52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* Test of libgmp or its mini-mpq substitute.
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Copyright (C) 2024-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include <gmp.h>
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#include <limits.h>
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#include <string.h>
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#include "macros.h"
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int
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main ()
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{
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/* A simple sanity check that 2/3 + 2/3 = 4/3. */
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static mp_limb_t const twobody[] = { 2 };
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static mp_limb_t const threebody[] = { 3 };
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static mpz_t const two = MPZ_ROINIT_N ((mp_limb_t *) twobody, 1);
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static mpz_t const three = MPZ_ROINIT_N ((mp_limb_t *) threebody, 1);
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ASSERT (mpz_fits_slong_p (two));
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ASSERT (mpz_get_si (two) == 2);
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ASSERT (mpz_fits_slong_p (three));
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ASSERT (mpz_get_si (three) == 3);
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mpq_t q;
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mpq_init (q);
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mpz_set (mpq_numref (q), two);
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mpz_set (mpq_denref (q), three);
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mpq_add (q, q, q);
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ASSERT (mpz_fits_slong_p (mpq_numref (q)));
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ASSERT (mpz_get_si (mpq_numref (q)) == 4);
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ASSERT (mpz_fits_slong_p (mpq_denref (q)));
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ASSERT (mpz_get_si (mpq_denref (q)) == 3);
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mpq_clear (q);
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return test_exit_status;
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}
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