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annotate liboctave/numeric/oct-fftw.cc @ 21893:0a6f387d18d3

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* nproc.cc, oct-fftw.cc: Use octave_num_processors_wrapper.
author John W. Eaton <jwe@octave.org>
date Tue, 14 Jun 2016 10:24:39 -0400
parents b571fc85953f
children 278fc29b69ca
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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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
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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27
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28 #include <iostream>
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29 #include <string>
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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-wrapper.h"
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44 #endif
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45
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46 #if defined (HAVE_FFTW)
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47
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48 octave_fftw_planner *octave_fftw_planner::instance = 0;
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49
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50 // Helper class to create and cache FFTW plans for both 1D and
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51 // 2D. This implementation defaults to using FFTW_ESTIMATE to create
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52 // the plans, which in theory is suboptimal, but provides quite
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53 // reasonable performance in practice.
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54
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55 // Also note that if FFTW_ESTIMATE is not used then the planner in FFTW3
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56 // will destroy the input and output arrays. We must, therefore, create a
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57 // temporary input array with the same size and 16-byte alignment as
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58 // the original array when using a different planner strategy.
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59 // Note that we also use any wisdom that is available, either in a
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60 // FFTW3 system wide file or as supplied by the user.
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61
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62 // FIXME: if we can ensure 16 byte alignment in Array<T>
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63 // (<T> *data) the FFTW3 can use SIMD instructions for further
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64 // acceleration.
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65
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66 // Note that it is profitable to store the FFTW3 plans, for small FFTs.
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67
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68 octave_fftw_planner::octave_fftw_planner (void)
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69 : meth (ESTIMATE), rplan (0), rd (0), rs (0), rr (0), rh (0), rn (),
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70 rsimd_align (false), nthreads (1)
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71 {
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72 plan[0] = plan[1] = 0;
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73 d[0] = d[1] = s[0] = s[1] = r[0] = r[1] = h[0] = h[1] = 0;
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74 simd_align[0] = simd_align[1] = false;
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75 inplace[0] = inplace[1] = false;
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76 n[0] = n[1] = dim_vector ();
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77
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78 #if defined (HAVE_FFTW3_THREADS)
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79 int init_ret = fftw_init_threads ();
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80 if (! init_ret)
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81 (*current_liboctave_error_handler) ("Error initializing FFTW threads");
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82
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83 // Use number of processors available to the current process
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84 // This can be later changed with fftw ("threads", nthreads).
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85 nthreads = octave_num_processors_wrapper (OCTAVE_NPROC_CURRENT);
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86 fftw_plan_with_nthreads (nthreads);
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87 #endif
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88
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89 // If we have a system wide wisdom file, import it.
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90 fftw_import_system_wisdom ();
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91 }
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92
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93 octave_fftw_planner::~octave_fftw_planner (void)
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94 {
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95 fftw_plan *plan_p;
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96
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97 plan_p = reinterpret_cast<fftw_plan *> (&rplan);
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98 if (*plan_p)
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99 fftw_destroy_plan (*plan_p);
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100
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101 plan_p = reinterpret_cast<fftw_plan *> (&plan[0]);
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102 if (*plan_p)
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103 fftw_destroy_plan (*plan_p);
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104
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105 plan_p = reinterpret_cast<fftw_plan *> (&plan[1]);
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106 if (*plan_p)
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107 fftw_destroy_plan (*plan_p);
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108 }
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109
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110 bool
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111 octave_fftw_planner::instance_ok (void)
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112 {
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113 bool retval = true;
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114
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115 if (! instance)
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116 {
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117 instance = new octave_fftw_planner ();
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118
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119 if (instance)
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120 singleton_cleanup_list::add (cleanup_instance);
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121 }
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122
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123 if (! instance)
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124 (*current_liboctave_error_handler)
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125 ("unable to create octave_fftw_planner object!");
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126
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127 return retval;
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128 }
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129
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130 void
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131 octave_fftw_planner::threads (int nt)
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132 {
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133 #if defined (HAVE_FFTW3_THREADS)
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134 if (instance_ok () && nt != threads ())
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135 {
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136 instance->nthreads = nt;
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137 fftw_plan_with_nthreads (nt);
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138 // Clear the current plans.
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139 instance->rplan = instance->plan[0] = instance->plan[1] = 0;
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140 }
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141 #else
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142 (*current_liboctave_warning_handler)
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143 ("unable to change number of threads without FFTW thread support");
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144 #endif
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145 }
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146
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147 #define CHECK_SIMD_ALIGNMENT(x) \
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148 (((reinterpret_cast<ptrdiff_t> (x)) & 0xF) == 0)
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149
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150 void *
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151 octave_fftw_planner::do_create_plan (int dir, const int rank,
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152 const dim_vector dims,
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153 octave_idx_type howmany,
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154 octave_idx_type stride,
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155 octave_idx_type dist,
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156 const Complex *in, Complex *out)
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157 {
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158 int which = (dir == FFTW_FORWARD) ? 0 : 1;
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159 fftw_plan *cur_plan_p = reinterpret_cast<fftw_plan *> (&plan[which]);
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160 bool create_new_plan = false;
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161 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
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162 bool ioinplace = (in == out);
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163
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164 // Don't create a new plan if we have a non SIMD plan already but
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165 // can do SIMD. This prevents endlessly recreating plans if we
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166 // change the alignment.
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167
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168 if (plan[which] == 0 || d[which] != dist || s[which] != stride
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169 || r[which] != rank || h[which] != howmany
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170 || ioinplace != inplace[which]
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171 || ((ioalign != simd_align[which]) ? ! ioalign : false))
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172 create_new_plan = true;
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173 else
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174 {
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175 // We still might not have the same shape of array.
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176
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177 for (int i = 0; i < rank; i++)
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178 if (dims(i) != n[which](i))
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179 {
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180 create_new_plan = true;
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181 break;
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182 }
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183 }
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184
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185 if (create_new_plan)
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186 {
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187 d[which] = dist;
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188 s[which] = stride;
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189 r[which] = rank;
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190 h[which] = howmany;
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191 simd_align[which] = ioalign;
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192 inplace[which] = ioinplace;
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193 n[which] = dims;
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194
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195 // Note reversal of dimensions for column major storage in FFTW.
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196 octave_idx_type nn = 1;
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197 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
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198
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199 for (int i = 0, j = rank-1; i < rank; i++, j--)
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200 {
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201 tmp[i] = dims(j);
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202 nn *= dims(j);
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203 }
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204
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205 int plan_flags = 0;
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206 bool plan_destroys_in = true;
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207
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208 switch (meth)
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209 {
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210 case UNKNOWN:
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diff changeset
211 case ESTIMATE:
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212 plan_flags |= FFTW_ESTIMATE;
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diff changeset
213 plan_destroys_in = false;
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214 break;
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diff changeset
215 case MEASURE:
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216 plan_flags |= FFTW_MEASURE;
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diff changeset
217 break;
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diff changeset
218 case PATIENT:
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219 plan_flags |= FFTW_PATIENT;
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diff changeset
220 break;
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diff changeset
221 case EXHAUSTIVE:
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222 plan_flags |= FFTW_EXHAUSTIVE;
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diff changeset
223 break;
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diff changeset
224 case HYBRID:
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diff changeset
225 if (nn < 8193)
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diff changeset
226 plan_flags |= FFTW_MEASURE;
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diff changeset
227 else
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
228 {
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diff changeset
229 plan_flags |= FFTW_ESTIMATE;
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diff changeset
230 plan_destroys_in = false;
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diff changeset
231 }
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diff changeset
232 break;
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diff changeset
233 }
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diff changeset
234
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235 if (ioalign)
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236 plan_flags &= ~FFTW_UNALIGNED;
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diff changeset
237 else
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diff changeset
238 plan_flags |= FFTW_UNALIGNED;
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diff changeset
239
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240 if (*cur_plan_p)
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diff changeset
241 fftw_destroy_plan (*cur_plan_p);
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242
6228
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diff changeset
243 if (plan_destroys_in)
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diff changeset
244 {
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
245 // Create matrix with the same size and 16-byte alignment as input
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diff changeset
246 OCTAVE_LOCAL_BUFFER (Complex, itmp, nn * howmany + 32);
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diff changeset
247 itmp = reinterpret_cast<Complex *>
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parents: 17744
diff changeset
248 (((reinterpret_cast<ptrdiff_t>(itmp) + 15) & ~ 0xF) +
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diff changeset
249 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
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diff changeset
250
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diff changeset
251 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
252 fftw_plan_many_dft (rank, tmp, howmany,
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diff changeset
253 reinterpret_cast<fftw_complex *> (itmp),
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diff changeset
254 0, stride, dist,
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diff changeset
255 reinterpret_cast<fftw_complex *> (out),
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diff changeset
256 0, stride, dist, dir, plan_flags);
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diff changeset
257 }
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diff changeset
258 else
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diff changeset
259 {
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
260 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
261 fftw_plan_many_dft (rank, tmp, howmany,
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diff changeset
262 reinterpret_cast<fftw_complex *> (const_cast<Complex *> (in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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parents: 17744
diff changeset
263 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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diff changeset
264 reinterpret_cast<fftw_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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diff changeset
265 0, stride, dist, dir, plan_flags);
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266 }
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diff changeset
267
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diff changeset
268 if (*cur_plan_p == 0)
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diff changeset
269 (*current_liboctave_error_handler) ("Error creating fftw plan");
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diff changeset
270 }
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diff changeset
271
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
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parents:
diff changeset
272 return *cur_plan_p;
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diff changeset
273 }
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diff changeset
274
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diff changeset
275 void *
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diff changeset
276 octave_fftw_planner::do_create_plan (const int rank, const dim_vector dims,
10314
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diff changeset
277 octave_idx_type howmany,
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
278 octave_idx_type stride,
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diff changeset
279 octave_idx_type dist,
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diff changeset
280 const double *in, Complex *out)
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diff changeset
281 {
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diff changeset
282 fftw_plan *cur_plan_p = reinterpret_cast<fftw_plan *> (&rplan);
3828
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diff changeset
283 bool create_new_plan = false;
4808
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diff changeset
284 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
3828
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285
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diff changeset
286 // 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
287 // 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
288 // change the alignment.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
289
4783
55975a3073be [project @ 2004-02-17 17:16:37 by jwe]
jwe
parents: 4775
diff changeset
290 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
291 || rh != howmany || ((ioalign != rsimd_align) ? ! ioalign : false))
4773
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jwe
parents: 3874
diff changeset
292 create_new_plan = true;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
293 else
4809
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jwe
parents: 4808
diff changeset
294 {
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
295 // 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
296
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
297 for (int i = 0; i < rank; i++)
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diff changeset
298 if (dims(i) != rn(i))
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diff changeset
299 {
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diff changeset
300 create_new_plan = true;
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diff changeset
301 break;
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parents: 10158
diff changeset
302 }
4809
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parents: 4808
diff changeset
303 }
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304
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
305 if (create_new_plan)
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
306 {
4773
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parents: 3874
diff changeset
307 rd = dist;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
308 rs = stride;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
309 rr = rank;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
310 rh = howmany;
4808
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diff changeset
311 rsimd_align = ioalign;
4773
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diff changeset
312 rn = dims;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
313
6228
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dbateman
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diff changeset
314 // Note reversal of dimensions for column major storage in FFTW.
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
315 octave_idx_type nn = 1;
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
316 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
317
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
318 for (int i = 0, j = rank-1; i < rank; i++, j--)
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diff changeset
319 {
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diff changeset
320 tmp[i] = dims(j);
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diff changeset
321 nn *= dims(j);
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
322 }
6228
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
323
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
324 int plan_flags = 0;
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
325 bool plan_destroys_in = true;
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
326
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12df7854fa7c strip trailing whitespace from source files
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parents: 11523
diff changeset
327 switch (meth)
10314
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parents: 10158
diff changeset
328 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
329 case UNKNOWN:
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
330 case ESTIMATE:
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
331 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
332 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
333 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
334 case MEASURE:
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
335 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
336 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
337 case PATIENT:
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
338 plan_flags |= FFTW_PATIENT;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
339 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
340 case EXHAUSTIVE:
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parents: 10158
diff changeset
341 plan_flags |= FFTW_EXHAUSTIVE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
342 break;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
343 case HYBRID:
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
344 if (nn < 8193)
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
345 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
346 else
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
347 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
348 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
349 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
350 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
351 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
352 }
6228
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
353
4808
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jwe
parents: 4788
diff changeset
354 if (ioalign)
10314
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diff changeset
355 plan_flags &= ~FFTW_UNALIGNED;
4808
a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe]
jwe
parents: 4788
diff changeset
356 else
10314
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
357 plan_flags |= FFTW_UNALIGNED;
4808
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jwe
parents: 4788
diff changeset
358
3828
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jwe
parents:
diff changeset
359 if (*cur_plan_p)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
360 fftw_destroy_plan (*cur_plan_p);
3828
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jwe
parents:
diff changeset
361
6228
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
362 if (plan_destroys_in)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
363 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
364 // 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
365 OCTAVE_LOCAL_BUFFER (double, itmp, nn + 32);
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
366 itmp = reinterpret_cast<double *>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
367 (((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
368 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
369
10314
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
370 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
371 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
372 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
373 reinterpret_cast<fftw_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
374 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
375 }
6228
aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman]
dbateman
parents: 5775
diff changeset
376 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
377 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
378 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
379 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
380 (const_cast<double *> (in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
381 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
382 reinterpret_cast<fftw_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
383 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
384 }
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
385
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
386 if (*cur_plan_p == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
387 (*current_liboctave_error_handler) ("Error creating fftw plan");
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
388 }
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 return *cur_plan_p;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
391 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
392
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
393 octave_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
394 octave_fftw_planner::do_method (void)
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 return meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
397 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
398
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
399 octave_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
400 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
401 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
402 FftwMethod ret = meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
403 if (_meth == ESTIMATE || _meth == MEASURE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
404 || _meth == PATIENT || _meth == EXHAUSTIVE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
405 || _meth == HYBRID)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
406 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
407 if (meth != _meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
408 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
409 meth = _meth;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
410 if (rplan)
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> (rplan));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
412 if (plan[0])
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[0]));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
414 if (plan[1])
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
415 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
416 rplan = plan[0] = plan[1] = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
417 }
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
418 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
419 else
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
420 ret = UNKNOWN;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
421 return ret;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
422 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
423
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
424 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
425
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
426 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
427 : 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
428 rsimd_align (false), nthreads (1)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
429 {
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David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
430 plan[0] = plan[1] = 0;
82be108cc558 First attempt at single precision tyeps
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parents: 7017
diff changeset
431 d[0] = d[1] = s[0] = s[1] = r[0] = r[1] = h[0] = h[1] = 0;
82be108cc558 First attempt at single precision tyeps
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parents: 7017
diff changeset
432 simd_align[0] = simd_align[1] = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
433 inplace[0] = inplace[1] = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
434 n[0] = n[1] = dim_vector ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
435
15960
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
436 #if defined (HAVE_FFTW3F_THREADS)
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
437 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
438 if (! init_ret)
15960
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
439 (*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
440
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
441 // 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
442 // This can be later changed with fftw ("threads", nthreads).
21893
0a6f387d18d3 * nproc.cc, oct-fftw.cc: Use octave_num_processors_wrapper.
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
443 nthreads = octave_num_processors_wrapper (OCTAVE_NPROC_CURRENT);
15960
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
444 fftwf_plan_with_nthreads (nthreads);
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
445 #endif
bde7731b2b83 added FFTW multithreaded library support
Andreas Weber <andy.weber.aw@gmail.com>
parents: 15271
diff changeset
446
7789
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David Bateman <dbateman@free.fr>
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diff changeset
447 // If we have a system wide wisdom file, import it.
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parents: 7017
diff changeset
448 fftwf_import_system_wisdom ();
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parents: 7017
diff changeset
449 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
450
14078
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
451 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
452 {
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
453 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
454
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
455 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
456 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
457 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
458
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
459 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
460 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
461 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
462
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
463 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
464 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
465 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
466 }
941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak.
Rik <octave@nomad.inbox5.com>
parents: 13994
diff changeset
467
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
468 bool
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
469 octave_float_fftw_planner::instance_ok (void)
7789
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David Bateman <dbateman@free.fr>
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 bool retval = true;
7789
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diff changeset
472
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
473 if (! instance)
13994
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 instance = new octave_float_fftw_planner ();
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
476
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
477 if (instance)
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
478 singleton_cleanup_list::add (cleanup_instance);
99f039289e95 also clean up float fftw planner
John W. Eaton <jwe@octave.org>
parents: 13983
diff changeset
479 }
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
480
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
481 if (! instance)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20955
diff changeset
482 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20955
diff changeset
483 ("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
484
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
485 return retval;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
486 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
487
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
488 void
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
489 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
490 {
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
491 #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
492 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
493 {
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
494 instance->nthreads = nt;
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
495 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
496 // Clear the current plans.
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
497 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
498 }
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
499 #else
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
500 (*current_liboctave_warning_handler)
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
501 ("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
502 #endif
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
503 }
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
504
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
505 void *
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
506 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
507 const dim_vector dims,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
508 octave_idx_type howmany,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
509 octave_idx_type stride,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
510 octave_idx_type dist,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
511 const FloatComplex *in,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
512 FloatComplex *out)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
513 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
514 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
515 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
516 bool create_new_plan = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
517 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
518 bool ioinplace = (in == out);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
519
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
520 // 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
521 // 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
522 // change the alignment.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
523
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
524 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
525 || r[which] != rank || h[which] != howmany
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
526 || ioinplace != inplace[which]
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 19697
diff changeset
527 || ((ioalign != simd_align[which]) ? ! ioalign : false))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
528 create_new_plan = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
529 else
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 // 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
532
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
533 for (int i = 0; i < rank; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
534 if (dims(i) != n[which](i))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
535 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
536 create_new_plan = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
537 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
538 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
539 }
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 if (create_new_plan)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
542 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
543 d[which] = dist;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
544 s[which] = stride;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
545 r[which] = rank;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
546 h[which] = howmany;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
547 simd_align[which] = ioalign;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
548 inplace[which] = ioinplace;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
549 n[which] = dims;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
550
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
551 // 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
552 octave_idx_type nn = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
553 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
554
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
555 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
556 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
557 tmp[i] = dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
558 nn *= dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
559 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
560
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
561 int plan_flags = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
562 bool plan_destroys_in = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
563
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
564 switch (meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
565 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
566 case UNKNOWN:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
567 case ESTIMATE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
568 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
569 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
570 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
571 case MEASURE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
572 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
573 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
574 case PATIENT:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
575 plan_flags |= FFTW_PATIENT;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
576 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
577 case EXHAUSTIVE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
578 plan_flags |= FFTW_EXHAUSTIVE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
579 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
580 case HYBRID:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
581 if (nn < 8193)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
582 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
583 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
584 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
585 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
586 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
587 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
588 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
589 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
590
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
591 if (ioalign)
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 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
594 plan_flags |= FFTW_UNALIGNED;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
595
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
596 if (*cur_plan_p)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
597 fftwf_destroy_plan (*cur_plan_p);
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
598
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
599 if (plan_destroys_in)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
600 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
601 // 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
602 OCTAVE_LOCAL_BUFFER (FloatComplex, itmp, nn * howmany + 32);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
603 itmp = reinterpret_cast<FloatComplex *>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
604 (((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
605 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
606
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
607 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
608 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
609 reinterpret_cast<fftwf_complex *> (itmp),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
610 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
611 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
612 0, stride, dist, dir, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
613 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
614 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
615 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
616 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
617 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
618 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
619 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
620 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
621 0, stride, dist, dir, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
622 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
623
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
624 if (*cur_plan_p == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
625 (*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
626 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
627
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
628 return *cur_plan_p;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
629 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
630
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
631 void *
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
632 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
633 const dim_vector dims,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
634 octave_idx_type howmany,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
635 octave_idx_type stride,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
636 octave_idx_type dist,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
637 const float *in, FloatComplex *out)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
638 {
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
639 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
640 bool create_new_plan = false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
641 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
642
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
643 // 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
644 // 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
645 // change the alignment.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
646
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
647 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
648 || rh != howmany || ((ioalign != rsimd_align) ? ! ioalign : false))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
649 create_new_plan = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
650 else
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 // 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
653
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
654 for (int i = 0; i < rank; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
655 if (dims(i) != rn(i))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
656 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
657 create_new_plan = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
658 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
659 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
660 }
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 if (create_new_plan)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
663 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
664 rd = dist;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
665 rs = stride;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
666 rr = rank;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
667 rh = howmany;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
668 rsimd_align = ioalign;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
669 rn = dims;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
670
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
671 // 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
672 octave_idx_type nn = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
673 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
674
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
675 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
676 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
677 tmp[i] = dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
678 nn *= dims(j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
679 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
680
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
681 int plan_flags = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
682 bool plan_destroys_in = true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
683
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
684 switch (meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
685 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
686 case UNKNOWN:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
687 case ESTIMATE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
688 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
689 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
690 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
691 case MEASURE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
692 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
693 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
694 case PATIENT:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
695 plan_flags |= FFTW_PATIENT;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
696 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
697 case EXHAUSTIVE:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
698 plan_flags |= FFTW_EXHAUSTIVE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
699 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
700 case HYBRID:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
701 if (nn < 8193)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
702 plan_flags |= FFTW_MEASURE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
703 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
704 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
705 plan_flags |= FFTW_ESTIMATE;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
706 plan_destroys_in = false;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
707 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
708 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
709 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
710
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
711 if (ioalign)
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 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
714 plan_flags |= FFTW_UNALIGNED;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
715
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
716 if (*cur_plan_p)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
717 fftwf_destroy_plan (*cur_plan_p);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
718
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
719 if (plan_destroys_in)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
720 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
721 // 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
722 OCTAVE_LOCAL_BUFFER (float, itmp, nn + 32);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
723 itmp = reinterpret_cast<float *>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
724 (((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
725 ((reinterpret_cast<ptrdiff_t> (in)) & 0xF));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
726
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
727 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
728 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
729 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
730 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
731 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
732 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
733 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
734 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
735 *cur_plan_p =
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
736 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
737 (const_cast<float *> (in)),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
738 0, stride, dist,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
739 reinterpret_cast<fftwf_complex *> (out),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
740 0, stride, dist, plan_flags);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
741 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
742
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
743 if (*cur_plan_p == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
744 (*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
745 }
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 return *cur_plan_p;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
748 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
749
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
750 octave_float_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
751 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
752 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
753 return meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
754 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
755
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
756 octave_float_fftw_planner::FftwMethod
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
757 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
758 {
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
759 FftwMethod ret = meth;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
760 if (_meth == ESTIMATE || _meth == MEASURE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
761 || _meth == PATIENT || _meth == EXHAUSTIVE
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
762 || _meth == HYBRID)
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
763 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
764 if (meth != _meth)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
765 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
766 meth = _meth;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
767 if (rplan)
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> (rplan));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
769 if (plan[0])
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[0]));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
771 if (plan[1])
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
772 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
773 rplan = plan[0] = plan[1] = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
774 }
9516
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
775 }
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
776 else
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
777 ret = UNKNOWN;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
778 return ret;
fb933db0c517 convert fftw planner classes to singleton objects
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
779 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
780
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21136
diff changeset
781 template <typename T>
4775
88b638195bd1 [project @ 2004-02-16 19:57:06 by jwe]
jwe
parents: 4774
diff changeset
782 static inline void
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
783 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
784 octave_idx_type stride, octave_idx_type dist)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
785 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
786 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
787
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
788 // Fill in the missing data.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
789
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
790 for (size_t i = 0; i < nr; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
791 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
792 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
793
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
794 octave_quit ();
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
795 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
796
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21136
diff changeset
797 template <typename T>
4775
88b638195bd1 [project @ 2004-02-16 19:57:06 by jwe]
jwe
parents: 4774
diff changeset
798 static inline void
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
799 convert_packcomplex_Nd (T *out, const dim_vector &dv)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
800 {
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
801 size_t nc = dv(0);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
802 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
803 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
804 size_t nrp = nr * np;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
805 T *ptr1, *ptr2;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
806
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
807 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
808
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
809 // Create space for the missing elements.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
810
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
811 for (size_t i = 0; i < nrp; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
812 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
813 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
814 ptr2 = out + i * nc;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
815 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
816 *ptr2++ = *ptr1++;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
817 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
818
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
819 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
820
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
821 // 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
822
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
823 for (size_t i = 0; i < np; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
824 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
825 for (size_t j = 1; j < nr; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
826 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
827 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
828
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
829 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
830 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
831 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
832
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
833 octave_quit ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
834
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
835 // Now do the permutations needed for rank > 2 cases.
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
836
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
837 size_t jstart = dv(0) * dv(1);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
838 size_t kstep = dv(0);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
839 size_t nel = dv.numel ();
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
840
21660
53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents: 21603
diff changeset
841 for (int inner = 2; inner < dv.ndims (); inner++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
842 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
843 size_t jmax = jstart * dv(inner);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
844 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
845 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
846 j+=jstart, jj-=jstart)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
847 for (size_t k = 0; k < jstart; k+= kstep)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
848 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
849 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
850 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
851 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
852 out[i + jj + k + l] = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
853 }
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
854 jstart = jmax;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
855 }
4785
d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe]
jwe
parents: 4784
diff changeset
856
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
857 octave_quit ();
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
858 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
859
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
860 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
861 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
862 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
863 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
864 dist = (dist < 0 ? npts : dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
865
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
866 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
867 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
868 stride, dist, in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
869 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
870
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
871 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
872 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
873
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
874 // Need to create other half of the transform.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
875
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
876 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
3828
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 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
879 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
880
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
881 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
882 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
883 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
884 {
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
885 dist = (dist < 0 ? npts : dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
886
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
887 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
888 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
889 nsamples, stride,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
890 dist, in, out);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
891 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
892
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
893 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
894 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
895 reinterpret_cast<fftw_complex *> (out));
4773
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 return 0;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
898 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
899
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
900 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
901 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
902 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
903 octave_idx_type dist)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
904 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
905 dist = (dist < 0 ? npts : dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
906
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
907 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
908 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
909 nsamples, stride,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
910 dist, in, out);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
911 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
912
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
913 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
914 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
915 reinterpret_cast<fftw_complex *> (out));
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
916
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
917 const Complex scale = npts;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
918 for (size_t j = 0; j < nsamples; j++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
919 for (size_t i = 0; i < npts; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
920 out[i*stride + j*dist] /= scale;
3828
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 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
923 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
924
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
925 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
926 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
927 const dim_vector &dv)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
928 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5044
diff changeset
929 octave_idx_type dist = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
930 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
931 dist *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
932
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
933 // 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
934 // 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
935
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
936 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
937
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
938 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
939 in, out + offset);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
940 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
941
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
942 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
943 reinterpret_cast<fftw_complex *> (out+ offset));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
944
4809
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
945 // Need to create other half of the transform.
b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe]
jwe
parents: 4808
diff changeset
946
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
947 convert_packcomplex_Nd (out, dv);
3828
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 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
950 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
951
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
952 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
953 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
954 const dim_vector &dv)
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
955 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5044
diff changeset
956 octave_idx_type dist = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
957 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
958 dist *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
959
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
960 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
961 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
962 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
963
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
964 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
965 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
966 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
967
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
968 return 0;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
969 }
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
970
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
971 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
972 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
973 const dim_vector &dv)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
974 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5044
diff changeset
975 octave_idx_type dist = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
976 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
977 dist *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
978
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
979 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
980 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
981 fftw_plan plan = reinterpret_cast<fftw_plan> (vplan);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
982
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
983 fftw_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
984 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
985 reinterpret_cast<fftw_complex *> (out));
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
986
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
987 const size_t npts = dv.numel ();
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
988 const Complex scale = npts;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
989 for (size_t i = 0; i < npts; i++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 3874
diff changeset
990 out[i] /= scale;
3828
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 return 0;
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
993 }
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
994
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
995 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
996 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
997 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
998 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
999 dist = (dist < 0 ? npts : dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1000
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1001 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
1002 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
1003 stride, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1004 in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1005 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
1006
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1007 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
1008 reinterpret_cast<fftwf_complex *> (out));
7789
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 // Need to create other half of the transform.
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 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
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 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1015 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1016
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1017 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1018 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
1019 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
1020 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1021 dist = (dist < 0 ? npts : dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1022
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1023 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
1024 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
1025 dv, nsamples,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1026 stride, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1027 in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1028 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
1029
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1030 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1031 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
1032 reinterpret_cast<fftwf_complex *> (out));
7789
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 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1035 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1036
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1037 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1038 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
1039 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
1040 octave_idx_type dist)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1041 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1042 dist = (dist < 0 ? npts : dist);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1043
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1044 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
1045 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
1046 dv, nsamples,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1047 stride, dist,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1048 in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1049 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
1050
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1051 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1052 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
1053 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1054
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1055 const FloatComplex scale = npts;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1056 for (size_t j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1057 for (size_t i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1058 out[i*stride + j*dist] /= scale;
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 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1061 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1062
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1063 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1064 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
1065 const dim_vector &dv)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1066 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1067 octave_idx_type dist = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1068 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1069 dist *= dv(i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1070
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1071 // 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
1072 // 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
1073
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1074 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
1075
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1076 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
1077 dist, in,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1078 out + offset);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1079 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
1080
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1081 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
1082 reinterpret_cast<fftwf_complex *> (out+ offset));
7789
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 // Need to create other half of the transform.
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 convert_packcomplex_Nd (out, dv);
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 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1089 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1090
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1091 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1092 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
1093 const dim_vector &dv)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1094 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1095 octave_idx_type dist = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1096 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1097 dist *= dv(i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1098
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1099 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
1100 rank, dv, 1, 1,
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1101 dist, in, out);
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1102 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
1103
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1104 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1105 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
1106 reinterpret_cast<fftwf_complex *> (out));
7789
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 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1109 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1110
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1111 int
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1112 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
1113 const dim_vector &dv)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1114 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1115 octave_idx_type dist = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1116 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1117 dist *= dv(i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1118
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1119 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
1120 rank, dv, 1, 1,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1121 dist, in, out);
21451
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027)
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
1122 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
1123
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1124 fftwf_execute_dft (plan,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1125 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
1126 reinterpret_cast<fftwf_complex *> (out));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1127
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1128 const size_t npts = dv.numel ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1129 const FloatComplex scale = npts;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1130 for (size_t i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1131 out[i] /= scale;
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 return 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1134 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
1135
3828
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe]
jwe
parents:
diff changeset
1136 #endif
21600
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1137
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1138 std::string
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1139 octave_fftw_version (void)
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1140 {
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1141 #if defined (HAVE_FFTW)
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1142 return fftw_version;
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1143 #else
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1144 return "none";
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1145 #endif
184b85b31e03 more updates for version function
mmuetzel <markus.muetzel@gmx.de>
parents: 21520
diff changeset
1146 }
21603
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1147
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1148 std::string
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1149 octave_fftwf_version (void)
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1150 {
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1151 #if defined (HAVE_FFTW)
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1152 return fftwf_version;
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1153 #else
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1154 return "none";
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1155 #endif
37cbdf7bffa9 Add fftwf_version (bug #45659)
mmuetzel <markus.muetzel@gmx.de>
parents: 21600
diff changeset
1156 }