arm_rfft_fast_instance_f64 Struct Reference

CMSIS-DSP Version 1.9.0

CMSIS DSP Software Library

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

Data Fields
arm_cfft_instance_f64	Sint

uint16_t	fftLenRFFT

const float64_t *	pTwiddleRFFT

Field Documentation

uint16_t fftLenRFFT

length of the real sequence

const float64_t* pTwiddleRFFT

Twiddle factors real stage

arm_cfft_instance_f64 Sint

Internal CFFT structure.

arm_rfft_fast_instance_f64