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t-mt.c
Package: gmp-5.0.1.tar.gz [view]
Upload User: qaz666999
Upload Date: 2022-08-06
Package Size: 2570k
Code Size: 2k
Category:
Algorithm
Development Platform:
Unix_Linux
- /* Test the Mersenne Twister random number generator.
- Copyright 2002 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser 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 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 Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- #include <stdio.h>
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- #ifndef TRUE
- #define TRUE (1)
- #endif
- #ifndef FALSE
- #define FALSE (0)
- #endif
- /* Test that the sequence without seeding equals the sequence with the
- default seed. */
- int
- chk_default_seed (void)
- {
- gmp_randstate_t r1, r2;
- mpz_t a, b;
- int i;
- int ok = TRUE;
- mpz_init2 (a, 19936L);
- mpz_init2 (b, 19936L);
- gmp_randinit_mt (r1);
- gmp_randinit_mt (r2);
- gmp_randseed_ui (r2, 5489L); /* Must match DEFAULT_SEED in randmt.c */
- for (i = 0; i < 3; i++)
- {
- /* Extract one whole buffer per iteration. */
- mpz_urandomb (a, r1, 19936L);
- mpz_urandomb (b, r2, 19936L);
- if (mpz_cmp (a, b) != 0)
- {
- ok = FALSE;
- printf ("Default seed fails in iteration %dn", i);
- break;
- }
- }
- gmp_randclear (r1);
- gmp_randclear (r2);
- mpz_clear (a);
- mpz_clear (b);
- return ok;
- }
- int
- main (int argc, char *argv[])
- {
- int ok;
- tests_start ();
- ok = chk_default_seed ();
- tests_end ();
- if (ok)
- return 0; /* pass */
- else
- return 1; /* fail */
- }