Instance structure for the Q31 RFFT/RIFFT function. More...
#include <arm_math.h>
Data Fields | |
uint32_t | fftLenReal |
uint32_t | fftLenBy2 |
uint8_t | ifftFlagR |
uint8_t | bitReverseFlagR |
uint32_t | twidCoefRModifier |
q31_t * | pTwiddleAReal |
q31_t * | pTwiddleBReal |
arm_cfft_radix4_instance_q31 * | pCfft |
Instance structure for the Q31 RFFT/RIFFT function.
Definition at line 2100 of file arm_math.h.
uint32_t arm_rfft_instance_q31::fftLenReal |
length of the real FFT.
Definition at line 2102 of file arm_math.h.
uint32_t arm_rfft_instance_q31::fftLenBy2 |
length of the complex FFT.
Definition at line 2103 of file arm_math.h.
uint8_t arm_rfft_instance_q31::ifftFlagR |
flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.
Definition at line 2104 of file arm_math.h.
flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output.
Definition at line 2105 of file arm_math.h.
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
Definition at line 2106 of file arm_math.h.
points to the real twiddle factor table.
Definition at line 2107 of file arm_math.h.
points to the imag twiddle factor table.
Definition at line 2108 of file arm_math.h.
points to the complex FFT instance.
Definition at line 2109 of file arm_math.h.