_1d.h.

template<class T> void vnl_fft_1d< T >::transform (  vnl_vector< vcl_complex< T > > &    signal, int    dir )  [inline]

dir = +1/-1 according to direction of transform. Definition at line 27 of file vnl_fft_1d.h. Referenced by vnl_fft_1d< T >::fwd_transform().

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The documentation for this struct was generated from the following file:

• vnl_fft_1d.h

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