ubuntu-buildroot/output/build/host-gmp-6.2.1/mini-gmp/tests/t-lcm.c

74 lines
1.6 KiB
C

/*
Copyright 2012, 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 <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include "testutils.h"
#define MAXBITS 400
#define COUNT 10000
void
testmain (int argc, char **argv)
{
unsigned i;
mpz_t a, b, g, s;
mpz_init (a);
mpz_init (b);
mpz_init (g);
mpz_init (s);
for (i = 0; i < COUNT; i++)
{
mini_random_op3 (OP_LCM, MAXBITS, a, b, s);
mpz_lcm (g, a, b);
if (mpz_cmp (g, s))
{
fprintf (stderr, "mpz_lcm failed:\n");
dump ("a", a);
dump ("b", b);
dump ("r", g);
dump ("ref", s);
abort ();
}
if (mpz_fits_ulong_p (b))
{
mpz_set_si (g, 0);
mpz_lcm_ui (g, a, mpz_get_ui (b));
if (mpz_cmp (g, s))
{
fprintf (stderr, "mpz_lcm_ui failed:\n");
dump ("a", a);
dump ("b", b);
dump ("r", g);
dump ("ref", s);
abort ();
}
}
}
mpz_clear (a);
mpz_clear (b);
mpz_clear (g);
mpz_clear (s);
}