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 "rdft.h"
Chris@10: 
Chris@10: X(plan) XGURU(dft_c2r)(int rank, const IODIM *dims,
Chris@10: 		       int howmany_rank, const IODIM *howmany_dims,
Chris@10: 		       C *in, R *out, unsigned flags)
Chris@10: {
Chris@10:      R *ri, *ii;
Chris@10: 
Chris@10:      if (!GURU_KOSHERP(rank, dims, howmany_rank, howmany_dims)) return 0;
Chris@10: 
Chris@10:      EXTRACT_REIM(FFT_SIGN, in, &ri, &ii);
Chris@10: 
Chris@10:      if (out != ri)
Chris@10: 	  flags |= FFTW_DESTROY_INPUT;
Chris@10:      return X(mkapiplan)(
Chris@10: 	  0, flags, 
Chris@10: 	  X(mkproblem_rdft2_d_3pointers)(
Chris@10: 	       MKTENSOR_IODIMS(rank, dims, 2, 1),
Chris@10: 	       MKTENSOR_IODIMS(howmany_rank, howmany_dims, 2, 1),
Chris@10: 	       TAINT_UNALIGNED(out, flags),
Chris@10: 	       TAINT_UNALIGNED(ri, flags),
Chris@10: 	       TAINT_UNALIGNED(ii, flags), HC2R));
Chris@10: }