areaDetector  3-5-0
EPICS areaDetector framework
Macros | Functions
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,
 
)    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 
)