t-urbui.c
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上传日期:2022-08-06
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- /* Test gmp_urandomb_ui.
- Copyright 2003, 2005 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 <stdlib.h>
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- /* Expect numbers generated by rstate to obey the number of bits requested.
- No point testing bits==BITS_PER_ULONG, since any return is acceptable in
- that case. */
- void
- check_one (const char *name, gmp_randstate_ptr rstate)
- {
- unsigned long bits, limit, got;
- int i;
- for (bits = 0; bits < BITS_PER_ULONG; bits++)
- {
- /* will demand got < limit */
- limit = (1L << bits);
- for (i = 0; i < 5; i++)
- {
- got = gmp_urandomb_ui (rstate, bits);
- if (got >= limit)
- {
- printf ("Return value out of range:n");
- printf (" algorithm: %sn", name);
- printf (" bits: %lun", bits);
- printf (" limit: %#lxn", limit);
- printf (" got: %#lxn", got);
- abort ();
- }
- }
- }
- }
- int
- main (int argc, char *argv[])
- {
- tests_start ();
- call_rand_algs (check_one);
- tests_end ();
- exit (0);
- }