103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT 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 2 of the License, or
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(at your option) any later version.
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FLINT 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 FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2010 Sebastian Pancratz
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Copyright (C) 2009 William Hart
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpq_poly.h"
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#include "ulong_extras.h"
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int
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main(void)
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{
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int i, j, result;
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ulong cflags = UWORD(0);
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mpq_t n1, n2;
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FLINT_TEST_INIT(state);
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flint_printf("get/set_coeff_mpq....");
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fflush(stdout);
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mpq_init(n1);
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mpq_init(n2);
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for (i = 0; i < 50 * flint_test_multiplier(); i++)
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{
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fmpq_poly_t a;
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fmpz_t xnum, xden;
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slong coeff, len;
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fmpq_poly_init(a);
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fmpz_init(xnum);
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fmpz_init(xden);
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len = (slong) (n_randint(state, 100) + 1);
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for (j = 0; j < 50; j++)
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{
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fmpz_randtest(xnum, state, 200);
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fmpz_randtest_not_zero(xden, state, 200);
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fmpz_get_mpz(mpq_numref(n1), xnum);
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fmpz_get_mpz(mpq_denref(n1), xden);
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mpq_canonicalize(n1);
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coeff = (slong) n_randint(state, len);
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fmpq_poly_set_coeff_mpq(a, coeff, n1);
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fmpq_poly_get_coeff_mpq(n2, a, coeff);
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cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
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result = (mpq_equal(n1, n2) && !cflags);
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if (!result)
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{
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flint_printf("FAIL:\n\n");
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flint_printf("a = "), fmpq_poly_debug(a), flint_printf("\n\n");
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flint_printf("coeff = %wd\n\n", coeff);
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flint_printf("len = %wd\n\n", len);
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flint_printf("cflags = %wu\n\n", cflags);
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gmp_printf("n1 = %Qd\n\n", n1);
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gmp_printf("n2 = %Qd\n\n", n2);
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abort();
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}
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}
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fmpz_clear(xnum);
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fmpz_clear(xden);
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fmpq_poly_clear(a);
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}
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mpq_clear(n1);
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mpq_clear(n2);
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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