Instance structure for the floating-point DCT4/IDCT4 function. More...
#include <arm_math.h>
Public Attributes | |
| uint16_t | N |
| uint16_t | Nby2 |
| float32_t | normalize |
| arm_cfft_radix4_instance_f32 * | pCfft |
| float32_t * | pCosFactor |
| arm_rfft_instance_f32 * | pRfft |
| float32_t * | pTwiddle |
Instance structure for the floating-point DCT4/IDCT4 function.
Definition at line 2363 of file arm_math.h.
| uint16_t arm_dct4_instance_f32::N |
length of the DCT4.
Definition at line 2365 of file arm_math.h.
| uint16_t arm_dct4_instance_f32::Nby2 |
half of the length of the DCT4.
Definition at line 2366 of file arm_math.h.
| float32_t arm_dct4_instance_f32::normalize |
normalizing factor.
Definition at line 2367 of file arm_math.h.
| arm_cfft_radix4_instance_f32* arm_dct4_instance_f32::pCfft |
points to the complex FFT instance.
Definition at line 2371 of file arm_math.h.
| float32_t* arm_dct4_instance_f32::pCosFactor |
points to the cosFactor table.
Definition at line 2369 of file arm_math.h.
| arm_rfft_instance_f32* arm_dct4_instance_f32::pRfft |
points to the real FFT instance.
Definition at line 2370 of file arm_math.h.
| float32_t* arm_dct4_instance_f32::pTwiddle |
points to the twiddle factor table.
Definition at line 2368 of file arm_math.h.