git.distorted.org.uk Git - u/mdw/catacomb/blob - bittest.c

   1 /* -*-c-*-
   2  *
   3  * $Id: bittest.c,v 1.2 2004/04/08 01:36:15 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 /*----- Header files ------------------------------------------------------*/
  31
  32 #include <stdio.h>
  33 #include <string.h>
  34 #include "bitops.h"
  35 #include "mpx.h"
  36
  37 /*----- Main code ---------------------------------------------------------*/
  38
  39 int main(void)
  40 {
  41   int rc = 0;
  42 #define CHECK(string) do {                                              \
  43   const char *ref = #string;                                            \
  44   char buf[5];                                                          \
  45   buf[0] = B##string(0u, 0u) & 1u? '1' : '0';                           \
  46   buf[1] = B##string(0u, 1u) & 1u? '1' : '0';                           \
  47   buf[2] = B##string(1u, 0u) & 1u? '1' : '0';                           \
  48   buf[3] = B##string(1u, 1u) & 1u? '1' : '0';                           \
  49   buf[4] = 0;                                                           \
  50   if (strcmp(buf, ref) != 0) {                                          \
  51     fprintf(stderr, "mismatch ref `%s' != buf `%s'\n", ref, buf);       \
  52     rc = 1;                                                             \
  53   }                                                                     \
  54 } while (0);
  55   MPX_DOBIN(CHECK)
  56   return (rc);
  57 }
  58 /*----- That's all, folks -------------------------------------------------*/