pqc/external/flint-2.4.3/fmpz/test/t-val2.c

86 lines
2.1 KiB
C
Raw Normal View History

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
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#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("val2....");
fflush(stdout);
for (i = 0; i < 10000 * flint_test_multiplier(); i++)
{
fmpz_t x;
slong v1, v2;
fmpz_init(x);
/* Test special case */
if (n_randint(state, 1000) == 0)
{
fmpz_zero(x);
v1 = 0;
}
else
{
do {
fmpz_randtest(x, state, 1000);
} while (fmpz_is_even(x));
v1 = n_randint(state, 1000);
fmpz_mul_2exp(x, x, v1);
}
v2 = fmpz_val2(x);
result = ((v1 == v2) == 1);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("v1 = %wd v2 = %wd\n", v1, v2);
abort();
}
fmpz_clear(x);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}