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arm_dct4_instance_q31 Struct Reference

Instance structure for the Q31 DCT4/IDCT4 function. More...

#include <arm_math.h>

Public Attributes

uint16_t N
 
uint16_t Nby2
 
q31_t normalize
 
arm_cfft_radix4_instance_q31pCfft
 
const q31_tpCosFactor
 
arm_rfft_instance_q31pRfft
 
const q31_tpTwiddle
 

Detailed Description

Instance structure for the Q31 DCT4/IDCT4 function.

Definition at line 2442 of file arm_math.h.

Member Data Documentation

◆ N

uint16_t arm_dct4_instance_q31::N

length of the DCT4.

Definition at line 2444 of file arm_math.h.

◆ Nby2

uint16_t arm_dct4_instance_q31::Nby2

half of the length of the DCT4.

Definition at line 2445 of file arm_math.h.

◆ normalize

q31_t arm_dct4_instance_q31::normalize

normalizing factor.

Definition at line 2446 of file arm_math.h.

◆ pCfft

arm_cfft_radix4_instance_q31* arm_dct4_instance_q31::pCfft

points to the complex FFT instance.

Definition at line 2450 of file arm_math.h.

◆ pCosFactor

const q31_t* arm_dct4_instance_q31::pCosFactor

points to the cosFactor table.

Definition at line 2448 of file arm_math.h.

◆ pRfft

arm_rfft_instance_q31* arm_dct4_instance_q31::pRfft

points to the real FFT instance.

Definition at line 2449 of file arm_math.h.

◆ pTwiddle

const q31_t* arm_dct4_instance_q31::pTwiddle

points to the twiddle factor table.

Definition at line 2447 of file arm_math.h.


The documentation for this struct was generated from the following file:


picovoice_driver
Author(s):
autogenerated on Fri Apr 1 2022 02:15:19