pqc/external/flint-2.4.3/fmpz_poly/test/t-get_set_coeff_mpz.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) 2009 William Hart
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_poly.h"
#include "ulong_extras.h"
int
main(void)
{
int i, j, result;
FLINT_TEST_INIT(state);
flint_printf("get/set_coeff_mpz....");
fflush(stdout);
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpz_poly_t a;
fmpz_t x1, x2;
mpz_t y1, y2;
slong coeff, len;
fmpz_poly_init(a);
fmpz_init(x1);
fmpz_init(x2);
mpz_init(y1);
mpz_init(y2);
len = n_randint(state, 100) + 1;
for (j = 0; j < 1000; j++)
{
fmpz_randtest(x1, state, 200);
fmpz_get_mpz(y1, x1);
coeff = n_randint(state, len);
fmpz_poly_set_coeff_mpz(a, coeff, y1);
fmpz_poly_get_coeff_mpz(y2, a, coeff);
fmpz_set_mpz(x2, y2);
result = (fmpz_equal(x1, x2));
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("x1 = "), fmpz_print(x1), flint_printf("\n");
flint_printf("x2 = "), fmpz_print(x2), flint_printf("\n");
flint_printf("coeff = %wd, length = %wd\n", coeff, len);
abort();
}
}
fmpz_clear(x1);
fmpz_clear(x2);
mpz_clear(y1);
mpz_clear(y2);
fmpz_poly_clear(a);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}