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arm_rfft_fast_instance_f64 Struct Reference

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

Data Fields

arm_cfft_instance_f64 Sint
 
uint16_t fftLenRFFT
 
const float64_tpTwiddleRFFT
 

Field Documentation

uint16_t arm_rfft_fast_instance_f64::fftLenRFFT

length of the real sequence

const float64_t* arm_rfft_fast_instance_f64::pTwiddleRFFT

Twiddle factors real stage

arm_cfft_instance_f64 arm_rfft_fast_instance_f64::Sint

Internal CFFT structure.