t-urmui.c
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上传日期:2022-08-06
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- /* Test gmp_urandomm_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 limit requested. */
- void
- check_one (const char *name, gmp_randstate_ptr rstate)
- {
- static const unsigned long n_table[] = {
- 1, 2, 3, 4, 5, 6, 7, 8,
- 123, 456, 789,
- 255, 256, 257,
- 1023, 1024, 1025,
- 32767, 32768, 32769,
- ULONG_MAX/2-2, ULONG_MAX/2-1, ULONG_MAX/2, ULONG_MAX/2+1, ULONG_MAX/2+2,
- ULONG_MAX-2, ULONG_MAX-1, ULONG_MAX,
- };
- unsigned long got, n;
- int i, j;
- for (i = 0; i < numberof (n_table); i++)
- {
- n = n_table[i];
- for (j = 0; j < 5; j++)
- {
- got = gmp_urandomm_ui (rstate, n);
- if (got >= n)
- {
- printf ("Return value out of range:n");
- printf (" algorithm: %sn", name);
- printf (" n: %#lxn", n);
- printf (" got: %#lxn", got);
- abort ();
- }
- }
- }
- }
- int
- main (int argc, char *argv[])
- {
- tests_start ();
- call_rand_algs (check_one);
- tests_end ();
- exit (0);
- }