113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
/*
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Copyright 2012, 2013 Free Software Foundation, Inc.
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This file is part of the GNU MP Library test suite.
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The GNU MP Library test suite is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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The GNU MP Library test suite is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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You should have received a copy of the GNU General Public License along with
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the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
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#include <limits.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "testutils.h"
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#define MAXBITS 400
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#define COUNT 10000
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void
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testlogops (int count)
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{
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int i;
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mpz_t a, b, res, ref;
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mp_bitcnt_t c;
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mpz_init (a);
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mpz_init (b);
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mpz_init (res);
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mpz_init (ref);
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for (i = 0; i < count; i++)
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{
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mini_random_op3 (OP_AND, MAXBITS, a, b, ref);
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mpz_and (res, a, b);
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if (mpz_cmp (res, ref))
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{
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fprintf (stderr, "mpz_and failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r", res);
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dump ("ref", ref);
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abort ();
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}
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mini_random_op3 (OP_IOR, MAXBITS, a, b, ref);
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mpz_ior (res, a, b);
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if (mpz_cmp (res, ref))
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{
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fprintf (stderr, "mpz_ior failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r", res);
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dump ("ref", ref);
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abort ();
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}
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mini_random_op3 (OP_XOR, MAXBITS, a, b, ref);
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mpz_xor (res, a, b);
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if (mpz_cmp (res, ref))
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{
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fprintf (stderr, "mpz_xor failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r", res);
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dump ("ref", ref);
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abort ();
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}
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if (i % 8) {
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c = 0;
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mpz_mul_2exp (res, res, i % 8);
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} else if (mpz_sgn (res) >= 0) {
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c = mpz_odd_p (res) != 0;
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mpz_tdiv_q_2exp (res, res, 1);
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} else {
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c = (~ (mp_bitcnt_t) 0) - 3;
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mpz_set_ui (res, 11 << ((i >> 3)%4)); /* set 3 bits */
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}
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if (mpz_popcount (res) + c != mpz_hamdist (a, b))
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{
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fprintf (stderr, "mpz_popcount(r) + %lu and mpz_hamdist(a,b) differ:\n", c);
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dump ("a", a);
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dump ("b", b);
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dump ("r", res);
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fprintf (stderr, "mpz_popcount(r) = %lu:\n", mpz_popcount (res));
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fprintf (stderr, "mpz_hamdist(a,b) = %lu:\n", mpz_hamdist (a, b));
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abort ();
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}
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}
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mpz_clear (a);
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mpz_clear (b);
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mpz_clear (res);
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mpz_clear (ref);
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}
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void
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testmain (int argc, char **argv)
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{
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testhalves (COUNT*2/3, testlogops);
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testlogops (COUNT/3);
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}
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