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/* Test of libgmp or its mini-gmp substitute.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This program 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.
This program 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 this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <gmp.h>
#include <limits.h>
#include <string.h>
#include "verify.h"
#include "macros.h"
#ifndef MINI_GMP_LIMB_TYPE
/* Verify that the gmp.h header file was generated for the same
machine word size as we are using. */
verify (GMP_NUMB_BITS == sizeof (mp_limb_t) * CHAR_BIT);
#endif
int
main ()
{
#ifndef MINI_GMP_LIMB_TYPE
/* Verify that the gmp.h header file and the libgmp library come from
the same GMP version. */
{
char gmp_header_version[32];
sprintf (gmp_header_version, "%d.%d.%d", __GNU_MP_VERSION,
__GNU_MP_VERSION_MINOR, __GNU_MP_VERSION_PATCHLEVEL);
if (strcmp (gmp_version, gmp_header_version) != 0)
{
char gmp_header_version2[32];
if (__GNU_MP_VERSION_PATCHLEVEL > 0
|| (sprintf (gmp_header_version2, "%d.%d", __GNU_MP_VERSION,
__GNU_MP_VERSION_MINOR),
strcmp (gmp_version, gmp_header_version2) != 0))
{
fprintf (stderr,
"gmp header version (%s) does not match gmp library version (%s).\n",
gmp_header_version, gmp_version);
exit (1);
}
}
}
#endif
/* A simple sanity check that 2 + 2 = 4. */
static mp_limb_t const twobody[] = { 2 };
static mpz_t const two = MPZ_ROINIT_N ((mp_limb_t *) twobody, 1);
ASSERT (mpz_fits_slong_p (two));
ASSERT (mpz_get_si (two) == 2);
mpz_t four;
mpz_init (four);
mpz_add (four, two, two);
ASSERT (mpz_fits_slong_p (four));
ASSERT (mpz_get_si (four) == 4);
mpz_clear (four);
return 0;
}
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