annotate src/fftw-3.3.8/kernel/stride.c @ 84:08ae793730bd

Add null config files
author Chris Cannam
date Mon, 02 Mar 2020 14:03:47 +0000
parents d0c2a83c1364
children
rev   line source
Chris@82 1 /*
Chris@82 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@82 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@82 4 *
Chris@82 5 * This program is free software; you can redistribute it and/or modify
Chris@82 6 * it under the terms of the GNU General Public License as published by
Chris@82 7 * the Free Software Foundation; either version 2 of the License, or
Chris@82 8 * (at your option) any later version.
Chris@82 9 *
Chris@82 10 * This program is distributed in the hope that it will be useful,
Chris@82 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@82 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@82 13 * GNU General Public License for more details.
Chris@82 14 *
Chris@82 15 * You should have received a copy of the GNU General Public License
Chris@82 16 * along with this program; if not, write to the Free Software
Chris@82 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@82 18 *
Chris@82 19 */
Chris@82 20
Chris@82 21 #include "kernel/ifftw.h"
Chris@82 22
Chris@82 23 const INT X(an_INT_guaranteed_to_be_zero) = 0;
Chris@82 24
Chris@82 25 #ifdef PRECOMPUTE_ARRAY_INDICES
Chris@82 26 stride X(mkstride)(INT n, INT s)
Chris@82 27 {
Chris@82 28 int i;
Chris@82 29 INT *p;
Chris@82 30
Chris@82 31 A(n >= 0);
Chris@82 32 p = (INT *) MALLOC((size_t)n * sizeof(INT), STRIDES);
Chris@82 33
Chris@82 34 for (i = 0; i < n; ++i)
Chris@82 35 p[i] = s * i;
Chris@82 36
Chris@82 37 return p;
Chris@82 38 }
Chris@82 39
Chris@82 40 void X(stride_destroy)(stride p)
Chris@82 41 {
Chris@82 42 X(ifree0)(p);
Chris@82 43 }
Chris@82 44
Chris@82 45 #endif