pqc/external/flint-2.4.3/fmpq_poly/test/t-get_set_coeff_mpq.c
2014-05-24 23:16:06 +02:00

103 lines
2.9 KiB
C

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