Mercurial > octave
annotate libinterp/dldfcn/fftw.cc @ 21724:aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
* configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc,
ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc,
GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc,
MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc,
ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc,
PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc,
ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc,
octave-txt-lexer.cc, main-window.cc, octave-cmd.cc,
octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc,
workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc,
__lin_interpn__.cc, __luinc__.cc, __magick_read__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc,
bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc,
error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc,
file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc,
gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc,
help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h,
jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc,
load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h,
mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc,
oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll,
oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc,
pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc,
pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c,
siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc,
sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc,
time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc,
urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc,
xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc,
__fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc,
audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc,
convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc,
ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc,
ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc,
ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc,
ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc,
ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc,
ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc,
ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h,
op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc,
op-bm-sbm.cc, op-cdm-cdm.cc, op-cdm-cm.cc, op-cdm-dm.cc,
op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc,
op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc,
op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-cdm.cc, op-dm-cm.cc,
op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc,
op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc,
op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc,
op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc,
op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc,
op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc,
op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc,
op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc,
op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc,
op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc,
op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc,
op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc,
op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc,
lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc,
pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc,
pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc,
pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc,
pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc,
pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc,
version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc,
Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc,
Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc,
CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc,
CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc,
MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc,
MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc,
Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc,
chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc,
dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc,
dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc,
fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc,
int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc,
uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc,
f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h,
liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc,
chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc,
lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc,
oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc,
randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk,
mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc,
mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc,
kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc,
oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h,
oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h,
oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc,
statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc,
acinclude.m4, display-available.c, display-available.h, main-cli.cc,
main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc,
octave-config.in.cc, shared-fcns.h:
Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 17 May 2016 12:09:30 -0400 |
parents | 263d18409fdf |
children | 112b20240c87 |
rev | line source |
---|---|
6228 | 1 /* |
2 | |
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3 Copyright (C) 2006-2015 David Bateman |
6228 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
6228 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
6228 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
6228 | 25 #endif |
26 | |
27 #include <algorithm> | |
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28 |
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29 #if defined (HAVE_FFTW3_H) |
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30 # include <fftw3.h> |
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31 #endif |
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32 |
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33 #include "oct-fftw.h" |
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34 |
6228 | 35 #include "defun-dld.h" |
36 #include "error.h" | |
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37 #include "ov.h" |
6228 | 38 |
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39 #include "errwarn.h" |
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40 |
6228 | 41 DEFUN_DLD (fftw, args, , |
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42 "-*- texinfo -*-\n\ |
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43 @deftypefn {} {@var{method} =} fftw (\"planner\")\n\ |
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44 @deftypefnx {} {} fftw (\"planner\", @var{method})\n\ |
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45 @deftypefnx {} {@var{wisdom} =} fftw (\"dwisdom\")\n\ |
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46 @deftypefnx {} {} fftw (\"dwisdom\", @var{wisdom})\n\ |
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47 @deftypefnx {} {} fftw (\"threads\", @var{nthreads})\n\ |
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48 @deftypefnx {} {@var{nthreads} =} fftw (\"threads\")\n\ |
6228 | 49 \n\ |
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50 Manage @sc{fftw} wisdom data.\n\ |
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51 \n\ |
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52 Wisdom data can be used to significantly accelerate the calculation of the\n\ |
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53 FFTs, but implies an initial cost in its calculation. When the @sc{fftw}\n\ |
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54 libraries are initialized, they read a system wide wisdom file (typically in\n\ |
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55 @file{/etc/fftw/wisdom}), allowing wisdom to be shared between applications\n\ |
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56 other than Octave. Alternatively, the @code{fftw} function can be used to\n\ |
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57 import wisdom. For example,\n\ |
6228 | 58 \n\ |
59 @example\n\ | |
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60 @var{wisdom} = fftw (\"dwisdom\")\n\ |
6228 | 61 @end example\n\ |
62 \n\ | |
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63 @noindent\n\ |
6228 | 64 will save the existing wisdom used by Octave to the string @var{wisdom}.\n\ |
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65 This string can then be saved to a file and restored using the @code{save}\n\ |
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66 and @code{load} commands respectively. This existing wisdom can be\n\ |
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67 re-imported as follows\n\ |
6228 | 68 \n\ |
69 @example\n\ | |
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70 fftw (\"dwisdom\", @var{wisdom})\n\ |
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71 @end example\n\ |
6228 | 72 \n\ |
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73 If @var{wisdom} is an empty string, then the wisdom used is cleared.\n\ |
6228 | 74 \n\ |
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75 During the calculation of Fourier transforms further wisdom is generated.\n\ |
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76 The fashion in which this wisdom is generated is also controlled by\n\ |
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77 the @code{fftw} function. There are five different manners in which the\n\ |
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78 wisdom can be treated:\n\ |
6228 | 79 \n\ |
80 @table @asis\n\ | |
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81 @item @qcode{\"estimate\"}\n\ |
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82 Specifies that no run-time measurement of the optimal means of\n\ |
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84 to pick a (probably sub-optimal) plan. The advantage of this method is\n\ |
6228 | 85 that there is little or no overhead in the generation of the plan, which\n\ |
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86 is appropriate for a Fourier transform that will be calculated once.\n\ |
6228 | 87 \n\ |
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88 @item @qcode{\"measure\"}\n\ |
6228 | 89 In this case a range of algorithms to perform the transform is considered\n\ |
90 and the best is selected based on their execution time.\n\ | |
91 \n\ | |
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92 @item @qcode{\"patient\"}\n\ |
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93 Similar to @qcode{\"measure\"}, but a wider range of algorithms is\n\ |
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94 considered.\n\ |
6228 | 95 \n\ |
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96 @item @qcode{\"exhaustive\"}\n\ |
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97 Like @qcode{\"measure\"}, but all possible algorithms that may be used to\n\ |
6228 | 98 treat the transform are considered.\n\ |
99 \n\ | |
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100 @item @qcode{\"hybrid\"}\n\ |
6228 | 101 As run-time measurement of the algorithm can be expensive, this is a\n\ |
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102 compromise where @qcode{\"measure\"} is used for transforms up to the size\n\ |
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103 of 8192 and beyond that the @qcode{\"estimate\"} method is used.\n\ |
6228 | 104 @end table\n\ |
105 \n\ | |
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106 The default method is @qcode{\"estimate\"}. The current method can\n\ |
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107 be queried with\n\ |
6228 | 108 \n\ |
109 @example\n\ | |
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110 @var{method} = fftw (\"planner\")\n\ |
6228 | 111 @end example\n\ |
112 \n\ | |
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113 @noindent\n\ |
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114 or set by using\n\ |
6228 | 115 \n\ |
116 @example\n\ | |
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117 fftw (\"planner\", @var{method})\n\ |
6228 | 118 @end example\n\ |
119 \n\ | |
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120 Note that calculated wisdom will be lost when restarting Octave. However,\n\ |
6228 | 121 the wisdom data can be reloaded if it is saved to a file as described\n\ |
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122 above. Saved wisdom files should not be used on different platforms since\n\ |
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123 they will not be efficient and the point of calculating the wisdom is lost.\n\ |
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124 \n\ |
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125 The number of threads used for computing the plans and executing the\n\ |
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126 transforms can be set with\n\ |
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127 \n\ |
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128 @example\n\ |
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129 fftw (\"threads\", @var{NTHREADS})\n\ |
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130 @end example\n\ |
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131 \n\ |
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132 Note that octave must be compiled with multi-threaded @sc{fftw} support for\n\ |
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133 this feature. The number of processors available to the current process is\n\ |
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134 used per default.\n\ |
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135 \n\ |
6228 | 136 @seealso{fft, ifft, fft2, ifft2, fftn, ifftn}\n\ |
137 @end deftypefn") | |
138 { | |
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139 #if defined (HAVE_FFTW) |
6228 | 140 |
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141 int nargin = args.length (); |
6228 | 142 |
143 if (nargin < 1 || nargin > 2) | |
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144 print_usage (); |
6228 | 145 |
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146 octave_value retval; |
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147 |
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148 std::string arg0 = args(0).xstring_value ("fftw: first argument must be a string"); |
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149 |
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150 if (arg0 == "planner") |
6228 | 151 { |
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152 if (nargin == 2) // planner setter |
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153 { |
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154 // Use STL function to convert to lower case |
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155 std::transform (arg0.begin (), arg0.end (), arg0.begin (), tolower); |
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156 |
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157 std::string arg1 = args(1).xstring_value ("fftw: METHOD must be a string"); |
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158 |
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159 std::transform (arg1.begin (), arg1.end (), arg1.begin (), tolower); |
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160 octave_fftw_planner::FftwMethod meth |
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161 = octave_fftw_planner::UNKNOWN; |
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162 octave_float_fftw_planner::FftwMethod methf |
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163 = octave_float_fftw_planner::UNKNOWN; |
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164 |
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165 if (arg1 == "estimate") |
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166 { |
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167 meth = octave_fftw_planner::ESTIMATE; |
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168 methf = octave_float_fftw_planner::ESTIMATE; |
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169 } |
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170 else if (arg1 == "measure") |
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171 { |
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172 meth = octave_fftw_planner::MEASURE; |
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173 methf = octave_float_fftw_planner::MEASURE; |
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174 } |
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175 else if (arg1 == "patient") |
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176 { |
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177 meth = octave_fftw_planner::PATIENT; |
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178 methf = octave_float_fftw_planner::PATIENT; |
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179 } |
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180 else if (arg1 == "exhaustive") |
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181 { |
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182 meth = octave_fftw_planner::EXHAUSTIVE; |
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183 methf = octave_float_fftw_planner::EXHAUSTIVE; |
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184 } |
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185 else if (arg1 == "hybrid") |
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186 { |
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187 meth = octave_fftw_planner::HYBRID; |
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188 methf = octave_float_fftw_planner::HYBRID; |
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189 } |
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190 else |
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191 error ("fftw: unrecognized planner METHOD"); |
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192 |
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193 meth = octave_fftw_planner::method (meth); |
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194 octave_float_fftw_planner::method (methf); |
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195 |
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196 if (meth == octave_fftw_planner::MEASURE) |
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197 retval = octave_value ("measure"); |
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198 else if (meth == octave_fftw_planner::PATIENT) |
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199 retval = octave_value ("patient"); |
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200 else if (meth == octave_fftw_planner::EXHAUSTIVE) |
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201 retval = octave_value ("exhaustive"); |
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202 else if (meth == octave_fftw_planner::HYBRID) |
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203 retval = octave_value ("hybrid"); |
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204 else |
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205 retval = octave_value ("estimate"); |
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206 } |
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207 else //planner getter |
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208 { |
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209 octave_fftw_planner::FftwMethod meth = |
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210 octave_fftw_planner::method (); |
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211 |
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212 if (meth == octave_fftw_planner::MEASURE) |
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213 retval = octave_value ("measure"); |
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214 else if (meth == octave_fftw_planner::PATIENT) |
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215 retval = octave_value ("patient"); |
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216 else if (meth == octave_fftw_planner::EXHAUSTIVE) |
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217 retval = octave_value ("exhaustive"); |
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218 else if (meth == octave_fftw_planner::HYBRID) |
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219 retval = octave_value ("hybrid"); |
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220 else |
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221 retval = octave_value ("estimate"); |
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222 } |
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223 } |
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224 else if (arg0 == "dwisdom") |
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225 { |
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226 if (nargin == 2) //dwisdom setter |
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227 { |
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228 // Use STL function to convert to lower case |
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229 std::transform (arg0.begin (), arg0.end (), arg0.begin (), |
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230 tolower); |
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231 |
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232 std::string arg1 = args(1).xstring_value ("fftw: WISDOM must be a string"); |
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233 |
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234 char *str = fftw_export_wisdom_to_string (); |
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235 std::string wisdom_str (str); |
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236 free (str); |
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237 |
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238 if (arg1.length () < 1) |
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239 fftw_forget_wisdom (); |
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240 else if (! fftw_import_wisdom_from_string (arg1.c_str ())) |
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241 error ("fftw: could not import supplied WISDOM"); |
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242 |
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243 retval = octave_value (wisdom_str); |
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244 } |
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245 else //dwisdom getter |
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246 { |
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247 char *str = fftw_export_wisdom_to_string (); |
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248 std::string wisdom_str (str); |
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249 free (str); |
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250 retval = octave_value (wisdom_str); |
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251 } |
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252 } |
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253 else if (arg0 == "swisdom") |
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254 { |
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255 //swisdom uses fftwf_ functions (float), dwisdom fftw_ (real) |
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256 if (nargin == 2) //swisdom setter |
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257 { |
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258 // Use STL function to convert to lower case |
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259 std::transform (arg0.begin (), arg0.end (), arg0.begin (), |
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260 tolower); |
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261 |
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262 std::string arg1 = args(1).xstring_value ("fftw: WISDOM must be a string"); |
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263 |
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264 char *str = fftwf_export_wisdom_to_string (); |
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265 std::string wisdom_str (str); |
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266 free (str); |
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267 |
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268 if (arg1.length () < 1) |
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269 fftwf_forget_wisdom (); |
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270 else if (! fftwf_import_wisdom_from_string (arg1.c_str ())) |
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271 error ("fftw: could not import supplied WISDOM"); |
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272 |
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273 retval = octave_value (wisdom_str); |
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274 } |
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275 else //swisdom getter |
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276 { |
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277 char *str = fftwf_export_wisdom_to_string (); |
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278 std::string wisdom_str (str); |
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279 free (str); |
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280 retval = octave_value (wisdom_str); |
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281 } |
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282 } |
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283 else if (arg0 == "threads") |
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284 { |
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285 if (nargin == 2) //threads setter |
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286 { |
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287 if (! args(1).is_real_scalar ()) |
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288 error ("fftw: setting threads needs one integer argument"); |
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289 |
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290 int nthreads = args(1).int_value(); |
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291 if (nthreads < 1) |
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292 error ("fftw: number of threads must be >=1"); |
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293 |
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294 #if defined (HAVE_FFTW3_THREADS) |
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295 octave_fftw_planner::threads (nthreads); |
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296 #else |
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297 err_disabled_feature ("fftw", "multithreaded FFTW"); |
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298 #endif |
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299 #if defined (HAVE_FFTW3F_THREADS) |
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300 octave_float_fftw_planner::threads (nthreads); |
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301 #else |
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302 err_disabled_feature ("fftw", "multithreaded FFTW"); |
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303 #endif |
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304 } |
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305 else //threads getter |
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306 #if defined (HAVE_FFTW3_THREADS) |
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307 retval = octave_value (octave_fftw_planner::threads()); |
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308 #else |
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309 retval = 1; |
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310 #endif |
6228 | 311 } |
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312 else |
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313 error ("fftw: unrecognized argument"); |
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314 |
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315 return retval; |
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316 |
6228 | 317 #else |
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318 |
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319 octave_unused_parameter (args); |
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320 |
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321 err_disabled_feature ("fftw", "the FFTW3 planner"); |
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322 |
6228 | 323 #endif |
324 } | |
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325 |
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326 /* |
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327 %!testif HAVE_FFTW |
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328 %! def_method = fftw ("planner"); |
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329 %! unwind_protect |
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330 %! method = "estimate"; |
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331 %! fftw ("planner", method); |
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332 %! assert (fftw ("planner"), method); |
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333 %! method = "measure"; |
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334 %! fftw ("planner", method); |
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335 %! assert (fftw ("planner"), method); |
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336 %! method = "patient"; |
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337 %! fftw ("planner", method); |
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338 %! assert (fftw ("planner"), method); |
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339 %! method = "exhaustive"; |
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340 %! fftw ("planner", method); |
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341 %! assert (fftw ("planner"), method); |
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342 %! method = "hybrid"; |
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343 %! fftw ("planner", method); |
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344 %! assert (fftw ("planner"), method); |
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345 %! unwind_protect_cleanup |
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346 %! fftw ("planner", def_method); |
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347 %! end_unwind_protect |
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348 |
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349 %!testif HAVE_FFTW |
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350 %! def_dwisdom = fftw ("dwisdom"); |
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351 %! def_swisdom = fftw ("swisdom"); |
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352 %! unwind_protect |
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353 %! wisdom = fftw ("dwisdom"); |
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354 %! assert (ischar (wisdom)); |
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355 %! fftw ("dwisdom", wisdom); |
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356 %! assert (fftw ("dwisdom"), wisdom); |
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357 %! wisdom = fftw ("swisdom"); |
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358 %! assert (ischar (wisdom)); |
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359 %! fftw ("swisdom", wisdom); |
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360 %! assert (fftw ("swisdom"), wisdom); |
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361 %! unwind_protect_cleanup |
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362 %! fftw ("dwisdom", def_dwisdom); |
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363 %! fftw ("swisdom", def_swisdom); |
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364 %! end_unwind_protect |
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365 |
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366 %!testif HAVE_FFTW3_THREADS |
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367 %! n = fftw ("threads"); |
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368 %! unwind_protect |
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369 %! fftw ("threads", 3); |
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370 %! assert (fftw ("threads"), 3); |
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371 %! unwind_protect_cleanup |
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372 %! fftw ("threads", n); |
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373 %! end_unwind_protect |
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374 |
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375 %!error <Invalid call to fftw> fftw () |
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376 %!error <Invalid call to fftw> fftw ("planner", "estimate", "measure") |
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377 %!error fftw (3) |
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378 %!error fftw ("invalid") |
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379 %!error fftw ("planner", "invalid") |
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380 %!error fftw ("planner", 2) |
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381 %!error fftw ("dwisdom", "invalid") |
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382 %!error fftw ("swisdom", "invalid") |
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383 %!error fftw ("threads", "invalid") |
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384 %!error fftw ("threads", -3) |
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385 */ |