Instance structure for the Q15 DCT4/IDCT4 function. More...
#include <arm_math.h>
Public Attributes | |
| uint16_t | N |
| uint16_t | Nby2 |
| q15_t | normalize |
| arm_cfft_radix4_instance_q15 * | pCfft |
| q15_t * | pCosFactor |
| arm_rfft_instance_q15 * | pRfft |
| q15_t * | pTwiddle |
Instance structure for the Q15 DCT4/IDCT4 function.
Definition at line 2457 of file arm_math.h.
| uint16_t arm_dct4_instance_q15::N |
length of the DCT4.
Definition at line 2459 of file arm_math.h.
| uint16_t arm_dct4_instance_q15::Nby2 |
half of the length of the DCT4.
Definition at line 2460 of file arm_math.h.
| q15_t arm_dct4_instance_q15::normalize |
normalizing factor.
Definition at line 2461 of file arm_math.h.
| arm_cfft_radix4_instance_q15* arm_dct4_instance_q15::pCfft |
points to the complex FFT instance.
Definition at line 2465 of file arm_math.h.
| q15_t* arm_dct4_instance_q15::pCosFactor |
points to the cosFactor table.
Definition at line 2463 of file arm_math.h.
| arm_rfft_instance_q15* arm_dct4_instance_q15::pRfft |
points to the real FFT instance.
Definition at line 2464 of file arm_math.h.
| q15_t* arm_dct4_instance_q15::pTwiddle |
points to the twiddle factor table.
Definition at line 2462 of file arm_math.h.