t-oddeven.c
上传用户:qaz666999
上传日期:2022-08-06
资源大小:2570k
文件大小:2k
- /* Test mpz_odd_p and mpz_even_p.
- Copyright 2000, 2001 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"
- void
- check_data (void)
- {
- static const struct {
- const char *n;
- int odd, even;
- } data[] = {
- { "0", 0, 1 },
- { "1", 1, 0 },
- { "2", 0, 1 },
- { "3", 1, 0 },
- { "4", 0, 1 },
- { "-4", 0, 1 },
- { "-3", 1, 0 },
- { "-2", 0, 1 },
- { "-1", 1, 0 },
- { "0x1000000000000000000000000000000000000000000000000000", 0, 1 },
- { "0x1000000000000000000000000000000000000000000000000001", 1, 0 },
- { "0x1000000000000000000000000000000000000000000000000002", 0, 1 },
- { "0x1000000000000000000000000000000000000000000000000003", 1, 0 },
- { "-0x1000000000000000000000000000000000000000000000000004", 0, 1 },
- { "-0x1000000000000000000000000000000000000000000000000003", 1, 0 },
- { "-0x1000000000000000000000000000000000000000000000000002", 0, 1 },
- { "-0x1000000000000000000000000000000000000000000000000001", 1, 0 },
- };
- mpz_t n;
- int i;
- mpz_init (n);
- for (i = 0; i < numberof (data); i++)
- {
- mpz_set_str_or_abort (n, data[i].n, 0);
- if ((mpz_odd_p (n) != 0) != data[i].odd)
- {
- printf ("mpz_odd_p wrong on data[%d]n", i);
- abort();
- }
- if ((mpz_even_p (n) != 0) != data[i].even)
- {
- printf ("mpz_even_p wrong on data[%d]n", i);
- abort();
- }
- }
- mpz_clear (n);
- }
- int
- main (void)
- {
- tests_start ();
- check_data ();
- tests_end ();
- exit (0);
- }