Ardour  9.0-pre0-582-g084a23a80d
kiss_fft.h File Reference
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>
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Classes

struct  kiss_fft_cpx
 

Macros

#define KISS_FFT_MALLOC   malloc
 
#define KISS_FFT_FREE   free
 
#define kiss_fft_scalar   float
 
#define kiss_fft_free   free
 
#define kiss_fftr_next_fast_size_real(n)    (kiss_fft_next_fast_size( ((n)+1)>>1)<<1)
 

Typedefs

typedef struct kiss_fft_statekiss_fft_cfg
 

Functions

kiss_fft_cfg kiss_fft_alloc (int nfft, int inverse_fft, void *mem, size_t *lenmem)
 
void kiss_fft (kiss_fft_cfg cfg, const kiss_fft_cpx *fin, kiss_fft_cpx *fout)
 
void kiss_fft_stride (kiss_fft_cfg cfg, const kiss_fft_cpx *fin, kiss_fft_cpx *fout, int fin_stride)
 
void kiss_fft_cleanup (void)
 
int kiss_fft_next_fast_size (int n)
 

Macro Definition Documentation

◆ KISS_FFT_FREE

#define KISS_FFT_FREE   free

Definition at line 33 of file kiss_fft.h.

◆ kiss_fft_free

#define kiss_fft_free   free

Definition at line 102 of file kiss_fft.h.

◆ KISS_FFT_MALLOC

#define KISS_FFT_MALLOC   malloc

Definition at line 32 of file kiss_fft.h.

◆ kiss_fft_scalar

#define kiss_fft_scalar   float

Definition at line 47 of file kiss_fft.h.

◆ kiss_fftr_next_fast_size_real

#define kiss_fftr_next_fast_size_real (   n)     (kiss_fft_next_fast_size( ((n)+1)>>1)<<1)

Definition at line 117 of file kiss_fft.h.

Typedef Documentation

◆ kiss_fft_cfg

typedef struct kiss_fft_state* kiss_fft_cfg

Definition at line 56 of file kiss_fft.h.

Function Documentation

◆ kiss_fft()

void kiss_fft ( kiss_fft_cfg  cfg,
const kiss_fft_cpx fin,
kiss_fft_cpx fout 
)

◆ kiss_fft_alloc()

kiss_fft_cfg kiss_fft_alloc ( int  nfft,
int  inverse_fft,
void *  mem,
size_t *  lenmem 
)

◆ kiss_fft_cleanup()

void kiss_fft_cleanup ( void  )

◆ kiss_fft_next_fast_size()

int kiss_fft_next_fast_size ( int  n)

◆ kiss_fft_stride()

void kiss_fft_stride ( kiss_fft_cfg  cfg,
const kiss_fft_cpx fin,
kiss_fft_cpx fout,
int  fin_stride 
)