fftwrap.c File Reference

#include "misc.h"
#include "kiss_fftr.h"
#include "kiss_fft.h"

Include dependency graph for fftwrap.c:

Classes
struct	kiss_config
Defines
#define	USE_KISS_FFT
Functions
void *	spx_fft_init (int size)
void	spx_fft_destroy (void *table)
void	spx_fft (void *table, spx_word16_t *in, spx_word16_t *out)
void	spx_ifft (void *table, spx_word16_t *in, spx_word16_t *out)
void	spx_fft_float (void *table, float *in, float *out)
void	spx_ifft_float (void *table, float *in, float *out)
Variables
int	fixed_point = 1

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Define Documentation

#define USE_KISS_FFT

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Function Documentation

void spx_fft	(	void *	table,
		spx_word16_t *	in,
		spx_word16_t *	out
	)

Forward (real to half-complex) transform

void spx_fft_destroy

(

void *

table

)

Destroy tables for an FFT

void spx_fft_float	(	void *	table,
		float *	in,
		float *	out
	)

Forward (real to half-complex) transform of float data

void* spx_fft_init

(

int

size

)

Compute tables for an FFT

void spx_ifft	(	void *	table,
		spx_word16_t *	in,
		spx_word16_t *	out
	)

Backward (half-complex to real) transform

void spx_ifft_float	(	void *	table,
		float *	in,
		float *	out
	)

Backward (half-complex to real) transform of float data

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Variable Documentation

int fixed_point = 1

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