CFFT< T > Class Template Reference

One-dimensional complex fast Fourier transform. More...

#include <FFT.h>

List of all members.

Public Member Functions
	CFFT (int size=0)
int	size () const
	Get size of transform.
void	forward (T *buf, bool normalize=true)
	Perform forward transform in-place.
void	inverse (T *buf)
	Perform inverse transform in-place.
void	resize (int n)
	Set size of transform.

---

Detailed Description

template<class T>
class gam::CFFT< T >

One-dimensional complex fast Fourier transform.

The complex sequence format for forward and inverse transforms is [r0, i0, r1, i1, ... , r(n-1), i(n-1)]

---

Constructor & Destructor Documentation

CFFT

(

int

size = 0

)

Parameters:

[in]

size

size of complex input sequence; most efficient when a product of small primes

---

Member Function Documentation

void forward	(	T *	buf,
		bool	normalize = true
	)

Perform forward transform in-place.

Parameters:

[in,out]	buf	input/output buffer
[in]	normalize	whether to scale magnitudes by 1/N

---

The documentation for this class was generated from the following files:

• /Users/ljp/code/gamma/trunk/Gamma/FFT.h
• /Users/ljp/code/gamma/trunk/src/FFT_fftpack.cpp