octave: liboctave/numeric/oct-fftw.cc annotate

annotate liboctave/numeric/oct-fftw.cc @ 30102:eb10871a5882

maint: use "m_" prefix for member variables in class fftw_planner. * oct-fftw.cc, oct-fftw.h: use "m_" prefix for member variables in class fftw_planner.

author	Rik <rik@octave.org>
date	Wed, 01 Sep 2021 13:32:43 -0700
parents	aef11bb4e6d1
children	796f54d4ddbf

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
29358 0a5b15007766 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 27933 diff changeset	3 // Copyright (C) 2001-2021 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21688 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21202 diff changeset	27 # include "config.h"
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	28 #endif
adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	29
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	30 #if defined (HAVE_FFTW3_H)
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	31 # include <fftw3.h>
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	32 #endif
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	33
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4785 diff changeset	34 #include "lo-error.h"
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	35 #include "oct-fftw.h"
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23457 diff changeset	36 #include "oct-locbuf.h"
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4785 diff changeset	37 #include "quit.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	38 #include "singleton-cleanup.h"
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	39
21520 e1c921322ba2 Fix configuration conditions in oct-fftw.cc Mike Miller <mtmiller@octave.org> parents: 21451 diff changeset	40 #if defined (HAVE_FFTW3_THREADS) \|\| defined (HAVE_FFTW3F_THREADS)
21893 0a6f387d18d3 * nproc.cc, oct-fftw.cc: Use octave_num_processors_wrapper. John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	41 # include "nproc-wrapper.h"
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	42 #endif
bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	43
23062 9ca0829b160e fix editing error in previous change to oct-fftw.cc (bug #50070) John W. Eaton <jwe@octave.org> parents: 23058 diff changeset	44 namespace octave
9ca0829b160e fix editing error in previous change to oct-fftw.cc (bug #50070) John W. Eaton <jwe@octave.org> parents: 23058 diff changeset	45 {
21688 68ab693d16e4 * oct-fftw.cc: Allow compilation without FFTW. John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	46 #if defined (HAVE_FFTW)
68ab693d16e4 * oct-fftw.cc: Allow compilation without FFTW. John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	47
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	48 fftw_planner *fftw_planner::s_instance = nullptr;
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	49
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	50 // Helper class to create and cache FFTW plans for both 1D and
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	51 // 2D. This implementation defaults to using FFTW_ESTIMATE to create
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	52 // the plans, which in theory is suboptimal, but provides quite
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	53 // reasonable performance in practice.
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	54
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	55 // Also note that if FFTW_ESTIMATE is not used then the planner in FFTW3
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	56 // will destroy the input and output arrays. We must, therefore, create a
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	57 // temporary input array with the same size and 16-byte alignment as
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	58 // the original array when using a different planner strategy.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	59 // Note that we also use any wisdom that is available, either in a
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	60 // FFTW3 system wide file or as supplied by the user.
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	61
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	62 // FIXME: if we can ensure 16 byte alignment in Array<T>
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	63 // (<T> *data) the FFTW3 can use SIMD instructions for further
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	64 // acceleration.
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	65
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	66 // Note that it is profitable to store the FFTW3 plans, for small FFTs.
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	67
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	68 fftw_planner::fftw_planner (void)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	69 : m_meth (ESTIMATE), m_rplan (nullptr), m_rd (0), m_rs (0), m_rr (0),
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	70 m_rh (0), m_rn (), m_rsimd_align (false), m_nthreads (1)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	71 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	72 m_plan[0] = m_plan[1] = nullptr;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	73 m_d[0] = m_d[1] = m_s[0] = m_s[1] = m_r[0] = m_r[1] = m_h[0] = m_h[1] = 0;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	74 m_simd_align[0] = m_simd_align[1] = false;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	75 m_inplace[0] = m_inplace[1] = false;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	76 m_n[0] = m_n[1] = dim_vector ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	77
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	78 #if defined (HAVE_FFTW3_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	79 int init_ret = fftw_init_threads ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	80 if (! init_ret)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	81 (*current_liboctave_error_handler) ("Error initializing FFTW threads");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20955 diff changeset	82
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	83 // Use number of processors available to the current process
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	84 // This can be later changed with fftw ("threads", nthreads).
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	85 m_nthreads =
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	86 octave_num_processors_wrapper (OCTAVE_NPROC_CURRENT_OVERRIDABLE);
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	87
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	88 fftw_plan_with_nthreads (m_nthreads);
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	89 #endif
bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	90
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	91 // If we have a system wide wisdom file, import it.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	92 fftw_import_system_wisdom ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	93 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	94
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	95 fftw_planner::~fftw_planner (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	96 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	97 fftw_plan *plan_p;
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	98
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	99 plan_p = reinterpret_cast<fftw_plan *> (&m_rplan);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	100 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	101 fftw_destroy_plan (*plan_p);
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	102
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	103 plan_p = reinterpret_cast<fftw_plan *> (&m_plan[0]);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	104 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	105 fftw_destroy_plan (*plan_p);
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	106
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	107 plan_p = reinterpret_cast<fftw_plan *> (&m_plan[1]);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	108 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	109 fftw_destroy_plan (*plan_p);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	110 }
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	111
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	112 bool
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	113 fftw_planner::instance_ok (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	114 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	115 bool retval = true;
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	116
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	117 if (! s_instance)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	118 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	119 s_instance = new fftw_planner ();
26369 0249ba4c9589 Fix static analyzer detected V668 issues (bug #55347). Andreas Weber <octave@josoansi.de> parents: 26148 diff changeset	120 singleton_cleanup_list::add (cleanup_instance);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	121 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	122
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	123 return retval;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	124 }
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	125
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	126 void
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	127 fftw_planner::threads (int nt)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	128 {
21520 e1c921322ba2 Fix configuration conditions in oct-fftw.cc Mike Miller <mtmiller@octave.org> parents: 21451 diff changeset	129 #if defined (HAVE_FFTW3_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	130 if (instance_ok () && nt != threads ())
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	131 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	132 s_instance->m_nthreads = nt;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	133 fftw_plan_with_nthreads (nt);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	134 // Clear the current plans.
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	135 s_instance->m_rplan = nullptr;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	136 s_instance->m_plan[0] = s_instance->m_plan[1] = nullptr;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	137 }
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	138 #else
26148 8c72f0345ee8 maint: Silence compiler warnings about unused or too many parameters. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 25688 diff changeset	139 octave_unused_parameter (nt);
8c72f0345ee8 maint: Silence compiler warnings about unused or too many parameters. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 25688 diff changeset	140
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	141 (*current_liboctave_warning_handler)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	142 ("unable to change number of threads without FFTW thread support");
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	143 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	144 }
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	145
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	146 #define CHECK_SIMD_ALIGNMENT(x) \
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	147 (((reinterpret_cast<std::ptrdiff_t> (x)) & 0xF) == 0)
4808 a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe] jwe parents: 4788 diff changeset	148
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	149 void *
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	150 fftw_planner::do_create_plan (int dir, const int rank,
23440 f15f0d8b78c8 pass dim_vector as const reference, not by value John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	151 const dim_vector& dims,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	152 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	153 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	154 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	155 const Complex in, Complex out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	156 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	157 int which = (dir == FFTW_FORWARD) ? 0 : 1;
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	158 fftw_plan cur_plan_p = reinterpret_cast<fftw_plan > (&m_plan[which]);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	159 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	160 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	161 bool ioinplace = (in == out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	162
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	163 // Don't create a new plan if we have a non SIMD plan already but
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	164 // can do SIMD. This prevents endlessly recreating plans if we
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	165 // change the alignment.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	166
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	167 if (m_plan[which] == nullptr \|\| m_d[which] != dist \|\| m_s[which] != stride
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	168 \|\| m_r[which] != rank \|\| m_h[which] != howmany
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	169 \|\| ioinplace != m_inplace[which]
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	170 \|\| ((ioalign != m_simd_align[which]) ? ! ioalign : false))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	171 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	172 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	173 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	174 // We still might not have the same shape of array.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	175
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	176 for (int i = 0; i < rank; i++)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	177 if (dims(i) != m_n[which](i))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	178 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	179 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	180 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	181 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	182 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	183
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	184 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	185 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	186 m_d[which] = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	187 m_s[which] = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	188 m_r[which] = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	189 m_h[which] = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	190 m_simd_align[which] = ioalign;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	191 m_inplace[which] = ioinplace;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	192 m_n[which] = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	193
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	194 // Note reversal of dimensions for column major storage in FFTW.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	195 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	196 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	197
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	198 for (int i = 0, j = rank-1; i < rank; i++, j--)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	199 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	200 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	201 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	202 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	203
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	204 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	205 bool plan_destroys_in = true;
4809 b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe] jwe parents: 4808 diff changeset	206
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	207 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	208 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	209 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	210 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	211 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	212 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	213 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	214 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	215 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	216 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	217 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	218 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	219 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	220 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	221 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	222 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	223 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	224 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	225 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	226 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	227 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	228 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	229 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	230 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	231 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	232 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	233
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	234 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	235 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	236 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	237 plan_flags \|= FFTW_UNALIGNED;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	238
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	239 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	240 fftw_destroy_plan (*cur_plan_p);
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	241
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	242 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	243 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	244 // Create matrix with the same size and 16-byte alignment as input
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	245 OCTAVE_LOCAL_BUFFER (Complex, itmp, nn * howmany + 32);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	246 itmp = reinterpret_cast<Complex *>
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	247 (((reinterpret_cast<std::ptrdiff_t> (itmp) + 15) & ~ 0xF) +
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	248 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	249
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	250 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	251 = fftw_plan_many_dft (rank, tmp, howmany,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	252 reinterpret_cast<fftw_complex *> (itmp),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	253 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	254 reinterpret_cast<fftw_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	255 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	256 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	257 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	258 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	259 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	260 = fftw_plan_many_dft (rank, tmp, howmany,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	261 reinterpret_cast<fftw_complex > (const_cast<Complex > (in)),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	262 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	263 reinterpret_cast<fftw_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	264 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	265 }
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	266
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	267 if (*cur_plan_p == nullptr)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	268 (*current_liboctave_error_handler) ("Error creating FFTW plan");
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	269 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	270
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	271 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	272 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	273
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	274 void *
23440 f15f0d8b78c8 pass dim_vector as const reference, not by value John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	275 fftw_planner::do_create_plan (const int rank, const dim_vector& dims,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	276 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	277 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	278 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	279 const double in, Complex out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	280 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	281 fftw_plan cur_plan_p = reinterpret_cast<fftw_plan > (&m_rplan);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	282 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	283 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	284
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	285 // Don't create a new plan if we have a non SIMD plan already but
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	286 // can do SIMD. This prevents endlessly recreating plans if we
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	287 // change the alignment.
4808 a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe] jwe parents: 4788 diff changeset	288
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	289 if (m_rplan == nullptr \|\| m_rd != dist \|\| m_rs != stride \|\| m_rr != rank
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	290 \|\| m_rh != howmany \|\| ((ioalign != m_rsimd_align) ? ! ioalign : false))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	291 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	292 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	293 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	294 // We still might not have the same shape of array.
4809 b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe] jwe parents: 4808 diff changeset	295
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	296 for (int i = 0; i < rank; i++)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	297 if (dims(i) != m_rn(i))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	298 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	299 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	300 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	301 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	302 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	303
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	304 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	305 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	306 m_rd = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	307 m_rs = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	308 m_rr = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	309 m_rh = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	310 m_rsimd_align = ioalign;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	311 m_rn = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	312
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	313 // Note reversal of dimensions for column major storage in FFTW.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	314 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	315 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	316
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	317 for (int i = 0, j = rank-1; i < rank; i++, j--)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	318 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	319 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	320 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	321 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	322
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	323 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	324 bool plan_destroys_in = true;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	325
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	326 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	327 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	328 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	329 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	330 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	331 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	332 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	333 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	334 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	335 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	336 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	337 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	338 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	339 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	340 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	341 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	342 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	343 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	344 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	345 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	346 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	347 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	348 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	349 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	350 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	351 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	352
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	353 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	354 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	355 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	356 plan_flags \|= FFTW_UNALIGNED;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	357
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	358 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	359 fftw_destroy_plan (*cur_plan_p);
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	360
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	361 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	362 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	363 // Create matrix with the same size and 16-byte alignment as input
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	364 OCTAVE_LOCAL_BUFFER (double, itmp, nn + 32);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	365 itmp = reinterpret_cast<double *>
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	366 (((reinterpret_cast<std::ptrdiff_t> (itmp) + 15) & ~ 0xF) +
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	367 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	368
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	369 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	370 = fftw_plan_many_dft_r2c (rank, tmp, howmany, itmp,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	371 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	372 reinterpret_cast<fftw_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	373 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	374 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	375 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	376 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	377 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	378 = fftw_plan_many_dft_r2c (rank, tmp, howmany,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	379 (const_cast<double *> (in)),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	380 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	381 reinterpret_cast<fftw_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	382 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	383 }
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	384
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	385 if (*cur_plan_p == nullptr)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	386 (*current_liboctave_error_handler) ("Error creating FFTW plan");
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	387 }
4808 a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe] jwe parents: 4788 diff changeset	388
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	389 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	390 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	391
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	392 fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	393 fftw_planner::do_method (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	394 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	395 return m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	396 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	397
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	398 fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	399 fftw_planner::do_method (FftwMethod _meth)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	400 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	401 FftwMethod ret = m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	402 if (_meth == ESTIMATE \|\| _meth == MEASURE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	403 \|\| _meth == PATIENT \|\| _meth == EXHAUSTIVE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	404 \|\| _meth == HYBRID)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	405 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	406 if (m_meth != _meth)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	407 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	408 m_meth = _meth;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	409 if (m_rplan)
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	410 fftw_destroy_plan (reinterpret_cast<fftw_plan> (m_rplan));
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	411 if (m_plan[0])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	412 fftw_destroy_plan (reinterpret_cast<fftw_plan> (m_plan[0]));
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	413 if (m_plan[1])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	414 fftw_destroy_plan (reinterpret_cast<fftw_plan> (m_plan[1]));
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	415 m_rplan = m_plan[0] = m_plan[1] = nullptr;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	416 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	417 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	418 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	419 ret = UNKNOWN;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	420 return ret;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	421 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	422
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	423 float_fftw_planner *float_fftw_planner::s_instance = nullptr;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	424
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	425 float_fftw_planner::float_fftw_planner (void)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	426 : m_meth (ESTIMATE), m_rplan (nullptr), m_rd (0), m_rs (0), m_rr (0),
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	427 m_rh (0), m_rn (), m_rsimd_align (false), m_nthreads (1)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	428 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	429 m_plan[0] = m_plan[1] = nullptr;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	430 m_d[0] = m_d[1] = m_s[0] = m_s[1] = m_r[0] = m_r[1] = m_h[0] = m_h[1] = 0;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	431 m_simd_align[0] = m_simd_align[1] = false;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	432 m_inplace[0] = m_inplace[1] = false;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	433 m_n[0] = m_n[1] = dim_vector ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	434
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	435 #if defined (HAVE_FFTW3F_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	436 int init_ret = fftwf_init_threads ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	437 if (! init_ret)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	438 (*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	439
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	440 // Use number of processors available to the current process
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	441 // This can be later changed with fftw ("threads", nthreads).
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	442 m_nthreads =
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	443 octave_num_processors_wrapper (OCTAVE_NPROC_CURRENT_OVERRIDABLE);
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	444
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	445 fftwf_plan_with_nthreads (m_nthreads);
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	446 #endif
bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	447
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	448 // If we have a system wide wisdom file, import it.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	449 fftwf_import_system_wisdom ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	450 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	451
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	452 float_fftw_planner::~float_fftw_planner (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	453 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	454 fftwf_plan *plan_p;
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	455
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	456 plan_p = reinterpret_cast<fftwf_plan *> (&m_rplan);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	457 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	458 fftwf_destroy_plan (*plan_p);
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	459
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	460 plan_p = reinterpret_cast<fftwf_plan *> (&m_plan[0]);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	461 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	462 fftwf_destroy_plan (*plan_p);
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	463
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	464 plan_p = reinterpret_cast<fftwf_plan *> (&m_plan[1]);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	465 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	466 fftwf_destroy_plan (*plan_p);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	467 }
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	468
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	469 bool
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	470 float_fftw_planner::instance_ok (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	471 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	472 bool retval = true;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	473
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	474 if (! s_instance)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	475 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	476 s_instance = new float_fftw_planner ();
26369 0249ba4c9589 Fix static analyzer detected V668 issues (bug #55347). Andreas Weber <octave@josoansi.de> parents: 26148 diff changeset	477 singleton_cleanup_list::add (cleanup_instance);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	478 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	479
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	480 return retval;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	481 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	482
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	483 void
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	484 float_fftw_planner::threads (int nt)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	485 {
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	486 #if defined (HAVE_FFTW3F_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	487 if (instance_ok () && nt != threads ())
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	488 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	489 s_instance->m_nthreads = nt;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	490 fftwf_plan_with_nthreads (nt);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	491 // Clear the current plans.
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	492 s_instance->m_rplan = nullptr;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	493 s_instance->m_plan[0] = s_instance->m_plan[1] = nullptr;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	494 }
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	495 #else
26148 8c72f0345ee8 maint: Silence compiler warnings about unused or too many parameters. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 25688 diff changeset	496 octave_unused_parameter (nt);
8c72f0345ee8 maint: Silence compiler warnings about unused or too many parameters. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 25688 diff changeset	497
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	498 (*current_liboctave_warning_handler)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	499 ("unable to change number of threads without FFTW thread support");
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	500 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	501 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	502
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	503 void *
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	504 float_fftw_planner::do_create_plan (int dir, const int rank,
23440 f15f0d8b78c8 pass dim_vector as const reference, not by value John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	505 const dim_vector& dims,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	506 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	507 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	508 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	509 const FloatComplex *in,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	510 FloatComplex *out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	511 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	512 int which = (dir == FFTW_FORWARD) ? 0 : 1;
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	513 fftwf_plan cur_plan_p = reinterpret_cast<fftwf_plan > (&m_plan[which]);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	514 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	515 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	516 bool ioinplace = (in == out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	517
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	518 // Don't create a new plan if we have a non SIMD plan already but
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	519 // can do SIMD. This prevents endlessly recreating plans if we
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	520 // change the alignment.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	521
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	522 if (m_plan[which] == nullptr \|\| m_d[which] != dist \|\| m_s[which] != stride
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	523 \|\| m_r[which] != rank \|\| m_h[which] != howmany
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	524 \|\| ioinplace != m_inplace[which]
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	525 \|\| ((ioalign != m_simd_align[which]) ? ! ioalign : false))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	526 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	527 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	528 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	529 // We still might not have the same shape of array.
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	530
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	531 for (int i = 0; i < rank; i++)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	532 if (dims(i) != m_n[which](i))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	533 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	534 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	535 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	536 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	537 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	538
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	539 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	540 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	541 m_d[which] = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	542 m_s[which] = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	543 m_r[which] = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	544 m_h[which] = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	545 m_simd_align[which] = ioalign;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	546 m_inplace[which] = ioinplace;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	547 m_n[which] = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	548
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	549 // Note reversal of dimensions for column major storage in FFTW.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	550 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	551 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	552
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	553 for (int i = 0, j = rank-1; i < rank; i++, j--)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	554 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	555 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	556 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	557 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	558
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	559 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	560 bool plan_destroys_in = true;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	561
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	562 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	563 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	564 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	565 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	566 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	567 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	568 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	569 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	570 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	571 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	572 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	573 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	574 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	575 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	576 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	577 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	578 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	579 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	580 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	581 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	582 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	583 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	584 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	585 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	586 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	587 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	588
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	589 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	590 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	591 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 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
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	594 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	595 fftwf_destroy_plan (*cur_plan_p);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	596
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	597 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	598 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	599 // Create matrix with the same size and 16-byte alignment as input
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	600 OCTAVE_LOCAL_BUFFER (FloatComplex, itmp, nn * howmany + 32);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	601 itmp = reinterpret_cast<FloatComplex *>
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	602 (((reinterpret_cast<std::ptrdiff_t> (itmp) + 15) & ~ 0xF) +
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	603 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	604
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	605 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	606 = fftwf_plan_many_dft (rank, tmp, howmany,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	607 reinterpret_cast<fftwf_complex *> (itmp),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	608 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	609 reinterpret_cast<fftwf_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	610 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	611 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	612 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	613 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	614 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	615 = fftwf_plan_many_dft (rank, tmp, howmany,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	616 reinterpret_cast<fftwf_complex > (const_cast<FloatComplex > (in)),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	617 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	618 reinterpret_cast<fftwf_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	619 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	620 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	621
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	622 if (*cur_plan_p == nullptr)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	623 (*current_liboctave_error_handler) ("Error creating FFTW plan");
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	624 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	625
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	626 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	627 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	628
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	629 void *
23440 f15f0d8b78c8 pass dim_vector as const reference, not by value John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	630 float_fftw_planner::do_create_plan (const int rank, const dim_vector& dims,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	631 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	632 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	633 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	634 const float in, FloatComplex out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	635 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	636 fftwf_plan cur_plan_p = reinterpret_cast<fftwf_plan > (&m_rplan);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	637 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	638 bool ioalign = CHECK_SIMD_ALIGNMENT (in) && CHECK_SIMD_ALIGNMENT (out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	639
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	640 // Don't create a new plan if we have a non SIMD plan already but
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	641 // can do SIMD. This prevents endlessly recreating plans if we
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	642 // change the alignment.
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	643
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	644 if (m_rplan == nullptr \|\| m_rd != dist \|\| m_rs != stride \|\| m_rr != rank
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	645 \|\| m_rh != howmany \|\| ((ioalign != m_rsimd_align) ? ! ioalign : false))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	646 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	647 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	648 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	649 // We still might not have the same shape of array.
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	650
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	651 for (int i = 0; i < rank; i++)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	652 if (dims(i) != m_rn(i))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	653 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	654 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	655 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	656 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	657 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	658
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	659 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	660 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	661 m_rd = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	662 m_rs = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	663 m_rr = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	664 m_rh = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	665 m_rsimd_align = ioalign;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	666 m_rn = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	667
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	668 // Note reversal of dimensions for column major storage in FFTW.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	669 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	670 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	671
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	672 for (int i = 0, j = rank-1; i < rank; i++, j--)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	673 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	674 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	675 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	676 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	677
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	678 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	679 bool plan_destroys_in = true;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	680
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	681 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	682 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	683 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	684 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	685 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	686 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	687 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	688 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	689 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	690 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	691 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	692 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	693 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	694 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	695 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	696 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	697 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	698 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	699 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	700 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	701 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	702 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	703 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	704 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	705 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	706 }
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	707
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	708 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	709 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	710 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	711 plan_flags \|= FFTW_UNALIGNED;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	712
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	713 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	714 fftwf_destroy_plan (*cur_plan_p);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	715
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	716 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	717 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	718 // Create matrix with the same size and 16-byte alignment as input
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	719 OCTAVE_LOCAL_BUFFER (float, itmp, nn + 32);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	720 itmp = reinterpret_cast<float *>
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	721 (((reinterpret_cast<std::ptrdiff_t> (itmp) + 15) & ~ 0xF) +
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	722 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	723
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	724 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	725 = fftwf_plan_many_dft_r2c (rank, tmp, howmany, itmp,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	726 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	727 reinterpret_cast<fftwf_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	728 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	729 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	730 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	731 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	732 *cur_plan_p
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	733 = fftwf_plan_many_dft_r2c (rank, tmp, howmany,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	734 (const_cast<float *> (in)),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	735 nullptr, stride, dist,
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	736 reinterpret_cast<fftwf_complex *> (out),
db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	737 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	738 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	739
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	740 if (*cur_plan_p == nullptr)
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	741 (*current_liboctave_error_handler) ("Error creating FFTW plan");
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	742 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	743
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	744 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	745 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	746
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	747 float_fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	748 float_fftw_planner::do_method (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	749 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	750 return m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	751 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	752
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	753 float_fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	754 float_fftw_planner::do_method (FftwMethod _meth)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	755 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	756 FftwMethod ret = m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	757 if (_meth == ESTIMATE \|\| _meth == MEASURE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	758 \|\| _meth == PATIENT \|\| _meth == EXHAUSTIVE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	759 \|\| _meth == HYBRID)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	760 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	761 if (m_meth != _meth)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	762 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	763 m_meth = _meth;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	764 if (m_rplan)
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	765 fftwf_destroy_plan (reinterpret_cast<fftwf_plan> (m_rplan));
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	766 if (m_plan[0])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	767 fftwf_destroy_plan (reinterpret_cast<fftwf_plan> (m_plan[0]));
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	768 if (m_plan[1])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	769 fftwf_destroy_plan (reinterpret_cast<fftwf_plan> (m_plan[1]));
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	770 m_rplan = m_plan[0] = m_plan[1] = nullptr;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	771 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	772 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	773 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	774 ret = UNKNOWN;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	775 return ret;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	776 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	777
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	778 template <typename T>
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	779 static inline void
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	780 convert_packcomplex_1d (T *out, std::size_t nr, std::size_t nc,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	781 octave_idx_type stride, octave_idx_type dist)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	782 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	783 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	784
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	785 // Fill in the missing data.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	786
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	787 for (std::size_t i = 0; i < nr; i++)
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	788 for (std::size_t j = nc/2+1; j < nc; j++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	789 out[jstride + idist] = conj (out[(nc - j)stride + idist]);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	790
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	791 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	792 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	793
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	794 template <typename T>
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	795 static inline void
23433 c9fab0bc983e maint: Use convention 'int& x' for naming references. Rik <rik@octave.org> parents: 23220 diff changeset	796 convert_packcomplex_Nd (T *out, const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	797 {
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	798 std::size_t nc = dv(0);
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	799 std::size_t nr = dv(1);
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	800 std::size_t np = (dv.ndims () > 2 ? dv.numel () / nc / nr : 1);
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	801 std::size_t nrp = nr * np;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	802 T ptr1, ptr2;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	803
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	804 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	805
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	806 // Create space for the missing elements.
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	807
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	808 for (std::size_t i = 0; i < nrp; i++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	809 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	810 ptr1 = out + i * (nc/2 + 1) + nrp*((nc-1)/2);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	811 ptr2 = out + i * nc;
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	812 for (std::size_t j = 0; j < nc/2+1; j++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	813 ptr2++ = ptr1++;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	814 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	815
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	816 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	817
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	818 // Fill in the missing data for the rank = 2 case directly for speed.
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	819
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	820 for (std::size_t i = 0; i < np; i++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	821 {
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	822 for (std::size_t j = 1; j < nr; j++)
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	823 for (std::size_t k = nc/2+1; k < nc; k++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	824 out[k + (j + inr)nc] = conj (out[nc - k + ((i+1)nr - j)nc]);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	825
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	826 for (std::size_t j = nc/2+1; j < nc; j++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	827 out[j + inrnc] = conj (out[(inr+1)nc - j]);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	828 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	829
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	830 octave_quit ();
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	831
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	832 // Now do the permutations needed for rank > 2 cases.
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	833
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	834 std::size_t jstart = dv(0) * dv(1);
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	835 std::size_t kstep = dv(0);
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	836 std::size_t nel = dv.numel ();
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	837
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	838 for (int inner = 2; inner < dv.ndims (); inner++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	839 {
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	840 std::size_t jmax = jstart * dv(inner);
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	841 for (std::size_t i = 0; i < nel; i+=jmax)
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	842 for (std::size_t j = jstart, jj = jmax-jstart; j < jj;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	843 j+=jstart, jj-=jstart)
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	844 for (std::size_t k = 0; k < jstart; k+= kstep)
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	845 for (std::size_t l = nc/2+1; l < nc; l++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	846 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	847 T tmp = out[i+ j + k + l];
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	848 out[i + j + k + l] = out[i + jj + k + l];
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	849 out[i + jj + k + l] = tmp;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	850 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	851 jstart = jmax;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	852 }
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	853
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	854 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	855 }
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	856
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	857 int
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	858 fftw::fft (const double in, Complex out, std::size_t npts,
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	859 std::size_t nsamples, octave_idx_type stride,
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	860 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	861 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	862 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	863
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	864 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	865 void *vplan = fftw_planner::create_plan (1, dv, nsamples,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	866 stride, dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	867 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	868
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	869 fftw_execute_dft_r2c (m_plan, (const_cast<double *>(in)),
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	870 reinterpret_cast<fftw_complex *> (out));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	871
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	872 // Need to create other half of the transform.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	873
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	874 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	875
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	876 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	877 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	878
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	879 int
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	880 fftw::fft (const Complex in, Complex out, std::size_t npts,
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	881 std::size_t nsamples, octave_idx_type stride,
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	882 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	883 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	884 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	885
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	886 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	887 void *vplan = fftw_planner::create_plan (FFTW_FORWARD, 1, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	888 nsamples, stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	889 dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	890 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	891
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	892 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	893 reinterpret_cast<fftw_complex > (const_cast<Complex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	894 reinterpret_cast<fftw_complex *> (out));
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	895
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	896 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	897 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	898
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	899 int
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	900 fftw::ifft (const Complex in, Complex out, std::size_t npts,
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	901 std::size_t nsamples, octave_idx_type stride,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	902 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	903 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	904 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	905
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	906 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	907 void *vplan = fftw_planner::create_plan (FFTW_BACKWARD, 1, dv, nsamples,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	908 stride, dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	909 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	910
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	911 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	912 reinterpret_cast<fftw_complex > (const_cast<Complex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	913 reinterpret_cast<fftw_complex *> (out));
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	914
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	915 const Complex scale = npts;
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	916 for (std::size_t j = 0; j < nsamples; j++)
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	917 for (std::size_t i = 0; i < npts; i++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	918 out[istride + jdist] /= scale;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	919
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	920 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	921 }
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	922
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	923 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	924 fftw::fftNd (const double in, Complex out, const int rank,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	925 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	926 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	927 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	928 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	929 dist *= dv(i);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	930
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	931 // Fool with the position of the start of the output matrix, so that
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	932 // creating other half of the matrix won't cause cache problems.
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	933
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	934 octave_idx_type offset = (dv.numel () / dv(0)) * ((dv(0) - 1) / 2);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	935
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	936 void *vplan = fftw_planner::create_plan (rank, dv, 1, 1, dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	937 in, out + offset);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	938 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	939
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	940 fftw_execute_dft_r2c (m_plan, (const_cast<double *>(in)),
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	941 reinterpret_cast<fftw_complex *> (out+ offset));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	942
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	943 // Need to create other half of the transform.
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	944
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	945 convert_packcomplex_Nd (out, dv);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	946
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	947 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	948 }
4809 b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe] jwe parents: 4808 diff changeset	949
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	950 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	951 fftw::fftNd (const Complex in, Complex out, const int rank,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	952 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	953 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	954 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	955 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	956 dist *= dv(i);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	957
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	958 void *vplan = fftw_planner::create_plan (FFTW_FORWARD, rank, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	959 1, 1, dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	960 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
4809 b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe] jwe parents: 4808 diff changeset	961
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	962 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	963 reinterpret_cast<fftw_complex > (const_cast<Complex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	964 reinterpret_cast<fftw_complex *> (out));
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	965
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	966 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	967 }
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	968
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	969 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	970 fftw::ifftNd (const Complex in, Complex out, const int rank,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	971 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	972 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	973 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	974 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	975 dist *= dv(i);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	976
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	977 void *vplan = fftw_planner::create_plan (FFTW_BACKWARD, rank, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	978 1, 1, dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	979 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	980
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	981 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	982 reinterpret_cast<fftw_complex > (const_cast<Complex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	983 reinterpret_cast<fftw_complex *> (out));
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	984
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	985 const std::size_t npts = dv.numel ();
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	986 const Complex scale = npts;
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	987 for (std::size_t i = 0; i < npts; i++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	988 out[i] /= scale;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	989
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	990 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	991 }
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	992
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	993 int
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	994 fftw::fft (const float in, FloatComplex out, std::size_t npts,
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	995 std::size_t nsamples, octave_idx_type stride,
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	996 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	997 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	998 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	999
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1000 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1001 void *vplan = float_fftw_planner::create_plan (1, dv, nsamples, stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1002 dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1003 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	1004
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1005 fftwf_execute_dft_r2c (m_plan, (const_cast<float *>(in)),
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1006 reinterpret_cast<fftwf_complex *> (out));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1007
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1008 // Need to create other half of the transform.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1009
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1010 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1011
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1012 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1013 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1014
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1015 int
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1016 fftw::fft (const FloatComplex in, FloatComplex out, std::size_t npts,
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1017 std::size_t nsamples, octave_idx_type stride,
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1018 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1019 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1020 dist = (dist < 0 ? npts : dist);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1021
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1022 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1023 void *vplan = float_fftw_planner::create_plan (FFTW_FORWARD, 1, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1024 nsamples, stride, dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1025 in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1026 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1027
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1028 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1029 reinterpret_cast<fftwf_complex > (const_cast<FloatComplex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1030 reinterpret_cast<fftwf_complex *> (out));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1031
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1032 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1033 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1034
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1035 int
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1036 fftw::ifft (const FloatComplex in, FloatComplex out, std::size_t npts,
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1037 std::size_t nsamples, octave_idx_type stride,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	1038 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1039 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1040 dist = (dist < 0 ? npts : dist);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1041
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1042 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1043 void *vplan = float_fftw_planner::create_plan (FFTW_BACKWARD, 1, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1044 nsamples, stride, dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1045 in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1046 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1047
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1048 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1049 reinterpret_cast<fftwf_complex > (const_cast<FloatComplex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1050 reinterpret_cast<fftwf_complex *> (out));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1051
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1052 const FloatComplex scale = npts;
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1053 for (std::size_t j = 0; j < nsamples; j++)
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1054 for (std::size_t i = 0; i < npts; i++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1055 out[istride + jdist] /= scale;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1056
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1057 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1058 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1059
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1060 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1061 fftw::fftNd (const float in, FloatComplex out, const int rank,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	1062 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1063 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1064 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1065 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1066 dist *= dv(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1067
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1068 // Fool with the position of the start of the output matrix, so that
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1069 // creating other half of the matrix won't cause cache problems.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1070
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1071 octave_idx_type offset = (dv.numel () / dv(0)) * ((dv(0) - 1) / 2);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1072
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1073 void *vplan = float_fftw_planner::create_plan (rank, dv, 1, 1, dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1074 in, out + offset);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1075 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1076
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1077 fftwf_execute_dft_r2c (m_plan, (const_cast<float *>(in)),
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1078 reinterpret_cast<fftwf_complex *> (out+ offset));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1079
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1080 // Need to create other half of the transform.
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1081
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1082 convert_packcomplex_Nd (out, dv);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1083
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1084 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1085 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1086
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1087 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1088 fftw::fftNd (const FloatComplex in, FloatComplex out, const int rank,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	1089 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1090 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1091 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1092 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1093 dist *= dv(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1094
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1095 void *vplan = float_fftw_planner::create_plan (FFTW_FORWARD, rank, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1096 1, 1, dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1097 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1098
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1099 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1100 reinterpret_cast<fftwf_complex > (const_cast<FloatComplex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1101 reinterpret_cast<fftwf_complex *> (out));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1102
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1103 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1104 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1105
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1106 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1107 fftw::ifftNd (const FloatComplex in, FloatComplex out, const int rank,
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	1108 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1109 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1110 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1111 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1112 dist *= dv(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1113
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1114 void *vplan = float_fftw_planner::create_plan (FFTW_BACKWARD, rank, dv,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1115 1, 1, dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1116 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1117
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1118 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1119 reinterpret_cast<fftwf_complex > (const_cast<FloatComplex >(in)),
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1120 reinterpret_cast<fftwf_complex *> (out));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1121
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1122 const std::size_t npts = dv.numel ();
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1123 const FloatComplex scale = npts;
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1124 for (std::size_t i = 0; i < npts; i++)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1125 out[i] /= scale;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1126
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1127 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1128 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1129
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	1130 #endif
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1131
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1132 std::string
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1133 fftw_version (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1134 {
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1135 #if defined (HAVE_FFTW)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1136 return ::fftw_version;
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1137 #else
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1138 return "none";
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1139 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1140 }
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1141
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1142 std::string
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1143 fftwf_version (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1144 {
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1145 #if defined (HAVE_FFTW)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1146 return ::fftwf_version;
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1147 #else
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1148 return "none";
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1149 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1150 }
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1151 }

Mercurial > octave

annotate liboctave/numeric/oct-fftw.cc @ 30102:eb10871a5882