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
  53 int 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