pqc/external/flint-2.4.3/fmpq_poly/test/t-get_set_coeff_ui.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
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 "fmpq_poly.h"
#include "ulong_extras.h"
int
main(void)
{
int i, j, result;
ulong cflags = UWORD(0);
ulong n;
mpq_t n_mpq;
FLINT_TEST_INIT(state);
flint_printf("get/set_coeff_ui....");
fflush(stdout);
mpq_init(n_mpq);
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpq_poly_t a;
slong coeff, len;
fmpq_poly_init(a);
len = (slong) (n_randint(state, 100) + 1);
fmpq_poly_randtest(a, state, len, 100);
for (j = 0; j < 1000; j++)
{
n = n_randtest(state);
coeff = n_randint(state, len);
fmpq_poly_set_coeff_ui(a, coeff, n);
fmpq_poly_get_coeff_mpq(n_mpq, a, coeff);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
result = (flint_mpz_cmp_ui(mpq_denref(n_mpq), 1) == 0
&& flint_mpz_cmp_ui(mpq_numref(n_mpq), n) == 0
&& !cflags);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("a = "), fmpq_poly_debug(a), flint_printf("\n");
flint_printf("len = %wd\n", len);
flint_printf("coeff = %wd\n", coeff);
flint_printf("cflags = %wu\n", cflags);
flint_printf("n = %wu\n", n);
gmp_printf("n_mpq = %Qd\n", n_mpq);
abort();
}
}
fmpq_poly_clear(a);
}
mpq_clear(n_mpq);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}