Fix bit operations. Test them (a bit) better.
[u/mdw/catacomb] / bittest.c
CommitLineData
75263f25 1/* -*-c-*-
2 *
3 * $Id: bittest.c,v 1.1 2002/10/19 17:56:50 mdw Exp $
4 *
5 * Check the bit operations work
6 *
7 * (c) 2002 Straylight/Edgeware
8 */
9
10/*----- Licensing notice --------------------------------------------------*
11 *
12 * This file is part of Catacomb.
13 *
14 * Catacomb is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) any later version.
18 *
19 * Catacomb is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
23 *
24 * You should have received a copy of the GNU Library General Public
25 * License along with Catacomb; if not, write to the Free
26 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
27 * MA 02111-1307, USA.
28 */
29
30/*----- Revision history --------------------------------------------------*
31 *
32 * $Log: bittest.c,v $
33 * Revision 1.1 2002/10/19 17:56:50 mdw
34 * Fix bit operations. Test them (a bit) better.
35 *
36 */
37
38/*----- Header files ------------------------------------------------------*/
39
40#include <stdio.h>
41#include <string.h>
42#include "bitops.h"
43#include "mpx.h"
44
45/*----- Main code ---------------------------------------------------------*/
46
47int main(void)
48{
49 int rc = 0;
50#define CHECK(string) do { \
51 const char *ref = #string; \
52 char buf[5]; \
53 buf[0] = B##string(0u, 0u) & 1u? '1' : '0'; \
54 buf[1] = B##string(0u, 1u) & 1u? '1' : '0'; \
55 buf[2] = B##string(1u, 0u) & 1u? '1' : '0'; \
56 buf[3] = B##string(1u, 1u) & 1u? '1' : '0'; \
57 buf[4] = 0; \
58 if (strcmp(buf, ref) != 0) { \
59 fprintf(stderr, "mismatch ref `%s' != buf `%s'\n", ref, buf); \
60 rc = 1; \
61 } \
62} while (0);
63 MPX_DOBIN(CHECK)
64 return (rc);
65}
66/*----- That's all, folks -------------------------------------------------*/