/* * Copyright (c) 2003, 2006 Matteo Frigo * Copyright (c) 2003, 2006 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_c2r)(int rank, const int *n, int howmany, C *in, const int *inembed, int istride, int idist, R *out, const int *onembed, int ostride, int odist, unsigned flags) { R *ri, *ii; int *nfi, *nfo; int inplace; X(plan) p; if (!X(many_kosherp)(rank, n, howmany)) return 0; X(extract_reim)(FFT_SIGN, in, &ri, &ii); inplace = out == ri; if (!inplace) flags |= FFTW_DESTROY_INPUT; p = X(mkapiplan)( 0, flags, X(mkproblem_rdft2_d)( X(mktensor_rowmajor)( rank, n, X (rdft2_pad)(rank, n, inembed, inplace, 1, &nfi), X (rdft2_pad)(rank, n, onembed, inplace, 0, &nfo), 2 * istride, ostride), X(mktensor_1d)(howmany, 2 * idist, odist), TAINT_UNALIGNED(out, flags), TAINT_UNALIGNED(ri, flags), TAINT_UNALIGNED(ii, flags), HC2R)); X(ifree0)(nfi); X(ifree0)(nfo); return p; }

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