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1 /* |
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2 |
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3 This file is part of Octave. |
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4 |
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5 Octave is free software; you can redistribute it and/or modify it |
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6 under the terms of the GNU General Public License as published by the |
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7 Free Software Foundation; either version 2, or (at your option) any |
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8 later version. |
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9 |
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10 Octave is distributed in the hope that it will be useful, but WITHOUT |
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 for more details. |
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14 |
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15 You should have received a copy of the GNU General Public License |
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16 along with Octave; see the file COPYING. If not, write to the Free |
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17 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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18 02110-1301, USA. |
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19 |
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20 */ |
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21 |
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22 #if !defined (octave_oct_fftw_h) |
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23 #define octave_oct_fftw_h 1 |
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24 |
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25 #include <cstddef> |
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26 #include <fftw3.h> |
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27 |
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28 #include "oct-cmplx.h" |
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29 #include "dim-vector.h" |
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30 |
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31 class |
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32 octave_fftw |
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33 { |
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34 public: |
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35 static int fft (const double *in, Complex *out, size_t npts, |
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36 size_t nsamples = 1, octave_idx_type stride = 1, octave_idx_type dist = -1); |
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37 static int fft (const Complex *in, Complex *out, size_t npts, |
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38 size_t nsamples = 1, octave_idx_type stride = 1, octave_idx_type dist = -1); |
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39 static int ifft (const Complex *in, Complex *out, size_t npts, |
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40 size_t nsamples = 1, octave_idx_type stride = 1, octave_idx_type dist = -1); |
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41 |
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42 static int fftNd (const double*, Complex*, const int, const dim_vector &); |
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43 static int fftNd (const Complex*, Complex*, const int, |
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44 const dim_vector &); |
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45 static int ifftNd (const Complex*, Complex*, const int, |
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46 const dim_vector &); |
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47 |
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48 private: |
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49 octave_fftw (); |
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50 octave_fftw (const octave_fftw&); |
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51 octave_fftw& operator = (const octave_fftw&); |
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52 }; |
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53 |
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54 #endif |
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55 |
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56 /* |
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57 ;;; Local Variables: *** |
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58 ;;; mode: C++ *** |
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59 ;;; End: *** |
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60 */ |
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61 |
