39 lines
1.3 KiB
C
39 lines
1.3 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 "rdft/rdft.h"
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/* Deal with annoyance because the tensor (is,os) applies to
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(r,rio/iio) for R2HC and vice-versa for HC2R. We originally had
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(is,os) always apply to (r,rio/iio), but this causes other
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headaches with the tensor functions. */
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void X(rdft2_strides)(rdft_kind kind, const iodim *d, INT *rs, INT *cs)
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{
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if (kind == R2HC) {
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*rs = d->is;
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*cs = d->os;
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}
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else {
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A(kind == HC2R);
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*rs = d->os;
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*cs = d->is;
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}
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}
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