Chris@10: /*
Chris@10:  * Copyright (c) 2003, 2007-11 Matteo Frigo
Chris@10:  * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
Chris@10:  *
Chris@10:  * This program is free software; you can redistribute it and/or modify
Chris@10:  * it under the terms of the GNU General Public License as published by
Chris@10:  * the Free Software Foundation; either version 2 of the License, or
Chris@10:  * (at your option) any later version.
Chris@10:  *
Chris@10:  * This program is distributed in the hope that it will be useful,
Chris@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@10:  * GNU General Public License for more details.
Chris@10:  *
Chris@10:  * You should have received a copy of the GNU General Public License
Chris@10:  * along with this program; if not, write to the Free Software
Chris@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@10:  *
Chris@10:  */
Chris@10: 
Chris@10: #include "api.h"
Chris@10: #include "dft.h"
Chris@10: 
Chris@10: X(plan) XGURU(split_dft)(int rank, const IODIM *dims,
Chris@10: 			       int howmany_rank, const IODIM *howmany_dims,
Chris@10: 			       R *ri, R *ii, R *ro, R *io, unsigned flags)
Chris@10: {
Chris@10:      if (!GURU_KOSHERP(rank, dims, howmany_rank, howmany_dims)) return 0;
Chris@10: 
Chris@10:      return X(mkapiplan)(
Chris@10: 	  ii - ri == 1 && io - ro == 1 ? FFT_SIGN : -FFT_SIGN, flags,
Chris@10: 	  X(mkproblem_dft_d)(MKTENSOR_IODIMS(rank, dims, 1, 1),
Chris@10: 			     MKTENSOR_IODIMS(howmany_rank, howmany_dims,
Chris@10: 						1, 1),
Chris@10: 			     TAINT_UNALIGNED(ri, flags),
Chris@10: 			     TAINT_UNALIGNED(ii, flags), 
Chris@10: 			     TAINT_UNALIGNED(ro, flags),
Chris@10: 			     TAINT_UNALIGNED(io, flags)));
Chris@10: }