arm_dct4_instance_f32 Struct Reference

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.

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