/* Test gmp_randinit_set.

Copyright 2003 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 <stdio.h>

#include <stdlib.h>

#include "gmp.h"

#include "gmp-impl.h"

#include "tests.h"

/* expect after a gmp_randinit_set that the new and old generators will

   produce the same sequence of numbers */

void

check_one (const char *name, gmp_randstate_ptr src)

{

  gmp_randstate_t dst;

  mpz_t  sz, dz;

  int    i;

  gmp_randinit_set (dst, src);

  mpz_init (sz);

  mpz_init (dz);

  for (i = 0; i < 20; i++)

    {

      mpz_urandomb (sz, src, 123);

      mpz_urandomb (dz, dst, 123);

      if (mpz_cmp (sz, dz) != 0)

        {

          printf     ("gmp_randinit_set didn't duplicate randstate\n");

          printf     ("  algorithm: %s\n", name);

          gmp_printf ("  from src:  %#Zx\n", sz);

          gmp_printf ("  from dst:  %#Zx\n", dz);

          abort ();

        }

    }

  mpz_clear (sz);

  mpz_clear (dz);

  gmp_randclear (dst);

}

int

main (int argc, char *argv[])

{

  tests_start ();

  call_rand_algs (check_one);

  tests_end ();

  exit (0);

}