Instance structure for the floating-point DCT4/IDCT4 function. More...

#include <arm_math.h>

Collaboration diagram for arm_dct4_instance_f32:

Data Fields
uint16_t	N
	length of the DCT4.
uint16_t	Nby2
	half of the length of the DCT4.
float32_t	normalize
	normalizing factor.
arm_cfft_radix4_instance_f32 *	pCfft
	points to the complex FFT instance.
float32_t *	pCosFactor
	points to the cosFactor table.
arm_rfft_instance_f32 *	pRfft
	points to the real FFT instance.
float32_t *	pTwiddle
	points to the twiddle factor table.

Detailed Description

Instance structure for the floating-point DCT4/IDCT4 function.

Definition at line 2566 of file arm_math.h.

Field Documentation

uint16_t arm_dct4_instance_f32::N

length of the DCT4.

Definition at line 2568 of file arm_math.h.

uint16_t arm_dct4_instance_f32::Nby2

half of the length of the DCT4.

Definition at line 2569 of file arm_math.h.

float32_t arm_dct4_instance_f32::normalize

normalizing factor.

Definition at line 2570 of file arm_math.h.

arm_cfft_radix4_instance_f32* arm_dct4_instance_f32::pCfft

points to the complex FFT instance.

Definition at line 2574 of file arm_math.h.

float32_t* arm_dct4_instance_f32::pCosFactor

points to the cosFactor table.

Definition at line 2572 of file arm_math.h.

arm_rfft_instance_f32* arm_dct4_instance_f32::pRfft

points to the real FFT instance.

Definition at line 2573 of file arm_math.h.

float32_t* arm_dct4_instance_f32::pTwiddle

points to the twiddle factor table.

Definition at line 2571 of file arm_math.h.

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