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

78 lines
2.1 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) 2011 Fredrik Johansson
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
int main(void)
{
mp_limb_t n;
int base, size1, size2;
slong rep;
mpz_t t;
char * str;
FLINT_TEST_INIT(state);
flint_printf("sizeinbase....");
fflush(stdout);
mpz_init(t);
str = flint_malloc((FLINT_BITS + 1) * sizeof(char));
for (rep = 0; rep < 1000 * flint_test_multiplier(); rep++)
{
n = n_randtest(state);
base = 2 + n_randint(state, 34);
size1 = n_sizeinbase(n, base);
flint_mpz_set_ui(t, n);
mpz_get_str(str, base, t);
size2 = strlen(str);
if (size1 != size2)
{
flint_printf("FAIL: n = %wu, base = %d\n", n, base);
flint_printf("n_sizeinbase: %d, strlen: %d\n", size1, size2);
abort();
}
}
flint_free(str);
mpz_clear(t);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}