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author | Kevin Ryde <user42@zip.com.au> | 2003-03-29 00:32:56 +0100 |
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committer | Kevin Ryde <user42@zip.com.au> | 2003-03-29 00:32:56 +0100 |
commit | 99efd09a4224a27936f02a9492f2886fa5df5e8b (patch) | |
tree | 2da9646bf24afa14babc82a383f41c3d4097265a /tests/rand | |
parent | 13452532c9ae4a7501165c1f138d35a2d2aa2ace (diff) | |
download | gmp-99efd09a4224a27936f02a9492f2886fa5df5e8b.tar.gz |
* tests/rand/t-iset.c: New file.
Diffstat (limited to 'tests/rand')
-rw-r--r-- | tests/rand/t-iset.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/rand/t-iset.c b/tests/rand/t-iset.c new file mode 100644 index 000000000..1afc59343 --- /dev/null +++ b/tests/rand/t-iset.c @@ -0,0 +1,69 @@ +/* Test gmp_randinit_set. + +Copyright 2003 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 2.1 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; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.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); +} |