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40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "api/api.h"
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#include "dft/dft.h"
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X(plan) XGURU(split_dft)(int rank, const IODIM *dims,
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int howmany_rank, const IODIM *howmany_dims,
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R *ri, R *ii, R *ro, R *io, unsigned flags)
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{
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if (!GURU_KOSHERP(rank, dims, howmany_rank, howmany_dims)) return 0;
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return X(mkapiplan)(
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ii - ri == 1 && io - ro == 1 ? FFT_SIGN : -FFT_SIGN, flags,
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X(mkproblem_dft_d)(MKTENSOR_IODIMS(rank, dims, 1, 1),
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MKTENSOR_IODIMS(howmany_rank, howmany_dims,
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1, 1),
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TAINT_UNALIGNED(ri, flags),
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TAINT_UNALIGNED(ii, flags),
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TAINT_UNALIGNED(ro, flags),
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TAINT_UNALIGNED(io, flags)));
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}
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