Instance structure for the fixed-point CFFT/CIFFT function. More...

#include <arm_math.h>

Data Fields
uint16_t	fftLen
	length of the FFT.
const q31_t *	pTwiddle
	points to the Twiddle factor table.
const uint16_t *	pBitRevTable
	points to the bit reversal table.
uint16_t	bitRevLength
	bit reversal table length.

Detailed Description

Instance structure for the fixed-point CFFT/CIFFT function.

Definition at line 2238 of file arm_math.h.

Field Documentation

bit reversal table length.

Definition at line 2243 of file arm_math.h.

uint16_t fftLen

length of the FFT.

Definition at line 2240 of file arm_math.h.

const uint16_t* pBitRevTable

points to the bit reversal table.

Definition at line 2242 of file arm_math.h.

const q31_t* pTwiddle

points to the Twiddle factor table.

Definition at line 2241 of file arm_math.h.