Callisto4Bootloader: arm_dct4_instance_f32 Struct Reference

Callisto4Bootloader

Data Fields
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
uint16_t | Nby2
float32_t | normalize
const float32_t * | pTwiddle
const float32_t * | pCosFactor
arm_rfft_instance_f32 * | pRfft
arm_cfft_radix4_instance_f32 * | pCfft

## Detailed Description

Instance structure for the floating-point DCT4/IDCT4 function.

Definition at line 2275 of file arm_math.h.

## Field Documentation

## ◆ N

uint16_t arm_dct4_instance_f32::N

length of the DCT4.

Definition at line 2277 of file arm_math.h.

## ◆ Nby2

uint16_t arm_dct4_instance_f32::Nby2

half of the length of the DCT4.

Definition at line 2278 of file arm_math.h.

## ◆ normalize

float32_t arm_dct4_instance_f32::normalize

normalizing factor.

Definition at line 2279 of file arm_math.h.

## ◆ pCfft

arm_cfft_radix4_instance_f32* arm_dct4_instance_f32::pCfft

points to the complex FFT instance.

Definition at line 2283 of file arm_math.h.

## ◆ pCosFactor

const float32_t* arm_dct4_instance_f32::pCosFactor

points to the cosFactor table.

Definition at line 2281 of file arm_math.h.

## ◆ pRfft

arm_rfft_instance_f32* arm_dct4_instance_f32::pRfft

points to the real FFT instance.

Definition at line 2282 of file arm_math.h.

## ◆ pTwiddle

const float32_t* arm_dct4_instance_f32::pTwiddle

points to the twiddle factor table.

Definition at line 2280 of file arm_math.h.

The documentation for this struct was generated from the following file:

- CMSIS/arm_math.h