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annotate liboctave/numeric/oct-fftw.h @ 17769:49a5a4be04a1

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maint: Use GNU style coding conventions for code in liboctave/ * liboctave/array/Array-C.cc, liboctave/array/Array-b.cc, liboctave/array/Array-ch.cc, liboctave/array/Array-d.cc, liboctave/array/Array-f.cc, liboctave/array/Array-fC.cc, liboctave/array/Array-util.cc, liboctave/array/Array-util.h, liboctave/array/Array.cc, liboctave/array/Array.h, liboctave/array/Array3.h, liboctave/array/CColVector.cc, liboctave/array/CColVector.h, liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h, liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h, liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h, liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h, liboctave/array/CSparse.cc, liboctave/array/CSparse.h, liboctave/array/DiagArray2.h, liboctave/array/MArray.cc, liboctave/array/MArray.h, liboctave/array/MDiagArray2.cc, liboctave/array/MDiagArray2.h, liboctave/array/MSparse.cc, liboctave/array/MSparse.h, liboctave/array/MatrixType.cc, liboctave/array/MatrixType.h, liboctave/array/PermMatrix.h, liboctave/array/Range.cc, liboctave/array/Range.h, liboctave/array/Sparse.cc, liboctave/array/Sparse.h, liboctave/array/boolMatrix.cc, liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.cc, liboctave/array/boolNDArray.h, liboctave/array/boolSparse.cc, liboctave/array/boolSparse.h, liboctave/array/chMatrix.cc, liboctave/array/chMatrix.h, liboctave/array/chNDArray.cc, liboctave/array/chNDArray.h, liboctave/array/dColVector.h, liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h, liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h, liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h, liboctave/array/dRowVector.h, liboctave/array/dSparse.cc, liboctave/array/dSparse.h, liboctave/array/dim-vector.cc, liboctave/array/dim-vector.h, liboctave/array/fCColVector.cc, liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.cc, liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.cc, liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.cc, liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.cc, liboctave/array/fCRowVector.h, liboctave/array/fColVector.h, liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h, liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h, liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h, liboctave/array/fRowVector.h, liboctave/array/idx-vector.cc, liboctave/array/idx-vector.h, liboctave/array/intNDArray.cc, liboctave/array/intNDArray.h, liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/quit.cc, liboctave/numeric/CmplxCHOL.cc, liboctave/numeric/CmplxCHOL.h, liboctave/numeric/CmplxGEPBAL.cc, liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h, liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxLU.h, liboctave/numeric/CmplxQR.cc, liboctave/numeric/CmplxQRP.cc, liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h, liboctave/numeric/CmplxSVD.cc, liboctave/numeric/CmplxSVD.h, liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h, liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h, liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc, liboctave/numeric/DASRT.h, liboctave/numeric/DASSL.cc, liboctave/numeric/DET.h, liboctave/numeric/EIG.cc, liboctave/numeric/EIG.h, liboctave/numeric/LSODE.cc, liboctave/numeric/ODE.h, liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h, liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.cc, liboctave/numeric/Quad.h, liboctave/numeric/SparseCmplxCHOL.h, liboctave/numeric/SparseCmplxLU.cc, liboctave/numeric/SparseCmplxLU.h, liboctave/numeric/SparseCmplxQR.cc, liboctave/numeric/SparseCmplxQR.h, liboctave/numeric/SparseQR.cc, liboctave/numeric/SparseQR.h, liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.cc, liboctave/numeric/SparsedbleLU.h, liboctave/numeric/base-aepbal.h, liboctave/numeric/base-dae.h, liboctave/numeric/base-de.h, liboctave/numeric/base-lu.cc, liboctave/numeric/base-lu.h, liboctave/numeric/base-min.h, liboctave/numeric/base-qr.h, liboctave/numeric/bsxfun.h, liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h, liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.cc, liboctave/numeric/dbleLU.h, liboctave/numeric/dbleQR.cc, liboctave/numeric/dbleQRP.cc, liboctave/numeric/dbleQRP.h, liboctave/numeric/dbleSCHUR.cc, liboctave/numeric/dbleSCHUR.h, liboctave/numeric/dbleSVD.cc, liboctave/numeric/dbleSVD.h, liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxAEPBAL.cc, liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxCHOL.h, liboctave/numeric/fCmplxGEPBAL.cc, liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h, liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxLU.h, liboctave/numeric/fCmplxQR.cc, liboctave/numeric/fCmplxQR.h, liboctave/numeric/fCmplxQRP.cc, liboctave/numeric/fCmplxQRP.h, liboctave/numeric/fCmplxSCHUR.cc, liboctave/numeric/fCmplxSCHUR.h, liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.cc, liboctave/numeric/fEIG.h, liboctave/numeric/floatCHOL.cc, liboctave/numeric/floatCHOL.h, liboctave/numeric/floatGEPBAL.cc, liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h, liboctave/numeric/floatLU.cc, liboctave/numeric/floatLU.h, liboctave/numeric/floatQR.cc, liboctave/numeric/floatQRP.cc, liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.cc, liboctave/numeric/floatSCHUR.h, liboctave/numeric/floatSVD.cc, liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.cc, liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-specfun.cc, liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.cc, liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h, liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-rand.cc, liboctave/numeric/oct-rand.h, liboctave/numeric/randgamma.c, liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.c, liboctave/numeric/randpoisson.c, liboctave/numeric/randpoisson.h, liboctave/numeric/sparse-base-chol.h, liboctave/numeric/sparse-base-lu.h, liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/Sparse-diag-op-defs.h, liboctave/operators/Sparse-op-defs.h, liboctave/operators/mx-inlines.cc, liboctave/system/dir-ops.h, liboctave/system/file-ops.cc, liboctave/system/file-stat.cc, liboctave/system/file-stat.h, liboctave/system/lo-sysdep.cc, liboctave/system/lo-sysdep.h, liboctave/system/mach-info.cc, liboctave/system/mach-info.h, liboctave/system/oct-env.cc, liboctave/system/oct-group.cc, liboctave/system/oct-syscalls.cc, liboctave/system/oct-syscalls.h, liboctave/system/oct-time.h, liboctave/system/tempname.c, liboctave/util/action-container.h, liboctave/util/base-list.h, liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h, liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h, liboctave/util/data-conv.cc, liboctave/util/data-conv.h, liboctave/util/kpse.cc, liboctave/util/lo-array-gripes.cc, liboctave/util/lo-cieee.c, liboctave/util/lo-regexp.cc, liboctave/util/lo-utils.cc, liboctave/util/oct-alloc.cc, liboctave/util/oct-base64.cc, liboctave/util/oct-binmap.h, liboctave/util/oct-cmplx.h, liboctave/util/oct-glob.cc, liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h, liboctave/util/oct-locbuf.cc, liboctave/util/oct-locbuf.h, liboctave/util/oct-mem.h, liboctave/util/oct-mutex.cc, liboctave/util/oct-refcount.h, liboctave/util/oct-shlib.cc, liboctave/util/oct-shlib.h, liboctave/util/oct-sort.cc, liboctave/util/oct-sort.h, liboctave/util/pathsearch.cc, liboctave/util/pathsearch.h, liboctave/util/sparse-util.cc, liboctave/util/str-vec.cc, liboctave/util/str-vec.h, liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc, liboctave/util/url-transfer.h: Use GNU style coding conventions.
author Rik <rik@octave.org>
date Sat, 26 Oct 2013 18:57:05 -0700
parents d63878346099
children 4197fc428c7d
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1 /*
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2
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3 Copyright (C) 2001-2013 John W. Eaton
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4
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5 This file is part of Octave.
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6
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
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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
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
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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
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
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23 #if !defined (octave_oct_fftw_h)
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24 #define octave_oct_fftw_h 1
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25
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26 #include <cstddef>
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27
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28 #if defined (HAVE_FFTW3_H)
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29 #include <fftw3.h>
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30 #endif
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31
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32 #include "oct-cmplx.h"
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33 #include "dim-vector.h"
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34
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35 #if defined (HAVE_FFTW)
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36
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37 class
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38 OCTAVE_API
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39 octave_fftw_planner
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40 {
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41 protected:
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42
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43 octave_fftw_planner (void);
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44
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45 public:
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46
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47 ~octave_fftw_planner (void);
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48
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49 enum FftwMethod
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50 {
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51 UNKNOWN = -1,
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52 ESTIMATE,
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53 MEASURE,
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54 PATIENT,
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55 EXHAUSTIVE,
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56 HYBRID
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57 };
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58
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59 static bool instance_ok (void);
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60
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61 static fftw_plan
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62 create_plan (int dir, const int rank, const dim_vector dims,
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63 octave_idx_type howmany, octave_idx_type stride,
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64 octave_idx_type dist, const Complex *in,
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65 Complex *out)
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66 {
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67 static fftw_plan dummy;
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68
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69 return instance_ok ()
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70 ? instance->do_create_plan (dir, rank, dims, howmany, stride,
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71 dist, in, out)
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72 : dummy;
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73 }
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75 static fftw_plan
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76 create_plan (const int rank, const dim_vector dims,
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77 octave_idx_type howmany, octave_idx_type stride,
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78 octave_idx_type dist, const double *in, Complex *out)
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79 {
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80 static fftw_plan dummy;
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81
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82 return instance_ok ()
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83 ? instance->do_create_plan (rank, dims, howmany, stride, dist,
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84 in, out)
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85 : dummy;
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86 }
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87
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88 static FftwMethod method (void)
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89 {
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90 static FftwMethod dummy;
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91
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92 return instance_ok () ? instance->do_method () : dummy;
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93 }
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94
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95 static FftwMethod method (FftwMethod _meth)
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96 {
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97 static FftwMethod dummy;
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98
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99 return instance_ok () ? instance->do_method (_meth) : dummy;
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100 }
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101
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102 #if defined (HAVE_FFTW3F_THREADS)
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103 static void threads (int _nthreads)
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104 {
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105 if (instance_ok () && _nthreads != threads ())
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106 {
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107 instance->nthreads = _nthreads;
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108 fftw_plan_with_nthreads (_nthreads);
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109 //Clear the current plans
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110 instance->rplan = instance->plan[0] = instance->plan[1] = 0;
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111 }
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112 }
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113
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114 static int threads ()
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115 {
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116 return instance_ok () ? instance->nthreads : 0;
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117 }
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118 #endif
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119
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120 private:
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121
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122 // No copying!
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123
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124 octave_fftw_planner (const octave_fftw_planner&);
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125
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126 octave_fftw_planner& operator = (const octave_fftw_planner&);
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127
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128 static octave_fftw_planner *instance;
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129
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130 static void cleanup_instance (void) { delete instance; instance = 0; }
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131
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132 fftw_plan
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133 do_create_plan (int dir, const int rank, const dim_vector dims,
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134 octave_idx_type howmany, octave_idx_type stride,
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135 octave_idx_type dist, const Complex *in,
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136 Complex *out);
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137
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138 fftw_plan
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139 do_create_plan (const int rank, const dim_vector dims,
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140 octave_idx_type howmany, octave_idx_type stride,
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141 octave_idx_type dist, const double *in, Complex *out);
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142
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143 FftwMethod do_method (void);
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144
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145 FftwMethod do_method (FftwMethod _meth);
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146
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147 FftwMethod meth;
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148
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149 // FIXME: perhaps this should be split into two classes?
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150
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151 // Plan for fft and ifft of complex values
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152 fftw_plan plan[2];
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153
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154 // dist
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155 octave_idx_type d[2];
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156
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157 // stride
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158 octave_idx_type s[2];
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159
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160 // rank
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161 int r[2];
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162
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163 // howmany
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164 octave_idx_type h[2];
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165
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166 // dims
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167 dim_vector n[2];
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168
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169 bool simd_align[2];
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170 bool inplace[2];
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171
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172 // Plan for fft of real values
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173 fftw_plan rplan;
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174
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175 // dist
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176 octave_idx_type rd;
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177
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178 // stride
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179 octave_idx_type rs;
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180
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181 // rank
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182 int rr;
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183
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184 // howmany
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185 octave_idx_type rh;
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186
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187 // dims
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188 dim_vector rn;
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189
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190 bool rsimd_align;
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191
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192 #if defined (HAVE_FFTW3_THREADS)
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193 //number of threads when compiled with Multi-threading support
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194 int nthreads;
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195 #endif
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196 };
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197
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198 class
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199 OCTAVE_API
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200 octave_float_fftw_planner
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201 {
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202 protected:
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203
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204 octave_float_fftw_planner (void);
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205
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206 public:
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207
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208 ~octave_float_fftw_planner (void);
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209
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210 enum FftwMethod
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211 {
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212 UNKNOWN = -1,
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213 ESTIMATE,
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214 MEASURE,
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215 PATIENT,
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216 EXHAUSTIVE,
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217 HYBRID
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218 };
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219
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220 static bool instance_ok (void);
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221
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222 static fftwf_plan
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223 create_plan (int dir, const int rank, const dim_vector dims,
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224 octave_idx_type howmany, octave_idx_type stride,
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225 octave_idx_type dist, const FloatComplex *in,
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226 FloatComplex *out)
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227 {
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228 static fftwf_plan dummy;
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229
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230 return instance_ok ()
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231 ? instance->do_create_plan (dir, rank, dims, howmany, stride,
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232 dist, in, out)
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233 : dummy;
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234 }
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235
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236 static fftwf_plan
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237 create_plan (const int rank, const dim_vector dims,
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238 octave_idx_type howmany, octave_idx_type stride,
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239 octave_idx_type dist, const float *in, FloatComplex *out)
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240 {
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241 static fftwf_plan dummy;
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242
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243 return instance_ok ()
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244 ? instance->do_create_plan (rank, dims, howmany, stride, dist,
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245 in, out)
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246 : dummy;
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247 }
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248
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249 static FftwMethod method (void)
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250 {
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251 static FftwMethod dummy;
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252
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253 return instance_ok () ? instance->do_method () : dummy;
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254 }
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255
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256 static FftwMethod method (FftwMethod _meth)
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257 {
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258 static FftwMethod dummy;
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259
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260 return instance_ok () ? instance->do_method (_meth) : dummy;
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261 }
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262
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263 #if defined (HAVE_FFTW3F_THREADS)
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264 static void threads (int _nthreads)
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265 {
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266 if (instance_ok () && _nthreads != threads ())
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267 {
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268 instance->nthreads = _nthreads;
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269 fftwf_plan_with_nthreads (_nthreads);
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270 //Clear the current plans
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271 instance->rplan = instance->plan[0] = instance->plan[1] = 0;
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272 }
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273 }
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274
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275 static int threads ()
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276 {
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277 return instance_ok () ? instance->nthreads : 0;
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278 }
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279 #endif
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280
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281 private:
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282
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283 // No copying!
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284
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285 octave_float_fftw_planner (const octave_float_fftw_planner&);
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286
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287 octave_float_fftw_planner& operator = (const octave_float_fftw_planner&);
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288
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289 static octave_float_fftw_planner *instance;
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290
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291 static void cleanup_instance (void) { delete instance; instance = 0; }
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292
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293 fftwf_plan
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294 do_create_plan (int dir, const int rank, const dim_vector dims,
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295 octave_idx_type howmany, octave_idx_type stride,
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296 octave_idx_type dist, const FloatComplex *in,
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297 FloatComplex *out);
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298
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299 fftwf_plan
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300 do_create_plan (const int rank, const dim_vector dims,
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301 octave_idx_type howmany, octave_idx_type stride,
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302 octave_idx_type dist, const float *in, FloatComplex *out);
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303
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304 FftwMethod do_method (void);
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305
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306 FftwMethod do_method (FftwMethod _meth);
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307
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308 FftwMethod meth;
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309
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310 // FIXME: perhaps this should be split into two classes?
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311
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312 // Plan for fft and ifft of complex values
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313 fftwf_plan plan[2];
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314
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315 // dist
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316 octave_idx_type d[2];
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317
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318 // stride
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319 octave_idx_type s[2];
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320
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321 // rank
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322 int r[2];
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323
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324 // howmany
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325 octave_idx_type h[2];
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326
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327 // dims
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328 dim_vector n[2];
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329
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330 bool simd_align[2];
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331 bool inplace[2];
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332
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333 // Plan for fft of real values
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334 fftwf_plan rplan;
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335
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336 // dist
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337 octave_idx_type rd;
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338
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339 // stride
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340 octave_idx_type rs;
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341
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342 // rank
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343 int rr;
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344
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345 // howmany
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346 octave_idx_type rh;
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347
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348 // dims
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349 dim_vector rn;
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350
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351 bool rsimd_align;
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352
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353 #if defined (HAVE_FFTW3F_THREADS)
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354 //number of threads when compiled with Multi-threading support
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355 int nthreads;
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356 #endif
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357 };
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358
6228
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359 class
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360 OCTAVE_API
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361 octave_fftw
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362 {
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363 public:
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364
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365 static int fft (const double *in, Complex *out, size_t npts,
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366 size_t nsamples = 1, octave_idx_type stride = 1,
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367 octave_idx_type dist = -1);
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368 static int fft (const Complex *in, Complex *out, size_t npts,
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369 size_t nsamples = 1, octave_idx_type stride = 1,
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370 octave_idx_type dist = -1);
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371 static int ifft (const Complex *in, Complex *out, size_t npts,
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372 size_t nsamples = 1, octave_idx_type stride = 1,
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373 octave_idx_type dist = -1);
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374
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375 static int fftNd (const double*, Complex*, const int, const dim_vector &);
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376 static int fftNd (const Complex*, Complex*, const int,
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377 const dim_vector &);
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378 static int ifftNd (const Complex*, Complex*, const int,
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379 const dim_vector &);
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380
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381 static int fft (const float *in, FloatComplex *out, size_t npts,
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382 size_t nsamples = 1, octave_idx_type stride = 1,
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383 octave_idx_type dist = -1);
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384 static int fft (const FloatComplex *in, FloatComplex *out, size_t npts,
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385 size_t nsamples = 1, octave_idx_type stride = 1,
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386 octave_idx_type dist = -1);
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387 static int ifft (const FloatComplex *in, FloatComplex *out, size_t npts,
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388 size_t nsamples = 1, octave_idx_type stride = 1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
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389 octave_idx_type dist = -1);
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David Bateman <dbateman@free.fr>
parents: 7017
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390
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
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391 static int fftNd (const float*, FloatComplex*, const int, const dim_vector &);
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John W. Eaton <jwe@octave.org>
parents: 11523
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392 static int fftNd (const FloatComplex*, FloatComplex*, const int,
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cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
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393 const dim_vector &);
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John W. Eaton <jwe@octave.org>
parents: 11523
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394 static int ifftNd (const FloatComplex*, FloatComplex*, const int,
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cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
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395 const dim_vector &);
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David Bateman <dbateman@free.fr>
parents: 7017
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396
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adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
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397 private:
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0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9516
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398 octave_fftw (void);
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jwe
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399 octave_fftw (const octave_fftw&);
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
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400 octave_fftw& operator = (const octave_fftw&);
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
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401 };
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
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402
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
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403 #endif
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
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404
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John W. Eaton <jwe@octave.org>
parents: 9516
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405 #endif