fft.c File Reference

#include "fft.h"
#include <stdlib.h>
#include <math.h>

Macros
#define	M_PI   3.14159265358979323846264338327950288
#define	SIN60   0.86602540378443865 /* sin(60 deg) */
#define	COS72   0.30901699437494742 /* cos(72 deg) */
#define	SIN72   0.95105651629515357 /* sin(72 deg) */
#define	REAL   double
#define	FFTN   WebRtcIsac_Fftn
#define	FFTNS   "fftn"
#define	FFTRADIX   WebRtcIsac_Fftradix
#define	FFTRADIXS   "fftradix"

Functions
int	WebRtcIsac_Fftns (unsigned int ndim, const int dims[], double Re[], double Im[], int iSign, double scaling, FFTstr *fftstate)

Macro Definition Documentation

COS72

#define COS72   0.30901699437494742 /* cos(72 deg) */

FFTN

#define FFTN   WebRtcIsac_Fftn

FFTNS

#define FFTNS   "fftn"

FFTRADIX

#define FFTRADIX   WebRtcIsac_Fftradix

FFTRADIXS

#define FFTRADIXS   "fftradix"

M_PI

#define M_PI   3.14159265358979323846264338327950288

REAL

#define REAL   double

SIN60

#define SIN60   0.86602540378443865 /* sin(60 deg) */

SIN72

#define SIN72   0.95105651629515357 /* sin(72 deg) */

Function Documentation

WebRtcIsac_Fftns()

int WebRtcIsac_Fftns	(	unsigned int	ndim,
		const int	dims[],
		double	Re[],
		double	Im[],
		int	iSign,
		double	scaling,
		FFTstr *	fftstate
	)