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/*
Copyright 2012, 2013 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 http://www.gnu.org/licenses/. */
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include "testutils.h"
#define MAXBITS 400
#define COUNT 10000
static void
dump (const char *label, const mpz_t x)
{
char *buf = mpz_get_str (NULL, 16, x);
fprintf (stderr, "%s: %s\n", label, buf);
free (buf);
}
void
testlogops (int count)
{
unsigned i;
mpz_t a, b, res, ref;
mp_bitcnt_t c;
mpz_init (a);
mpz_init (b);
mpz_init (res);
mpz_init (ref);
for (i = 0; i < count; i++)
{
mini_random_op3 (OP_AND, MAXBITS, a, b, ref);
mpz_and (res, a, b);
if (mpz_cmp (res, ref))
{
fprintf (stderr, "mpz_and failed:\n");
dump ("a", a);
dump ("b", b);
dump ("r", res);
dump ("ref", ref);
abort ();
}
mini_random_op3 (OP_IOR, MAXBITS, a, b, ref);
mpz_ior (res, a, b);
if (mpz_cmp (res, ref))
{
fprintf (stderr, "mpz_ior failed:\n");
dump ("a", a);
dump ("b", b);
dump ("r", res);
dump ("ref", ref);
abort ();
}
mini_random_op3 (OP_XOR, MAXBITS, a, b, ref);
mpz_xor (res, a, b);
if (mpz_cmp (res, ref))
{
fprintf (stderr, "mpz_xor failed:\n");
dump ("a", a);
dump ("b", b);
dump ("r", res);
dump ("ref", ref);
abort ();
}
if (i % 8) {
c = 0;
mpz_mul_2exp (res, res, i % 8);
} else if (mpz_sgn (res) >= 0) {
c = mpz_odd_p (res) != 0;
mpz_tdiv_q_2exp (res, res, 1);
} else {
c = (~ (mp_bitcnt_t) 0) - 3;
mpz_set_ui (res, 11 << ((i >> 3)%4)); /* set 3 bits */
}
if (mpz_popcount (res) + c != mpz_hamdist (a, b))
{
fprintf (stderr, "mpz_popcount(r) + %lu and mpz_hamdist(a,b) differ:\n", c);
dump ("a", a);
dump ("b", b);
dump ("r", res);
fprintf (stderr, "mpz_popcount(r) = %lu:\n", mpz_popcount (res));
fprintf (stderr, "mpz_hamdist(a,b) = %lu:\n", mpz_hamdist (a, b));
abort ();
}
}
mpz_clear (a);
mpz_clear (b);
mpz_clear (res);
mpz_clear (ref);
}
void
testmain (int argc, char **argv)
{
testhalves (COUNT*2/3, testlogops);
testlogops (COUNT/3);
}
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