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arm_cfft_instance_f64 Struct Reference

Instance structure for the Double Precision Floating-point CFFT/CIFFT function.

Data Fields

uint16_t fftLen
const float64_tpTwiddle
const uint16_t * pBitRevTable
uint16_t bitRevLength

Field Documentation

uint16_t bitRevLength

bit reversal table length.

uint16_t fftLen

length of the FFT.

const uint16_t* pBitRevTable

points to the bit reversal table.

const float64_t* pTwiddle

points to the Twiddle factor table.