Instance structure for the floating-point CFFT/CIFFT function. More...
#include <arm_math.h>
Public Attributes | |
| uint8_t | bitReverseFlag |
| uint16_t | bitRevFactor |
| uint16_t | fftLen |
| uint8_t | ifftFlag |
| float32_t | onebyfftLen |
| uint16_t * | pBitRevTable |
| float32_t * | pTwiddle |
| uint16_t | twidCoefModifier |
Instance structure for the floating-point CFFT/CIFFT function.
Definition at line 2181 of file arm_math.h.
| uint8_t arm_cfft_radix4_instance_f32::bitReverseFlag |
flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
Definition at line 2185 of file arm_math.h.
| uint16_t arm_cfft_radix4_instance_f32::bitRevFactor |
bit reversal modifier that supports different size FFTs with the same bit reversal table.
Definition at line 2189 of file arm_math.h.
| uint16_t arm_cfft_radix4_instance_f32::fftLen |
length of the FFT.
Definition at line 2183 of file arm_math.h.
| uint8_t arm_cfft_radix4_instance_f32::ifftFlag |
flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
Definition at line 2184 of file arm_math.h.
| float32_t arm_cfft_radix4_instance_f32::onebyfftLen |
value of 1/fftLen.
Definition at line 2190 of file arm_math.h.
| uint16_t* arm_cfft_radix4_instance_f32::pBitRevTable |
points to the bit reversal table.
Definition at line 2187 of file arm_math.h.
| float32_t* arm_cfft_radix4_instance_f32::pTwiddle |
points to the Twiddle factor table.
Definition at line 2186 of file arm_math.h.
| uint16_t arm_cfft_radix4_instance_f32::twidCoefModifier |
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
Definition at line 2188 of file arm_math.h.