furnace/extern/fftw/libbench2/dotens2.c
2022-05-31 03:24:29 -05:00

54 lines
1.7 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 "verify.h"
static void recur(int rnk, const bench_iodim *dims0, const bench_iodim *dims1,
dotens2_closure *k,
int indx0, int ondx0, int indx1, int ondx1)
{
if (rnk == 0)
k->apply(k, indx0, ondx0, indx1, ondx1);
else {
int i, n = dims0[0].n;
int is0 = dims0[0].is;
int os0 = dims0[0].os;
int is1 = dims1[0].is;
int os1 = dims1[0].os;
BENCH_ASSERT(n == dims1[0].n);
for (i = 0; i < n; ++i) {
recur(rnk - 1, dims0 + 1, dims1 + 1, k,
indx0, ondx0, indx1, ondx1);
indx0 += is0; ondx0 += os0;
indx1 += is1; ondx1 += os1;
}
}
}
void bench_dotens2(const bench_tensor *sz0, const bench_tensor *sz1, dotens2_closure *k)
{
BENCH_ASSERT(sz0->rnk == sz1->rnk);
if (sz0->rnk == BENCH_RNK_MINFTY)
return;
recur(sz0->rnk, sz0->dims, sz1->dims, k, 0, 0, 0, 0);
}