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

101 lines
2.8 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) 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, result;
FLINT_TEST_INIT(state);
flint_printf("scalar_divexact_mpz....");
fflush(stdout);
/* Compare with fmpz_poly_scalar_divexact_fmpz */
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpz_poly_t a, b, c;
fmpz_t n;
mpz_t n1;
fmpz_init(n);
mpz_init(n1);
do {
fmpz_randtest(n, state, 200);
} while (fmpz_is_zero(n));
fmpz_get_mpz(n1, n);
fmpz_poly_init(a);
fmpz_poly_init(b);
fmpz_poly_init(c);
fmpz_poly_randtest(a, state, n_randint(state, 100), 200);
fmpz_poly_scalar_mul_fmpz(a, a, n);
fmpz_poly_scalar_divexact_fmpz(b, a, n);
fmpz_poly_scalar_divexact_mpz(c, a, n1);
result = (fmpz_poly_equal(b, c));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_poly_print(a), flint_printf("\n\n");
fmpz_poly_print(b), flint_printf("\n\n");
fmpz_poly_print(c), flint_printf("\n\n");
abort();
}
/* aliasing */
fmpz_poly_scalar_divexact_mpz(a, a, n1);
result = (fmpz_poly_equal(a, c));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_poly_print(a), flint_printf("\n\n");
fmpz_poly_print(c), flint_printf("\n\n");
abort();
}
mpz_clear(n1);
fmpz_clear(n);
fmpz_poly_clear(a);
fmpz_poly_clear(b);
fmpz_poly_clear(c);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}