/security/nss/lib/freebl/mpi/tests/mptest-9.c

  1/*
  2 *    mptest-9.c
  3 *
  4 *   Test logical functions
  5 *
  6 * ***** BEGIN LICENSE BLOCK *****
  7 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  8 *
  9 * The contents of this file are subject to the Mozilla Public License Version
 10 * 1.1 (the "License"); you may not use this file except in compliance with
 11 * the License. You may obtain a copy of the License at
 12 * http://www.mozilla.org/MPL/
 13 *
 14 * Software distributed under the License is distributed on an "AS IS" basis,
 15 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 16 * for the specific language governing rights and limitations under the
 17 * License.
 18 *
 19 * The Original Code is the MPI Arbitrary Precision Integer Arithmetic library.
 20 *
 21 * The Initial Developer of the Original Code is
 22 * Michael J. Fromberger.
 23 * Portions created by the Initial Developer are Copyright (C) 1998
 24 * the Initial Developer. All Rights Reserved.
 25 *
 26 * Contributor(s):
 27 *
 28 * Alternatively, the contents of this file may be used under the terms of
 29 * either the GNU General Public License Version 2 or later (the "GPL"), or
 30 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 31 * in which case the provisions of the GPL or the LGPL are applicable instead
 32 * of those above. If you wish to allow use of your version of this file only
 33 * under the terms of either the GPL or the LGPL, and not to allow others to
 34 * use your version of this file under the terms of the MPL, indicate your
 35 * decision by deleting the provisions above and replace them with the notice
 36 * and other provisions required by the GPL or the LGPL. If you do not delete
 37 * the provisions above, a recipient may use your version of this file under
 38 * the terms of any one of the MPL, the GPL or the LGPL.
 39 *
 40 * ***** END LICENSE BLOCK ***** */
 41/* $Id: mptest-9.c,v 1.4 2004/04/27 23:04:37 gerv%gerv.net Exp $ */
 42
 43#include <stdio.h>
 44#include <stdlib.h>
 45#include <string.h>
 46#include <ctype.h>
 47#include <limits.h>
 48#include <time.h>
 49
 50#include "mpi.h"
 51#include "mplogic.h"
 52
 53int main(int argc, char *argv[])
 54{
 55  mp_int    a, b, c;
 56  int       pco;
 57  mp_err    res;
 58
 59  printf("Test 9: Logical functions\n\n");
 60
 61  if(argc < 3) {
 62    fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
 63    return 1;
 64  }
 65
 66  mp_init(&a); mp_init(&b); mp_init(&c);
 67  mp_read_radix(&a, argv[1], 16);
 68  mp_read_radix(&b, argv[2], 16);
 69
 70  printf("a       = "); mp_print(&a, stdout); fputc('\n', stdout);
 71  printf("b       = "); mp_print(&b, stdout); fputc('\n', stdout);
 72
 73  mpl_not(&a, &c);
 74  printf("~a      = "); mp_print(&c, stdout); fputc('\n', stdout);
 75
 76  mpl_and(&a, &b, &c);
 77  printf("a & b   = "); mp_print(&c, stdout); fputc('\n', stdout);
 78
 79  mpl_or(&a, &b, &c);
 80  printf("a | b   = "); mp_print(&c, stdout); fputc('\n', stdout);
 81
 82  mpl_xor(&a, &b, &c);
 83  printf("a ^ b   = "); mp_print(&c, stdout); fputc('\n', stdout);
 84
 85  mpl_rsh(&a, &c, 1);
 86  printf("a >>  1 = "); mp_print(&c, stdout); fputc('\n', stdout);
 87  mpl_rsh(&a, &c, 5);
 88  printf("a >>  5 = "); mp_print(&c, stdout); fputc('\n', stdout);
 89  mpl_rsh(&a, &c, 16);
 90  printf("a >> 16 = "); mp_print(&c, stdout); fputc('\n', stdout);
 91
 92  mpl_lsh(&a, &c, 1);
 93  printf("a <<  1 = "); mp_print(&c, stdout); fputc('\n', stdout);
 94  mpl_lsh(&a, &c, 5);
 95  printf("a <<  5 = "); mp_print(&c, stdout); fputc('\n', stdout);
 96  mpl_lsh(&a, &c, 16);
 97  printf("a << 16 = "); mp_print(&c, stdout); fputc('\n', stdout);
 98
 99  mpl_num_set(&a, &pco);
100  printf("population(a) = %d\n", pco);
101  mpl_num_set(&b, &pco);
102  printf("population(b) = %d\n", pco);
103
104  res = mpl_parity(&a);
105  if(res == MP_EVEN)
106    printf("a has even parity\n");
107  else
108    printf("a has odd parity\n");
109  
110  mp_clear(&c);
111  mp_clear(&b);
112  mp_clear(&a);
113
114  return 0;
115}
116