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

annotate liboctave/numeric/oct-fftw.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:23:45 -0800
parents	68ec7f275f0e
children	aac27ad79be6

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 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30102 diff changeset	3 // Copyright (C) 2001-2022 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
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31184 diff changeset	44 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31184 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
31184 68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	83 // Check number of processors available to the current process
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	84 m_nthreads =
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	85 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	86
31184 68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	87 // Limit number of threads to 3 by default
68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	88 // See: https://octave.discourse.group/t/3121
68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	89 // This can be later changed with fftw ("threads", nthreads).
68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	90 if (m_nthreads > 3)
68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	91 m_nthreads = 3;
68ec7f275f0e fftw: Limit the default number of threads used by FFTW to 3. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	92
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	93 fftw_plan_with_nthreads (m_nthreads);
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	94 #endif
bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	95
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	96 // 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	97 fftw_import_system_wisdom ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	98 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	99
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	100 fftw_planner::~fftw_planner (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	101 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	102 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	103
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	104 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	105 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	106 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	107
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	108 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	109 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	110 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	111
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	112 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	113 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	114 fftw_destroy_plan (*plan_p);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	115 }
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	116
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	117 bool
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	118 fftw_planner::instance_ok (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	119 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	120 bool retval = true;
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	121
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	122 if (! s_instance)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	123 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	124 s_instance = new fftw_planner ();
26369 0249ba4c9589 Fix static analyzer detected V668 issues (bug #55347). Andreas Weber <octave@josoansi.de> parents: 26148 diff changeset	125 singleton_cleanup_list::add (cleanup_instance);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	126 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	127
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	128 return retval;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	129 }
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	130
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	131 void
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	132 fftw_planner::threads (int nt)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	133 {
21520 e1c921322ba2 Fix configuration conditions in oct-fftw.cc Mike Miller <mtmiller@octave.org> parents: 21451 diff changeset	134 #if defined (HAVE_FFTW3_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	135 if (instance_ok () && nt != threads ())
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	136 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	137 s_instance->m_nthreads = nt;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	138 fftw_plan_with_nthreads (nt);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	139 // 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	140 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	141 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	142 }
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	143 #else
26148 8c72f0345ee8 maint: Silence compiler warnings about unused or too many parameters. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 25688 diff changeset	144 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	145
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	146 (*current_liboctave_warning_handler)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	147 ("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	148 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	149 }
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	150
763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	151 #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	152 (((reinterpret_cast<std::ptrdiff_t> (x)) & 0xF) == 0)
4808 a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe] jwe parents: 4788 diff changeset	153
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	154 void *
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	155 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	156 const dim_vector& dims,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	157 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	158 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	159 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	160 const Complex in, Complex out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	161 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	162 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	163 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	164 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	165 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	166 bool ioinplace = (in == out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	167
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	168 // 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	169 // 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	170 // change the alignment.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	171
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	172 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	173 \|\| 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	174 \|\| ioinplace != m_inplace[which]
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	175 \|\| ((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	176 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	177 else
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 // 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	180
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	181 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	182 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	183 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	184 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	185 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	186 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	187 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	188
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	189 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	190 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	191 m_d[which] = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	192 m_s[which] = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	193 m_r[which] = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	194 m_h[which] = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	195 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	196 m_inplace[which] = ioinplace;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	197 m_n[which] = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	198
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	199 // 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	200 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	201 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
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 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	204 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	205 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	206 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	207 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	208
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	209 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	210 bool plan_destroys_in = true;
4809 b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe] jwe parents: 4808 diff changeset	211
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	212 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	213 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	214 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	215 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	216 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	217 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	218 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	219 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	220 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	221 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	222 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	223 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	224 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	225 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	226 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	227 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	228 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	229 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	230 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	231 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	232 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	233 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	234 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	235 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	236 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	237 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	238
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	239 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	240 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	241 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	242 plan_flags \|= FFTW_UNALIGNED;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	243
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	244 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	245 fftw_destroy_plan (*cur_plan_p);
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	246
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	247 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	248 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	249 // 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	250 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	251 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	252 (((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	253 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	254
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	255 *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	256 = 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	257 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	258 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	259 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	260 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	261 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	262 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	263 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	264 *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	265 = 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	266 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	267 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	268 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	269 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	270 }
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	271
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	272 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	273 (*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	274 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	275
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	276 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	277 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	278
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	279 void *
23440 f15f0d8b78c8 pass dim_vector as const reference, not by value John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	280 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	281 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	282 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	283 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	284 const double in, Complex out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	285 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	286 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	287 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	288 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	289
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	290 // 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	291 // 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	292 // change the alignment.
4808 a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe] jwe parents: 4788 diff changeset	293
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	294 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	295 \|\| 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	296 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	297 else
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 // 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	300
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	301 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	302 if (dims(i) != m_rn(i))
23058 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 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	305 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	306 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	307 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	308
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	309 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	310 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	311 m_rd = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	312 m_rs = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	313 m_rr = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	314 m_rh = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	315 m_rsimd_align = ioalign;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	316 m_rn = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	317
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	318 // 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	319 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	320 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	321
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	322 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	323 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	324 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	325 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	326 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	327
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	328 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	329 bool plan_destroys_in = true;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	330
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	331 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	332 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	333 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	334 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	335 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	336 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	337 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	338 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	339 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	340 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	341 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	342 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	343 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	344 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	345 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	346 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	347 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	348 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	349 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	350 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	351 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	352 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	353 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	354 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	355 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	356 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	357
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	358 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	359 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	360 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	361 plan_flags \|= FFTW_UNALIGNED;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	362
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	363 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	364 fftw_destroy_plan (*cur_plan_p);
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	365
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	366 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	367 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	368 // 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	369 OCTAVE_LOCAL_BUFFER (double, itmp, nn + 32);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	370 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	371 (((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	372 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	373
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	374 *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	375 = 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	376 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	377 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	378 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	379 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	380 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	381 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	382 *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	383 = 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	384 (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	385 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	386 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	387 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	388 }
6228 aa5df9ba98d5 [project @ 2007-01-05 22:49:03 by dbateman] dbateman parents: 5775 diff changeset	389
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	390 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	391 (*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	392 }
4808 a9ec0ce18568 [project @ 2004-03-02 17:36:28 by jwe] jwe parents: 4788 diff changeset	393
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	394 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	395 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	396
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	397 fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	398 fftw_planner::do_method (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	399 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	400 return m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	401 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	402
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	403 fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	404 fftw_planner::do_method (FftwMethod _meth)
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 FftwMethod ret = m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	407 if (_meth == ESTIMATE \|\| _meth == MEASURE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	408 \|\| _meth == PATIENT \|\| _meth == EXHAUSTIVE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	409 \|\| _meth == HYBRID)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	410 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	411 if (m_meth != _meth)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	412 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	413 m_meth = _meth;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	414 if (m_rplan)
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	415 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	416 if (m_plan[0])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	417 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	418 if (m_plan[1])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	419 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	420 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	421 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	422 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	423 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	424 ret = UNKNOWN;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	425 return ret;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	426 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	427
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	428 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	429
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	430 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	431 : 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	432 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	433 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	434 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	435 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	436 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	437 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	438 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	439
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	440 #if defined (HAVE_FFTW3F_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	441 int init_ret = fftwf_init_threads ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	442 if (! init_ret)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	443 (*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	444
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	445 // 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	446 // 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	447 m_nthreads =
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	448 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	449
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	450 fftwf_plan_with_nthreads (m_nthreads);
15960 bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	451 #endif
bde7731b2b83 added FFTW multithreaded library support Andreas Weber <andy.weber.aw@gmail.com> parents: 15271 diff changeset	452
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	453 // 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	454 fftwf_import_system_wisdom ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	455 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	456
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	457 float_fftw_planner::~float_fftw_planner (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	458 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	459 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	460
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	461 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	462 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	463 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	464
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	465 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	466 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	467 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	468
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	469 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	470 if (*plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	471 fftwf_destroy_plan (*plan_p);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	472 }
14078 941d19370065 Cleanup FFTW wisdom plans in class destructor and prevent a memory leak. Rik <octave@nomad.inbox5.com> parents: 13994 diff changeset	473
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	474 bool
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	475 float_fftw_planner::instance_ok (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	476 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	477 bool retval = true;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	478
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	479 if (! s_instance)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	480 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	481 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	482 singleton_cleanup_list::add (cleanup_instance);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	483 }
9516 fb933db0c517 convert fftw planner classes to singleton objects John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	484
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	485 return retval;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	486 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	487
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	488 void
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	489 float_fftw_planner::threads (int nt)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	490 {
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	491 #if defined (HAVE_FFTW3F_THREADS)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	492 if (instance_ok () && nt != threads ())
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	493 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	494 s_instance->m_nthreads = nt;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	495 fftwf_plan_with_nthreads (nt);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	496 // 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	497 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	498 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	499 }
21451 763e30285935 eliminate configuration macros from oct-fftw.h (bug #41027) John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	500 #else
26148 8c72f0345ee8 maint: Silence compiler warnings about unused or too many parameters. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 25688 diff changeset	501 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	502
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	503 (*current_liboctave_warning_handler)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	504 ("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	505 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	506 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	507
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	508 void *
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	509 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	510 const dim_vector& dims,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	511 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	512 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	513 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	514 const FloatComplex *in,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	515 FloatComplex *out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	516 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	517 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	518 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	519 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	520 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	521 bool ioinplace = (in == out);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	522
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	523 // 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	524 // 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	525 // change the alignment.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	526
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	527 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	528 \|\| 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	529 \|\| ioinplace != m_inplace[which]
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	530 \|\| ((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	531 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	532 else
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 // 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	535
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	536 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	537 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	538 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	539 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	540 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	541 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	542 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	543
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	544 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	545 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	546 m_d[which] = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	547 m_s[which] = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	548 m_r[which] = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	549 m_h[which] = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	550 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	551 m_inplace[which] = ioinplace;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	552 m_n[which] = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	553
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	554 // 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	555 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	556 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	557
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	558 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	559 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	560 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	561 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	562 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	563
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	564 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	565 bool plan_destroys_in = true;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	566
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	567 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	568 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	569 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	570 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	571 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	572 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	573 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	574 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	575 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	576 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	577 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	578 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	579 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	580 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	581 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	582 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	583 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	584 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	585 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	586 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	587 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	588 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	589 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	590 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	591 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	592 }
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 (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	595 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	596 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	597 plan_flags \|= FFTW_UNALIGNED;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	598
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	599 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	600 fftwf_destroy_plan (*cur_plan_p);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	601
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	602 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	603 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	604 // 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	605 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	606 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	607 (((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	608 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	609
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	610 *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	611 = 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	612 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	613 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	614 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	615 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	616 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	617 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	618 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	619 *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	620 = 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	621 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	622 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	623 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	624 nullptr, stride, dist, dir, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	625 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	626
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	627 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	628 (*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	629 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	630
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	631 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	632 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	633
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	634 void *
23440 f15f0d8b78c8 pass dim_vector as const reference, not by value John W. Eaton <jwe@octave.org> parents: 23433 diff changeset	635 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	636 octave_idx_type howmany,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	637 octave_idx_type stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	638 octave_idx_type dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	639 const float in, FloatComplex out)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	640 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	641 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	642 bool create_new_plan = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	643 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	644
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	645 // 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	646 // 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	647 // change the alignment.
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	648
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	649 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	650 \|\| 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	651 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	652 else
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 // 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	655
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	656 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	657 if (dims(i) != m_rn(i))
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	658 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	659 create_new_plan = true;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	660 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	661 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	662 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	663
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	664 if (create_new_plan)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	665 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	666 m_rd = dist;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	667 m_rs = stride;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	668 m_rr = rank;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	669 m_rh = howmany;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	670 m_rsimd_align = ioalign;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	671 m_rn = dims;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	672
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	673 // 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	674 octave_idx_type nn = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	675 OCTAVE_LOCAL_BUFFER (int, tmp, rank);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	676
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	677 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	678 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	679 tmp[i] = dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	680 nn *= dims(j);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	681 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	682
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	683 int plan_flags = 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	684 bool plan_destroys_in = true;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	685
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	686 switch (m_meth)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	687 {
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	688 case UNKNOWN:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	689 case ESTIMATE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	690 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	691 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	692 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	693 case MEASURE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	694 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	695 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	696 case PATIENT:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	697 plan_flags \|= FFTW_PATIENT;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	698 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	699 case EXHAUSTIVE:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	700 plan_flags \|= FFTW_EXHAUSTIVE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	701 break;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	702 case HYBRID:
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	703 if (nn < 8193)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	704 plan_flags \|= FFTW_MEASURE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	705 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	706 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	707 plan_flags \|= FFTW_ESTIMATE;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	708 plan_destroys_in = false;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	709 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	710 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	711 }
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	712
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	713 if (ioalign)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	714 plan_flags &= ~FFTW_UNALIGNED;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	715 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	716 plan_flags \|= FFTW_UNALIGNED;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	717
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	718 if (*cur_plan_p)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	719 fftwf_destroy_plan (*cur_plan_p);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	720
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	721 if (plan_destroys_in)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	722 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	723 // 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	724 OCTAVE_LOCAL_BUFFER (float, itmp, nn + 32);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	725 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	726 (((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	727 ((reinterpret_cast<std::ptrdiff_t> (in)) & 0xF));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	728
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	729 *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	730 = 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	731 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	732 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	733 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	734 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	735 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	736 {
27277 db687716fed6 style fixes: generally aim to break long lines before operators, not after John W. Eaton <jwe@octave.org> parents: 27032 diff changeset	737 *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	738 = 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	739 (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	740 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	741 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	742 nullptr, stride, dist, plan_flags);
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	743 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	744
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23475 diff changeset	745 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	746 (*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	747 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	748
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	749 return *cur_plan_p;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	750 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	751
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	752 float_fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	753 float_fftw_planner::do_method (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	754 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	755 return m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	756 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	757
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	758 float_fftw_planner::FftwMethod
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	759 float_fftw_planner::do_method (FftwMethod _meth)
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 FftwMethod ret = m_meth;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	762 if (_meth == ESTIMATE \|\| _meth == MEASURE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	763 \|\| _meth == PATIENT \|\| _meth == EXHAUSTIVE
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	764 \|\| _meth == HYBRID)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	765 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	766 if (m_meth != _meth)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	767 {
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	768 m_meth = _meth;
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	769 if (m_rplan)
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	770 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	771 if (m_plan[0])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	772 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	773 if (m_plan[1])
eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	774 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	775 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	776 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	777 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	778 else
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	779 ret = UNKNOWN;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	780 return ret;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	781 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	782
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	783 template <typename T>
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	784 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	785 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	786 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	787 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	788 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	789
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	790 // Fill in the missing data.
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	791
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	792 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	793 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	794 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	795
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	796 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	797 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	798
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	799 template <typename T>
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	800 static inline void
23433 c9fab0bc983e maint: Use convention 'int& x' for naming references. Rik <rik@octave.org> parents: 23220 diff changeset	801 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	802 {
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	803 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	804 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	805 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	806 std::size_t nrp = nr * np;
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	807 T ptr1, ptr2;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	808
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	809 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	810
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	811 // 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	812
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	813 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	814 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	815 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	816 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	817 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	818 ptr2++ = ptr1++;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	819 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	820
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	821 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	822
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	823 // 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	824
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	825 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	826 {
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	827 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	828 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	829 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	830
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	831 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	832 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	833 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	834
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	835 octave_quit ();
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	836
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	837 // 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	838
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	839 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	840 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	841 std::size_t nel = dv.numel ();
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	842
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	843 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	844 {
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	845 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	846 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	847 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	848 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	849 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	850 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	851 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	852 T tmp = out[i+ j + k + l];
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	853 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	854 out[i + jj + k + l] = tmp;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	855 }
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	856 jstart = jmax;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	857 }
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	858
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	859 octave_quit ();
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	860 }
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	861
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	862 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	863 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	864 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	865 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	866 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	867 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	868
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	869 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	870 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	871 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	872 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	873
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	874 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	875 reinterpret_cast<fftw_complex *> (out));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	876
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	877 // 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	878
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	879 convert_packcomplex_1d (out, nsamples, npts, stride, dist);
4785 d3018a33c584 [project @ 2004-02-17 21:58:17 by jwe] jwe parents: 4784 diff changeset	880
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	881 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	882 }
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 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	885 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	886 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	887 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	888 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	889 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	890
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	891 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	892 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	893 nsamples, stride,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	894 dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	895 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	896
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	897 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	898 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	899 reinterpret_cast<fftw_complex *> (out));
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	900
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	901 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	902 }
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	903
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	904 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	905 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	906 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	907 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	908 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	909 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	910
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	911 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	912 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	913 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	914 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	915
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	916 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	917 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	918 reinterpret_cast<fftw_complex *> (out));
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 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	921 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	922 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	923 out[istride + jdist] /= scale;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	924
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	925 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	926 }
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	927
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	928 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	929 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	930 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	931 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	932 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	933 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	934 dist *= dv(i);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	935
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	936 // 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	937 // 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	938
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	939 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	940
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	941 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	942 in, out + offset);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	943 fftw_plan m_plan = reinterpret_cast<fftw_plan> (vplan);
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	944
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	945 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	946 reinterpret_cast<fftw_complex *> (out+ offset));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	947
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	948 // Need to create other half of the transform.
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	949
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	950 convert_packcomplex_Nd (out, dv);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	951
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	952 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	953 }
4809 b60be7678bdc [project @ 2004-03-02 17:40:08 by jwe] jwe parents: 4808 diff changeset	954
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	955 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	956 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	957 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	958 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	959 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	960 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	961 dist *= dv(i);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	962
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	963 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	964 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	965 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	966
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	967 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	968 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	969 reinterpret_cast<fftw_complex *> (out));
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	970
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	971 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	972 }
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	973
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	974 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	975 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	976 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	977 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	978 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	979 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	980 dist *= dv(i);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	981
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	982 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	983 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	984 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	985
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	986 fftw_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	987 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	988 reinterpret_cast<fftw_complex *> (out));
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	989
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	990 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	991 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	992 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	993 out[i] /= scale;
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	994
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	995 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	996 }
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	997
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	998 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	999 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	1000 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	1001 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1002 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1003 dist = (dist < 0 ? npts : dist);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 3874 diff changeset	1004
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1005 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1006 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	1007 dist, in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1008 fftwf_plan m_plan = reinterpret_cast<fftwf_plan> (vplan);
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	1009
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1010 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	1011 reinterpret_cast<fftwf_complex *> (out));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1012
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1013 // 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	1014
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1015 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	1016
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1017 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1018 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1019
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1020 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	1021 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	1022 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	1023 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1024 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1025 dist = (dist < 0 ? npts : dist);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1026
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1027 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1028 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	1029 nsamples, stride, dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1030 in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1031 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	1032
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1033 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1034 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	1035 reinterpret_cast<fftwf_complex *> (out));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1036
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1037 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1038 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1039
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1040 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	1041 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	1042 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	1043 octave_idx_type dist)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1044 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1045 dist = (dist < 0 ? npts : dist);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1046
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1047 dim_vector dv (npts, 1);
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1048 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	1049 nsamples, stride, dist,
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1050 in, out);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1051 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	1052
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1053 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1054 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	1055 reinterpret_cast<fftwf_complex *> (out));
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1056
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1057 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	1058 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	1059 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	1060 out[istride + jdist] /= scale;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1061
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1062 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1063 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1064
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1065 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1066 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	1067 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1068 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1069 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1070 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1071 dist *= dv(i);
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 // 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	1074 // 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	1075
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1076 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	1077
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1078 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	1079 in, out + offset);
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1080 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	1081
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1082 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	1083 reinterpret_cast<fftwf_complex *> (out+ offset));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1084
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1085 // 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	1086
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1087 convert_packcomplex_Nd (out, dv);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1088
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1089 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1090 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1091
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1092 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1093 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	1094 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1095 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1096 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1097 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1098 dist *= dv(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1099
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1100 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	1101 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	1102 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	1103
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1104 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1105 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	1106 reinterpret_cast<fftwf_complex *> (out));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1107
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1108 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1109 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1110
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1111 int
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1112 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	1113 const dim_vector& dv)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1114 {
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1115 octave_idx_type dist = 1;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1116 for (int i = 0; i < rank; i++)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1117 dist *= dv(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1118
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1119 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	1120 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	1121 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	1122
30102 eb10871a5882 maint: use "m_" prefix for member variables in class fftw_planner. Rik <rik@octave.org> parents: 29572 diff changeset	1123 fftwf_execute_dft (m_plan,
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1124 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	1125 reinterpret_cast<fftwf_complex *> (out));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1126
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	1127 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	1128 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	1129 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	1130 out[i] /= scale;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1131
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1132 return 0;
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1133 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	1134
3828 adc217ebe692 [project @ 2001-05-02 14:50:46 by jwe] jwe parents: diff changeset	1135 #endif
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1136
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1137 std::string
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1138 fftw_version (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1139 {
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1140 #if defined (HAVE_FFTW)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1141 return ::fftw_version;
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1142 #else
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1143 return "none";
21600 184b85b31e03 more updates for version function mmuetzel <markus.muetzel@gmx.de> parents: 21520 diff changeset	1144 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1145 }
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1146
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1147 std::string
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1148 fftwf_version (void)
5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1149 {
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1150 #if defined (HAVE_FFTW)
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1151 return ::fftwf_version;
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1152 #else
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1153 return "none";
21603 37cbdf7bffa9 Add fftwf_version (bug #45659) mmuetzel <markus.muetzel@gmx.de> parents: 21600 diff changeset	1154 #endif
23058 5839d16828cb move fftw classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	1155 }
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31184 diff changeset	1156
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31184 diff changeset	1157 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate liboctave/numeric/oct-fftw.cc @ 31605:e88a07dec498 stable