Instance structure for the floating-point RFFT/RIFFT function. More...
#include <arm_math.h>
Public Attributes | |
| uint8_t | bitReverseFlagR |
| uint16_t | fftLenBy2 |
| uint32_t | fftLenReal |
| uint8_t | ifftFlagR |
| arm_cfft_radix4_instance_f32 * | pCfft |
| float32_t * | pTwiddleAReal |
| float32_t * | pTwiddleBReal |
| uint32_t | twidCoefRModifier |
Instance structure for the floating-point RFFT/RIFFT function.
Definition at line 2315 of file arm_math.h.
| uint8_t arm_rfft_instance_f32::bitReverseFlagR |
flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output.
Definition at line 2320 of file arm_math.h.
| uint16_t arm_rfft_instance_f32::fftLenBy2 |
length of the complex FFT.
Definition at line 2318 of file arm_math.h.
| uint32_t arm_rfft_instance_f32::fftLenReal |
length of the real FFT.
Definition at line 2317 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 2319 of file arm_math.h.
| arm_cfft_radix4_instance_f32* arm_rfft_instance_f32::pCfft |
points to the complex FFT instance.
Definition at line 2324 of file arm_math.h.
| float32_t* arm_rfft_instance_f32::pTwiddleAReal |
points to the real twiddle factor table.
Definition at line 2322 of file arm_math.h.
| float32_t* arm_rfft_instance_f32::pTwiddleBReal |
points to the imag twiddle factor table.
Definition at line 2323 of file arm_math.h.
| uint32_t arm_rfft_instance_f32::twidCoefRModifier |
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
Definition at line 2321 of file arm_math.h.