annotate src/fftw-3.3.5/api/plan-many-dft-r2c.c @ 46:efe5b9f38b13

Debug build of Rubber Band Library
author Chris Cannam
date Wed, 19 Oct 2016 17:32:56 +0100
parents 2cd0e3b3e1fd
children
rev   line source
Chris@42 1 /*
Chris@42 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42 4 *
Chris@42 5 * This program is free software; you can redistribute it and/or modify
Chris@42 6 * it under the terms of the GNU General Public License as published by
Chris@42 7 * the Free Software Foundation; either version 2 of the License, or
Chris@42 8 * (at your option) any later version.
Chris@42 9 *
Chris@42 10 * This program is distributed in the hope that it will be useful,
Chris@42 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@42 13 * GNU General Public License for more details.
Chris@42 14 *
Chris@42 15 * You should have received a copy of the GNU General Public License
Chris@42 16 * along with this program; if not, write to the Free Software
Chris@42 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@42 18 *
Chris@42 19 */
Chris@42 20
Chris@42 21 #include "api.h"
Chris@42 22 #include "rdft.h"
Chris@42 23
Chris@42 24 X(plan) X(plan_many_dft_r2c)(int rank, const int *n,
Chris@42 25 int howmany,
Chris@42 26 R *in, const int *inembed,
Chris@42 27 int istride, int idist,
Chris@42 28 C *out, const int *onembed,
Chris@42 29 int ostride, int odist, unsigned flags)
Chris@42 30 {
Chris@42 31 R *ro, *io;
Chris@42 32 int *nfi, *nfo;
Chris@42 33 int inplace;
Chris@42 34 X(plan) p;
Chris@42 35
Chris@42 36 if (!X(many_kosherp)(rank, n, howmany)) return 0;
Chris@42 37
Chris@42 38 EXTRACT_REIM(FFT_SIGN, out, &ro, &io);
Chris@42 39 inplace = in == ro;
Chris@42 40
Chris@42 41 p = X(mkapiplan)(
Chris@42 42 0, flags,
Chris@42 43 X(mkproblem_rdft2_d_3pointers)(
Chris@42 44 X(mktensor_rowmajor)(
Chris@42 45 rank, n,
Chris@42 46 X(rdft2_pad)(rank, n, inembed, inplace, 0, &nfi),
Chris@42 47 X(rdft2_pad)(rank, n, onembed, inplace, 1, &nfo),
Chris@42 48 istride, 2 * ostride),
Chris@42 49 X(mktensor_1d)(howmany, idist, 2 * odist),
Chris@42 50 TAINT_UNALIGNED(in, flags),
Chris@42 51 TAINT_UNALIGNED(ro, flags), TAINT_UNALIGNED(io, flags),
Chris@42 52 R2HC));
Chris@42 53
Chris@42 54 X(ifree0)(nfi);
Chris@42 55 X(ifree0)(nfo);
Chris@42 56 return p;
Chris@42 57 }