diff options
Diffstat (limited to 'src/fftw3/api/plan-guru-dft-c2r.c')
-rw-r--r-- | src/fftw3/api/plan-guru-dft-c2r.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/fftw3/api/plan-guru-dft-c2r.c b/src/fftw3/api/plan-guru-dft-c2r.c new file mode 100644 index 0000000..0ab3a9c --- /dev/null +++ b/src/fftw3/api/plan-guru-dft-c2r.c @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2003 Matteo Frigo + * Copyright (c) 2003 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_guru_dft_c2r)(int rank, const X(iodim) *dims, + int howmany_rank, const X(iodim) *howmany_dims, + C *in, R *out, unsigned flags) +{ + R *ri, *ii; + + if (!X(guru_kosherp)(rank, dims, howmany_rank, howmany_dims)) return 0; + + X(extract_reim)(FFT_SIGN, in, &ri, &ii); + + if (out != ri) + flags |= FFTW_DESTROY_INPUT; + return X(mkapiplan)( + 0, flags, + X(mkproblem_rdft2_d)(X(mktensor_iodims)(rank, dims, 2, 1), + X(mktensor_iodims)(howmany_rank, howmany_dims, + 2, 1), + TAINT_UNALIGNED(out, flags), + TAINT_UNALIGNED(ri, flags), + TAINT_UNALIGNED(ii, flags), HC2R)); +} |