CMSIS-DSP: arm_rfft_fast_instance_f32 Struct Reference

| CMSIS-DSP Version 1.7.0 CMSIS DSP Software Library

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arm_rfft_fast_instance_f32 Struct Reference

Instance structure for the floating-point RFFT/RIFFT function.

## Data Fields
arm_cfft_instance_f32 | Sint
uint16_t | fftLenRFFT
const float32_t * | pTwiddleRFFT

## Field Documentation

uint16_t arm_rfft_fast_instance_f32::fftLenRFFT

length of the real sequence

const float32_t* arm_rfft_fast_instance_f32::pTwiddleRFFT

Twiddle factors real stage

arm_cfft_instance_f32 arm_rfft_fast_instance_f32::Sint

Internal CFFT structure.