furnace/extern/fftw/kernel/stride.c

46 lines
1.2 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 "kernel/ifftw.h"
const INT X(an_INT_guaranteed_to_be_zero) = 0;
#ifdef PRECOMPUTE_ARRAY_INDICES
stride X(mkstride)(INT n, INT s)
{
int i;
INT *p;
A(n >= 0);
p = (INT *) MALLOC((size_t)n * sizeof(INT), STRIDES);
for (i = 0; i < n; ++i)
p[i] = s * i;
return p;
}
void X(stride_destroy)(stride p)
{
X(ifree0)(p);
}
#endif