mirror of
https://review.haiku-os.org/buildtools
synced 2025-02-15 02:07:42 +01:00
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/* Test mpn_gcd_22.
|
|
|
|
Copyright 2019 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "gmp-impl.h"
|
|
#include "tests.h"
|
|
|
|
#ifndef COUNT
|
|
#define COUNT 150000
|
|
#endif
|
|
|
|
static void
|
|
one_test (mpz_srcptr a, mpz_srcptr b, mpz_srcptr ref)
|
|
{
|
|
mp_double_limb_t r = mpn_gcd_22 (mpz_getlimbn (a, 1), mpz_getlimbn (a, 0),
|
|
mpz_getlimbn (b, 1), mpz_getlimbn (b, 0));
|
|
if (r.d0 != mpz_getlimbn (ref, 0) || r.d1 != mpz_getlimbn (ref, 1))
|
|
{
|
|
gmp_fprintf (stderr,
|
|
"gcd_22 (0x%Zx, 0x%Zx) failed, got: g1 = 0x%Mx g0 = %Mx, ref: 0x%Zx\n",
|
|
a, b, r.d1, r.d0, ref);
|
|
abort();
|
|
}
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
mpz_t a, b, ref;
|
|
int count = COUNT;
|
|
int test;
|
|
gmp_randstate_ptr rands;
|
|
|
|
TESTS_REPS (count, argv, argc);
|
|
|
|
tests_start ();
|
|
rands = RANDS;
|
|
|
|
mpz_init (a);
|
|
mpz_init (b);
|
|
mpz_init (ref);
|
|
for (test = 0; test < count; test++)
|
|
{
|
|
mp_bitcnt_t asize = 1 + gmp_urandomm_ui(rands, 2*GMP_NUMB_BITS);
|
|
mp_bitcnt_t bsize = 1 + gmp_urandomm_ui(rands, 2*GMP_NUMB_BITS);
|
|
if (test & 1)
|
|
{
|
|
mpz_urandomb (a, rands, asize);
|
|
mpz_urandomb (b, rands, bsize);
|
|
}
|
|
else
|
|
{
|
|
mpz_rrandomb (a, rands, asize);
|
|
mpz_rrandomb (b, rands, bsize);
|
|
}
|
|
|
|
mpz_setbit (a, 0);
|
|
mpz_setbit (b, 0);
|
|
refmpz_gcd (ref, a, b);
|
|
one_test (a, b, ref);
|
|
}
|
|
|
|
mpz_clear (a);
|
|
mpz_clear (b);
|
|
mpz_clear (ref);
|
|
|
|
tests_end ();
|
|
return 0;
|
|
}
|