cannam@127: /*
cannam@127:  * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@127:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@127:  *
cannam@127:  * This program is free software; you can redistribute it and/or modify
cannam@127:  * it under the terms of the GNU General Public License as published by
cannam@127:  * the Free Software Foundation; either version 2 of the License, or
cannam@127:  * (at your option) any later version.
cannam@127:  *
cannam@127:  * This program is distributed in the hope that it will be useful,
cannam@127:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@127:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@127:  * GNU General Public License for more details.
cannam@127:  *
cannam@127:  * You should have received a copy of the GNU General Public License
cannam@127:  * along with this program; if not, write to the Free Software
cannam@127:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@127:  *
cannam@127:  */
cannam@127: 
cannam@127: #include "api.h"
cannam@127: #include "rdft.h"
cannam@127: 
cannam@127: X(plan) X(plan_many_dft_r2c)(int rank, const int *n,
cannam@127: 			     int howmany,
cannam@127: 			     R *in, const int *inembed,
cannam@127: 			     int istride, int idist,
cannam@127: 			     C *out, const int *onembed,
cannam@127: 			     int ostride, int odist, unsigned flags)
cannam@127: {
cannam@127:      R *ro, *io;
cannam@127:      int *nfi, *nfo;
cannam@127:      int inplace;
cannam@127:      X(plan) p;
cannam@127: 
cannam@127:      if (!X(many_kosherp)(rank, n, howmany)) return 0;
cannam@127: 
cannam@127:      EXTRACT_REIM(FFT_SIGN, out, &ro, &io);
cannam@127:      inplace = in == ro;
cannam@127: 
cannam@127:      p = X(mkapiplan)(
cannam@127: 	  0, flags, 
cannam@127: 	  X(mkproblem_rdft2_d_3pointers)(
cannam@127: 	       X(mktensor_rowmajor)(
cannam@127: 		    rank, n,
cannam@127: 		    X(rdft2_pad)(rank, n, inembed, inplace, 0, &nfi),
cannam@127: 		    X(rdft2_pad)(rank, n, onembed, inplace, 1, &nfo),
cannam@127: 		    istride, 2 * ostride), 
cannam@127: 	       X(mktensor_1d)(howmany, idist, 2 * odist),
cannam@127: 	       TAINT_UNALIGNED(in, flags),
cannam@127: 	       TAINT_UNALIGNED(ro, flags), TAINT_UNALIGNED(io, flags),
cannam@127: 	       R2HC));
cannam@127: 
cannam@127:      X(ifree0)(nfi);
cannam@127:      X(ifree0)(nfo);
cannam@127:      return p;
cannam@127: }