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

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

References M_PI.

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

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

References Matrix::allocateMatrixData(), fft(), and Matrix::freeMatrixData().

Referenced by MatrixModel::fft(), and FFT::fftMatrix().

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

References Matrix::allocateMatrixData(), fft_inv(), and Matrix::freeMatrixData().

Referenced by MatrixModel::fft(), and FFT::fftMatrix().

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

References M_PI.

Referenced by fft2d_inv().

bool isPower2

(

int

n

)

Referenced by FFTDialog::activateDataSet(), FFT::fftMatrix(), and FFTDialog::setMatrix().

int next2Power

(

int

n

)

Referenced by FFT::fftMatrix().