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CMSIS DSP Software Library
 
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arm_rfft_fast_instance_f64 Struct Reference

Instance structure for the Double Precision Floating-point RFFT/RIFFT function. More...

Data Fields

arm_cfft_instance_f64 Sint
 
uint16_t fftLenRFFT
 
const float64_tpTwiddleRFFT
 

Description

Instance structure for the Double Precision Floating-point RFFT/RIFFT function.

Field Documentation

◆ fftLenRFFT

uint16_t fftLenRFFT

length of the real sequence

◆ pTwiddleRFFT

const float64_t* pTwiddleRFFT

Twiddle factors real stage

◆ Sint

Internal CFFT structure.