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annotate liboctave/numeric/oct-fftw.cc @ 21660:53728df3e4c9

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maint: for clarity, call ndims() rather than length() on dimension vectors. * ov-re-sparse.cc, QtHandlesUtils.cc, __lin_interpn__.cc, bsxfun.cc, cellfun.cc, data.cc, dot.cc, ellipj.cc, fft.cc, fft2.cc, fftn.cc, filter.cc, gl-render.cc, graphics.cc, mex.cc, oct-map.h, sub2ind.cc, symtab.cc, tril.cc, typecast.cc, utils.cc, variables.cc, ov-base-diag.cc, ov-base-int.cc, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-sparse.cc, ov-cell.cc, ov-class.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-intx.h, ov-java.cc, ov-lazy-idx.cc, ov-re-mat.cc, ov-str-mat.cc, ov-struct.cc, ov.cc, pt-arg-list.cc, pt-mat.cc, Array-util.cc, Array.cc, Array.h, CNDArray.cc, CSparse.cc, Sparse.cc, Sparse.h, dNDArray.cc, dSparse.cc, dim-vector.cc, dim-vector.h, fCNDArray.cc, fNDArray.cc, idx-vector.cc, bsxfun.h, oct-fftw.cc, mx-inlines.cc, lo-array-errwarn.cc, lo-array-gripes.cc: For clarity, call ndims() rather than length() on dimension vectors.
author Rik <rik@octave.org>
date Mon, 02 May 2016 08:53:18 -0700
parents 37cbdf7bffa9
children 68ab693d16e4
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1 /*
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2
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3 Copyright (C) 2001-2015 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
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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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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adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
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23 #ifdef HAVE_CONFIG_H
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24 # include "config.h"
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25 #endif
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26
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27 #if defined (HAVE_FFTW)
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29 #include <iostream>
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30 #include <vector>
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31
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32 #if defined (HAVE_FFTW3_H)
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33 # include <fftw3.h>
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34 #endif
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35
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36 #include "lo-error.h"
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37 #include "oct-fftw.h"
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38 #include "quit.h"
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39 #include "oct-locbuf.h"
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40 #include "singleton-cleanup.h"
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41
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42 #if defined (HAVE_FFTW3_THREADS) || defined (HAVE_FFTW3F_THREADS)
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43 # include "nproc.h"
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44 #endif
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45
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46 octave_fftw_planner *octave_fftw_planner::instance = 0;
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47
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48 // Helper class to create and cache FFTW plans for both 1D and
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49 // 2D. This implementation defaults to using FFTW_ESTIMATE to create
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50 // the plans, which in theory is suboptimal, but provides quite
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51 // reasonable performance in practice.
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52
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53 // Also note that if FFTW_ESTIMATE is not used then the planner in FFTW3
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54 // will destroy the input and output arrays. We must, therefore, create a
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55 // temporary input array with the same size and 16-byte alignment as
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56 // the original array when using a different planner strategy.
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57 // Note that we also use any wisdom that is available, either in a
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58 // FFTW3 system wide file or as supplied by the user.
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59
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60 // FIXME: if we can ensure 16 byte alignment in Array<T>
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61 // (<T> *data) the FFTW3 can use SIMD instructions for further
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62 // acceleration.
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63
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64 // Note that it is profitable to store the FFTW3 plans, for small FFTs.
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65
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66 octave_fftw_planner::octave_fftw_planner (void)
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67 : meth (ESTIMATE), rplan (0), rd (0), rs (0), rr (0), rh (0), rn (),
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68 rsimd_align (false), nthreads (1)
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69 {
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70 plan[0] = plan[1] = 0;
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71 d[0] = d[1] = s[0] = s[1] = r[0] = r[1] = h[0] = h[1] = 0;
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72 simd_align[0] = simd_align[1] = false;
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73 inplace[0] = inplace[1] = false;
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74 n[0] = n[1] = dim_vector ();
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75
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76 #if defined (HAVE_FFTW3_THREADS)
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77 int init_ret = fftw_init_threads ();
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78 if (! init_ret)
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79 (*current_liboctave_error_handler) ("Error initializing FFTW threads");
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80
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81 // Use number of processors available to the current process
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82 // This can be later changed with fftw ("threads", nthreads).
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83 nthreads = num_processors (NPROC_CURRENT);
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84 fftw_plan_with_nthreads (nthreads);
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85 #endif
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86
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87 // If we have a system wide wisdom file, import it.
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88 fftw_import_system_wisdom ();
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89 }
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90
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91 octave_fftw_planner::~octave_fftw_planner (void)
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92 {
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93 fftw_plan *plan_p;
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94
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95 plan_p = reinterpret_cast<fftw_plan *> (&rplan);
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96 if (*plan_p)
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97 fftw_destroy_plan (*plan_p);
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98
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99 plan_p = reinterpret_cast<fftw_plan *> (&plan[0]);
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100 if (*plan_p)
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101 fftw_destroy_plan (*plan_p);
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102
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103 plan_p = reinterpret_cast<fftw_plan *> (&plan[1]);
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104 if (*plan_p)
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105 fftw_destroy_plan (*plan_p);
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106 }
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107
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108 bool
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109 octave_fftw_planner::instance_ok (void)
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110 {
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111 bool retval = true;
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112
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113 if (! instance)
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114 {
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115 instance = new octave_fftw_planner ();
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116
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117 if (instance)
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118 singleton_cleanup_list::add (cleanup_instance);
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119 }
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120
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121 if (! instance)
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122 (*current_liboctave_error_handler)
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123 ("unable to create octave_fftw_planner object!");
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124
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125 return retval;
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126 }
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127
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128 void
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129 octave_fftw_planner::threads (int nt)
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130 {
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131 #if defined (HAVE_FFTW3_THREADS)
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132 if (instance_ok () && nt != threads ())
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133 {
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134 instance->nthreads = nt;
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135 fftw_plan_with_nthreads (nt);
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136 // Clear the current plans.
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137 instance->rplan = instance->plan[0] = instance->plan[1] = 0;
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138 }
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139 #else
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140 (*current_liboctave_warning_handler)
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141 ("unable to change number of threads without FFTW thread support");
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142 #endif
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143 }
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144
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145 #define CHECK_SIMD_ALIGNMENT(x) \
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146 (((reinterpret_cast<ptrdiff_t> (x)) & 0xF) == 0)
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147
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148 void *
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149 octave_fftw_planner::do_create_plan (int dir, const int rank,
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150 const dim_vector dims,
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151 octave_idx_type howmany,
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152 octave_idx_type stride,
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153 octave_idx_type dist,
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154 const Complex *in, Complex *out)
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155 {
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156 int which = (dir == FFTW_FORWARD) ? 0 : 1;
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157 fftw_plan *cur_plan_p = reinterpret_cast<fftw_plan *> (&plan[which]);
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158 bool create_new_plan = false;
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159 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
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160 bool ioinplace = (in == out);
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161
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162 // Don't create a new plan if we have a non SIMD plan already but
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163 // can do SIMD. This prevents endlessly recreating plans if we
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164 // change the alignment.
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165
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166 if (plan[which] == 0 || d[which] != dist || s[which] != stride
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167 || r[which] != rank || h[which] != howmany
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168 || ioinplace != inplace[which]
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169 || ((ioalign != simd_align[which]) ? ! ioalign : false))
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170 create_new_plan = true;
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171 else
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172 {
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173 // We still might not have the same shape of array.
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174
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175 for (int i = 0; i < rank; i++)
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176 if (dims(i) != n[which](i))
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177 {
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178 create_new_plan = true;
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179 break;
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180 }
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181 }
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182
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183 if (create_new_plan)
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184 {
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185 d[which] = dist;
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186 s[which] = stride;
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187 r[which] = rank;
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188 h[which] = howmany;
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189 simd_align[which] = ioalign;
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190 inplace[which] = ioinplace;
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191 n[which] = dims;
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192
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193 // Note reversal of dimensions for column major storage in FFTW.
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194 octave_idx_type nn = 1;
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195 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
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196
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197 for (int i = 0, j = rank-1; i < rank; i++, j--)
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198 {
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199 tmp[i] = dims(j);
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200 nn *= dims(j);
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201 }
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202
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203 int plan_flags = 0;
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204 bool plan_destroys_in = true;
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205
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206 switch (meth)
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207 {
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208 case UNKNOWN:
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diff changeset
209 case ESTIMATE:
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210 plan_flags |= FFTW_ESTIMATE;
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211 plan_destroys_in = false;
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212 break;
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213 case MEASURE:
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214 plan_flags |= FFTW_MEASURE;
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215 break;
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diff changeset
216 case PATIENT:
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217 plan_flags |= FFTW_PATIENT;
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218 break;
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diff changeset
219 case EXHAUSTIVE:
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220 plan_flags |= FFTW_EXHAUSTIVE;
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diff changeset
221 break;
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diff changeset
222 case HYBRID:
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223 if (nn < 8193)
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224 plan_flags |= FFTW_MEASURE;
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225 else
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226 {
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227 plan_flags |= FFTW_ESTIMATE;
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228 plan_destroys_in = false;
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229 }
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230 break;
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diff changeset
231 }
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232
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233 if (ioalign)
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234 plan_flags &= ~FFTW_UNALIGNED;
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235 else
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236 plan_flags |= FFTW_UNALIGNED;
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237
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238 if (*cur_plan_p)
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239 fftw_destroy_plan (*cur_plan_p);
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240
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diff changeset
241 if (plan_destroys_in)
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diff changeset
242 {
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diff changeset
243 // Create matrix with the same size and 16-byte alignment as input
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diff changeset
244 OCTAVE_LOCAL_BUFFER (Complex, itmp, nn * howmany + 32);
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diff changeset
245 itmp = reinterpret_cast<Complex *>
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diff changeset
246 (((reinterpret_cast<ptrdiff_t>(itmp) + 15) & ~ 0xF) +
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diff changeset
247 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
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248
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249 *cur_plan_p =
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250 fftw_plan_many_dft (rank, tmp, howmany,
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diff changeset
251 reinterpret_cast<fftw_complex *> (itmp),
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diff changeset
252 0, stride, dist,
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253 reinterpret_cast<fftw_complex *> (out),
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diff changeset
254 0, stride, dist, dir, plan_flags);
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255 }
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256 else
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257 {
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diff changeset
258 *cur_plan_p =
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259 fftw_plan_many_dft (rank, tmp, howmany,
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diff changeset
260 reinterpret_cast<fftw_complex *> (const_cast<Complex *> (in)),
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diff changeset
261 0, stride, dist,
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diff changeset
262 reinterpret_cast<fftw_complex *> (out),
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diff changeset
263 0, stride, dist, dir, plan_flags);
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264 }
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265
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diff changeset
266 if (*cur_plan_p == 0)
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267 (*current_liboctave_error_handler) ("Error creating fftw plan");
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diff changeset
268 }
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diff changeset
269
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diff changeset
270 return *cur_plan_p;
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diff changeset
271 }
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272
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parents: 21301
diff changeset
273 void *
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274 octave_fftw_planner::do_create_plan (const int rank, const dim_vector dims,
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275 octave_idx_type howmany,
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diff changeset
276 octave_idx_type stride,
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diff changeset
277 octave_idx_type dist,
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diff changeset
278 const double *in, Complex *out)
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279 {
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diff changeset
280 fftw_plan *cur_plan_p = reinterpret_cast<fftw_plan *> (&rplan);
3828
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281 bool create_new_plan = false;
4808
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282 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
3828
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283
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284 // Don't create a new plan if we have a non SIMD plan already but
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
285 // can do SIMD. This prevents endlessly recreating plans if we
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
286 // change the alignment.
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jwe
parents: 4808
diff changeset
287
4783
55975a3073be [project @ 2004-02-17 17:16:37 by jwe]
jwe
parents: 4775
diff changeset
288 if (rplan == 0 || rd != dist || rs != stride || rr != rank
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
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parents: 19697
diff changeset
289 || rh != howmany || ((ioalign != rsimd_align) ? ! ioalign : false))
4773
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parents: 3874
diff changeset
290 create_new_plan = true;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
291 else
4809
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parents: 4808
diff changeset
292 {
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
293 // We still might not have the same shape of array.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
294
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
295 for (int i = 0; i < rank; i++)
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diff changeset
296 if (dims(i) != rn(i))
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diff changeset
297 {
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diff changeset
298 create_new_plan = true;
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diff changeset
299 break;
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parents: 10158
diff changeset
300 }
4809
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parents: 4808
diff changeset
301 }
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302
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
303 if (create_new_plan)
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
304 {
4773
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diff changeset
305 rd = dist;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
306 rs = stride;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
307 rr = rank;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
308 rh = howmany;
4808
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diff changeset
309 rsimd_align = ioalign;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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diff changeset
310 rn = dims;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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parents: 3874
diff changeset
311
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diff changeset
312 // Note reversal of dimensions for column major storage in FFTW.
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dbateman
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diff changeset
313 octave_idx_type nn = 1;
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
314 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
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diff changeset
315
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
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diff changeset
316 for (int i = 0, j = rank-1; i < rank; i++, j--)
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diff changeset
317 {
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diff changeset
318 tmp[i] = dims(j);
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diff changeset
319 nn *= dims(j);
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diff changeset
320 }
6228
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dbateman
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diff changeset
321
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
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diff changeset
322 int plan_flags = 0;
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
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diff changeset
323 bool plan_destroys_in = true;
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
324
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diff changeset
325 switch (meth)
10314
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diff changeset
326 {
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diff changeset
327 case UNKNOWN:
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diff changeset
328 case ESTIMATE:
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diff changeset
329 plan_flags |= FFTW_ESTIMATE;
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diff changeset
330 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
331 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
332 case MEASURE:
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
333 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
334 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
335 case PATIENT:
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diff changeset
336 plan_flags |= FFTW_PATIENT;
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
337 break;
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diff changeset
338 case EXHAUSTIVE:
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diff changeset
339 plan_flags |= FFTW_EXHAUSTIVE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
340 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
341 case HYBRID:
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parents: 10158
diff changeset
342 if (nn < 8193)
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
343 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
344 else
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
345 {
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
346 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
347 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
348 }
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
349 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
350 }
6228
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diff changeset
351
4808
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parents: 4788
diff changeset
352 if (ioalign)
10314
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diff changeset
353 plan_flags &= ~FFTW_UNALIGNED;
4808
a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe]
jwe
parents: 4788
diff changeset
354 else
10314
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diff changeset
355 plan_flags |= FFTW_UNALIGNED;
4808
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jwe
parents: 4788
diff changeset
356
3828
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parents:
diff changeset
357 if (*cur_plan_p)
10314
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diff changeset
358 fftw_destroy_plan (*cur_plan_p);
3828
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parents:
diff changeset
359
6228
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
360 if (plan_destroys_in)
10314
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
361 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
362 // Create matrix with the same size and 16-byte alignment as input
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
363 OCTAVE_LOCAL_BUFFER (double, itmp, nn + 32);
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
364 itmp = reinterpret_cast<double *>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
365 (((reinterpret_cast<ptrdiff_t>(itmp) + 15) & ~ 0xF) +
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
366 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
367
10314
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
368 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
369 fftw_plan_many_dft_r2c (rank, tmp, howmany, itmp,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
370 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
371 reinterpret_cast<fftw_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
372 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
373 }
6228
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
374 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
375 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
376 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
377 fftw_plan_many_dft_r2c (rank, tmp, howmany,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
378 (const_cast<double *> (in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
379 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
380 reinterpret_cast<fftw_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
381 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
382 }
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
383
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
384 if (*cur_plan_p == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
385 (*current_liboctave_error_handler) ("Error creating fftw plan");
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
386 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
387
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
388 return *cur_plan_p;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
389 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
390
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
391 octave_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
392 octave_fftw_planner::do_method (void)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
393 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
394 return meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
395 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
396
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
397 octave_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
398 octave_fftw_planner::do_method (FftwMethod _meth)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
399 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
400 FftwMethod ret = meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
401 if (_meth == ESTIMATE || _meth == MEASURE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
402 || _meth == PATIENT || _meth == EXHAUSTIVE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
403 || _meth == HYBRID)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
404 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
405 if (meth != _meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
406 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
407 meth = _meth;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
408 if (rplan)
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
409 fftw_destroy_plan (reinterpret_cast<fftw_plan> (rplan));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
410 if (plan[0])
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
411 fftw_destroy_plan (reinterpret_cast<fftw_plan> (plan[0]));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
412 if (plan[1])
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
413 fftw_destroy_plan (reinterpret_cast<fftw_plan> (plan[1]));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
414 rplan = plan[0] = plan[1] = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
415 }
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
416 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
417 else
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
418 ret = UNKNOWN;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
419 return ret;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
420 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
421
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
422 octave_float_fftw_planner *octave_float_fftw_planner::instance = 0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
423
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
424 octave_float_fftw_planner::octave_float_fftw_planner (void)
11509
fc35194006d6 oct-fftw.cc: more constructor tweaks
John W. Eaton <jwe@octave.org>
parents: 11501
diff changeset
425 : meth (ESTIMATE), rplan (0), rd (0), rs (0), rr (0), rh (0), rn (),
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
426 rsimd_align (false), nthreads (1)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
427 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
428 plan[0] = plan[1] = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
429 d[0] = d[1] = s[0] = s[1] = r[0] = r[1] = h[0] = h[1] = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
430 simd_align[0] = simd_align[1] = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
431 inplace[0] = inplace[1] = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
432 n[0] = n[1] = dim_vector ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
433
15960
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
434 #if defined (HAVE_FFTW3F_THREADS)
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
435 int init_ret = fftwf_init_threads ();
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 19697
diff changeset
436 if (! init_ret)
15960
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
437 (*current_liboctave_error_handler) ("Error initializing FFTW3F threads");
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20955
diff changeset
438
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
439 // Use number of processors available to the current process
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
440 // This can be later changed with fftw ("threads", nthreads).
15960
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
441 nthreads = num_processors (NPROC_CURRENT);
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
442 fftwf_plan_with_nthreads (nthreads);
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
443 #endif
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
444
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diff changeset
445 // If we have a system wide wisdom file, import it.
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diff changeset
446 fftwf_import_system_wisdom ();
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parents: 7017
diff changeset
447 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
448
14078
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
449 octave_float_fftw_planner::~octave_float_fftw_planner (void)
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
450 {
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
451 fftwf_plan *plan_p;
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
452
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
453 plan_p = reinterpret_cast<fftwf_plan *> (&rplan);
14078
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
454 if (*plan_p)
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
455 fftwf_destroy_plan (*plan_p);
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
456
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
457 plan_p = reinterpret_cast<fftwf_plan *> (&plan[0]);
14078
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
458 if (*plan_p)
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
459 fftwf_destroy_plan (*plan_p);
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
460
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
461 plan_p = reinterpret_cast<fftwf_plan *> (&plan[1]);
14078
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
462 if (*plan_p)
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
463 fftwf_destroy_plan (*plan_p);
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
464 }
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
465
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
466 bool
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John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
467 octave_float_fftw_planner::instance_ok (void)
7789
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David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
468 {
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
469 bool retval = true;
7789
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parents: 7017
diff changeset
470
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
471 if (! instance)
13994
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
472 {
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
473 instance = new octave_float_fftw_planner ();
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
474
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
475 if (instance)
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
476 singleton_cleanup_list::add (cleanup_instance);
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
477 }
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
478
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
479 if (! instance)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20955
diff changeset
480 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20955
diff changeset
481 ("unable to create octave_fftw_planner object!");
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
482
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
483 return retval;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff changeset
484 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
485
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
486 void
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
487 octave_float_fftw_planner::threads (int nt)
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
488 {
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
489 #if defined (HAVE_FFTW3F_THREADS)
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
490 if (instance_ok () && nt != threads ())
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
491 {
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
492 instance->nthreads = nt;
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
493 fftwf_plan_with_nthreads (nt);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
494 // Clear the current plans.
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
495 instance->rplan = instance->plan[0] = instance->plan[1] = 0;
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
496 }
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
497 #else
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
498 (*current_liboctave_warning_handler)
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
499 ("unable to change number of threads without FFTW thread support");
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
500 #endif
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
501 }
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
502
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
503 void *
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
504 octave_float_fftw_planner::do_create_plan (int dir, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
505 const dim_vector dims,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
506 octave_idx_type howmany,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
507 octave_idx_type stride,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
508 octave_idx_type dist,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
509 const FloatComplex *in,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
510 FloatComplex *out)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
511 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
512 int which = (dir == FFTW_FORWARD) ? 0 : 1;
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
513 fftwf_plan *cur_plan_p = reinterpret_cast<fftwf_plan *> (&plan[which]);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
514 bool create_new_plan = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
515 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
516 bool ioinplace = (in == out);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
517
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
518 // Don't create a new plan if we have a non SIMD plan already but
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
519 // can do SIMD. This prevents endlessly recreating plans if we
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
520 // change the alignment.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
521
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
522 if (plan[which] == 0 || d[which] != dist || s[which] != stride
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
523 || r[which] != rank || h[which] != howmany
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
524 || ioinplace != inplace[which]
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 19697
diff changeset
525 || ((ioalign != simd_align[which]) ? ! ioalign : false))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
526 create_new_plan = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
527 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
528 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
529 // We still might not have the same shape of array.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
530
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
531 for (int i = 0; i < rank; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
532 if (dims(i) != n[which](i))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
533 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
534 create_new_plan = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
535 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
536 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
537 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
538
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
539 if (create_new_plan)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
540 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
541 d[which] = dist;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
542 s[which] = stride;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
543 r[which] = rank;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
544 h[which] = howmany;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
545 simd_align[which] = ioalign;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
546 inplace[which] = ioinplace;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
547 n[which] = dims;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
548
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
549 // Note reversal of dimensions for column major storage in FFTW.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
550 octave_idx_type nn = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
551 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
552
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
553 for (int i = 0, j = rank-1; i < rank; i++, j--)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
554 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
555 tmp[i] = dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
556 nn *= dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
557 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
558
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
559 int plan_flags = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
560 bool plan_destroys_in = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
561
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
562 switch (meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
563 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
564 case UNKNOWN:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
565 case ESTIMATE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
566 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
567 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
568 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
569 case MEASURE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
570 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
571 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
572 case PATIENT:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
573 plan_flags |= FFTW_PATIENT;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
574 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
575 case EXHAUSTIVE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
576 plan_flags |= FFTW_EXHAUSTIVE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
577 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
578 case HYBRID:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
579 if (nn < 8193)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
580 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
581 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
582 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
583 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
584 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
585 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
586 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
587 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
588
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
589 if (ioalign)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
590 plan_flags &= ~FFTW_UNALIGNED;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
591 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
592 plan_flags |= FFTW_UNALIGNED;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
593
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
594 if (*cur_plan_p)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
595 fftwf_destroy_plan (*cur_plan_p);
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
596
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
597 if (plan_destroys_in)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
598 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
599 // Create matrix with the same size and 16-byte alignment as input
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
600 OCTAVE_LOCAL_BUFFER (FloatComplex, itmp, nn * howmany + 32);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
601 itmp = reinterpret_cast<FloatComplex *>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
602 (((reinterpret_cast<ptrdiff_t>(itmp) + 15) & ~ 0xF) +
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
603 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
604
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
605 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
606 fftwf_plan_many_dft (rank, tmp, howmany,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
607 reinterpret_cast<fftwf_complex *> (itmp),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
608 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
609 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
610 0, stride, dist, dir, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
611 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
612 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
613 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
614 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
615 fftwf_plan_many_dft (rank, tmp, howmany,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
616 reinterpret_cast<fftwf_complex *> (const_cast<FloatComplex *> (in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
617 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
618 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
619 0, stride, dist, dir, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
620 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
621
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
622 if (*cur_plan_p == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
623 (*current_liboctave_error_handler) ("Error creating fftw plan");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
624 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
625
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
626 return *cur_plan_p;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
627 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
628
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
629 void *
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
630 octave_float_fftw_planner::do_create_plan (const int rank,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
631 const dim_vector dims,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
632 octave_idx_type howmany,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
633 octave_idx_type stride,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
634 octave_idx_type dist,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
635 const float *in, FloatComplex *out)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
636 {
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
637 fftwf_plan *cur_plan_p = reinterpret_cast<fftwf_plan *> (&rplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
638 bool create_new_plan = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
639 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
640
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
641 // Don't create a new plan if we have a non SIMD plan already but
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
642 // can do SIMD. This prevents endlessly recreating plans if we
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
643 // change the alignment.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
644
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
645 if (rplan == 0 || rd != dist || rs != stride || rr != rank
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 19697
diff changeset
646 || rh != howmany || ((ioalign != rsimd_align) ? ! ioalign : false))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
647 create_new_plan = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
648 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
649 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
650 // We still might not have the same shape of array.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
651
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
652 for (int i = 0; i < rank; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
653 if (dims(i) != rn(i))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
654 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
655 create_new_plan = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
656 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
657 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
658 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
659
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
660 if (create_new_plan)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
661 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
662 rd = dist;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
663 rs = stride;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
664 rr = rank;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
665 rh = howmany;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
666 rsimd_align = ioalign;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
667 rn = dims;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
668
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
669 // Note reversal of dimensions for column major storage in FFTW.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
670 octave_idx_type nn = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
671 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
672
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
673 for (int i = 0, j = rank-1; i < rank; i++, j--)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
674 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
675 tmp[i] = dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
676 nn *= dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
677 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
678
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
679 int plan_flags = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
680 bool plan_destroys_in = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
681
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
682 switch (meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
683 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
684 case UNKNOWN:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
685 case ESTIMATE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
686 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
687 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
688 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
689 case MEASURE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
690 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
691 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
692 case PATIENT:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
693 plan_flags |= FFTW_PATIENT;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
694 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
695 case EXHAUSTIVE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
696 plan_flags |= FFTW_EXHAUSTIVE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
697 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
698 case HYBRID:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
699 if (nn < 8193)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
700 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
701 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
702 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
703 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
704 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
705 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
706 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
707 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
708
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
709 if (ioalign)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
710 plan_flags &= ~FFTW_UNALIGNED;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
711 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
712 plan_flags |= FFTW_UNALIGNED;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
713
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
714 if (*cur_plan_p)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
715 fftwf_destroy_plan (*cur_plan_p);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
716
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
717 if (plan_destroys_in)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
718 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
719 // Create matrix with the same size and 16-byte alignment as input
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
720 OCTAVE_LOCAL_BUFFER (float, itmp, nn + 32);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
721 itmp = reinterpret_cast<float *>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
722 (((reinterpret_cast<ptrdiff_t>(itmp) + 15) & ~ 0xF) +
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
723 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
724
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
725 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
726 fftwf_plan_many_dft_r2c (rank, tmp, howmany, itmp,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
728 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
729 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
730 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
731 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
732 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
733 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
734 fftwf_plan_many_dft_r2c (rank, tmp, howmany,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
735 (const_cast<float *> (in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
736 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
737 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
738 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
739 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
740
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
741 if (*cur_plan_p == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
742 (*current_liboctave_error_handler) ("Error creating fftw plan");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
743 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
744
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
745 return *cur_plan_p;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
746 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
747
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
748 octave_float_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
749 octave_float_fftw_planner::do_method (void)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
750 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
751 return meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
752 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
753
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
754 octave_float_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
755 octave_float_fftw_planner::do_method (FftwMethod _meth)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
756 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
757 FftwMethod ret = meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
758 if (_meth == ESTIMATE || _meth == MEASURE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
759 || _meth == PATIENT || _meth == EXHAUSTIVE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
760 || _meth == HYBRID)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
761 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
762 if (meth != _meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
763 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
764 meth = _meth;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
765 if (rplan)
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
766 fftwf_destroy_plan (reinterpret_cast<fftwf_plan> (rplan));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
767 if (plan[0])
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
768 fftwf_destroy_plan (reinterpret_cast<fftwf_plan> (plan[0]));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
769 if (plan[1])
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
770 fftwf_destroy_plan (reinterpret_cast<fftwf_plan> (plan[1]));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
771 rplan = plan[0] = plan[1] = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
772 }
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
773 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
774 else
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
775 ret = UNKNOWN;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
776 return ret;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
777 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
778
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21136
diff changeset
779 template <typename T>
4775
88b638195bd1 [project @ 2004-02-16 19:57:06 by jwe]
jwe
parents: 4774
diff changeset
780 static inline void
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
781 convert_packcomplex_1d (T *out, size_t nr, size_t nc,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
782 octave_idx_type stride, octave_idx_type dist)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
783 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
784 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
786 // Fill in the missing data.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
787
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
788 for (size_t i = 0; i < nr; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
789 for (size_t j = nc/2+1; j < nc; j++)
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
790 out[j*stride + i*dist] = conj (out[(nc - j)*stride + i*dist]);
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
791
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
792 octave_quit ();
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
793 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
794
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21136
diff changeset
795 template <typename T>
4775
88b638195bd1 [project @ 2004-02-16 19:57:06 by jwe]
jwe
parents: 4774
diff changeset
796 static inline void
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
797 convert_packcomplex_Nd (T *out, const dim_vector &dv)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
798 {
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
799 size_t nc = dv(0);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
800 size_t nr = dv(1);
21660
53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents: 21603
diff changeset
801 size_t np = (dv.ndims () > 2 ? dv.numel () / nc / nr : 1);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
802 size_t nrp = nr * np;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
803 T *ptr1, *ptr2;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
804
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
805 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
806
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
807 // Create space for the missing elements.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
808
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
809 for (size_t i = 0; i < nrp; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
810 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
811 ptr1 = out + i * (nc/2 + 1) + nrp*((nc-1)/2);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
812 ptr2 = out + i * nc;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
813 for (size_t j = 0; j < nc/2+1; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
814 *ptr2++ = *ptr1++;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
815 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
816
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
817 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
818
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
819 // Fill in the missing data for the rank = 2 case directly for speed.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
820
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
821 for (size_t i = 0; i < np; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
822 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
823 for (size_t j = 1; j < nr; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
824 for (size_t k = nc/2+1; k < nc; k++)
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
825 out[k + (j + i*nr)*nc] = conj (out[nc - k + ((i+1)*nr - j)*nc]);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
826
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
827 for (size_t j = nc/2+1; j < nc; j++)
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
828 out[j + i*nr*nc] = conj (out[(i*nr+1)*nc - j]);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
829 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
830
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
831 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
832
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
833 // Now do the permutations needed for rank > 2 cases.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
834
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
835 size_t jstart = dv(0) * dv(1);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
836 size_t kstep = dv(0);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
837 size_t nel = dv.numel ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
838
21660
53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents: 21603
diff changeset
839 for (int inner = 2; inner < dv.ndims (); inner++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
840 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
841 size_t jmax = jstart * dv(inner);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
842 for (size_t i = 0; i < nel; i+=jmax)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
843 for (size_t j = jstart, jj = jmax-jstart; j < jj;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
844 j+=jstart, jj-=jstart)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
845 for (size_t k = 0; k < jstart; k+= kstep)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
846 for (size_t l = nc/2+1; l < nc; l++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
847 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
848 T tmp = out[i+ j + k + l];
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
849 out[i + j + k + l] = out[i + jj + k + l];
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
850 out[i + jj + k + l] = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
851 }
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
852 jstart = jmax;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
853 }
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
854
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
855 octave_quit ();
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
856 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
857
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
858 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
859 octave_fftw::fft (const double *in, Complex *out, size_t npts,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
860 size_t nsamples, octave_idx_type stride, octave_idx_type dist)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
861 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
862 dist = (dist < 0 ? npts : dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
863
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
864 dim_vector dv (npts, 1);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
865 void *vplan = octave_fftw_planner::create_plan (1, dv, nsamples,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
866 stride, dist, in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
867 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
868
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
869 fftw_execute_dft_r2c (plan, (const_cast<double *>(in)),
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
870 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
871
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
872 // Need to create other half of the transform.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
873
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
874 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
875
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
876 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
877 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
878
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
879 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
880 octave_fftw::fft (const Complex *in, Complex *out, size_t npts,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
881 size_t nsamples, octave_idx_type stride, octave_idx_type dist)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
882 {
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
883 dist = (dist < 0 ? npts : dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
884
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
885 dim_vector dv (npts, 1);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
886 void *vplan = octave_fftw_planner::create_plan (FFTW_FORWARD, 1, dv,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
887 nsamples, stride,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
888 dist, in, out);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
889 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
890
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
891 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
892 reinterpret_cast<fftw_complex *> (const_cast<Complex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
893 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
894
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
895 return 0;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
896 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
897
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
898 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
899 octave_fftw::ifft (const Complex *in, Complex *out, size_t npts,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
900 size_t nsamples, octave_idx_type stride,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
901 octave_idx_type dist)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
902 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
903 dist = (dist < 0 ? npts : dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
904
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
905 dim_vector dv (npts, 1);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
906 void *vplan = octave_fftw_planner::create_plan (FFTW_BACKWARD, 1, dv,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
907 nsamples, stride,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
908 dist, in, out);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
909 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
910
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
911 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
912 reinterpret_cast<fftw_complex *> (const_cast<Complex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
913 reinterpret_cast<fftw_complex *> (out));
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
914
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
915 const Complex scale = npts;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
916 for (size_t j = 0; j < nsamples; j++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
917 for (size_t i = 0; i < npts; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
918 out[i*stride + j*dist] /= scale;
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
919
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
920 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
921 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
922
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
923 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
924 octave_fftw::fftNd (const double *in, Complex *out, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
925 const dim_vector &dv)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
926 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5044
diff changeset
927 octave_idx_type dist = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
928 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
929 dist *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
930
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
931 // Fool with the position of the start of the output matrix, so that
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
932 // creating other half of the matrix won't cause cache problems.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
933
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
934 octave_idx_type offset = (dv.numel () / dv(0)) * ((dv(0) - 1) / 2);
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
935
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
936 void *vplan = octave_fftw_planner::create_plan (rank, dv, 1, 1, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
937 in, out + offset);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
938 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
939
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
940 fftw_execute_dft_r2c (plan, (const_cast<double *>(in)),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
941 reinterpret_cast<fftw_complex *> (out+ offset));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
942
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
943 // Need to create other half of the transform.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
944
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
945 convert_packcomplex_Nd (out, dv);
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
946
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
947 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
948 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
949
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
950 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
951 octave_fftw::fftNd (const Complex *in, Complex *out, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
952 const dim_vector &dv)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
953 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5044
diff changeset
954 octave_idx_type dist = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
955 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
956 dist *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
957
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
958 void *vplan = octave_fftw_planner::create_plan (FFTW_FORWARD, rank,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
959 dv, 1, 1, dist, in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
960 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
961
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
962 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
963 reinterpret_cast<fftw_complex *> (const_cast<Complex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
964 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
965
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
966 return 0;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
967 }
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
968
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
969 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
970 octave_fftw::ifftNd (const Complex *in, Complex *out, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
971 const dim_vector &dv)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
972 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5044
diff changeset
973 octave_idx_type dist = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
974 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
975 dist *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
976
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
977 void *vplan = octave_fftw_planner::create_plan (FFTW_BACKWARD, rank,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
978 dv, 1, 1, dist, in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
979 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
980
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
981 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
982 reinterpret_cast<fftw_complex *> (const_cast<Complex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
983 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
984
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
985 const size_t npts = dv.numel ();
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
986 const Complex scale = npts;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
987 for (size_t i = 0; i < npts; i++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
988 out[i] /= scale;
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
989
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
990 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
991 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
992
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
993 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
994 octave_fftw::fft (const float *in, FloatComplex *out, size_t npts,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
995 size_t nsamples, octave_idx_type stride, octave_idx_type dist)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
996 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
997 dist = (dist < 0 ? npts : dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
998
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
999 dim_vector dv (npts, 1);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1000 void *vplan = octave_float_fftw_planner::create_plan (1, dv, nsamples,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1001 stride, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1002 in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1003 fftwf_plan plan = reinterpret_cast<fftwf_plan> (vplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1004
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1005 fftwf_execute_dft_r2c (plan, (const_cast<float *>(in)),
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1006 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1007
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1008 // Need to create other half of the transform.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1009
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1010 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1011
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1012 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1013 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1014
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1015 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1016 octave_fftw::fft (const FloatComplex *in, FloatComplex *out, size_t npts,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1017 size_t nsamples, octave_idx_type stride, octave_idx_type dist)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1018 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1019 dist = (dist < 0 ? npts : dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1020
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1021 dim_vector dv (npts, 1);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1022 void *vplan = octave_float_fftw_planner::create_plan (FFTW_FORWARD, 1,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1023 dv, nsamples,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1024 stride, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1025 in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1026 fftwf_plan plan = reinterpret_cast<fftwf_plan> (vplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1027
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1028 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1029 reinterpret_cast<fftwf_complex *> (const_cast<FloatComplex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1030 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1031
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1032 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1033 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1034
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1035 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1036 octave_fftw::ifft (const FloatComplex *in, FloatComplex *out, size_t npts,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1037 size_t nsamples, octave_idx_type stride,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1038 octave_idx_type dist)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1039 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1040 dist = (dist < 0 ? npts : dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1041
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1042 dim_vector dv (npts, 1);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1043 void *vplan = octave_float_fftw_planner::create_plan (FFTW_BACKWARD, 1,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1044 dv, nsamples,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1045 stride, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1046 in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1047 fftwf_plan plan = reinterpret_cast<fftwf_plan> (vplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1048
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1049 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1050 reinterpret_cast<fftwf_complex *> (const_cast<FloatComplex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1051 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1052
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1053 const FloatComplex scale = npts;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1054 for (size_t j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1055 for (size_t i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1056 out[i*stride + j*dist] /= scale;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1057
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1058 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1059 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1060
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1061 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1062 octave_fftw::fftNd (const float *in, FloatComplex *out, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1063 const dim_vector &dv)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1064 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1065 octave_idx_type dist = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1066 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1067 dist *= dv(i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1068
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1069 // Fool with the position of the start of the output matrix, so that
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1070 // creating other half of the matrix won't cause cache problems.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1071
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1072 octave_idx_type offset = (dv.numel () / dv(0)) * ((dv(0) - 1) / 2);
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1073
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1074 void *vplan = octave_float_fftw_planner::create_plan (rank, dv, 1, 1,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1075 dist, in,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1076 out + offset);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1077 fftwf_plan plan = reinterpret_cast<fftwf_plan> (vplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1078
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1079 fftwf_execute_dft_r2c (plan, (const_cast<float *>(in)),
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1080 reinterpret_cast<fftwf_complex *> (out+ offset));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1081
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1082 // Need to create other half of the transform.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1083
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1084 convert_packcomplex_Nd (out, dv);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1085
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1086 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1087 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1088
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1089 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1090 octave_fftw::fftNd (const FloatComplex *in, FloatComplex *out, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1091 const dim_vector &dv)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1092 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1093 octave_idx_type dist = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1094 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1095 dist *= dv(i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1096
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1097 void *vplan = octave_float_fftw_planner::create_plan (FFTW_FORWARD,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1098 rank, dv, 1, 1,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1099 dist, in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1100 fftwf_plan plan = reinterpret_cast<fftwf_plan> (vplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1101
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1102 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1103 reinterpret_cast<fftwf_complex *> (const_cast<FloatComplex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1104 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1105
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1106 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1107 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1108
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1109 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1110 octave_fftw::ifftNd (const FloatComplex *in, FloatComplex *out, const int rank,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1111 const dim_vector &dv)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1112 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1113 octave_idx_type dist = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1114 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1115 dist *= dv(i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1116
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1117 void *vplan = octave_float_fftw_planner::create_plan (FFTW_BACKWARD,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1118 rank, dv, 1, 1,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1119 dist, in, out);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1120 fftwf_plan plan = reinterpret_cast<fftwf_plan> (vplan);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1121
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1122 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1123 reinterpret_cast<fftwf_complex *> (const_cast<FloatComplex *>(in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1124 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1125
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1126 const size_t npts = dv.numel ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1127 const FloatComplex scale = npts;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1128 for (size_t i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1129 out[i] /= scale;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1130
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1131 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1132 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1133
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
1134 #endif
21600
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1135
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1136 std::string
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1137 octave_fftw_version (void)
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1138 {
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1139 #if defined (HAVE_FFTW)
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1140 return fftw_version;
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1141 #else
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1142 return "none";
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1143 #endif
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1144 }
21603
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1145
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1146 std::string
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1147 octave_fftwf_version (void)
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1148 {
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1149 #if defined (HAVE_FFTW)
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1150 return fftwf_version;
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1151 #else
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1152 return "none";
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1153 #endif
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1154 }