kiss_fft.h File Reference

#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>

Go to the source code of this file.

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   KISS_FFT_FREE
#define	kiss_fftr_next_fast_size_real(n)

Typedefs
typedef struct kiss_fft_state *	kiss_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

kiss_fft_free

#define kiss_fft_free   KISS_FFT_FREE

KISS_FFT_MALLOC

#define KISS_FFT_MALLOC   malloc

kiss_fft_scalar

#define kiss_fft_scalar   float

kiss_fftr_next_fast_size_real

#define kiss_fftr_next_fast_size_real

(

n

)

Value:

(kiss_fft_next_fast_size( ((n)+1)>>1)<<1)

Typedef Documentation

kiss_fft_cfg

typedef struct kiss_fft_state* kiss_fft_cfg

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 )