annotate src/fftw-3.3.3/api/plan-guru-dft-c2r.h @ 23:619f715526df sv_v2.1

Update Vamp plugin SDK to 2.5

/*
 * Copyright (c) 2003, 2007-11 Matteo Frigo
 * Copyright (c) 2003, 2007-11 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include "api.h"
#include "rdft.h"

X(plan) XGURU(dft_c2r)(int rank, const IODIM *dims,
		       int howmany_rank, const IODIM *howmany_dims,
		       C *in, R *out, unsigned flags)
{
     R *ri, *ii;

     if (!GURU_KOSHERP(rank, dims, howmany_rank, howmany_dims)) return 0;

     EXTRACT_REIM(FFT_SIGN, in, &ri, &ii);

     if (out != ri)
	  flags |= FFTW_DESTROY_INPUT;
     return X(mkapiplan)(
	  0, flags, 
	  X(mkproblem_rdft2_d_3pointers)(
	       MKTENSOR_IODIMS(rank, dims, 2, 1),
	       MKTENSOR_IODIMS(howmany_rank, howmany_dims, 2, 1),
	       TAINT_UNALIGNED(out, flags),
	       TAINT_UNALIGNED(ri, flags),
	       TAINT_UNALIGNED(ii, flags), HC2R));
}