NMSIS-DSP  Version 1.2.0
NMSIS DSP Software Library
riscv_cfft_instance_q15 Struct Reference

Instance structure for the fixed-point CFFT/CIFFT function. More...

Data Fields

uint16_t fftLen
 
const q15_t * pTwiddle
 
const uint16_t * pBitRevTable
 
uint16_t bitRevLength
 

Detailed Description

Instance structure for the fixed-point CFFT/CIFFT function.

Field Documentation

◆ bitRevLength

uint16_t riscv_cfft_instance_q15::bitRevLength

bit reversal table length.

◆ fftLen

uint16_t riscv_cfft_instance_q15::fftLen

length of the FFT.

◆ pBitRevTable

const uint16_t* riscv_cfft_instance_q15::pBitRevTable

points to the bit reversal table.

◆ pTwiddle

const q15_t* riscv_cfft_instance_q15::pTwiddle

points to the Twiddle factor table.