/* Test mpz_odd_p and mpz_even_p. Copyright 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU MP Library test suite. The GNU MP Library test suite is free software; you can redistribute it and/or modify it under the terms of the GNU 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 test suite 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 General Public License for more details. You should have received a copy of the GNU General Public License along with the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ #include #include #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); }