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

#include <arm_math.h>

Collaboration diagram for arm_dct4_instance_q31:

Data Fields
uint16_t	N
	length of the DCT4.
uint16_t	Nby2
	half of the length of the DCT4.
q31_t	normalize
	normalizing factor.
arm_cfft_radix4_instance_q31 *	pCfft
	points to the complex FFT instance.
q31_t *	pCosFactor
	points to the cosFactor table.
arm_rfft_instance_q31 *	pRfft
	points to the real FFT instance.
q31_t *	pTwiddle
	points to the twiddle factor table.

Detailed Description

Instance structure for the Q31 DCT4/IDCT4 function.

Definition at line 2613 of file arm_math.h.

Field Documentation

uint16_t arm_dct4_instance_q31::N

length of the DCT4.

Definition at line 2615 of file arm_math.h.

uint16_t arm_dct4_instance_q31::Nby2

half of the length of the DCT4.

Definition at line 2616 of file arm_math.h.

q31_t arm_dct4_instance_q31::normalize

normalizing factor.

Definition at line 2617 of file arm_math.h.

arm_cfft_radix4_instance_q31* arm_dct4_instance_q31::pCfft

points to the complex FFT instance.

Definition at line 2621 of file arm_math.h.

q31_t* arm_dct4_instance_q31::pCosFactor

points to the cosFactor table.

Definition at line 2619 of file arm_math.h.

arm_rfft_instance_q31* arm_dct4_instance_q31::pRfft

points to the real FFT instance.

Definition at line 2620 of file arm_math.h.

q31_t* arm_dct4_instance_q31::pTwiddle

points to the twiddle factor table.

Definition at line 2618 of file arm_math.h.

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