git.distorted.org.uk Git - u/mdw/catacomb/blob - calc/gfx-test.cal

   1 /* -*-apcalc-*-
   2  *
   3  * $Id: gfx-test.cal,v 1.1 2000/10/08 16:01:37 mdw Exp $
   4  *
   5  * Generate test cases for %$\gf{2}[x]$% arithmetic
   6  *
   7  * (c) 2000 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: gfx-test.cal,v $
  33  * Revision 1.1  2000/10/08 16:01:37  mdw
  34  * Prototypes of various bits of code.
  35  *
  36  */
  37
  38 /*----- External units ----------------------------------------------------*/
  39
  40 read gfx;
  41
  42 /*----- Global variables --------------------------------------------------*/
  43
  44 global op = "+", n = 40, bits = 128;
  45
  46 /*----- Main code ---------------------------------------------------------*/
  47
  48 dummy = config("lib_debug", -1);
  49
  50 define gfx_test() {
  51   local i, j, x;
  52   local a, b, l;
  53
  54   for (i = 0; i < n; i++) {
  55
  56     /* --- Select the inputs and produce the outputs --- */
  57
  58     switch (op) {
  59       case '+':
  60       case '-':
  61         a = gf(random(1 << bits));
  62         b = gf(random(1 << bits));
  63         l = list(a, b, a + b);
  64         break;
  65       case '*':
  66         a = gf(random(1 << bits));
  67         b = gf(random(1 << bits));
  68         l = list(a, b, a * b);
  69         break;
  70       case '2':
  71         a = gf(random(1 << bits));
  72         l = list(a, a * a);
  73         break;
  74       case '/':
  75         a = gf(random(1 << (bits + random(bits))));
  76         b = gf(random(1 << bits));
  77         l = list(a, b, a / b, a % b);
  78         break;
  79       default:
  80         exit "unknown operator";
  81         break;
  82     }
  83
  84     /* --- Output the test vector --- *
  85      *
  86      * Be careful to ensure that it has an even number of hex digits in each
  87      * number.
  88      */
  89
  90     for (j = 0; j < size(l); j++) {
  91       x = strprintf("%x", l[[j]].x);
  92       if (strlen(x) > 1)
  93         x = substr(x, 3, strlen(x) - 2);
  94       if (strlen(x) % 2)
  95         x = strcat("0", x);
  96       x = strcat("  ", x);
  97       if (j)
  98         x = strcat("  ", x);
  99       if (j == size(l) - 1)
 100         x = strcat(x, ";");
 101       printf("%s\n", x);
 102     }
 103   }
 104 }
 105
 106 /*----- That's all, folks -------------------------------------------------*/