arm_cfft_instance_q31 Struct Reference

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

Data Fields
uint16_t	fftLen
const q31_t *	pTwiddle
const uint16_t *	pBitRevTable
uint16_t	bitRevLength

Field Documentation

uint16_t arm_cfft_instance_q31::bitRevLength

bit reversal table length.

Referenced by arm_cfft_q31().

uint16_t arm_cfft_instance_q31::fftLen

length of the FFT.

Referenced by arm_cfft_q31().

const uint16_t* arm_cfft_instance_q31::pBitRevTable

points to the bit reversal table.

Referenced by arm_cfft_q31().

const q31_t* arm_cfft_instance_q31::pTwiddle

points to the Twiddle factor table.

Referenced by arm_cfft_q31().