Instance structure for the floating-point RFFT/RIFFT function. More...
#include <arm_math.h>
Data Fields | |
uint32_t | fftLenReal |
uint16_t | fftLenBy2 |
uint8_t | ifftFlagR |
uint8_t | bitReverseFlagR |
uint32_t | twidCoefRModifier |
float32_t * | pTwiddleAReal |
float32_t * | pTwiddleBReal |
arm_cfft_radix4_instance_f32 * | pCfft |
Instance structure for the floating-point RFFT/RIFFT function.
Definition at line 2188 of file arm_math.h.
uint32_t arm_rfft_instance_f32::fftLenReal |
length of the real FFT.
Definition at line 2190 of file arm_math.h.
uint16_t arm_rfft_instance_f32::fftLenBy2 |
length of the complex FFT.
Definition at line 2191 of file arm_math.h.
uint8_t arm_rfft_instance_f32::ifftFlagR |
flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.
Definition at line 2192 of file arm_math.h.
flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output.
Definition at line 2193 of file arm_math.h.
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
Definition at line 2194 of file arm_math.h.
points to the real twiddle factor table.
Definition at line 2195 of file arm_math.h.
points to the imag twiddle factor table.
Definition at line 2196 of file arm_math.h.
points to the complex FFT instance.
Definition at line 2197 of file arm_math.h.