NMSIS-DSP  Version 1.2.0
NMSIS DSP Software Library
riscv_rfft_fast_instance_f64 Struct Reference

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

Data Fields

riscv_cfft_instance_f64 Sint
 
uint16_t fftLenRFFT
 
const float64_t * pTwiddleRFFT
 

Detailed Description

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

Field Documentation

◆ fftLenRFFT

uint16_t riscv_rfft_fast_instance_f64::fftLenRFFT

length of the real sequence

◆ pTwiddleRFFT

const float64_t* riscv_rfft_fast_instance_f64::pTwiddleRFFT

Twiddle factors real stage

◆ Sint

riscv_cfft_instance_f64 riscv_rfft_fast_instance_f64::Sint

Internal CFFT structure.