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