diff options
Diffstat (limited to 'src/fftw3/api/plan-guru-split-dft.c')
-rw-r--r-- | src/fftw3/api/plan-guru-split-dft.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/fftw3/api/plan-guru-split-dft.c b/src/fftw3/api/plan-guru-split-dft.c new file mode 100644 index 0000000..62437c2 --- /dev/null +++ b/src/fftw3/api/plan-guru-split-dft.c @@ -0,0 +1,39 @@ +/* + * 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 "dft.h" + +X(plan) X(plan_guru_split_dft)(int rank, const X(iodim) *dims, + int howmany_rank, const X(iodim) *howmany_dims, + R *ri, R *ii, R *ro, R *io, unsigned flags) +{ + if (!X(guru_kosherp)(rank, dims, howmany_rank, howmany_dims)) return 0; + + return X(mkapiplan)( + ii - ri == 1 && io - ro == 1 ? FFT_SIGN : -FFT_SIGN, flags, + X(mkproblem_dft_d)(X(mktensor_iodims)(rank, dims, 1, 1), + X(mktensor_iodims)(howmany_rank, howmany_dims, + 1, 1), + TAINT_UNALIGNED(ri, flags), + TAINT_UNALIGNED(ii, flags), + TAINT_UNALIGNED(ro, flags), + TAINT_UNALIGNED(io, flags))); +} |