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/*
* Copyright (c) 2003 Matteo Frigo
* Copyright (c) 2003 Massachusetts Institute of Technology
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "api.h"
#include "rdft.h"
X(plan) X(plan_many_dft_r2c)(int rank, const int *n,
int howmany,
R *in, const int *inembed,
int istride, int idist,
C *out, const int *onembed,
int ostride, int odist, unsigned flags)
{
R *ro, *io;
int *nfi, *nfo;
int inplace;
X(plan) p;
if (!X(many_kosherp)(rank, n, howmany)) return 0;
X(extract_reim)(FFT_SIGN, out, &ro, &io);
inplace = in == ro;
p = X(mkapiplan)(
0, flags,
X(mkproblem_rdft2_d)(
X(mktensor_rowmajor)(
rank, n,
X(rdft2_pad)(rank, n, inembed, inplace, 0, &nfi),
X(rdft2_pad)(rank, n, onembed, inplace, 1, &nfo),
istride, 2 * ostride),
X(mktensor_1d)(howmany, idist, 2 * odist),
TAINT_UNALIGNED(in, flags),
TAINT_UNALIGNED(ro, flags), TAINT_UNALIGNED(io, flags),
R2HC));
X(ifree0)(nfi);
X(ifree0)(nfo);
return p;
}
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