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

80 lines
2.0 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) 2009 William Hart
Copyright (C) 2012 Sebastian Pancratz
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
#include "fmpz.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("tstbit....");
fflush(stdout);
for (i = 0; i < 10000 * flint_test_multiplier(); i++)
{
int k, l;
ulong j;
fmpz_t a;
mpz_t b;
fmpz_init(a);
mpz_init(b);
fmpz_randtest(a, state, 2 * FLINT_BITS);
fmpz_get_mpz(b, a);
j = n_randint(state, 3 * FLINT_BITS);
k = fmpz_tstbit(a, j);
l = mpz_tstbit(b, j);
result = (k == l);
if (!result)
{
flint_printf("FAIL:\n");
gmp_printf("b = %Zd, j = %wu k = %d, l = %d\n", b, j, k, l);
abort();
}
fmpz_clear(a);
mpz_clear(b);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}