pqc/external/flint-2.4.3/fmpz_vec/test/t-prod.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, 2010 William Hart
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#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("prod....");
fflush(stdout);
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpz *a, *b;
fmpz_t x, y, z;
slong len1 = n_randint(state, 100);
slong len2 = n_randint(state, 100);
a = _fmpz_vec_init(len1 + len2);
b = a + len1;
_fmpz_vec_randtest(a, state, len1 + len2, 200);
fmpz_init(x);
fmpz_init(y);
fmpz_init(z);
_fmpz_vec_prod(x, a, len1);
_fmpz_vec_prod(y, b, len2);
fmpz_mul(x, x, y);
_fmpz_vec_prod(z, a, len1 + len2);
result = (fmpz_equal(x, z));
if (!result)
{
flint_printf("FAIL:\n");
_fmpz_vec_print(a, len1), flint_printf("\n\n");
_fmpz_vec_print(b, len2), flint_printf("\n\n");
abort();
}
_fmpz_vec_clear(a, len1 + len2);
fmpz_clear(x);
fmpz_clear(y);
fmpz_clear(z);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}