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

109 lines
3.0 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 "fmpz_poly.h"
#include "ulong_extras.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("pow_binexp....");
fflush(stdout);
/* Check aliasing of a and b */
for (i = 0; i < 200 * flint_test_multiplier(); i++)
{
fmpz_poly_t a, b;
ulong exp;
fmpz_poly_init(a);
fmpz_poly_init(b);
fmpz_poly_randtest(b, state, n_randint(state, 10), 100);
exp = n_randtest(state) % UWORD(20);
fmpz_poly_pow_binexp(a, b, exp);
fmpz_poly_pow_binexp(b, b, exp);
result = (fmpz_poly_equal(a, b));
if (!result)
{
flint_printf("FAIL(1):\n");
flint_printf("exp = %wu\n", exp);
flint_printf("a = "), fmpz_poly_print(a), flint_printf("\n\n");
flint_printf("b = "), fmpz_poly_print(b), flint_printf("\n\n");
abort();
}
fmpz_poly_clear(a);
fmpz_poly_clear(b);
}
/* Compare with fmpz_poly_pow */
for (i = 0; i < 200 * flint_test_multiplier(); i++)
{
fmpz_poly_t a, b;
ulong exp;
fmpz_poly_init(a);
fmpz_poly_init(b);
fmpz_poly_randtest(b, state, n_randint(state, 10), 100);
exp = n_randtest(state) % UWORD(20);
fmpz_poly_pow_binexp(a, b, exp);
fmpz_poly_pow(b, b, exp);
result = (fmpz_poly_equal(a, b));
if (!result)
{
flint_printf("FAIL(2):\n");
flint_printf("exp = %wu\n", exp);
flint_printf("a = "), fmpz_poly_print(a), flint_printf("\n\n");
flint_printf("b = "), fmpz_poly_print(b), flint_printf("\n\n");
abort();
}
fmpz_poly_clear(a);
fmpz_poly_clear(b);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}