mbed library for NZ32-SC151
arm_dct4_instance_f32 Struct Reference
Instance structure for the floating-point DCT4/IDCT4 function. More...
#include <arm_math.h>
Data Fields | |
uint16_t | N |
length of the DCT4. | |
uint16_t | Nby2 |
half of the length of the DCT4. | |
float32_t | normalize |
normalizing factor. | |
float32_t * | pTwiddle |
points to the twiddle factor table. | |
float32_t * | pCosFactor |
points to the cosFactor table. | |
arm_rfft_instance_f32 * | pRfft |
points to the real FFT instance. | |
arm_cfft_radix4_instance_f32 * | pCfft |
points to the complex FFT instance. |
Detailed Description
Instance structure for the floating-point DCT4/IDCT4 function.
Definition at line 2363 of file arm_math.h.
Field Documentation
uint16_t N |
length of the DCT4.
Definition at line 2365 of file arm_math.h.
uint16_t Nby2 |
half of the length of the DCT4.
Definition at line 2366 of file arm_math.h.
float32_t normalize |
normalizing factor.
Definition at line 2367 of file arm_math.h.
points to the complex FFT instance.
Definition at line 2371 of file arm_math.h.
float32_t* pCosFactor |
points to the cosFactor table.
Definition at line 2369 of file arm_math.h.
points to the real FFT instance.
Definition at line 2370 of file arm_math.h.
float32_t* pTwiddle |
points to the twiddle factor table.
Definition at line 2368 of file arm_math.h.
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