math/gfreduce.[ch]: Fix out-of-bounds memory access.
[u/mdw/catacomb] / math / bittest.c
CommitLineData
75263f25 1/* -*-c-*-
2 *
75263f25 3 * Check the bit operations work
4 *
5 * (c) 2002 Straylight/Edgeware
6 */
7
45c0fd36 8/*----- Licensing notice --------------------------------------------------*
75263f25 9 *
10 * This file is part of Catacomb.
11 *
12 * Catacomb is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
45c0fd36 16 *
75263f25 17 * Catacomb is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
45c0fd36 21 *
75263f25 22 * You should have received a copy of the GNU Library General Public
23 * License along with Catacomb; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * MA 02111-1307, USA.
26 */
27
75263f25 28/*----- Header files ------------------------------------------------------*/
29
30#include <stdio.h>
31#include <string.h>
32#include "bitops.h"
33#include "mpx.h"
34
35/*----- Main code ---------------------------------------------------------*/
36
37int main(void)
38{
39 int rc = 0;
40#define CHECK(string) do { \
41 const char *ref = #string; \
42 char buf[5]; \
43 buf[0] = B##string(0u, 0u) & 1u? '1' : '0'; \
44 buf[1] = B##string(0u, 1u) & 1u? '1' : '0'; \
45 buf[2] = B##string(1u, 0u) & 1u? '1' : '0'; \
46 buf[3] = B##string(1u, 1u) & 1u? '1' : '0'; \
47 buf[4] = 0; \
48 if (strcmp(buf, ref) != 0) { \
49 fprintf(stderr, "mismatch ref `%s' != buf `%s'\n", ref, buf); \
50 rc = 1; \
51 } \
52} while (0);
53 MPX_DOBIN(CHECK)
54 return (rc);
55}
56/*----- That's all, folks -------------------------------------------------*/