arm_cfft_instance_q31 Struct Reference

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

Data Fields

uint16_t fftLen
 
const q31_tpTwiddle
 
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().