Data Fields

arm_rfft_instance_q31 Struct Reference

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_tpTwiddleAReal
q31_tpTwiddleBReal
arm_cfft_radix4_instance_q31pCfft

Detailed Description

Instance structure for the Q31 RFFT/RIFFT function.

Definition at line 2100 of file arm_math.h.


Field Documentation

length of the real FFT.

Definition at line 2102 of file arm_math.h.

length of the complex FFT.

Definition at line 2103 of file arm_math.h.

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.


The documentation for this struct was generated from the following file:
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