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80 lines
1.8 KiB
C
80 lines
1.8 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 http://www.gnu.org/licenses/. */
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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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static void
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dump (const char *label, const mpz_t x)
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{
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char *buf = mpz_get_str (NULL, 16, x);
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fprintf (stderr, "%s: %s\n", label, buf);
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free (buf);
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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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unsigned i;
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mpz_t a, b, res, res_ui, ref;
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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 (res_ui);
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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_SUB, MAXBITS, a, b, ref);
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mpz_sub (res, a, b);
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if (mpz_cmp (res, ref))
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{
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fprintf (stderr, "mpz_sub 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 (mpz_fits_ulong_p (a)) {
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mpz_ui_sub (res_ui, mpz_get_ui (a), b);
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if (mpz_cmp (res_ui, ref))
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{
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fprintf (stderr, "mpz_ui_sub failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r", res_ui);
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dump ("ref", ref);
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abort ();
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}
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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 (res_ui);
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mpz_clear (ref);
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}
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