mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-10 14:55:06 +00:00
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2003, 2007-14 Matteo Frigo
|
||
|
|
* Copyright (c) 2003, 2007-14 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "rdft/rdft.h"
|
||
|
|
|
||
|
|
/* Deal with annoyance because the tensor (is,os) applies to
|
||
|
|
(r,rio/iio) for R2HC and vice-versa for HC2R. We originally had
|
||
|
|
(is,os) always apply to (r,rio/iio), but this causes other
|
||
|
|
headaches with the tensor functions. */
|
||
|
|
void X(rdft2_strides)(rdft_kind kind, const iodim *d, INT *rs, INT *cs)
|
||
|
|
{
|
||
|
|
if (kind == R2HC) {
|
||
|
|
*rs = d->is;
|
||
|
|
*cs = d->os;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
A(kind == HC2R);
|
||
|
|
*rs = d->os;
|
||
|
|
*cs = d->is;
|
||
|
|
}
|
||
|
|
}
|