arm_cfft_instance_f32 Struct Reference

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

Data Fields

uint16_t fftLen
 
const float32_tpTwiddle
 
const uint16_t * pBitRevTable
 
uint16_t bitRevLength
 

Field Documentation

uint16_t arm_cfft_instance_f32::bitRevLength

bit reversal table length.

Referenced by arm_cfft_f32(), and arm_rfft_fast_init_f32().

uint16_t arm_cfft_instance_f32::fftLen
const uint16_t* arm_cfft_instance_f32::pBitRevTable

points to the bit reversal table.

Referenced by arm_cfft_f32(), and arm_rfft_fast_init_f32().

const float32_t* arm_cfft_instance_f32::pTwiddle

points to the Twiddle factor table.

Referenced by arm_cfft_f32(), arm_cfft_radix8by2_f32(), arm_cfft_radix8by4_f32(), and arm_rfft_fast_init_f32().