pqc/external/flint-2.4.3/fmpz_vec/test/t-max_limbs.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
Copyright (C) 2010 Sebastian Pancratz
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_vec.h"
#include "ulong_extras.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("max_limbs....");
fflush(stdout);
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpz *a;
slong len, bits;
mp_size_t limbs, limbs2;
len = n_randint(state, 100);
a = _fmpz_vec_init(len);
bits = n_randint(state, 200);
limbs = (bits + FLINT_BITS - 1) / FLINT_BITS;
_fmpz_vec_randtest(a, state, len, bits);
limbs2 = _fmpz_vec_max_limbs(a, len);
result = (limbs >= limbs2);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("bits = %wd\n", bits);
flint_printf("limbs = %wd\n", limbs);
flint_printf("a = {"), _fmpz_vec_print(a, len), flint_printf("}\n");
flint_printf("limbs2 = %wd\n", limbs2);
abort();
}
_fmpz_vec_clear(a, len);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}