Instance structure for the Q15 DCT4/IDCT4 function. More...

#include <arm_math.h>

Collaboration diagram for arm_dct4_instance_q15:

Data Fields
uint16_t	N
	length of the DCT4.
uint16_t	Nby2
	half of the length of the DCT4.
q15_t	normalize
	normalizing factor.
arm_cfft_radix4_instance_q15 *	pCfft
	points to the complex FFT instance.
q15_t *	pCosFactor
	points to the cosFactor table.
arm_rfft_instance_q15 *	pRfft
	points to the real FFT instance.
q15_t *	pTwiddle
	points to the twiddle factor table.

Detailed Description

Instance structure for the Q15 DCT4/IDCT4 function.

Definition at line 2660 of file arm_math.h.

Field Documentation

uint16_t arm_dct4_instance_q15::N

length of the DCT4.

Definition at line 2662 of file arm_math.h.

uint16_t arm_dct4_instance_q15::Nby2

half of the length of the DCT4.

Definition at line 2663 of file arm_math.h.

q15_t arm_dct4_instance_q15::normalize

normalizing factor.

Definition at line 2664 of file arm_math.h.

arm_cfft_radix4_instance_q15* arm_dct4_instance_q15::pCfft

points to the complex FFT instance.

Definition at line 2668 of file arm_math.h.

q15_t* arm_dct4_instance_q15::pCosFactor

points to the cosFactor table.

Definition at line 2666 of file arm_math.h.

arm_rfft_instance_q15* arm_dct4_instance_q15::pRfft

points to the real FFT instance.

Definition at line 2667 of file arm_math.h.

q15_t* arm_dct4_instance_q15::pTwiddle

points to the twiddle factor table.

Definition at line 2665 of file arm_math.h.

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