1 /*****************************************************************************
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2 ** FILE IDENTIFICATION
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5 ** Purpose: Header for Fourier transform functions
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6 ** Programmer: Kevin Rosenberg
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7 ** Date Started: Dec 2000
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9 ** This is part of the CTSim program
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10 ** Copyright (C) 1983-2001 Kevin Rosenberg
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12 ** $Id: fourier.h,v 1.1 2001/01/02 06:33:04 kevin Exp $
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14 ** This program is free software; you can redistribute it and/or modify
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15 ** it under the terms of the GNU General Public License (version 2) as
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16 ** published by the Free Software Foundation.
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18 ** This program is distributed in the hope that it will be useful,
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19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 ** GNU General Public License for more details.
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23 ** You should have received a copy of the GNU General Public License
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24 ** along with this program; if not, write to the Free Software
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25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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26 ******************************************************************************/
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34 static void shuffleFourierToNaturalOrder (ImageFile& im);
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35 static void shuffleNaturalToFourierOrder (ImageFile& im);
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37 static void shuffleNaturalToFourierOrder (float* pdVector, const int n);
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38 static void shuffleNaturalToFourierOrder (double* pdVector, const int n);
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39 static void shuffleNaturalToFourierOrder (std::complex<double>* pdVector, const int n);
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40 static void shuffleFourierToNaturalOrder (float* pdVector, const int n);
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41 static void shuffleFourierToNaturalOrder (double* pdVector, const int n);
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42 static void shuffleFourierToNaturalOrder (std::complex<double>* pdVector, const int n);
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44 }; // namespace Fourier
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