/* * 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.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; } }