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annotate liboctave/numeric/lo-fftpack-proto.h @ 23083:e9a0469dedd9 stable

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maint: strip extra trailing newlines from files.
author John W. Eaton <jwe@octave.org>
date Fri, 20 Jan 2017 12:19:08 -0500
parents 4caa7b28d183
children ef4d915df748 3ac9f9ecfae5
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1 /*
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2
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3 Copyright (C) 2016 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if ! defined (octave_lo_fftpack_proto_h)
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24 #define octave_lo_fftpack_proto_h 1
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25
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26 #include "octave-config.h"
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27
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28 #include "f77-fcn.h"
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29
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30 extern "C"
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31 {
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32 // Note that the original complex fft routines were not written for
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33 // float or double complex arguments. They have been modified by
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34 // adding an implicit float or double precision (a-h,o-z) statement
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35 // at the beginning of each subroutine.
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36
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37 // FFTB
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38
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39 F77_RET_T
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40 F77_FUNC (cfftb, CFFTB) (const F77_INT&, F77_CMPLX*, F77_CMPLX*);
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41
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42 F77_RET_T
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43 F77_FUNC (zfftb, ZFFTB) (const F77_INT&, F77_DBLE_CMPLX*, F77_DBLE_CMPLX*);
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44
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45 // FFTF
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46
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47 F77_RET_T
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48 F77_FUNC (cfftf, CFFTF) (const F77_INT&, F77_CMPLX*, F77_CMPLX*);
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49
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50 F77_RET_T
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51 F77_FUNC (zfftf, ZFFTF) (const F77_INT&, F77_DBLE_CMPLX*, F77_DBLE_CMPLX*);
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52
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53 // FFTI
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54
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55 F77_RET_T
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56 F77_FUNC (cffti, CFFTI) (const F77_INT&, F77_CMPLX*);
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57
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58 F77_RET_T
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59 F77_FUNC (zffti, ZFFTI) (const F77_INT&, F77_DBLE_CMPLX*);
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60 }
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61
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62 #endif