Instance structure for the Q31 DCT4/IDCT4 function. More...
#include <arm_math.h>
Data Fields | |
uint16_t | N |
uint16_t | Nby2 |
q31_t | normalize |
q31_t * | pTwiddle |
q31_t * | pCosFactor |
arm_rfft_instance_q31 * | pRfft |
arm_cfft_radix4_instance_q31 * | pCfft |
Instance structure for the Q31 DCT4/IDCT4 function.
Definition at line 2341 of file arm_math.h.
uint16_t arm_dct4_instance_q31::N |
length of the DCT4.
Definition at line 2343 of file arm_math.h.
uint16_t arm_dct4_instance_q31::Nby2 |
half of the length of the DCT4.
Definition at line 2344 of file arm_math.h.
normalizing factor.
Definition at line 2345 of file arm_math.h.
points to the twiddle factor table.
Definition at line 2346 of file arm_math.h.
points to the cosFactor table.
Definition at line 2347 of file arm_math.h.
points to the real FFT instance.
Definition at line 2348 of file arm_math.h.
points to the complex FFT instance.
Definition at line 2349 of file arm_math.h.