fft2D.h
Go to the documentation of this file.
/***************************************************************************
File : fft2D.h
Project : QtiPlot
--------------------------------------------------------------------
Copyright : (C) 2007 by Ion Vasilief
Email (use @ for *) : ion_vasilief*yahoo.fr
Description : FFT for matrices
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301 USA *
* *
***************************************************************************/
#ifndef FOURIER_H
#define FOURIER_H
void fft2d(double **xtre, double **xtim, int width, int height, bool shift = true);
void fft2d_inv(double **xtre, double **xtim, double **xrec_re, double **xrec_im, int width, int height, bool undoShift = true);
bool isPower2(int n);
int next2Power(int n);
#endif
fft2d_inv
void fft2d_inv(double **xtre, double **xtim, double **xrec_re, double **xrec_im, int width, int height, bool undoShift)
Definition: fft2D.cpp:163
isPower2
bool isPower2(int n)
Definition: fft2D.cpp:44
next2Power
int next2Power(int n)
Definition: fft2D.cpp:33
fft2d
void fft2d(double **xtre, double **xtim, int width, int height, bool shift)
Definition: fft2D.cpp:111