QtiPlot  0.9.8.2
Functions
fft2D.cpp File Reference
#include "fft2D.h"
#include <Matrix.h>
#include <math.h>

Functions

void fft (double *x_int_re, double *x_int_im, int taille)
 
void fft2d (double **xtre, double **xtim, int width, int height, bool shift)
 
void fft2d_inv (double **xtre, double **xtim, double **xrec_re, double **xrec_im, int width, int height, bool undoShift)
 
void fft_inv (double *x_int_re, double *x_int_im, int taille)
 
bool isPower2 (int n)
 
int next2Power (int n)
 

Function Documentation

§ fft()

void fft ( double *  x_int_re,
double *  x_int_im,
int  taille 
)

References M_PI.

Referenced by FFTDialog::accept(), fft2d(), and FFTDialog::fftMatrix().

§ fft2d()

void fft2d ( double **  xtre,
double **  xtim,
int  width,
int  height,
bool  shift 
)

§ fft2d_inv()

void fft2d_inv ( double **  xtre,
double **  xtim,
double **  xrec_re,
double **  xrec_im,
int  width,
int  height,
bool  undoShift 
)

§ fft_inv()

void fft_inv ( double *  x_int_re,
double *  x_int_im,
int  taille 
)

References M_PI.

Referenced by fft2d_inv().

§ isPower2()

bool isPower2 ( int  n)

§ next2Power()

int next2Power ( int  n)

Referenced by FFT::fftMatrix().