path: root/tests/rand/t-rand.c

/* t-rand -- Test random number generators.  */

/*
Copyright 2000, 2001 Free Software Foundation, Inc.

This file is part of the GNU MP Library test suite.

The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.

The GNU MP Library test suite is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
Public License for more details.

You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */

#include <stdlib.h>
#include <stdio.h>
#include "gmp.h"

#define SEED 1
#define BASE 16
#define ENTS 10			/* Number of entries in array when
				   printing.  */

/* These were generated by this very program.  Do not edit!  */
/* Integers.  */
const char *z1[ENTS] = {"0", "1", "1", "1", "1", "0", "1", "1", "1", "1"};
const char *z2[ENTS] = {"0", "3", "1", "3", "3", "0", "3", "3", "3", "1"};
const char *z3[ENTS] = {"4", "3", "1", "7", "3", "0", "3", "3", "3", "1"};
const char *z4[ENTS] = {"c", "3", "1", "f", "b", "8", "3", "3", "3", "1"};
const char *z5[ENTS] = {"1c", "13", "11", "1f", "b", "18", "3", "13", "3", "1"};

const char *z10[ENTS] = {"29c", "213", "f1", "17f", "12b", "178", "383", "d3", "3a3", "281"};

const char *z15[ENTS] = {"29c", "1a13", "74f1", "257f", "592b", "4978", "4783", "7cd3", "5ba3", "4681"};
const char *z16[ENTS] = {"29c", "9a13", "74f1", "a57f", "d92b", "4978", "c783", "fcd3", "5ba3", "c681"};
const char *z17[ENTS] = {"51e", "f17a", "54ff", "1a335", "cf65", "5d6f", "583f", "618f", "1bc6", "98ff"};

const char *z31[ENTS] = {"3aecd515", "13ae8ec6", "518c8090", "81ca077", "70b7134", "7ee78d71", "323a7636", "2122cb1a", "19811941", "41fd605"};
const char *z32[ENTS] = {"baecd515", "13ae8ec6", "518c8090", "881ca077", "870b7134", "7ee78d71", "323a7636", "a122cb1a", "99811941", "841fd605"};
const char *z33[ENTS] = {"1faf4cca", "15d6ef83b", "9095fe72", "1b6a3dff6", "b17cbddd", "16e5209d4", "6f65b12c", "493bbbc6", "abf2a5d5", "6d491a3c"};

const char *z63[ENTS] = {"48a74f367fa7b5c8", "3ba9e9dc1b263076", "1e0ac84e7678e0fb", "11416581728b3e35", "36ab610523f0f1f7", "3e540e8e95c0eb4b", "439ae16057dbc9d3", "734fb260db243950", "7d3a317effc289bf", "1d80301fb3d1a0d1"};
const char *z64[ENTS] = {"48a74f367fa7b5c8", "bba9e9dc1b263076", "9e0ac84e7678e0fb", "11416581728b3e35", "b6ab610523f0f1f7", "be540e8e95c0eb4b", "439ae16057dbc9d3", "f34fb260db243950", "fd3a317effc289bf", "1d80301fb3d1a0d1"};
const char *z65[ENTS] = {"1ff77710d846d49f0", "1b1411701d709ee10", "31ffa81a208b6af4", "446638d431d3c681", "df5c569d5baa8b55", "197d99ea9bf28e5a0", "191ade09edd94cfae", "194acefa6dde5e18d", "1afc1167c56272d92", "d092994da72f206f"};

const char *z127[ENTS] = {"2f66ba932aaf58a071fd8f0742a99a0c", "73cfa3c664c9c1753507ca60ec6b8425", "53ea074ca131dec12cd68b8aa8e20278", "3cf5ac8c343532f8a53cc0eb47581f73", "50c11d5869e208aa1b9aa317b8c2d0a9", "b23163c892876472b1ef19642eace09", "489f4c03d41f87509c8d6c90ce674f95", "2ab8748c96aa6762ea1932b44c9d7164", "98cb5591fc05ad31afbbc1d67b90edd", "77848bb991fd0be331adcf1457fbc672"};
const char *z128[ENTS] = {"af66ba932aaf58a071fd8f0742a99a0c", "73cfa3c664c9c1753507ca60ec6b8425", "53ea074ca131dec12cd68b8aa8e20278", "3cf5ac8c343532f8a53cc0eb47581f73", "50c11d5869e208aa1b9aa317b8c2d0a9", "8b23163c892876472b1ef19642eace09", "489f4c03d41f87509c8d6c90ce674f95", "aab8748c96aa6762ea1932b44c9d7164", "98cb5591fc05ad31afbbc1d67b90edd", "f7848bb991fd0be331adcf1457fbc672"};

/* Floats.  */
const char *f1[ENTS] = {"0.@0", "0.8@0", "0.8@0", "0.8@0", "0.8@0", "0.@0", "0.8@0", "0.8@0", "0.8@0", "0.8@0"};
const char *f2[ENTS] = {"0.@0", "0.c@0", "0.4@0", "0.c@0", "0.c@0", "0.@0", "0.c@0", "0.c@0", "0.c@0", "0.4@0"};
const char *f3[ENTS] = {"0.8@0", "0.6@0", "0.2@0", "0.e@0", "0.6@0", "0.@0", "0.6@0", "0.6@0", "0.6@0", "0.2@0"};
const char *f4[ENTS] = {"0.c@0", "0.3@0", "0.1@0", "0.f@0", "0.b@0", "0.8@0", "0.3@0", "0.3@0", "0.3@0", "0.1@0"};
const char *f5[ENTS] = {"0.e@0", "0.98@0", "0.88@0", "0.f8@0", "0.58@0", "0.c@0", "0.18@0", "0.98@0", "0.18@0", "0.8@-1"};

const char *f10[ENTS] = {"0.a7@0", "0.84c@0", "0.3c4@0", "0.5fc@0", "0.4ac@0", "0.5e@0", "0.e0c@0", "0.34c@0", "0.e8c@0", "0.a04@0"};

const char *f15[ENTS] = {"0.538@-1", "0.3426@0", "0.e9e2@0", "0.4afe@0", "0.b256@0", "0.92f@0", "0.8f06@0", "0.f9a6@0", "0.b746@0", "0.8d02@0"};
const char *f16[ENTS] = {"0.29c@-1", "0.9a13@0", "0.74f1@0", "0.a57f@0", "0.d92b@0", "0.4978@0", "0.c783@0", "0.fcd3@0", "0.5ba3@0", "0.c681@0"};
const char *f17[ENTS] = {"0.28f@-1", "0.78bd@0", "0.2a7f8@0", "0.d19a8@0", "0.67b28@0", "0.2eb78@0", "0.2c1f8@0", "0.30c78@0", "0.de3@-1", "0.4c7f8@0"};

const char *f31[ENTS] = {"0.75d9aa2a@0", "0.275d1d8c@0", "0.a319012@0", "0.103940ee@0", "0.e16e268@-1", "0.fdcf1ae2@0", "0.6474ec6c@0", "0.42459634@0", "0.33023282@0", "0.83fac0a@-1"};
const char *f32[ENTS] = {"0.baecd515@0", "0.13ae8ec6@0", "0.518c809@0", "0.881ca077@0", "0.870b7134@0", "0.7ee78d71@0", "0.323a7636@0", "0.a122cb1a@0", "0.99811941@0", "0.841fd605@0"};
const char *f33[ENTS] = {"0.fd7a665@-1", "0.aeb77c1d8@0", "0.484aff39@0", "0.db51effb@0", "0.58be5eee8@0", "0.b72904ea@0", "0.37b2d896@0", "0.249ddde3@0", "0.55f952ea8@0", "0.36a48d1e@0"};

const char *f63[ENTS] = {"0.914e9e6cff4f6b9@0", "0.7753d3b8364c60ec@0", "0.3c15909cecf1c1f6@0", "0.2282cb02e5167c6a@0", "0.6d56c20a47e1e3ee@0", "0.7ca81d1d2b81d696@0", "0.8735c2c0afb793a6@0", "0.e69f64c1b64872a@0", "0.fa7462fdff85137e@0", "0.3b00603f67a341a2@0"};
const char *f64[ENTS] = {"0.48a74f367fa7b5c8@0", "0.bba9e9dc1b263076@0", "0.9e0ac84e7678e0fb@0", "0.11416581728b3e35@0", "0.b6ab610523f0f1f7@0", "0.be540e8e95c0eb4b@0", "0.439ae16057dbc9d3@0", "0.f34fb260db24395@0", "0.fd3a317effc289bf@0", "0.1d80301fb3d1a0d1@0"};
const char *f65[ENTS] = {"0.ffbbb886c236a4f8@0", "0.d8a08b80eb84f708@0", "0.18ffd40d1045b57a@0", "0.22331c6a18e9e3408@0", "0.6fae2b4eadd545aa8@0", "0.cbeccf54df9472d@0", "0.c8d6f04f6eca67d7@0", "0.ca5677d36ef2f0c68@0", "0.d7e08b3e2b1396c9@0", "0.68494ca6d39790378@0"};

const char *f127[ENTS] = {"0.5ecd7526555eb140e3fb1e0e85533418@0", "0.e79f478cc99382ea6a0f94c1d8d7084a@0", "0.a7d40e994263bd8259ad171551c404f@0", "0.79eb5918686a65f14a7981d68eb03ee6@0", "0.a1823ab0d3c411543735462f7185a152@0", "0.16462c791250ec8e563de32c85d59c12@0", "0.913e9807a83f0ea1391ad9219cce9f2a@0", "0.5570e9192d54cec5d4326568993ae2c8@0", "0.13196ab23f80b5a635f7783acf721dba@0", "0.ef09177323fa17c6635b9e28aff78ce4@0"};
const char *f128[ENTS] = {"0.af66ba932aaf58a071fd8f0742a99a0c@0", "0.73cfa3c664c9c1753507ca60ec6b8425@0", "0.53ea074ca131dec12cd68b8aa8e20278@0", "0.3cf5ac8c343532f8a53cc0eb47581f73@0", "0.50c11d5869e208aa1b9aa317b8c2d0a9@0", "0.8b23163c892876472b1ef19642eace09@0", "0.489f4c03d41f87509c8d6c90ce674f95@0", "0.aab8748c96aa6762ea1932b44c9d7164@0", "0.98cb5591fc05ad31afbbc1d67b90edd@-1", "0.f7848bb991fd0be331adcf1457fbc672@0"};


struct rt
{
  const char **s;
  int nbits;
};

static struct rt zarr[] =
{
  {z1, 1},
  {z2, 2},
  {z3, 3},
  {z4, 4},
  {z5, 5},
  {z10, 10},
  {z15, 15},
  {z16, 16},
  {z17, 17},
  {z31, 31},
  {z32, 32},
  {z33, 33},
  {z63, 63},
  {z64, 64},
  {z65, 65},
  {z127, 127},
  {z128, 128},
  {NULL, 0}
};

static struct rt farr[] =
{
  {f1, 1},
  {f2, 2},
  {f3, 3},
  {f4, 4},
  {f5, 5},
  {f10, 10},
  {f15, 15},
  {f16, 16},
  {f17, 17},
  {f31, 31},
  {f32, 32},
  {f33, 33},
  {f63, 63},
  {f64, 64},
  {f65, 65},
  {f127, 127},
  {f128, 128},
  {NULL, 0}
};


int
main (int argc, char *argv[])
{
  static char usage[] = "\
usage: t-rand [function nbits]\n\
  function is one of z, f\n\
  nbits is number of bits\n\
";
  gmp_randstate_t rstate;
  mpz_t z, rz;
  mpf_t f, rf;
  enum { Z, F } func = Z;
  int nbits = 1;
  int verify_mode_flag = 1;
  int i;
  struct rt *a;


  if (argc > 1)
    {
      if (argc < 3)
	{
	  fputs (usage, stderr);
	  exit (1);
	}
      verify_mode_flag = 0;
      if (*argv[1] == 'z')
	func = Z;
      if (*argv[1] == 'f')
	func = F;
      nbits = atoi (argv[2]);
    }

  mpz_init (rz);

  if (verify_mode_flag)
    {
#ifdef VERBOSE
      printf ("%s: verifying random numbers: ", argv[0]);
#endif

      /* Test z.  */
      mpz_init (z);
      for (a = zarr; a->s != NULL; a++)
	{
	  gmp_randinit (rstate, GMP_RAND_ALG_LC, a->nbits);
	  if (gmp_errno != GMP_ERROR_NONE)
	    exit (1);
	  gmp_randseed_ui (rstate, SEED);

	  for (i = 0; i < ENTS; i++)
	    {
	      mpz_urandomb (rz, rstate, a->nbits);
	      mpz_set_str (z, a->s[i], BASE);
	      if (mpz_cmp (z, rz) != 0)
		{
		  printf ("z%d: ", a->nbits);
		  mpz_out_str (stdout, BASE, rz);
		  printf (" should be ");
		  mpz_out_str (stdout, BASE, z);
		  puts ("");
		  exit (1);
		}
	    }
#ifdef VERBOSE
	  printf ("z%d ", a->nbits);
#endif
	  gmp_randclear (rstate);
	}
      mpz_clear (z);


      /* Test f.  */
      for (a = farr; a->s != NULL; a++)
	{
	  gmp_randinit (rstate, GMP_RAND_ALG_LC, a->nbits);
	  if (gmp_errno != GMP_ERROR_NONE)
	    exit (1);
	  gmp_randseed_ui (rstate, SEED);

	  mpf_init2 (f, a->nbits);
	  mpf_init2 (rf, a->nbits);
	  for (i = 0; i < ENTS; i++)
	    {
	      mpf_urandomb (rf, rstate, a->nbits);
	      mpf_set_str (f, a->s[i], BASE);
	      if (mpf_cmp (f, rf) != 0)
		{
		  printf ("f%d: ", a->nbits);
		  mpf_out_str (stdout, BASE, a->nbits, rf);
		  printf (" should be ");
		  mpf_out_str (stdout, BASE, a->nbits, f);
		  puts ("");
		  exit (1);
		}
	    }
#ifdef VERBOSE
	  printf ("f%d ", a->nbits);
#endif
	  gmp_randclear (rstate);
	  mpf_clear (f);
	  mpf_clear (rf);
	}

#ifdef VERBOSE
      puts ("");
#endif
    }
  else				/* Print mode.  */
    {
      gmp_randinit (rstate, GMP_RAND_ALG_LC, nbits);
      if (gmp_errno != GMP_ERROR_NONE)
	exit (1);
      gmp_randseed_ui (rstate, SEED);

      switch (func)
	{
	case Z:
	  printf ("char *z%d[ENTS] = {", nbits);
	  for (i = 0; i < ENTS; i++)
	    {
	      mpz_urandomb (rz, rstate, nbits);
	      printf ("\"");
	      mpz_out_str (stdout, BASE, rz);
	      printf ("\"");
	      if (i != ENTS - 1)
		printf (", ");
	    }
	  printf ("};\n");
	  printf ("  {z%d, %d},\n", nbits, nbits);
	  break;

	case F:
	  printf ("char *f%d[ENTS] = {", nbits);
	  mpf_init2 (rf, nbits);
	  for (i = 0; i < ENTS; i++)
	    {
	      mpf_urandomb (rf, rstate, nbits);
	      printf ("\"");
	      mpf_out_str (stdout, BASE, nbits, rf);
	      printf ("\"");
	      if (i != ENTS - 1)
		printf (", ");
	    }
	  printf ("};\n");
	  printf ("  {f%d, %d},\n", nbits, nbits);
	  mpf_clear (rf);
	  break;

	default:
	  exit (1);
	}

      gmp_randclear (rstate);
    }

  mpz_clear (rz);

  return 0;
}