fft.c File Reference

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

Macros
#define	SWAP(a, b)   tempr=(a);(a)=(b);(b)=tempr
	Modified code from Numerical Recipes four1 and fourn. More...
#define	M_PI   3.14159265358979323846

Functions
void	fft_1D (double data[], unsigned long nn, int isign)
void	fft_ND (double data[], unsigned long nn[], int ndim, int isign)

Macro Definition Documentation

M_PI

#define M_PI   3.14159265358979323846

SWAP

#define SWAP	(		a,
			b
	)		tempr=(a);(a)=(b);(b)=tempr

Modified code from Numerical Recipes four1 and fourn.

Function Documentation

fft_1D()

void fft_1D	(	double	data[],
		unsigned long	nn,
		int	isign
	)

fft_ND()

void fft_ND	(	double	data[],
		unsigned long	nn[],
		int	ndim,
		int	isign
	)