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_q31 * | pCfft |
| q31_t * | pCosFactor |
| arm_rfft_instance_q31 * | pRfft |
| q31_t * | pTwiddle |
Instance structure for the Q31 DCT4/IDCT4 function.
Definition at line 2410 of file arm_math.h.
| uint16_t arm_dct4_instance_q31::N |
length of the DCT4.
Definition at line 2412 of file arm_math.h.
| uint16_t arm_dct4_instance_q31::Nby2 |
half of the length of the DCT4.
Definition at line 2413 of file arm_math.h.
| q31_t arm_dct4_instance_q31::normalize |
normalizing factor.
Definition at line 2414 of file arm_math.h.
| arm_cfft_radix4_instance_q31* arm_dct4_instance_q31::pCfft |
points to the complex FFT instance.
Definition at line 2418 of file arm_math.h.
| q31_t* arm_dct4_instance_q31::pCosFactor |
points to the cosFactor table.
Definition at line 2416 of file arm_math.h.
| arm_rfft_instance_q31* arm_dct4_instance_q31::pRfft |
points to the real FFT instance.
Definition at line 2417 of file arm_math.h.
| q31_t* arm_dct4_instance_q31::pTwiddle |
points to the twiddle factor table.
Definition at line 2415 of file arm_math.h.