1 /*****************************************************************************
5 ** Purpose: Header for Fourier transform functions
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: Dec 2000
9 ** This is part of the CTSim program
10 ** Copyright (c) 1983-2001 Kevin Rosenberg
12 ** $Id: fourier.h,v 1.5 2001/01/28 19:20:15 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
34 static void shuffleFourierToNaturalOrder (ImageFile& im);
35 static void shuffleNaturalToFourierOrder (ImageFile& im);
37 static void shuffleNaturalToFourierOrder (float* pdVector, const int n);
38 static void shuffleNaturalToFourierOrder (double* pdVector, const int n);
39 static void shuffleNaturalToFourierOrder (std::complex<double>* pdVector, const int n);
40 static void shuffleFourierToNaturalOrder (float* pdVector, const int n);
41 static void shuffleFourierToNaturalOrder (double* pdVector, const int n);
42 static void shuffleFourierToNaturalOrder (std::complex<double>* pdVector, const int n);
44 }; // namespace Fourier